#104690# added clipping for gradients
This commit is contained in:
Sven Jacobi
parent
5e02bb0920
commit
6e2995c51a
1 changed files with 146 additions and 78 deletions
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@ -2,9 +2,9 @@
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*
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* $RCSfile: eps.cxx,v $
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*
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* $Revision: 1.17 $
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* $Revision: 1.18 $
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*
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* last change: $Author: thb $ $Date: 2002-11-01 14:14:22 $
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* last change: $Author: sj $ $Date: 2002-11-12 18:00:03 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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@ -158,8 +158,8 @@ private:
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UINT32 mnLatestPush; // offset auf streamposition, an der zuletzt gepusht wurde
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long mnLevel; // dialog options
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BOOL mbGrayScale;
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BOOL mbCompression;
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sal_Bool mbGrayScale;
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sal_Bool mbCompression;
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sal_Int32 mnPreview;
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sal_Int32 mnTextMode;
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@ -204,6 +204,8 @@ private:
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ChrSet* pChrSetList; // Liste der Character-Sets
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BYTE nNextChrSetId; // die erste unbenutzte ChrSet-Id
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PolyPolygon aGradientPath;
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PSLZWCTreeNode* pTable; // LZW compression data
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PSLZWCTreeNode* pPrefix; // the compression is as same as the TIFF compression
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USHORT nDataSize;
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@ -259,6 +261,7 @@ private:
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void ImplWriteLineInfo( const LineInfo& rLineInfo );
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void ImplRect( const Rectangle & rRectangle );
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void ImplRectFill ( const Rectangle & rRectangle );
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void ImplWriteGradient( const PolyPolygon& rPolyPoly, const Gradient& rGradient );
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void ImplPolyPoly( const PolyPolygon & rPolyPolygon, sal_Bool bTextOutline = sal_False );
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void ImplPolyLine( const Polygon & rPolygon );
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@ -889,12 +892,15 @@ void PSWriter::ImplWriteActions( const GDIMetaFile& rMtf )
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case META_GRADIENT_ACTION :
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{
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VirtualDevice aVDev;
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GDIMetaFile aTmpMtf;
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PolyPolygon aPolyPoly( ( (const MetaGradientAction*)pMA)->GetRect() );
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ImplWriteGradient( aPolyPoly, ( (const MetaGradientAction*) pMA )->GetGradient() );
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}
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break;
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aVDev.SetMapMode( aMapMode );
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aVDev.AddGradientActions( ( (const MetaGradientAction*)pMA)->GetRect(), ( (const MetaGradientAction*) pMA )->GetGradient(), aTmpMtf );
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ImplWriteActions( aTmpMtf );
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case META_GRADIENTEX_ACTION :
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{
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PolyPolygon aPolyPoly( ( (const MetaGradientExAction*)pMA)->GetPolyPolygon() );
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ImplWriteGradient( aPolyPoly, ( (const MetaGradientExAction*) pMA )->GetGradient() );
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}
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break;
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@ -1242,93 +1248,123 @@ void PSWriter::ImplWriteActions( const GDIMetaFile& rMtf )
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case META_COMMENT_ACTION:
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{
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const MetaCommentAction* pA = (const MetaCommentAction*) pMA;
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const BYTE* pData = pA->GetData();
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if ( pData )
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if ( pA->GetComment().CompareIgnoreCaseToAscii( "XGRAD_SEQ_BEGIN" ) == COMPARE_EQUAL )
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{
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SvMemoryStream aMemStm( (void*)pData, pA->GetDataSize(), STREAM_READ );
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sal_Bool bSkipSequence = sal_False;
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ByteString sSeqEnd;
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if( pA->GetComment().Equals( "XPATHSTROKE_SEQ_BEGIN" ) )
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const MetaGradientExAction* pGradAction = NULL;
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while( ++nCurAction < nCount )
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{
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sSeqEnd = ByteString( "XPATHSTROKE_SEQ_END" );
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SvtGraphicStroke aStroke;
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aMemStm >> aStroke;
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Polygon aPath;
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aStroke.getPath( aPath );
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PolyPolygon aStartArrow;
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PolyPolygon aEndArrow;
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double fTransparency( aStroke.getTransparency() );
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double fStrokeWidth( aStroke.getStrokeWidth() );
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SvtGraphicStroke::JoinType eJT( aStroke.getJoinType() );
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SvtGraphicStroke::DashArray aDashArray;
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aStroke.getStartArrow( aStartArrow );
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aStroke.getEndArrow( aEndArrow );
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aStroke.getDashArray( aDashArray );
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bSkipSequence = sal_True;
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if ( aDashArray.size() > 11 ) // ps dasharray limit is 11
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bSkipSequence = sal_False;
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if ( aStartArrow.Count() || aEndArrow.Count() )
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bSkipSequence = sal_False;
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if ( (sal_uInt32)eJT > 2 )
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bSkipSequence = sal_False;
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if ( bSkipSequence )
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MetaAction* pAction = rMtf.GetAction( nCurAction );
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if( pAction->GetType() == META_GRADIENTEX_ACTION )
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pGradAction = (const MetaGradientExAction*) pAction;
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else if( ( pAction->GetType() == META_COMMENT_ACTION ) &&
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( ( (const MetaCommentAction*) pAction )->GetComment().CompareIgnoreCaseToAscii( "XGRAD_SEQ_END" ) == COMPARE_EQUAL ) )
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{
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fStrokeWidth *= fXScaling > fYScaling ? fXScaling : fYScaling;
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sal_uInt32 j, i = aDashArray.size();
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for ( j = 0; j < i; j++ )
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aDashArray[ j ] *= fXScaling > fYScaling ? fXScaling : fYScaling;
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ImplWriteLineInfo( fStrokeWidth, aStroke.getMiterLimit(),
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aStroke.getCapType(), eJT, aDashArray );
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ImplPolyLine( aPath );
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break;
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}
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}
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else if( pA->GetComment().Equals( "XPATHFILL_SEQ_BEGIN" ) )
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if( pGradAction )
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ImplWriteGradient( pGradAction->GetPolyPolygon(), pGradAction->GetGradient() );
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}
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else
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{
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const BYTE* pData = pA->GetData();
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if ( pData )
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{
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sSeqEnd = ByteString( "XPATHFILL_SEQ_END" );
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SvtGraphicFill aFill;
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aMemStm >> aFill;
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if ( aFill.getFillType() == SvtGraphicFill::fillSolid )
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SvMemoryStream aMemStm( (void*)pData, pA->GetDataSize(), STREAM_READ );
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sal_Bool bSkipSequence = sal_False;
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ByteString sSeqEnd;
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if( pA->GetComment().Equals( "XPATHSTROKE_SEQ_BEGIN" ) )
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{
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sSeqEnd = ByteString( "XPATHSTROKE_SEQ_END" );
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SvtGraphicStroke aStroke;
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aMemStm >> aStroke;
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Polygon aPath;
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aStroke.getPath( aPath );
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PolyPolygon aStartArrow;
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PolyPolygon aEndArrow;
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double fTransparency( aStroke.getTransparency() );
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double fStrokeWidth( aStroke.getStrokeWidth() );
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SvtGraphicStroke::JoinType eJT( aStroke.getJoinType() );
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SvtGraphicStroke::DashArray aDashArray;
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aStroke.getStartArrow( aStartArrow );
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aStroke.getEndArrow( aEndArrow );
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aStroke.getDashArray( aDashArray );
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bSkipSequence = sal_True;
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PolyPolygon aPolyPoly;
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aFill.getPath( aPolyPoly );
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sal_uInt16 i, nPolyCount = aPolyPoly.Count();
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if ( nPolyCount )
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if ( aDashArray.size() > 11 ) // ps dasharray limit is 11
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bSkipSequence = sal_False;
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if ( aStartArrow.Count() || aEndArrow.Count() )
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bSkipSequence = sal_False;
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if ( (sal_uInt32)eJT > 2 )
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bSkipSequence = sal_False;
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if ( bSkipSequence )
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{
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aFillColor = aFill.getFillColor();
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ImplWriteFillColor( PS_SPACE );
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for ( i = 0; i < nPolyCount; )
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fStrokeWidth *= fXScaling > fYScaling ? fXScaling : fYScaling;
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sal_uInt32 j, i = aDashArray.size();
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for ( j = 0; j < i; j++ )
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aDashArray[ j ] *= fXScaling > fYScaling ? fXScaling : fYScaling;
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ImplWriteLineInfo( fStrokeWidth, aStroke.getMiterLimit(),
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aStroke.getCapType(), eJT, aDashArray );
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ImplPolyLine( aPath );
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}
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}
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else if( pA->GetComment().Equals( "XPATHFILL_SEQ_BEGIN" ) )
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{
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sSeqEnd = ByteString( "XPATHFILL_SEQ_END" );
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SvtGraphicFill aFill;
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aMemStm >> aFill;
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switch( aFill.getFillType() )
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{
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case SvtGraphicFill::fillSolid :
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{
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ImplAddPath( aPolyPoly.GetObject( i ) );
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if ( ++i < nPolyCount )
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bSkipSequence = sal_True;
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PolyPolygon aPolyPoly;
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aFill.getPath( aPolyPoly );
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sal_uInt16 i, nPolyCount = aPolyPoly.Count();
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if ( nPolyCount )
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{
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*mpPS << "p";
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mnCursorPos += 2;
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aFillColor = aFill.getFillColor();
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ImplWriteFillColor( PS_SPACE );
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for ( i = 0; i < nPolyCount; )
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{
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ImplAddPath( aPolyPoly.GetObject( i ) );
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if ( ++i < nPolyCount )
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{
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*mpPS << "p";
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mnCursorPos += 2;
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ImplExecMode( PS_RET );
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}
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}
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*mpPS << "p ef";
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mnCursorPos += 4;
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ImplExecMode( PS_RET );
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}
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}
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*mpPS << "p ef";
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mnCursorPos += 4;
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ImplExecMode( PS_RET );
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break;
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case SvtGraphicFill::fillGradient :
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{
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aFill.getPath( aGradientPath );
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}
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break;
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}
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}
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}
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if ( bSkipSequence )
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{
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while( ++nCurAction < nCount )
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if ( bSkipSequence )
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{
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pMA = rMtf.GetAction( nCurAction );
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if ( pMA->GetType() == META_COMMENT_ACTION )
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while( ++nCurAction < nCount )
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{
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ByteString sComment( ((MetaCommentAction*)pMA)->GetComment() );
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if ( sComment.Equals( sSeqEnd ) )
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break;
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pMA = rMtf.GetAction( nCurAction );
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if ( pMA->GetType() == META_COMMENT_ACTION )
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{
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ByteString sComment( ((MetaCommentAction*)pMA)->GetComment() );
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if ( sComment.Equals( sSeqEnd ) )
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break;
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}
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}
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}
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}
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@ -1474,6 +1510,38 @@ void PSWriter::ImplAddPath( const Polygon & rPolygon )
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//---------------------------------------------------------------------------------
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void PSWriter::ImplWriteGradient( const PolyPolygon& rPolyPoly, const Gradient& rGradient )
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{
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sal_uInt16 i, nPolyCount = aGradientPath.Count();
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if ( nPolyCount )
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{
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ImplWriteLine( "gs" );
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for ( i = 0; i < nPolyCount; )
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{
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ImplAddPath( aGradientPath.GetObject( i ) );
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if ( ++i < nPolyCount )
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{
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*mpPS << "p";
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mnCursorPos += 2;
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ImplExecMode( PS_RET );
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}
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}
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ImplWriteLine( "eoclip newpath" );
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aGradientPath = PolyPolygon();
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}
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VirtualDevice aVDev;
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GDIMetaFile aTmpMtf;
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aVDev.SetMapMode( aMapMode );
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aVDev.AddGradientActions( rPolyPoly.GetBoundRect(), rGradient, aTmpMtf );
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ImplWriteActions( aTmpMtf );
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if ( nPolyCount )
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ImplWriteLine( "gr" );
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}
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//---------------------------------------------------------------------------------
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void PSWriter::ImplPolyPoly( const PolyPolygon & rPolyPoly, sal_Bool bTextOutline )
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{
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sal_uInt16 i, nPolyCount = rPolyPoly.Count();
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