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32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
/** \ingroup core
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* The drawing pipe for raster layers.
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*/
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class QgsRasterDrawer
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{
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%TypeHeaderCode
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#include <qgsrasterdrawer.h>
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%End
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public:
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QgsRasterDrawer( QgsRasterIterator *iterator );
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/** Draws raster data.
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* @param p destination QPainter
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* @param viewPort viewport to render
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* @param theQgsMapToPixel map to pixel converter
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* @param feedback optional raster feedback object for cancellation/preview. Added in QGIS 3.0.
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*/
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void draw( QPainter* p, QgsRasterViewPort* viewPort, const QgsMapToPixel* theQgsMapToPixel, QgsRasterBlockFeedback* feedback = nullptr );
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protected:
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/** Draws raster part
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* @param p the painter to draw to
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* @param viewPort view port to draw to
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* @param img image to draw
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* @param topLeftCol Left position relative to left border of viewport
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* @param topLeftRow Top position relative to top border of viewport
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* @param mapToPixel map to device coordinate transformation info
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* @note not available in python bindings
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*/
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//void drawImage( QPainter* p, QgsRasterViewPort* viewPort, const QImage& img, int topLeftCol, int topLeftRow ) const;
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};
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