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LibGfx: Pass scaling mode as an enum in do_draw_scaled_bitmap

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Karol Kosek 2022-06-05 18:00:33 +02:00 • committed by Sam Atkins
parent 3f230a638d
commit c409881b5f
1 changed files with 5 additions and 5 deletions
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10
Userland/Libraries/LibGfx/Painter.cpp
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@ -1092,7 +1092,7 @@ 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, Painter::ScalingMode scaling_mode, 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 int_src_rect = enclosing_int_rect(src_rect); auto int_src_rect = enclosing_int_rect(src_rect);
@ -1100,7 +1100,7 @@ ALWAYS_INLINE static void do_draw_scaled_bitmap(Gfx::Bitmap& target, IntRect con
if (clipped_src_rect.is_empty()) if (clipped_src_rect.is_empty())
return; return;
if constexpr (!do_bilinear_blend) { if constexpr (scaling_mode == Painter::ScalingMode::NearestNeighbor) {
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();
@ -1137,7 +1137,7 @@ ALWAYS_INLINE static void do_draw_scaled_bitmap(Gfx::Bitmap& target, IntRect con
continue; continue;
Color src_pixel; Color src_pixel;
if constexpr (do_bilinear_blend) { if constexpr (scaling_mode == Painter::ScalingMode::BilinearBlend) {
auto scaled_x0 = clamp((desired_x - half_pixel) >> 32, clipped_src_rect.left(), clipped_src_rect.right()); auto scaled_x0 = clamp((desired_x - half_pixel) >> 32, clipped_src_rect.left(), clipped_src_rect.right());
auto scaled_x1 = clamp((desired_x + half_pixel) >> 32, clipped_src_rect.left(), clipped_src_rect.right()); auto scaled_x1 = clamp((desired_x + half_pixel) >> 32, clipped_src_rect.left(), clipped_src_rect.right());
auto scaled_y0 = clamp((desired_y - half_pixel) >> 32, clipped_src_rect.top(), clipped_src_rect.bottom()); auto scaled_y0 = clamp((desired_y - half_pixel) >> 32, clipped_src_rect.top(), clipped_src_rect.bottom());
@ -1177,10 +1177,10 @@ ALWAYS_INLINE static void do_draw_scaled_bitmap(Gfx::Bitmap& target, IntRect con
{ {
switch (scaling_mode) { switch (scaling_mode) {
case Painter::ScalingMode::NearestNeighbor: case Painter::ScalingMode::NearestNeighbor:
do_draw_scaled_bitmap<has_alpha_channel, false>(target, dst_rect, clipped_rect, source, src_rect, get_pixel, opacity); do_draw_scaled_bitmap<has_alpha_channel, Painter::ScalingMode::NearestNeighbor>(target, dst_rect, clipped_rect, source, src_rect, get_pixel, opacity);
break; break;
case Painter::ScalingMode::BilinearBlend: case Painter::ScalingMode::BilinearBlend:
do_draw_scaled_bitmap<has_alpha_channel, true>(target, dst_rect, clipped_rect, source, src_rect, get_pixel, opacity); do_draw_scaled_bitmap<has_alpha_channel, Painter::ScalingMode::BilinearBlend>(target, dst_rect, clipped_rect, source, src_rect, get_pixel, opacity);
break; break;
} }
} }