public ExtendedBitmapData(Bitmap bitmap)
{
OriginalBitmap = bitmap;
if (OriginalBitmap.PixelFormat == PixelFormat.Format1bppIndexed ||
OriginalBitmap.PixelFormat == PixelFormat.Format32bppArgb ||
OriginalBitmap.PixelFormat == PixelFormat.Format32bppPArgb ||
OriginalBitmap.PixelFormat == PixelFormat.Format32bppRgb)
{
ImageHelper.ConvertToPixelFormat(bitmap, out Bitmap result, PixelFormat.Format24bppRgb);
OriginalBitmap = result;
}
CopyBitmap = OriginalBitmap.Clone(new Rectangle(0, 0, OriginalBitmap.Width, OriginalBitmap.Height), OriginalBitmap.PixelFormat);
OriginalBitmapData = OriginalBitmap.LockBits(new Rectangle(0, 0, OriginalBitmap.Width, OriginalBitmap.Height),
ImageLockMode.ReadWrite, OriginalBitmap.PixelFormat);
BytesPerPixel = Image.GetPixelFormatSize(OriginalBitmapData.PixelFormat) / 8;
HeightInPixels = OriginalBitmapData.Height;
WidthInBytes = OriginalBitmapData.Width * BytesPerPixel;
FirstPixelPtr = (byte *)OriginalBitmapData.Scan0;
CopyBitmapData = CopyBitmap.LockBits(new Rectangle(0, 0, OriginalBitmap.Width, OriginalBitmap.Height),
ImageLockMode.ReadWrite, OriginalBitmap.PixelFormat);
FirstPixelPtrCopy = (byte *)CopyBitmapData.Scan0;
}
public void Dispose()
{
OriginalBitmap.UnlockBits(OriginalBitmapData);
CopyBitmap.UnlockBits(CopyBitmapData);
}
