diff options
Diffstat (limited to 'drawinglayer/inc/drawinglayer/primitive2d/markerarrayprimitive2d.hxx')
| -rw-r--r-- | drawinglayer/inc/drawinglayer/primitive2d/markerarrayprimitive2d.hxx | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/drawinglayer/inc/drawinglayer/primitive2d/markerarrayprimitive2d.hxx b/drawinglayer/inc/drawinglayer/primitive2d/markerarrayprimitive2d.hxx index 1bd3fff055..3543957aeb 100644 --- a/drawinglayer/inc/drawinglayer/primitive2d/markerarrayprimitive2d.hxx +++ b/drawinglayer/inc/drawinglayer/primitive2d/markerarrayprimitive2d.hxx @@ -41,38 +41,55 @@ #include <vcl/bitmapex.hxx> ////////////////////////////////////////////////////////////////////////////// -// MarkerPrimitive2D class +// MarkerArrayPrimitive2D class namespace drawinglayer { namespace primitive2d { - class MarkerArrayPrimitive2D : public BasePrimitive2D + /** MarkerArrayPrimitive2D class + + This primtive defines an array of markers. Their size is defined + in pixels and independent from the view transformation which makes + this primitive highly view-dependent. It is also transformation + invariant, so that the bitmap is always visualized unscaled and + unrotated. + It is used e.g. for grid position visualisation. The given Bitmap + (with alpha) is defined to be visible centered at each of the given + positions. + It decomposes to the needed number of BitmapPrimitive2D's, so it would + be efficient to handle it directly in a renderer. + */ + class MarkerArrayPrimitive2D : public BufferedDecompositionPrimitive2D { private: + /// the positions for the marker std::vector< basegfx::B2DPoint > maPositions; + + /// the marker definintion to visualize BitmapEx maMarker; protected: - // create local decomposition - virtual Primitive2DSequence createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + /// create local decomposition + virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; public: + /// constructor MarkerArrayPrimitive2D( const std::vector< basegfx::B2DPoint >& rPositions, const BitmapEx& rMarker); - // get data + /// data read access const std::vector< basegfx::B2DPoint >& getPositions() const { return maPositions; } const BitmapEx& getMarker() const { return maMarker; } - // 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 |