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());
}