ColorGlove.Filter.ShowOverlay C# (CSharp) Method

        public static void ShowOverlay(ProcessorState state)
        {
            if (state.overlay_start_.Value)
            {
                for (int x = state.crop.Value.X; x <= state.crop.Value.Width + state.crop.Value.X; x++)
                {
                    for (int y = state.crop.Value.Y; y <= state.crop.Value.Height + state.crop.Value.Y; y++)
                    {
                        int idx = Util.toID(x, y, width, height, kColorStride);
                        if (state.overlay_bitmap_bits_[idx] != state.kNoOverlay) state.bitmap_bits[idx] = (byte)state.overlay_bitmap_bits_[idx];
                        if (state.overlay_bitmap_bits_[idx + 1] != state.kNoOverlay) state.bitmap_bits[idx + 1] = (byte)state.overlay_bitmap_bits_[idx + 1];
                        if (state.overlay_bitmap_bits_[idx + 2] != state.kNoOverlay) state.bitmap_bits[idx + 2] = (byte)state.overlay_bitmap_bits_[idx + 2];
                        if (state.overlay_bitmap_bits_[idx + 3] != state.kNoOverlay) state.bitmap_bits[idx + 3] = (byte)state.overlay_bitmap_bits_[idx + 3];
                    }
                }
            }
        }