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 <basegfx/matrix/b2dhommatrix.hxx>
  26 #include <memory>
  27
  28 namespace svgio::svgreader
  29     {
  30         class SvgPatternNode : public SvgNode
  31         {
  32         private:
  33             /// buffered decomposition
  34             drawinglayer::primitive2d::Primitive2DContainer aPrimitives;
  35
  36             /// use styles
  37             SvgStyleAttributes      maSvgStyleAttributes;
  38
  39             /// variable scan values, dependent of given XAttributeList
  40             std::unique_ptr<basegfx::B2DRange>
  41                                     mpViewBox;
  42             SvgAspectRatio          maSvgAspectRatio;
  43             SvgNumber               maX;
  44             SvgNumber               maY;
  45             SvgNumber               maWidth;
  46             SvgNumber               maHeight;
  47             std::unique_ptr<SvgUnits>
  48                                     mpPatternUnits;
  49             std::unique_ptr<SvgUnits>
  50                                     mpPatternContentUnits;
  51             std::unique_ptr<basegfx::B2DHomMatrix>
  52                                     mpaPatternTransform;
  53
  54             /// link to another pattern used as style. If maXLink
  55             /// is set, the node can be fetched on demand by using
  56             // tryToFindLink (buffered)
  57             mutable bool mbResolvingLink; // protect against infinite link recursion
  58             OUString           maXLink;
  59             const SvgPatternNode*   mpXLink;
  60
  61             /// link on demand
  62             void tryToFindLink();
  63
  64         public:
  65             SvgPatternNode(
  66                 SvgDocument& rDocument,
  67                 SvgNode* pParent);
  68             virtual ~SvgPatternNode() override;
  69
  70             virtual const SvgStyleAttributes* getSvgStyleAttributes() const override;
  71             virtual void parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent) override;
  72
  73             /// global helpers
  74             void getValuesRelative(double& rfX, double& rfY, double& rfW, double& rfH, const basegfx::B2DRange& rGeoRange, SvgNode const & rUser) const;
  75
  76             /// get pattern primitives buffered, uses decomposeSvgNode internally
  77             const drawinglayer::primitive2d::Primitive2DContainer& getPatternPrimitives() const;
  78
  79             /// InfoProvider support for % values
  80             virtual basegfx::B2DRange getCurrentViewPort() const override;
  81
  82             /// viewBox content
  83             const basegfx::B2DRange* getViewBox() const;
  84             void setViewBox(const basegfx::B2DRange* pViewBox) { mpViewBox.reset(); if(pViewBox) mpViewBox.reset(new basegfx::B2DRange(*pViewBox)); }
  85
  86             /// SvgAspectRatio content
  87             const SvgAspectRatio& getSvgAspectRatio() const;
  88
  89             /// X content, set if found in current context
  90             const SvgNumber& getX() const;
  91
  92             /// Y content, set if found in current context
  93             const SvgNumber& getY() const;
  94
  95             /// Width content, set if found in current context
  96             const SvgNumber& getWidth() const;
  97
  98             /// Height content, set if found in current context
  99             const SvgNumber& getHeight() const;
 100
 101             /// PatternUnits content
 102             const SvgUnits* getPatternUnits() const;
 103             void setPatternUnits(const SvgUnits aPatternUnits) { mpPatternUnits.reset( new SvgUnits(aPatternUnits) ); }
 104
 105             /// PatternContentUnits content
 106             const SvgUnits* getPatternContentUnits() const;
 107             void setPatternContentUnits(const SvgUnits aPatternContentUnits) { mpPatternContentUnits.reset( new SvgUnits(aPatternContentUnits) ); }
 108
 109             /// PatternTransform content
 110             const basegfx::B2DHomMatrix* getPatternTransform() const;
 111             void setPatternTransform(const basegfx::B2DHomMatrix* pMatrix) { mpaPatternTransform.reset(); if(pMatrix) mpaPatternTransform.reset(new basegfx::B2DHomMatrix(*pMatrix)); }
 112
 113         };
 114
 115 } // end of namespace svgio::svgreader
 116
 117 #endif // INCLUDED_SVGIO_INC_SVGPATTERNNODE_HXX
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */