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);
292 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
293 LOTLayerItem *layer = *i;
294 layer->render(&painter);
297 // for(auto i : mRenderList) {
298 // if (i->mType == LOTNode::TypeFill) {
299 // if (i->mFlag & ChangeFlagPath) {
300 // FTOutline *outline = VRaster::toFTOutline(i->mFinalPath);
301 // i->mRleInfo = VRaster::instance().generateFillInfo(outline);
302 // VRaster::deleteFTOutline(outline);
303 // i->mFlag = ChangeFlagNone;
305 // VBrush brush(i->mColor.r, i->mColor.g, i->mColor.b, i->mColor.a);
306 // painter.setBrush(brush);
307 // if (!i->mMaskRle.isEmpty()) {
308 // VRle rle = i->mRleInfo + i->mMaskRle;
309 // painter.drawRle(VPoint(), rle);
311 // painter.drawRle(VPoint(), i->mRleInfo);
313 // } else if(i->mType == LOTNode::TypeStroke) {
314 // if (i->mFlag & ChangeFlagPath) {
315 // VPath final = i->mFinalPath;
316 // if (i->mStroke.dashArraySize) {
317 // VDasher dasher(i->mStroke.dashArray, i->mStroke.dashArraySize);
318 // final = dasher.dashed(i->mFinalPath);
320 // FTOutline *outline = VRaster::toFTOutline(final);
321 // i->mRleInfo = VRaster::instance().generateStrokeInfo(outline, CapStyle::Round, JoinStyle::Round, i->mStroke.width);
322 // VRaster::deleteFTOutline(outline);
323 // i->mFlag = ChangeFlagNone;
325 // VBrush brush(i->mColor.r, i->mColor.g, i->mColor.b, i->mColor.a);
326 // painter.setBrush(brush);
327 // painter.drawRle(VPoint(), i->mRleInfo);
328 // } else if (i->mType == LOTNode::Type::TypeGFill) {
329 // if (i->mFlag & ChangeFlagPath) {
330 // FTOutline *outline = VRaster::toFTOutline(i->mFinalPath);
331 // i->mRleInfo = VRaster::instance().generateFillInfo(outline);
332 // VRaster::deleteFTOutline(outline);
333 // i->mFlag = ChangeFlagNone;
335 // painter.setBrush(i->mBrush);
336 // painter.drawRle(VPoint(), i->mRleInfo);
343 void LOTMaskItem::update(int frameNo, const VMatrix &parentMatrix,
344 float parentAlpha, const DirtyFlag &flag)
346 if (mData->mShape.isStatic()) {
347 if (mLocalPath.isEmpty()) {
348 mLocalPath = mData->mShape.value(frameNo).toPath();
351 mLocalPath = mData->mShape.value(frameNo).toPath();
353 float opacity = mData->opacity(frameNo);
354 opacity = opacity * parentAlpha;
356 VPath path = mLocalPath;
357 path.transform(parentMatrix);
359 FTOutline *outline = VRaster::toFTOutline(path);
360 mRle = VRaster::instance().generateFillInfo(outline);
361 VRaster::deleteFTOutline(outline);
363 mRle = mRle * (opacity * 255);
370 void LOTLayerItem::render(VPainter *painter)
372 std::vector<VDrawable *> list;
374 VRle mask = maskRle();
377 painter->setBrush(i->mBrush);
378 if (!mask.isEmpty()) {
379 VRle rle = i->mRle + mask;
380 painter->drawRle(VPoint(), rle);
382 painter->drawRle(VPoint(), i->mRle);
387 VRle LOTLayerItem::maskRle()
390 for (auto &i : mMasks) {
391 switch (i->maskMode()) {
392 case LOTMaskData::Mode::Add: {
396 case LOTMaskData::Mode::Substarct: {
400 case LOTMaskData::Mode::Intersect: {
411 LOTLayerItem::LOTLayerItem(LOTLayerData *layerData):mLayerData(layerData),
412 mParentLayer(nullptr),
413 mPrecompLayer(nullptr),
415 mDirtyFlag(DirtyFlagBit::All)
417 if (mLayerData->mHasMask) {
418 for (auto i : mLayerData->mMasks) {
419 mMasks.push_back(std::unique_ptr<LOTMaskItem>(new LOTMaskItem(i.get())));
424 void LOTLayerItem::updateStaticProperty()
427 mParentLayer->updateStaticProperty();
429 mStatic = mLayerData->isStatic();
430 mStatic = mParentLayer ? (mStatic & mParentLayer->isStatic()) : mStatic;
431 mStatic = mPrecompLayer ? (mStatic & mPrecompLayer->isStatic()) : mStatic;
434 void LOTLayerItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha)
437 // 1. check if the layer is part of the current frame
438 if (!visible()) return;
440 // 2. calculate the parent matrix and alpha
441 VMatrix m = matrix(frameNo) * parentMatrix;
442 float alpha = parentAlpha * opacity(frameNo);
446 for (auto &i : mMasks)
447 i->update(frameNo, m, alpha, mDirtyFlag);
450 // 3. update the dirty flag based on the change
451 if (!mCombinedMatrix.fuzzyCompare(m)) {
452 mDirtyFlag |= DirtyFlagBit::Matrix;
454 if (!vCompare(mCombinedAlpha, alpha)) {
455 mDirtyFlag |= DirtyFlagBit::Alpha;
458 mCombinedAlpha = alpha;
460 // 4. if no parent property change and layer is static then nothing to do.
461 if ((flag() & DirtyFlagBit::None) && isStatic())
464 //5. update the content of the layer
467 //6. reset the dirty flag
468 mDirtyFlag = DirtyFlagBit::None;
472 LOTLayerItem::opacity(int frameNo) const
474 return mLayerData->mTransform->opacity(frameNo);
478 LOTLayerItem::matrix(int frameNo) const
481 return mLayerData->mTransform->matrix(frameNo) * mParentLayer->matrix(frameNo);
483 return mLayerData->mTransform->matrix(frameNo);
486 bool LOTLayerItem::visible() const
488 if (frameNo() >= mLayerData->inFrame() && frameNo() < mLayerData->outFrame())
496 LOTCompLayerItem::LOTCompLayerItem(LOTLayerData *layerModel):LOTLayerItem(layerModel)
498 for(auto i : mLayerData->mChildren) {
499 LOTLayerData *layerModel = dynamic_cast<LOTLayerData *>(i.get());
501 LOTLayerItem *layerItem = LOTCompItem::createLayerItem(layerModel);
503 mLayers.push_back(layerItem);
504 mLayerMap[layerItem->id()] = layerItem;
509 //2. update parent layer
510 for(auto i : mLayers) {
511 int id = i->parentId();
513 auto search = mLayerMap.find(id);
514 if (search != mLayerMap.end()) {
515 LOTLayerItem *parentLayer = search->second;
516 i->setParentLayer(parentLayer);
519 i->setPrecompLayer(this);
523 void LOTCompLayerItem::updateStaticProperty()
525 LOTLayerItem::updateStaticProperty();
527 for(auto i : mLayers) {
528 i->updateStaticProperty();
532 LOTCompLayerItem::~LOTCompLayerItem()
534 for(auto i : mLayers) {
539 void LOTCompLayerItem::updateContent()
541 // update the layer from back to front
542 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
543 LOTLayerItem *layer = *i;
544 layer->update(frameNo(), combinedMatrix(), combinedAlpha());
548 void LOTCompLayerItem::renderList(std::vector<VDrawable *> &list)
550 if (!visible()) return;
552 // update the layer from back to front
553 for (auto i = mLayers.rbegin(); i != mLayers.rend(); ++i) {
554 LOTLayerItem *layer = *i;
555 layer->renderList(list);
559 LOTSolidLayerItem::LOTSolidLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
564 void LOTSolidLayerItem::updateContent()
567 mRenderNode = std::unique_ptr<VDrawable>(new VDrawable());
568 mRenderNode->mType = VDrawable::Type::Fill;
569 mRenderNode->mFlag |= VDrawable::DirtyState::All;
572 if (flag() & DirtyFlagBit::Matrix) {
574 path.addRect(VRectF(0, 0, mLayerData->solidWidth(), mLayerData->solidHeight()));
575 path.transform(combinedMatrix());
576 mRenderNode->mFlag |= VDrawable::DirtyState::Path;
577 mRenderNode->mPath = path;
579 if (flag() & DirtyFlagBit::Alpha) {
580 LottieColor color = mLayerData->solidColor();
581 VBrush brush(color.toColor(combinedAlpha()));
582 mRenderNode->setBrush(brush);
583 mRenderNode->mFlag |= VDrawable::DirtyState::Brush;
587 void LOTSolidLayerItem::renderList(std::vector<VDrawable *> &list)
589 if (!visible()) return;
591 list.push_back(mRenderNode.get());
594 LOTNullLayerItem::LOTNullLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
598 void LOTNullLayerItem::updateContent()
604 LOTShapeLayerItem::LOTShapeLayerItem(LOTLayerData *layerData):LOTLayerItem(layerData)
606 mRoot = new LOTContentGroupItem(nullptr);
607 mRoot->addChildren(layerData);
608 mRoot->processPaintOperation();
611 LOTShapeLayerItem::~LOTShapeLayerItem()
616 LOTContentItem * LOTShapeLayerItem::createContentItem(LOTData *contentData)
618 switch(contentData->type()) {
619 case LOTData::Type::ShapeGroup: {
620 return new LOTContentGroupItem(static_cast<LOTShapeGroupData *>(contentData));
623 case LOTData::Type::Rect: {
624 return new LOTRectItem(static_cast<LOTRectData *>(contentData));
627 case LOTData::Type::Ellipse: {
628 return new LOTEllipseItem(static_cast<LOTEllipseData *>(contentData));
631 case LOTData::Type::Shape: {
632 return new LOTShapeItem(static_cast<LOTShapeData *>(contentData));
635 case LOTData::Type::Polystar: {
636 return new LOTPolystarItem(static_cast<LOTPolystarData *>(contentData));
639 case LOTData::Type::Fill: {
640 return new LOTFillItem(static_cast<LOTFillData *>(contentData));
643 case LOTData::Type::GFill: {
644 return new LOTGFillItem(static_cast<LOTGFillData *>(contentData));
647 case LOTData::Type::Stroke: {
648 return new LOTStrokeItem(static_cast<LOTStrokeData *>(contentData));
651 case LOTData::Type::GStroke: {
652 return new LOTGStrokeItem(static_cast<LOTGStrokeData *>(contentData));
655 case LOTData::Type::Repeater: {
656 return new LOTRepeaterItem(static_cast<LOTRepeaterData *>(contentData));
665 void LOTShapeLayerItem::updateContent()
667 mRoot->update(frameNo(), combinedMatrix(), combinedAlpha(), flag());
670 void LOTShapeLayerItem::renderList(std::vector<VDrawable *> &list)
672 if (!visible()) return;
673 mRoot->renderList(list);
676 VPath::Direction LOTContentItem::direction(bool isCW)
679 return VPath::Direction::CW;
681 return VPath::Direction::CCW;
685 LOTContentGroupItem::LOTContentGroupItem(LOTShapeGroupData *data):mData(data)
690 void LOTContentGroupItem::addChildren(LOTGroupData *data)
694 for(auto i : data->mChildren) {
695 LOTData *data = i.get();
696 LOTContentItem *content = LOTShapeLayerItem::createContentItem(data);
698 mContents.push_back(content);
702 LOTContentGroupItem::~LOTContentGroupItem()
704 for(auto i : mContents) {
710 void LOTContentGroupItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
712 VMatrix m = parentMatrix;
713 float alpha = parentAlpha;
714 DirtyFlag newFlag = flag;
717 // update the matrix and the flag
718 if ((flag & DirtyFlagBit::Matrix) || !mData->mTransform->staticMatrix() ) {
719 newFlag |= DirtyFlagBit::Matrix;
721 m = mData->mTransform->matrix(frameNo) * parentMatrix;
722 alpha *= mData->mTransform->opacity(frameNo);
724 if (!floatCmp(alpha, parentAlpha)) {
725 newFlag |= DirtyFlagBit::Alpha;
729 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
730 (*i)->update(frameNo, m, alpha, newFlag);
734 void LOTContentGroupItem::renderList(std::vector<VDrawable *> &list)
736 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
737 (*i)->renderList(list);
741 void LOTContentGroupItem::processPaintOperation()
743 std::vector<LOTPaintDataItem *> list;
744 paintOperationHelper(list);
747 void LOTContentGroupItem::paintOperationHelper(std::vector<LOTPaintDataItem *> &list)
749 int curOpCount = list.size();
750 for (auto i = mContents.rbegin(); i != mContents.rend(); ++i) {
752 if (auto pathNode = dynamic_cast<LOTPathDataItem *>(child)) {
753 // the node is a path data node add the paint operation list to it.
754 pathNode->addPaintOperation(list, curOpCount);
755 } else if (auto paintNode = dynamic_cast<LOTPaintDataItem *>(child)) {
756 // add it to the paint operation list
757 list.push_back(paintNode);
758 } else if (auto groupNode = dynamic_cast<LOTContentGroupItem *>(child)) {
759 // update the groups node with current list
760 groupNode->paintOperationHelper(list);
763 list.erase(list.begin() + curOpCount, list.end());
766 void LOTPathDataItem::addPaintOperation(std::vector<LOTPaintDataItem *> &list, int externalCount)
768 for(auto paintItem : list) {
769 bool sameGroup = (externalCount-- > 0) ? false : true;
770 mNodeList.push_back(std::unique_ptr<VDrawable>(new VDrawable()));
771 mRenderList.push_back(LOTRenderNode(this, paintItem, mNodeList.back().get(), sameGroup));
776 void LOTPathDataItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
778 mPathChanged = false;
779 mCombinedAlpha = parentAlpha;
781 // 1. update the local path if needed
782 if (!(mInit && mStaticPath)) {
783 mLocalPath = getPath(frameNo);
788 // 2. apply path operation if needed
791 // 3. compute the final path with parentMatrix
792 if ((flag & DirtyFlagBit::Matrix) || mPathChanged) {
793 mFinalPath = mLocalPath;
794 mFinalPath.transform(parentMatrix);
798 // 2. update the rendernode list
799 for (const auto &i : mRenderList) {
800 i.drawable->mFlag = VDrawable::DirtyState::None;
801 i.paintNodeRef->updateRenderNode(i.pathNodeRef, i.drawable, i.sameGroup);
803 i.drawable->mPath = mFinalPath;
804 i.drawable->mFlag |= VDrawable::DirtyState::Path;
809 void LOTPathDataItem::renderList(std::vector<VDrawable *> &list)
811 for (const auto &i : mRenderList) {
812 list.push_back(i.drawable);
816 VPath LOTPathDataItem::path() const
822 LOTRectItem::LOTRectItem(LOTRectData *data):LOTPathDataItem(data->isStatic()),mData(data)
826 VPath LOTRectItem::getPath(int frameNo)
828 VPointF pos = mData->mPos.value(frameNo);
829 VPointF size = mData->mSize.value(frameNo);
830 float radius = mData->mRound.value(frameNo);
831 VRectF r(pos.x() - size.x()/2, pos.y() - size.y()/2, size.x(), size.y());
834 path.addRoundRect(r, radius, radius, direction(mData->isDirectionCW()));
839 LOTEllipseItem::LOTEllipseItem(LOTEllipseData *data):LOTPathDataItem(data->isStatic()),mData(data)
844 VPath LOTEllipseItem::getPath(int frameNo)
846 VPointF pos = mData->mPos.value(frameNo);
847 VPointF size = mData->mSize.value(frameNo);
848 VRectF r(pos.x() - size.x()/2, pos.y() - size.y()/2, size.x(), size.y());
851 path.addOval(r, direction(mData->isDirectionCW()));
856 LOTShapeItem::LOTShapeItem(LOTShapeData *data):LOTPathDataItem(data->isStatic()),mData(data)
861 VPath LOTShapeItem::getPath(int frameNo)
863 LottieShapeData shapeData = mData->mShape.value(frameNo);
865 if (shapeData.mPoints.empty())
870 int size = shapeData.mPoints.size();
871 const VPointF *points = shapeData.mPoints.data();
872 path.moveTo(points[0]);
873 for (int i = 1 ; i < size; i+=3) {
874 path.cubicTo(points[i], points[i+1], points[i+2]);
876 if (shapeData.mClosed)
883 LOTPolystarItem::LOTPolystarItem(LOTPolystarData *data):LOTPathDataItem(data->isStatic()),mData(data)
888 VPath LOTPolystarItem::getPath(int frameNo)
890 VPointF pos = mData->mPos.value(frameNo);
891 float points = mData->mPointCount.value(frameNo);
892 float innerRadius = mData->mInnerRadius.value(frameNo);
893 float outerRadius = mData->mOuterRadius.value(frameNo);
894 float innerRoundness = mData->mInnerRoundness.value(frameNo);
895 float outerRoundness = mData->mOuterRoundness.value(frameNo);
896 float rotation = mData->mRotation.value(frameNo);
901 if (mData->mType == LOTPolystarData::PolyType::Star) {
902 path.addPolystarStar(0.0, 0.0, 0.0, points,
903 innerRadius, outerRadius,
904 innerRoundness, outerRoundness,
905 direction(mData->isDirectionCW()));
907 path.addPolystarPolygon(0.0, 0.0, 0.0, points,
908 outerRadius, outerRoundness,
909 direction(mData->isDirectionCW()));
912 m.translate(pos.x(), pos.y()).rotate(rotation);
922 * PaintData Node handling
926 void LOTPaintDataItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
928 mContentChanged = false;
929 mParentAlpha = parentAlpha;
930 mParentMatrix = parentMatrix;
933 // 1. update the local content if needed
934 // if (!(mInit && mStaticContent)) {
936 updateContent(frameNo);
937 mContentChanged = true;
942 LOTFillItem::LOTFillItem(LOTFillData *data):LOTPaintDataItem(data->isStatic()),mData(data)
946 void LOTFillItem::updateContent(int frameNo)
948 LottieColor c = mData->mColor.value(frameNo);
949 float opacity = mData->opacity(frameNo);
950 mColor = c.toColor(opacity);
951 mFillRule = mData->fillRule();
954 void LOTFillItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
956 VColor color = mColor;
958 color.setAlpha(color.a * pathNode->combinedAlpha());
960 color.setAlpha(color.a * parentAlpha() * pathNode->combinedAlpha());
962 drawable->setBrush(brush);
963 drawable->setFillRule(mFillRule);
967 LOTGFillItem::LOTGFillItem(LOTGFillData *data):LOTPaintDataItem(data->isStatic()),mData(data)
971 void LOTGFillItem::updateContent(int frameNo)
973 mData->update(mGradient, frameNo);
974 mGradient->mMatrix = mParentMatrix;
975 mFillRule = mData->fillRule();
978 void LOTGFillItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
980 drawable->setBrush(VBrush(mGradient.get()));
981 drawable->setFillRule(mFillRule);
984 LOTStrokeItem::LOTStrokeItem(LOTStrokeData *data):LOTPaintDataItem(data->isStatic()),mData(data)
989 void LOTStrokeItem::updateContent(int frameNo)
991 LottieColor c = mData->mColor.value(frameNo);
992 float opacity = mData->opacity(frameNo);
993 mColor = c.toColor(opacity);
994 mCap = mData->capStyle();
995 mJoin = mData->joinStyle();
996 mMiterLimit = mData->meterLimit();
997 mWidth = mData->width(frameNo);
998 if (mData->hasDashInfo()) {
999 mDashArraySize = mData->getDashInfo(frameNo, mDashArray);
1003 static float getScale(const VMatrix &matrix)
1005 constexpr float SQRT_2 = 1.41421;
1007 VPointF p2(SQRT_2,SQRT_2);
1008 p1 = matrix.map(p1);
1009 p2 = matrix.map(p2);
1010 VPointF final = p2 - p1;
1012 return std::sqrt( final.x() * final.x() + final.y() * final.y());
1015 void LOTStrokeItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1017 VColor color = mColor;
1019 color.setAlpha(color.a * pathNode->combinedAlpha());
1021 color.setAlpha(color.a * parentAlpha() * pathNode->combinedAlpha());
1023 VBrush brush(color);
1024 drawable->setBrush(brush);
1026 drawable->setStrokeInfo(mCap, mJoin, mMiterLimit, mWidth * getScale(mParentMatrix));
1027 if (mDashArraySize) {
1028 drawable->setDashInfo(mDashArray, mDashArraySize);
1032 LOTGStrokeItem::LOTGStrokeItem(LOTGStrokeData *data):LOTPaintDataItem(data->isStatic()),mData(data)
1037 void LOTGStrokeItem::updateContent(int frameNo)
1039 mData->update(mGradient, frameNo);
1040 mGradient->mMatrix = mParentMatrix;
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 void LOTGStrokeItem::updateRenderNode(LOTPathDataItem *pathNode, VDrawable *drawable, bool sameParent)
1052 drawable->setBrush(VBrush(mGradient.get()));
1053 drawable->setStrokeInfo(mCap, mJoin, mMiterLimit, mWidth * getScale(mParentMatrix));
1054 if (mDashArraySize) {
1055 drawable->setDashInfo(mDashArray, mDashArraySize);
1059 LOTTrimItem::LOTTrimItem(LOTTrimData *data):mData(data)
1064 LOTRepeaterItem::LOTRepeaterItem(LOTRepeaterData *data):mData(data)
1069 void LOTRepeaterItem::update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag)
1074 void LOTRepeaterItem::renderList(std::vector<VDrawable *> &list)