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 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 static unsafe FramePixelData FromFile(string filename)
{
var result = ImageResult.FromMemory(File.ReadAllBytes(filename), StbImageSharp.ColorComponents.RedGreenBlueAlpha);
var frame = new FramePixelData(result.Width, result.Height);
fixed(byte *b = &result.Data[0])
{
for (var i = 0; i < result.Data.Length; i += 4)
{
frame.Data[i / 4] = new Color(b[i + 0], b[i + 1], b[i + 2], b[i + 3]);
}
}
return(frame);
}
