1 #include "lottieitem.h"
8 VDrawable::VDrawable():mFlag(DirtyState::All),
10 mFillRule(FillRule::Winding)
12 mStroke.dashArraySize = 0;
13 mStroke.cap = CapStyle::Round;
14 mStroke.join= JoinStyle::Round;
15 mStroke.meterLimit = 10;
16 mStroke.enable = false;
19 void VDrawable::preprocess()
21 if (mFlag & (DirtyState::Path)) {
23 VPath newPath = mPath;
24 if (mStroke.dashArraySize) {
25 VDasher dasher(mStroke.dashArray, mStroke.dashArraySize);
26 newPath = dasher.dashed(mPath);
28 FTOutline *outline = VRaster::toFTOutline(newPath);
29 mRleTask = VRaster::instance().generateStrokeInfo(outline, mStroke.cap, mStroke.join,
30 mStroke.width, mStroke.meterLimit);
32 FTOutline *outline = VRaster::toFTOutline(mPath);
33 mRleTask = VRaster::instance().generateFillInfo(outline, mFillRule);
35 mFlag &= ~DirtyFlag(DirtyState::Path);
41 if (mRleTask.valid()) {
42 mRle = std::move(mRleTask.get());
47 void VDrawable::setStrokeInfo(CapStyle cap, JoinStyle join, float meterLimit, float strokeWidth)
49 mStroke.enable = true;
52 mStroke.meterLimit = meterLimit;
53 mStroke.width = strokeWidth;
54 mFlag |= DirtyState::Path;
56 void VDrawable::setDashInfo(float *array, int size)
58 mStroke.dashArray = array;
59 mStroke.dashArraySize = size;
60 mFlag |= DirtyState::Path;
63 void VDrawable::sync()
65 mCNode.mFlag = ChangeFlagNone;
66 if (mFlag & DirtyState::None) return;
68 if (mFlag & DirtyState::Path) {
69 const std::vector<VPath::Element> &elm = mPath.elements();
70 const std::vector<VPointF> &pts = mPath.points();
71 const float *ptPtr = reinterpret_cast<const float *>(pts.data());
72 const char *elmPtr = reinterpret_cast<const char *>(elm.data());
73 mCNode.mPath.elmPtr = elmPtr;
74 mCNode.mPath.elmCount = elm.size();
75 mCNode.mPath.ptPtr = ptPtr;
76 mCNode.mPath.ptCount = 2 * pts.size();
77 mCNode.mFlag |= ChangeFlagPath;
81 mCNode.mStroke.width = mStroke.width;
82 mCNode.mStroke.meterLimit = mStroke.meterLimit;
83 mCNode.mStroke.enable = 1;
86 case FillRule::EvenOdd:
87 mCNode.mFillRule = LOTNode::EvenOdd;
90 mCNode.mFillRule = LOTNode::Winding;
94 switch (mStroke.cap) {
96 mCNode.mStroke.cap = LOTNode::FlatCap;
98 case CapStyle::Square:
99 mCNode.mStroke.cap = LOTNode::SquareCap;
101 case CapStyle::Round:
102 mCNode.mStroke.cap = LOTNode::RoundCap;
105 mCNode.mStroke.cap = LOTNode::FlatCap;
109 switch (mStroke.join) {
110 case JoinStyle::Miter:
111 mCNode.mStroke.join = LOTNode::MiterJoin;
113 case JoinStyle::Bevel:
114 mCNode.mStroke.join = LOTNode::BevelJoin;
116 case JoinStyle::Round:
117 mCNode.mStroke.join = LOTNode::RoundJoin;
120 mCNode.mStroke.join = LOTNode::MiterJoin;
124 mCNode.mStroke.dashArray = mStroke.dashArray;
125 mCNode.mStroke.dashArraySize = mStroke.dashArraySize;
128 mCNode.mStroke.enable = 0;
131 switch (mBrush.type()) {
132 case VBrush::Type::Solid:
133 mCNode.mType = LOTNode::BrushSolid;
134 mCNode.mColor.r = mBrush.mColor.r;
135 mCNode.mColor.g = mBrush.mColor.g;
136 mCNode.mColor.b = mBrush.mColor.b;
137 mCNode.mColor.a = mBrush.mColor.a;
139 case VBrush::Type::LinearGradient:
140 mCNode.mType = LOTNode::BrushGradient;
141 mCNode.mGradient.type = LOTNode::Gradient::Linear;
142 mCNode.mGradient.start.x = mBrush.mGradient->linear.x1;
143 mCNode.mGradient.start.y = mBrush.mGradient->linear.y1;
144 mCNode.mGradient.end.x = mBrush.mGradient->linear.x2;
145 mCNode.mGradient.end.y = mBrush.mGradient->linear.y2;
147 case VBrush::Type::RadialGradient:
148 mCNode.mType = LOTNode::BrushGradient;
149 mCNode.mGradient.type = LOTNode::Gradient::Radial;
150 mCNode.mGradient.center.x = mBrush.mGradient->radial.cx;
151 mCNode.mGradient.center.y = mBrush.mGradient->radial.cy;
152 mCNode.mGradient.focal.x = mBrush.mGradient->radial.fx;
153 mCNode.mGradient.focal.y = mBrush.mGradient->radial.fy;
154 mCNode.mGradient.cradius = mBrush.mGradient->radial.cradius;
155 mCNode.mGradient.fradius = mBrush.mGradient->radial.fradius;
162 /* Lottie Layer Rules
163 * 1. time stretch is pre calculated and applied to all the properties of the lottilayer model and all its children
164 * 2. The frame property could be reversed using,time-reverse layer property in AE. which means (start frame > endFrame)
168 LOTCompItem::LOTCompItem(LOTModel *model):mRootModel(model), mUpdateViewBox(false),mCurFrameNo(-1)
170 // 1. build layer item list
171 mCompData = model->mRoot.get();
172 for(auto i : mCompData->mChildren) {
173 LOTLayerData *layerData = dynamic_cast<LOTLayerData *>(i.get());
175 LOTLayerItem *layerItem = LOTCompItem::createLayerItem(layerData);
177 mLayers.push_back(layerItem);
178 mLayerMap[layerItem->id()] = layerItem;
183 //2. update parent layer
184 for(auto i : mLayers) {
185 int id = i->parentId();
187 auto search = mLayerMap.find(id);
188 if (search != mLayerMap.end()) {
189 LOTLayerItem *parentLayer = search->second;
190 i->setParentLayer(parentLayer);
194 //3. update static property of each layer
195 for(auto i : mLayers) {
196 i->updateStaticProperty();
199 mViewSize = mCompData->size();
202 LOTCompItem::~LOTCompItem()
204 for(auto i : mLayers) {
210 LOTCompItem::createLayerItem(LOTLayerData *layerData)
212 switch(layerData->mLayerType) {
213 case LayerType::Precomp: {
214 return new LOTCompLayerItem(layerData);
217 case LayerType::Solid: {
218 return new LOTSolidLayerItem(layerData);
221 case LayerType::Shape: {
222 return new LOTShapeLayerItem(layerData);
225 case LayerType::Null: {
226 return new LOTNullLayerItem(layerData);
235 void LOTCompItem::resize(const VSize &size)
237 if (mViewSize == size) return;
239 mUpdateViewBox = true;
242 VSize LOTCompItem::size() const
247 bool LOTCompItem::update(int frameNo)
252 // check if cached frame is same as requested frame.
253 if (!mUpdateViewBox && (mCurFrameNo == frameNo)) return false;
255 sx = mViewSize.width() / float(mCompData->size().width());
256 sy = mViewSize.height() / float(mCompData->size().height());
257 float scale = fmin(sx, sy);
258 m.scale(scale, scale);
260 // update the layer from back to front
261 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
262 LOTLayerItem *layer = *i;
263 layer->update(frameNo, m, 1.0);
266 mCurFrameNo = frameNo;
267 mUpdateViewBox = false;
271 void LOTCompItem::buildRenderList()
273 mDrawableList.clear();
274 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
275 LOTLayerItem *layer = *i;
276 layer->renderList(mDrawableList);
280 for(auto i : mDrawableList) {
282 mRenderList.push_back(&i->mCNode);
286 const std::vector<LOTNode *>& LOTCompItem::renderList() const
291 bool LOTCompItem::render(const LOTBuffer &buffer)
293 VBitmap bitmap((uchar *)buffer.buffer, buffer.width, buffer.height,
294 buffer.bytesPerLine, VBitmap::Format::ARGB32_Premultiplied, nullptr, nullptr);
296 /* schedule all preprocess task for this frame at once.
298 for (auto &e : mDrawableList) {
302 VPainter painter(&bitmap);
304 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
305 LOTLayerItem *layer = *i;
306 layer->render(&painter, mask);
312 void LOTMaskItem::update(int frameNo, const VMatrix &parentMatrix,
313 float parentAlpha, const DirtyFlag &flag)
315 if (mData->mShape.isStatic()) {
316 if (mLocalPath.isEmpty()) {
317 mLocalPath = mData->mShape.value(frameNo).toPath();
320 mLocalPath = mData->mShape.value(frameNo).toPath();
322 float opacity = mData->opacity(frameNo);
323 opacity = opacity * parentAlpha;
324 mCombinedAlpha = opacity;
326 VPath path = mLocalPath;
327 path.transform(parentMatrix);
329 FTOutline *outline = VRaster::toFTOutline(path);
330 mRleTask = VRaster::instance().generateFillInfo(outline);
333 VRle LOTMaskItem::rle()
335 if (mRleTask.valid()) {
336 mRle = std::move(mRleTask.get());
337 if (!vCompare(mCombinedAlpha, 1.0f))
338 mRle = mRle * (mCombinedAlpha * 255);
345 void LOTLayerItem::render(VPainter *painter, const VRle &inheritMask)
347 std::vector<VDrawable *> list;
349 VRle mask = inheritMask;
352 mask = maskRle(painter->clipBoundingRect());
354 mask = mask & inheritMask;
358 painter->setBrush(i->mBrush);
359 if (!mask.isEmpty()) {
360 VRle rle = i->rle() & mask;
361 painter->drawRle(VPoint(), rle);
363 painter->drawRle(VPoint(), i->rle());
368 VRle LOTLayerItem::maskRle(const VRect &clipRect)
372 for (auto &i : mMasks) {
373 switch (i->maskMode()) {
374 case LOTMaskData::Mode::Add: {
375 rle = rle + i->rle();
378 case LOTMaskData::Mode::Substarct: {
379 if (rle.isEmpty() && !clipRect.isEmpty())
380 rle = VRle::toRle(clipRect);
381 rle = rle - i->rle();
384 case LOTMaskData::Mode::Intersect: {
385 rle = rle & i->rle();
395 LOTLayerItem::LOTLayerItem(LOTLayerData *layerData):mLayerData(layerData),
396 mParentLayer(nullptr),
397 mPrecompLayer(nullptr),
398 mCombinedAlpha(0.0f),
400 mDirtyFlag(DirtyFlagBit::All)
402 if (mLayerData->mHasMask) {
403 for (auto i : mLayerData->mMasks) {
404 mMasks.push_back(std::make_unique<LOTMaskItem>(i.get()));
409 void LOTLayerItem::updateStaticProperty()
412 mParentLayer->updateStaticProperty();
414 mStatic = mLayerData->isStatic();
415 mStatic = mParentLayer ? (mStatic & mParentLayer->isStatic()) : mStatic;
416 mStatic = mPrecompLayer ? (mStatic & mPrecompLayer->isStatic()) : mStatic;
419 void LOTLayerItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha)
422 // 1. check if the layer is part of the current frame
423 if (!visible()) return;
425 // 2. calculate the parent matrix and alpha
426 VMatrix m = matrix(frameNo) * parentMatrix;
427 float alpha = parentAlpha * opacity(frameNo);
431 for (auto &i : mMasks)
432 i->update(frameNo, m, alpha, mDirtyFlag);
435 // 3. update the dirty flag based on the change
436 if (!mCombinedMatrix.fuzzyCompare(m)) {
437 mDirtyFlag |= DirtyFlagBit::Matrix;
439 if (!vCompare(mCombinedAlpha, alpha)) {
440 mDirtyFlag |= DirtyFlagBit::Alpha;
443 mCombinedAlpha = alpha;
445 // 4. if no parent property change and layer is static then nothing to do.
446 if ((flag() & DirtyFlagBit::None) && isStatic())
449 //5. update the content of the layer
452 //6. reset the dirty flag
453 mDirtyFlag = DirtyFlagBit::None;
457 LOTLayerItem::opacity(int frameNo) const
459 return mLayerData->mTransform->opacity(frameNo);
463 LOTLayerItem::matrix(int frameNo) const
466 return mLayerData->mTransform->matrix(frameNo) * mParentLayer->matrix(frameNo);
468 return mLayerData->mTransform->matrix(frameNo);
471 bool LOTLayerItem::visible() const
473 if (frameNo() >= mLayerData->inFrame() && frameNo() < mLayerData->outFrame())
481 LOTCompLayerItem::LOTCompLayerItem(LOTLayerData *layerModel):LOTLayerItem(layerModel)
483 for(auto i : mLayerData->mChildren) {
484 LOTLayerData *layerModel = dynamic_cast<LOTLayerData *>(i.get());
486 LOTLayerItem *layerItem = LOTCompItem::createLayerItem(layerModel);
488 mLayers.push_back(layerItem);
489 mLayerMap[layerItem->id()] = layerItem;
494 //2. update parent layer
495 for(auto i : mLayers) {
496 int id = i->parentId();
498 auto search = mLayerMap.find(id);
499 if (search != mLayerMap.end()) {
500 LOTLayerItem *parentLayer = search->second;
501 i->setParentLayer(parentLayer);
504 i->setPrecompLayer(this);
508 void LOTCompLayerItem::updateStaticProperty()
510 LOTLayerItem::updateStaticProperty();
512 for(auto i : mLayers) {
513 i->updateStaticProperty();
517 void LOTCompLayerItem::render(VPainter *painter, const VRle &inheritMask)
519 VRle mask = inheritMask;
523 mask = maskRle(painter->clipBoundingRect());
525 mask = mask & inheritMask;
528 for(auto i : mLayers) {
529 i->render(painter, mask);
533 LOTCompLayerItem::~LOTCompLayerItem()
535 for(auto i : mLayers) {
540 void LOTCompLayerItem::updateContent()
542 // update the layer from back to front
543 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
544 LOTLayerItem *layer = *i;
545 layer->update(frameNo(), combinedMatrix(), combinedAlpha());
549 void LOTCompLayerItem::renderList(std::vector<VDrawable *> &list)
551 if (!visible()) return;
553 // update the layer from back to front
554 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
555 LOTLayerItem *layer = *i;
556 layer->renderList(list);
560 LOTSolidLayerItem::LOTSolidLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
565 void LOTSolidLayerItem::updateContent()
568 mRenderNode = std::make_unique<VDrawable>();
569 mRenderNode->mType = VDrawable::Type::Fill;
570 mRenderNode->mFlag |= VDrawable::DirtyState::All;
573 if (flag() & DirtyFlagBit::Matrix) {
575 path.addRect(VRectF(0, 0, mLayerData->solidWidth(), mLayerData->solidHeight()));
576 path.transform(combinedMatrix());
577 mRenderNode->mFlag |= VDrawable::DirtyState::Path;
578 mRenderNode->mPath = path;
580 if (flag() & DirtyFlagBit::Alpha) {
581 LottieColor color = mLayerData->solidColor();
582 VBrush brush(color.toColor(combinedAlpha()));
583 mRenderNode->setBrush(brush);
584 mRenderNode->mFlag |= VDrawable::DirtyState::Brush;
588 void LOTSolidLayerItem::renderList(std::vector<VDrawable *> &list)
590 if (!visible()) return;
592 list.push_back(mRenderNode.get());
595 LOTNullLayerItem::LOTNullLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
599 void LOTNullLayerItem::updateContent()
605 LOTShapeLayerItem::LOTShapeLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
607 mRoot = new LOTContentGroupItem(nullptr);
608 mRoot->addChildren(layerData);
609 mRoot->processPaintOperation();
610 if (layerData->hasPathOperator())
611 mRoot->processTrimOperation();
614 LOTShapeLayerItem::~LOTShapeLayerItem()
619 LOTContentItem * LOTShapeLayerItem::createContentItem(LOTData *contentData)
621 switch(contentData->type()) {
622 case LOTData::Type::ShapeGroup: {
623 return new LOTContentGroupItem(static_cast<LOTShapeGroupData *>(contentData));
626 case LOTData::Type::Rect: {
627 return new LOTRectItem(static_cast<LOTRectData *>(contentData));
630 case LOTData::Type::Ellipse: {
631 return new LOTEllipseItem(static_cast<LOTEllipseData *>(contentData));
634 case LOTData::Type::Shape: {
635 return new LOTShapeItem(static_cast<LOTShapeData *>(contentData));
638 case LOTData::Type::Polystar: {
639 return new LOTPolystarItem(static_cast<LOTPolystarData *>(contentData));
642 case LOTData::Type::Fill: {
643 return new LOTFillItem(static_cast<LOTFillData *>(contentData));
646 case LOTData::Type::GFill: {
647 return new LOTGFillItem(static_cast<LOTGFillData *>(contentData));
650 case LOTData::Type::Stroke: {
651 return new LOTStrokeItem(static_cast<LOTStrokeData *>(contentData));
654 case LOTData::Type::GStroke: {
655 return new LOTGStrokeItem(static_cast<LOTGStrokeData *>(contentData));
658 case LOTData::Type::Repeater: {
659 return new LOTRepeaterItem(static_cast<LOTRepeaterData *>(contentData));
662 case LOTData::Type::Trim: {
663 return new LOTTrimItem(static_cast<LOTTrimData *>(contentData));
672 void LOTShapeLayerItem::updateContent()
674 mRoot->update(frameNo(), combinedMatrix(), combinedAlpha(), flag());
677 void LOTShapeLayerItem::renderList(std::vector<VDrawable *> &list)
679 if (!visible()) return;
680 mRoot->renderList(list);
683 LOTContentGroupItem::LOTContentGroupItem(LOTShapeGroupData *data):mData(data)
688 void LOTContentGroupItem::addChildren(LOTGroupData *data)
692 for(auto i : data->mChildren) {
693 LOTData *data = i.get();
694 LOTContentItem *content = LOTShapeLayerItem::createContentItem(data);
696 mContents.push_back(content);
700 LOTContentGroupItem::~LOTContentGroupItem()
702 for(auto i : mContents) {
708 void LOTContentGroupItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
710 VMatrix m = parentMatrix;
711 float alpha = parentAlpha;
712 DirtyFlag newFlag = flag;
715 // update the matrix and the flag
716 if ((flag & DirtyFlagBit::Matrix) || !mData->mTransform->staticMatrix() ) {
717 newFlag |= DirtyFlagBit::Matrix;
719 m = mData->mTransform->matrix(frameNo) * parentMatrix;
720 alpha *= mData->mTransform->opacity(frameNo);
722 if (!vCompare(alpha, parentAlpha)) {
723 newFlag |= DirtyFlagBit::Alpha;
727 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
728 (*i)->update(frameNo, m, alpha, newFlag);
732 void LOTContentGroupItem::renderList(std::vector<VDrawable *> &list)
734 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
735 (*i)->renderList(list);
739 void LOTContentGroupItem::processPaintOperation()
741 std::vector<LOTPaintDataItem *> list;
742 paintOperationHelper(list);
745 void LOTContentGroupItem::paintOperationHelper(std::vector<LOTPaintDataItem *> &list)
747 int curOpCount = list.size();
748 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
750 if (auto pathNode = dynamic_cast<LOTPathDataItem *>(child)) {
751 // the node is a path data node add the paint operation list to it.
752 pathNode->addPaintOperation(list, curOpCount);
753 } else if (auto paintNode = dynamic_cast<LOTPaintDataItem *>(child)) {
754 // add it to the paint operation list
755 list.push_back(paintNode);
756 } else if (auto groupNode = dynamic_cast<LOTContentGroupItem *>(child)) {
757 // update the groups node with current list
758 groupNode->paintOperationHelper(list);
761 list.erase(list.begin() + curOpCount, list.end());
764 void LOTPathDataItem::addPaintOperation(std::vector<LOTPaintDataItem *> &list, int externalCount)
766 for(auto paintItem : list) {
767 bool sameGroup = (externalCount-- > 0) ? false : true;
768 mNodeList.push_back(std::make_unique<VDrawable>());
769 mRenderList.push_back(LOTRenderNode(this, paintItem, mNodeList.back().get(), sameGroup));
773 void LOTContentGroupItem::processTrimOperation()
775 std::vector<LOTTrimItem *> list;
776 trimOperationHelper(list);
779 void LOTContentGroupItem::trimOperationHelper(std::vector<LOTTrimItem *> &list)
781 int curOpCount = list.size();
782 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
784 if (auto pathNode = dynamic_cast<LOTPathDataItem *>(child)) {
785 // the node is a path data node add the trim operation list to it.
786 pathNode->addTrimOperation(list);
787 } else if (auto trimNode = dynamic_cast<LOTTrimItem *>(child)) {
788 // add it to the trim operation list
789 list.push_back(trimNode);
790 } else if (auto groupNode = dynamic_cast<LOTContentGroupItem *>(child)) {
791 // update the groups node with current list
792 groupNode->trimOperationHelper(list);
795 list.erase(list.begin() + curOpCount, list.end());
798 void LOTPathDataItem::addTrimOperation(std::vector<LOTTrimItem *> &list)
800 for(auto trimItem : list) {
801 mTrimNodeRefs.push_back(trimItem);
805 void LOTPathDataItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
809 mPathChanged = false;
810 mCombinedAlpha = parentAlpha;
812 // 1. update the local path if needed
813 if (!(mInit && mStaticPath)) {
814 mLocalPath = getPath(frameNo);
819 tempPath = mLocalPath;
821 // 2. apply path operation if needed
822 if (mTrimNodeRefs.size() > 0)
824 //TODO apply more than one trim path if necessary
826 float s = mTrimNodeRefs.front()->getStart(frameNo);
827 float e = mTrimNodeRefs.front()->getEnd(frameNo);
829 pm.setPath(mLocalPath);
832 tempPath = pm.getPath();
837 // 3. compute the final path with parentMatrix
839 if ((flag & DirtyFlagBit::Matrix) || mPathChanged) {
840 mFinalPath = tempPath;
841 mFinalPath.transform(parentMatrix);
845 // 2. update the rendernode list
846 for (const auto &i : mRenderList) {
847 i.drawable->mFlag = VDrawable::DirtyState::None;
848 i.paintNodeRef->updateRenderNode(i.pathNodeRef, i.drawable, i.sameGroup);
850 i.drawable->mPath = mFinalPath;
851 i.drawable->mFlag |= VDrawable::DirtyState::Path;
856 void LOTPathDataItem::renderList(std::vector<VDrawable *> &list)
858 for (const auto &i : mRenderList) {
859 list.push_back(i.drawable);
863 VPath LOTPathDataItem::path() const
869 LOTRectItem::LOTRectItem(LOTRectData *data):LOTPathDataItem(data->isStatic()),mData(data)
873 VPath LOTRectItem::getPath(int frameNo)
875 VPointF pos = mData->mPos.value(frameNo);
876 VPointF size = mData->mSize.value(frameNo);
877 float radius = mData->mRound.value(frameNo);
878 VRectF r(pos.x() - size.x()/2, pos.y() - size.y()/2, size.x(), size.y());
881 path.addRoundRect(r, radius, radius, mData->direction());
886 LOTEllipseItem::LOTEllipseItem(LOTEllipseData *data):LOTPathDataItem(data->isStatic()),mData(data)
891 VPath LOTEllipseItem::getPath(int frameNo)
893 VPointF pos = mData->mPos.value(frameNo);
894 VPointF size = mData->mSize.value(frameNo);
895 VRectF r(pos.x() - size.x()/2, pos.y() - size.y()/2, size.x(), size.y());
898 path.addOval(r, mData->direction());
903 LOTShapeItem::LOTShapeItem(LOTShapeData *data):LOTPathDataItem(data->isStatic()),mData(data)
908 VPath LOTShapeItem::getPath(int frameNo)
910 LottieShapeData shapeData = mData->mShape.value(frameNo);
912 if (shapeData.mPoints.empty())
917 int size = shapeData.mPoints.size();
918 const VPointF *points = shapeData.mPoints.data();
919 path.moveTo(points[0]);
920 for (int i = 1 ; i < size; i+=3) {
921 path.cubicTo(points[i], points[i+1], points[i+2]);
923 if (shapeData.mClosed)
930 LOTPolystarItem::LOTPolystarItem(LOTPolystarData *data):LOTPathDataItem(data->isStatic()),mData(data)
935 VPath LOTPolystarItem::getPath(int frameNo)
937 VPointF pos = mData->mPos.value(frameNo);
938 float points = mData->mPointCount.value(frameNo);
939 float innerRadius = mData->mInnerRadius.value(frameNo);
940 float outerRadius = mData->mOuterRadius.value(frameNo);
941 float innerRoundness = mData->mInnerRoundness.value(frameNo);
942 float outerRoundness = mData->mOuterRoundness.value(frameNo);
943 float rotation = mData->mRotation.value(frameNo);
948 if (mData->mType == LOTPolystarData::PolyType::Star) {
949 path.addPolystarStar(0.0, 0.0, 0.0, points,
950 innerRadius, outerRadius,
951 innerRoundness, outerRoundness,
954 path.addPolystarPolygon(0.0, 0.0, 0.0, points,
955 outerRadius, outerRoundness,
959 m.translate(pos.x(), pos.y()).rotate(rotation);
969 * PaintData Node handling
973 void LOTPaintDataItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
975 mContentChanged = false;
976 mParentAlpha = parentAlpha;
977 mParentMatrix = parentMatrix;
980 // 1. update the local content if needed
981 // if (!(mInit && mStaticContent)) {
983 updateContent(frameNo);
984 mContentChanged = true;
989 LOTFillItem::LOTFillItem(LOTFillData *data):LOTPaintDataItem(data->isStatic()),mData(data)
993 void LOTFillItem::updateContent(int frameNo)
995 LottieColor c = mData->mColor.value(frameNo);
996 float opacity = mData->opacity(frameNo);
997 mColor = c.toColor(opacity);
998 mFillRule = mData->fillRule();
1001 void LOTFillItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1003 VColor color = mColor;
1005 color.setAlpha(color.a * pathNode->combinedAlpha());
1007 color.setAlpha(color.a * parentAlpha() * pathNode->combinedAlpha());
1008 VBrush brush(color);
1009 drawable->setBrush(brush);
1010 drawable->setFillRule(mFillRule);
1014 LOTGFillItem::LOTGFillItem(LOTGFillData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1018 void LOTGFillItem::updateContent(int frameNo)
1020 mData->update(mGradient, frameNo);
1021 mGradient->mMatrix = mParentMatrix;
1022 mFillRule = mData->fillRule();
1025 void LOTGFillItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1027 drawable->setBrush(VBrush(mGradient.get()));
1028 drawable->setFillRule(mFillRule);
1031 LOTStrokeItem::LOTStrokeItem(LOTStrokeData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1036 void LOTStrokeItem::updateContent(int frameNo)
1038 LottieColor c = mData->mColor.value(frameNo);
1039 float opacity = mData->opacity(frameNo);
1040 mColor = c.toColor(opacity);
1041 mCap = mData->capStyle();
1042 mJoin = mData->joinStyle();
1043 mMiterLimit = mData->meterLimit();
1044 mWidth = mData->width(frameNo);
1045 if (mData->hasDashInfo()) {
1046 mDashArraySize = mData->getDashInfo(frameNo, mDashArray);
1050 static float getScale(const VMatrix &matrix)
1052 constexpr float SQRT_2 = 1.41421;
1054 VPointF p2(SQRT_2,SQRT_2);
1055 p1 = matrix.map(p1);
1056 p2 = matrix.map(p2);
1057 VPointF final = p2 - p1;
1059 return std::sqrt( final.x() * final.x() + final.y() * final.y());
1062 void LOTStrokeItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1064 VColor color = mColor;
1066 color.setAlpha(color.a * pathNode->combinedAlpha());
1068 color.setAlpha(color.a * parentAlpha() * pathNode->combinedAlpha());
1070 VBrush brush(color);
1071 drawable->setBrush(brush);
1073 drawable->setStrokeInfo(mCap, mJoin, mMiterLimit, mWidth * getScale(mParentMatrix));
1074 if (mDashArraySize) {
1075 drawable->setDashInfo(mDashArray, mDashArraySize);
1079 LOTGStrokeItem::LOTGStrokeItem(LOTGStrokeData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1084 void LOTGStrokeItem::updateContent(int frameNo)
1086 mData->update(mGradient, frameNo);
1087 mGradient->mMatrix = mParentMatrix;
1088 mCap = mData->capStyle();
1089 mJoin = mData->joinStyle();
1090 mMiterLimit = mData->meterLimit();
1091 mWidth = mData->width(frameNo);
1092 if (mData->hasDashInfo()) {
1093 mDashArraySize = mData->getDashInfo(frameNo, mDashArray);
1097 void LOTGStrokeItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1099 drawable->setBrush(VBrush(mGradient.get()));
1100 drawable->setStrokeInfo(mCap, mJoin, mMiterLimit, mWidth * getScale(mParentMatrix));
1101 if (mDashArraySize) {
1102 drawable->setDashInfo(mDashArray, mDashArraySize);
1106 LOTTrimItem::LOTTrimItem(LOTTrimData *data):mData(data)
1110 void LOTTrimItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
1114 LOTRepeaterItem::LOTRepeaterItem(LOTRepeaterData *data):mData(data)
1119 void LOTRepeaterItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
1124 void LOTRepeaterItem::renderList(std::vector<VDrawable *> &list)