1 #include "lottieitem.h"
9 VDrawable::VDrawable():mFlag(DirtyState::All),
11 mFillRule(FillRule::Winding)
13 mStroke.dashArraySize = 0;
14 mStroke.cap = CapStyle::Round;
15 mStroke.join= JoinStyle::Round;
16 mStroke.meterLimit = 10;
17 mStroke.enable = false;
20 void VDrawable::preprocess()
22 if (mFlag & (DirtyState::Path)) {
24 VPath newPath = mPath;
25 if (mStroke.dashArraySize) {
26 VDasher dasher(mStroke.dashArray, mStroke.dashArraySize);
27 newPath = dasher.dashed(mPath);
29 FTOutline *outline = VRaster::toFTOutline(newPath);
30 mRle = VRaster::instance().generateStrokeInfo(outline, mStroke.cap, mStroke.join,
31 mStroke.width, mStroke.meterLimit);
32 VRaster::deleteFTOutline(outline);
34 FTOutline *outline = VRaster::toFTOutline(mPath);
35 mRle = VRaster::instance().generateFillInfo(outline, mFillRule);
36 VRaster::deleteFTOutline(outline);
38 mFlag &= ~DirtyFlag(DirtyState::Path);
42 void VDrawable::setStrokeInfo(CapStyle cap, JoinStyle join, float meterLimit, float strokeWidth)
44 mStroke.enable = true;
47 mStroke.meterLimit = meterLimit;
48 mStroke.width = strokeWidth;
49 mFlag |= DirtyState::Path;
51 void VDrawable::setDashInfo(float *array, int size)
53 mStroke.dashArray = array;
54 mStroke.dashArraySize = size;
55 mFlag |= DirtyState::Path;
58 void VDrawable::sync()
60 mCNode.mFlag = ChangeFlagNone;
61 if (mFlag & DirtyState::None) return;
63 if (mFlag & DirtyState::Path) {
64 const std::vector<VPath::Element> &elm = mPath.elements();
65 const std::vector<VPointF> &pts = mPath.points();
66 const float *ptPtr = reinterpret_cast<const float *>(pts.data());
67 const char *elmPtr = reinterpret_cast<const char *>(elm.data());
68 mCNode.mPath.elmPtr = elmPtr;
69 mCNode.mPath.elmCount = elm.size();
70 mCNode.mPath.ptPtr = ptPtr;
71 mCNode.mPath.ptCount = 2 * pts.size();
72 mCNode.mFlag |= ChangeFlagPath;
76 mCNode.mStroke.width = mStroke.width;
77 mCNode.mStroke.meterLimit = mStroke.meterLimit;
78 mCNode.mStroke.enable = 1;
81 case FillRule::EvenOdd:
82 mCNode.mFillRule = LOTNode::EvenOdd;
85 mCNode.mFillRule = LOTNode::Winding;
89 switch (mStroke.cap) {
91 mCNode.mStroke.cap = LOTNode::FlatCap;
93 case CapStyle::Square:
94 mCNode.mStroke.cap = LOTNode::SquareCap;
97 mCNode.mStroke.cap = LOTNode::RoundCap;
100 mCNode.mStroke.cap = LOTNode::FlatCap;
104 switch (mStroke.join) {
105 case JoinStyle::Miter:
106 mCNode.mStroke.join = LOTNode::MiterJoin;
108 case JoinStyle::Bevel:
109 mCNode.mStroke.join = LOTNode::BevelJoin;
111 case JoinStyle::Round:
112 mCNode.mStroke.join = LOTNode::RoundJoin;
115 mCNode.mStroke.join = LOTNode::MiterJoin;
119 mCNode.mStroke.dashArray = mStroke.dashArray;
120 mCNode.mStroke.dashArraySize = mStroke.dashArraySize;
123 mCNode.mStroke.enable = 0;
126 switch (mBrush.type()) {
127 case VBrush::Type::Solid:
128 mCNode.mType = LOTNode::BrushSolid;
129 mCNode.mColor.r = mBrush.mColor.r;
130 mCNode.mColor.g = mBrush.mColor.g;
131 mCNode.mColor.b = mBrush.mColor.b;
132 mCNode.mColor.a = mBrush.mColor.a;
134 case VBrush::Type::LinearGradient:
135 mCNode.mType = LOTNode::BrushGradient;
136 mCNode.mGradient.type = LOTNode::Gradient::Linear;
137 mCNode.mGradient.start.x = mBrush.mGradient->linear.x1;
138 mCNode.mGradient.start.y = mBrush.mGradient->linear.y1;
139 mCNode.mGradient.end.x = mBrush.mGradient->linear.x2;
140 mCNode.mGradient.end.y = mBrush.mGradient->linear.y2;
142 case VBrush::Type::RadialGradient:
143 mCNode.mType = LOTNode::BrushGradient;
144 mCNode.mGradient.type = LOTNode::Gradient::Radial;
145 mCNode.mGradient.center.x = mBrush.mGradient->radial.cx;
146 mCNode.mGradient.center.y = mBrush.mGradient->radial.cy;
147 mCNode.mGradient.focal.x = mBrush.mGradient->radial.fx;
148 mCNode.mGradient.focal.y = mBrush.mGradient->radial.fy;
149 mCNode.mGradient.cradius = mBrush.mGradient->radial.cradius;
150 mCNode.mGradient.fradius = mBrush.mGradient->radial.fradius;
157 /* Lottie Layer Rules
158 * 1. time stretch is pre calculated and applied to all the properties of the lottilayer model and all its children
159 * 2. The frame property could be reversed using,time-reverse layer property in AE. which means (start frame > endFrame)
163 LOTCompItem::LOTCompItem(LOTModel *model):mRootModel(model), mUpdateViewBox(false),mCurFrameNo(-1)
165 // 1. build layer item list
166 mCompData = model->mRoot.get();
167 for(auto i : mCompData->mChildren) {
168 LOTLayerData *layerData = dynamic_cast<LOTLayerData *>(i.get());
170 LOTLayerItem *layerItem = LOTCompItem::createLayerItem(layerData);
172 mLayers.push_back(layerItem);
173 mLayerMap[layerItem->id()] = layerItem;
178 //2. update parent layer
179 for(auto i : mLayers) {
180 int id = i->parentId();
182 auto search = mLayerMap.find(id);
183 if (search != mLayerMap.end()) {
184 LOTLayerItem *parentLayer = search->second;
185 i->setParentLayer(parentLayer);
189 //3. update static property of each layer
190 for(auto i : mLayers) {
191 i->updateStaticProperty();
194 mViewSize = mCompData->size();
197 LOTCompItem::~LOTCompItem()
199 for(auto i : mLayers) {
205 LOTCompItem::createLayerItem(LOTLayerData *layerData)
207 switch(layerData->mLayerType) {
208 case LayerType::Precomp: {
209 return new LOTCompLayerItem(layerData);
212 case LayerType::Solid: {
213 return new LOTSolidLayerItem(layerData);
216 case LayerType::Shape: {
217 return new LOTShapeLayerItem(layerData);
220 case LayerType::Null: {
221 return new LOTNullLayerItem(layerData);
230 void LOTCompItem::resize(const VSize &size)
232 if (mViewSize == size) return;
234 mUpdateViewBox = true;
237 VSize LOTCompItem::size() const
242 bool LOTCompItem::update(int frameNo)
247 // check if cached frame is same as requested frame.
248 if (!mUpdateViewBox && (mCurFrameNo == frameNo)) return false;
250 sx = mViewSize.width() / float(mCompData->size().width());
251 sy = mViewSize.height() / float(mCompData->size().height());
252 float scale = fmin(sx, sy);
253 m.scale(scale, scale);
255 // update the layer from back to front
256 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
257 LOTLayerItem *layer = *i;
258 layer->update(frameNo, m, 1.0);
261 mCurFrameNo = frameNo;
262 mUpdateViewBox = false;
266 void LOTCompItem::buildRenderList()
269 std::vector<VDrawable *> list;
270 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
271 LOTLayerItem *layer = *i;
272 layer->renderList(list);
277 mRenderList.push_back(&i->mCNode);
281 const std::vector<LOTNode *>& LOTCompItem::renderList() const
286 bool LOTCompItem::render(const LOTBuffer &buffer)
288 VBitmap bitmap((uchar *)buffer.buffer, buffer.width, buffer.height,
289 buffer.bytesPerLine, VBitmap::Format::ARGB32_Premultiplied, nullptr, nullptr);
291 VPainter painter(&bitmap);
293 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
294 LOTLayerItem *layer = *i;
295 layer->render(&painter, mask);
298 // for(auto i : mRenderList) {
299 // if (i->mType == LOTNode::TypeFill) {
300 // if (i->mFlag & ChangeFlagPath) {
301 // FTOutline *outline = VRaster::toFTOutline(i->mFinalPath);
302 // i->mRleInfo = VRaster::instance().generateFillInfo(outline);
303 // VRaster::deleteFTOutline(outline);
304 // i->mFlag = ChangeFlagNone;
306 // VBrush brush(i->mColor.r, i->mColor.g, i->mColor.b, i->mColor.a);
307 // painter.setBrush(brush);
308 // if (!i->mMaskRle.isEmpty()) {
309 // VRle rle = i->mRleInfo + i->mMaskRle;
310 // painter.drawRle(VPoint(), rle);
312 // painter.drawRle(VPoint(), i->mRleInfo);
314 // } else if(i->mType == LOTNode::TypeStroke) {
315 // if (i->mFlag & ChangeFlagPath) {
316 // VPath final = i->mFinalPath;
317 // if (i->mStroke.dashArraySize) {
318 // VDasher dasher(i->mStroke.dashArray, i->mStroke.dashArraySize);
319 // final = dasher.dashed(i->mFinalPath);
321 // FTOutline *outline = VRaster::toFTOutline(final);
322 // i->mRleInfo = VRaster::instance().generateStrokeInfo(outline, CapStyle::Round, JoinStyle::Round, i->mStroke.width);
323 // VRaster::deleteFTOutline(outline);
324 // i->mFlag = ChangeFlagNone;
326 // VBrush brush(i->mColor.r, i->mColor.g, i->mColor.b, i->mColor.a);
327 // painter.setBrush(brush);
328 // painter.drawRle(VPoint(), i->mRleInfo);
329 // } else if (i->mType == LOTNode::Type::TypeGFill) {
330 // if (i->mFlag & ChangeFlagPath) {
331 // FTOutline *outline = VRaster::toFTOutline(i->mFinalPath);
332 // i->mRleInfo = VRaster::instance().generateFillInfo(outline);
333 // VRaster::deleteFTOutline(outline);
334 // i->mFlag = ChangeFlagNone;
336 // painter.setBrush(i->mBrush);
337 // painter.drawRle(VPoint(), i->mRleInfo);
344 void LOTMaskItem::update(int frameNo, const VMatrix &parentMatrix,
345 float parentAlpha, const DirtyFlag &flag)
347 if (mData->mShape.isStatic()) {
348 if (mLocalPath.isEmpty()) {
349 mLocalPath = mData->mShape.value(frameNo).toPath();
352 mLocalPath = mData->mShape.value(frameNo).toPath();
354 float opacity = mData->opacity(frameNo);
355 opacity = opacity * parentAlpha;
357 VPath path = mLocalPath;
358 path.transform(parentMatrix);
360 FTOutline *outline = VRaster::toFTOutline(path);
361 mRle = VRaster::instance().generateFillInfo(outline);
362 VRaster::deleteFTOutline(outline);
364 mRle = mRle * (opacity * 255);
371 void LOTLayerItem::render(VPainter *painter, const VRle &inheritMask)
373 std::vector<VDrawable *> list;
375 VRle mask = inheritMask;
380 mask = mask & inheritMask;
384 painter->setBrush(i->mBrush);
385 if (!mask.isEmpty()) {
386 VRle rle = i->mRle & mask;
387 painter->drawRle(VPoint(), rle);
389 painter->drawRle(VPoint(), i->mRle);
394 VRle LOTLayerItem::maskRle()
397 for (auto &i : mMasks) {
398 switch (i->maskMode()) {
399 case LOTMaskData::Mode::Add: {
403 case LOTMaskData::Mode::Substarct: {
404 if (rle.isEmpty() && !mBoundingRect.isEmpty())
405 rle = VRle::toRle(mBoundingRect);
409 case LOTMaskData::Mode::Intersect: {
420 LOTLayerItem::LOTLayerItem(LOTLayerData *layerData):mLayerData(layerData),
421 mParentLayer(nullptr),
422 mPrecompLayer(nullptr),
424 mDirtyFlag(DirtyFlagBit::All)
426 if (mLayerData->mHasMask) {
427 for (auto i : mLayerData->mMasks) {
428 mMasks.push_back(std::unique_ptr<LOTMaskItem>(new LOTMaskItem(i.get())));
433 void LOTLayerItem::updateStaticProperty()
436 mParentLayer->updateStaticProperty();
438 mStatic = mLayerData->isStatic();
439 mStatic = mParentLayer ? (mStatic & mParentLayer->isStatic()) : mStatic;
440 mStatic = mPrecompLayer ? (mStatic & mPrecompLayer->isStatic()) : mStatic;
443 void LOTLayerItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha)
446 // 1. check if the layer is part of the current frame
447 if (!visible()) return;
449 // 2. calculate the parent matrix and alpha
450 VMatrix m = matrix(frameNo) * parentMatrix;
451 float alpha = parentAlpha * opacity(frameNo);
455 for (auto &i : mMasks)
456 i->update(frameNo, m, alpha, mDirtyFlag);
459 // 3. update the dirty flag based on the change
460 if (!mCombinedMatrix.fuzzyCompare(m)) {
461 mDirtyFlag |= DirtyFlagBit::Matrix;
463 if (!vCompare(mCombinedAlpha, alpha)) {
464 mDirtyFlag |= DirtyFlagBit::Alpha;
467 mCombinedAlpha = alpha;
469 // 4. if no parent property change and layer is static then nothing to do.
470 if ((flag() & DirtyFlagBit::None) && isStatic())
473 //5. update the content of the layer
476 //6. reset the dirty flag
477 mDirtyFlag = DirtyFlagBit::None;
481 LOTLayerItem::opacity(int frameNo) const
483 return mLayerData->mTransform->opacity(frameNo);
487 LOTLayerItem::matrix(int frameNo) const
490 return mLayerData->mTransform->matrix(frameNo) * mParentLayer->matrix(frameNo);
492 return mLayerData->mTransform->matrix(frameNo);
495 bool LOTLayerItem::visible() const
497 if (frameNo() >= mLayerData->inFrame() && frameNo() < mLayerData->outFrame())
505 LOTCompLayerItem::LOTCompLayerItem(LOTLayerData *layerModel):LOTLayerItem(layerModel)
507 for(auto i : mLayerData->mChildren) {
508 LOTLayerData *layerModel = dynamic_cast<LOTLayerData *>(i.get());
510 LOTLayerItem *layerItem = LOTCompItem::createLayerItem(layerModel);
512 mLayers.push_back(layerItem);
513 mLayerMap[layerItem->id()] = layerItem;
518 //2. update parent layer
519 for(auto i : mLayers) {
520 int id = i->parentId();
522 auto search = mLayerMap.find(id);
523 if (search != mLayerMap.end()) {
524 LOTLayerItem *parentLayer = search->second;
525 i->setParentLayer(parentLayer);
528 i->setPrecompLayer(this);
532 void LOTCompLayerItem::updateStaticProperty()
534 LOTLayerItem::updateStaticProperty();
536 for(auto i : mLayers) {
537 i->updateStaticProperty();
541 void LOTCompLayerItem::render(VPainter *painter, const VRle &inheritMask)
543 VRle mask = inheritMask;
549 mask = mask & inheritMask;
552 for(auto i : mLayers) {
553 i->render(painter, mask);
557 LOTCompLayerItem::~LOTCompLayerItem()
559 for(auto i : mLayers) {
564 void LOTCompLayerItem::updateContent()
566 // update the layer from back to front
567 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
568 LOTLayerItem *layer = *i;
569 layer->update(frameNo(), combinedMatrix(), combinedAlpha());
573 void LOTCompLayerItem::renderList(std::vector<VDrawable *> &list)
575 if (!visible()) return;
577 // update the layer from back to front
578 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
579 LOTLayerItem *layer = *i;
580 layer->renderList(list);
584 LOTSolidLayerItem::LOTSolidLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
589 void LOTSolidLayerItem::updateContent()
592 mRenderNode = std::unique_ptr<VDrawable>(new VDrawable());
593 mRenderNode->mType = VDrawable::Type::Fill;
594 mRenderNode->mFlag |= VDrawable::DirtyState::All;
597 if (flag() & DirtyFlagBit::Matrix) {
599 path.addRect(VRectF(0, 0, mLayerData->solidWidth(), mLayerData->solidHeight()));
600 path.transform(combinedMatrix());
601 mRenderNode->mFlag |= VDrawable::DirtyState::Path;
602 mRenderNode->mPath = path;
604 if (flag() & DirtyFlagBit::Alpha) {
605 LottieColor color = mLayerData->solidColor();
606 VBrush brush(color.toColor(combinedAlpha()));
607 mRenderNode->setBrush(brush);
608 mRenderNode->mFlag |= VDrawable::DirtyState::Brush;
612 void LOTSolidLayerItem::renderList(std::vector<VDrawable *> &list)
614 if (!visible()) return;
616 list.push_back(mRenderNode.get());
619 LOTNullLayerItem::LOTNullLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
623 void LOTNullLayerItem::updateContent()
629 LOTShapeLayerItem::LOTShapeLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
631 mRoot = new LOTContentGroupItem(nullptr);
632 mRoot->addChildren(layerData);
633 mRoot->processPaintOperation();
636 LOTShapeLayerItem::~LOTShapeLayerItem()
641 LOTContentItem * LOTShapeLayerItem::createContentItem(LOTData *contentData)
643 switch(contentData->type()) {
644 case LOTData::Type::ShapeGroup: {
645 return new LOTContentGroupItem(static_cast<LOTShapeGroupData *>(contentData));
648 case LOTData::Type::Rect: {
649 return new LOTRectItem(static_cast<LOTRectData *>(contentData));
652 case LOTData::Type::Ellipse: {
653 return new LOTEllipseItem(static_cast<LOTEllipseData *>(contentData));
656 case LOTData::Type::Shape: {
657 return new LOTShapeItem(static_cast<LOTShapeData *>(contentData));
660 case LOTData::Type::Polystar: {
661 return new LOTPolystarItem(static_cast<LOTPolystarData *>(contentData));
664 case LOTData::Type::Fill: {
665 return new LOTFillItem(static_cast<LOTFillData *>(contentData));
668 case LOTData::Type::GFill: {
669 return new LOTGFillItem(static_cast<LOTGFillData *>(contentData));
672 case LOTData::Type::Stroke: {
673 return new LOTStrokeItem(static_cast<LOTStrokeData *>(contentData));
676 case LOTData::Type::GStroke: {
677 return new LOTGStrokeItem(static_cast<LOTGStrokeData *>(contentData));
680 case LOTData::Type::Repeater: {
681 return new LOTRepeaterItem(static_cast<LOTRepeaterData *>(contentData));
690 void LOTShapeLayerItem::updateContent()
692 mRoot->update(frameNo(), combinedMatrix(), combinedAlpha(), flag());
695 void LOTShapeLayerItem::renderList(std::vector<VDrawable *> &list)
697 if (!visible()) return;
698 mRoot->renderList(list);
701 VPath::Direction LOTContentItem::direction(bool isCW)
704 return VPath::Direction::CW;
706 return VPath::Direction::CCW;
710 LOTContentGroupItem::LOTContentGroupItem(LOTShapeGroupData *data):mData(data)
715 void LOTContentGroupItem::addChildren(LOTGroupData *data)
719 for(auto i : data->mChildren) {
720 LOTData *data = i.get();
721 LOTContentItem *content = LOTShapeLayerItem::createContentItem(data);
723 mContents.push_back(content);
727 LOTContentGroupItem::~LOTContentGroupItem()
729 for(auto i : mContents) {
735 void LOTContentGroupItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
737 VMatrix m = parentMatrix;
738 float alpha = parentAlpha;
739 DirtyFlag newFlag = flag;
742 // update the matrix and the flag
743 if ((flag & DirtyFlagBit::Matrix) || !mData->mTransform->staticMatrix() ) {
744 newFlag |= DirtyFlagBit::Matrix;
746 m = mData->mTransform->matrix(frameNo) * parentMatrix;
747 alpha *= mData->mTransform->opacity(frameNo);
749 if (!floatCmp(alpha, parentAlpha)) {
750 newFlag |= DirtyFlagBit::Alpha;
754 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
755 (*i)->update(frameNo, m, alpha, newFlag);
759 void LOTContentGroupItem::renderList(std::vector<VDrawable *> &list)
761 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
762 (*i)->renderList(list);
766 void LOTContentGroupItem::processPaintOperation()
768 std::vector<LOTPaintDataItem *> list;
769 paintOperationHelper(list);
772 void LOTContentGroupItem::paintOperationHelper(std::vector<LOTPaintDataItem *> &list)
774 int curOpCount = list.size();
775 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
777 if (auto pathNode = dynamic_cast<LOTPathDataItem *>(child)) {
778 // the node is a path data node add the paint operation list to it.
779 pathNode->addPaintOperation(list, curOpCount);
780 } else if (auto paintNode = dynamic_cast<LOTPaintDataItem *>(child)) {
781 // add it to the paint operation list
782 list.push_back(paintNode);
783 } else if (auto groupNode = dynamic_cast<LOTContentGroupItem *>(child)) {
784 // update the groups node with current list
785 groupNode->paintOperationHelper(list);
788 list.erase(list.begin() + curOpCount, list.end());
791 void LOTPathDataItem::addPaintOperation(std::vector<LOTPaintDataItem *> &list, int externalCount)
793 for(auto paintItem : list) {
794 bool sameGroup = (externalCount-- > 0) ? false : true;
795 mNodeList.push_back(std::unique_ptr<VDrawable>(new VDrawable()));
796 mRenderList.push_back(LOTRenderNode(this, paintItem, mNodeList.back().get(), sameGroup));
801 void LOTPathDataItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
803 mPathChanged = false;
804 mCombinedAlpha = parentAlpha;
806 // 1. update the local path if needed
807 if (!(mInit && mStaticPath)) {
808 mLocalPath = getPath(frameNo);
813 // 2. apply path operation if needed
816 // 3. compute the final path with parentMatrix
817 if ((flag & DirtyFlagBit::Matrix) || mPathChanged) {
818 mFinalPath = mLocalPath;
819 mFinalPath.transform(parentMatrix);
823 // 2. update the rendernode list
824 for (const auto &i : mRenderList) {
825 i.drawable->mFlag = VDrawable::DirtyState::None;
826 i.paintNodeRef->updateRenderNode(i.pathNodeRef, i.drawable, i.sameGroup);
828 i.drawable->mPath = mFinalPath;
829 i.drawable->mFlag |= VDrawable::DirtyState::Path;
834 void LOTPathDataItem::renderList(std::vector<VDrawable *> &list)
836 for (const auto &i : mRenderList) {
837 list.push_back(i.drawable);
841 VPath LOTPathDataItem::path() const
847 LOTRectItem::LOTRectItem(LOTRectData *data):LOTPathDataItem(data->isStatic()),mData(data)
851 VPath LOTRectItem::getPath(int frameNo)
853 VPointF pos = mData->mPos.value(frameNo);
854 VPointF size = mData->mSize.value(frameNo);
855 float radius = mData->mRound.value(frameNo);
856 VRectF r(pos.x() - size.x()/2, pos.y() - size.y()/2, size.x(), size.y());
859 path.addRoundRect(r, radius, radius, direction(mData->isDirectionCW()));
864 LOTEllipseItem::LOTEllipseItem(LOTEllipseData *data):LOTPathDataItem(data->isStatic()),mData(data)
869 VPath LOTEllipseItem::getPath(int frameNo)
871 VPointF pos = mData->mPos.value(frameNo);
872 VPointF size = mData->mSize.value(frameNo);
873 VRectF r(pos.x() - size.x()/2, pos.y() - size.y()/2, size.x(), size.y());
876 path.addOval(r, direction(mData->isDirectionCW()));
881 LOTShapeItem::LOTShapeItem(LOTShapeData *data):LOTPathDataItem(data->isStatic()),mData(data)
886 VPath LOTShapeItem::getPath(int frameNo)
888 LottieShapeData shapeData = mData->mShape.value(frameNo);
890 if (shapeData.mPoints.empty())
895 int size = shapeData.mPoints.size();
896 const VPointF *points = shapeData.mPoints.data();
897 path.moveTo(points[0]);
898 for (int i = 1 ; i < size; i+=3) {
899 path.cubicTo(points[i], points[i+1], points[i+2]);
901 if (shapeData.mClosed)
908 LOTPolystarItem::LOTPolystarItem(LOTPolystarData *data):LOTPathDataItem(data->isStatic()),mData(data)
913 VPath LOTPolystarItem::getPath(int frameNo)
915 VPointF pos = mData->mPos.value(frameNo);
916 float points = mData->mPointCount.value(frameNo);
917 float innerRadius = mData->mInnerRadius.value(frameNo);
918 float outerRadius = mData->mOuterRadius.value(frameNo);
919 float innerRoundness = mData->mInnerRoundness.value(frameNo);
920 float outerRoundness = mData->mOuterRoundness.value(frameNo);
921 float rotation = mData->mRotation.value(frameNo);
926 if (mData->mType == LOTPolystarData::PolyType::Star) {
927 path.addPolystarStar(0.0, 0.0, 0.0, points,
928 innerRadius, outerRadius,
929 innerRoundness, outerRoundness,
930 direction(mData->isDirectionCW()));
932 path.addPolystarPolygon(0.0, 0.0, 0.0, points,
933 outerRadius, outerRoundness,
934 direction(mData->isDirectionCW()));
937 m.translate(pos.x(), pos.y()).rotate(rotation);
947 * PaintData Node handling
951 void LOTPaintDataItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
953 mContentChanged = false;
954 mParentAlpha = parentAlpha;
955 mParentMatrix = parentMatrix;
958 // 1. update the local content if needed
959 // if (!(mInit && mStaticContent)) {
961 updateContent(frameNo);
962 mContentChanged = true;
967 LOTFillItem::LOTFillItem(LOTFillData *data):LOTPaintDataItem(data->isStatic()),mData(data)
971 void LOTFillItem::updateContent(int frameNo)
973 LottieColor c = mData->mColor.value(frameNo);
974 float opacity = mData->opacity(frameNo);
975 mColor = c.toColor(opacity);
976 mFillRule = mData->fillRule();
979 void LOTFillItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
981 VColor color = mColor;
983 color.setAlpha(color.a * pathNode->combinedAlpha());
985 color.setAlpha(color.a * parentAlpha() * pathNode->combinedAlpha());
987 drawable->setBrush(brush);
988 drawable->setFillRule(mFillRule);
992 LOTGFillItem::LOTGFillItem(LOTGFillData *data):LOTPaintDataItem(data->isStatic()),mData(data)
996 void LOTGFillItem::updateContent(int frameNo)
998 mData->update(mGradient, frameNo);
999 mGradient->mMatrix = mParentMatrix;
1000 mFillRule = mData->fillRule();
1003 void LOTGFillItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1005 drawable->setBrush(VBrush(mGradient.get()));
1006 drawable->setFillRule(mFillRule);
1009 LOTStrokeItem::LOTStrokeItem(LOTStrokeData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1014 void LOTStrokeItem::updateContent(int frameNo)
1016 LottieColor c = mData->mColor.value(frameNo);
1017 float opacity = mData->opacity(frameNo);
1018 mColor = c.toColor(opacity);
1019 mCap = mData->capStyle();
1020 mJoin = mData->joinStyle();
1021 mMiterLimit = mData->meterLimit();
1022 mWidth = mData->width(frameNo);
1023 if (mData->hasDashInfo()) {
1024 mDashArraySize = mData->getDashInfo(frameNo, mDashArray);
1028 static float getScale(const VMatrix &matrix)
1030 constexpr float SQRT_2 = 1.41421;
1032 VPointF p2(SQRT_2,SQRT_2);
1033 p1 = matrix.map(p1);
1034 p2 = matrix.map(p2);
1035 VPointF final = p2 - p1;
1037 return std::sqrt( final.x() * final.x() + final.y() * final.y());
1040 void LOTStrokeItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1042 VColor color = mColor;
1044 color.setAlpha(color.a * pathNode->combinedAlpha());
1046 color.setAlpha(color.a * parentAlpha() * pathNode->combinedAlpha());
1048 VBrush brush(color);
1049 drawable->setBrush(brush);
1051 drawable->setStrokeInfo(mCap, mJoin, mMiterLimit, mWidth * getScale(mParentMatrix));
1052 if (mDashArraySize) {
1053 drawable->setDashInfo(mDashArray, mDashArraySize);
1057 LOTGStrokeItem::LOTGStrokeItem(LOTGStrokeData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1062 void LOTGStrokeItem::updateContent(int frameNo)
1064 mData->update(mGradient, frameNo);
1065 mGradient->mMatrix = mParentMatrix;
1066 mCap = mData->capStyle();
1067 mJoin = mData->joinStyle();
1068 mMiterLimit = mData->meterLimit();
1069 mWidth = mData->width(frameNo);
1070 if (mData->hasDashInfo()) {
1071 mDashArraySize = mData->getDashInfo(frameNo, mDashArray);
1075 void LOTGStrokeItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1077 drawable->setBrush(VBrush(mGradient.get()));
1078 drawable->setStrokeInfo(mCap, mJoin, mMiterLimit, mWidth * getScale(mParentMatrix));
1079 if (mDashArraySize) {
1080 drawable->setDashInfo(mDashArray, mDashArraySize);
1084 LOTTrimItem::LOTTrimItem(LOTTrimData *data):mData(data)
1089 LOTRepeaterItem::LOTRepeaterItem(LOTRepeaterData *data):mData(data)
1094 void LOTRepeaterItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
1099 void LOTRepeaterItem::renderList(std::vector<VDrawable *> &list)