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LibGfx: Enable Painter::blit to apply opacity and mix alpha channels

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This enables us to properly render windows that use both opacity and
alpha channels.
This commit is contained in:
Tom 2021-02-13 11:10:27 -07:00 • committed by Andreas Kling
parent 9ce0639383
commit ddbd88d5c6
2 changed files with 26 additions and 65 deletions
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3
Userland/Libraries/LibGfx/Painter.h
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@ -137,8 +137,7 @@ protected:
void set_physical_pixel_with_draw_op(u32& pixel, const Color&);
void fill_physical_scanline_with_draw_op(int y, int x, int width, const Color& color);
void fill_rect_with_draw_op(const IntRect&, Color);
void blit_with_alpha(const IntPoint&, const Gfx::Bitmap&, const IntRect& src_rect);
void blit_with_opacity(const IntPoint&, const Gfx::Bitmap&, const IntRect& src_rect, float opacity);
void blit_with_opacity(const IntPoint&, const Gfx::Bitmap&, const IntRect& src_rect, float opacity, bool apply_alpha = true);
void draw_physical_pixel(const IntPoint&, Color, int thickness = 1);
IntRect clip_rect() const { return state().clip_rect; }