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363 lines
13 KiB
363 lines
13 KiB
/* This file is part of the KDE libraries
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* Copyright (c) 1998 Stefan Taferner
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* 2001/2003 thierry lorthiois (lorthioist@wanadoo.fr)
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* With the help of WMF documentation by Caolan Mc Namara
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _KOWMFREADPRIVATE_H_
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#define _KOWMFREADPRIVATE_H_
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#include <tqpen.h>
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#include <tqcolor.h>
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#include <tqfont.h>
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#include <tqrect.h>
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#include <tqregion.h>
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#include <tqbuffer.h>
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#include <tqstring.h>
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#include "kowmfstruct.h"
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#include "kowmfstack.h"
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class KoWmfRead;
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/**
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* KoWmfReadPrivate allows to read WMF files
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*
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*/
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class KoWmfReadPrivate
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{
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public:
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KoWmfReadPrivate();
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virtual ~KoWmfReadPrivate();
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/**
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* Load WMF file. Returns true on success.
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*/
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bool load( const TQByteArray& array );
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/**
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* Plays a metafile in @p readKwmf and returns true on success.
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* To draw on a device you have to inherit the class ReadKwmf
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*/
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bool play( KoWmfRead* readKwmf );
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/* Metafile painter methods */
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/// set window origin
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void setWindowOrg( TQ_UINT32 size, TQDataStream& stream );
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/// set window extents
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void setWindowExt( TQ_UINT32 size, TQDataStream& stream );
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/// scale window extents
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void ScaleWindowExt( TQ_UINT32, TQDataStream& stream );
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/// offset in window origin
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void OffsetWindowOrg( TQ_UINT32, TQDataStream& stream );
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/****************** Drawing *******************/
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/// draw line to coord
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void lineTo( TQ_UINT32 size, TQDataStream& stream );
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/// move pen to coord
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void moveTo( TQ_UINT32 size, TQDataStream& stream );
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/// draw ellipse
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void ellipse( TQ_UINT32 size, TQDataStream& stream );
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/// draw polygon
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void polygon( TQ_UINT32 size, TQDataStream& stream );
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/// draw a list of polygons
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void polyPolygon( TQ_UINT32 size, TQDataStream& stream );
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/// draw series of lines
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void polyline( TQ_UINT32 size, TQDataStream& stream );
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/// draw a rectangle
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void rectangle( TQ_UINT32 size, TQDataStream& stream );
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/// draw round rectangle
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void roundRect( TQ_UINT32 size, TQDataStream& stream );
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/// draw arc
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void arc( TQ_UINT32 size, TQDataStream& stream );
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/// draw chord
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void chord( TQ_UINT32 size, TQDataStream& stream );
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/// draw pie
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void pie( TQ_UINT32 size, TQDataStream& stream );
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/// set polygon fill mode
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void setPolyFillMode( TQ_UINT32 size, TQDataStream& stream );
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/// set background pen color
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void setBkColor( TQ_UINT32 size, TQDataStream& stream );
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/// set background pen mode
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void setBkMode( TQ_UINT32 size, TQDataStream& stream );
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/// set a pixel
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void setPixel( TQ_UINT32 size, TQDataStream& stream );
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/// set raster operation mode
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void setRop( TQ_UINT32 size, TQDataStream& stream );
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/// save device context */
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void saveDC( TQ_UINT32 size, TQDataStream& stream );
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/// restore device context
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void restoreDC( TQ_UINT32 size, TQDataStream& stream );
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/// clipping region is the intersection of this region and the original region
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void intersectClipRect( TQ_UINT32 size, TQDataStream& stream );
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/// delete a clipping rectangle of the original region
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void excludeClipRect( TQ_UINT32 size, TQDataStream& stream );
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/****************** Text *******************/
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/// set text color
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void setTextColor( TQ_UINT32 size, TQDataStream& stream );
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/// set text alignment
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void setTextAlign( TQ_UINT32 size, TQDataStream& stream );
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/// draw text
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void textOut( TQ_UINT32 size, TQDataStream& stream );
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void extTextOut( TQ_UINT32 size, TQDataStream& stream );
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/****************** Bitmap *******************/
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void SetStretchBltMode( TQ_UINT32, TQDataStream& stream );
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/// copies a DIB into a dest location
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void dibBitBlt( TQ_UINT32 size, TQDataStream& stream );
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/// stretches a DIB into a dest location
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void dibStretchBlt( TQ_UINT32 size, TQDataStream& stream );
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void stretchDib( TQ_UINT32 size, TQDataStream& stream );
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/// create a pattern brush
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void dibCreatePatternBrush( TQ_UINT32 size, TQDataStream& stream );
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/****************** Object handle *******************/
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/// activate object handle
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void selectObject( TQ_UINT32 size, TQDataStream& stream );
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/// free object handle
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void deleteObject( TQ_UINT32 size, TQDataStream& stream );
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/// create an empty object in the object list
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void createEmptyObject();
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/// create a logical brush
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void createBrushIndirect( TQ_UINT32 size, TQDataStream& stream );
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/// create a logical pen
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void createPenIndirect( TQ_UINT32 size, TQDataStream& stream );
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/// create a logical font
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void createFontIndirect( TQ_UINT32 size, TQDataStream& stream );
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/****************** misc *******************/
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/// end of meta file
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void end( TQ_UINT32, TQDataStream& stream );
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/** Calculate header checksum */
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static TQ_UINT16 calcCheckSum( WmfPlaceableHeader* );
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// function unimplemented
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void notyet( TQ_UINT32, TQDataStream& stream );
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void region( TQ_UINT32, TQDataStream& stream );
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void palette( TQ_UINT32, TQDataStream& stream );
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void escape( TQ_UINT32, TQDataStream& stream );
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void setRelAbs( TQ_UINT32, TQDataStream& stream );
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void setMapMode( TQ_UINT32, TQDataStream& stream );
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void extFloodFill( TQ_UINT32, TQDataStream& stream );
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void startDoc( TQ_UINT32, TQDataStream& stream );
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void startPage( TQ_UINT32, TQDataStream& stream );
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void endDoc( TQ_UINT32, TQDataStream& stream );
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void endPage( TQ_UINT32, TQDataStream& stream );
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void resetDC( TQ_UINT32, TQDataStream& stream );
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void bitBlt( TQ_UINT32, TQDataStream& stream );
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void setDibToDev( TQ_UINT32, TQDataStream& stream );
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void createBrush( TQ_UINT32, TQDataStream& stream );
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void createPatternBrush( TQ_UINT32, TQDataStream& stream );
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void createBitmap( TQ_UINT32, TQDataStream& stream );
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void createBitmapIndirect( TQ_UINT32, TQDataStream& stream );
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void createPalette( TQ_UINT32, TQDataStream& stream );
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void createRegion( TQ_UINT32, TQDataStream& stream );
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private:
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//-----------------------------------------------------------------------------
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// Utilities and conversion Wmf -> TQt
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/** Handle win-object-handles */
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bool addHandle( KoWmfHandle* );
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void deleteHandle( int );
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/** Convert TQINT16 points into TQPointArray */
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void pointArray( TQDataStream& stream, TQPointArray& pa );
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/** Convertion between windows color and TQColor */
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TQColor qtColor( TQ_UINT32 color ) const
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{ return TQColor( color & 0xFF, (color>>8) & 0xFF, (color>>16) & 0xFF ); }
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/** Convert (x1,y1) and (x2, y2) positions in angle and angleLength */
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void xyToAngle( int xStart, int yStart, int xEnd, int yEnd, int& angle, int& aLength );
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/** Convert windows rasterOp in TQt rasterOp */
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TQt::RasterOp winToTQtRaster( TQ_UINT16 param ) const;
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TQt::RasterOp winToTQtRaster( TQ_UINT32 param ) const;
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/** Converts DIB to BMP */
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bool dibToBmp( TQImage& bmp, TQDataStream& stream, TQ_UINT32 size);
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public:
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// state of the WMF
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bool mValid;
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bool mStandard;
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bool mPlaceable;
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bool mEnhanced;
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/// bounding rectangle
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TQRect mBBox; // placeable file : this is the header
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// standard file : this is the value in setWindowOrg and setWindowExt
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/// number of points per inch for the default size
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int mDpi;
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/// number of functions to draw (==0 for all)
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int mNbrFunc;
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private:
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// the output
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KoWmfRead *mReadWmf;
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// current coordinate != mBBox
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TQRect mWindow;
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// current state of the drawing
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TQColor mTextColor;
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TQ_UINT16 mTextAlign;
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int mTextRotation;
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bool mWinding;
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// memory allocation for WMF file
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TQBuffer* mBuffer;
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int mOffsetFirstRecord;
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// stack of object handle
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KoWmfHandle** mObjHandleTab;
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// number of object on the stack
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int mNbrObject;
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bool mStackOverflow;
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};
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/**
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* static data
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*/
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static const struct KoWmfFunc {
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void ( KoWmfReadPrivate::*method )( TQ_UINT32, TQDataStream& );
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} koWmfFunc[] = {
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{ &KoWmfReadPrivate::end }, // 0
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{ &KoWmfReadPrivate::setBkColor }, // 1
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{ &KoWmfReadPrivate::setBkMode }, // 2
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{ &KoWmfReadPrivate::setMapMode }, // 3
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{ &KoWmfReadPrivate::setRop }, // 4
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{ &KoWmfReadPrivate::setRelAbs }, // 5
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{ &KoWmfReadPrivate::setPolyFillMode }, // 6
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{ &KoWmfReadPrivate::SetStretchBltMode }, // 7
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{ &KoWmfReadPrivate::notyet }, // 8
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{ &KoWmfReadPrivate::setTextColor }, // 9
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{ &KoWmfReadPrivate::ScaleWindowExt }, // 10
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{ &KoWmfReadPrivate::setWindowOrg }, // 11
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{ &KoWmfReadPrivate::setWindowExt }, // 12
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{ &KoWmfReadPrivate::notyet }, // 13
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{ &KoWmfReadPrivate::notyet }, // 14
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{ &KoWmfReadPrivate::OffsetWindowOrg }, // 15
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{ &KoWmfReadPrivate::notyet }, // 16
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{ &KoWmfReadPrivate::notyet }, // 17
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{ &KoWmfReadPrivate::notyet }, // 18
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{ &KoWmfReadPrivate::lineTo }, // 19
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{ &KoWmfReadPrivate::moveTo }, // 20
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{ &KoWmfReadPrivate::excludeClipRect }, // 21
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{ &KoWmfReadPrivate::intersectClipRect }, // 22
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{ &KoWmfReadPrivate::arc }, // 23
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{ &KoWmfReadPrivate::ellipse }, // 24
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{ &KoWmfReadPrivate::notyet }, // 25
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{ &KoWmfReadPrivate::pie }, // 26
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{ &KoWmfReadPrivate::rectangle }, // 27
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{ &KoWmfReadPrivate::roundRect }, // 28
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{ &KoWmfReadPrivate::notyet }, // 29
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{ &KoWmfReadPrivate::saveDC }, // 30
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{ &KoWmfReadPrivate::setPixel }, // 31
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{ &KoWmfReadPrivate::notyet }, // 32
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{ &KoWmfReadPrivate::textOut }, // 33
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{ &KoWmfReadPrivate::bitBlt }, // 34
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{ &KoWmfReadPrivate::notyet }, // 35
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{ &KoWmfReadPrivate::polygon }, // 36
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{ &KoWmfReadPrivate::polyline }, // 37
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{ &KoWmfReadPrivate::escape }, // 38
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{ &KoWmfReadPrivate::restoreDC }, // 39
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{ &KoWmfReadPrivate::region }, // 40
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{ &KoWmfReadPrivate::region }, // 41
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{ &KoWmfReadPrivate::region }, // 42
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{ &KoWmfReadPrivate::region }, // 43
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{ &KoWmfReadPrivate::region }, // 44
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{ &KoWmfReadPrivate::selectObject }, // 45
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{ &KoWmfReadPrivate::setTextAlign }, // 46
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{ 0 }, // 47
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{ &KoWmfReadPrivate::chord }, // 48
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{ &KoWmfReadPrivate::notyet }, // 49
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{ &KoWmfReadPrivate::extTextOut }, // 50
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{ &KoWmfReadPrivate::setDibToDev }, // 51
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{ &KoWmfReadPrivate::palette }, // 52
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{ &KoWmfReadPrivate::palette }, // 53
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{ &KoWmfReadPrivate::palette }, // 54
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{ &KoWmfReadPrivate::palette }, // 55
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{ &KoWmfReadPrivate::polyPolygon }, // 56
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{ &KoWmfReadPrivate::palette }, // 57
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{ 0 }, // 58
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{ 0 }, // 59
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{ 0 }, // 60
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{ 0 }, // 61
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{ 0 }, // 62
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{ 0 }, // 63
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{ &KoWmfReadPrivate::dibBitBlt }, // 64
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{ &KoWmfReadPrivate::dibStretchBlt }, // 65
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{ &KoWmfReadPrivate::dibCreatePatternBrush }, // 66
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{ &KoWmfReadPrivate::stretchDib }, // 67
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{ 0 }, // 68
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{ 0 }, // 69
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{ 0 }, // 70
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{ 0 }, // 71
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{ &KoWmfReadPrivate::extFloodFill }, // 72
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{ 0 }, // 73
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{ 0 }, // 74
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{ 0 }, // 75
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{ &KoWmfReadPrivate::resetDC }, // 76
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{ &KoWmfReadPrivate::startDoc }, // 77
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{ 0 }, // 78
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{ &KoWmfReadPrivate::startPage }, // 79
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{ &KoWmfReadPrivate::endPage }, // 80
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{ 0 }, // 81
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{ 0 }, // 82
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{ 0 }, // 83
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{ 0 }, // 84
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{ 0 }, // 85
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{ 0 }, // 86
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{ 0 }, // 87
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{ 0 }, // 88
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{ 0 }, // 89
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{ 0 }, // 90
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{ 0 }, // 91
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{ 0 }, // 92
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{ 0 }, // 93
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{ &KoWmfReadPrivate::endDoc }, // 94
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{ 0 }, // 95
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// 0x5F last function until 0xF0
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{ &KoWmfReadPrivate::deleteObject }, // 96
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{ 0 }, // 97
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{ 0 }, // 98
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{ 0 }, // 99
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{ 0 }, // 100
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{ 0 }, // 101
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{ 0 }, // 102
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{ &KoWmfReadPrivate::createPalette }, // 103
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{ &KoWmfReadPrivate::createBrush }, // 104
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{ &KoWmfReadPrivate::createPatternBrush }, // 105
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{ &KoWmfReadPrivate::createPenIndirect }, // 106
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{ &KoWmfReadPrivate::createFontIndirect }, // 107
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{ &KoWmfReadPrivate::createBrushIndirect }, //108
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{ &KoWmfReadPrivate::createBitmapIndirect }, //109
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{ &KoWmfReadPrivate::createBitmap }, // 110
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{ &KoWmfReadPrivate::createRegion } // 111
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};
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#endif
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