public static Bitmap ImageToBitmap(ColorByteImage image)
{
Bitmap B = new Bitmap(image.Width, image.Height, PixelFormat.Format24bppRgb);
LockBitmapInfo lbi = LockBitmap(B);
try
{
for (int j = 0; j < image.Height; j++)
{
for (int i = 0; i < image.Width; i++)
{
ColorBytePixel p = image[i, j];
lbi.data[lbi.linewidth * j + i * 4] = p.b;
lbi.data[lbi.linewidth * j + i * 4 + 1] = p.g;
lbi.data[lbi.linewidth * j + i * 4 + 2] = p.r;
}
}
}
finally
{
UnlockBitmap(lbi);
}
return(B);
}
public static ColorByteImage CreateFromFileB4(string filename)
{
if (CheckPGM(filename))
{
return(ReadPGM(filename).ToColorByteImage());
}
Bitmap B = new Bitmap(filename);
ColorByteImage res = BitmapToColorByteImage(B);
B.Dispose();
return(res);
}
public ColorByteImage ToColorByteImage()
{
ColorByteImage res = new ColorByteImage(Width, Height);
for (int i = 0; i < res.rawdata.Length; i++)
{
byte c = rawdata[i] < 0.0f ? (byte)0 : rawdata[i] > 255.0f ? (byte)255 : (byte)rawdata[i];
res.rawdata[i] = new ColorBytePixel()
{
b = c, g = c, r = c, a = 0
};
}
return(res);
}
public static void ImageToFile(ColorByteImage image, string filename)
{
using (Bitmap B = ImageToBitmap(image))
B.Save(filename);
}
public static ColorByteImage BitmapToColorByteImage(Bitmap B)
{
int W = B.Width, H = B.Height;
ColorByteImage res = new ColorByteImage(W, H);
if (B.PixelFormat == PixelFormat.Format8bppIndexed)
{
Color[] pi = B.Palette.Entries;
byte[] pal = new byte[1024];
for (int i = 0; i < pi.Length; i++)
{
Color C = pi[i];
pal[i * 4] = C.B;
pal[i * 4 + 1] = C.G;
pal[i * 4 + 2] = C.R;
pal[i * 4 + 3] = C.A;
}
LockBitmapInfo lbi = LockBitmap(B, PixelFormat.Format8bppIndexed, 1);
try
{
for (int j = 0; j < H; j++)
{
for (int i = 0; i < W; i++)
{
int c = lbi.data[lbi.linewidth * j + i];
byte b = pal[c * 4];
byte g = pal[c * 4 + 1];
byte r = pal[c * 4 + 2];
res[i, j] = new ColorBytePixel()
{
b = b, g = g, r = r, a = 255
};
}
}
}
finally
{
UnlockBitmap(lbi);
}
}
else
{
LockBitmapInfo lbi = LockBitmap(B);
try
{
for (int j = 0; j < H; j++)
{
for (int i = 0; i < W; i++)
{
byte b = lbi.data[lbi.linewidth * j + i * 4];
byte g = lbi.data[lbi.linewidth * j + i * 4 + 1];
byte r = lbi.data[lbi.linewidth * j + i * 4 + 2];
res[i, j] = new ColorBytePixel()
{
b = b, g = g, r = r, a = 255
};
}
}
}
finally
{
UnlockBitmap(lbi);
}
}
return(res);
}
