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6308 lines
168 KiB
6308 lines
168 KiB
//========================================================================
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//
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// PSOutputDev.cc
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//
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// Copyright 1996-2003 Glyph & Cog, LLC
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//
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//========================================================================
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#include <aconf.h>
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#include <locale.h>
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#ifdef USE_GCC_PRAGMAS
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#pragma implementation
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#endif
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#include <stdio.h>
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#include <stddef.h>
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#include <stdarg.h>
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#include <signal.h>
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#include <math.h>
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#include "GString.h"
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#include "GList.h"
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#include "config.h"
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#include "GlobalParams.h"
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#include "Object.h"
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#include "Error.h"
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#include "Function.h"
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#include "Gfx.h"
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#include "GfxState.h"
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#include "GfxFont.h"
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#include "UnicodeMap.h"
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#include "FoFiType1C.h"
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#include "FoFiTrueType.h"
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#include "Catalog.h"
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#include "Page.h"
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#include "Stream.h"
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#include "Annot.h"
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#include "XRef.h"
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#include "PreScanOutputDev.h"
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#if HAVE_SPLASH
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# include "Splash.h"
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# include "SplashBitmap.h"
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# include "SplashOutputDev.h"
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#endif
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#include "PSOutputDev.h"
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#ifdef MACOS
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// needed for setting type/creator of MacOS files
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#include "ICSupport.h"
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#endif
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// the MSVC math.h doesn't define this
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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//------------------------------------------------------------------------
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// Resolution at which pages with transparency will be rasterized.
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#define splashDPI 300
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//------------------------------------------------------------------------
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// PostScript prolog and setup
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//------------------------------------------------------------------------
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// The '~' escapes mark prolog code that is emitted only in certain
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// levels:
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//
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// ~[123][sn]
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// ^ ^----- s=psLevel*Sep, n=psLevel*
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// +----- 1=psLevel1*, 2=psLevel2*, 3=psLevel3*
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static char *prolog[] = {
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"/xpdf 75 dict def xpdf begin",
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"% PDF special state",
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"/pdfDictSize 15 def",
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"~1sn",
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"/pdfStates 64 array def",
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" 0 1 63 {",
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" pdfStates exch pdfDictSize dict",
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" dup /pdfStateIdx 3 index put",
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" put",
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" } for",
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"~123sn",
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"/pdfSetup {",
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" 3 1 roll 2 array astore",
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" /setpagedevice where {",
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" pop 3 dict begin",
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" /PageSize exch def",
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" /ImagingBBox null def",
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" /Policies 1 dict dup begin /PageSize 3 def end def",
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" { /Duplex true def } if",
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" currentdict end setpagedevice",
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" } {",
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" pop pop",
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" } ifelse",
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"} def",
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"~1sn",
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"/pdfOpNames [",
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" /pdfFill /pdfStroke /pdfLastFill /pdfLastStroke",
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" /pdfTextMat /pdfFontSize /pdfCharSpacing /pdfTextRender",
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" /pdfTextRise /pdfWordSpacing /pdfHorizScaling /pdfTextClipPath",
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"] def",
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"~123sn",
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"/pdfStartPage {",
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"~1sn",
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" pdfStates 0 get begin",
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"~23sn",
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" pdfDictSize dict begin",
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"~23n",
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" /pdfFillCS [] def",
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" /pdfFillXform {} def",
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" /pdfStrokeCS [] def",
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" /pdfStrokeXform {} def",
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"~1n",
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" /pdfFill 0 def",
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" /pdfStroke 0 def",
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"~1s",
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" /pdfFill [0 0 0 1] def",
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" /pdfStroke [0 0 0 1] def",
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"~23sn",
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" /pdfFill [0] def",
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" /pdfStroke [0] def",
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" /pdfFillOP false def",
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" /pdfStrokeOP false def",
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"~123sn",
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" /pdfLastFill false def",
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" /pdfLastStroke false def",
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" /pdfTextMat [1 0 0 1 0 0] def",
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" /pdfFontSize 0 def",
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" /pdfCharSpacing 0 def",
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" /pdfTextRender 0 def",
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" /pdfTextRise 0 def",
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" /pdfWordSpacing 0 def",
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" /pdfHorizScaling 1 def",
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" /pdfTextClipPath [] def",
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"} def",
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"/pdfEndPage { end } def",
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"~23s",
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"% separation convention operators",
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"/findcmykcustomcolor where {",
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" pop",
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"}{",
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" /findcmykcustomcolor { 5 array astore } def",
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"} ifelse",
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"/setcustomcolor where {",
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" pop",
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"}{",
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" /setcustomcolor {",
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" exch",
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" [ exch /Separation exch dup 4 get exch /DeviceCMYK exch",
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" 0 4 getinterval cvx",
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" [ exch /dup load exch { mul exch dup } /forall load",
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" /pop load dup ] cvx",
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" ] setcolorspace setcolor",
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" } def",
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"} ifelse",
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"/customcolorimage where {",
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" pop",
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"}{",
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" /customcolorimage {",
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" gsave",
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" [ exch /Separation exch dup 4 get exch /DeviceCMYK exch",
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" 0 4 getinterval",
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" [ exch /dup load exch { mul exch dup } /forall load",
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" /pop load dup ] cvx",
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" ] setcolorspace",
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" 10 dict begin",
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" /ImageType 1 def",
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" /DataSource exch def",
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" /ImageMatrix exch def",
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" /BitsPerComponent exch def",
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" /Height exch def",
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" /Width exch def",
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" /Decode [1 0] def",
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" currentdict end",
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" image",
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" grestore",
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" } def",
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"} ifelse",
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"~123sn",
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"% PDF color state",
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"~1n",
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"/g { dup /pdfFill exch def setgray",
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" /pdfLastFill true def /pdfLastStroke false def } def",
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"/G { dup /pdfStroke exch def setgray",
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" /pdfLastStroke true def /pdfLastFill false def } def",
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"/fCol {",
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" pdfLastFill not {",
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" pdfFill setgray",
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" /pdfLastFill true def /pdfLastStroke false def",
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" } if",
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"} def",
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"/sCol {",
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" pdfLastStroke not {",
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" pdfStroke setgray",
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" /pdfLastStroke true def /pdfLastFill false def",
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" } if",
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"} def",
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"~1s",
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"/k { 4 copy 4 array astore /pdfFill exch def setcmykcolor",
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" /pdfLastFill true def /pdfLastStroke false def } def",
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"/K { 4 copy 4 array astore /pdfStroke exch def setcmykcolor",
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" /pdfLastStroke true def /pdfLastFill false def } def",
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"/fCol {",
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" pdfLastFill not {",
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" pdfFill aload pop setcmykcolor",
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" /pdfLastFill true def /pdfLastStroke false def",
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" } if",
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"} def",
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"/sCol {",
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" pdfLastStroke not {",
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" pdfStroke aload pop setcmykcolor",
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" /pdfLastStroke true def /pdfLastFill false def",
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" } if",
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"} def",
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"~23n",
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"/cs { /pdfFillXform exch def dup /pdfFillCS exch def",
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" setcolorspace } def",
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"/CS { /pdfStrokeXform exch def dup /pdfStrokeCS exch def",
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" setcolorspace } def",
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"/sc { pdfLastFill not { pdfFillCS setcolorspace } if",
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" dup /pdfFill exch def aload pop pdfFillXform setcolor",
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" /pdfLastFill true def /pdfLastStroke false def } def",
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"/SC { pdfLastStroke not { pdfStrokeCS setcolorspace } if",
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" dup /pdfStroke exch def aload pop pdfStrokeXform setcolor",
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" /pdfLastStroke true def /pdfLastFill false def } def",
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"/op { /pdfFillOP exch def",
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" pdfLastFill { pdfFillOP setoverprint } if } def",
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"/OP { /pdfStrokeOP exch def",
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" pdfLastStroke { pdfStrokeOP setoverprint } if } def",
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"/fCol {",
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" pdfLastFill not {",
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" pdfFillCS setcolorspace",
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" pdfFill aload pop pdfFillXform setcolor",
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" pdfFillOP setoverprint",
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" /pdfLastFill true def /pdfLastStroke false def",
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" } if",
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"} def",
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"/sCol {",
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" pdfLastStroke not {",
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" pdfStrokeCS setcolorspace",
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" pdfStroke aload pop pdfStrokeXform setcolor",
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" pdfStrokeOP setoverprint",
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" /pdfLastStroke true def /pdfLastFill false def",
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" } if",
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"} def",
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"~23s",
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"/k { 4 copy 4 array astore /pdfFill exch def setcmykcolor",
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" /pdfLastFill true def /pdfLastStroke false def } def",
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"/K { 4 copy 4 array astore /pdfStroke exch def setcmykcolor",
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" /pdfLastStroke true def /pdfLastFill false def } def",
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"/ck { 6 copy 6 array astore /pdfFill exch def",
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" findcmykcustomcolor exch setcustomcolor",
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" /pdfLastFill true def /pdfLastStroke false def } def",
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"/CK { 6 copy 6 array astore /pdfStroke exch def",
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" findcmykcustomcolor exch setcustomcolor",
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" /pdfLastStroke true def /pdfLastFill false def } def",
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"/op { /pdfFillOP exch def",
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" pdfLastFill { pdfFillOP setoverprint } if } def",
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"/OP { /pdfStrokeOP exch def",
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" pdfLastStroke { pdfStrokeOP setoverprint } if } def",
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"/fCol {",
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" pdfLastFill not {",
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" pdfFill aload length 4 eq {",
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" setcmykcolor",
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" }{",
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" findcmykcustomcolor exch setcustomcolor",
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" } ifelse",
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" pdfFillOP setoverprint",
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" /pdfLastFill true def /pdfLastStroke false def",
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" } if",
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"} def",
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"/sCol {",
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" pdfLastStroke not {",
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" pdfStroke aload length 4 eq {",
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" setcmykcolor",
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" }{",
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" findcmykcustomcolor exch setcustomcolor",
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" } ifelse",
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" pdfStrokeOP setoverprint",
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" /pdfLastStroke true def /pdfLastFill false def",
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" } if",
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"} def",
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"~123sn",
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"% build a font",
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"/pdfMakeFont {",
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" 4 3 roll findfont",
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" 4 2 roll matrix scale makefont",
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" dup length dict begin",
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" { 1 index /FID ne { def } { pop pop } ifelse } forall",
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" /Encoding exch def",
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" currentdict",
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" end",
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" definefont pop",
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"} def",
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"/pdfMakeFont16 {",
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" exch findfont",
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" dup length dict begin",
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" { 1 index /FID ne { def } { pop pop } ifelse } forall",
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" /WMode exch def",
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" currentdict",
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" end",
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" definefont pop",
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"} def",
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"~3sn",
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"/pdfMakeFont16L3 {",
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" 1 index /CIDFont resourcestatus {",
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" pop pop 1 index /CIDFont findresource /CIDFontType known",
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" } {",
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" false",
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" } ifelse",
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" {",
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" 0 eq { /Identity-H } { /Identity-V } ifelse",
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" exch 1 array astore composefont pop",
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" } {",
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" pdfMakeFont16",
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" } ifelse",
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"} def",
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"~123sn",
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"% graphics state operators",
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"~1sn",
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"/q {",
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" gsave",
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" pdfOpNames length 1 sub -1 0 { pdfOpNames exch get load } for",
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" pdfStates pdfStateIdx 1 add get begin",
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" pdfOpNames { exch def } forall",
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"} def",
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"/Q { end grestore } def",
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"~23sn",
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"/q { gsave pdfDictSize dict begin } def",
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"/Q {",
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" end grestore",
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" /pdfLastFill where {",
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" pop",
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" pdfLastFill {",
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" pdfFillOP setoverprint",
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" } {",
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" pdfStrokeOP setoverprint",
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" } ifelse",
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" } if",
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"} def",
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"~123sn",
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"/cm { concat } def",
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"/d { setdash } def",
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"/i { setflat } def",
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"/j { setlinejoin } def",
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"/J { setlinecap } def",
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"/M { setmiterlimit } def",
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"/w { setlinewidth } def",
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"% path segment operators",
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"/m { moveto } def",
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"/l { lineto } def",
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"/c { curveto } def",
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"/re { 4 2 roll moveto 1 index 0 rlineto 0 exch rlineto",
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" neg 0 rlineto closepath } def",
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"/h { closepath } def",
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"% path painting operators",
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"/S { sCol stroke } def",
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"/Sf { fCol stroke } def",
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"/f { fCol fill } def",
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"/f* { fCol eofill } def",
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"% clipping operators",
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"/W { clip newpath } def",
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"/W* { eoclip newpath } def",
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"/Ws { strokepath clip newpath } def",
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"% text state operators",
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"/Tc { /pdfCharSpacing exch def } def",
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"/Tf { dup /pdfFontSize exch def",
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" dup pdfHorizScaling mul exch matrix scale",
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" pdfTextMat matrix concatmatrix dup 4 0 put dup 5 0 put",
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" exch findfont exch makefont setfont } def",
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"/Tr { /pdfTextRender exch def } def",
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"/Ts { /pdfTextRise exch def } def",
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"/Tw { /pdfWordSpacing exch def } def",
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"/Tz { /pdfHorizScaling exch def } def",
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"% text positioning operators",
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"/Td { pdfTextMat transform moveto } def",
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"/Tm { /pdfTextMat exch def } def",
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"% text string operators",
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"/cshow where {",
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" pop",
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" /cshow2 {",
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" dup {",
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" pop pop",
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" 1 string dup 0 3 index put 3 index exec",
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" } exch cshow",
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" pop pop",
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" } def",
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"}{",
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" /cshow2 {",
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" currentfont /FontType get 0 eq {",
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" 0 2 2 index length 1 sub {",
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" 2 copy get exch 1 add 2 index exch get",
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" 2 copy exch 256 mul add",
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" 2 string dup 0 6 5 roll put dup 1 5 4 roll put",
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" 3 index exec",
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" } for",
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" } {",
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" dup {",
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" 1 string dup 0 3 index put 3 index exec",
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" } forall",
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" } ifelse",
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" pop pop",
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" } def",
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"} ifelse",
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"/awcp {", // awidthcharpath
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" exch {",
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" false charpath",
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" 5 index 5 index rmoveto",
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" 6 index eq { 7 index 7 index rmoveto } if",
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|
" } exch cshow2",
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|
" 6 {pop} repeat",
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|
"} def",
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|
"/Tj {",
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|
" fCol", // because stringwidth has to draw Type 3 chars
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|
" 1 index stringwidth pdfTextMat idtransform pop",
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|
" sub 1 index length dup 0 ne { div } { pop pop 0 } ifelse",
|
|
" pdfWordSpacing pdfHorizScaling mul 0 pdfTextMat dtransform 32",
|
|
" 4 3 roll pdfCharSpacing pdfHorizScaling mul add 0",
|
|
" pdfTextMat dtransform",
|
|
" 6 5 roll Tj1",
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|
"} def",
|
|
"/Tj16 {",
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|
" fCol", // because stringwidth has to draw Type 3 chars
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|
" 2 index stringwidth pdfTextMat idtransform pop",
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|
" sub exch div",
|
|
" pdfWordSpacing pdfHorizScaling mul 0 pdfTextMat dtransform 32",
|
|
" 4 3 roll pdfCharSpacing pdfHorizScaling mul add 0",
|
|
" pdfTextMat dtransform",
|
|
" 6 5 roll Tj1",
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|
"} def",
|
|
"/Tj16V {",
|
|
" fCol", // because stringwidth has to draw Type 3 chars
|
|
" 2 index stringwidth pdfTextMat idtransform exch pop",
|
|
" sub exch div",
|
|
" 0 pdfWordSpacing pdfTextMat dtransform 32",
|
|
" 4 3 roll pdfCharSpacing add 0 exch",
|
|
" pdfTextMat dtransform",
|
|
" 6 5 roll Tj1",
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|
"} def",
|
|
"/Tj1 {",
|
|
" 0 pdfTextRise pdfTextMat dtransform rmoveto",
|
|
" currentpoint 8 2 roll",
|
|
" pdfTextRender 1 and 0 eq {",
|
|
" 6 copy awidthshow",
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|
" } if",
|
|
" pdfTextRender 3 and dup 1 eq exch 2 eq or {",
|
|
" 7 index 7 index moveto",
|
|
" 6 copy",
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|
" currentfont /FontType get 3 eq { fCol } { sCol } ifelse",
|
|
" false awcp currentpoint stroke moveto",
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|
" } if",
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|
" pdfTextRender 4 and 0 ne {",
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|
" 8 6 roll moveto",
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|
" false awcp",
|
|
" /pdfTextClipPath [ pdfTextClipPath aload pop",
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|
" {/moveto cvx}",
|
|
" {/lineto cvx}",
|
|
" {/curveto cvx}",
|
|
" {/closepath cvx}",
|
|
" pathforall ] def",
|
|
" currentpoint newpath moveto",
|
|
" } {",
|
|
" 8 {pop} repeat",
|
|
" } ifelse",
|
|
" 0 pdfTextRise neg pdfTextMat dtransform rmoveto",
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|
"} def",
|
|
"/TJm { pdfFontSize 0.001 mul mul neg 0",
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|
" pdfTextMat dtransform rmoveto } def",
|
|
"/TJmV { pdfFontSize 0.001 mul mul neg 0 exch",
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|
" pdfTextMat dtransform rmoveto } def",
|
|
"/Tclip { pdfTextClipPath cvx exec clip newpath",
|
|
" /pdfTextClipPath [] def } def",
|
|
"~1ns",
|
|
"% Level 1 image operators",
|
|
"~1n",
|
|
"/pdfIm1 {",
|
|
" /pdfImBuf1 4 index string def",
|
|
" { currentfile pdfImBuf1 readhexstring pop } image",
|
|
"} def",
|
|
"~1s",
|
|
"/pdfIm1Sep {",
|
|
" /pdfImBuf1 4 index string def",
|
|
" /pdfImBuf2 4 index string def",
|
|
" /pdfImBuf3 4 index string def",
|
|
" /pdfImBuf4 4 index string def",
|
|
" { currentfile pdfImBuf1 readhexstring pop }",
|
|
" { currentfile pdfImBuf2 readhexstring pop }",
|
|
" { currentfile pdfImBuf3 readhexstring pop }",
|
|
" { currentfile pdfImBuf4 readhexstring pop }",
|
|
" true 4 colorimage",
|
|
"} def",
|
|
"~1ns",
|
|
"/pdfImM1 {",
|
|
" fCol /pdfImBuf1 4 index 7 add 8 idiv string def",
|
|
" { currentfile pdfImBuf1 readhexstring pop } imagemask",
|
|
"} def",
|
|
"/pdfImM1a {",
|
|
" { 2 copy get exch 1 add exch } imagemask",
|
|
" pop pop",
|
|
"} def",
|
|
"~23sn",
|
|
"% Level 2 image operators",
|
|
"/pdfImBuf 100 string def",
|
|
"/pdfIm {",
|
|
" image",
|
|
" { currentfile pdfImBuf readline",
|
|
" not { pop exit } if",
|
|
" (%-EOD-) eq { exit } if } loop",
|
|
"} def",
|
|
"~23s",
|
|
"/pdfImSep {",
|
|
" findcmykcustomcolor exch",
|
|
" dup /Width get /pdfImBuf1 exch string def",
|
|
" dup /Decode get aload pop 1 index sub /pdfImDecodeRange exch def",
|
|
" /pdfImDecodeLow exch def",
|
|
" begin Width Height BitsPerComponent ImageMatrix DataSource end",
|
|
" /pdfImData exch def",
|
|
" { pdfImData pdfImBuf1 readstring pop",
|
|
" 0 1 2 index length 1 sub {",
|
|
" 1 index exch 2 copy get",
|
|
" pdfImDecodeRange mul 255 div pdfImDecodeLow add round cvi",
|
|
" 255 exch sub put",
|
|
" } for }",
|
|
" 6 5 roll customcolorimage",
|
|
" { currentfile pdfImBuf readline",
|
|
" not { pop exit } if",
|
|
" (%-EOD-) eq { exit } if } loop",
|
|
"} def",
|
|
"~23sn",
|
|
"/pdfImM {",
|
|
" fCol imagemask",
|
|
" { currentfile pdfImBuf readline",
|
|
" not { pop exit } if",
|
|
" (%-EOD-) eq { exit } if } loop",
|
|
"} def",
|
|
"/pr { 2 index 2 index 3 2 roll putinterval 4 add } def",
|
|
"/pdfImClip {",
|
|
" gsave",
|
|
" 0 2 4 index length 1 sub {",
|
|
" dup 4 index exch 2 copy",
|
|
" get 5 index div put",
|
|
" 1 add 3 index exch 2 copy",
|
|
" get 3 index div put",
|
|
" } for",
|
|
" pop pop rectclip",
|
|
"} def",
|
|
"/pdfImClipEnd { grestore } def",
|
|
"~23sn",
|
|
"% shading operators",
|
|
"/colordelta {",
|
|
" false 0 1 3 index length 1 sub {",
|
|
" dup 4 index exch get 3 index 3 2 roll get sub abs 0.004 gt {",
|
|
" pop true",
|
|
" } if",
|
|
" } for",
|
|
" exch pop exch pop",
|
|
"} def",
|
|
"/funcCol { func n array astore } def",
|
|
"/funcSH {",
|
|
" dup 0 eq {",
|
|
" true",
|
|
" } {",
|
|
" dup 6 eq {",
|
|
" false",
|
|
" } {",
|
|
" 4 index 4 index funcCol dup",
|
|
" 6 index 4 index funcCol dup",
|
|
" 3 1 roll colordelta 3 1 roll",
|
|
" 5 index 5 index funcCol dup",
|
|
" 3 1 roll colordelta 3 1 roll",
|
|
" 6 index 8 index funcCol dup",
|
|
" 3 1 roll colordelta 3 1 roll",
|
|
" colordelta or or or",
|
|
" } ifelse",
|
|
" } ifelse",
|
|
" {",
|
|
" 1 add",
|
|
" 4 index 3 index add 0.5 mul exch 4 index 3 index add 0.5 mul exch",
|
|
" 6 index 6 index 4 index 4 index 4 index funcSH",
|
|
" 2 index 6 index 6 index 4 index 4 index funcSH",
|
|
" 6 index 2 index 4 index 6 index 4 index funcSH",
|
|
" 5 3 roll 3 2 roll funcSH pop pop",
|
|
" } {",
|
|
" pop 3 index 2 index add 0.5 mul 3 index 2 index add 0.5 mul",
|
|
"~23n",
|
|
" funcCol sc",
|
|
"~23s",
|
|
" funcCol aload pop k",
|
|
"~23sn",
|
|
" dup 4 index exch mat transform m",
|
|
" 3 index 3 index mat transform l",
|
|
" 1 index 3 index mat transform l",
|
|
" mat transform l pop pop h f*",
|
|
" } ifelse",
|
|
"} def",
|
|
"/axialCol {",
|
|
" dup 0 lt {",
|
|
" pop t0",
|
|
" } {",
|
|
" dup 1 gt {",
|
|
" pop t1",
|
|
" } {",
|
|
" dt mul t0 add",
|
|
" } ifelse",
|
|
" } ifelse",
|
|
" func n array astore",
|
|
"} def",
|
|
"/axialSH {",
|
|
" dup 0 eq {",
|
|
" true",
|
|
" } {",
|
|
" dup 8 eq {",
|
|
" false",
|
|
" } {",
|
|
" 2 index axialCol 2 index axialCol colordelta",
|
|
" } ifelse",
|
|
" } ifelse",
|
|
" {",
|
|
" 1 add 3 1 roll 2 copy add 0.5 mul",
|
|
" dup 4 3 roll exch 4 index axialSH",
|
|
" exch 3 2 roll axialSH",
|
|
" } {",
|
|
" pop 2 copy add 0.5 mul",
|
|
"~23n",
|
|
" axialCol sc",
|
|
"~23s",
|
|
" axialCol aload pop k",
|
|
"~23sn",
|
|
" exch dup dx mul x0 add exch dy mul y0 add",
|
|
" 3 2 roll dup dx mul x0 add exch dy mul y0 add",
|
|
" dx abs dy abs ge {",
|
|
" 2 copy yMin sub dy mul dx div add yMin m",
|
|
" yMax sub dy mul dx div add yMax l",
|
|
" 2 copy yMax sub dy mul dx div add yMax l",
|
|
" yMin sub dy mul dx div add yMin l",
|
|
" h f*",
|
|
" } {",
|
|
" exch 2 copy xMin sub dx mul dy div add xMin exch m",
|
|
" xMax sub dx mul dy div add xMax exch l",
|
|
" exch 2 copy xMax sub dx mul dy div add xMax exch l",
|
|
" xMin sub dx mul dy div add xMin exch l",
|
|
" h f*",
|
|
" } ifelse",
|
|
" } ifelse",
|
|
"} def",
|
|
"/radialCol {",
|
|
" dup t0 lt {",
|
|
" pop t0",
|
|
" } {",
|
|
" dup t1 gt {",
|
|
" pop t1",
|
|
" } if",
|
|
" } ifelse",
|
|
" func n array astore",
|
|
"} def",
|
|
"/radialSH {",
|
|
" dup 0 eq {",
|
|
" true",
|
|
" } {",
|
|
" dup 8 eq {",
|
|
" false",
|
|
" } {",
|
|
" 2 index dt mul t0 add radialCol",
|
|
" 2 index dt mul t0 add radialCol colordelta",
|
|
" } ifelse",
|
|
" } ifelse",
|
|
" {",
|
|
" 1 add 3 1 roll 2 copy add 0.5 mul",
|
|
" dup 4 3 roll exch 4 index radialSH",
|
|
" exch 3 2 roll radialSH",
|
|
" } {",
|
|
" pop 2 copy add 0.5 mul dt mul t0 add",
|
|
"~23n",
|
|
" radialCol sc",
|
|
"~23s",
|
|
" radialCol aload pop k",
|
|
"~23sn",
|
|
" encl {",
|
|
" exch dup dx mul x0 add exch dup dy mul y0 add exch dr mul r0 add",
|
|
" 0 360 arc h",
|
|
" dup dx mul x0 add exch dup dy mul y0 add exch dr mul r0 add",
|
|
" 360 0 arcn h f",
|
|
" } {",
|
|
" 2 copy",
|
|
" dup dx mul x0 add exch dup dy mul y0 add exch dr mul r0 add",
|
|
" a1 a2 arcn",
|
|
" dup dx mul x0 add exch dup dy mul y0 add exch dr mul r0 add",
|
|
" a2 a1 arcn h",
|
|
" dup dx mul x0 add exch dup dy mul y0 add exch dr mul r0 add",
|
|
" a1 a2 arc",
|
|
" dup dx mul x0 add exch dup dy mul y0 add exch dr mul r0 add",
|
|
" a2 a1 arc h f",
|
|
" } ifelse",
|
|
" } ifelse",
|
|
"} def",
|
|
"~123sn",
|
|
"end",
|
|
NULL
|
|
};
|
|
|
|
static char *cmapProlog[] = {
|
|
"/CIDInit /ProcSet findresource begin",
|
|
"10 dict begin",
|
|
" begincmap",
|
|
" /CMapType 1 def",
|
|
" /CMapName /Identity-H def",
|
|
" /CIDSystemInfo 3 dict dup begin",
|
|
" /Registry (Adobe) def",
|
|
" /Ordering (Identity) def",
|
|
" /Supplement 0 def",
|
|
" end def",
|
|
" 1 begincodespacerange",
|
|
" <0000> <ffff>",
|
|
" endcodespacerange",
|
|
" 0 usefont",
|
|
" 1 begincidrange",
|
|
" <0000> <ffff> 0",
|
|
" endcidrange",
|
|
" endcmap",
|
|
" currentdict CMapName exch /CMap defineresource pop",
|
|
"end",
|
|
"10 dict begin",
|
|
" begincmap",
|
|
" /CMapType 1 def",
|
|
" /CMapName /Identity-V def",
|
|
" /CIDSystemInfo 3 dict dup begin",
|
|
" /Registry (Adobe) def",
|
|
" /Ordering (Identity) def",
|
|
" /Supplement 0 def",
|
|
" end def",
|
|
" /WMode 1 def",
|
|
" 1 begincodespacerange",
|
|
" <0000> <ffff>",
|
|
" endcodespacerange",
|
|
" 0 usefont",
|
|
" 1 begincidrange",
|
|
" <0000> <ffff> 0",
|
|
" endcidrange",
|
|
" endcmap",
|
|
" currentdict CMapName exch /CMap defineresource pop",
|
|
"end",
|
|
"end",
|
|
NULL
|
|
};
|
|
|
|
//------------------------------------------------------------------------
|
|
// Fonts
|
|
//------------------------------------------------------------------------
|
|
|
|
struct PSSubstFont {
|
|
char *psName; // PostScript name
|
|
double mWidth; // width of 'm' character
|
|
};
|
|
|
|
static char *psFonts[] = {
|
|
"Courier",
|
|
"Courier-Bold",
|
|
"Courier-Oblique",
|
|
"Courier-BoldOblique",
|
|
"Helvetica",
|
|
"Helvetica-Bold",
|
|
"Helvetica-Oblique",
|
|
"Helvetica-BoldOblique",
|
|
"Symbol",
|
|
"Times-Roman",
|
|
"Times-Bold",
|
|
"Times-Italic",
|
|
"Times-BoldItalic",
|
|
"ZapfDingbats",
|
|
NULL
|
|
};
|
|
|
|
static PSSubstFont psSubstFonts[] = {
|
|
{"Helvetica", 0.833},
|
|
{"Helvetica-Oblique", 0.833},
|
|
{"Helvetica-Bold", 0.889},
|
|
{"Helvetica-BoldOblique", 0.889},
|
|
{"Times-Roman", 0.788},
|
|
{"Times-Italic", 0.722},
|
|
{"Times-Bold", 0.833},
|
|
{"Times-BoldItalic", 0.778},
|
|
{"Courier", 0.600},
|
|
{"Courier-Oblique", 0.600},
|
|
{"Courier-Bold", 0.600},
|
|
{"Courier-BoldOblique", 0.600}
|
|
};
|
|
|
|
// Info for 8-bit fonts
|
|
struct PSFont8Info {
|
|
Ref fontID;
|
|
Gushort *codeToGID; // code-to-GID mapping for TrueType fonts
|
|
};
|
|
|
|
// Encoding info for substitute 16-bit font
|
|
struct PSFont16Enc {
|
|
Ref fontID;
|
|
GString *enc;
|
|
};
|
|
|
|
//------------------------------------------------------------------------
|
|
// process colors
|
|
//------------------------------------------------------------------------
|
|
|
|
#define psProcessCyan 1
|
|
#define psProcessMagenta 2
|
|
#define psProcessYellow 4
|
|
#define psProcessBlack 8
|
|
#define psProcessCMYK 15
|
|
|
|
//------------------------------------------------------------------------
|
|
// PSOutCustomColor
|
|
//------------------------------------------------------------------------
|
|
|
|
class PSOutCustomColor {
|
|
public:
|
|
|
|
PSOutCustomColor(double cA, double mA,
|
|
double yA, double kA, GString *nameA);
|
|
~PSOutCustomColor();
|
|
|
|
double c, m, y, k;
|
|
GString *name;
|
|
PSOutCustomColor *next;
|
|
};
|
|
|
|
PSOutCustomColor::PSOutCustomColor(double cA, double mA,
|
|
double yA, double kA, GString *nameA) {
|
|
c = cA;
|
|
m = mA;
|
|
y = yA;
|
|
k = kA;
|
|
name = nameA;
|
|
next = NULL;
|
|
}
|
|
|
|
PSOutCustomColor::~PSOutCustomColor() {
|
|
delete name;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
struct PSOutImgClipRect {
|
|
int x0, x1, y0, y1;
|
|
};
|
|
|
|
//------------------------------------------------------------------------
|
|
// DeviceNRecoder
|
|
//------------------------------------------------------------------------
|
|
|
|
class DeviceNRecoder: public FilterStream {
|
|
public:
|
|
|
|
DeviceNRecoder(Stream *strA, int widthA, int heightA,
|
|
GfxImageColorMap *colorMapA);
|
|
virtual ~DeviceNRecoder();
|
|
virtual StreamKind getKind() { return strWeird; }
|
|
virtual void reset();
|
|
virtual int getChar()
|
|
{ return (bufIdx >= bufSize && !fillBuf()) ? EOF : buf[bufIdx++]; }
|
|
virtual int lookChar()
|
|
{ return (bufIdx >= bufSize && !fillBuf()) ? EOF : buf[bufIdx]; }
|
|
virtual GString *getPSFilter(int /*psLevel*/, char * /*indent*/) { return NULL; }
|
|
virtual GBool isBinary(GBool /*last*/ = gTrue) { return gTrue; }
|
|
virtual GBool isEncoder() { return gTrue; }
|
|
|
|
private:
|
|
|
|
GBool fillBuf();
|
|
|
|
int width, height;
|
|
GfxImageColorMap *colorMap;
|
|
Function *func;
|
|
ImageStream *imgStr;
|
|
int buf[gfxColorMaxComps];
|
|
int pixelIdx;
|
|
int bufIdx;
|
|
int bufSize;
|
|
};
|
|
|
|
DeviceNRecoder::DeviceNRecoder(Stream *strA, int widthA, int heightA,
|
|
GfxImageColorMap *colorMapA):
|
|
FilterStream(strA) {
|
|
width = widthA;
|
|
height = heightA;
|
|
colorMap = colorMapA;
|
|
imgStr = NULL;
|
|
pixelIdx = 0;
|
|
bufIdx = gfxColorMaxComps;
|
|
bufSize = ((GfxDeviceNColorSpace *)colorMap->getColorSpace())->
|
|
getAlt()->getNComps();
|
|
func = ((GfxDeviceNColorSpace *)colorMap->getColorSpace())->
|
|
getTintTransformFunc();
|
|
}
|
|
|
|
DeviceNRecoder::~DeviceNRecoder() {
|
|
if (imgStr) {
|
|
delete imgStr;
|
|
}
|
|
}
|
|
|
|
void DeviceNRecoder::reset() {
|
|
imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
|
|
colorMap->getBits());
|
|
imgStr->reset();
|
|
}
|
|
|
|
GBool DeviceNRecoder::fillBuf() {
|
|
Guchar pixBuf[gfxColorMaxComps];
|
|
GfxColor color;
|
|
double x[gfxColorMaxComps], y[gfxColorMaxComps];
|
|
int i;
|
|
|
|
if (pixelIdx >= width * height) {
|
|
return gFalse;
|
|
}
|
|
imgStr->getPixel(pixBuf);
|
|
colorMap->getColor(pixBuf, &color);
|
|
for (i = 0;
|
|
i < ((GfxDeviceNColorSpace *)colorMap->getColorSpace())->getNComps();
|
|
++i) {
|
|
x[i] = colToDbl(color.c[i]);
|
|
}
|
|
func->transform(x, y);
|
|
for (i = 0; i < bufSize; ++i) {
|
|
buf[i] = (int)(y[i] * 255 + 0.5);
|
|
}
|
|
bufIdx = 0;
|
|
++pixelIdx;
|
|
return gTrue;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
// PSOutputDev
|
|
//------------------------------------------------------------------------
|
|
|
|
extern "C" {
|
|
typedef void (*SignalFunc)(int);
|
|
}
|
|
|
|
static void outputToFile(void *stream, char *data, int len) {
|
|
fwrite(data, 1, len, (FILE *)stream);
|
|
}
|
|
|
|
PSOutputDev::PSOutputDev(char *fileName, char *pstitle, XRef *xrefA, Catalog *catalog,
|
|
int firstPage, int lastPage, PSOutMode modeA,
|
|
int imgLLXA, int imgLLYA, int imgURXA, int imgURYA,
|
|
GBool forceRasterizeA,
|
|
GBool manualCtrlA) {
|
|
FILE *f;
|
|
PSFileType fileTypeA;
|
|
|
|
underlayCbk = NULL;
|
|
underlayCbkData = NULL;
|
|
overlayCbk = NULL;
|
|
overlayCbkData = NULL;
|
|
|
|
fontIDs = NULL;
|
|
fontFileIDs = NULL;
|
|
fontFileNames = NULL;
|
|
font8Info = NULL;
|
|
font16Enc = NULL;
|
|
imgIDs = NULL;
|
|
formIDs = NULL;
|
|
xobjStack = NULL;
|
|
embFontList = NULL;
|
|
customColors = NULL;
|
|
haveTextClip = gFalse;
|
|
t3String = NULL;
|
|
|
|
forceRasterize = forceRasterizeA;
|
|
|
|
// open file or pipe
|
|
if (!strcmp(fileName, "-")) {
|
|
fileTypeA = psStdout;
|
|
f = stdout;
|
|
} else if (fileName[0] == '|') {
|
|
fileTypeA = psPipe;
|
|
#ifdef HAVE_POPEN
|
|
#ifndef WIN32
|
|
signal(SIGPIPE, (SignalFunc)SIG_IGN);
|
|
#endif
|
|
if (!(f = popen(fileName + 1, "w"))) {
|
|
error(-1, "Couldn't run print command '%s'", fileName);
|
|
ok = gFalse;
|
|
return;
|
|
}
|
|
#else
|
|
error(-1, "Print commands are not supported ('%s')", fileName);
|
|
ok = gFalse;
|
|
return;
|
|
#endif
|
|
} else {
|
|
fileTypeA = psFile;
|
|
if (!(f = fopen(fileName, "w"))) {
|
|
error(-1, "Couldn't open PostScript file '%s'", fileName);
|
|
ok = gFalse;
|
|
return;
|
|
}
|
|
}
|
|
|
|
init(outputToFile, f, fileTypeA, pstitle,
|
|
xrefA, catalog, firstPage, lastPage, modeA,
|
|
imgLLXA, imgLLYA, imgURXA, imgURYA, manualCtrlA);
|
|
}
|
|
|
|
void PSOutputDev::init(PSOutputFunc outputFuncA, void *outputStreamA,
|
|
PSFileType fileTypeA, char *pstitle, XRef *xrefA, Catalog *catalog,
|
|
int firstPage, int lastPage, PSOutMode modeA,
|
|
int imgLLXA, int imgLLYA, int imgURXA, int imgURYA,
|
|
GBool manualCtrlA) {
|
|
Page *page;
|
|
PDFRectangle *box;
|
|
|
|
// initialize
|
|
setlocale(LC_NUMERIC,"POSIX");
|
|
ok = gTrue;
|
|
outputFunc = outputFuncA;
|
|
outputStream = outputStreamA;
|
|
fileType = fileTypeA;
|
|
xref = xrefA;
|
|
level = globalParams->getPSLevel();
|
|
mode = modeA;
|
|
paperWidth = globalParams->getPSPaperWidth();
|
|
paperHeight = globalParams->getPSPaperHeight();
|
|
imgLLX = imgLLXA;
|
|
imgLLY = imgLLYA;
|
|
imgURX = imgURXA;
|
|
imgURY = imgURYA;
|
|
if (imgLLX == 0 && imgURX == 0 && imgLLY == 0 && imgURY == 0) {
|
|
globalParams->getPSImageableArea(&imgLLX, &imgLLY, &imgURX, &imgURY);
|
|
}
|
|
if (paperWidth < 0 || paperHeight < 0) {
|
|
// this check is needed in case the document has zero pages
|
|
if (firstPage > 0 && firstPage <= catalog->getNumPages()) {
|
|
page = catalog->getPage(firstPage);
|
|
paperWidth = (int)ceil(page->getMediaWidth());
|
|
paperHeight = (int)ceil(page->getMediaHeight());
|
|
} else {
|
|
paperWidth = 1;
|
|
paperHeight = 1;
|
|
}
|
|
imgLLX = imgLLY = 0;
|
|
imgURX = paperWidth;
|
|
imgURY = paperHeight;
|
|
}
|
|
preload = globalParams->getPSPreload();
|
|
manualCtrl = manualCtrlA;
|
|
if (mode == psModeForm) {
|
|
lastPage = firstPage;
|
|
}
|
|
processColors = 0;
|
|
inType3Char = gFalse;
|
|
|
|
#if OPI_SUPPORT
|
|
// initialize OPI nesting levels
|
|
opi13Nest = 0;
|
|
opi20Nest = 0;
|
|
#endif
|
|
|
|
tx0 = ty0 = -1;
|
|
xScale0 = yScale0 = 0;
|
|
rotate0 = -1;
|
|
clipLLX0 = clipLLY0 = 0;
|
|
clipURX0 = clipURY0 = -1;
|
|
|
|
// initialize fontIDs, fontFileIDs, and fontFileNames lists
|
|
fontIDSize = 64;
|
|
fontIDLen = 0;
|
|
fontIDs = (Ref *)gmallocn(fontIDSize, sizeof(Ref));
|
|
fontFileIDSize = 64;
|
|
fontFileIDLen = 0;
|
|
fontFileIDs = (Ref *)gmallocn(fontFileIDSize, sizeof(Ref));
|
|
fontFileNameSize = 64;
|
|
fontFileNameLen = 0;
|
|
fontFileNames = (GString **)gmallocn(fontFileNameSize, sizeof(GString *));
|
|
psFileNames = (GString **)gmallocn(fontFileNameSize, sizeof(GString *));
|
|
nextTrueTypeNum = 0;
|
|
font8InfoLen = 0;
|
|
font8InfoSize = 0;
|
|
font16EncLen = 0;
|
|
font16EncSize = 0;
|
|
imgIDLen = 0;
|
|
imgIDSize = 0;
|
|
formIDLen = 0;
|
|
formIDSize = 0;
|
|
|
|
xobjStack = new GList();
|
|
numSaves = 0;
|
|
numTilingPatterns = 0;
|
|
nextFunc = 0;
|
|
|
|
// initialize embedded font resource comment list
|
|
embFontList = new GString();
|
|
|
|
if (!manualCtrl) {
|
|
// this check is needed in case the document has zero pages
|
|
if (firstPage > 0 && firstPage <= catalog->getNumPages()) {
|
|
writeHeader(firstPage, lastPage,
|
|
catalog->getPage(firstPage)->getMediaBox(),
|
|
catalog->getPage(firstPage)->getCropBox(),
|
|
catalog->getPage(firstPage)->getRotate(), pstitle);
|
|
} else {
|
|
box = new PDFRectangle(0, 0, 1, 1);
|
|
writeHeader(firstPage, lastPage, box, box, 0, pstitle);
|
|
delete box;
|
|
}
|
|
if (mode != psModeForm) {
|
|
writePS("%%BeginProlog\n");
|
|
}
|
|
writeXpdfProcset();
|
|
if (mode != psModeForm) {
|
|
writePS("%%EndProlog\n");
|
|
writePS("%%BeginSetup\n");
|
|
}
|
|
writeDocSetup(catalog, firstPage, lastPage);
|
|
if (mode != psModeForm) {
|
|
writePS("%%EndSetup\n");
|
|
}
|
|
}
|
|
|
|
// initialize sequential page number
|
|
seqPage = 1;
|
|
}
|
|
|
|
PSOutputDev::~PSOutputDev() {
|
|
PSOutCustomColor *cc;
|
|
int i;
|
|
|
|
if (ok) {
|
|
if (!manualCtrl) {
|
|
writePS("%%Trailer\n");
|
|
writeTrailer();
|
|
if (mode != psModeForm) {
|
|
writePS("%%EOF\n");
|
|
}
|
|
}
|
|
if (fileType == psFile) {
|
|
#ifdef MACOS
|
|
ICS_MapRefNumAndAssign((short)((FILE *)outputStream)->handle);
|
|
#endif
|
|
fclose((FILE *)outputStream);
|
|
}
|
|
#ifdef HAVE_POPEN
|
|
else if (fileType == psPipe) {
|
|
pclose((FILE *)outputStream);
|
|
#ifndef WIN32
|
|
signal(SIGPIPE, (SignalFunc)SIG_DFL);
|
|
#endif
|
|
}
|
|
#endif
|
|
}
|
|
if (embFontList) {
|
|
delete embFontList;
|
|
}
|
|
if (fontIDs) {
|
|
gfree(fontIDs);
|
|
}
|
|
if (fontFileIDs) {
|
|
gfree(fontFileIDs);
|
|
}
|
|
if (fontFileNames) {
|
|
for (i = 0; i < fontFileNameLen; ++i) {
|
|
delete fontFileNames[i];
|
|
}
|
|
gfree(fontFileNames);
|
|
}
|
|
if (font8Info) {
|
|
for (i = 0; i < font8InfoLen; ++i) {
|
|
gfree(font8Info[i].codeToGID);
|
|
}
|
|
gfree(font8Info);
|
|
}
|
|
if (psFileNames) {
|
|
for (i = 0; i < fontFileNameLen; ++i) {
|
|
if (psFileNames[i])
|
|
delete psFileNames[i];
|
|
}
|
|
gfree(psFileNames);
|
|
}
|
|
if (font16Enc) {
|
|
for (i = 0; i < font16EncLen; ++i) {
|
|
delete font16Enc[i].enc;
|
|
}
|
|
gfree(font16Enc);
|
|
}
|
|
gfree(imgIDs);
|
|
gfree(formIDs);
|
|
if (xobjStack) {
|
|
delete xobjStack;
|
|
}
|
|
while (customColors) {
|
|
cc = customColors;
|
|
customColors = cc->next;
|
|
delete cc;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::writeHeader(int firstPage, int lastPage,
|
|
PDFRectangle *mediaBox, PDFRectangle *cropBox,
|
|
int pageRotate, char *pstitle) {
|
|
Object info, obj1;
|
|
double x1, y1, x2, y2;
|
|
|
|
switch (mode) {
|
|
case psModePS:
|
|
writePS("%!PS-Adobe-3.0\n");
|
|
break;
|
|
case psModeEPS:
|
|
writePS("%!PS-Adobe-3.0 EPSF-3.0\n");
|
|
break;
|
|
case psModeForm:
|
|
writePS("%!PS-Adobe-3.0 Resource-Form\n");
|
|
break;
|
|
}
|
|
|
|
xref->getDocInfo(&info);
|
|
if (info.isDict() && info.dictLookup("Creator", &obj1)->isString()) {
|
|
writePS("%%Creator: ");
|
|
writePSTextLine(obj1.getString());
|
|
}
|
|
obj1.free();
|
|
info.free();
|
|
if(pstitle) {
|
|
writePSFmt("%%Title: {0:s}\n", pstitle);
|
|
}
|
|
writePSFmt("%%LanguageLevel: {0:d}\n",
|
|
(level == psLevel1 || level == psLevel1Sep) ? 1 :
|
|
(level == psLevel2 || level == psLevel2Sep) ? 2 : 3);
|
|
if (level == psLevel1Sep || level == psLevel2Sep || level == psLevel3Sep) {
|
|
writePS("%%DocumentProcessColors: (atend)\n");
|
|
writePS("%%DocumentCustomColors: (atend)\n");
|
|
}
|
|
writePS("%%DocumentSuppliedResources: (atend)\n");
|
|
|
|
switch (mode) {
|
|
case psModePS:
|
|
writePSFmt("%%DocumentMedia: plain {0:d} {1:d} 0 () ()\n",
|
|
paperWidth, paperHeight);
|
|
writePSFmt("%%BoundingBox: 0 0 {0:d} {1:d}\n", paperWidth, paperHeight);
|
|
writePSFmt("%%Pages: {0:d}\n", lastPage - firstPage + 1);
|
|
writePS("%%EndComments\n");
|
|
writePS("%%BeginDefaults\n");
|
|
writePS("%%PageMedia: plain\n");
|
|
writePS("%%EndDefaults\n");
|
|
break;
|
|
case psModeEPS:
|
|
epsX1 = cropBox->x1;
|
|
epsY1 = cropBox->y1;
|
|
epsX2 = cropBox->x2;
|
|
epsY2 = cropBox->y2;
|
|
if (pageRotate == 0 || pageRotate == 180) {
|
|
x1 = epsX1;
|
|
y1 = epsY1;
|
|
x2 = epsX2;
|
|
y2 = epsY2;
|
|
} else { // pageRotate == 90 || pageRotate == 270
|
|
x1 = 0;
|
|
y1 = 0;
|
|
x2 = epsY2 - epsY1;
|
|
y2 = epsX2 - epsX1;
|
|
}
|
|
writePSFmt("%%BoundingBox: {0:d} {1:d} {2:d} {3:d}\n",
|
|
(int)floor(x1), (int)floor(y1), (int)ceil(x2), (int)ceil(y2));
|
|
if (floor(x1) != ceil(x1) || floor(y1) != ceil(y1) ||
|
|
floor(x2) != ceil(x2) || floor(y2) != ceil(y2)) {
|
|
writePSFmt("%%HiResBoundingBox: {0:.4g} {1:.4g} {2:.4g} {3:.4g}\n",
|
|
x1, y1, x2, y2);
|
|
}
|
|
writePS("%%EndComments\n");
|
|
break;
|
|
case psModeForm:
|
|
writePS("%%EndComments\n");
|
|
writePS("32 dict dup begin\n");
|
|
writePSFmt("/BBox [{0:d} {1:d} {2:d} {3:d}] def\n",
|
|
(int)floor(mediaBox->x1), (int)floor(mediaBox->y1),
|
|
(int)ceil(mediaBox->x2), (int)ceil(mediaBox->y2));
|
|
writePS("/FormType 1 def\n");
|
|
writePS("/Matrix [1 0 0 1 0 0] def\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::writeXpdfProcset() {
|
|
GBool lev1, lev2, lev3, sep, nonSep;
|
|
char **p;
|
|
char *q;
|
|
|
|
writePSFmt("%%BeginResource: procset xpdf {0:s} 0\n", xpdfVersion);
|
|
writePSFmt("%%Copyright: {0:s}\n", xpdfCopyright);
|
|
lev1 = lev2 = lev3 = sep = nonSep = gTrue;
|
|
for (p = prolog; *p; ++p) {
|
|
if ((*p)[0] == '~') {
|
|
lev1 = lev2 = lev3 = sep = nonSep = gFalse;
|
|
for (q = *p + 1; *q; ++q) {
|
|
switch (*q) {
|
|
case '1': lev1 = gTrue; break;
|
|
case '2': lev2 = gTrue; break;
|
|
case '3': lev3 = gTrue; break;
|
|
case 's': sep = gTrue; break;
|
|
case 'n': nonSep = gTrue; break;
|
|
}
|
|
}
|
|
} else if ((level == psLevel1 && lev1 && nonSep) ||
|
|
(level == psLevel1Sep && lev1 && sep) ||
|
|
(level == psLevel2 && lev2 && nonSep) ||
|
|
(level == psLevel2Sep && lev2 && sep) ||
|
|
(level == psLevel3 && lev3 && nonSep) ||
|
|
(level == psLevel3Sep && lev3 && sep)) {
|
|
writePSFmt("{0:s}\n", *p);
|
|
}
|
|
}
|
|
writePS("%%EndResource\n");
|
|
|
|
if (level >= psLevel3) {
|
|
for (p = cmapProlog; *p; ++p) {
|
|
writePSFmt("{0:s}\n", *p);
|
|
}
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::writeDocSetup(Catalog *catalog,
|
|
int firstPage, int lastPage) {
|
|
Page *page;
|
|
Dict *resDict;
|
|
Annots *annots;
|
|
Object obj1, obj2;
|
|
int pg, i;
|
|
|
|
if (mode == psModeForm) {
|
|
// swap the form and xpdf dicts
|
|
writePS("xpdf end begin dup begin\n");
|
|
} else {
|
|
writePS("xpdf begin\n");
|
|
}
|
|
for (pg = firstPage; pg <= lastPage; ++pg) {
|
|
page = catalog->getPage(pg);
|
|
if ((resDict = page->getResourceDict())) {
|
|
setupResources(resDict);
|
|
}
|
|
annots = new Annots(xref, catalog, page->getAnnots(&obj1));
|
|
obj1.free();
|
|
for (i = 0; i < annots->getNumAnnots(); ++i) {
|
|
if (annots->getAnnot(i)->getAppearance(&obj1)->isStream()) {
|
|
obj1.streamGetDict()->lookup("Resources", &obj2);
|
|
if (obj2.isDict()) {
|
|
setupResources(obj2.getDict());
|
|
}
|
|
obj2.free();
|
|
}
|
|
obj1.free();
|
|
}
|
|
delete annots;
|
|
}
|
|
if (mode != psModeForm) {
|
|
if (mode != psModeEPS && !manualCtrl) {
|
|
writePSFmt("{0:d} {1:d} {2:s} pdfSetup\n",
|
|
paperWidth, paperHeight,
|
|
globalParams->getPSDuplex() ? "true" : "false");
|
|
}
|
|
#if OPI_SUPPORT
|
|
if (globalParams->getPSOPI()) {
|
|
writePS("/opiMatrix matrix currentmatrix def\n");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::writePageTrailer() {
|
|
if (mode != psModeForm) {
|
|
writePS("pdfEndPage\n");
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::writeTrailer() {
|
|
PSOutCustomColor *cc;
|
|
|
|
if (mode == psModeForm) {
|
|
writePS("/Foo exch /Form defineresource pop\n");
|
|
} else {
|
|
writePS("end\n");
|
|
writePS("%%DocumentSuppliedResources:\n");
|
|
writePS(embFontList->getCString());
|
|
if (level == psLevel1Sep || level == psLevel2Sep ||
|
|
level == psLevel3Sep) {
|
|
writePS("%%DocumentProcessColors:");
|
|
if (processColors & psProcessCyan) {
|
|
writePS(" Cyan");
|
|
}
|
|
if (processColors & psProcessMagenta) {
|
|
writePS(" Magenta");
|
|
}
|
|
if (processColors & psProcessYellow) {
|
|
writePS(" Yellow");
|
|
}
|
|
if (processColors & psProcessBlack) {
|
|
writePS(" Black");
|
|
}
|
|
writePS("\n");
|
|
writePS("%%DocumentCustomColors:");
|
|
for (cc = customColors; cc; cc = cc->next) {
|
|
writePSFmt(" ({0:s})", cc->name->getCString());
|
|
}
|
|
writePS("\n");
|
|
writePS("%%CMYKCustomColor:\n");
|
|
for (cc = customColors; cc; cc = cc->next) {
|
|
writePSFmt("%%+ {0:.4g} {1:.4g} {2:.4g} {3:.4g} ({4:t})\n",
|
|
cc->c, cc->m, cc->y, cc->k, cc->name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::setupResources(Dict *resDict) {
|
|
Object xObjDict, xObjRef, xObj, patDict, patRef, pat, resObj;
|
|
Ref ref0, ref1;
|
|
GBool skip;
|
|
int i, j;
|
|
|
|
setupFonts(resDict);
|
|
setupImages(resDict);
|
|
setupForms(resDict);
|
|
|
|
//----- recursively scan XObjects
|
|
resDict->lookup("XObject", &xObjDict);
|
|
if (xObjDict.isDict()) {
|
|
for (i = 0; i < xObjDict.dictGetLength(); ++i) {
|
|
|
|
// avoid infinite recursion on XObjects
|
|
skip = gFalse;
|
|
if ((xObjDict.dictGetValNF(i, &xObjRef)->isRef())) {
|
|
ref0 = xObjRef.getRef();
|
|
for (j = 0; j < xobjStack->getLength(); ++j) {
|
|
ref1 = *(Ref *)xobjStack->get(j);
|
|
if (ref1.num == ref0.num && ref1.gen == ref0.gen) {
|
|
skip = gTrue;
|
|
break;
|
|
}
|
|
}
|
|
if (!skip) {
|
|
xobjStack->append(&ref0);
|
|
}
|
|
}
|
|
if (!skip) {
|
|
|
|
// process the XObject's resource dictionary
|
|
xObjDict.dictGetVal(i, &xObj);
|
|
if (xObj.isStream()) {
|
|
xObj.streamGetDict()->lookup("Resources", &resObj);
|
|
if (resObj.isDict()) {
|
|
setupResources(resObj.getDict());
|
|
}
|
|
resObj.free();
|
|
}
|
|
xObj.free();
|
|
}
|
|
|
|
if (xObjRef.isRef() && !skip) {
|
|
xobjStack->del(xobjStack->getLength() - 1);
|
|
}
|
|
xObjRef.free();
|
|
}
|
|
}
|
|
xObjDict.free();
|
|
|
|
//----- recursively scan Patterns
|
|
resDict->lookup("Pattern", &patDict);
|
|
if (patDict.isDict()) {
|
|
inType3Char = gTrue;
|
|
for (i = 0; i < patDict.dictGetLength(); ++i) {
|
|
|
|
// avoid infinite recursion on Patterns
|
|
skip = gFalse;
|
|
if ((patDict.dictGetValNF(i, &patRef)->isRef())) {
|
|
ref0 = patRef.getRef();
|
|
for (j = 0; j < xobjStack->getLength(); ++j) {
|
|
ref1 = *(Ref *)xobjStack->get(j);
|
|
if (ref1.num == ref0.num && ref1.gen == ref0.gen) {
|
|
skip = gTrue;
|
|
break;
|
|
}
|
|
}
|
|
if (!skip) {
|
|
xobjStack->append(&ref0);
|
|
}
|
|
}
|
|
if (!skip) {
|
|
|
|
// process the Pattern's resource dictionary
|
|
patDict.dictGetVal(i, &pat);
|
|
if (pat.isStream()) {
|
|
pat.streamGetDict()->lookup("Resources", &resObj);
|
|
if (resObj.isDict()) {
|
|
setupResources(resObj.getDict());
|
|
}
|
|
resObj.free();
|
|
}
|
|
pat.free();
|
|
}
|
|
|
|
if (patRef.isRef() && !skip) {
|
|
xobjStack->del(xobjStack->getLength() - 1);
|
|
}
|
|
patRef.free();
|
|
}
|
|
inType3Char = gFalse;
|
|
}
|
|
patDict.free();
|
|
}
|
|
|
|
void PSOutputDev::setupFonts(Dict *resDict) {
|
|
Object obj1, obj2;
|
|
Ref r;
|
|
GfxFontDict *gfxFontDict;
|
|
GfxFont *font;
|
|
int i;
|
|
|
|
if (forceRasterize) return;
|
|
|
|
gfxFontDict = NULL;
|
|
resDict->lookupNF("Font", &obj1);
|
|
if (obj1.isRef()) {
|
|
obj1.fetch(xref, &obj2);
|
|
if (obj2.isDict()) {
|
|
r = obj1.getRef();
|
|
gfxFontDict = new GfxFontDict(xref, &r, obj2.getDict());
|
|
}
|
|
obj2.free();
|
|
} else if (obj1.isDict()) {
|
|
gfxFontDict = new GfxFontDict(xref, NULL, obj1.getDict());
|
|
}
|
|
if (gfxFontDict) {
|
|
for (i = 0; i < gfxFontDict->getNumFonts(); ++i) {
|
|
if ((font = gfxFontDict->getFont(i))) {
|
|
setupFont(font, resDict);
|
|
}
|
|
}
|
|
delete gfxFontDict;
|
|
}
|
|
obj1.free();
|
|
}
|
|
|
|
void PSOutputDev::setupFont(GfxFont *font, Dict *parentResDict) {
|
|
Ref fontFileID;
|
|
GString *name;
|
|
PSFontParam *fontParam;
|
|
GString *psName;
|
|
char buf[16];
|
|
GBool subst;
|
|
UnicodeMap *uMap;
|
|
char *charName;
|
|
double xs, ys;
|
|
int code;
|
|
double w1, w2;
|
|
double *fm;
|
|
int i, j;
|
|
DisplayFontParam *dfp;
|
|
|
|
// check if font is already set up
|
|
for (i = 0; i < fontIDLen; ++i) {
|
|
if (fontIDs[i].num == font->getID()->num &&
|
|
fontIDs[i].gen == font->getID()->gen) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// add entry to fontIDs list
|
|
if (fontIDLen >= fontIDSize) {
|
|
fontIDSize += 64;
|
|
fontIDs = (Ref *)greallocn(fontIDs, fontIDSize, sizeof(Ref));
|
|
}
|
|
fontIDs[fontIDLen++] = *font->getID();
|
|
|
|
xs = ys = 1;
|
|
subst = gFalse;
|
|
|
|
// check for resident 8-bit font
|
|
if (font->getName() &&
|
|
(fontParam = globalParams->getPSFont(font->getName()))) {
|
|
psName = new GString(fontParam->psFontName->getCString());
|
|
|
|
// check for embedded Type 1 font
|
|
} else if (globalParams->getPSEmbedType1() &&
|
|
font->getType() == fontType1 &&
|
|
font->getEmbeddedFontID(&fontFileID)) {
|
|
psName = filterPSName(font->getEmbeddedFontName());
|
|
setupEmbeddedType1Font(&fontFileID, psName);
|
|
|
|
// check for embedded Type 1C font
|
|
} else if (globalParams->getPSEmbedType1() &&
|
|
font->getType() == fontType1C &&
|
|
font->getEmbeddedFontID(&fontFileID)) {
|
|
// use the PDF font name because the embedded font name might
|
|
// not include the subset prefix
|
|
psName = filterPSName(font->getOrigName());
|
|
setupEmbeddedType1CFont(font, &fontFileID, psName);
|
|
|
|
// check for embedded OpenType - Type 1C font
|
|
} else if (globalParams->getPSEmbedType1() &&
|
|
font->getType() == fontType1COT &&
|
|
font->getEmbeddedFontID(&fontFileID)) {
|
|
// use the PDF font name because the embedded font name might
|
|
// not include the subset prefix
|
|
psName = filterPSName(font->getOrigName());
|
|
setupEmbeddedOpenTypeT1CFont(font, &fontFileID, psName);
|
|
|
|
// check for external Type 1 font file
|
|
} else if (globalParams->getPSEmbedType1() &&
|
|
font->getType() == fontType1 &&
|
|
font->getExtFontFile()) {
|
|
// this assumes that the PS font name matches the PDF font name
|
|
psName = font->getName()->copy();
|
|
setupExternalType1Font(font->getExtFontFile(), psName);
|
|
|
|
// check for embedded TrueType font
|
|
} else if (globalParams->getPSEmbedTrueType() &&
|
|
(font->getType() == fontTrueType ||
|
|
font->getType() == fontTrueTypeOT) &&
|
|
font->getEmbeddedFontID(&fontFileID)) {
|
|
psName = filterPSName(font->getEmbeddedFontName());
|
|
setupEmbeddedTrueTypeFont(font, &fontFileID, psName);
|
|
|
|
// check for external TrueType font file
|
|
} else if (globalParams->getPSEmbedTrueType() &&
|
|
font->getType() == fontTrueType &&
|
|
font->getExtFontFile()) {
|
|
psName = setupExternalTrueTypeFont(font);
|
|
|
|
// check for embedded CID PostScript font
|
|
} else if (globalParams->getPSEmbedCIDPostScript() &&
|
|
font->getType() == fontCIDType0C &&
|
|
font->getEmbeddedFontID(&fontFileID)) {
|
|
psName = filterPSName(font->getEmbeddedFontName());
|
|
setupEmbeddedCIDType0Font(font, &fontFileID, psName);
|
|
|
|
// check for embedded CID TrueType font
|
|
} else if (globalParams->getPSEmbedCIDTrueType() &&
|
|
(font->getType() == fontCIDType2 ||
|
|
font->getType() == fontCIDType2OT) &&
|
|
font->getEmbeddedFontID(&fontFileID)) {
|
|
psName = filterPSName(font->getEmbeddedFontName());
|
|
//~ should check to see if font actually uses vertical mode
|
|
setupEmbeddedCIDTrueTypeFont(font, &fontFileID, psName, gTrue);
|
|
|
|
// check for embedded OpenType - CID CFF font
|
|
} else if (globalParams->getPSEmbedCIDPostScript() &&
|
|
font->getType() == fontCIDType0COT &&
|
|
font->getEmbeddedFontID(&fontFileID)) {
|
|
psName = filterPSName(font->getEmbeddedFontName());
|
|
setupEmbeddedOpenTypeCFFFont(font, &fontFileID, psName);
|
|
|
|
// check for Type 3 font
|
|
} else if (font->getType() == fontType3) {
|
|
psName = GString::format("T3_{0:d}_{1:d}",
|
|
font->getID()->num, font->getID()->gen);
|
|
setupType3Font(font, psName, parentResDict);
|
|
// check for external CID TrueType font file
|
|
} else if (globalParams->getPSEmbedCIDTrueType() &&
|
|
font->getType() == fontCIDType2 &&
|
|
font->getExtFontFile()) {
|
|
psName = setupExternalCIDTrueTypeFont(font, font->getExtFontFile());
|
|
// do 8-bit font substitution
|
|
} else if (!font->isCIDFont()) {
|
|
subst = gTrue;
|
|
name = font->getName();
|
|
psName = NULL;
|
|
if (name) {
|
|
for (i = 0; psFonts[i]; ++i) {
|
|
if (name->cmp(psFonts[i]) == 0) {
|
|
psName = new GString(psFonts[i]);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!psName) {
|
|
if (font->isFixedWidth()) {
|
|
i = 8;
|
|
} else if (font->isSerif()) {
|
|
i = 4;
|
|
} else {
|
|
i = 0;
|
|
}
|
|
if (font->isBold()) {
|
|
i += 2;
|
|
}
|
|
if (font->isItalic()) {
|
|
i += 1;
|
|
}
|
|
psName = new GString(psSubstFonts[i].psName);
|
|
for (code = 0; code < 256; ++code) {
|
|
if ((charName = ((Gfx8BitFont *)font)->getCharName(code)) &&
|
|
charName[0] == 'm' && charName[1] == '\0') {
|
|
break;
|
|
}
|
|
}
|
|
if (code < 256) {
|
|
w1 = ((Gfx8BitFont *)font)->getWidth(code);
|
|
} else {
|
|
w1 = 0;
|
|
}
|
|
w2 = psSubstFonts[i].mWidth;
|
|
xs = w1 / w2;
|
|
if (xs < 0.1) {
|
|
xs = 1;
|
|
}
|
|
if (font->getType() == fontType3) {
|
|
// This is a hack which makes it possible to substitute for some
|
|
// Type 3 fonts. The problem is that it's impossible to know what
|
|
// the base coordinate system used in the font is without actually
|
|
// rendering the font.
|
|
ys = xs;
|
|
fm = font->getFontMatrix();
|
|
if (fm[0] != 0) {
|
|
ys *= fm[3] / fm[0];
|
|
}
|
|
} else {
|
|
ys = 1;
|
|
}
|
|
}
|
|
|
|
// do 16-bit font substitution
|
|
} else if ((fontParam = globalParams->
|
|
getPSFont16(font->getName(),
|
|
((GfxCIDFont *)font)->getCollection(),
|
|
font->getWMode()))) {
|
|
subst = gTrue;
|
|
psName = fontParam->psFontName->copy();
|
|
if (font16EncLen >= font16EncSize) {
|
|
font16EncSize += 16;
|
|
font16Enc = (PSFont16Enc *)greallocn(font16Enc,
|
|
font16EncSize, sizeof(PSFont16Enc));
|
|
}
|
|
font16Enc[font16EncLen].fontID = *font->getID();
|
|
font16Enc[font16EncLen].enc = fontParam->encoding->copy();
|
|
if ((uMap = globalParams->getUnicodeMap(font16Enc[font16EncLen].enc))) {
|
|
uMap->decRefCnt();
|
|
++font16EncLen;
|
|
} else {
|
|
error(-1, "Couldn't find Unicode map for 16-bit font encoding '%s'",
|
|
font16Enc[font16EncLen].enc->getCString());
|
|
}
|
|
|
|
// try the display font for embedding
|
|
} else if (globalParams->getPSEmbedCIDTrueType() &&
|
|
((GfxCIDFont *)font)->getCollection() &&
|
|
(dfp = globalParams->
|
|
getDisplayCIDFont(font->getName(),
|
|
((GfxCIDFont *)font)->getCollection())) &&
|
|
dfp->kind == displayFontTT) {
|
|
psName = setupExternalCIDTrueTypeFont(font, dfp->tt.fileName, dfp->tt.faceIndex);
|
|
|
|
// give up - can't do anything with this font
|
|
} else {
|
|
error(-1, "Couldn't find a font to substitute for '%s' ('%s' character collection)",
|
|
font->getName() ? font->getName()->getCString() : "(unnamed)",
|
|
((GfxCIDFont *)font)->getCollection()
|
|
? ((GfxCIDFont *)font)->getCollection()->getCString()
|
|
: "(unknown)");
|
|
return;
|
|
}
|
|
|
|
// generate PostScript code to set up the font
|
|
if (font->isCIDFont()) {
|
|
if (level == psLevel3 || level == psLevel3Sep) {
|
|
writePSFmt("/F{0:d}_{1:d} /{2:t} {3:d} pdfMakeFont16L3\n",
|
|
font->getID()->num, font->getID()->gen, psName,
|
|
font->getWMode());
|
|
} else {
|
|
writePSFmt("/F{0:d}_{1:d} /{2:t} {3:d} pdfMakeFont16\n",
|
|
font->getID()->num, font->getID()->gen, psName,
|
|
font->getWMode());
|
|
}
|
|
} else {
|
|
writePSFmt("/F{0:d}_{1:d} /{2:t} {3:.4g} {4:.4g}\n",
|
|
font->getID()->num, font->getID()->gen, psName, xs, ys);
|
|
for (i = 0; i < 256; i += 8) {
|
|
writePS((char *)((i == 0) ? "[ " : " "));
|
|
for (j = 0; j < 8; ++j) {
|
|
if (font->getType() == fontTrueType &&
|
|
!subst &&
|
|
!((Gfx8BitFont *)font)->getHasEncoding()) {
|
|
sprintf(buf, "c%02x", i+j);
|
|
charName = buf;
|
|
} else {
|
|
charName = ((Gfx8BitFont *)font)->getCharName(i+j);
|
|
// this is a kludge for broken PDF files that encode char 32
|
|
// as .notdef
|
|
if (i+j == 32 && charName && !strcmp(charName, ".notdef")) {
|
|
charName = "space";
|
|
}
|
|
}
|
|
writePS("/");
|
|
writePSName(charName ? charName : (char *)".notdef");
|
|
// the empty name is legal in PDF and PostScript, but PostScript
|
|
// uses a double-slash (//...) for "immediately evaluated names",
|
|
// so we need to add a space character here
|
|
if (charName && !charName[0]) {
|
|
writePS(" ");
|
|
}
|
|
}
|
|
writePS((i == 256-8) ? (char *)"]\n" : (char *)"\n");
|
|
}
|
|
writePS("pdfMakeFont\n");
|
|
}
|
|
|
|
delete psName;
|
|
}
|
|
|
|
void PSOutputDev::setupEmbeddedType1Font(Ref *id, GString *psName) {
|
|
static char hexChar[17] = "0123456789abcdef";
|
|
Object refObj, strObj, obj1, obj2, obj3;
|
|
Dict *dict;
|
|
int length1, length2, length3;
|
|
int c;
|
|
int start[4];
|
|
GBool binMode;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileIDLen; ++i) {
|
|
if (fontFileIDs[i].num == id->num &&
|
|
fontFileIDs[i].gen == id->gen)
|
|
return;
|
|
}
|
|
|
|
// add entry to fontFileIDs list
|
|
if (fontFileIDLen >= fontFileIDSize) {
|
|
fontFileIDSize += 64;
|
|
fontFileIDs = (Ref *)greallocn(fontFileIDs, fontFileIDSize, sizeof(Ref));
|
|
}
|
|
fontFileIDs[fontFileIDLen++] = *id;
|
|
|
|
// get the font stream and info
|
|
refObj.initRef(id->num, id->gen);
|
|
refObj.fetch(xref, &strObj);
|
|
refObj.free();
|
|
if (!strObj.isStream()) {
|
|
error(-1, "Embedded font file object is not a stream");
|
|
goto err1;
|
|
}
|
|
if (!(dict = strObj.streamGetDict())) {
|
|
error(-1, "Embedded font stream is missing its dictionary");
|
|
goto err1;
|
|
}
|
|
dict->lookup("Length1", &obj1);
|
|
dict->lookup("Length2", &obj2);
|
|
dict->lookup("Length3", &obj3);
|
|
if (!obj1.isInt() || !obj2.isInt() || !obj3.isInt()) {
|
|
error(-1, "Missing length fields in embedded font stream dictionary");
|
|
obj1.free();
|
|
obj2.free();
|
|
obj3.free();
|
|
goto err1;
|
|
}
|
|
length1 = obj1.getInt();
|
|
length2 = obj2.getInt();
|
|
length3 = obj3.getInt();
|
|
obj1.free();
|
|
obj2.free();
|
|
obj3.free();
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// copy ASCII portion of font
|
|
strObj.streamReset();
|
|
for (i = 0; i < length1 && (c = strObj.streamGetChar()) != EOF; ++i) {
|
|
writePSChar(c);
|
|
}
|
|
|
|
// figure out if encrypted portion is binary or ASCII
|
|
binMode = gFalse;
|
|
for (i = 0; i < 4; ++i) {
|
|
start[i] = strObj.streamGetChar();
|
|
if (start[i] == EOF) {
|
|
error(-1, "Unexpected end of file in embedded font stream");
|
|
goto err1;
|
|
}
|
|
if (!((start[i] >= '0' && start[i] <= '9') ||
|
|
(start[i] >= 'A' && start[i] <= 'F') ||
|
|
(start[i] >= 'a' && start[i] <= 'f')))
|
|
binMode = gTrue;
|
|
}
|
|
|
|
// convert binary data to ASCII
|
|
if (binMode) {
|
|
for (i = 0; i < 4; ++i) {
|
|
writePSChar(hexChar[(start[i] >> 4) & 0x0f]);
|
|
writePSChar(hexChar[start[i] & 0x0f]);
|
|
}
|
|
#if 0 // this causes trouble for various PostScript printers
|
|
// if Length2 is incorrect (too small), font data gets chopped, so
|
|
// we take a few extra characters from the trailer just in case
|
|
length2 += length3 >= 8 ? 8 : length3;
|
|
#endif
|
|
while (i < length2) {
|
|
if ((c = strObj.streamGetChar()) == EOF) {
|
|
break;
|
|
}
|
|
writePSChar(hexChar[(c >> 4) & 0x0f]);
|
|
writePSChar(hexChar[c & 0x0f]);
|
|
if (++i % 32 == 0) {
|
|
writePSChar('\n');
|
|
}
|
|
}
|
|
if (i % 32 > 0) {
|
|
writePSChar('\n');
|
|
}
|
|
|
|
// already in ASCII format -- just copy it
|
|
} else {
|
|
for (i = 0; i < 4; ++i) {
|
|
writePSChar(start[i]);
|
|
}
|
|
for (i = 4; i < length2; ++i) {
|
|
if ((c = strObj.streamGetChar()) == EOF) {
|
|
break;
|
|
}
|
|
writePSChar(c);
|
|
}
|
|
}
|
|
|
|
// write padding and "cleartomark"
|
|
for (i = 0; i < 8; ++i) {
|
|
writePS("00000000000000000000000000000000"
|
|
"00000000000000000000000000000000\n");
|
|
}
|
|
writePS("cleartomark\n");
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
|
|
err1:
|
|
strObj.streamClose();
|
|
strObj.free();
|
|
}
|
|
|
|
//~ This doesn't handle .pfb files or binary eexec data (which only
|
|
//~ happens in pfb files?).
|
|
void PSOutputDev::setupExternalType1Font(GString *fileName, GString *psName) {
|
|
FILE *fontFile;
|
|
int c;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileNameLen; ++i) {
|
|
if (!fontFileNames[i]->cmp(fileName)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// add entry to fontFileNames list
|
|
if (fontFileNameLen >= fontFileNameSize) {
|
|
fontFileNameSize += 64;
|
|
fontFileNames = (GString **)greallocn(fontFileNames,
|
|
fontFileNameSize, sizeof(GString *));
|
|
psFileNames = (GString **)greallocn(psFileNames,
|
|
fontFileNameSize, sizeof(GString *));
|
|
}
|
|
fontFileNames[fontFileNameLen] = fileName->copy();
|
|
psFileNames[fontFileNameLen] = psName->copy();
|
|
fontFileNameLen++;
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// copy the font file
|
|
if (!(fontFile = fopen(fileName->getCString(), "rb"))) {
|
|
error(-1, "Couldn't open external font file");
|
|
return;
|
|
}
|
|
while ((c = fgetc(fontFile)) != EOF) {
|
|
writePSChar(c);
|
|
}
|
|
fclose(fontFile);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
}
|
|
|
|
void PSOutputDev::setupEmbeddedType1CFont(GfxFont *font, Ref *id,
|
|
GString *psName) {
|
|
char *fontBuf;
|
|
int fontLen;
|
|
FoFiType1C *ffT1C;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileIDLen; ++i) {
|
|
if (fontFileIDs[i].num == id->num &&
|
|
fontFileIDs[i].gen == id->gen)
|
|
return;
|
|
}
|
|
|
|
// add entry to fontFileIDs list
|
|
if (fontFileIDLen >= fontFileIDSize) {
|
|
fontFileIDSize += 64;
|
|
fontFileIDs = (Ref *)greallocn(fontFileIDs, fontFileIDSize, sizeof(Ref));
|
|
}
|
|
fontFileIDs[fontFileIDLen++] = *id;
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// convert it to a Type 1 font
|
|
fontBuf = font->readEmbFontFile(xref, &fontLen);
|
|
if ((ffT1C = FoFiType1C::make(fontBuf, fontLen))) {
|
|
ffT1C->convertToType1(psName->getCString(), NULL, gTrue,
|
|
outputFunc, outputStream);
|
|
delete ffT1C;
|
|
}
|
|
gfree(fontBuf);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
}
|
|
|
|
void PSOutputDev::setupEmbeddedOpenTypeT1CFont(GfxFont *font, Ref *id,
|
|
GString *psName) {
|
|
char *fontBuf;
|
|
int fontLen;
|
|
FoFiTrueType *ffTT;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileIDLen; ++i) {
|
|
if (fontFileIDs[i].num == id->num &&
|
|
fontFileIDs[i].gen == id->gen)
|
|
return;
|
|
}
|
|
|
|
// add entry to fontFileIDs list
|
|
if (fontFileIDLen >= fontFileIDSize) {
|
|
fontFileIDSize += 64;
|
|
fontFileIDs = (Ref *)greallocn(fontFileIDs, fontFileIDSize, sizeof(Ref));
|
|
}
|
|
fontFileIDs[fontFileIDLen++] = *id;
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// convert it to a Type 1 font
|
|
fontBuf = font->readEmbFontFile(xref, &fontLen);
|
|
if ((ffTT = FoFiTrueType::make(fontBuf, fontLen))) {
|
|
if (ffTT->isOpenTypeCFF()) {
|
|
ffTT->convertToType1(psName->getCString(), NULL, gTrue,
|
|
outputFunc, outputStream);
|
|
}
|
|
delete ffTT;
|
|
}
|
|
gfree(fontBuf);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
}
|
|
|
|
void PSOutputDev::setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id,
|
|
GString *psName) {
|
|
char *fontBuf;
|
|
int fontLen;
|
|
FoFiTrueType *ffTT;
|
|
Gushort *codeToGID;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileIDLen; ++i) {
|
|
if (fontFileIDs[i].num == id->num &&
|
|
fontFileIDs[i].gen == id->gen) {
|
|
psName->appendf("_{0:d}", nextTrueTypeNum++);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// add entry to fontFileIDs list
|
|
if (i == fontFileIDLen) {
|
|
if (fontFileIDLen >= fontFileIDSize) {
|
|
fontFileIDSize += 64;
|
|
fontFileIDs = (Ref *)greallocn(fontFileIDs, fontFileIDSize, sizeof(Ref));
|
|
}
|
|
fontFileIDs[fontFileIDLen++] = *id;
|
|
}
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// convert it to a Type 42 font
|
|
fontBuf = font->readEmbFontFile(xref, &fontLen);
|
|
if ((ffTT = FoFiTrueType::make(fontBuf, fontLen))) {
|
|
codeToGID = ((Gfx8BitFont *)font)->getCodeToGIDMap(ffTT);
|
|
ffTT->convertToType42(psName->getCString(),
|
|
((Gfx8BitFont *)font)->getHasEncoding()
|
|
? ((Gfx8BitFont *)font)->getEncoding()
|
|
: (char **)NULL,
|
|
codeToGID, outputFunc, outputStream);
|
|
if (codeToGID) {
|
|
if (font8InfoLen >= font8InfoSize) {
|
|
font8InfoSize += 16;
|
|
font8Info = (PSFont8Info *)greallocn(font8Info,
|
|
font8InfoSize,
|
|
sizeof(PSFont8Info));
|
|
}
|
|
font8Info[font8InfoLen].fontID = *font->getID();
|
|
font8Info[font8InfoLen].codeToGID = codeToGID;
|
|
++font8InfoLen;
|
|
}
|
|
delete ffTT;
|
|
}
|
|
gfree(fontBuf);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
}
|
|
|
|
GString *PSOutputDev::setupExternalTrueTypeFont(GfxFont *font) {
|
|
GString *fileName;
|
|
char *fontBuf;
|
|
int fontLen;
|
|
FoFiTrueType *ffTT;
|
|
Gushort *codeToGID;
|
|
GString *psName;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
fileName = font->getExtFontFile();
|
|
for (i = 0; i < fontFileNameLen; ++i) {
|
|
if (!fontFileNames[i]->cmp(fileName)) {
|
|
return psFileNames[i]->copy();
|
|
}
|
|
}
|
|
|
|
psName = filterPSName(font->getName());
|
|
// add entry to fontFileNames list
|
|
if (i == fontFileNameLen) {
|
|
if (fontFileNameLen >= fontFileNameSize) {
|
|
fontFileNameSize += 64;
|
|
fontFileNames =
|
|
(GString **)greallocn(fontFileNames,
|
|
fontFileNameSize, sizeof(GString *));
|
|
psFileNames =
|
|
(GString **)greallocn(psFileNames,
|
|
fontFileNameSize, sizeof(GString *));
|
|
}
|
|
fontFileNames[fontFileNameLen] = fileName->copy();
|
|
psFileNames[fontFileNameLen] = psName->copy();
|
|
fontFileNameLen++;
|
|
}
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// convert it to a Type 42 font
|
|
fontBuf = font->readExtFontFile(&fontLen);
|
|
if ((ffTT = FoFiTrueType::make(fontBuf, fontLen))) {
|
|
codeToGID = ((Gfx8BitFont *)font)->getCodeToGIDMap(ffTT);
|
|
ffTT->convertToType42(psName->getCString(),
|
|
((Gfx8BitFont *)font)->getHasEncoding()
|
|
? ((Gfx8BitFont *)font)->getEncoding()
|
|
: (char **)NULL,
|
|
codeToGID, outputFunc, outputStream);
|
|
if (codeToGID) {
|
|
if (font8InfoLen >= font8InfoSize) {
|
|
font8InfoSize += 16;
|
|
font8Info = (PSFont8Info *)greallocn(font8Info,
|
|
font8InfoSize,
|
|
sizeof(PSFont8Info));
|
|
}
|
|
font8Info[font8InfoLen].fontID = *font->getID();
|
|
font8Info[font8InfoLen].codeToGID = codeToGID;
|
|
++font8InfoLen;
|
|
}
|
|
delete ffTT;
|
|
}
|
|
gfree(fontBuf);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
return psName;
|
|
}
|
|
|
|
GString *PSOutputDev::setupExternalCIDTrueTypeFont(GfxFont *font, GString *fileName, int faceIndex) {
|
|
FoFiTrueType *ffTT;
|
|
Gushort *codeToGID;
|
|
GString *psName;
|
|
int i;
|
|
GString *myFileName;
|
|
|
|
myFileName = fileName->copy();
|
|
if (faceIndex > 0) {
|
|
char tmp[32];
|
|
sprintf(tmp, ",%d", faceIndex);
|
|
myFileName->append(tmp);
|
|
}
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileNameLen; ++i) {
|
|
if (!fontFileNames[i]->cmp(myFileName)) {
|
|
delete myFileName;
|
|
return psFileNames[i]->copy();
|
|
}
|
|
}
|
|
|
|
psName = filterPSName(font->getName());
|
|
// add entry to fontFileNames list
|
|
if (i == fontFileNameLen) {
|
|
if (fontFileNameLen >= fontFileNameSize) {
|
|
fontFileNameSize += 64;
|
|
fontFileNames =
|
|
(GString **)grealloc(fontFileNames,
|
|
fontFileNameSize * sizeof(GString *));
|
|
psFileNames =
|
|
(GString **)grealloc(psFileNames,
|
|
fontFileNameSize * sizeof(GString *));
|
|
}
|
|
}
|
|
fontFileNames[fontFileNameLen] = myFileName;
|
|
psFileNames[fontFileNameLen] = psName->copy();
|
|
fontFileNameLen++;
|
|
|
|
// beginning comment
|
|
writePSFmt("%%%%BeginResource: font %s\n", psName->getCString());
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// convert it to a CID type2 font
|
|
if ((ffTT = FoFiTrueType::load(fileName->getCString(), faceIndex))) {
|
|
int n = ((GfxCIDFont *)font)->getCIDToGIDLen();
|
|
if (n) {
|
|
codeToGID = (Gushort *)gmalloc(n * sizeof(Gushort));
|
|
memcpy(codeToGID, ((GfxCIDFont *)font)->getCIDToGID(), n * sizeof(Gushort));
|
|
} else {
|
|
codeToGID = ((GfxCIDFont *)font)->getCodeToGIDMap(ffTT, &n);
|
|
}
|
|
if (globalParams->getPSLevel() >= psLevel3) {
|
|
// Level 3: use a CID font
|
|
ffTT->convertToCIDType2(psName->getCString(),
|
|
codeToGID, n, gTrue,
|
|
outputFunc, outputStream);
|
|
} else {
|
|
// otherwise: use a non-CID composite font
|
|
ffTT->convertToType0(psName->getCString(),
|
|
codeToGID, n, gTrue,
|
|
outputFunc, outputStream);
|
|
}
|
|
gfree(codeToGID);
|
|
delete ffTT;
|
|
}
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
return psName;
|
|
}
|
|
|
|
void PSOutputDev::setupEmbeddedCIDType0Font(GfxFont *font, Ref *id,
|
|
GString *psName) {
|
|
char *fontBuf;
|
|
int fontLen;
|
|
FoFiType1C *ffT1C;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileIDLen; ++i) {
|
|
if (fontFileIDs[i].num == id->num &&
|
|
fontFileIDs[i].gen == id->gen)
|
|
return;
|
|
}
|
|
|
|
// add entry to fontFileIDs list
|
|
if (fontFileIDLen >= fontFileIDSize) {
|
|
fontFileIDSize += 64;
|
|
fontFileIDs = (Ref *)greallocn(fontFileIDs, fontFileIDSize, sizeof(Ref));
|
|
}
|
|
fontFileIDs[fontFileIDLen++] = *id;
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// convert it to a Type 0 font
|
|
fontBuf = font->readEmbFontFile(xref, &fontLen);
|
|
if ((ffT1C = FoFiType1C::make(fontBuf, fontLen))) {
|
|
if (globalParams->getPSLevel() >= psLevel3) {
|
|
// Level 3: use a CID font
|
|
ffT1C->convertToCIDType0(psName->getCString(), outputFunc, outputStream);
|
|
} else {
|
|
// otherwise: use a non-CID composite font
|
|
ffT1C->convertToType0(psName->getCString(), outputFunc, outputStream);
|
|
}
|
|
delete ffT1C;
|
|
}
|
|
gfree(fontBuf);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
}
|
|
|
|
void PSOutputDev::setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id,
|
|
GString *psName,
|
|
GBool needVerticalMetrics) {
|
|
char *fontBuf;
|
|
int fontLen;
|
|
FoFiTrueType *ffTT;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileIDLen; ++i) {
|
|
if (fontFileIDs[i].num == id->num &&
|
|
fontFileIDs[i].gen == id->gen) {
|
|
psName->appendf("_{0:d}", nextTrueTypeNum++);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// add entry to fontFileIDs list
|
|
if (fontFileIDLen >= fontFileIDSize) {
|
|
fontFileIDSize += 64;
|
|
fontFileIDs = (Ref *)greallocn(fontFileIDs, fontFileIDSize, sizeof(Ref));
|
|
}
|
|
fontFileIDs[fontFileIDLen++] = *id;
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// convert it to a Type 0 font
|
|
fontBuf = font->readEmbFontFile(xref, &fontLen);
|
|
if ((ffTT = FoFiTrueType::make(fontBuf, fontLen))) {
|
|
if (globalParams->getPSLevel() >= psLevel3) {
|
|
// Level 3: use a CID font
|
|
ffTT->convertToCIDType2(psName->getCString(),
|
|
((GfxCIDFont *)font)->getCIDToGID(),
|
|
((GfxCIDFont *)font)->getCIDToGIDLen(),
|
|
needVerticalMetrics,
|
|
outputFunc, outputStream);
|
|
} else {
|
|
// otherwise: use a non-CID composite font
|
|
ffTT->convertToType0(psName->getCString(),
|
|
((GfxCIDFont *)font)->getCIDToGID(),
|
|
((GfxCIDFont *)font)->getCIDToGIDLen(),
|
|
needVerticalMetrics,
|
|
outputFunc, outputStream);
|
|
}
|
|
delete ffTT;
|
|
}
|
|
gfree(fontBuf);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
}
|
|
|
|
void PSOutputDev::setupEmbeddedOpenTypeCFFFont(GfxFont *font, Ref *id,
|
|
GString *psName) {
|
|
char *fontBuf;
|
|
int fontLen;
|
|
FoFiTrueType *ffTT;
|
|
int i;
|
|
|
|
// check if font is already embedded
|
|
for (i = 0; i < fontFileIDLen; ++i) {
|
|
if (fontFileIDs[i].num == id->num &&
|
|
fontFileIDs[i].gen == id->gen)
|
|
return;
|
|
}
|
|
|
|
// add entry to fontFileIDs list
|
|
if (fontFileIDLen >= fontFileIDSize) {
|
|
fontFileIDSize += 64;
|
|
fontFileIDs = (Ref *)greallocn(fontFileIDs, fontFileIDSize, sizeof(Ref));
|
|
}
|
|
fontFileIDs[fontFileIDLen++] = *id;
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// convert it to a Type 0 font
|
|
fontBuf = font->readEmbFontFile(xref, &fontLen);
|
|
if ((ffTT = FoFiTrueType::make(fontBuf, fontLen))) {
|
|
if (ffTT->isOpenTypeCFF()) {
|
|
if (globalParams->getPSLevel() >= psLevel3) {
|
|
// Level 3: use a CID font
|
|
ffTT->convertToCIDType0(psName->getCString(),
|
|
outputFunc, outputStream);
|
|
} else {
|
|
// otherwise: use a non-CID composite font
|
|
ffTT->convertToType0(psName->getCString(), outputFunc, outputStream);
|
|
}
|
|
}
|
|
delete ffTT;
|
|
}
|
|
gfree(fontBuf);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
}
|
|
|
|
void PSOutputDev::setupType3Font(GfxFont *font, GString *psName,
|
|
Dict *parentResDict) {
|
|
Dict *resDict;
|
|
Dict *charProcs;
|
|
Object charProc;
|
|
Gfx *gfx;
|
|
PDFRectangle box;
|
|
double *m;
|
|
GString *buf;
|
|
int i;
|
|
|
|
// set up resources used by font
|
|
if ((resDict = ((Gfx8BitFont *)font)->getResources())) {
|
|
inType3Char = gTrue;
|
|
setupResources(resDict);
|
|
inType3Char = gFalse;
|
|
} else {
|
|
resDict = parentResDict;
|
|
}
|
|
|
|
// beginning comment
|
|
writePSFmt("%%BeginResource: font {0:t}\n", psName);
|
|
embFontList->append("%%+ font ");
|
|
embFontList->append(psName->getCString());
|
|
embFontList->append("\n");
|
|
|
|
// font dictionary
|
|
writePS("8 dict begin\n");
|
|
writePS("/FontType 3 def\n");
|
|
m = font->getFontMatrix();
|
|
writePSFmt("/FontMatrix [{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g}] def\n",
|
|
m[0], m[1], m[2], m[3], m[4], m[5]);
|
|
m = font->getFontBBox();
|
|
writePSFmt("/FontBBox [{0:.4g} {1:.4g} {2:.4g} {3:.4g}] def\n",
|
|
m[0], m[1], m[2], m[3]);
|
|
writePS("/Encoding 256 array def\n");
|
|
writePS(" 0 1 255 { Encoding exch /.notdef put } for\n");
|
|
writePS("/BuildGlyph {\n");
|
|
writePS(" exch /CharProcs get exch\n");
|
|
writePS(" 2 copy known not { pop /.notdef } if\n");
|
|
writePS(" get exec\n");
|
|
writePS("} bind def\n");
|
|
writePS("/BuildChar {\n");
|
|
writePS(" 1 index /Encoding get exch get\n");
|
|
writePS(" 1 index /BuildGlyph get exec\n");
|
|
writePS("} bind def\n");
|
|
if ((charProcs = ((Gfx8BitFont *)font)->getCharProcs())) {
|
|
writePSFmt("/CharProcs {0:d} dict def\n", charProcs->getLength());
|
|
writePS("CharProcs begin\n");
|
|
box.x1 = m[0];
|
|
box.y1 = m[1];
|
|
box.x2 = m[2];
|
|
box.y2 = m[3];
|
|
gfx = new Gfx(xref, this, resDict, &box, NULL);
|
|
inType3Char = gTrue;
|
|
for (i = 0; i < charProcs->getLength(); ++i) {
|
|
t3Cacheable = gFalse;
|
|
t3NeedsRestore = gFalse;
|
|
writePS("/");
|
|
writePSName(charProcs->getKey(i));
|
|
writePS(" {\n");
|
|
gfx->display(charProcs->getVal(i, &charProc));
|
|
charProc.free();
|
|
if (t3String) {
|
|
if (t3Cacheable) {
|
|
buf = GString::format("{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g} setcachedevice\n",
|
|
t3WX, t3WY, t3LLX, t3LLY, t3URX, t3URY);
|
|
} else {
|
|
buf = GString::format("{0:.4g} {1:.4g} setcharwidth\n", t3WX, t3WY);
|
|
}
|
|
(*outputFunc)(outputStream, buf->getCString(), buf->getLength());
|
|
delete buf;
|
|
(*outputFunc)(outputStream, t3String->getCString(),
|
|
t3String->getLength());
|
|
delete t3String;
|
|
t3String = NULL;
|
|
}
|
|
if (t3NeedsRestore) {
|
|
(*outputFunc)(outputStream, "Q\n", 2);
|
|
}
|
|
writePS("} def\n");
|
|
}
|
|
inType3Char = gFalse;
|
|
delete gfx;
|
|
writePS("end\n");
|
|
}
|
|
writePS("currentdict end\n");
|
|
writePSFmt("/{0:t} exch definefont pop\n", psName);
|
|
|
|
// ending comment
|
|
writePS("%%EndResource\n");
|
|
}
|
|
|
|
void PSOutputDev::setupImages(Dict *resDict) {
|
|
Object xObjDict, xObj, xObjRef, subtypeObj;
|
|
int i;
|
|
|
|
if (!(mode == psModeForm || inType3Char || preload)) {
|
|
return;
|
|
}
|
|
|
|
resDict->lookup("XObject", &xObjDict);
|
|
if (xObjDict.isDict()) {
|
|
for (i = 0; i < xObjDict.dictGetLength(); ++i) {
|
|
xObjDict.dictGetValNF(i, &xObjRef);
|
|
xObjDict.dictGetVal(i, &xObj);
|
|
if (xObj.isStream()) {
|
|
xObj.streamGetDict()->lookup("Subtype", &subtypeObj);
|
|
if (subtypeObj.isName("Image")) {
|
|
if (xObjRef.isRef()) {
|
|
setupImage(xObjRef.getRef(), xObj.getStream());
|
|
} else {
|
|
error(-1, "Image in resource dict is not an indirect reference");
|
|
}
|
|
}
|
|
subtypeObj.free();
|
|
}
|
|
xObj.free();
|
|
xObjRef.free();
|
|
}
|
|
}
|
|
xObjDict.free();
|
|
}
|
|
|
|
void PSOutputDev::setupImage(Ref id, Stream *str) {
|
|
GBool useRLE, useCompressed, useASCIIHex;
|
|
GString *s;
|
|
int c;
|
|
int size, line, col, i;
|
|
|
|
// check if image is already setup
|
|
for (i = 0; i < imgIDLen; ++i) {
|
|
if (imgIDs[i].num == id.num && imgIDs[i].gen == id.gen) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// add entry to imgIDs list
|
|
if (imgIDLen >= imgIDSize) {
|
|
if (imgIDSize == 0) {
|
|
imgIDSize = 64;
|
|
} else {
|
|
imgIDSize *= 2;
|
|
}
|
|
imgIDs = (Ref *)greallocn(imgIDs, imgIDSize, sizeof(Ref));
|
|
}
|
|
imgIDs[imgIDLen++] = id;
|
|
|
|
// filters
|
|
//~ this does not correctly handle the DeviceN color space
|
|
//~ -- need to use DeviceNRecoder
|
|
if (level < psLevel2) {
|
|
useRLE = gFalse;
|
|
useCompressed = gFalse;
|
|
useASCIIHex = gTrue;
|
|
} else {
|
|
s = str->getPSFilter(level < psLevel3 ? 2 : 3, "");
|
|
if (s) {
|
|
useRLE = gFalse;
|
|
useCompressed = gTrue;
|
|
delete s;
|
|
} else {
|
|
useRLE = gTrue;
|
|
useCompressed = gFalse;
|
|
}
|
|
useASCIIHex = level == psLevel1 || level == psLevel1Sep ||
|
|
globalParams->getPSASCIIHex();
|
|
}
|
|
if (useCompressed) {
|
|
str = str->getUndecodedStream();
|
|
}
|
|
if (useRLE) {
|
|
str = new RunLengthEncoder(str);
|
|
}
|
|
if (useASCIIHex) {
|
|
str = new ASCIIHexEncoder(str);
|
|
} else {
|
|
str = new ASCII85Encoder(str);
|
|
}
|
|
|
|
// compute image data size
|
|
str->reset();
|
|
col = size = 0;
|
|
do {
|
|
do {
|
|
c = str->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == (useASCIIHex ? '>' : '~') || c == EOF) {
|
|
break;
|
|
}
|
|
if (c == 'z') {
|
|
++col;
|
|
} else {
|
|
++col;
|
|
for (i = 1; i <= (useASCIIHex ? 1 : 4); ++i) {
|
|
do {
|
|
c = str->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == (useASCIIHex ? '>' : '~') || c == EOF) {
|
|
break;
|
|
}
|
|
++col;
|
|
}
|
|
}
|
|
if (col > 225) {
|
|
++size;
|
|
col = 0;
|
|
}
|
|
} while (c != (useASCIIHex ? '>' : '~') && c != EOF);
|
|
// add one entry for the final line of data; add another entry
|
|
// because the RunLengthDecode filter may read past the end
|
|
++size;
|
|
if (useRLE) {
|
|
++size;
|
|
}
|
|
writePSFmt("{0:d} array dup /ImData_{1:d}_{2:d} exch def\n",
|
|
size, id.num, id.gen);
|
|
str->close();
|
|
|
|
// write the data into the array
|
|
str->reset();
|
|
line = col = 0;
|
|
writePS((char *)(useASCIIHex ? "dup 0 <" : "dup 0 <~"));
|
|
do {
|
|
do {
|
|
c = str->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == (useASCIIHex ? '>' : '~') || c == EOF) {
|
|
break;
|
|
}
|
|
if (c == 'z') {
|
|
writePSChar(c);
|
|
++col;
|
|
} else {
|
|
writePSChar(c);
|
|
++col;
|
|
for (i = 1; i <= (useASCIIHex ? 1 : 4); ++i) {
|
|
do {
|
|
c = str->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == (useASCIIHex ? '>' : '~') || c == EOF) {
|
|
break;
|
|
}
|
|
writePSChar(c);
|
|
++col;
|
|
}
|
|
}
|
|
// each line is: "dup nnnnn <~...data...~> put<eol>"
|
|
// so max data length = 255 - 20 = 235
|
|
// chunks are 1 or 4 bytes each, so we have to stop at 232
|
|
// but make it 225 just to be safe
|
|
if (col > 225) {
|
|
writePS((char *)(useASCIIHex ? "> put\n" : "~> put\n"));
|
|
++line;
|
|
writePSFmt((char *)(useASCIIHex ? "dup {0:d} <" : "dup {0:d} <~"), line);
|
|
col = 0;
|
|
}
|
|
} while (c != (useASCIIHex ? '>' : '~') && c != EOF);
|
|
writePS((char *)(useASCIIHex ? "> put\n" : "~> put\n"));
|
|
if (useRLE) {
|
|
++line;
|
|
writePSFmt("{0:d} <> put\n", line);
|
|
} else {
|
|
writePS("pop\n");
|
|
}
|
|
str->close();
|
|
|
|
delete str;
|
|
}
|
|
|
|
void PSOutputDev::setupForms(Dict *resDict) {
|
|
Object xObjDict, xObj, xObjRef, subtypeObj;
|
|
int i;
|
|
|
|
if (!preload) {
|
|
return;
|
|
}
|
|
|
|
resDict->lookup("XObject", &xObjDict);
|
|
if (xObjDict.isDict()) {
|
|
for (i = 0; i < xObjDict.dictGetLength(); ++i) {
|
|
xObjDict.dictGetValNF(i, &xObjRef);
|
|
xObjDict.dictGetVal(i, &xObj);
|
|
if (xObj.isStream()) {
|
|
xObj.streamGetDict()->lookup("Subtype", &subtypeObj);
|
|
if (subtypeObj.isName("Form")) {
|
|
if (xObjRef.isRef()) {
|
|
setupForm(xObjRef.getRef(), &xObj);
|
|
} else {
|
|
error(-1, "Form in resource dict is not an indirect reference");
|
|
}
|
|
}
|
|
subtypeObj.free();
|
|
}
|
|
xObj.free();
|
|
xObjRef.free();
|
|
}
|
|
}
|
|
xObjDict.free();
|
|
}
|
|
|
|
void PSOutputDev::setupForm(Ref id, Object *strObj) {
|
|
Dict *dict, *resDict;
|
|
Object matrixObj, bboxObj, resObj, obj1;
|
|
double m[6], bbox[4];
|
|
PDFRectangle box;
|
|
Gfx *gfx;
|
|
int i;
|
|
|
|
// check if form is already defined
|
|
for (i = 0; i < formIDLen; ++i) {
|
|
if (formIDs[i].num == id.num && formIDs[i].gen == id.gen) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// add entry to formIDs list
|
|
if (formIDLen >= formIDSize) {
|
|
if (formIDSize == 0) {
|
|
formIDSize = 64;
|
|
} else {
|
|
formIDSize *= 2;
|
|
}
|
|
formIDs = (Ref *)greallocn(formIDs, formIDSize, sizeof(Ref));
|
|
}
|
|
formIDs[formIDLen++] = id;
|
|
|
|
dict = strObj->streamGetDict();
|
|
|
|
// get bounding box
|
|
dict->lookup("BBox", &bboxObj);
|
|
if (!bboxObj.isArray()) {
|
|
bboxObj.free();
|
|
error(-1, "Bad form bounding box");
|
|
return;
|
|
}
|
|
for (i = 0; i < 4; ++i) {
|
|
bboxObj.arrayGet(i, &obj1);
|
|
bbox[i] = obj1.getNum();
|
|
obj1.free();
|
|
}
|
|
bboxObj.free();
|
|
|
|
// get matrix
|
|
dict->lookup("Matrix", &matrixObj);
|
|
if (matrixObj.isArray()) {
|
|
for (i = 0; i < 6; ++i) {
|
|
matrixObj.arrayGet(i, &obj1);
|
|
m[i] = obj1.getNum();
|
|
obj1.free();
|
|
}
|
|
} else {
|
|
m[0] = 1; m[1] = 0;
|
|
m[2] = 0; m[3] = 1;
|
|
m[4] = 0; m[5] = 0;
|
|
}
|
|
matrixObj.free();
|
|
|
|
// get resources
|
|
dict->lookup("Resources", &resObj);
|
|
resDict = resObj.isDict() ? resObj.getDict() : (Dict *)NULL;
|
|
|
|
writePSFmt("/f_{0:d}_{1:d} {{\n", id.num, id.gen);
|
|
writePS("q\n");
|
|
writePSFmt("[{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g}] cm\n",
|
|
m[0], m[1], m[2], m[3], m[4], m[5]);
|
|
|
|
box.x1 = bbox[0];
|
|
box.y1 = bbox[1];
|
|
box.x2 = bbox[2];
|
|
box.y2 = bbox[3];
|
|
gfx = new Gfx(xref, this, resDict, &box, &box);
|
|
gfx->display(strObj);
|
|
delete gfx;
|
|
|
|
writePS("Q\n");
|
|
writePS("} def\n");
|
|
|
|
resObj.free();
|
|
}
|
|
|
|
GBool PSOutputDev::checkPageSlice(Page *page, double /*hDPI*/, double /*vDPI*/,
|
|
int rotateA, GBool useMediaBox, GBool crop,
|
|
int sliceX, int sliceY,
|
|
int sliceW, int sliceH,
|
|
GBool printing, Catalog *catalog,
|
|
GBool (*abortCheckCbk)(void *data),
|
|
void *abortCheckCbkData) {
|
|
#if HAVE_SPLASH
|
|
PreScanOutputDev *scan;
|
|
GBool rasterize;
|
|
SplashOutputDev *splashOut;
|
|
SplashColor paperColor;
|
|
PDFRectangle box;
|
|
GfxState *state;
|
|
SplashBitmap *bitmap;
|
|
Stream *str0, *str;
|
|
Object obj;
|
|
Guchar *p;
|
|
Guchar col[4];
|
|
double m0, m1, m2, m3, m4, m5;
|
|
int c, w, h, x, y, comp, i;
|
|
|
|
if (!forceRasterize) {
|
|
scan = new PreScanOutputDev();
|
|
page->displaySlice(scan, 72, 72, rotateA, useMediaBox, crop,
|
|
sliceX, sliceY, sliceW, sliceH,
|
|
printing, catalog, abortCheckCbk, abortCheckCbkData);
|
|
rasterize = scan->usesTransparency();
|
|
delete scan;
|
|
} else {
|
|
rasterize = true;
|
|
}
|
|
if (!rasterize) {
|
|
return gTrue;
|
|
}
|
|
|
|
// rasterize the page
|
|
if (level == psLevel1) {
|
|
paperColor[0] = 0xff;
|
|
splashOut = new SplashOutputDev(splashModeMono8, 1, gFalse,
|
|
paperColor, gTrue, gFalse);
|
|
#if SPLASH_CMYK
|
|
} else if (level == psLevel1Sep) {
|
|
paperColor[0] = paperColor[1] = paperColor[2] = paperColor[3] = 0;
|
|
splashOut = new SplashOutputDev(splashModeCMYK8, 1, gFalse,
|
|
paperColor, gTrue, gFalse);
|
|
#endif
|
|
} else {
|
|
paperColor[0] = paperColor[1] = paperColor[2] = 0xff;
|
|
splashOut = new SplashOutputDev(splashModeRGB8, 1, gFalse,
|
|
paperColor, gTrue, gFalse);
|
|
}
|
|
splashOut->startDoc(xref);
|
|
page->displaySlice(splashOut, splashDPI, splashDPI, rotateA,
|
|
useMediaBox, crop,
|
|
sliceX, sliceY, sliceW, sliceH,
|
|
printing, catalog, abortCheckCbk, abortCheckCbkData);
|
|
|
|
// start the PS page
|
|
page->makeBox(splashDPI, splashDPI, rotateA, useMediaBox, gFalse,
|
|
sliceX, sliceY, sliceW, sliceH, &box, &crop);
|
|
rotateA += page->getRotate();
|
|
if (rotateA >= 360) {
|
|
rotateA -= 360;
|
|
} else if (rotateA < 0) {
|
|
rotateA += 360;
|
|
}
|
|
state = new GfxState(splashDPI, splashDPI, &box, rotateA, gFalse);
|
|
startPage(page->getNum(), state);
|
|
delete state;
|
|
switch (rotateA) {
|
|
case 0:
|
|
default: // this should never happen
|
|
m0 = box.x2 - box.x1;
|
|
m1 = 0;
|
|
m2 = 0;
|
|
m3 = box.y2 - box.y1;
|
|
m4 = box.x1;
|
|
m5 = box.y1;
|
|
break;
|
|
case 90:
|
|
m0 = 0;
|
|
m1 = box.y2 - box.y1;
|
|
m2 = -(box.x2 - box.x1);
|
|
m3 = 0;
|
|
m4 = box.x2;
|
|
m5 = box.y1;
|
|
break;
|
|
case 180:
|
|
m0 = -(box.x2 - box.x1);
|
|
m1 = 0;
|
|
m2 = 0;
|
|
m3 = -(box.y2 - box.y1);
|
|
m4 = box.x2;
|
|
m5 = box.y2;
|
|
break;
|
|
case 270:
|
|
m0 = 0;
|
|
m1 = -(box.y2 - box.y1);
|
|
m2 = box.x2 - box.x1;
|
|
m3 = 0;
|
|
m4 = box.x1;
|
|
m5 = box.y2;
|
|
break;
|
|
}
|
|
|
|
//~ need to add the process colors
|
|
|
|
// draw the rasterized image
|
|
bitmap = splashOut->getBitmap();
|
|
w = bitmap->getWidth();
|
|
h = bitmap->getHeight();
|
|
writePS("gsave\n");
|
|
writePSFmt("[{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g}] concat\n",
|
|
m0, m1, m2, m3, m4, m5);
|
|
switch (level) {
|
|
case psLevel1:
|
|
writePSFmt("{0:d} {1:d} 8 [{2:d} 0 0 {3:d} 0 {4:d}] pdfIm1\n",
|
|
w, h, w, -h, h);
|
|
p = bitmap->getDataPtr();
|
|
i = 0;
|
|
for (y = 0; y < h; ++y) {
|
|
for (x = 0; x < w; ++x) {
|
|
writePSFmt("{0:02x}", *p++);
|
|
if (++i == 32) {
|
|
writePSChar('\n');
|
|
i = 0;
|
|
}
|
|
}
|
|
}
|
|
if (i != 0) {
|
|
writePSChar('\n');
|
|
}
|
|
break;
|
|
case psLevel1Sep:
|
|
writePSFmt("{0:d} {1:d} 8 [{2:d} 0 0 {3:d} 0 {4:d}] pdfIm1Sep\n",
|
|
w, h, w, -h, h);
|
|
p = bitmap->getDataPtr();
|
|
i = 0;
|
|
col[0] = col[1] = col[2] = col[3] = 0;
|
|
for (y = 0; y < h; ++y) {
|
|
for (comp = 0; comp < 4; ++comp) {
|
|
for (x = 0; x < w; ++x) {
|
|
writePSFmt("{0:02x}", p[4*x + comp]);
|
|
col[comp] |= p[4*x + comp];
|
|
if (++i == 32) {
|
|
writePSChar('\n');
|
|
i = 0;
|
|
}
|
|
}
|
|
}
|
|
p += bitmap->getRowSize();
|
|
}
|
|
if (i != 0) {
|
|
writePSChar('\n');
|
|
}
|
|
if (col[0]) {
|
|
processColors |= psProcessCyan;
|
|
}
|
|
if (col[1]) {
|
|
processColors |= psProcessMagenta;
|
|
}
|
|
if (col[2]) {
|
|
processColors |= psProcessYellow;
|
|
}
|
|
if (col[3]) {
|
|
processColors |= psProcessBlack;
|
|
}
|
|
break;
|
|
case psLevel2:
|
|
case psLevel2Sep:
|
|
case psLevel3:
|
|
case psLevel3Sep:
|
|
writePS("/DeviceRGB setcolorspace\n");
|
|
writePS("<<\n /ImageType 1\n");
|
|
writePSFmt(" /Width {0:d}\n", bitmap->getWidth());
|
|
writePSFmt(" /Height {0:d}\n", bitmap->getHeight());
|
|
writePSFmt(" /ImageMatrix [{0:d} 0 0 {1:d} 0 {2:d}]\n", w, -h, h);
|
|
writePS(" /BitsPerComponent 8\n");
|
|
writePS(" /Decode [0 1 0 1 0 1]\n");
|
|
writePS(" /DataSource currentfile\n");
|
|
if (globalParams->getPSASCIIHex()) {
|
|
writePS(" /ASCIIHexDecode filter\n");
|
|
} else {
|
|
writePS(" /ASCII85Decode filter\n");
|
|
}
|
|
writePS(" /RunLengthDecode filter\n");
|
|
writePS(">>\n");
|
|
writePS("image\n");
|
|
obj.initNull();
|
|
str0 = new MemStream((char *)bitmap->getDataPtr(), 0, w * h * 3, &obj);
|
|
str = new RunLengthEncoder(str0);
|
|
if (globalParams->getPSASCIIHex()) {
|
|
str = new ASCIIHexEncoder(str);
|
|
} else {
|
|
str = new ASCII85Encoder(str);
|
|
}
|
|
str->reset();
|
|
while ((c = str->getChar()) != EOF) {
|
|
writePSChar(c);
|
|
}
|
|
str->close();
|
|
delete str;
|
|
delete str0;
|
|
processColors |= psProcessCMYK;
|
|
break;
|
|
}
|
|
delete splashOut;
|
|
writePS("grestore\n");
|
|
|
|
// finish the PS page
|
|
endPage();
|
|
|
|
return gFalse;
|
|
#else
|
|
return gTrue;
|
|
#endif
|
|
}
|
|
|
|
void PSOutputDev::startPage(int pageNum, GfxState *state) {
|
|
int x1, y1, x2, y2, width, height;
|
|
int imgWidth, imgHeight, imgWidth2, imgHeight2;
|
|
GBool landscape;
|
|
|
|
|
|
if (mode == psModePS) {
|
|
writePSFmt("%%Page: {0:d} {1:d}\n", pageNum, seqPage);
|
|
writePS("%%BeginPageSetup\n");
|
|
}
|
|
|
|
// underlays
|
|
if (underlayCbk) {
|
|
(*underlayCbk)(this, underlayCbkData);
|
|
}
|
|
if (overlayCbk) {
|
|
saveState(NULL);
|
|
}
|
|
|
|
switch (mode) {
|
|
|
|
case psModePS:
|
|
// rotate, translate, and scale page
|
|
imgWidth = imgURX - imgLLX;
|
|
imgHeight = imgURY - imgLLY;
|
|
x1 = (int)floor(state->getX1());
|
|
y1 = (int)floor(state->getY1());
|
|
x2 = (int)ceil(state->getX2());
|
|
y2 = (int)ceil(state->getY2());
|
|
width = x2 - x1;
|
|
height = y2 - y1;
|
|
tx = ty = 0;
|
|
// rotation and portrait/landscape mode
|
|
if (rotate0 >= 0) {
|
|
rotate = (360 - rotate0) % 360;
|
|
landscape = gFalse;
|
|
} else {
|
|
rotate = (360 - state->getRotate()) % 360;
|
|
if (rotate == 0 || rotate == 180) {
|
|
if (width > height && width > imgWidth) {
|
|
rotate += 90;
|
|
landscape = gTrue;
|
|
} else {
|
|
landscape = gFalse;
|
|
}
|
|
} else { // rotate == 90 || rotate == 270
|
|
if (height > width && height > imgWidth) {
|
|
rotate = 270 - rotate;
|
|
landscape = gTrue;
|
|
} else {
|
|
landscape = gFalse;
|
|
}
|
|
}
|
|
}
|
|
writePSFmt("%%PageOrientation: {0:s}\n",
|
|
landscape ? "Landscape" : "Portrait");
|
|
writePS("pdfStartPage\n");
|
|
if (rotate == 0) {
|
|
imgWidth2 = imgWidth;
|
|
imgHeight2 = imgHeight;
|
|
} else if (rotate == 90) {
|
|
writePS("90 rotate\n");
|
|
ty = -imgWidth;
|
|
imgWidth2 = imgHeight;
|
|
imgHeight2 = imgWidth;
|
|
} else if (rotate == 180) {
|
|
writePS("180 rotate\n");
|
|
imgWidth2 = imgWidth;
|
|
imgHeight2 = imgHeight;
|
|
tx = -imgWidth;
|
|
ty = -imgHeight;
|
|
} else { // rotate == 270
|
|
writePS("270 rotate\n");
|
|
tx = -imgHeight;
|
|
imgWidth2 = imgHeight;
|
|
imgHeight2 = imgWidth;
|
|
}
|
|
// shrink or expand
|
|
if (xScale0 > 0 && yScale0 > 0) {
|
|
xScale = xScale0;
|
|
yScale = yScale0;
|
|
} else if ((globalParams->getPSShrinkLarger() &&
|
|
(width > imgWidth2 || height > imgHeight2)) ||
|
|
(globalParams->getPSExpandSmaller() &&
|
|
(width < imgWidth2 && height < imgHeight2))) {
|
|
xScale = (double)imgWidth2 / (double)width;
|
|
yScale = (double)imgHeight2 / (double)height;
|
|
if (yScale < xScale) {
|
|
xScale = yScale;
|
|
} else {
|
|
yScale = xScale;
|
|
}
|
|
} else {
|
|
xScale = yScale = 1;
|
|
}
|
|
// deal with odd bounding boxes or clipping
|
|
if (clipLLX0 < clipURX0 && clipLLY0 < clipURY0) {
|
|
tx -= xScale * clipLLX0;
|
|
ty -= yScale * clipLLY0;
|
|
} else {
|
|
tx -= xScale * x1;
|
|
ty -= yScale * y1;
|
|
}
|
|
// center
|
|
if (tx0 >= 0 && ty0 >= 0) {
|
|
tx += rotate == 0 ? tx0 : ty0;
|
|
ty += rotate == 0 ? ty0 : -tx0;
|
|
} else if (globalParams->getPSCenter()) {
|
|
if (clipLLX0 < clipURX0 && clipLLY0 < clipURY0) {
|
|
tx += (imgWidth2 - xScale * (clipURX0 - clipLLX0)) / 2;
|
|
ty += (imgHeight2 - yScale * (clipURY0 - clipLLY0)) / 2;
|
|
} else {
|
|
tx += (imgWidth2 - xScale * width) / 2;
|
|
ty += (imgHeight2 - yScale * height) / 2;
|
|
}
|
|
}
|
|
tx += rotate == 0 ? imgLLX : imgLLY;
|
|
ty += rotate == 0 ? imgLLY : -imgLLX;
|
|
if (tx != 0 || ty != 0) {
|
|
writePSFmt("{0:.4g} {1:.4g} translate\n", tx, ty);
|
|
}
|
|
if (xScale != 1 || yScale != 1) {
|
|
writePSFmt("{0:.4f} {1:.4f} scale\n", xScale, yScale);
|
|
}
|
|
if (clipLLX0 < clipURX0 && clipLLY0 < clipURY0) {
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} re W\n",
|
|
clipLLX0, clipLLY0, clipURX0 - clipLLX0, clipURY0 - clipLLY0);
|
|
} else {
|
|
writePSFmt("{0:d} {1:d} {2:d} {3:d} re W\n", x1, y1, x2 - x1, y2 - y1);
|
|
}
|
|
|
|
writePS("%%EndPageSetup\n");
|
|
++seqPage;
|
|
break;
|
|
|
|
case psModeEPS:
|
|
writePS("pdfStartPage\n");
|
|
tx = ty = 0;
|
|
rotate = (360 - state->getRotate()) % 360;
|
|
if (rotate == 0) {
|
|
} else if (rotate == 90) {
|
|
writePS("90 rotate\n");
|
|
tx = -epsX1;
|
|
ty = -epsY2;
|
|
} else if (rotate == 180) {
|
|
writePS("180 rotate\n");
|
|
tx = -(epsX1 + epsX2);
|
|
ty = -(epsY1 + epsY2);
|
|
} else { // rotate == 270
|
|
writePS("270 rotate\n");
|
|
tx = -epsX2;
|
|
ty = -epsY1;
|
|
}
|
|
if (tx != 0 || ty != 0) {
|
|
writePSFmt("{0:.4g} {1:.4g} translate\n", tx, ty);
|
|
}
|
|
xScale = yScale = 1;
|
|
break;
|
|
|
|
case psModeForm:
|
|
writePS("/PaintProc {\n");
|
|
writePS("begin xpdf begin\n");
|
|
writePS("pdfStartPage\n");
|
|
tx = ty = 0;
|
|
xScale = yScale = 1;
|
|
rotate = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::endPage() {
|
|
if (overlayCbk) {
|
|
restoreState(NULL);
|
|
(*overlayCbk)(this, overlayCbkData);
|
|
}
|
|
|
|
|
|
if (mode == psModeForm) {
|
|
writePS("pdfEndPage\n");
|
|
writePS("end end\n");
|
|
writePS("} def\n");
|
|
writePS("end end\n");
|
|
} else {
|
|
if (!manualCtrl) {
|
|
writePS("showpage\n");
|
|
}
|
|
writePS("%%PageTrailer\n");
|
|
writePageTrailer();
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::saveState(GfxState * /*state*/) {
|
|
writePS("q\n");
|
|
++numSaves;
|
|
}
|
|
|
|
void PSOutputDev::restoreState(GfxState * /*state*/) {
|
|
writePS("Q\n");
|
|
--numSaves;
|
|
}
|
|
|
|
void PSOutputDev::updateCTM(GfxState * /*state*/, double m11, double m12,
|
|
double m21, double m22, double m31, double m32) {
|
|
writePSFmt("[{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g}] cm\n",
|
|
m11, m12, m21, m22, m31, m32);
|
|
}
|
|
|
|
void PSOutputDev::updateLineDash(GfxState *state) {
|
|
double *dash;
|
|
double start;
|
|
int length, i;
|
|
|
|
state->getLineDash(&dash, &length, &start);
|
|
writePS("[");
|
|
for (i = 0; i < length; ++i) {
|
|
writePSFmt("{0:.4g}{1:w}",
|
|
dash[i] < 0 ? 0 : dash[i],
|
|
(i == length-1) ? 0 : 1);
|
|
}
|
|
writePSFmt("] {0:.4g} d\n", start);
|
|
}
|
|
|
|
void PSOutputDev::updateFlatness(GfxState *state) {
|
|
writePSFmt("{0:d} i\n", state->getFlatness());
|
|
}
|
|
|
|
void PSOutputDev::updateLineJoin(GfxState *state) {
|
|
writePSFmt("{0:d} j\n", state->getLineJoin());
|
|
}
|
|
|
|
void PSOutputDev::updateLineCap(GfxState *state) {
|
|
writePSFmt("{0:d} J\n", state->getLineCap());
|
|
}
|
|
|
|
void PSOutputDev::updateMiterLimit(GfxState *state) {
|
|
writePSFmt("{0:.4g} M\n", state->getMiterLimit());
|
|
}
|
|
|
|
void PSOutputDev::updateLineWidth(GfxState *state) {
|
|
writePSFmt("{0:.4g} w\n", state->getLineWidth());
|
|
}
|
|
|
|
void PSOutputDev::updateFillColorSpace(GfxState *state) {
|
|
switch (level) {
|
|
case psLevel1:
|
|
case psLevel1Sep:
|
|
break;
|
|
case psLevel2:
|
|
case psLevel3:
|
|
if (state->getFillColorSpace()->getMode() != csPattern) {
|
|
dumpColorSpaceL2(state->getFillColorSpace(), gTrue, gFalse, gFalse);
|
|
writePS(" cs\n");
|
|
}
|
|
break;
|
|
case psLevel2Sep:
|
|
case psLevel3Sep:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::updateStrokeColorSpace(GfxState *state) {
|
|
switch (level) {
|
|
case psLevel1:
|
|
case psLevel1Sep:
|
|
break;
|
|
case psLevel2:
|
|
case psLevel3:
|
|
if (state->getStrokeColorSpace()->getMode() != csPattern) {
|
|
dumpColorSpaceL2(state->getStrokeColorSpace(), gTrue, gFalse, gFalse);
|
|
writePS(" CS\n");
|
|
}
|
|
break;
|
|
case psLevel2Sep:
|
|
case psLevel3Sep:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::updateFillColor(GfxState *state) {
|
|
GfxColor color;
|
|
GfxColor *colorPtr;
|
|
GfxGray gray;
|
|
GfxCMYK cmyk;
|
|
GfxSeparationColorSpace *sepCS;
|
|
double c, m, y, k;
|
|
int i;
|
|
|
|
switch (level) {
|
|
case psLevel1:
|
|
state->getFillGray(&gray);
|
|
writePSFmt("{0:.4g} g\n", colToDbl(gray));
|
|
break;
|
|
case psLevel1Sep:
|
|
state->getFillCMYK(&cmyk);
|
|
c = colToDbl(cmyk.c);
|
|
m = colToDbl(cmyk.m);
|
|
y = colToDbl(cmyk.y);
|
|
k = colToDbl(cmyk.k);
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} k\n", c, m, y, k);
|
|
addProcessColor(c, m, y, k);
|
|
break;
|
|
case psLevel2:
|
|
case psLevel3:
|
|
if (state->getFillColorSpace()->getMode() != csPattern) {
|
|
colorPtr = state->getFillColor();
|
|
writePS("[");
|
|
for (i = 0; i < state->getFillColorSpace()->getNComps(); ++i) {
|
|
if (i > 0) {
|
|
writePS(" ");
|
|
}
|
|
writePSFmt("{0:.4g}", colToDbl(colorPtr->c[i]));
|
|
}
|
|
writePS("] sc\n");
|
|
}
|
|
break;
|
|
case psLevel2Sep:
|
|
case psLevel3Sep:
|
|
if (state->getFillColorSpace()->getMode() == csSeparation) {
|
|
sepCS = (GfxSeparationColorSpace *)state->getFillColorSpace();
|
|
color.c[0] = gfxColorComp1;
|
|
sepCS->getCMYK(&color, &cmyk);
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} ({5:t}) ck\n",
|
|
colToDbl(state->getFillColor()->c[0]),
|
|
colToDbl(cmyk.c), colToDbl(cmyk.m),
|
|
colToDbl(cmyk.y), colToDbl(cmyk.k),
|
|
sepCS->getName());
|
|
addCustomColor(sepCS);
|
|
} else {
|
|
state->getFillCMYK(&cmyk);
|
|
c = colToDbl(cmyk.c);
|
|
m = colToDbl(cmyk.m);
|
|
y = colToDbl(cmyk.y);
|
|
k = colToDbl(cmyk.k);
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} k\n", c, m, y, k);
|
|
addProcessColor(c, m, y, k);
|
|
}
|
|
break;
|
|
}
|
|
t3Cacheable = gFalse;
|
|
}
|
|
|
|
void PSOutputDev::updateStrokeColor(GfxState *state) {
|
|
GfxColor color;
|
|
GfxColor *colorPtr;
|
|
GfxGray gray;
|
|
GfxCMYK cmyk;
|
|
GfxSeparationColorSpace *sepCS;
|
|
double c, m, y, k;
|
|
int i;
|
|
|
|
switch (level) {
|
|
case psLevel1:
|
|
state->getStrokeGray(&gray);
|
|
writePSFmt("{0:.4g} G\n", colToDbl(gray));
|
|
break;
|
|
case psLevel1Sep:
|
|
state->getStrokeCMYK(&cmyk);
|
|
c = colToDbl(cmyk.c);
|
|
m = colToDbl(cmyk.m);
|
|
y = colToDbl(cmyk.y);
|
|
k = colToDbl(cmyk.k);
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} K\n", c, m, y, k);
|
|
addProcessColor(c, m, y, k);
|
|
break;
|
|
case psLevel2:
|
|
case psLevel3:
|
|
if (state->getStrokeColorSpace()->getMode() != csPattern) {
|
|
colorPtr = state->getStrokeColor();
|
|
writePS("[");
|
|
for (i = 0; i < state->getStrokeColorSpace()->getNComps(); ++i) {
|
|
if (i > 0) {
|
|
writePS(" ");
|
|
}
|
|
writePSFmt("{0:.4g}", colToDbl(colorPtr->c[i]));
|
|
}
|
|
writePS("] SC\n");
|
|
}
|
|
break;
|
|
case psLevel2Sep:
|
|
case psLevel3Sep:
|
|
if (state->getStrokeColorSpace()->getMode() == csSeparation) {
|
|
sepCS = (GfxSeparationColorSpace *)state->getStrokeColorSpace();
|
|
color.c[0] = gfxColorComp1;
|
|
sepCS->getCMYK(&color, &cmyk);
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} ({5:t}) CK\n",
|
|
colToDbl(state->getStrokeColor()->c[0]),
|
|
colToDbl(cmyk.c), colToDbl(cmyk.m),
|
|
colToDbl(cmyk.y), colToDbl(cmyk.k),
|
|
sepCS->getName());
|
|
addCustomColor(sepCS);
|
|
} else {
|
|
state->getStrokeCMYK(&cmyk);
|
|
c = colToDbl(cmyk.c);
|
|
m = colToDbl(cmyk.m);
|
|
y = colToDbl(cmyk.y);
|
|
k = colToDbl(cmyk.k);
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} K\n", c, m, y, k);
|
|
addProcessColor(c, m, y, k);
|
|
}
|
|
break;
|
|
}
|
|
t3Cacheable = gFalse;
|
|
}
|
|
|
|
void PSOutputDev::addProcessColor(double c, double m, double y, double k) {
|
|
if (c > 0) {
|
|
processColors |= psProcessCyan;
|
|
}
|
|
if (m > 0) {
|
|
processColors |= psProcessMagenta;
|
|
}
|
|
if (y > 0) {
|
|
processColors |= psProcessYellow;
|
|
}
|
|
if (k > 0) {
|
|
processColors |= psProcessBlack;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::addCustomColor(GfxSeparationColorSpace *sepCS) {
|
|
PSOutCustomColor *cc;
|
|
GfxColor color;
|
|
GfxCMYK cmyk;
|
|
|
|
for (cc = customColors; cc; cc = cc->next) {
|
|
if (!cc->name->cmp(sepCS->getName())) {
|
|
return;
|
|
}
|
|
}
|
|
color.c[0] = gfxColorComp1;
|
|
sepCS->getCMYK(&color, &cmyk);
|
|
cc = new PSOutCustomColor(colToDbl(cmyk.c), colToDbl(cmyk.m),
|
|
colToDbl(cmyk.y), colToDbl(cmyk.k),
|
|
sepCS->getName()->copy());
|
|
cc->next = customColors;
|
|
customColors = cc;
|
|
}
|
|
|
|
void PSOutputDev::updateFillOverprint(GfxState *state) {
|
|
if (level >= psLevel2) {
|
|
writePSFmt("{0:s} op\n", state->getFillOverprint() ? "true" : "false");
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::updateStrokeOverprint(GfxState *state) {
|
|
if (level >= psLevel2) {
|
|
writePSFmt("{0:s} OP\n", state->getStrokeOverprint() ? "true" : "false");
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::updateTransfer(GfxState *state) {
|
|
Function **funcs;
|
|
int i;
|
|
|
|
funcs = state->getTransfer();
|
|
if (funcs[0] && funcs[1] && funcs[2] && funcs[3]) {
|
|
if (level >= psLevel2) {
|
|
for (i = 0; i < 4; ++i) {
|
|
cvtFunction(funcs[i]);
|
|
}
|
|
writePS("setcolortransfer\n");
|
|
} else {
|
|
cvtFunction(funcs[3]);
|
|
writePS("settransfer\n");
|
|
}
|
|
} else if (funcs[0]) {
|
|
cvtFunction(funcs[0]);
|
|
writePS("settransfer\n");
|
|
} else {
|
|
writePS("{} settransfer\n");
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::updateFont(GfxState *state) {
|
|
if (state->getFont()) {
|
|
writePSFmt("/F{0:d}_{1:d} {2:.4g} Tf\n",
|
|
state->getFont()->getID()->num, state->getFont()->getID()->gen,
|
|
fabs(state->getFontSize()) < 0.00001 ? 0.00001
|
|
: state->getFontSize());
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::updateTextMat(GfxState *state) {
|
|
double *mat;
|
|
|
|
mat = state->getTextMat();
|
|
if (fabs(mat[0] * mat[3] - mat[1] * mat[2]) < 0.00001) {
|
|
// avoid a singular (or close-to-singular) matrix
|
|
writePSFmt("[0.00001 0 0 0.00001 {0:.4g} {1:.4g}] Tm\n", mat[4], mat[5]);
|
|
} else {
|
|
writePSFmt("[{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g}] Tm\n",
|
|
mat[0], mat[1], mat[2], mat[3], mat[4], mat[5]);
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::updateCharSpace(GfxState *state) {
|
|
writePSFmt("{0:.4g} Tc\n", state->getCharSpace());
|
|
}
|
|
|
|
void PSOutputDev::updateRender(GfxState *state) {
|
|
int rm;
|
|
|
|
rm = state->getRender();
|
|
writePSFmt("{0:d} Tr\n", rm);
|
|
rm &= 3;
|
|
if (rm != 0 && rm != 3) {
|
|
t3Cacheable = gFalse;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::updateRise(GfxState *state) {
|
|
writePSFmt("{0:.4g} Ts\n", state->getRise());
|
|
}
|
|
|
|
void PSOutputDev::updateWordSpace(GfxState *state) {
|
|
writePSFmt("{0:.4g} Tw\n", state->getWordSpace());
|
|
}
|
|
|
|
void PSOutputDev::updateHorizScaling(GfxState *state) {
|
|
double h;
|
|
|
|
h = state->getHorizScaling();
|
|
if (fabs(h) < 0.01) {
|
|
h = 0.01;
|
|
}
|
|
writePSFmt("{0:.4g} Tz\n", h);
|
|
}
|
|
|
|
void PSOutputDev::updateTextPos(GfxState *state) {
|
|
writePSFmt("{0:.4g} {1:.4g} Td\n", state->getLineX(), state->getLineY());
|
|
}
|
|
|
|
void PSOutputDev::updateTextShift(GfxState *state, double shift) {
|
|
if (state->getFont()->getWMode()) {
|
|
writePSFmt("{0:.4g} TJmV\n", shift);
|
|
} else {
|
|
writePSFmt("{0:.4g} TJm\n", shift);
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::stroke(GfxState *state) {
|
|
doPath(state->getPath());
|
|
if (t3String) {
|
|
// if we're construct a cacheable Type 3 glyph, we need to do
|
|
// everything in the fill color
|
|
writePS("Sf\n");
|
|
} else {
|
|
writePS("S\n");
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::fill(GfxState *state) {
|
|
doPath(state->getPath());
|
|
writePS("f\n");
|
|
}
|
|
|
|
void PSOutputDev::eoFill(GfxState *state) {
|
|
doPath(state->getPath());
|
|
writePS("f*\n");
|
|
}
|
|
|
|
void PSOutputDev::tilingPatternFill(GfxState * /*state*/, Object *str,
|
|
int paintType, Dict *resDict,
|
|
double *mat, double *bbox,
|
|
int x0, int y0, int x1, int y1,
|
|
double xStep, double yStep) {
|
|
PDFRectangle box;
|
|
Gfx *gfx;
|
|
|
|
// define a Type 3 font
|
|
writePS("8 dict begin\n");
|
|
writePS("/FontType 3 def\n");
|
|
writePS("/FontMatrix [1 0 0 1 0 0] def\n");
|
|
writePSFmt("/FontBBox [{0:.4g} {1:.4g} {2:.4g} {3:.4g}] def\n",
|
|
bbox[0], bbox[1], bbox[2], bbox[3]);
|
|
writePS("/Encoding 256 array def\n");
|
|
writePS(" 0 1 255 { Encoding exch /.notdef put } for\n");
|
|
writePS(" Encoding 120 /x put\n");
|
|
writePS("/BuildGlyph {\n");
|
|
writePS(" exch /CharProcs get exch\n");
|
|
writePS(" 2 copy known not { pop /.notdef } if\n");
|
|
writePS(" get exec\n");
|
|
writePS("} bind def\n");
|
|
writePS("/BuildChar {\n");
|
|
writePS(" 1 index /Encoding get exch get\n");
|
|
writePS(" 1 index /BuildGlyph get exec\n");
|
|
writePS("} bind def\n");
|
|
writePS("/CharProcs 1 dict def\n");
|
|
writePS("CharProcs begin\n");
|
|
box.x1 = bbox[0];
|
|
box.y1 = bbox[1];
|
|
box.x2 = bbox[2];
|
|
box.y2 = bbox[3];
|
|
gfx = new Gfx(xref, this, resDict, &box, NULL);
|
|
writePS("/x {\n");
|
|
if (paintType == 2) {
|
|
writePSFmt("{0:.4g} 0 {1:.4g} {2:.4g} {3:.4g} {4:.4g} setcachedevice\n",
|
|
xStep, bbox[0], bbox[1], bbox[2], bbox[3]);
|
|
} else {
|
|
if (x1 - 1 <= x0) {
|
|
writePS("1 0 setcharwidth\n");
|
|
} else {
|
|
writePSFmt("{0:.4g} 0 setcharwidth\n", xStep);
|
|
}
|
|
}
|
|
inType3Char = gTrue;
|
|
++numTilingPatterns;
|
|
gfx->display(str);
|
|
--numTilingPatterns;
|
|
inType3Char = gFalse;
|
|
writePS("} def\n");
|
|
delete gfx;
|
|
writePS("end\n");
|
|
writePS("currentdict end\n");
|
|
writePSFmt("/xpdfTile{0:d} exch definefont pop\n", numTilingPatterns);
|
|
|
|
// draw the tiles
|
|
writePSFmt("/xpdfTile{0:d} findfont setfont\n", numTilingPatterns);
|
|
writePSFmt("gsave [{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g}] concat\n",
|
|
mat[0], mat[1], mat[2], mat[3], mat[4], mat[5]);
|
|
writePSFmt("{0:d} 1 {1:d} {{ {2:.4g} exch {3:.4g} mul m {4:d} 1 {5:d} {{ pop (x) show }} for }} for\n",
|
|
y0, y1 - 1, x0 * xStep, yStep, x0, x1 - 1);
|
|
writePS("grestore\n");
|
|
}
|
|
|
|
GBool PSOutputDev::functionShadedFill(GfxState * /*state*/,
|
|
GfxFunctionShading *shading) {
|
|
double x0, y0, x1, y1;
|
|
double *mat;
|
|
int i;
|
|
|
|
if (level == psLevel2Sep || level == psLevel3Sep) {
|
|
if (shading->getColorSpace()->getMode() != csDeviceCMYK) {
|
|
return gFalse;
|
|
}
|
|
processColors |= psProcessCMYK;
|
|
}
|
|
|
|
shading->getDomain(&x0, &y0, &x1, &y1);
|
|
mat = shading->getMatrix();
|
|
writePSFmt("/mat [{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g}] def\n",
|
|
mat[0], mat[1], mat[2], mat[3], mat[4], mat[5]);
|
|
writePSFmt("/n {0:d} def\n", shading->getColorSpace()->getNComps());
|
|
if (shading->getNFuncs() == 1) {
|
|
writePS("/func ");
|
|
cvtFunction(shading->getFunc(0));
|
|
writePS("def\n");
|
|
} else {
|
|
writePS("/func {\n");
|
|
for (i = 0; i < shading->getNFuncs(); ++i) {
|
|
if (i < shading->getNFuncs() - 1) {
|
|
writePS("2 copy\n");
|
|
}
|
|
cvtFunction(shading->getFunc(i));
|
|
writePS("exec\n");
|
|
if (i < shading->getNFuncs() - 1) {
|
|
writePS("3 1 roll\n");
|
|
}
|
|
}
|
|
writePS("} def\n");
|
|
}
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} 0 funcSH\n", x0, y0, x1, y1);
|
|
|
|
return gTrue;
|
|
}
|
|
|
|
GBool PSOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading) {
|
|
double xMin, yMin, xMax, yMax;
|
|
double x0, y0, x1, y1, dx, dy, mul;
|
|
double tMin, tMax, t, t0, t1;
|
|
int i;
|
|
|
|
if (level == psLevel2Sep || level == psLevel3Sep) {
|
|
if (shading->getColorSpace()->getMode() != csDeviceCMYK) {
|
|
return gFalse;
|
|
}
|
|
processColors |= psProcessCMYK;
|
|
}
|
|
|
|
// get the clip region bbox
|
|
state->getUserClipBBox(&xMin, &yMin, &xMax, &yMax);
|
|
|
|
// compute min and max t values, based on the four corners of the
|
|
// clip region bbox
|
|
shading->getCoords(&x0, &y0, &x1, &y1);
|
|
dx = x1 - x0;
|
|
dy = y1 - y0;
|
|
if (fabs(dx) < 0.01 && fabs(dy) < 0.01) {
|
|
return gTrue;
|
|
} else {
|
|
mul = 1 / (dx * dx + dy * dy);
|
|
tMin = tMax = ((xMin - x0) * dx + (yMin - y0) * dy) * mul;
|
|
t = ((xMin - x0) * dx + (yMax - y0) * dy) * mul;
|
|
if (t < tMin) {
|
|
tMin = t;
|
|
} else if (t > tMax) {
|
|
tMax = t;
|
|
}
|
|
t = ((xMax - x0) * dx + (yMin - y0) * dy) * mul;
|
|
if (t < tMin) {
|
|
tMin = t;
|
|
} else if (t > tMax) {
|
|
tMax = t;
|
|
}
|
|
t = ((xMax - x0) * dx + (yMax - y0) * dy) * mul;
|
|
if (t < tMin) {
|
|
tMin = t;
|
|
} else if (t > tMax) {
|
|
tMax = t;
|
|
}
|
|
if (tMin < 0 && !shading->getExtend0()) {
|
|
tMin = 0;
|
|
}
|
|
if (tMax > 1 && !shading->getExtend1()) {
|
|
tMax = 1;
|
|
}
|
|
}
|
|
|
|
// get the function domain
|
|
t0 = shading->getDomain0();
|
|
t1 = shading->getDomain1();
|
|
|
|
// generate the PS code
|
|
writePSFmt("/t0 {0:.4g} def\n", t0);
|
|
writePSFmt("/t1 {0:.4g} def\n", t1);
|
|
writePSFmt("/dt {0:.4g} def\n", t1 - t0);
|
|
writePSFmt("/x0 {0:.4g} def\n", x0);
|
|
writePSFmt("/y0 {0:.4g} def\n", y0);
|
|
writePSFmt("/dx {0:.4g} def\n", x1 - x0);
|
|
writePSFmt("/x1 {0:.4g} def\n", x1);
|
|
writePSFmt("/y1 {0:.4g} def\n", y1);
|
|
writePSFmt("/dy {0:.4g} def\n", y1 - y0);
|
|
writePSFmt("/xMin {0:.4g} def\n", xMin);
|
|
writePSFmt("/yMin {0:.4g} def\n", yMin);
|
|
writePSFmt("/xMax {0:.4g} def\n", xMax);
|
|
writePSFmt("/yMax {0:.4g} def\n", yMax);
|
|
writePSFmt("/n {0:d} def\n", shading->getColorSpace()->getNComps());
|
|
if (shading->getNFuncs() == 1) {
|
|
writePS("/func ");
|
|
cvtFunction(shading->getFunc(0));
|
|
writePS("def\n");
|
|
} else {
|
|
writePS("/func {\n");
|
|
for (i = 0; i < shading->getNFuncs(); ++i) {
|
|
if (i < shading->getNFuncs() - 1) {
|
|
writePS("dup\n");
|
|
}
|
|
cvtFunction(shading->getFunc(i));
|
|
writePS("exec\n");
|
|
if (i < shading->getNFuncs() - 1) {
|
|
writePS("exch\n");
|
|
}
|
|
}
|
|
writePS("} def\n");
|
|
}
|
|
writePSFmt("{0:.4g} {1:.4g} 0 axialSH\n", tMin, tMax);
|
|
|
|
return gTrue;
|
|
}
|
|
|
|
GBool PSOutputDev::radialShadedFill(GfxState *state,
|
|
GfxRadialShading *shading) {
|
|
double xMin, yMin, xMax, yMax;
|
|
double x0, y0, r0, x1, y1, r1, t0, t1;
|
|
double xa, ya, ra;
|
|
double sz, xz, yz, sMin, sMax, sa, ta;
|
|
double theta, alpha, a1, a2;
|
|
GBool enclosed;
|
|
int i;
|
|
|
|
if (level == psLevel2Sep || level == psLevel3Sep) {
|
|
if (shading->getColorSpace()->getMode() != csDeviceCMYK) {
|
|
return gFalse;
|
|
}
|
|
processColors |= psProcessCMYK;
|
|
}
|
|
|
|
// get the shading info
|
|
shading->getCoords(&x0, &y0, &r0, &x1, &y1, &r1);
|
|
t0 = shading->getDomain0();
|
|
t1 = shading->getDomain1();
|
|
|
|
// Compute the point at which r(s) = 0; check for the enclosed
|
|
// circles case; and compute the angles for the tangent lines.
|
|
if (r0 == r1) {
|
|
enclosed = x0 == x1 && y0 == y1;
|
|
theta = 0;
|
|
sz = 0; // make gcc happy
|
|
} else {
|
|
sz = -r0 / (r1 - r0);
|
|
xz = x0 + sz * (x1 - x0);
|
|
yz = y0 + sz * (y1 - y0);
|
|
enclosed = (xz - x0) * (xz - x0) + (yz - y0) * (yz - y0) <= r0 * r0;
|
|
theta = asin(r0 / sqrt((x0 - xz) * (x0 - xz) + (y0 - yz) * (y0 - yz)));
|
|
if (r0 > r1) {
|
|
theta = -theta;
|
|
}
|
|
}
|
|
if (enclosed) {
|
|
a1 = 0;
|
|
a2 = 360;
|
|
} else {
|
|
alpha = atan2(y1 - y0, x1 - x0);
|
|
a1 = (180 / M_PI) * (alpha + theta) + 90;
|
|
a2 = (180 / M_PI) * (alpha - theta) - 90;
|
|
while (a2 < a1) {
|
|
a2 += 360;
|
|
}
|
|
}
|
|
|
|
// compute the (possibly extended) s range
|
|
state->getUserClipBBox(&xMin, &yMin, &xMax, &yMax);
|
|
if (enclosed) {
|
|
sMin = 0;
|
|
sMax = 1;
|
|
} else {
|
|
sMin = 1;
|
|
sMax = 0;
|
|
// solve for x(s) + r(s) = xMin
|
|
if ((x1 + r1) - (x0 + r0) != 0) {
|
|
sa = (xMin - (x0 + r0)) / ((x1 + r1) - (x0 + r0));
|
|
if (sa < sMin) {
|
|
sMin = sa;
|
|
} else if (sa > sMax) {
|
|
sMax = sa;
|
|
}
|
|
}
|
|
// solve for x(s) - r(s) = xMax
|
|
if ((x1 - r1) - (x0 - r0) != 0) {
|
|
sa = (xMax - (x0 - r0)) / ((x1 - r1) - (x0 - r0));
|
|
if (sa < sMin) {
|
|
sMin = sa;
|
|
} else if (sa > sMax) {
|
|
sMax = sa;
|
|
}
|
|
}
|
|
// solve for y(s) + r(s) = yMin
|
|
if ((y1 + r1) - (y0 + r0) != 0) {
|
|
sa = (yMin - (y0 + r0)) / ((y1 + r1) - (y0 + r0));
|
|
if (sa < sMin) {
|
|
sMin = sa;
|
|
} else if (sa > sMax) {
|
|
sMax = sa;
|
|
}
|
|
}
|
|
// solve for y(s) - r(s) = yMax
|
|
if ((y1 - r1) - (y0 - r0) != 0) {
|
|
sa = (yMax - (y0 - r0)) / ((y1 - r1) - (y0 - r0));
|
|
if (sa < sMin) {
|
|
sMin = sa;
|
|
} else if (sa > sMax) {
|
|
sMax = sa;
|
|
}
|
|
}
|
|
// check against sz
|
|
if (r0 < r1) {
|
|
if (sMin < sz) {
|
|
sMin = sz;
|
|
}
|
|
} else if (r0 > r1) {
|
|
if (sMax > sz) {
|
|
sMax = sz;
|
|
}
|
|
}
|
|
// check the 'extend' flags
|
|
if (!shading->getExtend0() && sMin < 0) {
|
|
sMin = 0;
|
|
}
|
|
if (!shading->getExtend1() && sMax > 1) {
|
|
sMax = 1;
|
|
}
|
|
}
|
|
|
|
// generate the PS code
|
|
writePSFmt("/x0 {0:.4g} def\n", x0);
|
|
writePSFmt("/x1 {0:.4g} def\n", x1);
|
|
writePSFmt("/dx {0:.4g} def\n", x1 - x0);
|
|
writePSFmt("/y0 {0:.4g} def\n", y0);
|
|
writePSFmt("/y1 {0:.4g} def\n", y1);
|
|
writePSFmt("/dy {0:.4g} def\n", y1 - y0);
|
|
writePSFmt("/r0 {0:.4g} def\n", r0);
|
|
writePSFmt("/r1 {0:.4g} def\n", r1);
|
|
writePSFmt("/dr {0:.4g} def\n", r1 - r0);
|
|
writePSFmt("/t0 {0:.4g} def\n", t0);
|
|
writePSFmt("/t1 {0:.4g} def\n", t1);
|
|
writePSFmt("/dt {0:.4g} def\n", t1 - t0);
|
|
writePSFmt("/n {0:d} def\n", shading->getColorSpace()->getNComps());
|
|
writePSFmt("/encl {0:s} def\n", enclosed ? "true" : "false");
|
|
writePSFmt("/a1 {0:.4g} def\n", a1);
|
|
writePSFmt("/a2 {0:.4g} def\n", a2);
|
|
if (shading->getNFuncs() == 1) {
|
|
writePS("/func ");
|
|
cvtFunction(shading->getFunc(0));
|
|
writePS("def\n");
|
|
} else {
|
|
writePS("/func {\n");
|
|
for (i = 0; i < shading->getNFuncs(); ++i) {
|
|
if (i < shading->getNFuncs() - 1) {
|
|
writePS("dup\n");
|
|
}
|
|
cvtFunction(shading->getFunc(i));
|
|
writePS("exec\n");
|
|
if (i < shading->getNFuncs() - 1) {
|
|
writePS("exch\n");
|
|
}
|
|
}
|
|
writePS("} def\n");
|
|
}
|
|
writePSFmt("{0:.4g} {1:.4g} 0 radialSH\n", sMin, sMax);
|
|
|
|
// extend the 'enclosed' case
|
|
if (enclosed) {
|
|
// extend the smaller circle
|
|
if ((shading->getExtend0() && r0 <= r1) ||
|
|
(shading->getExtend1() && r1 < r0)) {
|
|
if (r0 <= r1) {
|
|
ta = t0;
|
|
ra = r0;
|
|
xa = x0;
|
|
ya = y0;
|
|
} else {
|
|
ta = t1;
|
|
ra = r1;
|
|
xa = x1;
|
|
ya = y1;
|
|
}
|
|
if (level == psLevel2Sep || level == psLevel3Sep) {
|
|
writePSFmt("{0:.4g} radialCol aload pop k\n", ta);
|
|
} else {
|
|
writePSFmt("{0:.4g} radialCol sc\n", ta);
|
|
}
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} 0 360 arc h f*\n", xa, ya, ra);
|
|
}
|
|
|
|
// extend the larger circle
|
|
if ((shading->getExtend0() && r0 > r1) ||
|
|
(shading->getExtend1() && r1 >= r0)) {
|
|
if (r0 > r1) {
|
|
ta = t0;
|
|
ra = r0;
|
|
xa = x0;
|
|
ya = y0;
|
|
} else {
|
|
ta = t1;
|
|
ra = r1;
|
|
xa = x1;
|
|
ya = y1;
|
|
}
|
|
if (level == psLevel2Sep || level == psLevel3Sep) {
|
|
writePSFmt("{0:.4g} radialCol aload pop k\n", ta);
|
|
} else {
|
|
writePSFmt("{0:.4g} radialCol sc\n", ta);
|
|
}
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} 0 360 arc h\n", xa, ya, ra);
|
|
writePSFmt("{0:.4g} {1:.4g} m {2:.4g} {3:.4g} l {4:.4g} {5:.4g} l {6:.4g} {7:.4g} l h f*\n",
|
|
xMin, yMin, xMin, yMax, xMax, yMax, xMax, yMin);
|
|
}
|
|
}
|
|
|
|
return gTrue;
|
|
}
|
|
|
|
void PSOutputDev::clip(GfxState *state) {
|
|
doPath(state->getPath());
|
|
writePS("W\n");
|
|
}
|
|
|
|
void PSOutputDev::eoClip(GfxState *state) {
|
|
doPath(state->getPath());
|
|
writePS("W*\n");
|
|
}
|
|
|
|
void PSOutputDev::clipToStrokePath(GfxState *state) {
|
|
doPath(state->getPath());
|
|
writePS("Ws\n");
|
|
}
|
|
|
|
void PSOutputDev::doPath(GfxPath *path) {
|
|
GfxSubpath *subpath;
|
|
double x0, y0, x1, y1, x2, y2, x3, y3, x4, y4;
|
|
int n, m, i, j;
|
|
|
|
n = path->getNumSubpaths();
|
|
|
|
if (n == 1 && path->getSubpath(0)->getNumPoints() == 5) {
|
|
subpath = path->getSubpath(0);
|
|
x0 = subpath->getX(0);
|
|
y0 = subpath->getY(0);
|
|
x4 = subpath->getX(4);
|
|
y4 = subpath->getY(4);
|
|
if (x4 == x0 && y4 == y0) {
|
|
x1 = subpath->getX(1);
|
|
y1 = subpath->getY(1);
|
|
x2 = subpath->getX(2);
|
|
y2 = subpath->getY(2);
|
|
x3 = subpath->getX(3);
|
|
y3 = subpath->getY(3);
|
|
if (x0 == x1 && x2 == x3 && y0 == y3 && y1 == y2) {
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} re\n",
|
|
x0 < x2 ? x0 : x2, y0 < y1 ? y0 : y1,
|
|
fabs(x2 - x0), fabs(y1 - y0));
|
|
return;
|
|
} else if (x0 == x3 && x1 == x2 && y0 == y1 && y2 == y3) {
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} re\n",
|
|
x0 < x1 ? x0 : x1, y0 < y2 ? y0 : y2,
|
|
fabs(x1 - x0), fabs(y2 - y0));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < n; ++i) {
|
|
subpath = path->getSubpath(i);
|
|
m = subpath->getNumPoints();
|
|
writePSFmt("{0:.4g} {1:.4g} m\n", subpath->getX(0), subpath->getY(0));
|
|
j = 1;
|
|
while (j < m) {
|
|
if (subpath->getCurve(j)) {
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g} c\n",
|
|
subpath->getX(j), subpath->getY(j),
|
|
subpath->getX(j+1), subpath->getY(j+1),
|
|
subpath->getX(j+2), subpath->getY(j+2));
|
|
j += 3;
|
|
} else {
|
|
writePSFmt("{0:.4g} {1:.4g} l\n", subpath->getX(j), subpath->getY(j));
|
|
++j;
|
|
}
|
|
}
|
|
if (subpath->isClosed()) {
|
|
writePS("h\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::drawString(GfxState *state, GString *s) {
|
|
GfxFont *font;
|
|
int wMode;
|
|
Gushort *codeToGID;
|
|
GString *s2;
|
|
double dx, dy, dx2, dy2, originX, originY;
|
|
char *p;
|
|
UnicodeMap *uMap;
|
|
CharCode code;
|
|
Unicode u[8];
|
|
char buf[8];
|
|
int len, nChars, uLen, n, m, i, j;
|
|
|
|
// check for invisible text -- this is used by Acrobat Capture
|
|
if (state->getRender() == 3) {
|
|
return;
|
|
}
|
|
|
|
// ignore empty strings
|
|
if (s->getLength() == 0) {
|
|
return;
|
|
}
|
|
|
|
// get the font
|
|
if (!(font = state->getFont())) {
|
|
return;
|
|
}
|
|
wMode = font->getWMode();
|
|
|
|
// check for a subtitute 16-bit font
|
|
uMap = NULL;
|
|
codeToGID = NULL;
|
|
if (font->isCIDFont()) {
|
|
for (i = 0; i < font16EncLen; ++i) {
|
|
if (font->getID()->num == font16Enc[i].fontID.num &&
|
|
font->getID()->gen == font16Enc[i].fontID.gen) {
|
|
uMap = globalParams->getUnicodeMap(font16Enc[i].enc);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// check for a code-to-GID map
|
|
} else {
|
|
for (i = 0; i < font8InfoLen; ++i) {
|
|
if (font->getID()->num == font8Info[i].fontID.num &&
|
|
font->getID()->gen == font8Info[i].fontID.gen) {
|
|
codeToGID = font8Info[i].codeToGID;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// compute width of chars in string, ignoring char spacing and word
|
|
// spacing -- the Tj operator will adjust for the metrics of the
|
|
// font that's actually used
|
|
dx = dy = 0;
|
|
nChars = 0;
|
|
p = s->getCString();
|
|
len = s->getLength();
|
|
s2 = new GString();
|
|
while (len > 0) {
|
|
n = font->getNextChar(p, len, &code,
|
|
u, (int)(sizeof(u) / sizeof(Unicode)), &uLen,
|
|
&dx2, &dy2, &originX, &originY);
|
|
if (font->isCIDFont()) {
|
|
if (uMap) {
|
|
for (i = 0; i < uLen; ++i) {
|
|
m = uMap->mapUnicode(u[i], buf, (int)sizeof(buf));
|
|
for (j = 0; j < m; ++j) {
|
|
s2->append(buf[j]);
|
|
}
|
|
}
|
|
//~ this really needs to get the number of chars in the target
|
|
//~ encoding - which may be more than the number of Unicode
|
|
//~ chars
|
|
nChars += uLen;
|
|
} else {
|
|
s2->append((char)((code >> 8) & 0xff));
|
|
s2->append((char)(code & 0xff));
|
|
++nChars;
|
|
}
|
|
} else {
|
|
if (!codeToGID || codeToGID[code]) {
|
|
s2->append((char)code);
|
|
}
|
|
}
|
|
dx += dx2;
|
|
dy += dy2;
|
|
p += n;
|
|
len -= n;
|
|
}
|
|
dx *= state->getFontSize() * state->getHorizScaling();
|
|
dy *= state->getFontSize();
|
|
if (uMap) {
|
|
uMap->decRefCnt();
|
|
}
|
|
|
|
if (s2->getLength() > 0) {
|
|
writePSString(s2);
|
|
if (font->isCIDFont()) {
|
|
if (wMode) {
|
|
writePSFmt(" {0:d} {1:.4g} Tj16V\n", nChars, dy);
|
|
} else {
|
|
writePSFmt(" {0:d} {1:.4g} Tj16\n", nChars, dx);
|
|
}
|
|
} else {
|
|
writePSFmt(" {0:.4g} Tj\n", dx);
|
|
}
|
|
}
|
|
delete s2;
|
|
|
|
if (state->getRender() & 4) {
|
|
haveTextClip = gTrue;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::endTextObject(GfxState * /*state*/) {
|
|
if (haveTextClip) {
|
|
writePS("Tclip\n");
|
|
haveTextClip = gFalse;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::drawImageMask(GfxState * /*state*/, Object *ref, Stream *str,
|
|
int width, int height, GBool invert,
|
|
GBool inlineImg) {
|
|
int len;
|
|
|
|
len = height * ((width + 7) / 8);
|
|
switch (level) {
|
|
case psLevel1:
|
|
case psLevel1Sep:
|
|
doImageL1(ref, NULL, invert, inlineImg, str, width, height, len);
|
|
break;
|
|
case psLevel2:
|
|
case psLevel2Sep:
|
|
doImageL2(ref, NULL, invert, inlineImg, str, width, height, len,
|
|
NULL, NULL, 0, 0, gFalse);
|
|
break;
|
|
case psLevel3:
|
|
case psLevel3Sep:
|
|
doImageL3(ref, NULL, invert, inlineImg, str, width, height, len,
|
|
NULL, NULL, 0, 0, gFalse);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::drawImage(GfxState * /*state*/, Object *ref, Stream *str,
|
|
int width, int height, GfxImageColorMap *colorMap,
|
|
int *maskColors, GBool inlineImg) {
|
|
int len;
|
|
|
|
len = height * ((width * colorMap->getNumPixelComps() *
|
|
colorMap->getBits() + 7) / 8);
|
|
switch (level) {
|
|
case psLevel1:
|
|
doImageL1(ref, colorMap, gFalse, inlineImg, str, width, height, len);
|
|
break;
|
|
case psLevel1Sep:
|
|
//~ handle indexed, separation, ... color spaces
|
|
doImageL1Sep(colorMap, gFalse, inlineImg, str, width, height, len);
|
|
break;
|
|
case psLevel2:
|
|
case psLevel2Sep:
|
|
doImageL2(ref, colorMap, gFalse, inlineImg, str,
|
|
width, height, len, maskColors, NULL, 0, 0, gFalse);
|
|
break;
|
|
case psLevel3:
|
|
case psLevel3Sep:
|
|
doImageL3(ref, colorMap, gFalse, inlineImg, str,
|
|
width, height, len, maskColors, NULL, 0, 0, gFalse);
|
|
break;
|
|
}
|
|
t3Cacheable = gFalse;
|
|
}
|
|
|
|
void PSOutputDev::drawMaskedImage(GfxState * /*state*/, Object *ref, Stream *str,
|
|
int width, int height,
|
|
GfxImageColorMap *colorMap,
|
|
Stream *maskStr,
|
|
int maskWidth, int maskHeight,
|
|
GBool maskInvert) {
|
|
int len;
|
|
|
|
len = height * ((width * colorMap->getNumPixelComps() *
|
|
colorMap->getBits() + 7) / 8);
|
|
switch (level) {
|
|
case psLevel1:
|
|
doImageL1(ref, colorMap, gFalse, gFalse, str, width, height, len);
|
|
break;
|
|
case psLevel1Sep:
|
|
//~ handle indexed, separation, ... color spaces
|
|
doImageL1Sep(colorMap, gFalse, gFalse, str, width, height, len);
|
|
break;
|
|
case psLevel2:
|
|
case psLevel2Sep:
|
|
doImageL2(ref, colorMap, gFalse, gFalse, str, width, height, len,
|
|
NULL, maskStr, maskWidth, maskHeight, maskInvert);
|
|
break;
|
|
case psLevel3:
|
|
case psLevel3Sep:
|
|
doImageL3(ref, colorMap, gFalse, gFalse, str, width, height, len,
|
|
NULL, maskStr, maskWidth, maskHeight, maskInvert);
|
|
break;
|
|
}
|
|
t3Cacheable = gFalse;
|
|
}
|
|
|
|
void PSOutputDev::doImageL1(Object *ref, GfxImageColorMap *colorMap,
|
|
GBool invert, GBool inlineImg,
|
|
Stream *str, int width, int height, int len) {
|
|
ImageStream *imgStr;
|
|
Guchar pixBuf[gfxColorMaxComps];
|
|
GfxGray gray;
|
|
int col, x, y, c, i;
|
|
|
|
if ((inType3Char || preload) && !colorMap) {
|
|
if (inlineImg) {
|
|
// create an array
|
|
str = new FixedLengthEncoder(str, len);
|
|
str = new ASCIIHexEncoder(str);
|
|
str->reset();
|
|
col = 0;
|
|
writePS("[<");
|
|
do {
|
|
do {
|
|
c = str->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == '>' || c == EOF) {
|
|
break;
|
|
}
|
|
writePSChar(c);
|
|
++col;
|
|
// each line is: "<...data...><eol>"
|
|
// so max data length = 255 - 4 = 251
|
|
// but make it 240 just to be safe
|
|
// chunks are 2 bytes each, so we need to stop on an even col number
|
|
if (col == 240) {
|
|
writePS(">\n<");
|
|
col = 0;
|
|
}
|
|
} while (c != '>' && c != EOF);
|
|
writePS(">]\n");
|
|
writePS("0\n");
|
|
str->close();
|
|
delete str;
|
|
} else {
|
|
// set up to use the array already created by setupImages()
|
|
writePSFmt("ImData_{0:d}_{1:d} 0\n", ref->getRefNum(), ref->getRefGen());
|
|
}
|
|
}
|
|
|
|
// image/imagemask command
|
|
if ((inType3Char || preload) && !colorMap) {
|
|
writePSFmt("{0:d} {1:d} {2:s} [{3:d} 0 0 {4:d} 0 {5:d}] pdfImM1a\n",
|
|
width, height, invert ? "true" : "false",
|
|
width, -height, height);
|
|
} else if (colorMap) {
|
|
writePSFmt("{0:d} {1:d} 8 [{2:d} 0 0 {3:d} 0 {4:d}] pdfIm1\n",
|
|
width, height,
|
|
width, -height, height);
|
|
} else {
|
|
writePSFmt("{0:d} {1:d} {2:s} [{3:d} 0 0 {4:d} 0 {5:d}] pdfImM1\n",
|
|
width, height, invert ? "true" : "false",
|
|
width, -height, height);
|
|
}
|
|
|
|
// image data
|
|
if (!((inType3Char || preload) && !colorMap)) {
|
|
|
|
if (colorMap) {
|
|
|
|
// set up to process the data stream
|
|
imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
|
|
colorMap->getBits());
|
|
imgStr->reset();
|
|
|
|
// process the data stream
|
|
i = 0;
|
|
for (y = 0; y < height; ++y) {
|
|
|
|
// write the line
|
|
for (x = 0; x < width; ++x) {
|
|
imgStr->getPixel(pixBuf);
|
|
colorMap->getGray(pixBuf, &gray);
|
|
writePSFmt("{0:02x}", colToByte(gray));
|
|
if (++i == 32) {
|
|
writePSChar('\n');
|
|
i = 0;
|
|
}
|
|
}
|
|
}
|
|
if (i != 0) {
|
|
writePSChar('\n');
|
|
}
|
|
str->close();
|
|
delete imgStr;
|
|
|
|
// imagemask
|
|
} else {
|
|
str->reset();
|
|
i = 0;
|
|
for (y = 0; y < height; ++y) {
|
|
for (x = 0; x < width; x += 8) {
|
|
writePSFmt("{0:02x}", str->getChar() & 0xff);
|
|
if (++i == 32) {
|
|
writePSChar('\n');
|
|
i = 0;
|
|
}
|
|
}
|
|
}
|
|
if (i != 0) {
|
|
writePSChar('\n');
|
|
}
|
|
str->close();
|
|
}
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::doImageL1Sep(GfxImageColorMap *colorMap,
|
|
GBool /*invert*/, GBool /*inlineImg*/,
|
|
Stream *str, int width, int height, int /*len*/) {
|
|
ImageStream *imgStr;
|
|
Guchar *lineBuf;
|
|
Guchar pixBuf[gfxColorMaxComps];
|
|
GfxCMYK cmyk;
|
|
int x, y, i, comp;
|
|
|
|
// width, height, matrix, bits per component
|
|
writePSFmt("{0:d} {1:d} 8 [{2:d} 0 0 {3:d} 0 {4:d}] pdfIm1Sep\n",
|
|
width, height,
|
|
width, -height, height);
|
|
|
|
// allocate a line buffer
|
|
lineBuf = (Guchar *)gmallocn(width, 4);
|
|
|
|
// set up to process the data stream
|
|
imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
|
|
colorMap->getBits());
|
|
imgStr->reset();
|
|
|
|
// process the data stream
|
|
i = 0;
|
|
for (y = 0; y < height; ++y) {
|
|
|
|
// read the line
|
|
for (x = 0; x < width; ++x) {
|
|
imgStr->getPixel(pixBuf);
|
|
colorMap->getCMYK(pixBuf, &cmyk);
|
|
lineBuf[4*x+0] = colToByte(cmyk.c);
|
|
lineBuf[4*x+1] = colToByte(cmyk.m);
|
|
lineBuf[4*x+2] = colToByte(cmyk.y);
|
|
lineBuf[4*x+3] = colToByte(cmyk.k);
|
|
addProcessColor(colToDbl(cmyk.c), colToDbl(cmyk.m),
|
|
colToDbl(cmyk.y), colToDbl(cmyk.k));
|
|
}
|
|
|
|
// write one line of each color component
|
|
for (comp = 0; comp < 4; ++comp) {
|
|
for (x = 0; x < width; ++x) {
|
|
writePSFmt("{0:02x}", lineBuf[4*x + comp]);
|
|
if (++i == 32) {
|
|
writePSChar('\n');
|
|
i = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (i != 0) {
|
|
writePSChar('\n');
|
|
}
|
|
|
|
str->close();
|
|
delete imgStr;
|
|
gfree(lineBuf);
|
|
}
|
|
|
|
void PSOutputDev::doImageL2(Object *ref, GfxImageColorMap *colorMap,
|
|
GBool invert, GBool inlineImg,
|
|
Stream *str, int width, int height, int len,
|
|
int *maskColors, Stream *maskStr,
|
|
int maskWidth, int maskHeight, GBool maskInvert) {
|
|
Stream *str2;
|
|
ImageStream *imgStr;
|
|
Guchar *line;
|
|
PSOutImgClipRect *rects0, *rects1, *rectsTmp, *rectsOut;
|
|
int rects0Len, rects1Len, rectsSize, rectsOutLen, rectsOutSize;
|
|
GBool emitRect, addRect, extendRect;
|
|
GString *s;
|
|
int n, numComps;
|
|
GBool useRLE, useASCII, useASCIIHex, useCompressed;
|
|
GfxSeparationColorSpace *sepCS;
|
|
GfxColor color;
|
|
GfxCMYK cmyk;
|
|
int c;
|
|
int col, i, j, x0, x1, y, maskXor;
|
|
|
|
// color key masking
|
|
if (maskColors && colorMap && !inlineImg) {
|
|
// can't read the stream twice for inline images -- but masking
|
|
// isn't allowed with inline images anyway
|
|
numComps = colorMap->getNumPixelComps();
|
|
imgStr = new ImageStream(str, width, numComps, colorMap->getBits());
|
|
imgStr->reset();
|
|
rects0Len = rects1Len = rectsOutLen = 0;
|
|
rectsSize = rectsOutSize = 64;
|
|
rects0 = (PSOutImgClipRect *)gmallocn(rectsSize, sizeof(PSOutImgClipRect));
|
|
rects1 = (PSOutImgClipRect *)gmallocn(rectsSize, sizeof(PSOutImgClipRect));
|
|
rectsOut = (PSOutImgClipRect *)gmallocn(rectsOutSize,
|
|
sizeof(PSOutImgClipRect));
|
|
for (y = 0; y < height; ++y) {
|
|
if (!(line = imgStr->getLine())) {
|
|
break;
|
|
}
|
|
i = 0;
|
|
rects1Len = 0;
|
|
for (x0 = 0; x0 < width; ++x0) {
|
|
for (j = 0; j < numComps; ++j) {
|
|
if (line[x0*numComps+j] < maskColors[2*j] ||
|
|
line[x0*numComps+j] > maskColors[2*j+1]) {
|
|
break;
|
|
}
|
|
}
|
|
if (j < numComps) {
|
|
break;
|
|
}
|
|
}
|
|
for (x1 = x0; x1 < width; ++x1) {
|
|
for (j = 0; j < numComps; ++j) {
|
|
if (line[x1*numComps+j] < maskColors[2*j] ||
|
|
line[x1*numComps+j] > maskColors[2*j+1]) {
|
|
break;
|
|
}
|
|
}
|
|
if (j == numComps) {
|
|
break;
|
|
}
|
|
}
|
|
while (x0 < width || i < rects0Len) {
|
|
emitRect = addRect = extendRect = gFalse;
|
|
if (x0 >= width) {
|
|
emitRect = gTrue;
|
|
} else if (i >= rects0Len) {
|
|
addRect = gTrue;
|
|
} else if (rects0[i].x0 < x0) {
|
|
emitRect = gTrue;
|
|
} else if (x0 < rects0[i].x0) {
|
|
addRect = gTrue;
|
|
} else if (rects0[i].x1 == x1) {
|
|
extendRect = gTrue;
|
|
} else {
|
|
emitRect = addRect = gTrue;
|
|
}
|
|
if (emitRect) {
|
|
if (rectsOutLen == rectsOutSize) {
|
|
rectsOutSize *= 2;
|
|
rectsOut = (PSOutImgClipRect *)greallocn(rectsOut, rectsOutSize,
|
|
sizeof(PSOutImgClipRect));
|
|
}
|
|
rectsOut[rectsOutLen].x0 = rects0[i].x0;
|
|
rectsOut[rectsOutLen].x1 = rects0[i].x1;
|
|
rectsOut[rectsOutLen].y0 = height - y - 1;
|
|
rectsOut[rectsOutLen].y1 = height - rects0[i].y0 - 1;
|
|
++rectsOutLen;
|
|
++i;
|
|
}
|
|
if (addRect || extendRect) {
|
|
if (rects1Len == rectsSize) {
|
|
rectsSize *= 2;
|
|
rects0 = (PSOutImgClipRect *)greallocn(rects0, rectsSize,
|
|
sizeof(PSOutImgClipRect));
|
|
rects1 = (PSOutImgClipRect *)greallocn(rects1, rectsSize,
|
|
sizeof(PSOutImgClipRect));
|
|
}
|
|
rects1[rects1Len].x0 = x0;
|
|
rects1[rects1Len].x1 = x1;
|
|
if (addRect) {
|
|
rects1[rects1Len].y0 = y;
|
|
}
|
|
if (extendRect) {
|
|
rects1[rects1Len].y0 = rects0[i].y0;
|
|
++i;
|
|
}
|
|
++rects1Len;
|
|
for (x0 = x1; x0 < width; ++x0) {
|
|
for (j = 0; j < numComps; ++j) {
|
|
if (line[x0*numComps+j] < maskColors[2*j] ||
|
|
line[x0*numComps+j] > maskColors[2*j+1]) {
|
|
break;
|
|
}
|
|
}
|
|
if (j < numComps) {
|
|
break;
|
|
}
|
|
}
|
|
for (x1 = x0; x1 < width; ++x1) {
|
|
for (j = 0; j < numComps; ++j) {
|
|
if (line[x1*numComps+j] < maskColors[2*j] ||
|
|
line[x1*numComps+j] > maskColors[2*j+1]) {
|
|
break;
|
|
}
|
|
}
|
|
if (j == numComps) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
rectsTmp = rects0;
|
|
rects0 = rects1;
|
|
rects1 = rectsTmp;
|
|
i = rects0Len;
|
|
rects0Len = rects1Len;
|
|
rects1Len = i;
|
|
}
|
|
for (i = 0; i < rects0Len; ++i) {
|
|
if (rectsOutLen == rectsOutSize) {
|
|
rectsOutSize *= 2;
|
|
rectsOut = (PSOutImgClipRect *)greallocn(rectsOut, rectsOutSize,
|
|
sizeof(PSOutImgClipRect));
|
|
}
|
|
rectsOut[rectsOutLen].x0 = rects0[i].x0;
|
|
rectsOut[rectsOutLen].x1 = rects0[i].x1;
|
|
rectsOut[rectsOutLen].y0 = height - y - 1;
|
|
rectsOut[rectsOutLen].y1 = height - rects0[i].y0 - 1;
|
|
++rectsOutLen;
|
|
}
|
|
writePSFmt("{0:d} array 0\n", rectsOutLen * 4);
|
|
for (i = 0; i < rectsOutLen; ++i) {
|
|
writePSFmt("[{0:d} {1:d} {2:d} {3:d}] pr\n",
|
|
rectsOut[i].x0, rectsOut[i].y0,
|
|
rectsOut[i].x1 - rectsOut[i].x0,
|
|
rectsOut[i].y1 - rectsOut[i].y0);
|
|
}
|
|
writePSFmt("pop {0:d} {1:d} pdfImClip\n", width, height);
|
|
gfree(rectsOut);
|
|
gfree(rects0);
|
|
gfree(rects1);
|
|
delete imgStr;
|
|
str->close();
|
|
|
|
// explicit masking
|
|
} else if (maskStr) {
|
|
imgStr = new ImageStream(maskStr, maskWidth, 1, 1);
|
|
imgStr->reset();
|
|
rects0Len = rects1Len = rectsOutLen = 0;
|
|
rectsSize = rectsOutSize = 64;
|
|
rects0 = (PSOutImgClipRect *)gmallocn(rectsSize, sizeof(PSOutImgClipRect));
|
|
rects1 = (PSOutImgClipRect *)gmallocn(rectsSize, sizeof(PSOutImgClipRect));
|
|
rectsOut = (PSOutImgClipRect *)gmallocn(rectsOutSize,
|
|
sizeof(PSOutImgClipRect));
|
|
maskXor = maskInvert ? 1 : 0;
|
|
for (y = 0; y < maskHeight; ++y) {
|
|
if (!(line = imgStr->getLine())) {
|
|
break;
|
|
}
|
|
i = 0;
|
|
rects1Len = 0;
|
|
for (x0 = 0; x0 < maskWidth && (line[x0] ^ maskXor); ++x0) ;
|
|
for (x1 = x0; x1 < maskWidth && !(line[x1] ^ maskXor); ++x1) ;
|
|
while (x0 < maskWidth || i < rects0Len) {
|
|
emitRect = addRect = extendRect = gFalse;
|
|
if (x0 >= maskWidth) {
|
|
emitRect = gTrue;
|
|
} else if (i >= rects0Len) {
|
|
addRect = gTrue;
|
|
} else if (rects0[i].x0 < x0) {
|
|
emitRect = gTrue;
|
|
} else if (x0 < rects0[i].x0) {
|
|
addRect = gTrue;
|
|
} else if (rects0[i].x1 == x1) {
|
|
extendRect = gTrue;
|
|
} else {
|
|
emitRect = addRect = gTrue;
|
|
}
|
|
if (emitRect) {
|
|
if (rectsOutLen == rectsOutSize) {
|
|
rectsOutSize *= 2;
|
|
rectsOut = (PSOutImgClipRect *)greallocn(rectsOut, rectsOutSize,
|
|
sizeof(PSOutImgClipRect));
|
|
}
|
|
rectsOut[rectsOutLen].x0 = rects0[i].x0;
|
|
rectsOut[rectsOutLen].x1 = rects0[i].x1;
|
|
rectsOut[rectsOutLen].y0 = maskHeight - y - 1;
|
|
rectsOut[rectsOutLen].y1 = maskHeight - rects0[i].y0 - 1;
|
|
++rectsOutLen;
|
|
++i;
|
|
}
|
|
if (addRect || extendRect) {
|
|
if (rects1Len == rectsSize) {
|
|
rectsSize *= 2;
|
|
rects0 = (PSOutImgClipRect *)greallocn(rects0, rectsSize,
|
|
sizeof(PSOutImgClipRect));
|
|
rects1 = (PSOutImgClipRect *)greallocn(rects1, rectsSize,
|
|
sizeof(PSOutImgClipRect));
|
|
}
|
|
rects1[rects1Len].x0 = x0;
|
|
rects1[rects1Len].x1 = x1;
|
|
if (addRect) {
|
|
rects1[rects1Len].y0 = y;
|
|
}
|
|
if (extendRect) {
|
|
rects1[rects1Len].y0 = rects0[i].y0;
|
|
++i;
|
|
}
|
|
++rects1Len;
|
|
for (x0 = x1; x0 < maskWidth && (line[x0] ^ maskXor); ++x0) ;
|
|
for (x1 = x0; x1 < maskWidth && !(line[x1] ^ maskXor); ++x1) ;
|
|
}
|
|
}
|
|
rectsTmp = rects0;
|
|
rects0 = rects1;
|
|
rects1 = rectsTmp;
|
|
i = rects0Len;
|
|
rects0Len = rects1Len;
|
|
rects1Len = i;
|
|
}
|
|
for (i = 0; i < rects0Len; ++i) {
|
|
if (rectsOutLen == rectsOutSize) {
|
|
rectsOutSize *= 2;
|
|
rectsOut = (PSOutImgClipRect *)greallocn(rectsOut, rectsOutSize,
|
|
sizeof(PSOutImgClipRect));
|
|
}
|
|
rectsOut[rectsOutLen].x0 = rects0[i].x0;
|
|
rectsOut[rectsOutLen].x1 = rects0[i].x1;
|
|
rectsOut[rectsOutLen].y0 = maskHeight - y - 1;
|
|
rectsOut[rectsOutLen].y1 = maskHeight - rects0[i].y0 - 1;
|
|
++rectsOutLen;
|
|
}
|
|
writePSFmt("{0:d} array 0\n", rectsOutLen * 4);
|
|
for (i = 0; i < rectsOutLen; ++i) {
|
|
writePSFmt("[{0:d} {1:d} {2:d} {3:d}] pr\n",
|
|
rectsOut[i].x0, rectsOut[i].y0,
|
|
rectsOut[i].x1 - rectsOut[i].x0,
|
|
rectsOut[i].y1 - rectsOut[i].y0);
|
|
}
|
|
writePSFmt("pop {0:d} {1:d} pdfImClip\n", maskWidth, maskHeight);
|
|
gfree(rectsOut);
|
|
gfree(rects0);
|
|
gfree(rects1);
|
|
delete imgStr;
|
|
maskStr->close();
|
|
}
|
|
|
|
// color space
|
|
if (colorMap) {
|
|
dumpColorSpaceL2(colorMap->getColorSpace(), gFalse, gTrue, gFalse);
|
|
writePS(" setcolorspace\n");
|
|
}
|
|
|
|
useASCIIHex = globalParams->getPSASCIIHex();
|
|
|
|
// set up the image data
|
|
if (mode == psModeForm || inType3Char || preload) {
|
|
if (inlineImg) {
|
|
// create an array
|
|
str2 = new FixedLengthEncoder(str, len);
|
|
str2 = new RunLengthEncoder(str2);
|
|
if (useASCIIHex) {
|
|
str2 = new ASCIIHexEncoder(str2);
|
|
} else {
|
|
str2 = new ASCII85Encoder(str2);
|
|
}
|
|
str2->reset();
|
|
col = 0;
|
|
writePS((char *)(useASCIIHex ? "[<" : "[<~"));
|
|
do {
|
|
do {
|
|
c = str2->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == (useASCIIHex ? '>' : '~') || c == EOF) {
|
|
break;
|
|
}
|
|
if (c == 'z') {
|
|
writePSChar(c);
|
|
++col;
|
|
} else {
|
|
writePSChar(c);
|
|
++col;
|
|
for (i = 1; i <= (useASCIIHex ? 1 : 4); ++i) {
|
|
do {
|
|
c = str2->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == (useASCIIHex ? '>' : '~') || c == EOF) {
|
|
break;
|
|
}
|
|
writePSChar(c);
|
|
++col;
|
|
}
|
|
}
|
|
// each line is: "<~...data...~><eol>"
|
|
// so max data length = 255 - 6 = 249
|
|
// chunks are 1 or 5 bytes each, so we have to stop at 245
|
|
// but make it 240 just to be safe
|
|
if (col > 240) {
|
|
writePS((char *)(useASCIIHex ? ">\n<" : "~>\n<~"));
|
|
col = 0;
|
|
}
|
|
} while (c != (useASCIIHex ? '>' : '~') && c != EOF);
|
|
writePS((char *)(useASCIIHex ? ">\n" : "~>\n"));
|
|
// add an extra entry because the RunLengthDecode filter may
|
|
// read past the end
|
|
writePS("<>]\n");
|
|
writePS("0\n");
|
|
str2->close();
|
|
delete str2;
|
|
} else {
|
|
// set up to use the array already created by setupImages()
|
|
writePSFmt("ImData_{0:d}_{1:d} 0\n", ref->getRefNum(), ref->getRefGen());
|
|
}
|
|
}
|
|
|
|
// image dictionary
|
|
writePS("<<\n /ImageType 1\n");
|
|
|
|
// width, height, matrix, bits per component
|
|
writePSFmt(" /Width {0:d}\n", width);
|
|
writePSFmt(" /Height {0:d}\n", height);
|
|
writePSFmt(" /ImageMatrix [{0:d} 0 0 {1:d} 0 {2:d}]\n",
|
|
width, -height, height);
|
|
if (colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) {
|
|
writePS(" /BitsPerComponent 8\n");
|
|
} else {
|
|
writePSFmt(" /BitsPerComponent {0:d}\n",
|
|
colorMap ? colorMap->getBits() : 1);
|
|
}
|
|
|
|
// decode
|
|
if (colorMap) {
|
|
writePS(" /Decode [");
|
|
if ((level == psLevel2Sep || level == psLevel3Sep) &&
|
|
colorMap->getColorSpace()->getMode() == csSeparation) {
|
|
// this matches up with the code in the pdfImSep operator
|
|
n = (1 << colorMap->getBits()) - 1;
|
|
writePSFmt("{0:.4g} {1:.4g}", colorMap->getDecodeLow(0) * n,
|
|
colorMap->getDecodeHigh(0) * n);
|
|
} else if (colorMap->getColorSpace()->getMode() == csDeviceN) {
|
|
numComps = ((GfxDeviceNColorSpace *)colorMap->getColorSpace())->
|
|
getAlt()->getNComps();
|
|
for (i = 0; i < numComps; ++i) {
|
|
if (i > 0) {
|
|
writePS(" ");
|
|
}
|
|
writePS("0 1");
|
|
}
|
|
} else {
|
|
numComps = colorMap->getNumPixelComps();
|
|
for (i = 0; i < numComps; ++i) {
|
|
if (i > 0) {
|
|
writePS(" ");
|
|
}
|
|
writePSFmt("{0:.4g} {1:.4g}",
|
|
colorMap->getDecodeLow(i), colorMap->getDecodeHigh(i));
|
|
}
|
|
}
|
|
writePS("]\n");
|
|
} else {
|
|
writePSFmt(" /Decode [{0:d} {1:d}]\n", invert ? 1 : 0, invert ? 0 : 1);
|
|
}
|
|
|
|
// data source
|
|
if (mode == psModeForm || inType3Char || preload) {
|
|
writePS(" /DataSource { 2 copy get exch 1 add exch }\n");
|
|
} else {
|
|
writePS(" /DataSource currentfile\n");
|
|
}
|
|
|
|
// filters
|
|
s = str->getPSFilter(level < psLevel2 ? 1 : level < psLevel3 ? 2 : 3,
|
|
" ");
|
|
if ((colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) ||
|
|
inlineImg || !s) {
|
|
useRLE = gTrue;
|
|
useASCII = !(mode == psModeForm || inType3Char || preload);
|
|
useCompressed = gFalse;
|
|
} else {
|
|
useRLE = gFalse;
|
|
useASCII = str->isBinary() &&
|
|
!(mode == psModeForm || inType3Char || preload);
|
|
useCompressed = gTrue;
|
|
}
|
|
if (useASCII) {
|
|
writePSFmt(" /ASCII{0:s}Decode filter\n",
|
|
useASCIIHex ? "Hex" : "85");
|
|
}
|
|
if (useRLE) {
|
|
writePS(" /RunLengthDecode filter\n");
|
|
}
|
|
if (useCompressed) {
|
|
writePS(s->getCString());
|
|
}
|
|
if (s) {
|
|
delete s;
|
|
}
|
|
|
|
if (mode == psModeForm || inType3Char || preload) {
|
|
|
|
// end of image dictionary
|
|
writePSFmt(">>\n{0:s}\n", colorMap ? "image" : "imagemask");
|
|
|
|
// get rid of the array and index
|
|
writePS("pop pop\n");
|
|
|
|
} else {
|
|
|
|
// cut off inline image streams at appropriate length
|
|
if (inlineImg) {
|
|
str = new FixedLengthEncoder(str, len);
|
|
} else if (useCompressed) {
|
|
str = str->getUndecodedStream();
|
|
}
|
|
|
|
// recode DeviceN data
|
|
if (colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) {
|
|
str = new DeviceNRecoder(str, width, height, colorMap);
|
|
}
|
|
|
|
// add RunLengthEncode and ASCIIHex/85 encode filters
|
|
if (useRLE) {
|
|
str = new RunLengthEncoder(str);
|
|
}
|
|
if (useASCII) {
|
|
if (useASCIIHex) {
|
|
str = new ASCIIHexEncoder(str);
|
|
} else {
|
|
str = new ASCII85Encoder(str);
|
|
}
|
|
}
|
|
|
|
// end of image dictionary
|
|
writePS(">>\n");
|
|
#if OPI_SUPPORT
|
|
if (opi13Nest) {
|
|
if (inlineImg) {
|
|
// this can't happen -- OPI dictionaries are in XObjects
|
|
error(-1, "Internal: OPI in inline image");
|
|
n = 0;
|
|
} else {
|
|
// need to read the stream to count characters -- the length
|
|
// is data-dependent (because of ASCII and RLE filters)
|
|
str->reset();
|
|
n = 0;
|
|
while ((c = str->getChar()) != EOF) {
|
|
++n;
|
|
}
|
|
str->close();
|
|
}
|
|
// +6/7 for "pdfIm\n" / "pdfImM\n"
|
|
// +8 for newline + trailer
|
|
n += colorMap ? 14 : 15;
|
|
writePSFmt("%%BeginData: {0:d} Hex Bytes\n", n);
|
|
}
|
|
#endif
|
|
if ((level == psLevel2Sep || level == psLevel3Sep) && colorMap &&
|
|
colorMap->getColorSpace()->getMode() == csSeparation) {
|
|
color.c[0] = gfxColorComp1;
|
|
sepCS = (GfxSeparationColorSpace *)colorMap->getColorSpace();
|
|
sepCS->getCMYK(&color, &cmyk);
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} ({4:t}) pdfImSep\n",
|
|
colToDbl(cmyk.c), colToDbl(cmyk.m),
|
|
colToDbl(cmyk.y), colToDbl(cmyk.k),
|
|
sepCS->getName());
|
|
} else {
|
|
writePSFmt("{0:s}\n", colorMap ? "pdfIm" : "pdfImM");
|
|
}
|
|
|
|
// copy the stream data
|
|
str->reset();
|
|
while ((c = str->getChar()) != EOF) {
|
|
writePSChar(c);
|
|
}
|
|
str->close();
|
|
|
|
// add newline and trailer to the end
|
|
writePSChar('\n');
|
|
writePS("%-EOD-\n");
|
|
#if OPI_SUPPORT
|
|
if (opi13Nest) {
|
|
writePS("%%EndData\n");
|
|
}
|
|
#endif
|
|
|
|
// delete encoders
|
|
if (useRLE || useASCII || inlineImg) {
|
|
delete str;
|
|
}
|
|
}
|
|
|
|
if ((maskColors && colorMap && !inlineImg) || maskStr) {
|
|
writePS("pdfImClipEnd\n");
|
|
}
|
|
}
|
|
|
|
//~ this doesn't currently support OPI
|
|
void PSOutputDev::doImageL3(Object *ref, GfxImageColorMap *colorMap,
|
|
GBool invert, GBool inlineImg,
|
|
Stream *str, int width, int height, int len,
|
|
int *maskColors, Stream *maskStr,
|
|
int maskWidth, int maskHeight, GBool maskInvert) {
|
|
Stream *str2;
|
|
GString *s;
|
|
int n, numComps;
|
|
GBool useRLE, useASCII, useASCIIHex, useCompressed;
|
|
GBool maskUseRLE, maskUseASCII, maskUseCompressed;
|
|
GfxSeparationColorSpace *sepCS;
|
|
GfxColor color;
|
|
GfxCMYK cmyk;
|
|
int c;
|
|
int col, i;
|
|
|
|
useASCIIHex = globalParams->getPSASCIIHex();
|
|
useRLE = useASCII = useCompressed = gFalse; // make gcc happy
|
|
maskUseRLE = maskUseASCII = maskUseCompressed = gFalse; // make gcc happy
|
|
|
|
// color space
|
|
if (colorMap) {
|
|
dumpColorSpaceL2(colorMap->getColorSpace(), gFalse, gTrue, gFalse);
|
|
writePS(" setcolorspace\n");
|
|
}
|
|
|
|
// set up the image data
|
|
if (mode == psModeForm || inType3Char || preload) {
|
|
if (inlineImg) {
|
|
// create an array
|
|
str2 = new FixedLengthEncoder(str, len);
|
|
str2 = new RunLengthEncoder(str2);
|
|
if (useASCIIHex) {
|
|
str2 = new ASCIIHexEncoder(str2);
|
|
} else {
|
|
str2 = new ASCII85Encoder(str2);
|
|
}
|
|
str2->reset();
|
|
col = 0;
|
|
writePS((char *)(useASCIIHex ? "[<" : "[<~"));
|
|
do {
|
|
do {
|
|
c = str2->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == (useASCIIHex ? '>' : '~') || c == EOF) {
|
|
break;
|
|
}
|
|
if (c == 'z') {
|
|
writePSChar(c);
|
|
++col;
|
|
} else {
|
|
writePSChar(c);
|
|
++col;
|
|
for (i = 1; i <= (useASCIIHex ? 1 : 4); ++i) {
|
|
do {
|
|
c = str2->getChar();
|
|
} while (c == '\n' || c == '\r');
|
|
if (c == (useASCIIHex ? '>' : '~') || c == EOF) {
|
|
break;
|
|
}
|
|
writePSChar(c);
|
|
++col;
|
|
}
|
|
}
|
|
// each line is: "<~...data...~><eol>"
|
|
// so max data length = 255 - 6 = 249
|
|
// chunks are 1 or 5 bytes each, so we have to stop at 245
|
|
// but make it 240 just to be safe
|
|
if (col > 240) {
|
|
writePS((char *)(useASCIIHex ? ">\n<" : "~>\n<~"));
|
|
col = 0;
|
|
}
|
|
} while (c != (useASCIIHex ? '>' : '~') && c != EOF);
|
|
writePS((char *)(useASCIIHex ? ">\n" : "~>\n"));
|
|
// add an extra entry because the RunLengthDecode filter may
|
|
// read past the end
|
|
writePS("<>]\n");
|
|
writePS("0\n");
|
|
str2->close();
|
|
delete str2;
|
|
} else {
|
|
// set up to use the array already created by setupImages()
|
|
writePSFmt("ImData_{0:d}_{1:d} 0\n", ref->getRefNum(), ref->getRefGen());
|
|
}
|
|
}
|
|
|
|
// explicit masking
|
|
if (maskStr) {
|
|
writePS("<<\n /ImageType 3\n");
|
|
writePS(" /InterleaveType 3\n");
|
|
writePS(" /DataDict\n");
|
|
}
|
|
|
|
// image (data) dictionary
|
|
writePSFmt("<<\n /ImageType {0:d}\n", (maskColors && colorMap) ? 4 : 1);
|
|
|
|
// color key masking
|
|
if (maskColors && colorMap) {
|
|
writePS(" /MaskColor [\n");
|
|
numComps = colorMap->getNumPixelComps();
|
|
for (i = 0; i < 2 * numComps; i += 2) {
|
|
writePSFmt(" {0:d} {1:d}\n", maskColors[i], maskColors[i+1]);
|
|
}
|
|
writePS(" ]\n");
|
|
}
|
|
|
|
// width, height, matrix, bits per component
|
|
writePSFmt(" /Width {0:d}\n", width);
|
|
writePSFmt(" /Height {0:d}\n", height);
|
|
writePSFmt(" /ImageMatrix [{0:d} 0 0 {1:d} 0 {2:d}]\n",
|
|
width, -height, height);
|
|
if (colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) {
|
|
writePS(" /BitsPerComponent 8\n");
|
|
} else {
|
|
writePSFmt(" /BitsPerComponent {0:d}\n",
|
|
colorMap ? colorMap->getBits() : 1);
|
|
}
|
|
|
|
// decode
|
|
if (colorMap) {
|
|
writePS(" /Decode [");
|
|
if ((level == psLevel2Sep || level == psLevel3Sep) &&
|
|
colorMap->getColorSpace()->getMode() == csSeparation) {
|
|
// this matches up with the code in the pdfImSep operator
|
|
n = (1 << colorMap->getBits()) - 1;
|
|
writePSFmt("{0:.4g} {1:.4g}", colorMap->getDecodeLow(0) * n,
|
|
colorMap->getDecodeHigh(0) * n);
|
|
} else if (colorMap->getColorSpace()->getMode() == csDeviceN) {
|
|
numComps = ((GfxDeviceNColorSpace *)colorMap->getColorSpace())->
|
|
getAlt()->getNComps();
|
|
for (i = 0; i < numComps; ++i) {
|
|
if (i > 0) {
|
|
writePS(" ");
|
|
}
|
|
writePS("0 1");
|
|
}
|
|
} else {
|
|
numComps = colorMap->getNumPixelComps();
|
|
for (i = 0; i < numComps; ++i) {
|
|
if (i > 0) {
|
|
writePS(" ");
|
|
}
|
|
writePSFmt("{0:.4g} {1:.4g}", colorMap->getDecodeLow(i),
|
|
colorMap->getDecodeHigh(i));
|
|
}
|
|
}
|
|
writePS("]\n");
|
|
} else {
|
|
writePSFmt(" /Decode [{0:d} {1:d}]\n", invert ? 1 : 0, invert ? 0 : 1);
|
|
}
|
|
|
|
// data source
|
|
if (mode == psModeForm || inType3Char || preload) {
|
|
writePS(" /DataSource { 2 copy get exch 1 add exch }\n");
|
|
} else {
|
|
writePS(" /DataSource currentfile\n");
|
|
}
|
|
|
|
// filters
|
|
s = str->getPSFilter(level < psLevel2 ? 1 : level < psLevel3 ? 2 : 3,
|
|
" ");
|
|
if ((colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) ||
|
|
inlineImg || !s) {
|
|
useRLE = gTrue;
|
|
useASCII = !(mode == psModeForm || inType3Char || preload);
|
|
useCompressed = gFalse;
|
|
} else {
|
|
useRLE = gFalse;
|
|
useASCII = str->isBinary() &&
|
|
!(mode == psModeForm || inType3Char || preload);
|
|
useCompressed = gTrue;
|
|
}
|
|
if (useASCII) {
|
|
writePSFmt(" /ASCII{0:s}Decode filter\n",
|
|
useASCIIHex ? "Hex" : "85");
|
|
}
|
|
if (useRLE) {
|
|
writePS(" /RunLengthDecode filter\n");
|
|
}
|
|
if (useCompressed) {
|
|
writePS(s->getCString());
|
|
}
|
|
if (s) {
|
|
delete s;
|
|
}
|
|
|
|
// end of image (data) dictionary
|
|
writePS(">>\n");
|
|
|
|
// explicit masking
|
|
if (maskStr) {
|
|
writePS(" /MaskDict\n");
|
|
writePS("<<\n");
|
|
writePS(" /ImageType 1\n");
|
|
writePSFmt(" /Width {0:d}\n", maskWidth);
|
|
writePSFmt(" /Height {0:d}\n", maskHeight);
|
|
writePSFmt(" /ImageMatrix [{0:d} 0 0 {1:d} 0 {2:d}]\n",
|
|
maskWidth, -maskHeight, maskHeight);
|
|
writePS(" /BitsPerComponent 1\n");
|
|
writePSFmt(" /Decode [{0:d} {1:d}]\n",
|
|
maskInvert ? 1 : 0, maskInvert ? 0 : 1);
|
|
|
|
// mask data source
|
|
writePS(" /DataSource currentfile\n");
|
|
s = maskStr->getPSFilter(3, " ");
|
|
if (!s) {
|
|
maskUseRLE = gTrue;
|
|
maskUseASCII = gTrue;
|
|
maskUseCompressed = gFalse;
|
|
} else {
|
|
maskUseRLE = gFalse;
|
|
maskUseASCII = maskStr->isBinary();
|
|
maskUseCompressed = gTrue;
|
|
}
|
|
if (maskUseASCII) {
|
|
writePSFmt(" /ASCII{0:s}Decode filter\n",
|
|
useASCIIHex ? "Hex" : "85");
|
|
}
|
|
if (maskUseRLE) {
|
|
writePS(" /RunLengthDecode filter\n");
|
|
}
|
|
if (maskUseCompressed) {
|
|
writePS(s->getCString());
|
|
}
|
|
if (s) {
|
|
delete s;
|
|
}
|
|
|
|
writePS(">>\n");
|
|
writePS(">>\n");
|
|
}
|
|
|
|
if (mode == psModeForm || inType3Char || preload) {
|
|
|
|
// image command
|
|
writePSFmt("{0:s}\n", colorMap ? "image" : "imagemask");
|
|
|
|
} else {
|
|
|
|
if ((level == psLevel2Sep || level == psLevel3Sep) && colorMap &&
|
|
colorMap->getColorSpace()->getMode() == csSeparation) {
|
|
color.c[0] = gfxColorComp1;
|
|
sepCS = (GfxSeparationColorSpace *)colorMap->getColorSpace();
|
|
sepCS->getCMYK(&color, &cmyk);
|
|
writePSFmt("{0:.4g} {1:.4g} {2:.4g} {3:.4g} ({4:t}) pdfImSep\n",
|
|
colToDbl(cmyk.c), colToDbl(cmyk.m),
|
|
colToDbl(cmyk.y), colToDbl(cmyk.k),
|
|
sepCS->getName());
|
|
} else {
|
|
writePSFmt("{0:s}\n", colorMap ? "pdfIm" : "pdfImM");
|
|
}
|
|
|
|
}
|
|
|
|
// explicit masking
|
|
if (maskStr) {
|
|
|
|
if (maskUseCompressed) {
|
|
maskStr = maskStr->getUndecodedStream();
|
|
}
|
|
|
|
// add RunLengthEncode and ASCIIHex/85 encode filters
|
|
if (maskUseRLE) {
|
|
maskStr = new RunLengthEncoder(maskStr);
|
|
}
|
|
if (maskUseASCII) {
|
|
if (useASCIIHex) {
|
|
maskStr = new ASCIIHexEncoder(maskStr);
|
|
} else {
|
|
maskStr = new ASCII85Encoder(maskStr);
|
|
}
|
|
}
|
|
|
|
// copy the stream data
|
|
maskStr->reset();
|
|
while ((c = maskStr->getChar()) != EOF) {
|
|
writePSChar(c);
|
|
}
|
|
maskStr->close();
|
|
writePSChar('\n');
|
|
|
|
// delete encoders
|
|
if (maskUseRLE || maskUseASCII) {
|
|
delete maskStr;
|
|
}
|
|
}
|
|
|
|
// get rid of the array and index
|
|
if (mode == psModeForm || inType3Char || preload) {
|
|
writePS("pop pop\n");
|
|
|
|
// image data
|
|
} else {
|
|
|
|
// cut off inline image streams at appropriate length
|
|
if (inlineImg) {
|
|
str = new FixedLengthEncoder(str, len);
|
|
} else if (useCompressed) {
|
|
str = str->getUndecodedStream();
|
|
}
|
|
|
|
// recode DeviceN data
|
|
if (colorMap && colorMap->getColorSpace()->getMode() == csDeviceN) {
|
|
str = new DeviceNRecoder(str, width, height, colorMap);
|
|
}
|
|
|
|
// add RunLengthEncode and ASCIIHex/85 encode filters
|
|
if (useRLE) {
|
|
str = new RunLengthEncoder(str);
|
|
}
|
|
if (useASCII) {
|
|
if (useASCIIHex) {
|
|
str = new ASCIIHexEncoder(str);
|
|
} else {
|
|
str = new ASCII85Encoder(str);
|
|
}
|
|
}
|
|
|
|
// copy the stream data
|
|
str->reset();
|
|
while ((c = str->getChar()) != EOF) {
|
|
writePSChar(c);
|
|
}
|
|
str->close();
|
|
|
|
// add newline and trailer to the end
|
|
writePSChar('\n');
|
|
writePS("%-EOD-\n");
|
|
|
|
// delete encoders
|
|
if (useRLE || useASCII || inlineImg) {
|
|
delete str;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::dumpColorSpaceL2(GfxColorSpace *colorSpace,
|
|
GBool genXform, GBool updateColors,
|
|
GBool map01) {
|
|
GfxCalGrayColorSpace *calGrayCS;
|
|
GfxCalRGBColorSpace *calRGBCS;
|
|
GfxLabColorSpace *labCS;
|
|
GfxIndexedColorSpace *indexedCS;
|
|
GfxSeparationColorSpace *separationCS;
|
|
GfxDeviceNColorSpace *deviceNCS;
|
|
GfxColorSpace *baseCS;
|
|
Guchar *lookup, *p;
|
|
double x[gfxColorMaxComps], y[gfxColorMaxComps];
|
|
double low[gfxColorMaxComps], range[gfxColorMaxComps];
|
|
GfxColor color;
|
|
GfxCMYK cmyk;
|
|
Function *func;
|
|
int n, numComps, numAltComps;
|
|
int byte;
|
|
int i, j, k;
|
|
|
|
switch (colorSpace->getMode()) {
|
|
|
|
case csDeviceGray:
|
|
writePS("/DeviceGray");
|
|
if (genXform) {
|
|
writePS(" {}");
|
|
}
|
|
if (updateColors) {
|
|
processColors |= psProcessBlack;
|
|
}
|
|
break;
|
|
|
|
case csCalGray:
|
|
calGrayCS = (GfxCalGrayColorSpace *)colorSpace;
|
|
writePS("[/CIEBasedA <<\n");
|
|
writePSFmt(" /DecodeA {{{0:.4g} exp}} bind\n", calGrayCS->getGamma());
|
|
writePSFmt(" /MatrixA [{0:.4g} {1:.4g} {2:.4g}]\n",
|
|
calGrayCS->getWhiteX(), calGrayCS->getWhiteY(),
|
|
calGrayCS->getWhiteZ());
|
|
writePSFmt(" /WhitePoint [{0:.4g} {1:.4g} {2:.4g}]\n",
|
|
calGrayCS->getWhiteX(), calGrayCS->getWhiteY(),
|
|
calGrayCS->getWhiteZ());
|
|
writePSFmt(" /BlackPoint [{0:.4g} {1:.4g} {2:.4g}]\n",
|
|
calGrayCS->getBlackX(), calGrayCS->getBlackY(),
|
|
calGrayCS->getBlackZ());
|
|
writePS(">>]");
|
|
if (genXform) {
|
|
writePS(" {}");
|
|
}
|
|
if (updateColors) {
|
|
processColors |= psProcessBlack;
|
|
}
|
|
break;
|
|
|
|
case csDeviceRGB:
|
|
writePS("/DeviceRGB");
|
|
if (genXform) {
|
|
writePS(" {}");
|
|
}
|
|
if (updateColors) {
|
|
processColors |= psProcessCMYK;
|
|
}
|
|
break;
|
|
|
|
case csCalRGB:
|
|
calRGBCS = (GfxCalRGBColorSpace *)colorSpace;
|
|
writePS("[/CIEBasedABC <<\n");
|
|
writePSFmt(" /DecodeABC [{{{0:.4g} exp}} bind {{{1:.4g} exp}} bind {{{2:.4g} exp}} bind]\n",
|
|
calRGBCS->getGammaR(), calRGBCS->getGammaG(),
|
|
calRGBCS->getGammaB());
|
|
writePSFmt(" /MatrixABC [{0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g} {6:.4g} {7:.4g} {8:.4g}]\n",
|
|
calRGBCS->getMatrix()[0], calRGBCS->getMatrix()[1],
|
|
calRGBCS->getMatrix()[2], calRGBCS->getMatrix()[3],
|
|
calRGBCS->getMatrix()[4], calRGBCS->getMatrix()[5],
|
|
calRGBCS->getMatrix()[6], calRGBCS->getMatrix()[7],
|
|
calRGBCS->getMatrix()[8]);
|
|
writePSFmt(" /WhitePoint [{0:.4g} {1:.4g} {2:.4g}]\n",
|
|
calRGBCS->getWhiteX(), calRGBCS->getWhiteY(),
|
|
calRGBCS->getWhiteZ());
|
|
writePSFmt(" /BlackPoint [{0:.4g} {1:.4g} {2:.4g}]\n",
|
|
calRGBCS->getBlackX(), calRGBCS->getBlackY(),
|
|
calRGBCS->getBlackZ());
|
|
writePS(">>]");
|
|
if (genXform) {
|
|
writePS(" {}");
|
|
}
|
|
if (updateColors) {
|
|
processColors |= psProcessCMYK;
|
|
}
|
|
break;
|
|
|
|
case csDeviceCMYK:
|
|
writePS("/DeviceCMYK");
|
|
if (genXform) {
|
|
writePS(" {}");
|
|
}
|
|
if (updateColors) {
|
|
processColors |= psProcessCMYK;
|
|
}
|
|
break;
|
|
|
|
case csLab:
|
|
labCS = (GfxLabColorSpace *)colorSpace;
|
|
writePS("[/CIEBasedABC <<\n");
|
|
if (map01) {
|
|
writePS(" /RangeABC [0 1 0 1 0 1]\n");
|
|
writePSFmt(" /DecodeABC [{{100 mul 16 add 116 div}} bind {{{0:.4g} mul {1:.4g} add}} bind {{{2:.4g} mul {3:.4g} add}} bind]\n",
|
|
(labCS->getAMax() - labCS->getAMin()) / 500.0,
|
|
labCS->getAMin() / 500.0,
|
|
(labCS->getBMax() - labCS->getBMin()) / 200.0,
|
|
labCS->getBMin() / 200.0);
|
|
} else {
|
|
writePSFmt(" /RangeABC [0 100 {0:.4g} {1:.4g} {2:.4g} {3:.4g}]\n",
|
|
labCS->getAMin(), labCS->getAMax(),
|
|
labCS->getBMin(), labCS->getBMax());
|
|
writePS(" /DecodeABC [{16 add 116 div} bind {500 div} bind {200 div} bind]\n");
|
|
}
|
|
writePS(" /MatrixABC [1 1 1 1 0 0 0 0 -1]\n");
|
|
writePS(" /DecodeLMN\n");
|
|
writePS(" [{dup 6 29 div ge {dup dup mul mul}\n");
|
|
writePSFmt(" {{4 29 div sub 108 841 div mul }} ifelse {0:.4g} mul}} bind\n",
|
|
labCS->getWhiteX());
|
|
writePS(" {dup 6 29 div ge {dup dup mul mul}\n");
|
|
writePSFmt(" {{4 29 div sub 108 841 div mul }} ifelse {0:.4g} mul}} bind\n",
|
|
labCS->getWhiteY());
|
|
writePS(" {dup 6 29 div ge {dup dup mul mul}\n");
|
|
writePSFmt(" {{4 29 div sub 108 841 div mul }} ifelse {0:.4g} mul}} bind]\n",
|
|
labCS->getWhiteZ());
|
|
writePSFmt(" /WhitePoint [{0:.4g} {1:.4g} {2:.4g}]\n",
|
|
labCS->getWhiteX(), labCS->getWhiteY(), labCS->getWhiteZ());
|
|
writePSFmt(" /BlackPoint [{0:.4g} {1:.4g} {2:.4g}]\n",
|
|
labCS->getBlackX(), labCS->getBlackY(), labCS->getBlackZ());
|
|
writePS(">>]");
|
|
if (genXform) {
|
|
writePS(" {}");
|
|
}
|
|
if (updateColors) {
|
|
processColors |= psProcessCMYK;
|
|
}
|
|
break;
|
|
|
|
case csICCBased:
|
|
// there is no transform function to the alternate color space, so
|
|
// we can use it directly
|
|
dumpColorSpaceL2(((GfxICCBasedColorSpace *)colorSpace)->getAlt(),
|
|
genXform, updateColors, gFalse);
|
|
break;
|
|
|
|
case csIndexed:
|
|
indexedCS = (GfxIndexedColorSpace *)colorSpace;
|
|
baseCS = indexedCS->getBase();
|
|
writePS("[/Indexed ");
|
|
dumpColorSpaceL2(baseCS, gFalse, gFalse, gTrue);
|
|
n = indexedCS->getIndexHigh();
|
|
numComps = baseCS->getNComps();
|
|
lookup = indexedCS->getLookup();
|
|
writePSFmt(" {0:d} <\n", n);
|
|
if (baseCS->getMode() == csDeviceN) {
|
|
func = ((GfxDeviceNColorSpace *)baseCS)->getTintTransformFunc();
|
|
baseCS->getDefaultRanges(low, range, indexedCS->getIndexHigh());
|
|
if (((GfxDeviceNColorSpace *)baseCS)->getAlt()->getMode() == csLab) {
|
|
labCS = (GfxLabColorSpace *)((GfxDeviceNColorSpace *)baseCS)->getAlt();
|
|
} else {
|
|
labCS = NULL;
|
|
}
|
|
numAltComps = ((GfxDeviceNColorSpace *)baseCS)->getAlt()->getNComps();
|
|
p = lookup;
|
|
for (i = 0; i <= n; i += 8) {
|
|
writePS(" ");
|
|
for (j = i; j < i+8 && j <= n; ++j) {
|
|
for (k = 0; k < numComps; ++k) {
|
|
x[k] = low[k] + (*p++ / 255.0) * range[k];
|
|
}
|
|
func->transform(x, y);
|
|
if (labCS) {
|
|
y[0] /= 100.0;
|
|
y[1] = (y[1] - labCS->getAMin()) /
|
|
(labCS->getAMax() - labCS->getAMin());
|
|
y[2] = (y[2] - labCS->getBMin()) /
|
|
(labCS->getBMax() - labCS->getBMin());
|
|
}
|
|
for (k = 0; k < numAltComps; ++k) {
|
|
byte = (int)(y[k] * 255 + 0.5);
|
|
if (byte < 0) {
|
|
byte = 0;
|
|
} else if (byte > 255) {
|
|
byte = 255;
|
|
}
|
|
writePSFmt("{0:02x}", byte);
|
|
}
|
|
if (updateColors) {
|
|
color.c[0] = dblToCol(j);
|
|
indexedCS->getCMYK(&color, &cmyk);
|
|
addProcessColor(colToDbl(cmyk.c), colToDbl(cmyk.m),
|
|
colToDbl(cmyk.y), colToDbl(cmyk.k));
|
|
}
|
|
}
|
|
writePS("\n");
|
|
}
|
|
} else {
|
|
for (i = 0; i <= n; i += 8) {
|
|
writePS(" ");
|
|
for (j = i; j < i+8 && j <= n; ++j) {
|
|
for (k = 0; k < numComps; ++k) {
|
|
writePSFmt("{0:02x}", lookup[j * numComps + k]);
|
|
}
|
|
if (updateColors) {
|
|
color.c[0] = dblToCol(j);
|
|
indexedCS->getCMYK(&color, &cmyk);
|
|
addProcessColor(colToDbl(cmyk.c), colToDbl(cmyk.m),
|
|
colToDbl(cmyk.y), colToDbl(cmyk.k));
|
|
}
|
|
}
|
|
writePS("\n");
|
|
}
|
|
}
|
|
writePS(">]");
|
|
if (genXform) {
|
|
writePS(" {}");
|
|
}
|
|
break;
|
|
|
|
case csSeparation:
|
|
separationCS = (GfxSeparationColorSpace *)colorSpace;
|
|
writePS("[/Separation ");
|
|
writePSString(separationCS->getName());
|
|
writePS(" ");
|
|
dumpColorSpaceL2(separationCS->getAlt(), gFalse, gFalse, gFalse);
|
|
writePS("\n");
|
|
cvtFunction(separationCS->getFunc());
|
|
writePS("]");
|
|
if (genXform) {
|
|
writePS(" {}");
|
|
}
|
|
if (updateColors) {
|
|
addCustomColor(separationCS);
|
|
}
|
|
break;
|
|
|
|
case csDeviceN:
|
|
// DeviceN color spaces are a Level 3 PostScript feature.
|
|
deviceNCS = (GfxDeviceNColorSpace *)colorSpace;
|
|
dumpColorSpaceL2(deviceNCS->getAlt(), gFalse, updateColors, map01);
|
|
if (genXform) {
|
|
writePS(" ");
|
|
cvtFunction(deviceNCS->getTintTransformFunc());
|
|
}
|
|
break;
|
|
|
|
case csPattern:
|
|
//~ unimplemented
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if OPI_SUPPORT
|
|
void PSOutputDev::opiBegin(GfxState *state, Dict *opiDict) {
|
|
Object dict;
|
|
|
|
if (globalParams->getPSOPI()) {
|
|
opiDict->lookup("2.0", &dict);
|
|
if (dict.isDict()) {
|
|
opiBegin20(state, dict.getDict());
|
|
dict.free();
|
|
} else {
|
|
dict.free();
|
|
opiDict->lookup("1.3", &dict);
|
|
if (dict.isDict()) {
|
|
opiBegin13(state, dict.getDict());
|
|
}
|
|
dict.free();
|
|
}
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::opiBegin20(GfxState *state, Dict *dict) {
|
|
Object obj1, obj2, obj3, obj4;
|
|
double width, height, left, right, top, bottom;
|
|
int w, h;
|
|
int i;
|
|
|
|
writePS("%%BeginOPI: 2.0\n");
|
|
writePS("%%Distilled\n");
|
|
|
|
dict->lookup("F", &obj1);
|
|
if (getFileSpec(&obj1, &obj2)) {
|
|
writePSFmt("%%ImageFileName: {0:t}\n", obj2.getString());
|
|
obj2.free();
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("MainImage", &obj1);
|
|
if (obj1.isString()) {
|
|
writePSFmt("%%MainImage: {0:t}\n", obj1.getString());
|
|
}
|
|
obj1.free();
|
|
|
|
//~ ignoring 'Tags' entry
|
|
//~ need to use writePSString() and deal with >255-char lines
|
|
|
|
dict->lookup("Size", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 2) {
|
|
obj1.arrayGet(0, &obj2);
|
|
width = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
height = obj2.getNum();
|
|
obj2.free();
|
|
writePSFmt("%%ImageDimensions: {0:.4g} {1:.4g}\n", width, height);
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("CropRect", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 4) {
|
|
obj1.arrayGet(0, &obj2);
|
|
left = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
top = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(2, &obj2);
|
|
right = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(3, &obj2);
|
|
bottom = obj2.getNum();
|
|
obj2.free();
|
|
writePSFmt("%%ImageCropRect: {0:.4g} {1:.4g} {2:.4g} {3:.4g}\n",
|
|
left, top, right, bottom);
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("Overprint", &obj1);
|
|
if (obj1.isBool()) {
|
|
writePSFmt("%%ImageOverprint: {0:s}\n", obj1.getBool() ? "true" : "false");
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("Inks", &obj1);
|
|
if (obj1.isName()) {
|
|
writePSFmt("%%ImageInks: {0:s}\n", obj1.getName());
|
|
} else if (obj1.isArray() && obj1.arrayGetLength() >= 1) {
|
|
obj1.arrayGet(0, &obj2);
|
|
if (obj2.isName()) {
|
|
writePSFmt("%%ImageInks: {0:s} {1:d}",
|
|
obj2.getName(), (obj1.arrayGetLength() - 1) / 2);
|
|
for (i = 1; i+1 < obj1.arrayGetLength(); i += 2) {
|
|
obj1.arrayGet(i, &obj3);
|
|
obj1.arrayGet(i+1, &obj4);
|
|
if (obj3.isString() && obj4.isNum()) {
|
|
writePS(" ");
|
|
writePSString(obj3.getString());
|
|
writePSFmt(" {0:.4g}", obj4.getNum());
|
|
}
|
|
obj3.free();
|
|
obj4.free();
|
|
}
|
|
writePS("\n");
|
|
}
|
|
obj2.free();
|
|
}
|
|
obj1.free();
|
|
|
|
writePS("gsave\n");
|
|
|
|
writePS("%%BeginIncludedImage\n");
|
|
|
|
dict->lookup("IncludedImageDimensions", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 2) {
|
|
obj1.arrayGet(0, &obj2);
|
|
w = obj2.getInt();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
h = obj2.getInt();
|
|
obj2.free();
|
|
writePSFmt("%%IncludedImageDimensions: {0:d} {1:d}\n", w, h);
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("IncludedImageQuality", &obj1);
|
|
if (obj1.isNum()) {
|
|
writePSFmt("%%IncludedImageQuality: {0:.4g}\n", obj1.getNum());
|
|
}
|
|
obj1.free();
|
|
|
|
++opi20Nest;
|
|
}
|
|
|
|
void PSOutputDev::opiBegin13(GfxState *state, Dict *dict) {
|
|
Object obj1, obj2;
|
|
int left, right, top, bottom, samples, bits, width, height;
|
|
double c, m, y, k;
|
|
double llx, lly, ulx, uly, urx, ury, lrx, lry;
|
|
double tllx, tlly, tulx, tuly, turx, tury, tlrx, tlry;
|
|
double horiz, vert;
|
|
int i, j;
|
|
|
|
writePS("save\n");
|
|
writePS("/opiMatrix2 matrix currentmatrix def\n");
|
|
writePS("opiMatrix setmatrix\n");
|
|
|
|
dict->lookup("F", &obj1);
|
|
if (getFileSpec(&obj1, &obj2)) {
|
|
writePSFmt("%ALDImageFileName: {0:t}\n", obj2.getString());
|
|
obj2.free();
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("CropRect", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 4) {
|
|
obj1.arrayGet(0, &obj2);
|
|
left = obj2.getInt();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
top = obj2.getInt();
|
|
obj2.free();
|
|
obj1.arrayGet(2, &obj2);
|
|
right = obj2.getInt();
|
|
obj2.free();
|
|
obj1.arrayGet(3, &obj2);
|
|
bottom = obj2.getInt();
|
|
obj2.free();
|
|
writePSFmt("%ALDImageCropRect: {0:d} {1:d} {2:d} {3:d}\n",
|
|
left, top, right, bottom);
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("Color", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 5) {
|
|
obj1.arrayGet(0, &obj2);
|
|
c = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
m = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(2, &obj2);
|
|
y = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(3, &obj2);
|
|
k = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(4, &obj2);
|
|
if (obj2.isString()) {
|
|
writePSFmt("%ALDImageColor: {0:.4g} {1:.4g} {2:.4g} {3:.4g} ",
|
|
c, m, y, k);
|
|
writePSString(obj2.getString());
|
|
writePS("\n");
|
|
}
|
|
obj2.free();
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("ColorType", &obj1);
|
|
if (obj1.isName()) {
|
|
writePSFmt("%ALDImageColorType: {0:s}\n", obj1.getName());
|
|
}
|
|
obj1.free();
|
|
|
|
//~ ignores 'Comments' entry
|
|
//~ need to handle multiple lines
|
|
|
|
dict->lookup("CropFixed", &obj1);
|
|
if (obj1.isArray()) {
|
|
obj1.arrayGet(0, &obj2);
|
|
ulx = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
uly = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(2, &obj2);
|
|
lrx = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(3, &obj2);
|
|
lry = obj2.getNum();
|
|
obj2.free();
|
|
writePSFmt("%ALDImageCropFixed: {0:.4g} {1:.4g} {2:.4g} {3:.4g}\n",
|
|
ulx, uly, lrx, lry);
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("GrayMap", &obj1);
|
|
if (obj1.isArray()) {
|
|
writePS("%ALDImageGrayMap:");
|
|
for (i = 0; i < obj1.arrayGetLength(); i += 16) {
|
|
if (i > 0) {
|
|
writePS("\n%%+");
|
|
}
|
|
for (j = 0; j < 16 && i+j < obj1.arrayGetLength(); ++j) {
|
|
obj1.arrayGet(i+j, &obj2);
|
|
writePSFmt(" {0:d}", obj2.getInt());
|
|
obj2.free();
|
|
}
|
|
}
|
|
writePS("\n");
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("ID", &obj1);
|
|
if (obj1.isString()) {
|
|
writePSFmt("%ALDImageID: {0:t}\n", obj1.getString());
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("ImageType", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 2) {
|
|
obj1.arrayGet(0, &obj2);
|
|
samples = obj2.getInt();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
bits = obj2.getInt();
|
|
obj2.free();
|
|
writePSFmt("%ALDImageType: {0:d} {1:d}\n", samples, bits);
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("Overprint", &obj1);
|
|
if (obj1.isBool()) {
|
|
writePSFmt("%ALDImageOverprint: {0:s}\n",
|
|
obj1.getBool() ? "true" : "false");
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("Position", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 8) {
|
|
obj1.arrayGet(0, &obj2);
|
|
llx = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
lly = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(2, &obj2);
|
|
ulx = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(3, &obj2);
|
|
uly = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(4, &obj2);
|
|
urx = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(5, &obj2);
|
|
ury = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(6, &obj2);
|
|
lrx = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(7, &obj2);
|
|
lry = obj2.getNum();
|
|
obj2.free();
|
|
opiTransform(state, llx, lly, &tllx, &tlly);
|
|
opiTransform(state, ulx, uly, &tulx, &tuly);
|
|
opiTransform(state, urx, ury, &turx, &tury);
|
|
opiTransform(state, lrx, lry, &tlrx, &tlry);
|
|
writePSFmt("%ALDImagePosition: {0:.4g} {1:.4g} {2:.4g} {3:.4g} {4:.4g} {5:.4g} {6:.4g} {7:.4g}\n",
|
|
tllx, tlly, tulx, tuly, turx, tury, tlrx, tlry);
|
|
obj2.free();
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("Resolution", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 2) {
|
|
obj1.arrayGet(0, &obj2);
|
|
horiz = obj2.getNum();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
vert = obj2.getNum();
|
|
obj2.free();
|
|
writePSFmt("%ALDImageResoution: {0:.4g} {1:.4g}\n", horiz, vert);
|
|
obj2.free();
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("Size", &obj1);
|
|
if (obj1.isArray() && obj1.arrayGetLength() == 2) {
|
|
obj1.arrayGet(0, &obj2);
|
|
width = obj2.getInt();
|
|
obj2.free();
|
|
obj1.arrayGet(1, &obj2);
|
|
height = obj2.getInt();
|
|
obj2.free();
|
|
writePSFmt("%ALDImageDimensions: {0:d} {1:d}\n", width, height);
|
|
}
|
|
obj1.free();
|
|
|
|
//~ ignoring 'Tags' entry
|
|
//~ need to use writePSString() and deal with >255-char lines
|
|
|
|
dict->lookup("Tint", &obj1);
|
|
if (obj1.isNum()) {
|
|
writePSFmt("%ALDImageTint: {0:.4g}\n", obj1.getNum());
|
|
}
|
|
obj1.free();
|
|
|
|
dict->lookup("Transparency", &obj1);
|
|
if (obj1.isBool()) {
|
|
writePSFmt("%ALDImageTransparency: {0:s}\n",
|
|
obj1.getBool() ? "true" : "false");
|
|
}
|
|
obj1.free();
|
|
|
|
writePS("%%BeginObject: image\n");
|
|
writePS("opiMatrix2 setmatrix\n");
|
|
++opi13Nest;
|
|
}
|
|
|
|
// Convert PDF user space coordinates to PostScript default user space
|
|
// coordinates. This has to account for both the PDF CTM and the
|
|
// PSOutputDev page-fitting transform.
|
|
void PSOutputDev::opiTransform(GfxState *state, double x0, double y0,
|
|
double *x1, double *y1) {
|
|
double t;
|
|
|
|
state->transform(x0, y0, x1, y1);
|
|
*x1 += tx;
|
|
*y1 += ty;
|
|
if (rotate == 90) {
|
|
t = *x1;
|
|
*x1 = -*y1;
|
|
*y1 = t;
|
|
} else if (rotate == 180) {
|
|
*x1 = -*x1;
|
|
*y1 = -*y1;
|
|
} else if (rotate == 270) {
|
|
t = *x1;
|
|
*x1 = *y1;
|
|
*y1 = -t;
|
|
}
|
|
*x1 *= xScale;
|
|
*y1 *= yScale;
|
|
}
|
|
|
|
void PSOutputDev::opiEnd(GfxState *state, Dict *opiDict) {
|
|
Object dict;
|
|
|
|
if (globalParams->getPSOPI()) {
|
|
opiDict->lookup("2.0", &dict);
|
|
if (dict.isDict()) {
|
|
writePS("%%EndIncludedImage\n");
|
|
writePS("%%EndOPI\n");
|
|
writePS("grestore\n");
|
|
--opi20Nest;
|
|
dict.free();
|
|
} else {
|
|
dict.free();
|
|
opiDict->lookup("1.3", &dict);
|
|
if (dict.isDict()) {
|
|
writePS("%%EndObject\n");
|
|
writePS("restore\n");
|
|
--opi13Nest;
|
|
}
|
|
dict.free();
|
|
}
|
|
}
|
|
}
|
|
|
|
GBool PSOutputDev::getFileSpec(Object *fileSpec, Object *fileName) {
|
|
if (fileSpec->isString()) {
|
|
fileSpec->copy(fileName);
|
|
return gTrue;
|
|
}
|
|
if (fileSpec->isDict()) {
|
|
fileSpec->dictLookup("DOS", fileName);
|
|
if (fileName->isString()) {
|
|
return gTrue;
|
|
}
|
|
fileName->free();
|
|
fileSpec->dictLookup("Mac", fileName);
|
|
if (fileName->isString()) {
|
|
return gTrue;
|
|
}
|
|
fileName->free();
|
|
fileSpec->dictLookup("Unix", fileName);
|
|
if (fileName->isString()) {
|
|
return gTrue;
|
|
}
|
|
fileName->free();
|
|
fileSpec->dictLookup("F", fileName);
|
|
if (fileName->isString()) {
|
|
return gTrue;
|
|
}
|
|
fileName->free();
|
|
}
|
|
return gFalse;
|
|
}
|
|
#endif // OPI_SUPPORT
|
|
|
|
void PSOutputDev::type3D0(GfxState * /*state*/, double wx, double wy) {
|
|
writePSFmt("{0:.4g} {1:.4g} setcharwidth\n", wx, wy);
|
|
writePS("q\n");
|
|
t3NeedsRestore = gTrue;
|
|
}
|
|
|
|
void PSOutputDev::type3D1(GfxState * /*state*/, double wx, double wy,
|
|
double llx, double lly, double urx, double ury) {
|
|
t3WX = wx;
|
|
t3WY = wy;
|
|
t3LLX = llx;
|
|
t3LLY = lly;
|
|
t3URX = urx;
|
|
t3URY = ury;
|
|
t3String = new GString();
|
|
writePS("q\n");
|
|
t3Cacheable = gTrue;
|
|
t3NeedsRestore = gTrue;
|
|
}
|
|
|
|
void PSOutputDev::drawForm(Ref id) {
|
|
writePSFmt("f_{0:d}_{1:d}\n", id.num, id.gen);
|
|
}
|
|
|
|
void PSOutputDev::psXObject(Stream *psStream, Stream *level1Stream) {
|
|
Stream *str;
|
|
int c;
|
|
|
|
if ((level == psLevel1 || level == psLevel1Sep) && level1Stream) {
|
|
str = level1Stream;
|
|
} else {
|
|
str = psStream;
|
|
}
|
|
str->reset();
|
|
while ((c = str->getChar()) != EOF) {
|
|
writePSChar(c);
|
|
}
|
|
str->close();
|
|
}
|
|
|
|
//~ can nextFunc be reset to 0 -- maybe at the start of each page?
|
|
//~ or maybe at the start of each color space / pattern?
|
|
void PSOutputDev::cvtFunction(Function *func) {
|
|
SampledFunction *func0;
|
|
ExponentialFunction *func2;
|
|
StitchingFunction *func3;
|
|
PostScriptFunction *func4;
|
|
int thisFunc, m, n, nSamples, i, j, k;
|
|
|
|
switch (func->getType()) {
|
|
|
|
case -1: // identity
|
|
writePS("{}\n");
|
|
break;
|
|
|
|
case 0: // sampled
|
|
func0 = (SampledFunction *)func;
|
|
thisFunc = nextFunc++;
|
|
m = func0->getInputSize();
|
|
n = func0->getOutputSize();
|
|
nSamples = n;
|
|
for (i = 0; i < m; ++i) {
|
|
nSamples *= func0->getSampleSize(i);
|
|
}
|
|
writePSFmt("/xpdfSamples{0:d} [\n", thisFunc);
|
|
for (i = 0; i < nSamples; ++i) {
|
|
writePSFmt("{0:.4g}\n", func0->getSamples()[i]);
|
|
}
|
|
writePS("] def\n");
|
|
writePSFmt("{{ {0:d} array {1:d} array {2:d} 2 roll\n", 2*m, m, m+2);
|
|
// [e01] [efrac] x0 x1 ... xm-1
|
|
for (i = m-1; i >= 0; --i) {
|
|
// [e01] [efrac] x0 x1 ... xi
|
|
writePSFmt("{0:.4g} sub {1:.4g} mul {2:.4g} add\n",
|
|
func0->getDomainMin(i),
|
|
(func0->getEncodeMax(i) - func0->getEncodeMin(i)) /
|
|
(func0->getDomainMax(i) - func0->getDomainMin(i)),
|
|
func0->getEncodeMin(i));
|
|
// [e01] [efrac] x0 x1 ... xi-1 xi'
|
|
writePSFmt("dup 0 lt {{ pop 0 }} {{ dup {0:d} gt {{ pop {1:d} }} if }} ifelse\n",
|
|
func0->getSampleSize(i) - 1, func0->getSampleSize(i) - 1);
|
|
// [e01] [efrac] x0 x1 ... xi-1 xi'
|
|
writePS("dup floor cvi exch dup ceiling cvi exch 2 index sub\n");
|
|
// [e01] [efrac] x0 x1 ... xi-1 floor(xi') ceiling(xi') xi'-floor(xi')
|
|
writePSFmt("{0:d} index {1:d} 3 2 roll put\n", i+3, i);
|
|
// [e01] [efrac] x0 x1 ... xi-1 floor(xi') ceiling(xi')
|
|
writePSFmt("{0:d} index {1:d} 3 2 roll put\n", i+3, 2*i+1);
|
|
// [e01] [efrac] x0 x1 ... xi-1 floor(xi')
|
|
writePSFmt("{0:d} index {1:d} 3 2 roll put\n", i+2, 2*i);
|
|
// [e01] [efrac] x0 x1 ... xi-1
|
|
}
|
|
// [e01] [efrac]
|
|
for (i = 0; i < n; ++i) {
|
|
// [e01] [efrac] y(0) ... y(i-1)
|
|
for (j = 0; j < (1<<m); ++j) {
|
|
// [e01] [efrac] y(0) ... y(i-1) s(0) s(1) ... s(j-1)
|
|
writePSFmt("xpdfSamples{0:d}\n", thisFunc);
|
|
k = m - 1;
|
|
writePSFmt("{0:d} index {1:d} get\n", i+j+2, 2 * k + ((j >> k) & 1));
|
|
for (k = m - 2; k >= 0; --k) {
|
|
writePSFmt("{0:d} mul {1:d} index {2:d} get add\n",
|
|
func0->getSampleSize(k),
|
|
i + j + 3,
|
|
2 * k + ((j >> k) & 1));
|
|
}
|
|
if (n > 1) {
|
|
writePSFmt("{0:d} mul {1:d} add ", n, i);
|
|
}
|
|
writePS("get\n");
|
|
}
|
|
// [e01] [efrac] y(0) ... y(i-1) s(0) s(1) ... s(2^m-1)
|
|
for (j = 0; j < m; ++j) {
|
|
// [e01] [efrac] y(0) ... y(i-1) s(0) s(1) ... s(2^(m-j)-1)
|
|
for (k = 0; k < (1 << (m - j)); k += 2) {
|
|
// [e01] [efrac] y(0) ... y(i-1) <k/2 s' values> <2^(m-j)-k s values>
|
|
writePSFmt("{0:d} index {1:d} get dup\n",
|
|
i + k/2 + (1 << (m-j)) - k, j);
|
|
writePS("3 2 roll mul exch 1 exch sub 3 2 roll mul add\n");
|
|
writePSFmt("{0:d} 1 roll\n", k/2 + (1 << m-j) - k - 1);
|
|
}
|
|
// [e01] [efrac] s'(0) s'(1) ... s(2^(m-j-1)-1)
|
|
}
|
|
// [e01] [efrac] y(0) ... y(i-1) s
|
|
writePSFmt("{0:.4g} mul {1:.4g} add\n",
|
|
func0->getDecodeMax(i) - func0->getDecodeMin(i),
|
|
func0->getDecodeMin(i));
|
|
writePSFmt("dup {0:.4g} lt {{ pop {1:.4g} }} {{ dup {2:.4g} gt {{ pop {3:.4g} }} if }} ifelse\n",
|
|
func0->getRangeMin(i), func0->getRangeMin(i),
|
|
func0->getRangeMax(i), func0->getRangeMax(i));
|
|
// [e01] [efrac] y(0) ... y(i-1) y(i)
|
|
}
|
|
// [e01] [efrac] y(0) ... y(n-1)
|
|
writePSFmt("{0:d} {1:d} roll pop pop }}\n", n+2, n);
|
|
break;
|
|
|
|
case 2: // exponential
|
|
func2 = (ExponentialFunction *)func;
|
|
n = func2->getOutputSize();
|
|
writePSFmt("{{ dup {0:.4g} lt {{ pop {1:.4g} }} {{ dup {2:.4g} gt {{ pop {3:.4g} }} if }} ifelse\n",
|
|
func2->getDomainMin(0), func2->getDomainMin(0),
|
|
func2->getDomainMax(0), func2->getDomainMax(0));
|
|
// x
|
|
for (i = 0; i < n; ++i) {
|
|
// x y(0) .. y(i-1)
|
|
writePSFmt("{0:d} index {1:.4g} exp {2:.4g} mul {3:.4g} add\n",
|
|
i, func2->getE(), func2->getC1()[i] - func2->getC0()[i],
|
|
func2->getC0()[i]);
|
|
if (func2->getHasRange()) {
|
|
writePSFmt("dup {0:.4g} lt {{ pop {1:.4g} }} {{ dup {2:.4g} gt {{ pop {3:.4g} }} if }} ifelse\n",
|
|
func2->getRangeMin(i), func2->getRangeMin(i),
|
|
func2->getRangeMax(i), func2->getRangeMax(i));
|
|
}
|
|
}
|
|
// x y(0) .. y(n-1)
|
|
writePSFmt("{0:d} {1:d} roll pop }}\n", n+1, n);
|
|
break;
|
|
|
|
case 3: // stitching
|
|
func3 = (StitchingFunction *)func;
|
|
thisFunc = nextFunc++;
|
|
for (i = 0; i < func3->getNumFuncs(); ++i) {
|
|
cvtFunction(func3->getFunc(i));
|
|
writePSFmt("/xpdfFunc{0:d}_{1:d} exch def\n", thisFunc, i);
|
|
}
|
|
writePSFmt("{{ dup {0:.4g} lt {{ pop {1:.4g} }} {{ dup {2:.4g} gt {{ pop {3:.4g} }} if }} ifelse\n",
|
|
func3->getDomainMin(0), func3->getDomainMin(0),
|
|
func3->getDomainMax(0), func3->getDomainMax(0));
|
|
for (i = 0; i < func3->getNumFuncs() - 1; ++i) {
|
|
writePSFmt("dup {0:.4g} lt {{ {1:.4g} sub {2:.4g} mul {3:.4g} add xpdfFunc{4:d}_{5:d} }} {{\n",
|
|
func3->getBounds()[i+1],
|
|
func3->getBounds()[i],
|
|
func3->getScale()[i],
|
|
func3->getEncode()[2*i],
|
|
thisFunc, i);
|
|
}
|
|
writePSFmt("{0:.4g} sub {1:.4g} mul {2:.4g} add xpdfFunc{3:d}_{4:d}\n",
|
|
func3->getBounds()[i],
|
|
func3->getScale()[i],
|
|
func3->getEncode()[2*i],
|
|
thisFunc, i);
|
|
for (i = 0; i < func3->getNumFuncs() - 1; ++i) {
|
|
writePS("} ifelse\n");
|
|
}
|
|
writePS("}\n");
|
|
break;
|
|
|
|
case 4: // PostScript
|
|
func4 = (PostScriptFunction *)func;
|
|
writePS(func4->getCodeString()->getCString());
|
|
writePS("\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::writePSChar(char c) {
|
|
if (t3String) {
|
|
t3String->append(c);
|
|
} else {
|
|
(*outputFunc)(outputStream, &c, 1);
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::writePS(char *s) {
|
|
if (t3String) {
|
|
t3String->append(s);
|
|
} else {
|
|
(*outputFunc)(outputStream, s, strlen(s));
|
|
}
|
|
}
|
|
|
|
void PSOutputDev::writePSFmt(const char *fmt, ...) {
|
|
va_list args;
|
|
GString *buf;
|
|
|
|
va_start(args, fmt);
|
|
if (t3String) {
|
|
t3String->appendfv((char *)fmt, args);
|
|
} else {
|
|
buf = GString::formatv((char *)fmt, args);
|
|
(*outputFunc)(outputStream, buf->getCString(), buf->getLength());
|
|
delete buf;
|
|
}
|
|
va_end(args);
|
|
}
|
|
|
|
void PSOutputDev::writePSString(GString *s) {
|
|
Guchar *p;
|
|
int n, line;
|
|
char buf[8];
|
|
|
|
writePSChar('(');
|
|
line = 1;
|
|
for (p = (Guchar *)s->getCString(), n = s->getLength(); n; ++p, --n) {
|
|
if (line >= 64) {
|
|
writePSChar('\\');
|
|
writePSChar('\n');
|
|
line = 0;
|
|
}
|
|
if (*p == '(' || *p == ')' || *p == '\\') {
|
|
writePSChar('\\');
|
|
writePSChar((char)*p);
|
|
line += 2;
|
|
} else if (*p < 0x20 || *p >= 0x80) {
|
|
sprintf(buf, "\\%03o", *p);
|
|
writePS(buf);
|
|
line += 4;
|
|
} else {
|
|
writePSChar((char)*p);
|
|
++line;
|
|
}
|
|
}
|
|
writePSChar(')');
|
|
}
|
|
|
|
void PSOutputDev::writePSName(char *s) {
|
|
char *p;
|
|
char c;
|
|
|
|
p = s;
|
|
while ((c = *p++)) {
|
|
if (c <= (char)0x20 || c >= (char)0x7f ||
|
|
c == '(' || c == ')' || c == '<' || c == '>' ||
|
|
c == '[' || c == ']' || c == '{' || c == '}' ||
|
|
c == '/' || c == '%') {
|
|
writePSFmt("#{0:02x}", c & 0xff);
|
|
} else {
|
|
writePSChar(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
GString *PSOutputDev::filterPSName(GString *name) {
|
|
GString *name2;
|
|
char buf[8];
|
|
int i;
|
|
char c;
|
|
|
|
name2 = new GString();
|
|
|
|
// ghostscript chokes on names that begin with out-of-limits
|
|
// numbers, e.g., 1e4foo is handled correctly (as a name), but
|
|
// 1e999foo generates a limitcheck error
|
|
c = name->getChar(0);
|
|
if (c >= '0' && c <= '9') {
|
|
name2->append('f');
|
|
}
|
|
|
|
for (i = 0; i < name->getLength(); ++i) {
|
|
c = name->getChar(i);
|
|
if (c <= (char)0x20 || c >= (char)0x7f ||
|
|
c == '(' || c == ')' || c == '<' || c == '>' ||
|
|
c == '[' || c == ']' || c == '{' || c == '}' ||
|
|
c == '/' || c == '%') {
|
|
sprintf(buf, "#%02x", c & 0xff);
|
|
name2->append(buf);
|
|
} else {
|
|
name2->append(c);
|
|
}
|
|
}
|
|
return name2;
|
|
}
|
|
|
|
// Write a DSC-compliant <textline>.
|
|
void PSOutputDev::writePSTextLine(GString *s) {
|
|
int i, j, step;
|
|
int c;
|
|
|
|
// - DSC comments must be printable ASCII; control chars and
|
|
// backslashes have to be escaped (we do cheap Unicode-to-ASCII
|
|
// conversion by simply ignoring the high byte)
|
|
// - lines are limited to 255 chars (we limit to 200 here to allow
|
|
// for the keyword, which was emitted by the caller)
|
|
// - lines that start with a left paren are treated as <text>
|
|
// instead of <textline>, so we escape a leading paren
|
|
if (s->getLength() >= 2 &&
|
|
(s->getChar(0) & 0xff) == 0xfe &&
|
|
(s->getChar(1) & 0xff) == 0xff) {
|
|
i = 3;
|
|
step = 2;
|
|
} else {
|
|
i = 0;
|
|
step = 1;
|
|
}
|
|
for (j = 0; i < s->getLength() && j < 200; i += step) {
|
|
c = s->getChar(i) & 0xff;
|
|
if (c == '\\') {
|
|
writePS("\\\\");
|
|
j += 2;
|
|
} else if (c < 0x20 || c > 0x7e || (j == 0 && c == '(')) {
|
|
writePSFmt("\\{0:03o}", c);
|
|
j += 4;
|
|
} else {
|
|
writePSChar(c);
|
|
++j;
|
|
}
|
|
}
|
|
writePS("\n");
|
|
}
|