extensions/source/svg/svgaction.hxx

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  30
  31 #ifndef _SVGACTION_HXX
  32 #define _SVGACTION_HXX
  33
  34 #include "svgcom.hxx"
  35
  36 // --------------
  37 // - FastString -
  38 // --------------
  39
  40 class FastString
  41 {
  42 private:
  43
  44     NMSP_RTL::OUString                  maString;
  45     sal_Unicode*                                mpBuffer;
  46     sal_uInt32                                  mnBufLen;
  47     sal_uInt32                                  mnCurLen;
  48     sal_uInt32                                  mnBufInc;
  49     sal_uInt32                                  mnPartPos;
  50
  51 public:
  52
  53                                 FastString( sal_uInt32 nInitLen = 2048, sal_uInt32 nIncrement = 2048 );
  54                                 FastString( sal_Char* pBufferForBase64Encoding, sal_uInt32 nBufLen );
  55                                 ~FastString();
  56
  57     FastString&                                 operator+=( const NMSP_RTL::OUString& rStr );
  58
  59     const NMSP_RTL::OUString&   GetString() const;
  60     sal_Bool                                    GetFirstPartString( const sal_uInt32 nPartLen, NMSP_RTL::OUString& rPartString );
  61     sal_Bool                                    GetNextPartString( const sal_uInt32 nPartLen, NMSP_RTL::OUString& rPartString );
  62
  63     sal_uInt32                                  GetLength() const { return mnCurLen; }
  64     void                                                Clear() { mnCurLen = 0, maString = NMSP_RTL::OUString(); }
  65 };
  66
  67 // ----------------------
  68 // - SVGAttributeWriter -
  69 // ----------------------
  70
  71 class SVGActionWriter;
  72
  73 class SVGAttributeWriter
  74 {
  75 private:
  76
  77     Font                                        maCurFont;
  78     Color                                       maCurLineColor;
  79     Color                                       maCurFillColor;
  80     SVGActionWriter&            mrParent;
  81     SvXMLExport&                        mrExport;
  82     SvXMLElementExport*         mpElemFont;
  83     SvXMLElementExport*         mpElemPaint;
  84
  85                             SVGAttributeWriter();
  86
  87 public:
  88
  89                             SVGAttributeWriter( SVGActionWriter& rParent, SvXMLExport& rExport );
  90     virtual                                     ~SVGAttributeWriter();
  91
  92     NMSP_RTL::OUString          GetFontStyle( const Font& rFont );
  93     NMSP_RTL::OUString          GetPaintStyle( const Color& rLineColor, const Color& rFillColor );
  94
  95     void                                        SetFontAttr( const Font& rFont );
  96     void                                        SetPaintAttr( const Color& rLineColor, const Color& rFillColor );
  97 };
  98
  99 // -------------------
 100 // - SVGActionWriter -
 101 // -------------------
 102
 103 class SVGAttributeWriter;
 104 class SvXMLExport;
 105 class GDIMetaFile;
 106
 107 class SVGActionWriter
 108 {
 109     friend class SVGAttributeWriter;
 110
 111 private:
 112
 113     Stack                                       maContextStack;
 114     SvXMLExport&                        mrExport;
 115     const GDIMetaFile&          mrMtf;
 116     SVGAttributeWriter*         mpContext;
 117     VirtualDevice*                      mpVDev;
 118     MapMode                                     maTargetMapMode;
 119     sal_Int32                           mnCurClipId;
 120     sal_Bool                            mbDestroyVDev;
 121     sal_Bool                            mbPaintAttrChanged;
 122     sal_Bool                            mbFontAttrChanged;
 123     sal_Bool                            mbClipAttrChanged;
 124     sal_Bool                            mbDoublePoints;
 125
 126     SVGAttributeWriter*         ImplAcquireContext() { maContextStack.Push( mpContext = new SVGAttributeWriter( *this, mrExport ) ); return mpContext; }
 127     void                                        ImplReleaseContext() { delete (SVGAttributeWriter*)     maContextStack.Pop(); mpContext = (SVGAttributeWriter*) maContextStack.Top(); }
 128
 129     long                                        ImplMap( sal_Int32 nVal ) const;
 130     Point                                       ImplMap( const Point& rPt ) const;
 131     Size                                        ImplMap( const Size& rSz ) const;
 132     inline Rectangle            ImplMap( const Rectangle& rRect ) const { return Rectangle( ImplMap( rRect.TopLeft() ), ImplMap( rRect.GetSize() ) ); }
 133
 134     void                                        ImplWriteLine( const Point& rPt1, const Point& rPt2, const Color* pLineColor = NULL, const NMSP_RTL::OUString* pStyle = NULL );
 135     void                                        ImplWriteRect( const Rectangle& rRect, long nRadX = 0, long nRadY = 0, const NMSP_RTL::OUString* pStyle = NULL );
 136     void                                        ImplWriteEllipse( const Point& rCenter, long nRadX, long nRadY, const NMSP_RTL::OUString* pStyle = NULL );
 137     void                                        ImplWritePolygon( const Polygon& rPoly, sal_Bool bLineOnly, const NMSP_RTL::OUString* pStyle = NULL );
 138     void                                        ImplWritePolyPolygon( const PolyPolygon& rPolyPoly, sal_Bool bLineOnly, const NMSP_RTL::OUString* pStyle = NULL );
 139     void                                        ImplWriteGradientEx( const PolyPolygon& rPolyPoly, const Gradient& rGradient, const NMSP_RTL::OUString* pStyle = NULL );
 140     void                                        ImplWriteText( const Point& rPos, const String& rText, const sal_Int32* pDXArray, long nWidth, const NMSP_RTL::OUString* pStyle = NULL );
 141     void                                        ImplWriteBmp( const BitmapEx& rBmpEx, const Point& rPt, const Size& rSz, const Point& rSrcPt, const Size& rSrcSz, const NMSP_RTL::OUString* pStyle = NULL );
 142
 143     void                                        ImplCheckFontAttributes();
 144     void                                        ImplCheckPaintAttributes();
 145
 146     void                                        ImplWriteActions( const GDIMetaFile& rMtf, const NMSP_RTL::OUString* pStyle = NULL );
 147
 148     sal_Int32                           ImplGetNextClipId() { return mnCurClipId++; }
 149
 150                             SVGActionWriter();
 151
 152 public:
 153
 154     static NMSP_RTL::OUString GetValueString( sal_Int32 nVal, sal_Bool bDoublePoints );
 155
 156 public:
 157
 158                             SVGActionWriter( SvXMLExport& rExport, const GDIMetaFile& rMtf,
 159                                              VirtualDevice* pParentVDev = NULL,
 160                                              sal_Bool bWriteDoublePoints = sal_False );
 161     virtual                                     ~SVGActionWriter();
 162
 163     const VirtualDevice&        GetVDev() const { return *mpVDev; }
 164     BOOL                                        HasDoublePoints() const { return mbDoublePoints; }
 165 };
 166
 167 #endif