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LibGfx: Add Bitmap::solid_color()

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This function returns an Optional<Color> and is given an
alpha_threshold. If all pixels above that alpha threshold are the
same color, it returns the color, otherwise it returns an empty
optional.
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MacDue 2022-05-09 00:01:21 +01:00 • committed by Linus Groh
parent 48d3db3c3d
commit 8e441d402b
2 changed files with 19 additions and 0 deletions
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2
Userland/Libraries/LibGfx/Bitmap.h
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@ -240,6 +240,8 @@ public:
[[nodiscard]] bool visually_equals(Bitmap const&) const;
[[nodiscard]] Optional<Color> solid_color(u8 alpha_threshold = 0) const;
private:
Bitmap(BitmapFormat, IntSize const&, int, BackingStore const&);
Bitmap(BitmapFormat, IntSize const&, int, size_t pitch, void*);