svgio/inc/svgpatternnode.hxx

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  19
  20 #ifndef INCLUDED_SVGIO_INC_SVGPATTERNNODE_HXX
  21 #define INCLUDED_SVGIO_INC_SVGPATTERNNODE_HXX
  22
  23 #include "svgnode.hxx"
  24 #include "svgstyleattributes.hxx"
  25 #include <memory>
  26
  27 namespace svgio
  28 {
  29     namespace svgreader
  30     {
  31         class SvgPatternNode : public SvgNode
  32         {
  33         private:
  34             /// buffered decomposition
  35             drawinglayer::primitive2d::Primitive2DContainer aPrimitives;
  36
  37             /// use styles
  38             SvgStyleAttributes      maSvgStyleAttributes;
  39
  40             /// variable scan values, dependent of given XAttributeList
  41             std::unique_ptr<basegfx::B2DRange>
  42                                     mpViewBox;
  43             SvgAspectRatio          maSvgAspectRatio;
  44             SvgNumber               maX;
  45             SvgNumber               maY;
  46             SvgNumber               maWidth;
  47             SvgNumber               maHeight;
  48             std::unique_ptr<SvgUnits>
  49                                     mpPatternUnits;
  50             std::unique_ptr<SvgUnits>
  51                                     mpPatternContentUnits;
  52             std::unique_ptr<basegfx::B2DHomMatrix>
  53                                     mpaPatternTransform;
  54
  55             /// link to another pattern used as style. If maXLink
  56             /// is set, the node can be fetched on demand by using
  57             // tryToFindLink (buffered)
  58             mutable bool mbResolvingLink; // protect against infinite link recursion
  59             OUString           maXLink;
  60             const SvgPatternNode*   mpXLink;
  61
  62             /// link on demand
  63             void tryToFindLink();
  64
  65         public:
  66             SvgPatternNode(
  67                 SvgDocument& rDocument,
  68                 SvgNode* pParent);
  69             virtual ~SvgPatternNode() override;
  70
  71             virtual const SvgStyleAttributes* getSvgStyleAttributes() const override;
  72             virtual void parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent) override;
  73
  74             /// global helpers
  75             void getValuesRelative(double& rfX, double& rfY, double& rfW, double& rfH, const basegfx::B2DRange& rGeoRange, SvgNode const & rUser) const;
  76
  77             /// get pattern primitives buffered, uses decomposeSvgNode internally
  78             const drawinglayer::primitive2d::Primitive2DContainer& getPatternPrimitives() const;
  79
  80             /// InfoProvider support for % values
  81             virtual const basegfx::B2DRange getCurrentViewPort() const override;
  82
  83             /// viewBox content
  84             const basegfx::B2DRange* getViewBox() const;
  85             void setViewBox(const basegfx::B2DRange* pViewBox) { mpViewBox.reset(); if(pViewBox) mpViewBox.reset(new basegfx::B2DRange(*pViewBox)); }
  86
  87             /// SvgAspectRatio content
  88             const SvgAspectRatio& getSvgAspectRatio() const;
  89
  90             /// X content, set if found in current context
  91             const SvgNumber& getX() const;
  92
  93             /// Y content, set if found in current context
  94             const SvgNumber& getY() const;
  95
  96             /// Width content, set if found in current context
  97             const SvgNumber& getWidth() const;
  98
  99             /// Height content, set if found in current context
 100             const SvgNumber& getHeight() const;
 101
 102             /// PatternUnits content
 103             const SvgUnits* getPatternUnits() const;
 104             void setPatternUnits(const SvgUnits aPatternUnits) { mpPatternUnits.reset( new SvgUnits(aPatternUnits) ); }
 105
 106             /// PatternContentUnits content
 107             const SvgUnits* getPatternContentUnits() const;
 108             void setPatternContentUnits(const SvgUnits aPatternContentUnits) { mpPatternContentUnits.reset( new SvgUnits(aPatternContentUnits) ); }
 109
 110             /// PatternTransform content
 111             const basegfx::B2DHomMatrix* getPatternTransform() const;
 112             void setPatternTransform(const basegfx::B2DHomMatrix* pMatrix) { mpaPatternTransform.reset(); if(pMatrix) mpaPatternTransform.reset(new basegfx::B2DHomMatrix(*pMatrix)); }
 113
 114         };
 115     } // end of namespace svgreader
 116 } // end of namespace svgio
 117
 118 #endif // INCLUDED_SVGIO_INC_SVGPATTERNNODE_HXX
 119
 120 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */