You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.4 KiB
87 lines
2.4 KiB
//========================================================================
|
|
//
|
|
// SplashFontEngine.h
|
|
//
|
|
//========================================================================
|
|
|
|
#ifndef SPLASHFONTENGINE_H
|
|
#define SPLASHFONTENGINE_H
|
|
|
|
#include <aconf.h>
|
|
|
|
#ifdef USE_GCC_PRAGMAS
|
|
#pragma interface
|
|
#endif
|
|
|
|
#include "gtypes.h"
|
|
|
|
class SplashT1FontEngine;
|
|
class SplashFTFontEngine;
|
|
class SplashDTFontEngine;
|
|
class SplashDT4FontEngine;
|
|
class SplashFontFile;
|
|
class SplashFontFileID;
|
|
class SplashFont;
|
|
class SplashFontSrc;
|
|
|
|
//------------------------------------------------------------------------
|
|
|
|
#define splashFontCacheSize 16
|
|
|
|
//------------------------------------------------------------------------
|
|
// SplashFontEngine
|
|
//------------------------------------------------------------------------
|
|
|
|
class SplashFontEngine {
|
|
public:
|
|
|
|
// Create a font engine.
|
|
SplashFontEngine(
|
|
#if HAVE_T1LIB_H
|
|
GBool enableT1lib,
|
|
#endif
|
|
#if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
|
|
GBool enableFreeType,
|
|
#endif
|
|
GBool aa);
|
|
|
|
~SplashFontEngine();
|
|
|
|
// Get a font file from the cache. Returns NULL if there is no
|
|
// matching entry in the cache.
|
|
SplashFontFile *getFontFile(SplashFontFileID *id);
|
|
|
|
// Load fonts - these create new SplashFontFile objects.
|
|
SplashFontFile *loadType1Font(SplashFontFileID *idA, SplashFontSrc *src, char **enc);
|
|
SplashFontFile *loadType1CFont(SplashFontFileID *idA, SplashFontSrc *src, char **enc);
|
|
SplashFontFile *loadOpenTypeT1CFont(SplashFontFileID *idA, SplashFontSrc *src, char **enc);
|
|
SplashFontFile *loadCIDFont(SplashFontFileID *idA, SplashFontSrc *src);
|
|
SplashFontFile *loadOpenTypeCFFFont(SplashFontFileID *idA, SplashFontSrc *src);
|
|
SplashFontFile *loadTrueTypeFont(SplashFontFileID *idA, SplashFontSrc *src,
|
|
Gushort *codeToGID, int codeToGIDLen, int faceIndex = 0);
|
|
|
|
// Get a font - this does a cache lookup first, and if not found,
|
|
// creates a new SplashFont object and adds it to the cache. The
|
|
// matrix, mat = textMat * ctm:
|
|
// [ mat[0] mat[1] ]
|
|
// [ mat[2] mat[3] ]
|
|
// specifies the font transform in PostScript style:
|
|
// [x' y'] = [x y] * mat
|
|
// Note that the Splash y axis points downward.
|
|
SplashFont *getFont(SplashFontFile *fontFile,
|
|
SplashCoord *textMat, SplashCoord *ctm);
|
|
|
|
private:
|
|
|
|
SplashFont *fontCache[splashFontCacheSize];
|
|
|
|
#if HAVE_T1LIB_H
|
|
SplashT1FontEngine *t1Engine;
|
|
#endif
|
|
#if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
|
|
SplashFTFontEngine *ftEngine;
|
|
#endif
|
|
};
|
|
|
|
#endif
|