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lottie: a small optimization.

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reserve mask size as possible in advance, reduce data copies.
This commit is contained in:
Hermet Park
2019-03-27 15:35:37 +09:00
parent 5e2192c0f3
commit bb64c5e7c8
1 changed files with 13 additions and 12 deletions
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25
src/lottie/lottieitem.cpp
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@@ -225,35 +225,36 @@ void LOTLayerItem::buildLayerNode()
}
if (mLayerMask) {
mMasksCNode.clear();
mMasksCNode.resize(mLayerMask->mMasks.size());
size_t i = 0;
for (const auto &mask : mLayerMask->mMasks) {
LOTMask cNode;
LOTMask *cNode = &mMasksCNode[i++];
const std::vector<VPath::Element> &elm = mask.mFinalPath.elements();
const std::vector<VPointF> & pts = mask.mFinalPath.points();
const float *ptPtr = reinterpret_cast<const float *>(pts.data());
const char * elmPtr = reinterpret_cast<const char *>(elm.data());
cNode.mPath.ptPtr = ptPtr;
cNode.mPath.ptCount = pts.size();
cNode.mPath.elmPtr = elmPtr;
cNode.mPath.elmCount = elm.size();
cNode.mAlpha = mask.mCombinedAlpha * 255;
cNode->mPath.ptPtr = ptPtr;
cNode->mPath.ptCount = pts.size();
cNode->mPath.elmPtr = elmPtr;
cNode->mPath.elmCount = elm.size();
cNode->mAlpha = mask.mCombinedAlpha * 255;
switch (mask.maskMode()) {
case LOTMaskData::Mode::Add:
cNode.mMode = MaskAdd;
cNode->mMode = MaskAdd;
break;
case LOTMaskData::Mode::Substarct:
cNode.mMode = MaskSubstract;
cNode->mMode = MaskSubstract;
break;
case LOTMaskData::Mode::Intersect:
cNode.mMode = MaskIntersect;
cNode->mMode = MaskIntersect;
break;
case LOTMaskData::Mode::Difference:
cNode.mMode = MaskDifference;
cNode->mMode = MaskDifference;
break;
default:
cNode.mMode = MaskAdd;
cNode->mMode = MaskAdd;
break;
}
mMasksCNode.push_back(std::move(cNode));
}
mLayerCNode->mMaskList.ptr = mMasksCNode.data();
mLayerCNode->mMaskList.size = mMasksCNode.size();