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-rw-r--r--lib/kwmf/qwmf.cc1258
1 files changed, 1258 insertions, 0 deletions
diff --git a/lib/kwmf/qwmf.cc b/lib/kwmf/qwmf.cc
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--- /dev/null
+++ b/lib/kwmf/qwmf.cc
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+/* Windows Meta File Loader/Painter Class Implementation
+ *
+ * Copyright ( C ) 1998 Stefan Taferner
+ * Modified 2002 thierry lorthiois
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or ( at your
+ * option ) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABLILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details. You should have received a copy
+ * of the GNU General Public License along with this program; if not, write
+ * to the Free Software Foundation, Inc, 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <math.h>
+#include <assert.h>
+#include <qfileinfo.h>
+#include <qpixmap.h>
+#include <qpainter.h>
+#include <qdatastream.h>
+#include <qapplication.h>
+#include <qbuffer.h>
+#include <kdebug.h>
+
+bool qwmfDebug = false;
+
+#include "qwmf.h"
+#include "wmfstruct.h"
+#include "metafuncs.h"
+
+#define QWMF_DEBUG 0
+
+
+class WmfCmd
+{
+public:
+ ~WmfCmd() { if ( next ) delete next; }
+ WmfCmd* next;
+ unsigned short funcIndex;
+ long numParm;
+ short* parm;
+};
+
+
+class WinObjHandle
+{
+public:
+ virtual void apply( QPainter& p ) = 0;
+};
+
+class WinObjBrushHandle: public WinObjHandle
+{
+public:
+ virtual void apply( QPainter& p );
+ QBrush brush;
+ virtual ~WinObjBrushHandle() {};
+};
+
+class WinObjPenHandle: public WinObjHandle
+{
+public:
+ virtual void apply( QPainter& p );
+ QPen pen;
+ virtual ~WinObjPenHandle() {};
+};
+
+class WinObjPatternBrushHandle: public WinObjHandle
+{
+public:
+ virtual void apply( QPainter& p );
+ QBrush brush;
+ QPixmap image;
+ virtual ~WinObjPatternBrushHandle() {};
+};
+
+class WinObjFontHandle: public WinObjHandle
+{
+public:
+ virtual void apply( QPainter& p );
+ QFont font;
+ int rotation;
+ virtual ~WinObjFontHandle() {};
+};
+
+void WinObjBrushHandle::apply( QPainter& p )
+{
+ p.setBrush( brush );
+}
+
+void WinObjPenHandle::apply( QPainter& p )
+{
+ p.setPen( pen );
+}
+
+void WinObjPatternBrushHandle::apply( QPainter& p )
+{
+ p.setBrush( brush );
+}
+
+void WinObjFontHandle::apply( QPainter& p )
+{
+ p.setFont( font );
+}
+
+#define MAX_OBJHANDLE 64
+
+
+
+//-----------------------------------------------------------------------------
+QWinMetaFile::QWinMetaFile()
+{
+ mValid = false;
+ mFirstCmd = NULL;
+ mObjHandleTab = NULL;
+ mDpi = 1000;
+}
+
+
+//-----------------------------------------------------------------------------
+QWinMetaFile::~QWinMetaFile()
+{
+ if ( mFirstCmd ) delete mFirstCmd;
+ if ( mObjHandleTab ) delete[] mObjHandleTab;
+}
+
+
+//-----------------------------------------------------------------------------
+bool QWinMetaFile::load( const QString &filename )
+{
+ QFile file( filename );
+
+ if ( !file.exists() )
+ {
+ kdDebug() << "File " << QFile::encodeName(filename) << " does not exist" << endl;
+ return false;
+ }
+
+ if ( !file.open( IO_ReadOnly ) )
+ {
+ kdDebug() << "Cannot open file " << QFile::encodeName(filename) << endl;
+ return false;
+ }
+
+ QByteArray ba = file.readAll();
+ file.close();
+
+ QBuffer buffer( ba );
+ buffer.open( IO_ReadOnly );
+ return load( buffer );
+}
+
+//-----------------------------------------------------------------------------
+bool QWinMetaFile::load( QBuffer &buffer )
+{
+ QDataStream st;
+ WmfEnhMetaHeader eheader;
+ WmfMetaHeader header;
+ WmfPlaceableHeader pheader;
+ WORD checksum;
+ int filePos, idx, i;
+ WmfCmd *cmd, *last;
+ DWORD rdSize;
+ WORD rdFunc;
+
+ mTextAlign = 0;
+ mRotation = 0;
+ mTextColor = Qt::black;
+ if ( mFirstCmd ) delete mFirstCmd;
+ mFirstCmd = NULL;
+
+ st.setDevice( &buffer );
+ st.setByteOrder( QDataStream::LittleEndian ); // Great, I love Qt !
+
+ //----- Read placeable metafile header
+ st >> pheader.key;
+ mIsPlaceable = ( pheader.key==( DWORD )APMHEADER_KEY );
+ if ( mIsPlaceable )
+ {
+ st >> pheader.hmf;
+ st >> pheader.bbox.left;
+ st >> pheader.bbox.top;
+ st >> pheader.bbox.right;
+ st >> pheader.bbox.bottom;
+ st >> pheader.inch;
+ st >> pheader.reserved;
+ st >> pheader.checksum;
+ checksum = calcCheckSum( &pheader );
+ if ( pheader.checksum!=checksum ) mIsPlaceable = false;
+
+ mDpi = pheader.inch;
+ mBBox.setLeft( pheader.bbox.left );
+ mBBox.setTop( pheader.bbox.top );
+ mBBox.setRight( pheader.bbox.right );
+ mBBox.setBottom( pheader.bbox.bottom );
+ mHeaderBoundingBox = mBBox;
+ if ( QWMF_DEBUG )
+ {
+ kdDebug() << endl << "-------------------------------------------------" << endl;
+ kdDebug() << "WMF Placeable Header ( " << static_cast<int>(sizeof( pheader ) ) << "):" << endl;
+ kdDebug() << " bbox=( " << mBBox.left() << "; " << mBBox.top() << "; " << mBBox.width()
+ << "; " << mBBox.height() << ")" << endl;
+ kdDebug() << " inch=" << pheader.inch << endl;
+ kdDebug() << " checksum=" << pheader.checksum << "( "
+ << (pheader.checksum==checksum?"ok":"wrong") << " )" << endl;
+ }
+ }
+ else buffer.at( 0 );
+
+ //----- Read as enhanced metafile header
+ filePos = buffer.at();
+ st >> eheader.iType;
+ st >> eheader.nSize;
+ st >> eheader.rclBounds.left;
+ st >> eheader.rclBounds.top;
+ st >> eheader.rclBounds.right;
+ st >> eheader.rclBounds.bottom;
+ st >> eheader.rclFrame.left;
+ st >> eheader.rclFrame.top;
+ st >> eheader.rclFrame.right;
+ st >> eheader.rclFrame.bottom;
+ st >> eheader.dSignature;
+ mIsEnhanced = ( eheader.dSignature==ENHMETA_SIGNATURE );
+ if ( mIsEnhanced ) // is it really enhanced ?
+ {
+ st >> eheader.nVersion;
+ st >> eheader.nBytes;
+ st >> eheader.nRecords;
+ st >> eheader.nHandles;
+ st >> eheader.sReserved;
+ st >> eheader.nDescription;
+ st >> eheader.offDescription;
+ st >> eheader.nPalEntries;
+ st >> eheader.szlDevice.width;
+ st >> eheader.szlDevice.height;
+ st >> eheader.szlMillimeters.width;
+ st >> eheader.szlMillimeters.height;
+
+ if ( QWMF_DEBUG )
+ {
+ kdDebug() << endl << "-------------------------------------------------" << endl;
+ kdDebug() << "WMF Extended Header:" << endl;
+ kdDebug() << " iType=" << eheader.iType << endl;
+ kdDebug() << " nSize=" << eheader.nSize << endl;
+ kdDebug() << " rclBounds=( " << eheader.rclBounds.left << "; " << eheader.rclBounds.top << "; "
+ << eheader.rclBounds.right << "; " << eheader.rclBounds.bottom << ")" << endl;
+ kdDebug() << " rclFrame=( " << eheader.rclFrame.left << "; " << eheader.rclFrame.top << "; "
+ << eheader.rclFrame.right << "; " << eheader.rclFrame.bottom << ")" << endl;
+ kdDebug() << " nBytes=" << eheader.nBytes << endl;
+ kdDebug() << "\nNOT YET IMPLEMENTED, SORRY." << endl;
+ }
+ }
+ else // no, not enhanced
+ {
+ //----- Read as standard metafile header
+ buffer.at( filePos );
+ st >> header.mtType;
+ st >> header.mtHeaderSize;
+ st >> header.mtVersion;
+ st >> header.mtSize;
+ st >> header.mtNoObjects;
+ st >> header.mtMaxRecord;
+ st >> header.mtNoParameters;
+ if ( QWMF_DEBUG ) {
+ kdDebug() << "WMF Header: " << "mtSize=" << header.mtSize << endl;
+ }
+ }
+
+ //----- Test header validity
+ mValid = ((header.mtHeaderSize == 9) && (header.mtNoParameters == 0)) || mIsEnhanced || mIsPlaceable;
+ if ( mValid )
+ {
+ //----- Read Metafile Records
+ last = NULL;
+ rdFunc = -1;
+ while ( !st.eof() && (rdFunc != 0) )
+ {
+ st >> rdSize;
+ st >> rdFunc;
+ idx = findFunc( rdFunc );
+ rdSize -= 3;
+
+ cmd = new WmfCmd;
+ cmd->next = NULL;
+ if ( last ) last->next = cmd;
+ else mFirstCmd = cmd;
+
+ cmd->funcIndex = idx;
+ cmd->numParm = rdSize;
+ cmd->parm = new WORD[ rdSize ];
+ last = cmd;
+
+ for ( i=0; i<rdSize && !st.eof(); i++ )
+ st >> cmd->parm[ i ];
+
+
+ if ( rdFunc == 0x020B ) { // SETWINDOWORG: dimensions
+ mBBox.setLeft( cmd->parm[ 1 ] );
+ mBBox.setTop( cmd->parm[ 0 ] );
+ }
+ if ( rdFunc == 0x020C ) { // SETWINDOWEXT: dimensions
+ mBBox.setWidth( cmd->parm[ 1 ] );
+ mBBox.setHeight( cmd->parm[ 0 ] );
+ }
+
+ if ( i<rdSize )
+ {
+ kdDebug() << "WMF : file truncated !" << endl;
+ return false;
+ }
+ }
+ //----- Test records validities
+ mValid = (rdFunc == 0) && (mBBox.width() != 0) && (mBBox.height() != 0);
+ if ( !mValid ) {
+ kdDebug() << "WMF : incorrect file format !" << endl;
+ }
+ }
+ else {
+ kdDebug() << "WMF Header : incorrect header !" << endl;
+ }
+
+ buffer.close();
+ return mValid;
+}
+
+
+//-----------------------------------------------------------------------------
+bool QWinMetaFile::paint( const QPaintDevice* aTarget, bool absolute )
+{
+ int idx, i;
+ WmfCmd* cmd;
+
+ if ( !mValid ) return false;
+
+ assert( aTarget!=NULL );
+ if ( mPainter.isActive() ) return false;
+
+ if ( mObjHandleTab ) delete[] mObjHandleTab;
+ mObjHandleTab = new WinObjHandle* [ MAX_OBJHANDLE ];
+ for ( i=MAX_OBJHANDLE-1; i>=0; i-- )
+ mObjHandleTab[ i ] = NULL;
+
+ mPainter.resetXForm();
+ mWinding = false;
+ mAbsoluteCoord = absolute;
+
+ mPainter.begin( aTarget );
+ if ( QWMF_DEBUG ) {
+ kdDebug() << "Bounding box : " << mBBox.left()
+ << " " << mBBox.top() << " " << mBBox.right() << " " << mBBox.bottom() << endl;
+ }
+
+ if ( mAbsoluteCoord ) {
+ mPainter.setWindow( mBBox.top(), mBBox.left(), mBBox.width(), mBBox.height() );
+ }
+ mInternalWorldMatrix.reset();
+
+ for ( cmd=mFirstCmd; cmd; cmd=cmd->next )
+ {
+ idx = cmd->funcIndex;
+ ( this->*metaFuncTab[ idx ].method )( cmd->numParm, cmd->parm );
+
+ if ( QWMF_DEBUG ) {
+ QString str = "", param;
+ if ( metaFuncTab[ idx ].name == NULL ) {
+ str += "UNKNOWN ";
+ }
+ if ( metaFuncTab[ idx ].method == &QWinMetaFile::noop ) {
+ str += "UNIMPLEMENTED ";
+ }
+ str += metaFuncTab[ idx ].name;
+ str += " : ";
+
+ for ( i=0 ; i < cmd->numParm ; i++ ) {
+ param.setNum( cmd->parm[ i ] );
+ str += param;
+ str += " ";
+ }
+ kdDebug() << str << endl;
+ }
+ }
+/*
+ // TODO: cleanup this code when QPicture::setBoundingBox() is possible in KOClipart (QT31)
+ // because actually QPicture::boundingBox() != mBBox()
+ mWindowsCoord += 1;
+ if ( mWindowsCoord == 2 ) {
+ kdDebug() << "DRAW ANGLES " << endl;
+ mPainter.setPen( Qt::white );
+ mPainter.drawPoint( mBBox.left(), mBBox.top() );
+ mPainter.drawPoint( mBBox.right(), mBBox.bottom() );
+ }
+*/
+ mPainter.end();
+ return true;
+}
+
+
+//----------------s-------------------------------------------------------------
+// Metafile painter methods
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setWindowOrg( long, short* parm )
+{
+ if ( mAbsoluteCoord ) {
+ QRect r = mPainter.window();
+ mPainter.setWindow( parm[ 1 ], parm[ 0 ], r.width(), r.height() );
+ }
+ else {
+ double dx = mInternalWorldMatrix.dx();
+ double dy = mInternalWorldMatrix.dy();
+
+ mInternalWorldMatrix.translate( -dx, -dy );
+ mInternalWorldMatrix.translate( -parm[ 1 ], -parm[ 0 ] );
+ mPainter.translate( -dx, -dy );
+ mPainter.translate( -parm[ 1 ], -parm[ 0 ] );
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setWindowExt( long, short* parm )
+{
+ // negative value allowed for width and height : QABS() forbidden
+ if ( mAbsoluteCoord ) {
+ QRect r = mPainter.window();
+ mPainter.setWindow( r.left(), r.top(), parm[ 1 ], parm[ 0 ] );
+ }
+ else {
+ if ( (parm[ 0 ] != 0) && (parm[ 1 ] != 0) ) {
+ QRect r = mPainter.window();
+ double dx = mInternalWorldMatrix.dx();
+ double dy = mInternalWorldMatrix.dy();
+ double sx = mInternalWorldMatrix.m11();
+ double sy = mInternalWorldMatrix.m22();
+
+ mInternalWorldMatrix.translate( -dx, -dy );
+ mInternalWorldMatrix.scale( 1/sx, 1/sy );
+ mPainter.translate( -dx, -dy );
+ mPainter.scale( 1/sx, 1/sy );
+
+ sx = (double)r.width() / (double)parm[ 1 ];
+ sy = (double)r.height() / (double)parm[ 0 ];
+
+ mInternalWorldMatrix.scale( sx, sy );
+ mInternalWorldMatrix.translate( dx, dy );
+ mPainter.scale( sx, sy );
+ mPainter.translate( dx, dy );
+ }
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+// Drawing
+//-----------------------------------------------------------------------------
+void QWinMetaFile::lineTo( long, short* parm )
+{
+ mPainter.lineTo( parm[ 1 ], parm[ 0 ] );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::moveTo( long, short* parm )
+{
+ mPainter.moveTo( parm[ 1 ], parm[ 0 ] );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::ellipse( long, short* parm )
+{
+ mPainter.drawEllipse( parm[ 3 ], parm[ 2 ], parm[ 1 ]-parm[ 3 ], parm[ 0 ]-parm[ 2 ] );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::polygon( long, short* parm )
+{
+ QPointArray* pa;
+
+ pa = pointArray( parm[ 0 ], &parm[ 1 ] );
+ mPainter.drawPolygon( *pa, mWinding );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::polyPolygon( long, short* parm )
+{
+ QRegion region;
+ int i, j, startPolygon;
+
+ mPainter.save();
+
+ // define clipping region
+ QRect win = bbox();
+ startPolygon = 1+parm[ 0 ];
+ for ( i=0 ; i < parm[ 0 ] ; i++ ) {
+ QPointArray pa1( parm[ 1+i ] );
+ for ( j=0 ; j < parm[ 1+i ] ; j++) {
+ pa1.setPoint ( j, parm[ startPolygon ], parm[ startPolygon+1 ] );
+ startPolygon += 2;
+ }
+ QRegion r( pa1 );
+ region = region.eor( r );
+ }
+ mPainter.setClipRegion( region, QPainter::CoordPainter );
+
+ // fill polygons
+ mPainter.fillRect( win.left(), win.top(), win.width(), win.height(), mPainter.brush() );
+
+ // draw polygon's border if necessary
+ if ( mPainter.pen().style() != Qt::NoPen ) {
+ mPainter.setClipping( false );
+ mPainter.setBrush( Qt::NoBrush );
+
+ QPointArray* pa;
+ int idxPolygon = 1 + parm[ 0 ];
+ for ( i=0 ; i < parm[ 0 ] ; i++ ) {
+ pa = pointArray( parm[ 1+i ], &parm[ idxPolygon ] );
+ mPainter.drawPolygon( *pa );
+ idxPolygon += parm[ 1+i ] * 2;
+ }
+ }
+
+ mPainter.restore();
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::polyline( long, short* parm )
+{
+ QPointArray* pa;
+
+ pa = pointArray( parm[ 0 ], &parm[ 1 ] );
+ mPainter.drawPolyline( *pa );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::rectangle( long, short* parm )
+{
+ mPainter.drawRect( parm[ 3 ], parm[ 2 ], parm[ 1 ]-parm[ 3 ], parm[ 0 ]-parm[ 2 ] );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::roundRect( long, short* parm )
+{
+ int xRnd = 0, yRnd = 0;
+
+ // convert (xRound, yRound) in percentage
+ if ( (parm[ 3 ] - parm[ 5 ]) != 0 )
+ xRnd = (parm[ 1 ] * 100) / (parm[ 3 ] - parm[ 5 ]) ;
+ if ( (parm[ 2 ] - parm[ 4 ]) != 0 )
+ yRnd = (parm[ 0 ] * 100) / (parm[ 2 ] - parm[ 4 ]) ;
+
+ mPainter.drawRoundRect( parm[ 5 ], parm[ 4 ], parm[ 3 ]-parm[ 5 ], parm[ 2 ]-parm[ 4 ], xRnd, yRnd );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::arc( long, short* parm )
+{
+ int xCenter, yCenter, angleStart, aLength;
+
+ xCenter = parm[ 7 ] + ((parm[ 5 ] - parm[ 7 ]) / 2);
+ yCenter = parm[ 6 ] + ((parm[ 4 ] - parm[ 6 ]) / 2);
+
+ xyToAngle ( parm[ 3 ] - xCenter, yCenter - parm[ 2 ], parm[ 1 ] - xCenter, yCenter - parm[ 0 ], angleStart, aLength );
+
+ mPainter.drawArc( parm[ 7 ], parm[ 6 ], parm[ 5 ]-parm[ 7 ], parm[ 4 ]-parm[ 6 ], angleStart, aLength);
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::chord( long, short* parm )
+{
+ int xCenter, yCenter, angleStart, aLength;
+
+ xCenter = parm[ 7 ] + ((parm[ 5 ] - parm[ 7 ]) / 2);
+ yCenter = parm[ 6 ] + ((parm[ 4 ] - parm[ 6 ]) / 2);
+
+ xyToAngle ( parm[ 3 ] - xCenter, yCenter - parm[ 2 ], parm[ 1 ] - xCenter, yCenter - parm[ 0 ], angleStart, aLength );
+
+ mPainter.drawChord( parm[ 7 ], parm[ 6 ], parm[ 5 ]-parm[ 7 ], parm[ 4 ]-parm[ 6 ], angleStart, aLength);
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::pie( long, short* parm )
+{
+ int xCenter, yCenter, angleStart, aLength;
+
+ xCenter = parm[ 7 ] + ((parm[ 5 ] - parm[ 7 ]) / 2);
+ yCenter = parm[ 6 ] + ((parm[ 4 ] - parm[ 6 ]) / 2);
+
+ xyToAngle ( parm[ 3 ] - xCenter, yCenter - parm[ 2 ], parm[ 1 ] - xCenter, yCenter - parm[ 0 ], angleStart, aLength );
+
+ mPainter.drawPie( parm[ 7 ], parm[ 6 ], parm[ 5 ]-parm[ 7 ], parm[ 4 ]-parm[ 6 ], angleStart, aLength);
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setPolyFillMode( long, short* parm )
+{
+ mWinding = parm[ 0 ];
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setBkColor( long, short* parm )
+{
+ mPainter.setBackgroundColor( color( parm ) );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setBkMode( long, short* parm )
+{
+ if ( parm[ 0 ]==1 ) mPainter.setBackgroundMode( Qt::TransparentMode );
+ else mPainter.setBackgroundMode( Qt::OpaqueMode );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setPixel( long, short* parm )
+{
+ QPen pen = mPainter.pen();
+ mPainter.setPen( color( parm ) );
+ mPainter.drawPoint( parm[ 3 ], parm[ 2 ] );
+ mPainter.setPen( pen );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setRop( long, short* parm )
+{
+ mPainter.setRasterOp( winToQtRaster( parm[ 0 ] ) );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::saveDC( long, short* )
+{
+ mPainter.save();
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::restoreDC( long, short *parm )
+{
+ for ( int i=0; i > parm[ 0 ] ; i-- )
+ mPainter.restore();
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::intersectClipRect( long, short* parm )
+{
+/* TODO: better implementation : need QT 3.0.2
+ QRegion region = mPainter.clipRegion();
+ if ( region.isEmpty() )
+ region = bbox();
+*/
+ QRegion region( bbox() );
+
+ QRegion newRegion( parm[ 3 ], parm[ 2 ], parm[ 1 ] - parm[ 3 ], parm[ 0 ] - parm[ 2 ] );
+ region = region.intersect( newRegion );
+
+ mPainter.setClipRegion( region, QPainter::CoordPainter );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::excludeClipRect( long, short* parm )
+{
+/* TODO: better implementation : need QT 3.0.2
+ QRegion region = mPainter.clipRegion();
+ if ( region.isEmpty() )
+ region = bbox();
+*/
+ QRegion region( bbox() );
+
+ QRegion newRegion( parm[ 3 ], parm[ 2 ], parm[ 1 ] - parm[ 3 ], parm[ 0 ] - parm[ 2 ] );
+ region = region.subtract( newRegion );
+
+ mPainter.setClipRegion( region, QPainter::CoordPainter );
+}
+
+
+//-----------------------------------------------------------------------------
+// Text
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setTextColor( long, short* parm )
+{
+ mTextColor = color( parm );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::setTextAlign( long, short* parm )
+{
+ mTextAlign = parm[ 0 ];
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::textOut( long num, short* parm )
+{
+
+ short *copyParm = new short[ num + 1 ];
+
+ // re-order parameters
+ int idxOffset = (parm[ 0 ] / 2) + 1 + (parm[ 0 ] & 1);
+ copyParm[ 0 ] = parm[ idxOffset ];
+ copyParm[ 1 ] = parm[ idxOffset + 1 ];
+ copyParm[ 2 ] = parm[ 0 ];
+ copyParm[ 3 ] = 0;
+ memcpy( &copyParm[ 4 ], &parm[ 1 ], parm[ 0 ] );
+
+ extTextOut( num + 1, copyParm );
+ delete [] copyParm;
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::extTextOut( long num, short* parm )
+{
+ char* ptStr;
+ int x, y, width, height;
+ int idxOffset;
+
+ if ( parm[ 3 ] != 0 ) // ETO_CLIPPED flag add 4 parameters
+ ptStr = (char*)&parm[ 8 ];
+ else
+ ptStr = (char*)&parm[ 4 ];
+
+ QCString text( ptStr, parm[ 2 ] + 1 );
+
+ QFontMetrics fm( mPainter.font() );
+ width = fm.width( text ) + fm.descent(); // because fm.width(text) isn't rigth with Italic text
+ height = fm.height();
+
+ mPainter.save();
+
+ if ( mTextAlign & 0x01 ) { // (left, top) position = current logical position
+ QPoint pos = mPainter.pos();
+ x = pos.x();
+ y = pos.y();
+ }
+ else { // (left, top) position = parameters
+ x = parm[ 1 ];
+ y = parm[ 0 ];
+ }
+
+ if ( mRotation ) {
+ mPainter.translate( parm[ 1 ], parm[ 0 ]);
+ mPainter.rotate ( mRotation );
+ mPainter.translate( -parm[ 1 ], -parm[ 0 ] );
+ }
+
+ // alignment
+ if ( mTextAlign & 0x06 )
+ x -= ( width / 2 );
+ if ( mTextAlign & 0x08 )
+ y -= (height - fm.descent());
+
+ mPainter.setPen( mTextColor );
+ idxOffset = (parm[ 2 ] / 2) + 4 + (parm[ 2 ] & 1);
+ if ( ( parm[ 2 ] > 1 ) && ( num >= (idxOffset + parm[ 2 ]) ) && ( parm[ 3 ] == 0 ) ) {
+ // offset for each char
+ int left = x;
+ mPainter.drawText( left, y, width, height, Qt::AlignLeft | Qt::AlignTop, text.mid(0, 1) );
+ for ( int i = 1; i < parm[ 2 ] ; i++ ) {
+ left += parm[ idxOffset + i - 1 ];
+ mPainter.drawText( left, y, width, height, Qt::AlignLeft | Qt::AlignTop, text.mid(i, 1) );
+ }
+ }
+ else {
+ mPainter.drawText( x, y, width, height, Qt::AlignLeft | Qt::AlignTop, text );
+ }
+
+ mPainter.restore();
+
+}
+
+
+
+//-----------------------------------------------------------------------------
+// Bitmap
+//-----------------------------------------------------------------------------
+void QWinMetaFile::dibBitBlt( long num, short* parm )
+{
+ if ( num > 9 ) { // DIB image
+ QImage bmpSrc;
+
+ if ( dibToBmp( bmpSrc, (char*)&parm[ 8 ], (num - 8) * 2 ) ) {
+ long raster = toDWord( parm );
+
+ mPainter.setRasterOp( winToQtRaster( raster ) );
+
+ // wmf file allow negative width or height
+ mPainter.save();
+ if ( parm[ 5 ] < 0 ) { // width < 0 => horizontal flip
+ QWMatrix m( -1.0F, 0.0F, 0.0F, 1.0F, 0.0F, 0.0F );
+ mPainter.setWorldMatrix( m, true );
+ }
+ if ( parm[ 4 ] < 0 ) { // height < 0 => vertical flip
+ QWMatrix m( 1.0F, 0.0F, 0.0F, -1.0F, 0.0F, 0.0F );
+ mPainter.setWorldMatrix( m, true );
+ }
+ mPainter.drawImage( parm[ 7 ], parm[ 6 ], bmpSrc, parm[ 3 ], parm[ 2 ], parm[ 5 ], parm[ 4 ] );
+ mPainter.restore();
+ }
+ }
+ else {
+ kdDebug() << "QWinMetaFile::dibBitBlt without image: not implemented " << endl;
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::dibStretchBlt( long num, short* parm )
+{
+ QImage bmpSrc;
+
+ if ( dibToBmp( bmpSrc, (char*)&parm[ 10 ], (num - 10) * 2 ) ) {
+ long raster = toDWord( parm );
+
+ mPainter.setRasterOp( winToQtRaster( raster ) );
+
+ // wmf file allow negative width or height
+ mPainter.save();
+ if ( parm[ 7 ] < 0 ) { // width < 0 => horizontal flip
+ QWMatrix m( -1.0F, 0.0F, 0.0F, 1.0F, 0.0F, 0.0F );
+ mPainter.setWorldMatrix( m, true );
+ }
+ if ( parm[ 6 ] < 0 ) { // height < 0 => vertical flip
+ QWMatrix m( 1.0F, 0.0F, 0.0F, -1.0F, 0.0F, 0.0F );
+ mPainter.setWorldMatrix( m, true );
+ }
+ bmpSrc = bmpSrc.copy( parm[ 5 ], parm[ 4 ], parm[ 3 ], parm[ 2 ] );
+ // TODO: scale the bitmap ( QImage::scale(parm[ 7 ], parm[ 6 ]) is actually too slow )
+
+ mPainter.drawImage( parm[ 9 ], parm[ 8 ], bmpSrc );
+ mPainter.restore();
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::stretchDib( long num, short* parm )
+{
+ QImage bmpSrc;
+
+ if ( dibToBmp( bmpSrc, (char*)&parm[ 11 ], (num - 11) * 2 ) ) {
+ long raster = toDWord( parm );
+
+ mPainter.setRasterOp( winToQtRaster( raster ) );
+
+ // wmf file allow negative width or height
+ mPainter.save();
+ if ( parm[ 8 ] < 0 ) { // width < 0 => horizontal flip
+ QWMatrix m( -1.0F, 0.0F, 0.0F, 1.0F, 0.0F, 0.0F );
+ mPainter.setWorldMatrix( m, true );
+ }
+ if ( parm[ 7 ] < 0 ) { // height < 0 => vertical flip
+ QWMatrix m( 1.0F, 0.0F, 0.0F, -1.0F, 0.0F, 0.0F );
+ mPainter.setWorldMatrix( m, true );
+ }
+ bmpSrc = bmpSrc.copy( parm[ 6 ], parm[ 5 ], parm[ 4 ], parm[ 3 ] );
+ // TODO: scale the bitmap ( QImage::scale(parm[ 8 ], parm[ 7 ]) is actually too slow )
+
+ mPainter.drawImage( parm[ 10 ], parm[ 9 ], bmpSrc );
+ mPainter.restore();
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::dibCreatePatternBrush( long num, short* parm )
+{
+ WinObjPatternBrushHandle* handle = new WinObjPatternBrushHandle;
+ addHandle( handle );
+ QImage bmpSrc;
+
+ if ( dibToBmp( bmpSrc, (char*)&parm[ 2 ], (num - 2) * 2 ) ) {
+ handle->image = bmpSrc;
+ handle->brush.setPixmap( handle->image );
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+// Object handle
+//-----------------------------------------------------------------------------
+void QWinMetaFile::selectObject( long, short* parm )
+{
+ int idx = parm[ 0 ];
+ if ( idx>=0 && idx < MAX_OBJHANDLE && mObjHandleTab[ idx ] )
+ mObjHandleTab[ idx ]->apply( mPainter );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::deleteObject( long, short* parm )
+{
+ deleteHandle( parm[ 0 ] );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::createEmptyObject( long, short* )
+{
+ // allocation of an empty object (to keep object counting in sync)
+ WinObjPenHandle* handle = new WinObjPenHandle;
+ addHandle( handle );
+ kdDebug() << "QWinMetaFile: unimplemented createObject " << endl;
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::createBrushIndirect( long, short* parm )
+{
+ static Qt::BrushStyle hatchedStyleTab[] =
+ {
+ Qt::HorPattern,
+ Qt::FDiagPattern,
+ Qt::BDiagPattern,
+ Qt::CrossPattern,
+ Qt::DiagCrossPattern
+ };
+ static Qt::BrushStyle styleTab[] =
+ { Qt::SolidPattern,
+ Qt::NoBrush,
+ Qt::FDiagPattern, /* hatched */
+ Qt::Dense4Pattern, /* should be custom bitmap pattern */
+ Qt::HorPattern, /* should be BS_INDEXED (?) */
+ Qt::VerPattern, /* should be device-independent bitmap */
+ Qt::Dense6Pattern, /* should be device-independent packed-bitmap */
+ Qt::Dense2Pattern, /* should be BS_PATTERN8x8 */
+ Qt::Dense3Pattern /* should be device-independent BS_DIBPATTERN8x8 */
+ };
+ Qt::BrushStyle style;
+ short arg;
+ WinObjBrushHandle* handle = new WinObjBrushHandle;
+ addHandle( handle );
+
+ arg = parm[ 0 ];
+ if ( arg==2 )
+ {
+ arg = parm[ 3 ];
+ if ( arg>=0 && arg<5 ) style = hatchedStyleTab[ arg ];
+ else
+ {
+ kdDebug() << "QWinMetaFile::createBrushIndirect: invalid hatched brush " << arg << endl;
+ style = Qt::SolidPattern;
+ }
+ }
+ else if ( arg>=0 && arg<9 )
+ style = styleTab[ arg ];
+ else
+ {
+ kdDebug() << "QWinMetaFile::createBrushIndirect: invalid brush " << arg << endl;
+ style = Qt::SolidPattern;
+ }
+ handle->brush.setStyle( style );
+ handle->brush.setColor( color( parm+1 ) );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::createPenIndirect( long, short* parm )
+{
+ static Qt::PenStyle styleTab[] =
+ { Qt::SolidLine, Qt::DashLine, Qt::DotLine, Qt::DashDotLine, Qt::DashDotDotLine,
+ Qt::NoPen, Qt::SolidLine };
+ Qt::PenStyle style;
+ WinObjPenHandle* handle = new WinObjPenHandle;
+ addHandle( handle );
+
+ if ( parm[ 0 ]>=0 && parm[ 0 ]<6 ) style=styleTab[ parm[ 0 ] ];
+ else
+ {
+ kdDebug() << "QWinMetaFile::createPenIndirect: invalid pen " << parm[ 0 ] << endl;
+ style = Qt::SolidLine;
+ }
+
+ handle->pen.setStyle( style );
+ handle->pen.setColor( color( parm+3 ) );
+ handle->pen.setCapStyle( Qt::RoundCap );
+
+ //int width = 0;
+ // TODO : width of pen proportional to device context width
+ // DOESN'T WORK
+/*
+ QRect devRec;
+ devRec = mPainter.xForm( mBBox );
+ width = ( parm[ 0 ] * devRec.width() ) / mBBox.width() ;
+ kdDebug() << "CreatePenIndirect: " << endl;
+ kdDebug() << " log coord. : " << mBBox.width() << " " << mBBox.height() << endl;
+ kdDebug() << " log. pen : " << parm[ 1 ] << " " << parm[ 2 ] << endl;
+ kdDebug() << " dev. pen : " << width << endl;
+ handle->pen.setWidth( width );
+*/
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::createFontIndirect( long , short* parm)
+{
+ WinObjFontHandle* handle = new WinObjFontHandle;
+ addHandle( handle );
+
+ QString family( (const char*)&parm[ 9 ] );
+
+ mRotation = -parm[ 2 ] / 10; // text rotation (in 1/10 degree)
+ // TODO: memorisation of rotation in object Font
+ handle->font.setFamily( family );
+ handle->font.setFixedPitch( ((parm[ 8 ] & 0x01) == 0) );
+ // TODO: investigation why some test case need -2. (size of font in logical point)
+ handle->font.setPointSize( QABS(parm[ 0 ]) - 2 );
+ handle->font.setWeight( (parm[ 4 ] >> 3) );
+ handle->font.setItalic( (parm[ 5 ] & 0x01) );
+ handle->font.setUnderline( (parm[ 5 ] & 0x100) );
+}
+
+
+//-----------------------------------------------------------------------------
+// Misc
+//-----------------------------------------------------------------------------
+void QWinMetaFile::noop( long, short* )
+{
+}
+
+
+void QWinMetaFile::end( long, short* )
+{
+ // end of file :
+// kdDebug() << "END bbox=( " << mBBox.left() << "; " << mBBox.top() << "; " << mBBox.width() << "; " << mBBox.height() << ")" << endl;
+}
+
+
+//-----------------------------------------------------------------------------
+unsigned short QWinMetaFile::calcCheckSum( WmfPlaceableHeader* apmfh )
+{
+ WORD* lpWord;
+ WORD wResult, i;
+
+ // Start with the first word
+ wResult = *( lpWord = ( WORD* )( apmfh ) );
+ // XOR in each of the other 9 words
+ for( i=1; i<=9; i++ )
+ {
+ wResult ^= lpWord[ i ];
+ }
+ return wResult;
+}
+
+
+//-----------------------------------------------------------------------------
+int QWinMetaFile::findFunc( unsigned short aFunc ) const
+{
+ int i;
+
+ for ( i=0; metaFuncTab[ i ].name; i++ )
+ if ( metaFuncTab[ i ].func == aFunc ) return i;
+
+ // here : unknown function
+ return i;
+}
+
+//-----------------------------------------------------------------------------
+QPointArray* QWinMetaFile::pointArray( short num, short* parm )
+{
+ int i;
+
+ mPoints.resize( num );
+
+ for ( i=0; i<num; i++, parm+=2 )
+ mPoints.setPoint( i, parm[ 0 ], parm[ 1 ] );
+
+ return &mPoints;
+}
+
+//-----------------------------------------------------------------------------
+unsigned int QWinMetaFile::toDWord( short* parm )
+{
+ unsigned int l;
+
+#if !defined( WORDS_BIGENDIAN )
+ l = *( unsigned int* )( parm );
+#else
+ char *bytes;
+ char swap[ 4 ];
+ bytes = ( char* )parm;
+ swap[ 0 ] = bytes[ 2 ];
+ swap[ 1 ] = bytes[ 3 ];
+ swap[ 2 ] = bytes[ 0 ];
+ swap[ 3 ] = bytes[ 1 ];
+ l = *( unsigned int* )( swap );
+#endif
+
+ return l;
+}
+
+
+//-----------------------------------------------------------------------------
+QColor QWinMetaFile::color( short* parm )
+{
+ unsigned int colorRef;
+ int red, green, blue;
+
+ colorRef = toDWord( parm ) & 0xffffff;
+ red = colorRef & 255;
+ green = ( colorRef>>8 ) & 255;
+ blue = ( colorRef>>16 ) & 255;
+
+ return QColor( red, green, blue );
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::xyToAngle( int xStart, int yStart, int xEnd, int yEnd, int& angleStart, int& angleLength )
+{
+ float aStart, aLength;
+
+ aStart = atan2( yStart, xStart );
+ aLength = atan2( yEnd, xEnd ) - aStart;
+
+ angleStart = (int)(aStart * 2880 / 3.14166);
+ angleLength = (int)(aLength * 2880 / 3.14166);
+ if ( angleLength < 0 ) angleLength = 5760 + angleLength;
+}
+
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::addHandle( WinObjHandle* handle )
+{
+ int idx;
+
+ for ( idx=0; idx < MAX_OBJHANDLE ; idx++ )
+ if ( mObjHandleTab[ idx ] == NULL ) break;
+
+ if ( idx < MAX_OBJHANDLE )
+ mObjHandleTab[ idx ] = handle;
+ else
+ kdDebug() << "QWinMetaFile error: handle table full !" << endl;
+}
+
+//-----------------------------------------------------------------------------
+void QWinMetaFile::deleteHandle( int idx )
+{
+ if ( idx >= 0 && idx < MAX_OBJHANDLE && mObjHandleTab[ idx ] )
+ {
+ delete mObjHandleTab[ idx ];
+ mObjHandleTab[ idx ] = NULL;
+ }
+}
+
+//-----------------------------------------------------------------------------
+Qt::RasterOp QWinMetaFile::winToQtRaster( short parm ) const
+{
+ static const Qt::RasterOp opTab[] =
+ {
+ Qt::CopyROP,
+ Qt::ClearROP, Qt::NandROP, Qt::NotAndROP, Qt::NotCopyROP,
+ Qt::AndNotROP, Qt::NotROP, Qt::XorROP, Qt::NorROP,
+ Qt::AndROP, Qt::NotXorROP, Qt::NopROP, Qt::NotOrROP,
+ Qt::CopyROP, Qt::OrNotROP, Qt::OrROP, Qt::SetROP
+ };
+
+ if ( parm > 0 && parm <= 16 )
+ return opTab[ parm ];
+ else
+ return Qt::CopyROP;
+}
+
+//-----------------------------------------------------------------------------
+Qt::RasterOp QWinMetaFile::winToQtRaster( long parm ) const
+{
+ /* TODO: Ternary raster operations
+ 0x00C000CA dest = (source AND pattern)
+ 0x00F00021 dest = pattern
+ 0x00FB0A09 dest = DPSnoo
+ 0x005A0049 dest = pattern XOR dest */
+ static const struct OpTab
+ {
+ long winRasterOp;
+ Qt::RasterOp qtRasterOp;
+ } opTab[] =
+ {
+ { 0x00CC0020, Qt::CopyROP },
+ { 0x00EE0086, Qt::OrROP },
+ { 0x008800C6, Qt::AndROP },
+ { 0x00660046, Qt::XorROP },
+ { 0x00440328, Qt::AndNotROP },
+ { 0x00330008, Qt::NotCopyROP },
+ { 0x001100A6, Qt::NandROP },
+ { 0x00C000CA, Qt::CopyROP },
+ { 0x00BB0226, Qt::NotOrROP },
+ { 0x00F00021, Qt::CopyROP },
+ { 0x00FB0A09, Qt::CopyROP },
+ { 0x005A0049, Qt::CopyROP },
+ { 0x00550009, Qt::NotROP },
+ { 0x00000042, Qt::ClearROP },
+ { 0x00FF0062, Qt::SetROP }
+ };
+
+ int i;
+ for ( i=0 ; i < 15 ; i++ )
+ if ( opTab[ i ].winRasterOp == parm )
+ break;
+
+ if ( i < 15 )
+ return opTab[ i ].qtRasterOp;
+ else
+ return Qt::CopyROP;
+}
+
+//-----------------------------------------------------------------------------
+bool QWinMetaFile::dibToBmp( QImage& bmp, const char* dib, long size )
+{
+ typedef struct _BMPFILEHEADER {
+ WORD bmType;
+ DWORD bmSize;
+ WORD bmReserved1;
+ WORD bmReserved2;
+ DWORD bmOffBits;
+ } BMPFILEHEADER;
+
+ int sizeBmp = size + 14;
+
+ QByteArray pattern( sizeBmp ); // BMP header and DIB data
+ pattern.fill(0);
+ memcpy( &pattern[ 14 ], dib, size );
+
+ // add BMP header
+ BMPFILEHEADER* bmpHeader;
+ bmpHeader = (BMPFILEHEADER*)((const char*)pattern);
+ bmpHeader->bmType = 0x4D42;
+ bmpHeader->bmSize = sizeBmp;
+
+ if ( !bmp.loadFromData( (const uchar*)bmpHeader, pattern.size(), "BMP" ) ) {
+ kdDebug() << "QWinMetaFile::dibToBmp: invalid bitmap " << endl;
+ return false;
+ }
+ else {
+// if ( bmp.save("/home/software/kde-cvs/qt/examples/wmf/test.bmp", "BMP") )
+// if ( bmp.load( "/home/software/kde-cvs/qt/examples/wmf/test.bmp", "BMP" ) )
+// fprintf(stderr, "Bitmap ok \n");
+ return true;
+ }
+}
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-15 20:24:53 +0000