void Bitmap::blt(int x, int y,
const Bitmap &source, const IntRect &rect,
int opacity)
{
stretchBlt(IntRect(x, y, rect.w, rect.h),
source, rect, opacity);
}
void Bitmap::blt(int x, int y,
const Bitmap &source, IntRect rect,
int opacity)
{
if (source.isDisposed())
return;
// FIXME: RGSS allows the source rect to both lie outside
// the bitmap rect and be inverted in both directions;
// clamping only covers a subset of these cases (and
// doesn't fix anything for a direct stretch_blt call).
/* Clamp rect to source bitmap size */
if (rect.x + rect.w > source.width())
rect.w = source.width() - rect.x;
if (rect.y + rect.h > source.height())
rect.h = source.height() - rect.y;
stretchBlt(IntRect(x, y, rect.w, rect.h),
source, rect, opacity);
}
