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sw_engine: hotfix a out of bound image access.

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this simply revert logic from the previous change:
https://github.com/thorvg/thorvg/pull/2552

issue: https://github.com/thorvg/thorvg/issues/3327
This commit is contained in:
Hermet Park 2025-03-24 19:12:03 +09:00 • committed by Hermet Park
parent 56d5396b7a
commit be0cbc356a
1 changed files with 11 additions and 4 deletions
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15
src/renderer/sw_engine/tvgSwMath.cpp
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@ -309,10 +309,17 @@ bool mathUpdateOutlineBBox(const SwOutline* outline, const SwBBox& clipRegion, S
if (yMax < pt->y) yMax = pt->y; if (yMax < pt->y) yMax = pt->y;
} }
renderRegion.min.x = xMin >> 6; if (fastTrack) {
renderRegion.max.x = (xMax + 63) >> 6; renderRegion.min.x = static_cast<SwCoord>(round(xMin / 64.0f));
renderRegion.min.y = yMin >> 6; renderRegion.max.x = static_cast<SwCoord>(round(xMax / 64.0f));
renderRegion.max.y = (yMax + 63) >> 6; renderRegion.min.y = static_cast<SwCoord>(round(yMin / 64.0f));
renderRegion.max.y = static_cast<SwCoord>(round(yMax / 64.0f));
} else {
renderRegion.min.x = xMin >> 6;
renderRegion.max.x = (xMax + 63) >> 6;
renderRegion.min.y = yMin >> 6;
renderRegion.max.y = (yMax + 63) >> 6;
}
return mathClipBBox(clipRegion, renderRegion); return mathClipBBox(clipRegion, renderRegion);
} }