RasterImageDither Method (DitheringMethod, Int32) |
Namespace: Aspose.Imaging
[C#] string dir = "c:\\temp\\"; using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png")) { Aspose.Imaging.RasterImage rasterImage = (Aspose.Imaging.RasterImage)image; // Perform threshold dithering using 4-bit color palette which contains 16 colors. // The more bits specified the higher quality and the bigger size of the output image. // Note that only 1-bit, 4-bit and 8-bit palettes are supported at the moment. rasterImage.Dither(Aspose.Imaging.DitheringMethod.ThresholdDithering, 4); rasterImage.Save(dir + "sample.ThresholdDithering4.png"); } using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png")) { Aspose.Imaging.RasterImage rasterImage = (Aspose.Imaging.RasterImage)image; // Perform floyd dithering using 1-bit color palette which contains only 2 colors - black and white. // The more bits specified the higher quality and the bigger size of the output image. // Note that only 1-bit, 4-bit and 8-bit palettes are supported at the moment. rasterImage.Dither(Aspose.Imaging.DitheringMethod.FloydSteinbergDithering, 1); rasterImage.Save(dir + "sample.FloydSteinbergDithering1.png"); }