oox/inc/drawingml/chart/chartdrawingfragment.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_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 {
  27 namespace drawingml {
  28 namespace chart {
  29
  30
  31 /** Relative shape position in a chart object. */
  32 struct AnchorPosModel
  33 {
  34     double              mfX;                /// X coordinate relative to chart object (0.0 to 1.0).
  35     double              mfY;                /// Y coordinate relative to chart object (0.0 to 1.0).
  36
  37                  AnchorPosModel() : mfX( -1.0 ), mfY( -1.0 ) {}
  38     bool         isValid() const { return (0.0 <= mfX) && (mfX <= 1.0) && (0.0 <= mfY) && (mfY <= 1.0); }
  39 };
  40
  41
  42 /** Absolute shape size in a chart object (in EMUs). */
  43 struct AnchorSizeModel : public EmuSize
  44 {
  45                  AnchorSizeModel() : EmuSize( -1, -1 ) {}
  46     bool         isValid() const { return (Width >= 0) && (Height >= 0); }
  47 };
  48
  49
  50 /** Contains the position of a shape in the chart object. Supports different
  51     shape anchor modes (absolute, relative).
  52  */
  53 class ShapeAnchor
  54 {
  55 public:
  56     explicit            ShapeAnchor( bool bRelSize );
  57
  58     /** Imports the absolute anchor size from the cdr:ext element. */
  59     void                importExt( const AttributeList& rAttribs );
  60     /** Sets the relative anchor position from the cdr:from or cdr:to element. */
  61     void                setPos( sal_Int32 nElement, sal_Int32 nParentContext, const OUString& rValue );
  62
  63     /** Calculates the resulting shape anchor in EMUs. */
  64     EmuRectangle        calcAnchorRectEmu( const EmuRectangle& rChartRect ) const;
  65
  66 private:
  67     AnchorPosModel      maFrom;             /// Top-left position relative to chart object.
  68     AnchorPosModel      maTo;               /// Bottom-right position relative to chart object.
  69     AnchorSizeModel     maSize;             /// Shape size, if anchor has absolute size.
  70     bool const          mbRelSize;          /// True = relative size, false = absolute size.
  71 };
  72
  73 /** Handler for a chart drawing fragment (c:userShapes root element).
  74  */
  75 class ChartDrawingFragment : public ::oox::core::FragmentHandler2
  76 {
  77 public:
  78     explicit            ChartDrawingFragment(
  79                             ::oox::core::XmlFilterBase& rFilter,
  80                             const OUString& rFragmentPath,
  81                             const css::uno::Reference< css::drawing::XShapes >& rxDrawPage,
  82                             const css::awt::Size& rChartSize,
  83                             const css::awt::Point& rShapesOffset,
  84                             bool bOleSupport );
  85     virtual             ~ChartDrawingFragment() override;
  86
  87     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs ) override;
  88     virtual void        onCharacters( const OUString& rChars ) override;
  89     virtual void        onEndElement() override;
  90
  91 private:
  92     css::uno::Reference< css::drawing::XShapes >
  93                         mxDrawPage;             /// Drawing page of this sheet.
  94     ::oox::drawingml::ShapePtr mxShape;         /// Current top-level shape.
  95     std::shared_ptr< ShapeAnchor > mxAnchor;    /// Current anchor of top-level shape.
  96     EmuRectangle        maChartRectEmu;         /// Position and size of the chart object for embedded shapes (in EMUs).
  97     bool const          mbOleSupport;           /// True = allow to insert OLE objects into the drawing page.
  98 };
  99
 100
 101 } // namespace chart
 102 } // namespace drawingml
 103 } // namespace oox
 104
 105 #endif
 106
 107 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */