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math/region: reinit region for scale()

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Apparently on some setups directly modifying the rectangles is a no-go, see #78.

Pixman is another piece of undocumented shit. I hope whomever wrote this stubs their toe.

Note to self: drop pixman, rewrite region. Fucking idiots.
This commit is contained in:
Vaxry 2025-10-04 21:21:54 +01:00
parent feaaf44d59
commit 9ab64319e9
Signed by: vaxry
GPG key ID: 665806380871D640
1 changed files with 11 additions and 6 deletions
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13
src/math/Region.cpp
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@ -148,13 +148,18 @@ CRegion& Hyprutils::Math::CRegion::scale(const Vector2D& scale) {
int rectsNum = 0;
auto RECTSARR = pixman_region32_rectangles(&m_rRegion, &rectsNum);
std::vector<pixman_box32_t> boxes;
boxes.resize(rectsNum);
for (int i = 0; i < rectsNum; ++i) {
RECTSARR[i].x1 = std::floor(RECTSARR[i].x1 * scale.x);
RECTSARR[i].x2 = std::ceil(RECTSARR[i].x2 * scale.x);
RECTSARR[i].y1 = std::floor(RECTSARR[i].y1 * scale.y);
RECTSARR[i].y2 = std::ceil(RECTSARR[i].y2 * scale.y);
boxes[i].x1 = std::floor(RECTSARR[i].x1 * scale.x);
boxes[i].x2 = std::ceil(RECTSARR[i].x2 * scale.x);
boxes[i].y1 = std::floor(RECTSARR[i].y1 * scale.y);
boxes[i].y2 = std::ceil(RECTSARR[i].y2 * scale.y);
}
pixman_region32_fini(&m_rRegion);
pixman_region32_init_rects(&m_rRegion, boxes.data(), boxes.size());
return *this;
}