public static byte[] MakePixdata(PIXHeader header, Bitmap bmp)
{
MemoryStream m = new MemoryStream();
for (int y = 0; y < header.Height; y++)
{
for (int x = 0; x < header.Width; x++)
{
switch (header.PixelFormat)
{
case 5:
Color c = bmp.GetPixel(x, y);
ushort value = (ushort)(c.R >> 3);
value <<= 6;
value |= (ushort)(c.G >> 2);
value <<= 5;
value |= (ushort)(c.B >> 3);
m.WriteByte((byte)(value >> 8));
m.WriteByte((byte)value);
break;
}
}
}
return(m.ToArray());
}
public static Bitmap MakeBitmap(PIXHeader header, PIXData image)
{
if (header == null || image == null)
{
return(null);
}
Bitmap result = new Bitmap(header.Width, header.Height);
Graphics gr = Graphics.FromImage(result);
gr.Clear(Color.White);
MemoryStream m = new MemoryStream(image.ImageData);
for (int y = 0; y < header.Height; y++)
{
for (int x = 0; x < header.Width; x++)
{
switch (header.PixelFormat)
{
case 5:
m.Seek((x + y * header.Width) * image.BytesPerPixel, 0);
ushort value = Helper.ReadU16LE(m);
byte b = (byte)(value & 0x1F);
value >>= 5;
byte g = (byte)(value & 0x3F);
value >>= 6;
byte r = (byte)(value & 0x1F);
r <<= 3;
g <<= 2;
b <<= 3;
result.SetPixel(x, y, Color.FromArgb(255, r, g, b));
break;
}
}
}
return(result);
}
