diff options
Diffstat (limited to 'drawinglayer/inc/drawinglayer/primitive2d/metafileprimitive2d.hxx')
| -rw-r--r-- | drawinglayer/inc/drawinglayer/primitive2d/metafileprimitive2d.hxx | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/drawinglayer/inc/drawinglayer/primitive2d/metafileprimitive2d.hxx b/drawinglayer/inc/drawinglayer/primitive2d/metafileprimitive2d.hxx index 23eb5dd1b36e..0cbd7e4628cb 100644 --- a/drawinglayer/inc/drawinglayer/primitive2d/metafileprimitive2d.hxx +++ b/drawinglayer/inc/drawinglayer/primitive2d/metafileprimitive2d.hxx @@ -47,28 +47,55 @@ namespace drawinglayer { namespace primitive2d { - class MetafilePrimitive2D : public BasePrimitive2D + /** MediaPrimitive2D class + + This is the MetaFile representing primitive. It's geometry is defined + by MetaFileTransform. The content (defined by MetaFile) will be scaled + to the geometric definiton by using PrefMapMode and PrefSize of the + Metafile. + + It has shown that this not always guarantees that all Metafile content + is inside the geometric definition, but this primitive defines that this + is the case to allow a getB2DRange implementation. If it cannot be + guaranteed that the Metafile is inside the geometric definition, it should + be embedded to a MaskPrimitive2D. + + This primitive has no decomposition yet, so when not supported by a renderer, + it will not be visualized. + + In the future, a decomposition implementation would be appreciated and would + have many advantages; Metafile would no longer have to be rendered by + sub-systems and a standard way for converting Metafiles would exist. + */ + class MetafilePrimitive2D : public BufferedDecompositionPrimitive2D { private: + /// the geometry definition basegfx::B2DHomMatrix maMetaFileTransform; + + /// the content definition GDIMetaFile maMetaFile; + protected: + /// local decomposition. + virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; public: + /// constructor MetafilePrimitive2D( const basegfx::B2DHomMatrix& rMetaFileTransform, const GDIMetaFile& rMetaFile); - // get data + /// data read access const basegfx::B2DHomMatrix& getTransform() const { return maMetaFileTransform; } const GDIMetaFile& getMetaFile() const { return maMetaFile; } - // compare operator + /// compare operator virtual bool operator==(const BasePrimitive2D& rPrimitive) const; - // get range + /// get range virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; - // provide unique ID + /// provide unique ID DeclPrimitrive2DIDBlock() }; } // end of namespace primitive2d |