Stream GetPngStream(WriteableBitmap bmp) { // Use Joe Stegman's PNG Encoder // http://bit.ly/77mDsv EditableImage imageData = new EditableImage(bmp.PixelWidth, bmp.PixelHeight); for (int y = 0; y < bmp.PixelHeight; ++y) { for (int x = 0; x < bmp.PixelWidth; ++x) { int pixel = bmp.Pixels[bmp.PixelWidth * y + x]; imageData.SetPixel(x, y, (byte)((pixel >> 16) & 0xFF), (byte)((pixel >> 8) & 0xFF), (byte)(pixel & 0xFF), (byte)((pixel >> 24) & 0xFF) ); } } return imageData.GetStream(); }
Stream GetPngStream(WriteableBitmap bmp) { // Use Joe Stegman's PNG Encoder // http://bit.ly/77mDsv EditableImage imageData = new EditableImage(bmp.PixelWidth, bmp.PixelHeight); for (int y = 0; y < bmp.PixelHeight; ++y) { for (int x = 0; x < bmp.PixelWidth; ++x) { int pixel = bmp.Pixels[bmp.PixelWidth * y + x]; imageData.SetPixel(x, y, (byte)((pixel >> 16) & 0xFF), (byte)((pixel >> 8) & 0xFF), (byte)(pixel & 0xFF), (byte)((pixel >> 24) & 0xFF) ); } } return(imageData.GetStream()); }