public unsafe void Save(string filename)
{
using (var bitmap = new Bitmap(Width, Height, PixelFormat.Format32bppArgb)) {
var bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.WriteOnly,
PixelFormat.Format32bppArgb);
try {
byte *pDestRow = (byte *)bitmapData.Scan0;
int indexFrame = 0;
for (int y = 0; y < Height; ++y)
{
PixelArgb *pPixel = (PixelArgb *)pDestRow;
for (int x = 0; x < Width; ++x)
{
pPixel->R = Data [indexFrame].R;
pPixel->G = Data [indexFrame].G;
pPixel->B = Data [indexFrame].B;
pPixel->A = Data [indexFrame].A;
indexFrame++;
pPixel++;
}
pDestRow += bitmapData.Stride;
}
} finally {
bitmap.UnlockBits(bitmapData);
}
bitmap.Save(filename);
}
}
public static unsafe FramePixelData FromFile(string filename)
{
using (Bitmap bitmap = (Bitmap)Bitmap.FromFile(filename)) {
var frame = new FramePixelData(bitmap.Width, bitmap.Height);
var bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadOnly,
PixelFormat.Format32bppArgb);
try {
byte *pSourceRow = (byte *)bitmapData.Scan0;
int indexFrame = 0;
for (int y = 0; y < frame.Height; ++y)
{
PixelArgb *pPixel = (PixelArgb *)pSourceRow;
for (int x = 0; x < frame.Width; ++x)
{
frame.Data [indexFrame] = new Microsoft.Xna.Framework.Color(
pPixel->R, pPixel->G, pPixel->B, pPixel->A);
indexFrame++;
pPixel++;
}
pSourceRow += bitmapData.Stride;
}
} finally {
bitmap.UnlockBits(bitmapData);
}
return(frame);
}
}
public unsafe int Delta(PixelArgb *other)
{
return
(Math.Abs(B - other->B) +
Math.Abs(G - other->G) +
Math.Abs(R - other->R) +
Math.Abs(A - other->A));
}
