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rlottie: Fix a issue when shape animation data are not same size

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Subhransu Mohanty 2019-06-19 18:02:17 +09:00 committed by Subhransu
parent 482ac8738e
commit 7dbb3845d9
1 changed files with 5 additions and 5 deletions
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10
src/lottie/lottiemodel.h
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@ -138,12 +138,12 @@ inline T lerp(const T& start, const T& end, float t)
inline LottieShapeData lerp(const LottieShapeData& start, const LottieShapeData& end, float t) inline LottieShapeData lerp(const LottieShapeData& start, const LottieShapeData& end, float t)
{ {
if (start.mPoints.size() != end.mPoints.size()) // Usal case both start and end path has same size
return LottieShapeData(); // In case its different then truncate the larger path and do the interpolation.
LottieShapeData result; LottieShapeData result;
result.reserve(start.mPoints.size()); auto size = std::min(start.mPoints.size(), end.mPoints.size());
for (unsigned int i = 0 ; i < start.mPoints.size(); i++) { result.reserve(size);
for (unsigned int i = 0 ; i < size; i++) {
result.mPoints.push_back(start.mPoints[i] + t * (end.mPoints[i] - start.mPoints[i])); result.mPoints.push_back(start.mPoints[i] + t * (end.mPoints[i] - start.mPoints[i]));
} }
return result; return result;