/// <inheritdoc/>
public override byte[] GetBytes(Bitmap bitmap, BitmapWriterFlags wFlags)
{
// default - this will cause GDI to convert the pixel format to bgra32 if we don't know the format directly
var gdiFmt = PixelFormat.Format32bppArgb;
var coreFmt = BitmapCorePixelFormat.Bgra32;
var pxarr = Formats.Where(f => f.gdiFmt == bitmap.PixelFormat).ToArray();
if (pxarr.Length > 0)
{
var px = pxarr.First();
gdiFmt = px.gdiFmt;
coreFmt = px.coreFmt;
}
var colorTable = bitmap.Palette.Entries.Select(e => new RGBQUAD {
rgbBlue = e.B, rgbGreen = e.G, rgbRed = e.R
}).ToArray();
var dlock = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, gdiFmt);
var buf = (byte *)dlock.Scan0;
BITMAP_WRITE_REQUEST req = new BITMAP_WRITE_REQUEST
{
dpiX = 0,
dpiY = 0,
imgWidth = bitmap.Width,
imgHeight = bitmap.Height,
imgStride = (uint)dlock.Stride,
imgTopDown = true,
imgColorTable = colorTable,
};
var bytes = BitmapCore.WriteToBMP(ref req, buf, coreFmt, (uint)wFlags);
bitmap.UnlockBits(dlock);
return(bytes);
}
/// <summary>
/// Write a bitmap to a byte array.
/// </summary>
public static byte[] ToBytes(TBitmap bitmap, BitmapWriterFlags wFlags)
{
var impl = new TSelf();
return(impl.GetBytes(bitmap, wFlags));
}
/// <inheritdoc/> public abstract byte[] GetBytes(TBitmap bitmap, BitmapWriterFlags wFlags);
/// <inheritdoc/>
public override byte[] GetBytes(BitmapSource bitmap, BitmapWriterFlags wFlags)
{
return(BitmapWpfInternal.GetBytes(bitmap, (uint)wFlags));
}