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region: avoid tons of allocations for scale()

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pixman_region32_rectangles returns the actual rects, so we shouldnt waste cycles when scaling em
This commit is contained in:
Vaxry 2025-09-26 22:24:59 +01:00
parent b2ae320484
commit 61e295340d
Signed by: vaxry
GPG key ID: 665806380871D640
1 changed files with 7 additions and 9 deletions
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16
src/math/Region.cpp
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@ -145,16 +145,14 @@ CRegion& Hyprutils::Math::CRegion::scale(const Vector2D& scale) {
if (scale == Vector2D{1, 1})
return *this;
auto rects = getRects();
int rectsNum = 0;
auto RECTSARR = pixman_region32_rectangles(&m_rRegion, &rectsNum);
clear();
for (auto& r : rects) {
r.x1 = std::floor(r.x1 * scale.x);
r.y1 = std::floor(r.y1 * scale.y);
r.x2 = std::ceil(r.x2 * scale.x);
r.y2 = std::ceil(r.y2 * scale.y);
add(&r);
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);
}
return *this;