oox/inc/drawingml/chart/chartdrawingfragment.hxx

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  19
  20 #ifndef INCLUDED_OOX_DRAWINGML_CHART_CHARTDRAWINGFRAGMENT_HXX
  21 #define INCLUDED_OOX_DRAWINGML_CHART_CHARTDRAWINGFRAGMENT_HXX
  22
  23 #include <oox/core/fragmenthandler2.hxx>
  24 #include <oox/drawingml/shape.hxx>
  25
  26 namespace oox::drawingml::chart {
  27
  28
  29 /** Relative shape position in a chart object. */
  30 struct AnchorPosModel
  31 {
  32     double              mfX;                /// X coordinate relative to chart object (0.0 to 1.0).
  33     double              mfY;                /// Y coordinate relative to chart object (0.0 to 1.0).
  34
  35                  AnchorPosModel() : mfX( -1.0 ), mfY( -1.0 ) {}
  36     bool         isValid() const { return (0.0 <= mfX) && (mfX <= 1.0) && (0.0 <= mfY) && (mfY <= 1.0); }
  37 };
  38
  39
  40 /** Absolute shape size in a chart object (in EMUs). */
  41 struct AnchorSizeModel : public EmuSize
  42 {
  43                  AnchorSizeModel() : EmuSize( -1, -1 ) {}
  44     bool         isValid() const { return (Width >= 0) && (Height >= 0); }
  45 };
  46
  47
  48 /** Contains the position of a shape in the chart object. Supports different
  49     shape anchor modes (absolute, relative).
  50  */
  51 class ShapeAnchor
  52 {
  53 public:
  54     explicit            ShapeAnchor( bool bRelSize );
  55
  56     /** Imports the absolute anchor size from the cdr:ext element. */
  57     void                importExt( const AttributeList& rAttribs );
  58     /** Sets the relative anchor position from the cdr:from or cdr:to element. */
  59     void                setPos( sal_Int32 nElement, sal_Int32 nParentContext, std::u16string_view rValue );
  60
  61     /** Calculates the resulting shape anchor in EMUs. */
  62     EmuRectangle        calcAnchorRectEmu( const EmuRectangle& rChartRect ) const;
  63
  64 private:
  65     AnchorPosModel      maFrom;             /// Top-left position relative to chart object.
  66     AnchorPosModel      maTo;               /// Bottom-right position relative to chart object.
  67     AnchorSizeModel     maSize;             /// Shape size, if anchor has absolute size.
  68     bool                mbRelSize;          /// True = relative size, false = absolute size.
  69 };
  70
  71 /** Handler for a chart drawing fragment (c:userShapes root element).
  72  */
  73 class ChartDrawingFragment final : public ::oox::core::FragmentHandler2
  74 {
  75 public:
  76     explicit            ChartDrawingFragment(
  77                             ::oox::core::XmlFilterBase& rFilter,
  78                             const OUString& rFragmentPath,
  79                             const css::uno::Reference< css::drawing::XShapes >& rxDrawPage,
  80                             const css::awt::Size& rChartSize,
  81                             const css::awt::Point& rShapesOffset,
  82                             bool bOleSupport );
  83     virtual             ~ChartDrawingFragment() override;
  84
  85     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs ) override;
  86     virtual void        onCharacters( const OUString& rChars ) override;
  87     virtual void        onEndElement() override;
  88
  89 private:
  90     css::uno::Reference< css::drawing::XShapes >
  91                         mxDrawPage;             /// Drawing page of this sheet.
  92     ::oox::drawingml::ShapePtr mxShape;         /// Current top-level shape.
  93     std::shared_ptr< ShapeAnchor > mxAnchor;    /// Current anchor of top-level shape.
  94     EmuRectangle        maChartRectEmu;         /// Position and size of the chart object for embedded shapes (in EMUs).
  95     bool                mbOleSupport;           /// True = allow to insert OLE objects into the drawing page.
  96 };
  97
  98
  99 } // namespace oox::drawingml::chart
 100
 101 #endif
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */