ThePain/Swiftgram
1
0
Fork 0
mirror of https://github.com/Swiftgram/Telegram-iOS.git synced 2025-08-07 16:11:13 +00:00
Code Issues Packages Projects Releases Wiki Activity

rlottie: Added dynamic property change feature

Browse Source 
The keypath can handle globe(**) and wildchar(*) reg ex.
Currently only support fillcolor , fill opacity , stroke color , stroke opacity and stroke width property.
This commit is contained in:
subhransu mohanty 2019-04-23 14:59:50 +09:00 committed by Hermet Park
parent 2433238033
commit 90affa8bd1
14 changed files with 622 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
example/demo.cpp
View File

@ -45,10 +45,13 @@ main(void)
app->setup();
std::string filePath = DEMO_DIR;
filePath +="3d.json";
filePath +="circuit.json";
LottieView *view = new LottieView(app->evas());
view->setFilePath(filePath.c_str());
if (view->player()) {
view->player()->setValue<rlottie::Property::FillColor>("**", rlottie::Color(0, 1, 0));
}
view->setPos(0, 0);
view->setSize(800, 800);
view->show();

4
example/lottieview.h
View File

@ -43,6 +43,7 @@ public:
evas_object_del(renderObject());
}
RenderStrategy(Evas_Object *obj):_renderObject(obj){}
virtual rlottie::Animation *player() {return nullptr;}
virtual void loadFromFile(const char *filePath) = 0;
virtual void loadFromData(const std::string &jsonData, const std::string &key, const std::string &resourcePath) = 0;
virtual size_t totalFrame() = 0;
@ -63,7 +64,7 @@ private:
class CppApiBase : public RenderStrategy {
public:
CppApiBase(Evas_Object *renderObject): RenderStrategy(renderObject) {}
rlottie::Animation *player() {return mPlayer.get();}
void loadFromFile(const char *filePath)
{
mPlayer = rlottie::Animation::loadFromFile(filePath);
@ -283,6 +284,7 @@ public:
};
LottieView(Evas *evas, Strategy s = Strategy::renderCppAsync);
~LottieView();
rlottie::Animation *player(){return mRenderDelegate->player();}
Evas_Object *getImage();
void setSize(int w, int h);
void setPos(int x, int y);

1
example/resource/dynamic_property.json Executable file
View File

File diff suppressed because one or more lines are too long

84
inc/rlottie.h
View File

@ -51,6 +51,38 @@ struct LOTLayerNode;
namespace rlottie {
struct Color {
Color(){}
Color(float r, float g , float b):mr(r), mg(g), mb(b){}
public:
float mr{0}, mg{0}, mb{0};
};
struct Size {
Size(float w, float h):mw(w), mh(h){}
private:
float mw{0} , mh{0};
};
struct Point {
Point(float x, float y):mx(x), my(y){}
private:
float mx{0} , my{0};
};
enum class Property {
FillColor, /*!< Color property of Fill object , value type is rlottie::Color */
FillOpacity, /*!< Opacity property of Fill object , value type is float [ 0 .. 100] */
StrokeColor, /*!< Color property of Stroke object , value type is rlottie::Color */
StrokeOpacity, /*!< Opacity property of Stroke object , value type is float [ 0 .. 100] */
StrokeWidth, /*!< stroke with property of Stroke object , value type is float */
TrAnchor, /*!< Transform Anchor property of Layer and Group object , value type is rlottie::Point */
TrPosition, /*!< Transform Position property of Layer and Group object , value type is rlottie::Point */
TrScale, /*!< Transform Scale property of Layer and Group object , value type is rlottie::Size. range[0 ..100] */
TrRotation, /*!< Transform Scale property of Layer and Group object , value type is float. range[0 .. 360] in degrees*/
TrOpacity /*!< Transform Opacity property of Layer and Group object , value type is float [ 0 .. 100] */
};
class LOT_EXPORT Surface {
public:
/**
@ -336,6 +368,29 @@ public:
*/
const LayerInfoList& layers() const;
/**
* @brief Sets property value for the specified {@link KeyPath}. This {@link KeyPath} can resolve
* to multiple contents. In that case, the callback's value will apply to all of them.
*
* Keypath should conatin object names separated by (.) and can handle globe(**) or wildchar(*).
*
* @usage
* To change fillcolor property of fill1 object in the layer1->group1->fill1 hirarchy to RED color
*
* player->setValue<rlottie::Property::FillColor>("layer1.group1.fill1", rlottie::Color(1, 0, 0);
*
* if all the color property inside group1 needs to be changed to GREEN color
*
* player->setValue<rlottie::Property::FillColor>("**.group1.**", rlottie::Color(0, 1, 0);
*
* @internal
*/
template<Property prop, typename AnyValue>
void setValue(const std::string &keypath, AnyValue value)
{
setValue(std::integral_constant<ValueType, mapType(prop)>{}, prop, keypath, value);
}
/**
* @brief default destructor
*
@ -344,6 +399,34 @@ public:
~Animation();
private:
enum class ValueType {Color,Point,Size,Float};
static constexpr ValueType mapType(Property prop) {
switch (prop) {
case Property::FillColor:
case Property::StrokeColor:
return ValueType::Color;
case Property::FillOpacity:
case Property::StrokeOpacity:
case Property::StrokeWidth:
case Property::TrOpacity:
case Property::TrRotation:
return ValueType::Float;
case Property::TrAnchor:
case Property::TrPosition:
return ValueType::Point;
case Property::TrScale:
return ValueType::Size;
}
}
void setValue(std::integral_constant<ValueType, ValueType::Color>,
Property, const std::string &, Color);
void setValue(std::integral_constant<ValueType, ValueType::Float>,
Property, const std::string &, float);
void setValue(std::integral_constant<ValueType, ValueType::Size>,
Property, const std::string &, Size);
void setValue(std::integral_constant<ValueType, ValueType::Point>,
Property, const std::string &, Point);
/**
* @brief default constructor
*
@ -354,6 +437,7 @@ private:
std::unique_ptr<AnimationImpl> d;
};
} // namespace lotplayer
#endif // _RLOTTIE_H_

1
src/lottie/CMakeLists.txt
View File

@ -7,6 +7,7 @@ target_sources(rlottie
"${CMAKE_CURRENT_LIST_DIR}/lottieproxymodel.cpp"
"${CMAKE_CURRENT_LIST_DIR}/lottieparser.cpp"
"${CMAKE_CURRENT_LIST_DIR}/lottieanimation.cpp"
"${CMAKE_CURRENT_LIST_DIR}/lottiekeypath.cpp"
)
target_include_directories(rlottie

36
src/lottie/lottieanimation.cpp
View File

@ -51,6 +51,8 @@ public:
renderTree(size_t frameNo, const VSize &size);
const LayerInfoList& layerInfoList() const { return mModel->layerInfoList();}
void setValue(const std::string &keypath, LOTVariant &&value);
void removeFilter(const std::string &keypath, Property prop);
private:
std::string mFilePath;
std::shared_ptr<LOTModel> mModel;
@ -59,6 +61,12 @@ private:
std::atomic<bool> mRenderInProgress;
};
void AnimationImpl::setValue(const std::string &keypath, LOTVariant &&value)
{
if (keypath.empty()) return;
mCompItem->setValue(keypath, value);
}
const LOTLayerNode *AnimationImpl::renderTree(size_t frameNo, const VSize &size)
{
if (update(frameNo, size)) {
@ -306,6 +314,34 @@ const LayerInfoList& Animation::layers() const
return d->layerInfoList();
}
void Animation::setValue(std::integral_constant<ValueType, ValueType::Color>,Property prop,
const std::string &keypath,
Color value)
{
d->setValue(keypath, LOTVariant(prop, value));
}
void Animation::setValue(std::integral_constant<ValueType, ValueType::Float>, Property prop,
const std::string &keypath,
float value)
{
d->setValue(keypath, LOTVariant(prop, value));
}
void Animation::setValue(std::integral_constant<ValueType, ValueType::Size>,Property prop,
const std::string &keypath,
Size value)
{
d->setValue(keypath, LOTVariant(prop, value));
}
void Animation::setValue(std::integral_constant<ValueType, ValueType::Point>, Property prop,
const std::string &keypath,
Point value)
{
d->setValue(keypath, LOTVariant(prop, value));
}
Animation::Animation(): d(std::make_unique<AnimationImpl>()) {}
/*

142
src/lottie/lottieitem.cpp
View File

@ -1,4 +1,4 @@
/*
/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All rights reserved.
*
* This library is free software; you can redistribute it and/or
@ -24,6 +24,7 @@
#include "vdasher.h"
#include "vpainter.h"
#include "vraster.h"
#include "lottiekeypath.h"
/* Lottie Layer Rules
* 1. time stretch is pre calculated and applied to all the properties of the
@ -32,6 +33,45 @@
* AE. which means (start frame > endFrame) 3.
*/
static
bool transformProp(rlottie::Property prop)
{
switch (prop) {
case rlottie::Property::TrAnchor:
case rlottie::Property::TrScale:
case rlottie::Property::TrOpacity:
case rlottie::Property::TrPosition:
case rlottie::Property::TrRotation:
return true;
default:
return false;
}
}
static
bool fillProp(rlottie::Property prop)
{
switch (prop) {
case rlottie::Property::FillColor:
case rlottie::Property::FillOpacity:
return true;
default:
return false;
}
}
static
bool strokeProp(rlottie::Property prop)
{
switch (prop) {
case rlottie::Property::StrokeColor:
case rlottie::Property::StrokeOpacity:
case rlottie::Property::StrokeWidth:
return true;
default:
return false;
}
}
LOTCompItem::LOTCompItem(LOTModel *model)
: mRootModel(model), mUpdateViewBox(false), mCurFrameNo(-1)
{
@ -41,6 +81,12 @@ LOTCompItem::LOTCompItem(LOTModel *model)
mViewSize = mCompData->size();
}
void LOTCompItem::setValue(const std::string &keypath, LOTVariant &value)
{
LOTKeyPath key(keypath);
mRootLayer->resolveKeyPath(key, 0, value);
}
std::unique_ptr<LOTLayerItem>
LOTCompItem::createLayerItem(LOTLayerData *layerData)
{
@ -369,6 +415,50 @@ LOTLayerItem::LOTLayerItem(LOTLayerData *layerData): mLayerData(layerData)
mLayerMask = std::make_unique<LOTLayerMaskItem>(mLayerData);
}
bool LOTLayerItem::resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value)
{
if (!keyPath.matches(name(), depth)) {
return false;
}
if (!keyPath.skip(name())) {
if (keyPath.fullyResolvesTo(name(), depth) &&
transformProp(value.property())) {
//@TODO handle propery update.
}
}
return true;
}
bool LOTShapeLayerItem::resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value)
{
if (LOTLayerItem::resolveKeyPath(keyPath, depth, value)){
if (keyPath.propagate(name(), depth)) {
uint newDepth = keyPath.nextDepth(name(), depth);
mRoot->resolveKeyPath(keyPath, newDepth, value);
}
return true;
}
return false;
}
bool LOTCompLayerItem::resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value)
{
if (LOTLayerItem::resolveKeyPath(keyPath, depth, value)) {
if (keyPath.propagate(name(), depth)) {
uint newDepth = keyPath.nextDepth(name(), depth);
for (const auto &layer : mLayers) {
layer->resolveKeyPath( keyPath, newDepth, value);
}
}
return true;
}
return false;
}
void LOTLayerItem::updateStaticProperty()
{
if (mParentLayer) mParentLayer->updateStaticProperty();
@ -862,6 +952,56 @@ void LOTShapeLayerItem::renderList(std::vector<VDrawable *> &list)
mRoot->renderList(list);
}
bool LOTContentGroupItem::resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value)
{
if (!keyPath.matches(name(), depth)) {
return false;
}
if (!keyPath.skip(name())) {
if (keyPath.fullyResolvesTo(name(), depth) &&
transformProp(value.property())) {
//@TODO handle property update
}
}
if (keyPath.propagate(name(), depth)) {
uint newDepth = keyPath.nextDepth(name(), depth);
for (auto &child : mContents) {
child->resolveKeyPath( keyPath, newDepth, value);
}
}
return true;
}
bool LOTFillItem::resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value)
{
if (!keyPath.matches(mModel.name(), depth)) {
return false;
}
if (keyPath.fullyResolvesTo(mModel.name(), depth) &&
fillProp(value.property())) {
mModel.filter().addValue(value);
return true;
}
return false;
}
bool LOTStrokeItem::resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value)
{
if (!keyPath.matches(mModel.name(), depth)) {
return false;
}
if (keyPath.fullyResolvesTo(mModel.name(), depth) &&
strokeProp(value.property())) {
mModel.filter().addValue(value);
return true;
}
return false;
}
LOTContentGroupItem::LOTContentGroupItem(LOTGroupData *data) : mData(data)
{
addChildren(mData);

25
src/lottie/lottieitem.h
View File

@ -31,6 +31,7 @@
#include"rlottie.h"
#include"vpainter.h"
#include"vdrawable.h"
#include"lottiekeypath.h"
V_USE_NAMESPACE
@ -46,7 +47,6 @@ class LOTLayerItem;
class LOTMaskItem;
class VDrawable;
class LOTCompItem
{
public:
@ -58,6 +58,7 @@ public:
void buildRenderTree();
const LOTLayerNode * renderTree()const;
bool render(const rlottie::Surface &surface);
void setValue(const std::string &keypath, LOTVariant &value);
private:
VMatrix mScaleMatrix;
VSize mViewSize;
@ -86,11 +87,12 @@ public:
};
typedef vFlag<DirtyFlagBit> DirtyFlag;
class LOTLayerItem
{
public:
virtual ~LOTLayerItem() = default;
LOTLayerItem(LOTLayerData *layerData);
virtual ~LOTLayerItem()= default;
int id() const {return mLayerData->id();}
int parentId() const {return mLayerData->parentId();}
void setParentLayer(LOTLayerItem *parent){mParentLayer = parent;}
@ -105,6 +107,8 @@ public:
bool visible() const;
virtual void buildLayerNode();
LOTLayerNode * layerNode() const {return mLayerCNode.get();}
const std::string & name() const {return mLayerData->name();}
virtual bool resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value);
protected:
virtual void updateContent() = 0;
inline VMatrix combinedMatrix() const {return mCombinedMatrix;}
@ -136,6 +140,7 @@ public:
void updateStaticProperty() final;
void render(VPainter *painter, const VRle &mask, const VRle &matteRle) final;
void buildLayerNode() final;
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value) override;
protected:
void updateContent() final;
private:
@ -169,6 +174,7 @@ public:
static std::unique_ptr<LOTContentItem> createContentItem(LOTData *contentData);
void renderList(std::vector<VDrawable *> &list)final;
void buildLayerNode() final;
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value) override;
protected:
void updateContent() final;
std::vector<LOTNode *> mCNodeList;
@ -250,11 +256,12 @@ class LOTTrimItem;
class LOTContentItem
{
public:
virtual ~LOTContentItem()= default;
virtual ~LOTContentItem() = default;
virtual void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag) = 0;
virtual void renderList(std::vector<VDrawable *> &){}
void setParent(LOTContentItem *parent) {mParent = parent;}
LOTContentItem *parent() const {return mParent;}
virtual bool resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value) {return false;}
private:
LOTContentItem *mParent{nullptr};
};
@ -265,12 +272,18 @@ public:
LOTContentGroupItem(){}
LOTContentGroupItem(LOTGroupData *data);
void addChildren(LOTGroupData *data);
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag);
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha, const DirtyFlag &flag) override;
void applyTrim();
void processTrimItems(std::vector<LOTPathDataItem *> &list);
void processPaintItems(std::vector<LOTPathDataItem *> &list);
void renderList(std::vector<VDrawable *> &list);
void renderList(std::vector<VDrawable *> &list) override;
const VMatrix & matrix() const { return mMatrix;}
const std::string & name() const
{
static const std::string TAG = "__";
return mData ? mData->name() : TAG;
}
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value) override;
protected:
LOTGroupData *mData{nullptr};
std::vector<std::unique_ptr<LOTContentItem>> mContents;
@ -398,6 +411,7 @@ public:
protected:
void updateContent(int frameNo) final;
void updateRenderNode() final;
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value) final;
private:
LOTProxyModel<LOTFillData> mModel;
VColor mColor;
@ -424,6 +438,7 @@ public:
protected:
void updateContent(int frameNo) final;
void updateRenderNode() final;
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth, LOTVariant &value) final;
private:
LOTProxyModel<LOTStrokeData> mModel;
LOTStrokeData *mData;

81
src/lottie/lottiekeypath.cpp Normal file
View File

@ -0,0 +1,81 @@
#include "lottiekeypath.h"
#include <sstream>
LOTKeyPath::LOTKeyPath(const std::string &keyPath)
{
std::stringstream ss (keyPath);
std::string item;
while (getline (ss, item, '.')) {
mKeys.push_back (item);
}
}
bool LOTKeyPath::matches(const std::string &key, uint depth)
{
if (skip(key)) {
// This is an object we programatically create.
return true;
}
if (depth > size()) {
return false;
}
if ((mKeys[depth] == key) ||
(mKeys[depth] == "*") ||
(mKeys[depth] == "**")) {
return true;
}
return false;
}
uint LOTKeyPath::nextDepth(const std::string key, uint depth) {
if (skip(key)) {
// If it's a container then we added programatically and it isn't a part of the keypath.
return depth;
}
if ( mKeys[depth] != "**") {
// If it's not a globstar then it is part of the keypath.
return depth + 1;
}
if (depth == size()) {
// The last key is a globstar.
return depth;
}
if (mKeys[depth + 1] == key) {
// We are a globstar and the next key is our current key so consume both.
return depth + 2;
}
return depth;
}
bool LOTKeyPath::fullyResolvesTo(const std::string key, uint depth) {
if (depth > mKeys.size()) {
return false;
}
bool isLastDepth = (depth == size());
if (!isGlobstar(depth)) {
bool matches = (mKeys[depth] == key) || isGlob(depth);
return (isLastDepth || (depth == size() - 1 && endsWithGlobstar())) && matches;
}
bool isGlobstarButNextKeyMatches = !isLastDepth && mKeys[depth + 1] == key;
if (isGlobstarButNextKeyMatches) {
return depth == size() - 1 ||
(depth == size() - 2 && endsWithGlobstar());
}
if (isLastDepth) {
return true;
}
if (depth + 1 < size()) {
// We are a globstar but there is more than 1 key after the globstar we we can't fully match.
return false;
}
// Return whether the next key (which we now know is the last one) is the same as the current
// key.
return mKeys[depth + 1] == key;
}

45
src/lottie/lottiekeypath.h Normal file
View File

@ -0,0 +1,45 @@
/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LOTTIEKEYPATH_H
#define LOTTIEKEYPATH_H
#include <string>
#include <vector>
class LOTKeyPath{
public:
LOTKeyPath(const std::string &keyPath);
bool matches(const std::string &key, uint depth);
uint nextDepth(const std::string key, uint depth);
bool fullyResolvesTo(const std::string key, uint depth);
bool propagate(const std::string key, uint depth) {
return skip(key) ? true : (depth < size()) || (mKeys[depth] == "**");
}
bool skip(const std::string &key) const { return key == "__";}
private:
bool isGlobstar(uint depth) const {return mKeys[depth] == "**";}
bool isGlob(uint depth) const {return mKeys[depth] == "*";}
bool endsWithGlobstar() const { return mKeys.back() == "**"; }
uint size() const {return mKeys.size() - 1;}
private:
std::vector<std::string> mKeys;
};
#endif //LOTTIEKEYPATH_H

10
src/lottie/lottiemodel.h
View File

@ -295,7 +295,7 @@ class LOTDataVisitor;
class LOTData
{
public:
enum class Type {
enum class Type :short {
Composition = 1,
Layer,
ShapeGroup,
@ -316,10 +316,12 @@ public:
bool isStatic() const{return mStatic;}
void setStatic(bool value) {mStatic = value;}
bool hidden() const {return mHidden;}
const std::string& name() const{ return mName;}
public:
bool mStatic{true};
bool mHidden{false};
LOTData::Type mType;
std::string mName;
bool mStatic{true};
bool mHidden{false};
LOTData::Type mType;
};
class LOTGroupData: public LOTData

78
src/lottie/lottieparser.cpp
View File

@ -748,6 +748,7 @@ void LottieParserImpl::parseLayers(LOTCompositionData *comp)
comp->mRootLayer->mRoot = true;
comp->mRootLayer->mLayerType = LayerType::Precomp;
comp->mRootLayer->mTransform = std::make_shared<LOTTransformData>();
comp->mRootLayer->mName = std::string("__");
bool staticFlag = true;
RAPIDJSON_ASSERT(PeekType() == kArrayType);
EnterArray();
@ -857,7 +858,7 @@ std::shared_ptr<LOTData> LottieParserImpl::parseLayer(bool record)
layer->mLayerType = getLayerType();
} else if (0 == strcmp(key, "nm")) { /*Layer name*/
RAPIDJSON_ASSERT(PeekType() == kStringType);
layerName = GetString();
layer->mName = GetString();
} else if (0 == strcmp(key, "ind")) { /*Layer index in AE. Used for
parenting and expressions.*/
RAPIDJSON_ASSERT(PeekType() == kNumberType);
@ -939,7 +940,7 @@ std::shared_ptr<LOTData> LottieParserImpl::parseLayer(bool record)
layer->mCompRef = compRef;
if (record) {
mLayerInfoList.push_back(LayerInfo(layerName, layer->mInFrame, layer->mOutFrame));
mLayerInfoList.push_back(LayerInfo(layer->mName, layer->mInFrame, layer->mOutFrame));
}
return sharedLayer;
}
@ -1070,7 +1071,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseGroupObject()
LOTShapeGroupData *group = sharedGroup.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "it")) {
if (0 == strcmp(key, "nm")) {
group->mName = GetString();
} else if (0 == strcmp(key, "it")) {
RAPIDJSON_ASSERT(PeekType() == kArrayType);
EnterArray();
while (NextArrayValue()) {
@ -1105,7 +1108,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseRectObject()
LOTRectData * obj = sharedRect.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "p")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "p")) {
parseProperty(obj->mPos);
} else if (0 == strcmp(key, "s")) {
parseProperty(obj->mSize);
@ -1134,7 +1139,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseEllipseObject()
LOTEllipseData *obj = sharedEllipse.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "p")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "p")) {
parseProperty(obj->mPos);
} else if (0 == strcmp(key, "s")) {
parseProperty(obj->mSize);
@ -1160,7 +1167,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseShapeObject()
LOTShapeData *obj = sharedShape.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "ks")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "ks")) {
parseShapeProperty(obj->mShape);
} else if (0 == strcmp(key, "d")) {
obj->mDirection = GetInt();
@ -1188,7 +1197,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parsePolystarObject()
LOTPolystarData *obj = sharedPolystar.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "p")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "p")) {
parseProperty(obj->mPos);
} else if (0 == strcmp(key, "pt")) {
parseProperty(obj->mPointCount);
@ -1251,7 +1262,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseTrimObject()
LOTTrimData * obj = sharedTrim.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "s")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "s")) {
parseProperty(obj->mStart);
} else if (0 == strcmp(key, "e")) {
parseProperty(obj->mEnd);
@ -1280,7 +1293,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseReapeaterObject()
LOTRepeaterData *obj = sharedRepeater.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "c")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "c")) {
parseProperty(obj->mCopies);
float maxCopy= 0.0;
if (!obj->mCopies.isStatic()) {
@ -1326,7 +1341,9 @@ std::shared_ptr<LOTTransformData> LottieParserImpl::parseTransformObject(bool dd
if (ddd) obj->m3D = std::make_unique<LOT3DData>();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "a")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "a")) {
parseProperty(obj->mAnchor);
} else if (0 == strcmp(key, "p")) {
EnterObject();
@ -1394,7 +1411,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseFillObject()
LOTFillData * obj = sharedFill.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "c")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "c")) {
parseProperty(obj->mColor);
} else if (0 == strcmp(key, "o")) {
parseProperty(obj->mOpacity);
@ -1480,7 +1499,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseStrokeObject()
LOTStrokeData *obj = sharedStroke.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "c")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "c")) {
parseProperty(obj->mColor);
} else if (0 == strcmp(key, "o")) {
parseProperty(obj->mOpacity);
@ -1561,7 +1582,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseGFillObject()
LOTGFillData *obj = sharedGFill.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "r")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "r")) {
obj->mFillRule = getFillRule();
} else {
parseGradientProperty(obj, key);
@ -1607,7 +1630,9 @@ std::shared_ptr<LOTData> LottieParserImpl::parseGStrokeObject()
LOTGStrokeData *obj = sharedGStroke.get();
while (const char *key = NextObjectKey()) {
if (0 == strcmp(key, "w")) {
if (0 == strcmp(key, "nm")) {
obj->mName = GetString();
} else if (0 == strcmp(key, "w")) {
parseProperty(obj->mWidth);
} else if (0 == strcmp(key, "lc")) {
obj->mCapStyle = getLineCap();
@ -2077,6 +2102,7 @@ public:
vDebug << level
<< "{ "
<< layerType(obj->mLayerType)
<< ", name: "<< obj->name()
<< ", id:" << obj->mId << " Pid:" << obj->mParentId
<< ", a:" << !obj->isStatic()
<< ", "<<matteType(obj->mMatteType)
@ -2120,7 +2146,7 @@ public:
switch (obj->mType) {
case LOTData::Type::Repeater: {
auto r = static_cast<LOTRepeaterData *>(obj);
vDebug << level << "{ Repeater: a:" << !obj->isStatic()
vDebug << level << "{ Repeater: name: "<<obj->name()<<" , a:" << !obj->isStatic()
<< ", copies:" << r->maxCopies()
<< ", offset:" << r->offset(0);
visitChildren(static_cast<LOTGroupData *>(obj), level);
@ -2128,7 +2154,7 @@ public:
break;
}
case LOTData::Type::ShapeGroup: {
vDebug << level << "{ ShapeGroup: a:" << !obj->isStatic();
vDebug << level << "{ ShapeGroup: name: "<<obj->name()<<" , a:" << !obj->isStatic();
visitChildren(static_cast<LOTGroupData *>(obj), level);
vDebug << level << "} ShapeGroup";
break;
@ -2138,44 +2164,44 @@ public:
break;
}
case LOTData::Type::Trim:{
vDebug << level << "{ Trim: a:" << !obj->isStatic() << " }";
vDebug << level << "{ Trim: name: "<<obj->name()<<" , a:" << !obj->isStatic() << " }";
break;
}
case LOTData::Type::Rect:{
vDebug << level << "{ Rect: a:" << !obj->isStatic() << " }";
vDebug << level << "{ Rect: name: "<<obj->name()<<" , a:" << !obj->isStatic() << " }";
break;
}
case LOTData::Type::Ellipse:{
vDebug << level << "{ Ellipse: a:" << !obj->isStatic() << " }";
vDebug << level << "{ Ellipse: name: "<<obj->name()<<" , a:" << !obj->isStatic() << " }";
break;
}
case LOTData::Type::Shape:{
vDebug << level << "{ Shape: a:" << !obj->isStatic() << " }";
vDebug << level << "{ Shape: name: "<<obj->name()<<" , a:" << !obj->isStatic() << " }";
break;
}
case LOTData::Type::Polystar:{
vDebug << level << "{ Polystar: a:" << !obj->isStatic() << " }";
vDebug << level << "{ Polystar: name: "<<obj->name()<<" , a:" << !obj->isStatic() << " }";
break;
}
case LOTData::Type::Transform:{
vDebug << level << "{ Transform: a: " << !obj->isStatic() << " }";
vDebug << level << "{ Transform: name: "<<obj->name()<<" , a: " << !obj->isStatic() << " }";
break;
}
case LOTData::Type::Stroke:{
vDebug << level << "{ Stroke: a:" << !obj->isStatic() << " }";
vDebug << level << "{ Stroke: name: "<<obj->name()<<" , a:" << !obj->isStatic() << " }";
break;
}
case LOTData::Type::GStroke:{
vDebug << level << "{ GStroke: a:" << !obj->isStatic() << " }";
vDebug << level << "{ GStroke: name: "<<obj->name()<<" , a:" << !obj->isStatic() << " }";
break;
}
case LOTData::Type::Fill:{
vDebug << level << "{ Fill: a:" << !obj->isStatic() << " }";
vDebug << level << "{ Fill: name: "<<obj->name()<<" , a:" << !obj->isStatic() << " }";
break;
}
case LOTData::Type::GFill:{
auto f = static_cast<LOTGFillData *>(obj);
vDebug << level << "{ GFill: a:" << !f->isStatic()
vDebug << level << "{ GFill: name: "<<obj->name()<<" , a:" << !f->isStatic()
<< ", ty:" << f->mGradientType << ", s:" << f->mStartPoint.value(0)
<< ", e:" << f->mEndPoint.value(0) << " }";
break;

156
src/lottie/lottieproxymodel.h
View File

@ -19,21 +19,131 @@
#ifndef LOTTIEPROXYMODEL_H
#define LOTTIEPROXYMODEL_H
#include<bitset>
#include "lottiemodel.h"
#include "rlottie.h"
// Naive way to implement std::variant
// refactor it when we move to c++17
// users should make sure proper combination
// of id and value are passed while creating the object.
class LOTVariant
{
public:
enum Type {Color, Point, Size, Float};
LOTVariant(rlottie::Property prop, float v):property_(prop),valueType_(Type::Float),value_(v){}
LOTVariant(rlottie::Property prop, rlottie::Color col):property_(prop),valueType_(Type::Color),color_(col){}
LOTVariant(rlottie::Property prop, rlottie::Point pt):property_(prop),valueType_(Type::Point),pos_(pt){}
LOTVariant(rlottie::Property prop, rlottie::Size sz):property_(prop),valueType_(Type::Size),size_(sz){}
Type type() const {return valueType_;}
rlottie::Property property() const {return property_;}
float value() const {return value_;}
rlottie::Color color() const {return color_;}
rlottie::Point pos() const {return pos_;}
rlottie::Size size() const {return size_;}
public:
rlottie::Property property_;
Type valueType_;
union {
float value_;
rlottie::Color color_;
rlottie::Point pos_;
rlottie::Size size_;
};
};
class LOTFilter
{
public:
void addValue(LOTVariant &value)
{
uint index = static_cast<uint>(value.property());
if (mBitset.test(index)) {
for (uint i=0; i < mFilters.size(); i++ ) {
if (mFilters[i].property() == value.property()) {
mFilters[i] = value;
break;
}
}
} else {
mBitset.set(index);
mFilters.push_back(value);
}
}
void removeValue(LOTVariant &value)
{
uint index = static_cast<uint>(value.property());
if (mBitset.test(index)) {
mBitset.reset(index);
for (uint i=0; i < mFilters.size(); i++ ) {
if (mFilters[i].property() == value.property()) {
mFilters.erase(mFilters.begin() + i);
break;
}
}
}
}
bool hasFilter(rlottie::Property prop) const
{
return mBitset.test(static_cast<uint>(prop));
}
LottieColor color(rlottie::Property prop) const
{
rlottie::Color col = data(prop).color();
return LottieColor(col.mr, col.mg, col.mb);
}
float opacity(rlottie::Property prop) const
{
float val = data(prop).value();
return val/100;
}
float value(rlottie::Property prop) const
{
return data(prop).value();
}
private:
LOTVariant data(rlottie::Property prop) const
{
for (uint i=0; i < mFilters.size(); i++ ) {
if (mFilters[i].property() == prop) {
return mFilters[i];
}
}
return LOTVariant(prop, 0);
}
std::vector<LOTVariant> mFilters;
std::bitset<32> mBitset{0};
};
template <typename T>
class LOTProxyModel
{
public:
LOTProxyModel(T *model): _modelData(model) {}
void addValueProvider() {/* Impement*/}
void removeValueProvider() {/* Impement*/}
bool hasValueProvider() {return false;}
LottieColor color(int frame) const { return _modelData->color(frame);}
float opacity(int frame) const { return _modelData->opacity(frame);}
FillRule fillRule() const {return _modelData->fillRule();}
float strokeWidth(int frame) const {return _modelData->strokeWidth(frame);}
LOTFilter& filter() {return mFilter;}
const std::string & name() const {return _modelData->name();}
LottieColor color(int frame) const
{
if (mFilter.hasFilter(rlottie::Property::StrokeColor)) {
return mFilter.color(rlottie::Property::StrokeColor);
}
return _modelData->color(frame);
}
float opacity(int frame) const
{
if (mFilter.hasFilter(rlottie::Property::StrokeOpacity)) {
return mFilter.opacity(rlottie::Property::StrokeOpacity);
}
return _modelData->opacity(frame);
}
float strokeWidth(int frame) const
{
if (mFilter.hasFilter(rlottie::Property::StrokeWidth)) {
return mFilter.value(rlottie::Property::StrokeWidth);
}
return _modelData->strokeWidth(frame);
}
float meterLimit() const {return _modelData->meterLimit();}
CapStyle capStyle() const {return _modelData->capStyle();}
JoinStyle joinStyle() const {return _modelData->joinStyle();}
@ -41,7 +151,35 @@ public:
int getDashInfo(int frameNo, float *array) const {return _modelData->getDashInfo(frameNo, array);}
private:
T *_modelData;
T *_modelData;
LOTFilter mFilter;
};
template <>
class LOTProxyModel<LOTFillData>
{
public:
LOTProxyModel(LOTFillData *model): _modelData(model) {}
LOTFilter& filter() {return mFilter;}
const std::string & name() const {return _modelData->name();}
LottieColor color(int frame) const
{
if (mFilter.hasFilter(rlottie::Property::FillColor)) {
return mFilter.color(rlottie::Property::FillColor);
}
return _modelData->color(frame);
}
float opacity(int frame) const
{
if (mFilter.hasFilter(rlottie::Property::FillOpacity)) {
return mFilter.opacity(rlottie::Property::FillOpacity);
}
return _modelData->opacity(frame);
}
FillRule fillRule() const {return _modelData->fillRule();}
private:
LOTFillData *_modelData;
LOTFilter mFilter;
};
#endif // LOTTIEITEM_H

1
src/lottie/meson.build
View File

@ -5,6 +5,7 @@ source_file += files('lottiemodel.cpp')
source_file += files('lottieproxymodel.cpp')
source_file += files('lottieanimation.cpp')
source_file += files('lottieitem.cpp')
source_file += files('lottiekeypath.cpp')
lottie_dep = declare_dependency(