public void BlitSurface(SurfaceInstance surf, int x, int y)
{
fixed (byte* buf = _pixels)
{
DrawImage(buf, x, y, surf.GetBytes(), (int)surf._width, (int)surf._height);
}
_changed = true;
}
public void BlitMaskSurface(SurfaceInstance surf, int ox, int oy, ColorInstance mask)
{
Color mask_c = mask.GetColor(), final = new Color();
fixed (byte* buf = _pixels)
{
for (int y = 0; y < surf._height; ++y)
{
for (int x = 0; x < surf._width; ++x)
{
Color dest = surf.GetColorAt(x, y);
ColorBlend(ref dest, ref mask_c, ref final); // todo
SetPixel(buf, ox + x, oy + y, ref final);
}
}
}
_changed = true;
}