extensions/source/svg/svgaction.hxx

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  27
  28 #ifndef _SVGACTION_HXX
  29 #define _SVGACTION_HXX
  30
  31 #include "svgcom.hxx"
  32
  33 // --------------
  34 // - FastString -
  35 // --------------
  36
  37 class FastString
  38 {
  39 private:
  40
  41     NMSP_RTL::OUString          maString;
  42     sal_Unicode*                mpBuffer;
  43     sal_uInt32                  mnBufLen;
  44     sal_uInt32                  mnCurLen;
  45     sal_uInt32                  mnBufInc;
  46     sal_uInt32                  mnPartPos;
  47
  48 public:
  49
  50                                 FastString( sal_uInt32 nInitLen = 2048, sal_uInt32 nIncrement = 2048 );
  51                                 FastString( sal_Char* pBufferForBase64Encoding, sal_uInt32 nBufLen );
  52                                 ~FastString();
  53
  54     FastString&                 operator+=( const NMSP_RTL::OUString& rStr );
  55
  56     const NMSP_RTL::OUString&   GetString() const;
  57     sal_Bool                    GetFirstPartString( const sal_uInt32 nPartLen, NMSP_RTL::OUString& rPartString );
  58     sal_Bool                    GetNextPartString( const sal_uInt32 nPartLen, NMSP_RTL::OUString& rPartString );
  59
  60     sal_uInt32                  GetLength() const { return mnCurLen; }
  61     void                        Clear() { mnCurLen = 0, maString = NMSP_RTL::OUString(); }
  62 };
  63
  64 // ----------------------
  65 // - SVGAttributeWriter -
  66 // ----------------------
  67
  68 class SVGActionWriter;
  69
  70 class SVGAttributeWriter
  71 {
  72 private:
  73
  74     Font                    maCurFont;
  75     Color                   maCurLineColor;
  76     Color                   maCurFillColor;
  77     SVGActionWriter&        mrParent;
  78     SvXMLExport&            mrExport;
  79     SvXMLElementExport*     mpElemFont;
  80     SvXMLElementExport*     mpElemPaint;
  81
  82                             SVGAttributeWriter();
  83
  84 public:
  85
  86                             SVGAttributeWriter( SVGActionWriter& rParent, SvXMLExport& rExport );
  87     virtual                 ~SVGAttributeWriter();
  88
  89     NMSP_RTL::OUString      GetFontStyle( const Font& rFont );
  90     NMSP_RTL::OUString      GetPaintStyle( const Color& rLineColor, const Color& rFillColor );
  91
  92     void                    SetFontAttr( const Font& rFont );
  93     void                    SetPaintAttr( const Color& rLineColor, const Color& rFillColor );
  94 };
  95
  96 // -------------------
  97 // - SVGActionWriter -
  98 // -------------------
  99
 100 class SVGAttributeWriter;
 101 class SvXMLExport;
 102 class GDIMetaFile;
 103
 104 class SVGActionWriter
 105 {
 106     friend class SVGAttributeWriter;
 107
 108 private:
 109
 110     Stack                   maContextStack;
 111     SvXMLExport&            mrExport;
 112     const GDIMetaFile&      mrMtf;
 113     SVGAttributeWriter*     mpContext;
 114     VirtualDevice*          mpVDev;
 115     MapMode                 maTargetMapMode;
 116     sal_Int32               mnCurClipId;
 117     sal_Bool                mbDestroyVDev;
 118     sal_Bool                mbPaintAttrChanged;
 119     sal_Bool                mbFontAttrChanged;
 120     sal_Bool                mbClipAttrChanged;
 121     sal_Bool                mbDoublePoints;
 122
 123     SVGAttributeWriter*     ImplAcquireContext() { maContextStack.Push( mpContext = new SVGAttributeWriter( *this, mrExport ) ); return mpContext; }
 124     void                    ImplReleaseContext() { delete (SVGAttributeWriter*) maContextStack.Pop(); mpContext = (SVGAttributeWriter*) maContextStack.Top(); }
 125
 126     long                    ImplMap( sal_Int32 nVal ) const;
 127     Point                   ImplMap( const Point& rPt ) const;
 128     Size                    ImplMap( const Size& rSz ) const;
 129     inline Rectangle        ImplMap( const Rectangle& rRect ) const { return Rectangle( ImplMap( rRect.TopLeft() ), ImplMap( rRect.GetSize() ) ); }
 130
 131     void                    ImplWriteLine( const Point& rPt1, const Point& rPt2, const Color* pLineColor = NULL, const NMSP_RTL::OUString* pStyle = NULL );
 132     void                    ImplWriteRect( const Rectangle& rRect, long nRadX = 0, long nRadY = 0, const NMSP_RTL::OUString* pStyle = NULL );
 133     void                    ImplWriteEllipse( const Point& rCenter, long nRadX, long nRadY, const NMSP_RTL::OUString* pStyle = NULL );
 134     void                    ImplWritePolygon( const Polygon& rPoly, sal_Bool bLineOnly, const NMSP_RTL::OUString* pStyle = NULL );
 135     void                    ImplWritePolyPolygon( const PolyPolygon& rPolyPoly, sal_Bool bLineOnly, const NMSP_RTL::OUString* pStyle = NULL );
 136     void                    ImplWriteGradientEx( const PolyPolygon& rPolyPoly, const Gradient& rGradient, const NMSP_RTL::OUString* pStyle = NULL );
 137     void                    ImplWriteText( const Point& rPos, const String& rText, const sal_Int32* pDXArray, long nWidth, const NMSP_RTL::OUString* pStyle = NULL );
 138     void                    ImplWriteBmp( const BitmapEx& rBmpEx, const Point& rPt, const Size& rSz, const Point& rSrcPt, const Size& rSrcSz, const NMSP_RTL::OUString* pStyle = NULL );
 139
 140     void                    ImplCheckFontAttributes();
 141     void                    ImplCheckPaintAttributes();
 142
 143     void                    ImplWriteActions( const GDIMetaFile& rMtf, const NMSP_RTL::OUString* pStyle = NULL );
 144
 145     sal_Int32               ImplGetNextClipId() { return mnCurClipId++; }
 146
 147                             SVGActionWriter();
 148
 149 public:
 150
 151     static NMSP_RTL::OUString GetValueString( sal_Int32 nVal, sal_Bool bDoublePoints );
 152
 153 public:
 154
 155                             SVGActionWriter( SvXMLExport& rExport, const GDIMetaFile& rMtf,
 156                                              VirtualDevice* pParentVDev = NULL,
 157                                              sal_Bool bWriteDoublePoints = sal_False );
 158     virtual                 ~SVGActionWriter();
 159
 160     const VirtualDevice&    GetVDev() const { return *mpVDev; }
 161     BOOL                    HasDoublePoints() const { return mbDoublePoints; }
 162 };
 163
 164 #endif