/// <summary>
/// Draws bitmap.
/// </summary>
/// <param name="data">
/// Image pixel data.
/// </param>
/// <param name="width">
/// Output image width.
/// </param>
/// <param name="height">
/// Output image height.
/// </param>
/// <param name="options">
/// More rendering options.
/// </param>
/// <returns>
/// Drawn bitmap.
/// </returns>
public static Bitmap DrawBitmap(byte[] data, int width, int height, RenderOptions options)
{
ImagePalette palette = options.Palette;
Bitmap bmp = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
ColorPalette pal = bmp.Palette;
palette.CopyTo(pal.Entries, 0);
if (options.TransparentIndex >= 0)
{
pal.Entries[options.TransparentIndex] = Color.Transparent;
}
bmp.Palette = pal;
BitmapData bmpdata = bmp.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
if (data.Length == 0)
{
}
else if (width % 4 == 0)
{
Marshal.Copy(data, 0, bmpdata.Scan0, Math.Min(bmpdata.Stride * bmpdata.Height, data.Length));
}
else
{
for (int y = 0; y < height; y++)
{
if (width * y < data.Length)
{
Marshal.Copy(data, width * y, bmpdata.Scan0 + bmpdata.Stride * y, Math.Min(width, data.Length - width * y));
}
else
{
break;
}
/*if(y == height-1)
* {
* Marshal.Copy(data, width*y, bmpdata.Scan0+bmpdata.Stride*y, Math.Min(width, data.Length-width*y));
* }else{
* Marshal.Copy(data, width*y, bmpdata.Scan0+bmpdata.Stride*y, width);
* }*/
}
}
bmp.UnlockBits(bmpdata);
return(bmp);
}
