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Code Issues Projects Releases Packages Wiki Activity Actions 10

LibGfx: Add a draw_scaled_bitmap() variant that takes a FloatRect as src_rect

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Consider

    draw_scaled_bitmap({0, 0, 10, 10}, source, {0, 0, 5, 5}).

Imagine wanting to split that up into two calls, like e.g. the
compositor when redrawing the background with damage rects. You really
want to be able to say

    draw_scaled_bitmap({0, 0, 5, 10}, source, {0, 0, 2.5, 5})

but up to now you couldn't. Now you can.

This makes painting very low-res images (such as tile.png) in mode
"stretch" work much better.
This commit is contained in:
Nico Weber 2021-01-22 15:13:47 -05:00 • committed by Andreas Kling
parent 7278ff6605
commit 2ec6bbd7a1
Notes: sideshowbarker 2024-07-18 22:59:40 +09:00
4 changed files with 31 additions and 20 deletions
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4
Userland/Demos/LibGfxScaleDemo/main.cpp
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@ -100,8 +100,8 @@ void Canvas::draw(Gfx::Painter& painter)
auto buggie = Gfx::Bitmap::load_from_file("/res/graphics/buggie.png");
painter.blit({ 25, 39 }, *buggie, { 2, 30, 62, 20 });
painter.draw_scaled_bitmap({ 88, 39, 62 * 2, 20 * 2 }, *buggie, { 2, 30, 62, 20 });
painter.draw_scaled_bitmap({ 202, 39, 80, 40 }, *buggie, { 2, 30, 62, 20 });
painter.draw_scaled_bitmap({ 88, 39, 62 * 2, 20 * 2 }, *buggie, Gfx::IntRect { 2, 30, 62, 20 });
painter.draw_scaled_bitmap({ 202, 39, 80, 40 }, *buggie, Gfx::IntRect { 2, 30, 62, 20 });
}
int main(int argc, char** argv)