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WindowServer: Don't crash on wallpapers smaller than the desktop with fill mode 'simple'

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blit() calls draw_scaled_bitmap() behind the scenes in scaled contexts,
and that doesn't  like src_rect to be outside of the source bitmap's
bounds. Implicitly clip with the source rect, like the non-scaled
codepath already does.

Fixes #5017 even more.
This commit is contained in:
Nico Weber 2021-01-22 18:56:01 -05:00 • committed by Andreas Kling
parent dcc967d1ad
commit 345909c009
3 changed files with 8 additions and 6 deletions
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2
Userland/Demos/LibGfxScaleDemo/main.cpp
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@ -104,6 +104,8 @@ void Canvas::draw(Gfx::Painter& painter)
painter.draw_scaled_bitmap({ 202, 39, 80, 40 }, *buggie, Gfx::IntRect { 2, 30, 62, 20 });
painter.draw_tiled_bitmap({ 25, 60, WIDTH - 50, 40 }, *buggie);
painter.blit({ 25, 101 }, *buggie, { 2, 30, 3 * buggie->width(), 20 });
}
int main(int argc, char** argv)