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n#780748: Basic EMF+ implementation.

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* Minimalistic implementation of EMF+ export
* Currently exports transparent polygons.
This commit is contained in:
Muthu Subramanian 2012-12-06 12:21:24 +05:30
parent d5516e8fe2
commit f1fee2a65c
2 changed files with 215 additions and 1 deletions
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204
svtools/source/filter/wmf/emfwr.cxx
View file

@ -130,6 +130,9 @@
#define WIN_SRCPAINT 0x00EE0086L
#define WIN_SRCAND 0x008800C6L
#define WIN_SRCINVERT 0x00660046L
#define WIN_EMR_COMMENT_EMFSPOOL 0x00000000L
#define WIN_EMR_COMMENT_EMFPLUS 0x2B464D45L
#define WIN_EMR_COMMENT_PUBLIC 0x43494447L
#define HANDLE_INVALID 0xffffffff
#define MAXHANDLES 65000
@ -154,10 +157,194 @@
#define MM_ANISOTROPIC 8
typedef enum
{
EmfPlusHeader = 0x4001,
EmfPlusEndOfFile = 0x4002,
EmfPlusComment = 0x4003,
EmfPlusGetDC = 0x4004,
EmfPlusMultiFormatStart = 0x4005,
EmfPlusMultiFormatSection = 0x4006,
EmfPlusMultiFormatEnd = 0x4007,
EmfPlusObject = 0x4008,
EmfPlusClear = 0x4009,
EmfPlusFillRects = 0x400A,
EmfPlusDrawRects = 0x400B,
EmfPlusFillPolygon = 0x400C,
EmfPlusDrawLines = 0x400D,
EmfPlusFillEllipse = 0x400E,
EmfPlusDrawEllipse = 0x400F,
EmfPlusFillPie = 0x4010,
EmfPlusDrawPie = 0x4011,
EmfPlusDrawArc = 0x4012,
EmfPlusFillRegion = 0x4013,
EmfPlusFillPath = 0x4014,
EmfPlusDrawPath = 0x4015,
EmfPlusFillClosedCurve = 0x4016,
EmfPlusDrawClosedCurve = 0x4017,
EmfPlusDrawCurve = 0x4018,
EmfPlusDrawBeziers = 0x4019,
EmfPlusDrawImage = 0x401A,
EmfPlusDrawImagePoints = 0x401B,
EmfPlusDrawstring = 0x401C,
EmfPlusSetRenderingOrigin = 0x401D,
EmfPlusSetAntiAliasMode = 0x401E,
EmfPlusSetTextRenderingHint = 0x401F,
EmfPlusSetTextContrast = 0x4020,
EmfPlusSetInterpolationMode = 0x4021,
EmfPlusSetPixelOffsetMode = 0x4022,
EmfPlusSetCompositingMode = 0x4023,
EmfPlusSetCompositingQuality = 0x4024,
EmfPlusSave = 0x4025,
EmfPlusRestore = 0x4026,
EmfPlusBeginContainer = 0x4027,
EmfPlusBeginContainerNoParams = 0x4028,
EmfPlusEndContainer = 0x4029,
EmfPlusSetWorldTransform = 0x402A,
EmfPlusResetWorldTransform = 0x402B,
EmfPlusMultiplyWorldTransform = 0x402C,
EmfPlusTranslateWorldTransform = 0x402D,
EmfPlusScaleWorldTransform = 0x402E,
EmfPlusRotateWorldTransform = 0x402F,
EmfPlusSetPageTransform = 0x4030,
EmfPlusResetClip = 0x4031,
EmfPlusSetClipRect = 0x4032,
EmfPlusSetClipPath = 0x4033,
EmfPlusSetClipRegion = 0x4034,
EmfPlusOffsetClip = 0x4035,
EmfPlusDrawDriverstring = 0x4036,
EmfPlusStrokeFillPath = 0x4037,
EmfPlusSerializableObject = 0x4038,
EmfPlusSetTSGraphics = 0x4039,
EmfPlusSetTSClip = 0x403A
} EmfPlusRecordType;
// -------------
// - EMFWriter -
// -------------
void EMFWriter::ImplBeginCommentRecord( sal_Int32 nCommentType )
{
ImplBeginRecord( WIN_EMR_GDICOMMENT );
m_rStm.SeekRel( 4 );
m_rStm<< (sal_Int32) nCommentType;
}
void EMFWriter::ImplEndCommentRecord()
{
if( mbRecordOpen )
{
sal_Int32 nActPos = m_rStm.Tell();
m_rStm.Seek( mnRecordPos + 8 );
m_rStm << (sal_uInt32)( nActPos - mnRecordPos - 0xc );
m_rStm.Seek( nActPos );
}
ImplEndRecord();
}
void EMFWriter::ImplBeginPlusRecord( sal_uInt16 nType, sal_uInt16 nFlags )
{
DBG_ASSERT( !mbRecordPlusOpen, "Another EMF+ record is already opened!" );
if( !mbRecordPlusOpen )
{
mbRecordPlusOpen = sal_True;
mnRecordPlusPos = m_rStm.Tell();
m_rStm << (sal_uInt16) nType << (sal_uInt16) nFlags;
m_rStm.SeekRel( 8 );
}
}
// -----------------------------------------------------------------------------
void EMFWriter::ImplEndPlusRecord()
{
DBG_ASSERT( mbRecordPlusOpen, "EMF+ Record was not opened!" );
if( mbRecordPlusOpen )
{
sal_Int32 nActPos = m_rStm.Tell();
sal_Int32 nSize = nActPos - mnRecordPlusPos;
m_rStm.Seek( mnRecordPlusPos + 4 );
m_rStm << (sal_uInt32)( nSize ) // Size
<< (sal_uInt32) ( nSize - 0xc ); // Data Size
m_rStm.Seek( nActPos );
mbRecordPlusOpen = sal_False;
}
}
void EMFWriter::ImplPlusRecord( sal_uInt16 nType, sal_uInt16 nFlags )
{
ImplBeginPlusRecord( nType, nFlags );
ImplEndPlusRecord();
}
void EMFWriter::WriteEMFPlusHeader( const Size &rMtfSizePix, const Size &rMtfSizeLog )
{
ImplBeginCommentRecord( WIN_EMR_COMMENT_EMFPLUS );
m_rStm<< (sal_Int16) EmfPlusHeader;
m_rStm<< (sal_Int16) 0x01 // Flags - Dual Mode // TODO: Check this
<< (sal_Int32) 0x1C // Size
<< (sal_Int32) 0x10 // Data Size
<< (sal_Int32) 0xdbc01002 // (lower 12bits) 1-> v1 2-> v1.1 // TODO: Check this
<< (sal_Int32) 0x01 // Video display
<< (sal_Int32) ( rMtfSizePix.Width()*25 / (rMtfSizeLog.Width()/100) ) // DPI X
<< (sal_Int32) ( rMtfSizePix.Height()*25 / (rMtfSizeLog.Height()/100) ); // DPI Y
ImplEndCommentRecord();
// Write more properties
ImplBeginCommentRecord( WIN_EMR_COMMENT_EMFPLUS );
ImplPlusRecord( EmfPlusSetPixelOffsetMode, 0x0 );
ImplPlusRecord( EmfPlusSetAntiAliasMode, 0x09 ); // TODO: Check actual values for AntiAlias
ImplPlusRecord( EmfPlusSetCompositingQuality, 0x0100 ); // Default Quality
ImplPlusRecord( EmfPlusSetPageTransform, 1 );
ImplPlusRecord( EmfPlusSetInterpolationMode, 0x00 ); // Default
ImplPlusRecord( EmfPlusGetDC, 0x00 );
ImplEndCommentRecord();
}
void EMFWriter::ImplWritePlusEOF()
{
ImplBeginCommentRecord( WIN_EMR_COMMENT_EMFPLUS );
ImplPlusRecord( EmfPlusEndOfFile, 0x0 );
ImplEndCommentRecord();
}
void EMFWriter::ImplWritePlusColor( const Color& rColor, const sal_uInt32& nTrans )
{
sal_uInt32 nAlpha = ((100-nTrans)*0xFF)/100;
sal_uInt32 nCol = rColor.GetBlue();
nCol |= ( (sal_uInt32) rColor.GetGreen() ) << 8;
nCol |= ( (sal_uInt32) rColor.GetRed() ) << 16;
nCol |= ( nAlpha << 24 );
m_rStm << nCol;
}
void EMFWriter::ImplWritePlusPoint( const Point& rPoint )
{
// Convert to pixels
const Point aPoint(maVDev.LogicToPixel( rPoint, maDestMapMode ));
m_rStm << (sal_uInt16) aPoint.X() << (sal_uInt16) aPoint.Y();
}
void EMFWriter::ImplWritePlusFillPolygonRecord( const Polygon& rPoly, const sal_uInt32& nTrans )
{
ImplBeginCommentRecord( WIN_EMR_COMMENT_EMFPLUS );
if( rPoly.GetSize() )
{
ImplBeginPlusRecord( EmfPlusFillPolygon, 0xC000 ); // Sets the color as well
ImplWritePlusColor( maVDev.GetFillColor(), nTrans );
m_rStm << (sal_uInt32) rPoly.GetSize();
for( sal_uInt16 i = 0; i < rPoly.GetSize(); i++ )
ImplWritePlusPoint( rPoly[ i ] );
ImplEndPlusRecord();
}
ImplEndCommentRecord();
}
sal_Bool EMFWriter::WriteEMF( const GDIMetaFile& rMtf, FilterConfigItem* pFilterConfigItem )
{
const sal_uLong nHeaderPos = m_rStm.Tell();
@ -165,8 +352,11 @@ sal_Bool EMFWriter::WriteEMF( const GDIMetaFile& rMtf, FilterConfigItem* pFilter
mpHandlesUsed = new sal_Bool[ MAXHANDLES ];
memset( mpHandlesUsed, 0, MAXHANDLES * sizeof( sal_Bool ) );
mnHorTextAlign = mnHandleCount = mnLastPercent = mnRecordPos = mnRecordCount = 0;
mnRecordPlusPos = 0;
mnLineHandle = mnFillHandle = mnTextHandle = HANDLE_INVALID;
mbRecordOpen = sal_False;
mbRecordPlusOpen = false;
maVDev.EnableOutput( sal_False );
maVDev.SetMapMode( rMtf.GetPrefMapMode() );
@ -182,6 +372,9 @@ sal_Bool EMFWriter::WriteEMF( const GDIMetaFile& rMtf, FilterConfigItem* pFilter
// use [MS-EMF 2.2.11] HeaderExtension2 Object, otherwise resulting EMF cannot be converted with GetWinMetaFileBits()
m_rStm.SeekRel( 108 );
// Write EMF+ Header
WriteEMFPlusHeader( aMtfSizePix, aMtfSizeLog );
// write initial values
// set 100th mm map mode in EMF
@ -214,6 +407,8 @@ sal_Bool EMFWriter::WriteEMF( const GDIMetaFile& rMtf, FilterConfigItem* pFilter
// write emf data
ImplWrite( rMtf );
ImplWritePlusEOF();
ImplBeginRecord( WIN_EMR_EOF );
m_rStm<< (sal_uInt32)0 // nPalEntries
<< (sal_uInt32)0x10 // offPalEntries
@ -1107,9 +1302,16 @@ void EMFWriter::ImplWrite( const GDIMetaFile& rMtf )
case META_TRANSPARENT_ACTION:
{
const PolyPolygon& rPolyPoly = ( (MetaTransparentAction*) pAction )->GetPolyPolygon();
if( rPolyPoly.Count() )
ImplWritePlusFillPolygonRecord( rPolyPoly[0], ( (MetaTransparentAction*)pAction)->GetTransparence() );
ImplCheckFillAttr();
ImplCheckLineAttr();
ImplWritePolyPolygonRecord( ( (MetaTransparentAction*) pAction )->GetPolyPolygon() );
ImplWritePolyPolygonRecord( rPolyPoly );
ImplBeginCommentRecord( WIN_EMR_COMMENT_EMFPLUS );
ImplPlusRecord( EmfPlusGetDC, 0x00 );
ImplEndCommentRecord();
}
break;

12
svtools/source/filter/wmf/emfwr.hxx
View file

@ -46,7 +46,9 @@ private:
sal_uLong mnLastPercent;
sal_uLong mnRecordCount;
sal_uLong mnRecordPos;
sal_uLong mnRecordPlusPos;
sal_Bool mbRecordOpen;
sal_Bool mbRecordPlusOpen;
sal_Bool mbLineChanged;
sal_uInt32 mnLineHandle;
sal_Bool mbFillChanged;
@ -57,6 +59,11 @@ private:
void ImplBeginRecord( sal_uInt32 nType );
void ImplEndRecord();
void ImplBeginPlusRecord( sal_uInt16 nType, sal_uInt16 nFlags );
void ImplEndPlusRecord();
void ImplPlusRecord( sal_uInt16 nType, sal_uInt16 nFlags );
void ImplBeginCommentRecord( sal_Int32 nCommentType );
void ImplEndCommentRecord();
sal_uLong ImplAcquireHandle();
void ImplReleaseHandle( sal_uLong nHandle );
@ -80,6 +87,11 @@ private:
void Impl_handleLineInfoPolyPolygons(const LineInfo& rInfo, const basegfx::B2DPolygon& rLinePolygon);
void ImplWrite( const GDIMetaFile& rMtf );
void WriteEMFPlusHeader( const Size &rMtfSizePix, const Size &rMtfSizeLog );
void ImplWritePlusEOF();
void ImplWritePlusFillPolygonRecord( const Polygon& rPoly, const sal_uInt32& nTrans );
void ImplWritePlusColor( const Color& rColor, const sal_uInt32& nTrans );
void ImplWritePlusPoint( const Point& rPoint );
public: