include/oox/drawingml/chart/chartdrawingfragment.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  14  *   ownership. The ASF licenses this file to you under the Apache
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
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  19
  20 #ifndef OOX_DRAWINGML_CHART_CHARTDRAWINGFRAGMENT_HXX
  21 #define 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
  32 /** Relative shape position in a chart object. */
  33 struct AnchorPosModel
  34 {
  35     double              mfX;                /// X coordinate relative to chart object (0.0 to 1.0).
  36     double              mfY;                /// Y coordinate relative to chart object (0.0 to 1.0).
  37
  38     inline explicit     AnchorPosModel() : mfX( -1.0 ), mfY( -1.0 ) {}
  39     inline bool         isValid() const { return (0.0 <= mfX) && (mfX <= 1.0) && (0.0 <= mfY) && (mfY <= 1.0); }
  40 };
  41
  42 // ----------------------------------------------------------------------------
  43
  44 /** Absolute shape size in a chart object (in EMUs). */
  45 struct AnchorSizeModel : public EmuSize
  46 {
  47     inline explicit     AnchorSizeModel() : EmuSize( -1, -1 ) {}
  48     inline bool         isValid() const { return (Width >= 0) && (Height >= 0); }
  49 };
  50
  51 // ============================================================================
  52
  53 /** Contains the position of a shape in the chart object. Supports different
  54     shape anchor modes (absolute, relative).
  55  */
  56 class ShapeAnchor
  57 {
  58 public:
  59     explicit            ShapeAnchor( bool bRelSize );
  60
  61     /** Imports the absolute anchor size from the cdr:ext element. */
  62     void                importExt( const AttributeList& rAttribs );
  63     /** Sets an the relative anchor position from the cdr:from or cdr:to element. */
  64     void                setPos( sal_Int32 nElement, sal_Int32 nParentContext, const OUString& rValue );
  65
  66     /** Calculates the resulting shape anchor in EMUs. */
  67     EmuRectangle        calcAnchorRectEmu( const EmuRectangle& rChartRect ) const;
  68
  69 private:
  70     AnchorPosModel      maFrom;             /// Top-left position relative to chart object.
  71     AnchorPosModel      maTo;               /// Bottom-right position relative to chart object.
  72     AnchorSizeModel     maSize;             /// Shape size, if anchor has absolute size.
  73     bool                mbRelSize;          /// True = relative size, false = absolute size.
  74 };
  75
  76 typedef ::boost::shared_ptr< ShapeAnchor > ShapeAnchorRef;
  77
  78 // ============================================================================
  79
  80 /** Handler for a chart drawing fragment (c:userShapes root element).
  81  */
  82 class ChartDrawingFragment : public ::oox::core::FragmentHandler2
  83 {
  84 public:
  85     explicit            ChartDrawingFragment(
  86                             ::oox::core::XmlFilterBase& rFilter,
  87                             const OUString& rFragmentPath,
  88                             const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >& rxDrawPage,
  89                             const ::com::sun::star::awt::Size& rChartSize,
  90                             const ::com::sun::star::awt::Point& rShapesOffset,
  91                             bool bOleSupport );
  92     virtual             ~ChartDrawingFragment();
  93
  94     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs );
  95     virtual void        onCharacters( const OUString& rChars );
  96     virtual void        onEndElement();
  97
  98 private:
  99     ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >
 100                         mxDrawPage;             /// Drawing page of this sheet.
 101     ::oox::drawingml::ShapePtr mxShape;         /// Current top-level shape.
 102     ShapeAnchorRef      mxAnchor;               /// Current anchor of top-level shape.
 103     EmuRectangle        maChartRectEmu;         /// Position and size of the chart object for embedded shapes (in EMUs).
 104     bool                mbOleSupport;           /// True = allow to insert OLE objects into the drawing page.
 105 };
 106
 107 // ============================================================================
 108
 109 } // namespace chart
 110 } // namespace drawingml
 111 } // namespace oox
 112
 113 #endif
 114
 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */