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feat(region): add SRgnOffsetf

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Adam Heinermann 2025-04-21 20:23:35 -07:00 • committed by fallenoak
parent c143493110
commit 27c08f7de2
3 changed files with 86 additions and 0 deletions
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63
test/Region.cpp
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@ -373,3 +373,66 @@ TEST_CASE("SRgnIsRectInRegionf", "[region]") {
CHECK_FALSE(SRgnIsRectInRegionf(region, &checkRects[5]));
}
}
TEST_CASE("SRgnOffsetf", "[region]") {
RgnDataTest region;
SECTION("shifts rects by given amount") {
RECTF rects[] = {
{ 0.0f, 0.0f, 100.0f, 100.0f },
{ -200.0f, -200.0f, -100.0f, -100.0f }
};
SRgnCombineRectf(region, &rects[0], nullptr, SRGN_OR);
SRgnCombineRectf(region, &rects[1], nullptr, SRGN_OR);
SRgnOffsetf(region, 100.0f, 50.0f);
uint32_t numRects = 2;
RECTF buffer[2];
SRgnGetRectsf(region, &numRects, buffer);
CHECK_THAT(buffer[0], MatchesRect({ -100.0f, -150.0f, 0.0f, -50.0f }));
CHECK_THAT(buffer[1], MatchesRect({ 100.0f, 50.0f, 200.0f, 150.0f }));
}
SECTION("shifts rects back to their original positions with opposite amounts") {
RECTF rects[] = {
{ 0.0f, 0.0f, 100.0f, 100.0f },
{ -200.0f, -200.0f, -100.0f, -100.0f }
};
SRgnCombineRectf(region, &rects[0], nullptr, SRGN_OR);
SRgnCombineRectf(region, &rects[1], nullptr, SRGN_OR);
SRgnOffsetf(region, 100.0f, 50.0f);
SRgnOffsetf(region, 5.0f, 10.0f);
SRgnOffsetf(region, -105.0f, -60.0f);
uint32_t numRects = 2;
RECTF buffer[2];
SRgnGetRectsf(region, &numRects, buffer);
CHECK_THAT(buffer[0], MatchesRect(rects[1]));
CHECK_THAT(buffer[1], MatchesRect(rects[0]));
}
SECTION("doesn't shift anything with 0") {
RECTF rects[] = {
{ 0.0f, 0.0f, 100.0f, 100.0f },
{ -200.0f, -200.0f, -100.0f, -100.0f }
};
SRgnCombineRectf(region, &rects[0], nullptr, SRGN_OR);
SRgnCombineRectf(region, &rects[1], nullptr, SRGN_OR);
SRgnOffsetf(region, 0.0f, 0.0f);
uint32_t numRects = 2;
RECTF buffer[2];
SRgnGetRectsf(region, &numRects, buffer);
CHECK_THAT(buffer[0], MatchesRect(rects[1]));
CHECK_THAT(buffer[1], MatchesRect(rects[0]));
}
}