RasterImageSaveArgb32Pixels Method |
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; // The black square int[] pixels = new int[(rasterImage.Width / 2) * (rasterImage.Height / 2)]; for (int i = 0; i < pixels.Length; i++) { pixels[i] = Color.Black.ToArgb(); } // Draw the black square at the center of the image. Aspose.Imaging.Rectangle area = new Aspose.Imaging.Rectangle(rasterImage.Width / 4, rasterImage.Height / 4, rasterImage.Width / 2, rasterImage.Height / 2); rasterImage.SaveArgb32Pixels(area, pixels); rasterImage.Save(dir + "sample.SaveArgb32Pixels.png"); }