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LibGUI: Improve IconView rubberband performance

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Rather than invalidating the entire window, which is very expensive on
the transparent desktop widget, just invalidate the areas that actually
need updating.
This commit is contained in:
Tom 2021-02-15 19:30:47 -07:00 • committed by Andreas Kling
parent cd0a1fa5b0
commit 6cdb657493
5 changed files with 30 additions and 6 deletions
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3
Userland/Libraries/LibGfx/Painter.h
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@ -129,6 +129,8 @@ public:
m_state_stack.take_last();
}
IntRect clip_rect() const { return state().clip_rect; }
protected:
IntPoint translation() const { return state().translation; }
IntRect to_physical(const IntRect& r) const { return r.translated(translation()) * scale(); }
@ -139,7 +141,6 @@ protected:
void fill_rect_with_draw_op(const IntRect&, Color);
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; }
struct State {
const Font* font;