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LibGfx: Calculate source rect once in do_draw_scaled_bitmap

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Jelle Raaijmakers 2022-03-23 09:05:37 +01:00 • committed by Andreas Kling
parent f790a69431
commit bec474d99b
1 changed files with 2 additions and 2 deletions
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4
Userland/Libraries/LibGfx/Painter.cpp
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@ -1097,12 +1097,12 @@ ALWAYS_INLINE static void do_draw_integer_scaled_bitmap(Gfx::Bitmap& target, Int
template<bool has_alpha_channel, bool do_bilinear_blend, typename GetPixel> template<bool has_alpha_channel, bool do_bilinear_blend, typename GetPixel>
ALWAYS_INLINE static void do_draw_scaled_bitmap(Gfx::Bitmap& target, IntRect const& dst_rect, IntRect const& clipped_rect, Gfx::Bitmap const& source, FloatRect const& src_rect, GetPixel get_pixel, float opacity) ALWAYS_INLINE static void do_draw_scaled_bitmap(Gfx::Bitmap& target, IntRect const& dst_rect, IntRect const& clipped_rect, Gfx::Bitmap const& source, FloatRect const& src_rect, GetPixel get_pixel, float opacity)
{ {
auto clipped_src_rect = enclosing_int_rect(src_rect).intersected(source.rect()); auto int_src_rect = enclosing_int_rect(src_rect);
auto clipped_src_rect = int_src_rect.intersected(source.rect());
if (clipped_src_rect.is_empty()) if (clipped_src_rect.is_empty())
return; return;
if constexpr (!do_bilinear_blend) { if constexpr (!do_bilinear_blend) {
IntRect int_src_rect = enclosing_int_rect(src_rect);
if (dst_rect == clipped_rect && int_src_rect == src_rect && !(dst_rect.width() % int_src_rect.width()) && !(dst_rect.height() % int_src_rect.height())) { if (dst_rect == clipped_rect && int_src_rect == src_rect && !(dst_rect.width() % int_src_rect.width()) && !(dst_rect.height() % int_src_rect.height())) {
int hfactor = dst_rect.width() / int_src_rect.width(); int hfactor = dst_rect.width() / int_src_rect.width();
int vfactor = dst_rect.height() / int_src_rect.height(); int vfactor = dst_rect.height() / int_src_rect.height();