public static byte[] Encode(byte[] imgData, Size size)
{
IntPtr p;
IntPtr ps;
var error = LibLodePng.Encode32(out p, out ps, imgData, size.Width, size.Height);
if (error != 0)
{
throw new ContentException("Failed to save png");
}
var buf = new byte[(long)ps];
Marshal.Copy(p, buf, 0, buf.Length);
LibLodePng.Free(p);
return(buf);
}
public static byte[] Decode(byte[] pngData, out Size size, out PixelFormat pxFormat)
{
IntPtr p;
int w, h;
var error = LibLodePng.Decode32(out p, out w, out h, pngData, (IntPtr)pngData.Length);
if (error != 0)
{
throw new ContentException("Failed to load png");
//throw new ContentException ("Error decoding PNG: " + LibLodePng.ErrorText (error));
}
var buf = new byte[w * h * 4];
Marshal.Copy(p, buf, 0, buf.Length);
LibLodePng.Free(p);
size = new Size(w, h);
pxFormat = PixelFormat.Rgba;
return(buf);
}