When the RasterPaintEngine.GdiPlus engine is used, the RasterImagePainter.Paint method internally will call GDI+ Graphics.DrawImage methods to paint the image. Note that if the Leadtools.RasterImage object is not fully compatible with GDI+, the framework will internally make a copy of parts of the image data (bands) and paint them to the destination device. The original data is not converted and no changes will be made to the original image.
RasterPaintEngine.GdiPlus2 engine is deprecated as of LEADTOOLS v16.5. The functionality of this paint engine is merged with RasterPaintEngine.GdiPlus and you should convert your code to use RasterPaintEngine.GdiPlus whenever RasterPaintEngine.GdiPlus2 was used.
Using a particular paint engine depends on the Leadtools.RasterImage object and your specific needs:
When the RasterPaintEngine.GdiPlus engine is used, the following properties are ignored when painting images:
|RasterPaintProperties.RasterOperation||Raster operations (ROP) are not supported in GDI+|
|RasterPaintProperties.UsePaintPalette||Palette is automatically used.|
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