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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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22
storm/Region.cpp
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@ -568,3 +568,25 @@ int32_t SRgnIsRectInRegionf(HSRGN handle, const RECTF* rect) {
s_rgntable.Unlock(lockedHandle);
return result;
}
void SRgnOffsetf(HSRGN handle, float xoffset, float yoffset) {
STORM_VALIDATE_BEGIN;
STORM_VALIDATE(handle);
STORM_VALIDATE_END_VOID;
HLOCKEDRGN lockedHandle;
auto rgn = s_rgntable.Lock(handle, &lockedHandle, 0);
if (!rgn) return;
SOURCE* sourceArray = rgn->source.Ptr();
uint32_t sourceRects = rgn->source.Count();
for (uint32_t i = 0; i < sourceRects; i++) {
sourceArray[i].rect.left += xoffset;
sourceArray[i].rect.bottom += yoffset;
sourceArray[i].rect.right += xoffset;
sourceArray[i].rect.top += yoffset;
}
InvalidateRegion(rgn);
s_rgntable.Unlock(lockedHandle);
}

1
storm/Region.hpp
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@ -24,5 +24,6 @@ int32_t SRgnIsPointInRegionf(HSRGN handle, float x, float y);
int32_t SRgnIsRectInRegionf(HSRGN handle, const RECTF* rect);
void SRgnOffsetf(HSRGN handle, float xoffset, float yoffset);
#endif