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      28                 :            : 
      29                 :            : #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_METAFILEPRIMITIVE2D_HXX
      30                 :            : #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_METAFILEPRIMITIVE2D_HXX
      31                 :            : 
      32                 :            : #include <drawinglayer/drawinglayerdllapi.h>
      33                 :            : 
      34                 :            : #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
      35                 :            : #include <basegfx/matrix/b2dhommatrix.hxx>
      36                 :            : #include <vcl/gdimtf.hxx>
      37                 :            : 
      38                 :            : //////////////////////////////////////////////////////////////////////////////
      39                 :            : // MetafilePrimitive2D class
      40                 :            : 
      41                 :            : namespace drawinglayer
      42                 :            : {
      43                 :            :     namespace primitive2d
      44                 :            :     {
      45                 :            :         /** MetafilePrimitive2D class
      46                 :            : 
      47                 :            :             This is the MetaFile representing primitive. It's geometry is defined
      48                 :            :             by MetaFileTransform. The content (defined by MetaFile) will be scaled
      49                 :            :             to the geometric definiton by using PrefMapMode and PrefSize of the
      50                 :            :             Metafile.
      51                 :            : 
      52                 :            :             It has shown that this not always guarantees that all Metafile content
      53                 :            :             is inside the geometric definition, but this primitive defines that this
      54                 :            :             is the case to allow a getB2DRange implementation. If it cannot be
      55                 :            :             guaranteed that the Metafile is inside the geometric definition, it should
      56                 :            :             be embedded to a MaskPrimitive2D.
      57                 :            : 
      58                 :            :             This primitive has no decomposition yet, so when not supported by a renderer,
      59                 :            :             it will not be visualized.
      60                 :            : 
      61                 :            :             In the future, a decomposition implementation would be appreciated and would
      62                 :            :             have many advantages; Metafile would no longer have to be rendered by
      63                 :            :             sub-systems and a standard way for converting Metafiles would exist.
      64                 :            :          */
      65 [ +  - ][ +  - ]:        130 :         class DRAWINGLAYER_DLLPUBLIC MetafilePrimitive2D : public BufferedDecompositionPrimitive2D
                 [ -  + ]
      66                 :            :         {
      67                 :            :         private:
      68                 :            :             /// the geometry definition
      69                 :            :             basegfx::B2DHomMatrix                       maMetaFileTransform;
      70                 :            : 
      71                 :            :             /// the content definition
      72                 :            :             GDIMetaFile                                 maMetaFile;
      73                 :            : 
      74                 :            :         protected:
      75                 :            :             /// local decomposition.
      76                 :            :             virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const;
      77                 :            :         public:
      78                 :            :             /// constructor
      79                 :            :             MetafilePrimitive2D(
      80                 :            :                 const basegfx::B2DHomMatrix& rMetaFileTransform,
      81                 :            :                 const GDIMetaFile& rMetaFile);
      82                 :            : 
      83                 :            :             /// data read access
      84                 :         64 :             const basegfx::B2DHomMatrix& getTransform() const { return maMetaFileTransform; }
      85                 :        325 :             const GDIMetaFile& getMetaFile() const { return maMetaFile; }
      86                 :            : 
      87                 :            :             /// compare operator
      88                 :            :             virtual bool operator==(const BasePrimitive2D& rPrimitive) const;
      89                 :            : 
      90                 :            :             /// get range
      91                 :            :             virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const;
      92                 :            : 
      93                 :            :             /// provide unique ID
      94                 :            :             DeclPrimitrive2DIDBlock()
      95                 :            :         };
      96                 :            :     } // end of namespace primitive2d
      97                 :            : } // end of namespace drawinglayer
      98                 :            : 
      99                 :            : //////////////////////////////////////////////////////////////////////////////
     100                 :            : 
     101                 :            : #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_METAFILEPRIMITIVE2D_HXX
     102                 :            : 
     103                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */