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::unique_ptr<LOTMaskItem>(new 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::unique_ptr<VDrawable>(new 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 mRoot->processTrimOperation();
613 LOTShapeLayerItem::~LOTShapeLayerItem()
618 LOTContentItem * LOTShapeLayerItem::createContentItem(LOTData *contentData)
620 switch(contentData->type()) {
621 case LOTData::Type::ShapeGroup: {
622 return new LOTContentGroupItem(static_cast<LOTShapeGroupData *>(contentData));
625 case LOTData::Type::Rect: {
626 return new LOTRectItem(static_cast<LOTRectData *>(contentData));
629 case LOTData::Type::Ellipse: {
630 return new LOTEllipseItem(static_cast<LOTEllipseData *>(contentData));
633 case LOTData::Type::Shape: {
634 return new LOTShapeItem(static_cast<LOTShapeData *>(contentData));
637 case LOTData::Type::Polystar: {
638 return new LOTPolystarItem(static_cast<LOTPolystarData *>(contentData));
641 case LOTData::Type::Fill: {
642 return new LOTFillItem(static_cast<LOTFillData *>(contentData));
645 case LOTData::Type::GFill: {
646 return new LOTGFillItem(static_cast<LOTGFillData *>(contentData));
649 case LOTData::Type::Stroke: {
650 return new LOTStrokeItem(static_cast<LOTStrokeData *>(contentData));
653 case LOTData::Type::GStroke: {
654 return new LOTGStrokeItem(static_cast<LOTGStrokeData *>(contentData));
657 case LOTData::Type::Repeater: {
658 return new LOTRepeaterItem(static_cast<LOTRepeaterData *>(contentData));
661 case LOTData::Type::Trim: {
662 return new LOTTrimItem(static_cast<LOTTrimData *>(contentData));
671 void LOTShapeLayerItem::updateContent()
673 mRoot->update(frameNo(), combinedMatrix(), combinedAlpha(), flag());
676 void LOTShapeLayerItem::renderList(std::vector<VDrawable *> &list)
678 if (!visible()) return;
679 mRoot->renderList(list);
682 LOTContentGroupItem::LOTContentGroupItem(LOTShapeGroupData *data):mData(data)
687 void LOTContentGroupItem::addChildren(LOTGroupData *data)
691 for(auto i : data->mChildren) {
692 LOTData *data = i.get();
693 LOTContentItem *content = LOTShapeLayerItem::createContentItem(data);
695 mContents.push_back(content);
699 LOTContentGroupItem::~LOTContentGroupItem()
701 for(auto i : mContents) {
707 void LOTContentGroupItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
709 VMatrix m = parentMatrix;
710 float alpha = parentAlpha;
711 DirtyFlag newFlag = flag;
714 // update the matrix and the flag
715 if ((flag & DirtyFlagBit::Matrix) || !mData->mTransform->staticMatrix() ) {
716 newFlag |= DirtyFlagBit::Matrix;
718 m = mData->mTransform->matrix(frameNo) * parentMatrix;
719 alpha *= mData->mTransform->opacity(frameNo);
721 if (!vCompare(alpha, parentAlpha)) {
722 newFlag |= DirtyFlagBit::Alpha;
726 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
727 (*i)->update(frameNo, m, alpha, newFlag);
731 void LOTContentGroupItem::renderList(std::vector<VDrawable *> &list)
733 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
734 (*i)->renderList(list);
738 void LOTContentGroupItem::processPaintOperation()
740 std::vector<LOTPaintDataItem *> list;
741 paintOperationHelper(list);
744 void LOTContentGroupItem::paintOperationHelper(std::vector<LOTPaintDataItem *> &list)
746 int curOpCount = list.size();
747 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
749 if (auto pathNode = dynamic_cast<LOTPathDataItem *>(child)) {
750 // the node is a path data node add the paint operation list to it.
751 pathNode->addPaintOperation(list, curOpCount);
752 } else if (auto paintNode = dynamic_cast<LOTPaintDataItem *>(child)) {
753 // add it to the paint operation list
754 list.push_back(paintNode);
755 } else if (auto groupNode = dynamic_cast<LOTContentGroupItem *>(child)) {
756 // update the groups node with current list
757 groupNode->paintOperationHelper(list);
760 list.erase(list.begin() + curOpCount, list.end());
763 void LOTPathDataItem::addPaintOperation(std::vector<LOTPaintDataItem *> &list, int externalCount)
765 for(auto paintItem : list) {
766 bool sameGroup = (externalCount-- > 0) ? false : true;
767 mNodeList.push_back(std::unique_ptr<VDrawable>(new VDrawable()));
768 mRenderList.push_back(LOTRenderNode(this, paintItem, mNodeList.back().get(), sameGroup));
772 void LOTContentGroupItem::processTrimOperation()
774 std::vector<LOTTrimItem *> list;
775 trimOperationHelper(list);
778 void LOTContentGroupItem::trimOperationHelper(std::vector<LOTTrimItem *> &list)
780 int curOpCount = list.size();
781 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
783 if (auto pathNode = dynamic_cast<LOTPathDataItem *>(child)) {
784 // the node is a path data node add the paint operation list to it.
785 pathNode->addTrimOperation(list);
786 } else if (auto trimNode = dynamic_cast<LOTTrimItem *>(child)) {
787 // add it to the trim operation list
788 list.push_back(trimNode);
789 } else if (auto groupNode = dynamic_cast<LOTContentGroupItem *>(child)) {
790 // update the groups node with current list
791 groupNode->trimOperationHelper(list);
794 list.erase(list.begin() + curOpCount, list.end());
797 void LOTPathDataItem::addTrimOperation(std::vector<LOTTrimItem *> &list)
799 for(auto trimItem : list) {
800 mTrimNodeRefs.push_back(trimItem);
804 void LOTPathDataItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
808 mPathChanged = false;
809 mCombinedAlpha = parentAlpha;
811 // 1. update the local path if needed
812 if (!(mInit && mStaticPath)) {
813 mLocalPath = getPath(frameNo);
818 tempPath = mLocalPath;
820 // 2. apply path operation if needed
821 if (mTrimNodeRefs.size() > 0)
823 //TODO apply more than one trim path if necessary
825 float s = mTrimNodeRefs.front()->getStart(frameNo);
826 float e = mTrimNodeRefs.front()->getEnd(frameNo);
828 pm.setPath(mLocalPath);
831 tempPath = pm.getPath();
836 // 3. compute the final path with parentMatrix
838 if ((flag & DirtyFlagBit::Matrix) || mPathChanged) {
839 mFinalPath = tempPath;
840 mFinalPath.transform(parentMatrix);
844 // 2. update the rendernode list
845 for (const auto &i : mRenderList) {
846 i.drawable->mFlag = VDrawable::DirtyState::None;
847 i.paintNodeRef->updateRenderNode(i.pathNodeRef, i.drawable, i.sameGroup);
849 i.drawable->mPath = mFinalPath;
850 i.drawable->mFlag |= VDrawable::DirtyState::Path;
855 void LOTPathDataItem::renderList(std::vector<VDrawable *> &list)
857 for (const auto &i : mRenderList) {
858 list.push_back(i.drawable);
862 VPath LOTPathDataItem::path() const
868 LOTRectItem::LOTRectItem(LOTRectData *data):LOTPathDataItem(data->isStatic()),mData(data)
872 VPath LOTRectItem::getPath(int frameNo)
874 VPointF pos = mData->mPos.value(frameNo);
875 VPointF size = mData->mSize.value(frameNo);
876 float radius = mData->mRound.value(frameNo);
877 VRectF r(pos.x() - size.x()/2, pos.y() - size.y()/2, size.x(), size.y());
880 path.addRoundRect(r, radius, radius, mData->direction());
885 LOTEllipseItem::LOTEllipseItem(LOTEllipseData *data):LOTPathDataItem(data->isStatic()),mData(data)
890 VPath LOTEllipseItem::getPath(int frameNo)
892 VPointF pos = mData->mPos.value(frameNo);
893 VPointF size = mData->mSize.value(frameNo);
894 VRectF r(pos.x() - size.x()/2, pos.y() - size.y()/2, size.x(), size.y());
897 path.addOval(r, mData->direction());
902 LOTShapeItem::LOTShapeItem(LOTShapeData *data):LOTPathDataItem(data->isStatic()),mData(data)
907 VPath LOTShapeItem::getPath(int frameNo)
909 LottieShapeData shapeData = mData->mShape.value(frameNo);
911 if (shapeData.mPoints.empty())
916 int size = shapeData.mPoints.size();
917 const VPointF *points = shapeData.mPoints.data();
918 path.moveTo(points[0]);
919 for (int i = 1 ; i < size; i+=3) {
920 path.cubicTo(points[i], points[i+1], points[i+2]);
922 if (shapeData.mClosed)
929 LOTPolystarItem::LOTPolystarItem(LOTPolystarData *data):LOTPathDataItem(data->isStatic()),mData(data)
934 VPath LOTPolystarItem::getPath(int frameNo)
936 VPointF pos = mData->mPos.value(frameNo);
937 float points = mData->mPointCount.value(frameNo);
938 float innerRadius = mData->mInnerRadius.value(frameNo);
939 float outerRadius = mData->mOuterRadius.value(frameNo);
940 float innerRoundness = mData->mInnerRoundness.value(frameNo);
941 float outerRoundness = mData->mOuterRoundness.value(frameNo);
942 float rotation = mData->mRotation.value(frameNo);
947 if (mData->mType == LOTPolystarData::PolyType::Star) {
948 path.addPolystarStar(0.0, 0.0, 0.0, points,
949 innerRadius, outerRadius,
950 innerRoundness, outerRoundness,
953 path.addPolystarPolygon(0.0, 0.0, 0.0, points,
954 outerRadius, outerRoundness,
958 m.translate(pos.x(), pos.y()).rotate(rotation);
968 * PaintData Node handling
972 void LOTPaintDataItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
974 mContentChanged = false;
975 mParentAlpha = parentAlpha;
976 mParentMatrix = parentMatrix;
979 // 1. update the local content if needed
980 // if (!(mInit && mStaticContent)) {
982 updateContent(frameNo);
983 mContentChanged = true;
988 LOTFillItem::LOTFillItem(LOTFillData *data):LOTPaintDataItem(data->isStatic()),mData(data)
992 void LOTFillItem::updateContent(int frameNo)
994 LottieColor c = mData->mColor.value(frameNo);
995 float opacity = mData->opacity(frameNo);
996 mColor = c.toColor(opacity);
997 mFillRule = mData->fillRule();
1000 void LOTFillItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1002 VColor color = mColor;
1004 color.setAlpha(color.a * pathNode->combinedAlpha());
1006 color.setAlpha(color.a * parentAlpha() * pathNode->combinedAlpha());
1007 VBrush brush(color);
1008 drawable->setBrush(brush);
1009 drawable->setFillRule(mFillRule);
1013 LOTGFillItem::LOTGFillItem(LOTGFillData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1017 void LOTGFillItem::updateContent(int frameNo)
1019 mData->update(mGradient, frameNo);
1020 mGradient->mMatrix = mParentMatrix;
1021 mFillRule = mData->fillRule();
1024 void LOTGFillItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1026 drawable->setBrush(VBrush(mGradient.get()));
1027 drawable->setFillRule(mFillRule);
1030 LOTStrokeItem::LOTStrokeItem(LOTStrokeData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1035 void LOTStrokeItem::updateContent(int frameNo)
1037 LottieColor c = mData->mColor.value(frameNo);
1038 float opacity = mData->opacity(frameNo);
1039 mColor = c.toColor(opacity);
1040 mCap = mData->capStyle();
1041 mJoin = mData->joinStyle();
1042 mMiterLimit = mData->meterLimit();
1043 mWidth = mData->width(frameNo);
1044 if (mData->hasDashInfo()) {
1045 mDashArraySize = mData->getDashInfo(frameNo, mDashArray);
1049 static float getScale(const VMatrix &matrix)
1051 constexpr float SQRT_2 = 1.41421;
1053 VPointF p2(SQRT_2,SQRT_2);
1054 p1 = matrix.map(p1);
1055 p2 = matrix.map(p2);
1056 VPointF final = p2 - p1;
1058 return std::sqrt( final.x() * final.x() + final.y() * final.y());
1061 void LOTStrokeItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1063 VColor color = mColor;
1065 color.setAlpha(color.a * pathNode->combinedAlpha());
1067 color.setAlpha(color.a * parentAlpha() * pathNode->combinedAlpha());
1069 VBrush brush(color);
1070 drawable->setBrush(brush);
1072 drawable->setStrokeInfo(mCap, mJoin, mMiterLimit, mWidth * getScale(mParentMatrix));
1073 if (mDashArraySize) {
1074 drawable->setDashInfo(mDashArray, mDashArraySize);
1078 LOTGStrokeItem::LOTGStrokeItem(LOTGStrokeData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1083 void LOTGStrokeItem::updateContent(int frameNo)
1085 mData->update(mGradient, frameNo);
1086 mGradient->mMatrix = mParentMatrix;
1087 mCap = mData->capStyle();
1088 mJoin = mData->joinStyle();
1089 mMiterLimit = mData->meterLimit();
1090 mWidth = mData->width(frameNo);
1091 if (mData->hasDashInfo()) {
1092 mDashArraySize = mData->getDashInfo(frameNo, mDashArray);
1096 void LOTGStrokeItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1098 drawable->setBrush(VBrush(mGradient.get()));
1099 drawable->setStrokeInfo(mCap, mJoin, mMiterLimit, mWidth * getScale(mParentMatrix));
1100 if (mDashArraySize) {
1101 drawable->setDashInfo(mDashArray, mDashArraySize);
1105 LOTTrimItem::LOTTrimItem(LOTTrimData *data):mData(data)
1109 void LOTTrimItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
1113 LOTRepeaterItem::LOTRepeaterItem(LOTRepeaterData *data):mData(data)
1118 void LOTRepeaterItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
1123 void LOTRepeaterItem::renderList(std::vector<VDrawable *> &list)