svgio/inc/svgsvgnode.hxx

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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
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  19
  20 #ifndef INCLUDED_SVGIO_INC_SVGSVGNODE_HXX
  21 #define INCLUDED_SVGIO_INC_SVGSVGNODE_HXX
  22
  23 #include "svgstyleattributes.hxx"
  24 #include <memory>
  25
  26 namespace svgio::svgreader
  27     {
  28         class SvgSvgNode final : public SvgNode
  29         {
  30         private:
  31             /// use styles
  32             SvgStyleAttributes      maSvgStyleAttributes;
  33
  34             /// variable scan values, dependent of given XAttributeList
  35             std::unique_ptr<basegfx::B2DRange>
  36                                     mpViewBox;
  37             SvgAspectRatio          maSvgAspectRatio;
  38             SvgNumber               maX;
  39             SvgNumber               maY;
  40             SvgNumber               maWidth;
  41             SvgNumber               maHeight;
  42             SvgNumber               maVersion;
  43
  44             /// #i125258# bitfield
  45             bool                    mbStyleAttributesInitialized : 1;
  46
  47             // #i125258# on-demand init hard attributes when this is the outmost svg element
  48             // and more (see implementation)
  49             void initializeStyleAttributes();
  50
  51         public:
  52             SvgSvgNode(
  53                 SvgDocument& rDocument,
  54                 SvgNode* pParent);
  55             virtual ~SvgSvgNode() override;
  56
  57             virtual const SvgStyleAttributes* getSvgStyleAttributes() const override;
  58             virtual void parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent) override;
  59             virtual void decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool bReferenced) const override;
  60
  61             /// Seeks width and height of viewport, which is current before the new viewport is set.
  62             // needed for percentage unit in x, y, width or height
  63             void seekReferenceWidth(double& fWidth, bool& bHasFound) const;
  64             void seekReferenceHeight(double& fHeight, bool& bHasFound) const;
  65
  66             /// InfoProvider support for % values in children
  67             // The returned 'CurrentViewPort' is the viewport as it is set by this svg element
  68             // and as it is needed to resolve relative values in children
  69             // The method does not check for invalid width and height
  70             virtual basegfx::B2DRange getCurrentViewPort() const override;
  71
  72             /// viewBox content
  73             const basegfx::B2DRange* getViewBox() const { return mpViewBox.get(); }
  74             void setViewBox(const basegfx::B2DRange* pViewBox) { mpViewBox.reset(); if(pViewBox) mpViewBox.reset( new basegfx::B2DRange(*pViewBox) ); }
  75
  76             /// SvgAspectRatio content
  77             const SvgAspectRatio& getSvgAspectRatio() const { return maSvgAspectRatio; }
  78
  79             /// x content
  80             const SvgNumber& getX() const { return maX; }
  81
  82             /// y content
  83             const SvgNumber& getY() const { return maY; }
  84
  85             /// width content
  86             const SvgNumber& getWidth() const { return maWidth; }
  87
  88             /// height content
  89             const SvgNumber& getHeight() const { return maHeight; }
  90         };
  91
  92 } // end of namespace svgio::svgreader
  93
  94 #endif // INCLUDED_SVGIO_INC_SVGSVGNODE_HXX
  95
  96 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */