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example: refactor lottieview to test both c and cpp api

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This commit is contained in:
subhransu mohanty 2019-04-17 16:47:11 +09:00 committed by Subhransu
parent e0d60eb058
commit 6efe7e23f5
6 changed files with 506 additions and 344 deletions
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2
example/demo.cpp
View File

@ -45,7 +45,7 @@ main(void)
app->setup();
std::string filePath = DEMO_DIR;
filePath +="image_test.json";
filePath +="3d.json";
LottieView *view = new LottieView(app->evas());
view->setFilePath(filePath.c_str());

347
example/lottieview.cpp
View File

@ -34,222 +34,7 @@ animator(void *data , double pos)
return EINA_TRUE;
}
void LottieView::createVgNode(LOTNode *node, Efl_VG *root)
{
Efl_VG *shape = evas_vg_shape_add(root);
//0: Path
const float *data = node->mPath.ptPtr;
if (!data) return;
for (int i = 0; i < node->mPath.elmCount; i++) {
switch (node->mPath.elmPtr[i]) {
case 0:
evas_vg_shape_append_move_to(shape, data[0], data[1]);
data += 2;
break;
case 1:
evas_vg_shape_append_line_to(shape, data[0], data[1]);
data += 2;
break;
case 2:
evas_vg_shape_append_cubic_to(shape, data[0], data[1], data[2], data[3], data[4], data[5]);
data += 6;
break;
case 3:
evas_vg_shape_append_close(shape);
break;
default:
break;
}
}
//1: Stroke
if (node->mStroke.enable) {
//Stroke Width
evas_vg_shape_stroke_width_set(shape, node->mStroke.width);
//Stroke Cap
Efl_Gfx_Cap cap;
switch (node->mStroke.cap) {
case CapFlat: cap = EFL_GFX_CAP_BUTT; break;
case CapSquare: cap = EFL_GFX_CAP_SQUARE; break;
case CapRound: cap = EFL_GFX_CAP_ROUND; break;
default: cap = EFL_GFX_CAP_BUTT; break;
}
evas_vg_shape_stroke_cap_set(shape, cap);
//Stroke Join
Efl_Gfx_Join join;
switch (node->mStroke.join) {
case JoinMiter: join = EFL_GFX_JOIN_MITER; break;
case JoinBevel: join = EFL_GFX_JOIN_BEVEL; break;
case JoinRound: join = EFL_GFX_JOIN_ROUND; break;
default: join = EFL_GFX_JOIN_MITER; break;
}
evas_vg_shape_stroke_join_set(shape, join);
//Stroke Dash
if (node->mStroke.dashArraySize > 0) {
int size = (node->mStroke.dashArraySize / 2);
Efl_Gfx_Dash *dash = static_cast<Efl_Gfx_Dash*>(malloc(sizeof(Efl_Gfx_Dash) * size));
if (dash) {
for (int i = 0; i <= size; i+=2) {
dash[i].length = node->mStroke.dashArray[i];
dash[i].gap = node->mStroke.dashArray[i + 1];
}
evas_vg_shape_stroke_dash_set(shape, dash, size);
free(dash);
}
}
}
//2: Fill Method
switch (node->mBrushType) {
case BrushSolid: {
float pa = ((float)node->mColor.a) / 255;
int r = (int)(((float) node->mColor.r) * pa);
int g = (int)(((float) node->mColor.g) * pa);
int b = (int)(((float) node->mColor.b) * pa);
int a = node->mColor.a;
if (node->mStroke.enable)
evas_vg_shape_stroke_color_set(shape, r, g, b, a);
else
evas_vg_node_color_set(shape, r, g, b, a);
break;
}
case BrushGradient: {
Efl_VG* grad = NULL;
if (node->mGradient.type == GradientLinear) {
grad = evas_vg_gradient_linear_add(root);
evas_vg_gradient_linear_start_set(grad, node->mGradient.start.x, node->mGradient.start.y);
evas_vg_gradient_linear_end_set(grad, node->mGradient.end.x, node->mGradient.end.y);
}
else if (node->mGradient.type == GradientRadial) {
grad = evas_vg_gradient_radial_add(root);
evas_vg_gradient_radial_center_set(grad, node->mGradient.center.x, node->mGradient.center.y);
evas_vg_gradient_radial_focal_set(grad, node->mGradient.focal.x, node->mGradient.focal.y);
evas_vg_gradient_radial_radius_set(grad, node->mGradient.cradius);
}
if (grad) {
//Gradient Stop
Efl_Gfx_Gradient_Stop* stops = static_cast<Efl_Gfx_Gradient_Stop*>(malloc(sizeof(Efl_Gfx_Gradient_Stop) * node->mGradient.stopCount));
if (stops) {
for (unsigned int i = 0; i < node->mGradient.stopCount; i++) {
stops[i].offset = node->mGradient.stopPtr[i].pos;
float pa = ((float)node->mGradient.stopPtr[i].a) / 255;
stops[i].r = (int)(((float)node->mGradient.stopPtr[i].r) * pa);
stops[i].g = (int)(((float)node->mGradient.stopPtr[i].g) * pa);
stops[i].b = (int)(((float)node->mGradient.stopPtr[i].b) * pa);
stops[i].a = node->mGradient.stopPtr[i].a;
}
evas_vg_gradient_stop_set(grad, stops, node->mGradient.stopCount);
free(stops);
}
if (node->mStroke.enable)
evas_vg_shape_stroke_fill_set(shape, grad);
else
evas_vg_shape_fill_set(shape, grad);
}
break;
}
default:
break;
}
//3: Fill Rule
if (node->mFillRule == FillEvenOdd)
efl_gfx_shape_fill_rule_set(shape, EFL_GFX_FILL_RULE_ODD_EVEN);
else if (node->mFillRule == FillWinding)
efl_gfx_shape_fill_rule_set(shape, EFL_GFX_FILL_RULE_WINDING);
}
void LottieView::update(const std::vector<LOTNode *> &renderList)
{
Efl_VG *root = evas_vg_container_add(mVg);
for(auto i : renderList) {
createVgNode(i, root);
}
evas_object_vg_root_node_set(mVg, root);
}
void LottieView::updateTree(const LOTLayerNode * node)
{
Efl_VG *root = evas_vg_container_add(mVg);
update(node, root);
evas_object_vg_root_node_set(mVg, root);
}
void LottieView::update(const LOTLayerNode * node, Efl_VG *parent)
{
// if the layer is invisible return
if (!node->mVisible) return;
// check if this layer is a container layer
bool hasMatte = false;
if (node->mLayerList.size) {
for (unsigned int i = 0; i < node->mLayerList.size; i++) {
if (hasMatte) {
hasMatte = false;
continue;
}
// if the layer has matte then
// the next layer has to be rendered using this layer
// as matte source
if (node->mLayerList.ptr[i]->mMatte != MatteNone) {
hasMatte = true;
printf("Matte is not supported Yet\n");
continue;
}
update(node->mLayerList.ptr[i], parent);
}
}
// check if this layer has drawable
if (node->mNodeList.size) {
for (unsigned int i = 0; i < node->mNodeList.size; i++) {
createVgNode(node->mNodeList.ptr[i], parent);
}
}
}
static void mImageDelCb(void *data, Evas *evas, Evas_Object *obj, void *)
{
LottieView *lottie = (LottieView *)data;
if (lottie->mImage != obj) return;
lottie->mImage = NULL;
lottie->stop();
}
static void mVgDelCb(void *data, Evas *evas, Evas_Object *obj, void *)
{
LottieView *lottie = (LottieView *)data;
if (lottie->mVg != obj) return;
lottie->mVg = NULL;
lottie->stop();
}
void LottieView::initializeBufferObject(Evas *evas)
{
if (mRenderMode) {
mImage = evas_object_image_filled_add(evas);
evas_object_image_colorspace_set(mImage, EVAS_COLORSPACE_ARGB8888);
evas_object_image_alpha_set(mImage, EINA_TRUE);
evas_object_event_callback_add(mImage, EVAS_CALLBACK_DEL, mImageDelCb, this);
} else {
mVg = evas_object_vg_add(evas);
evas_object_event_callback_add(mVg, EVAS_CALLBACK_DEL, mVgDelCb, this);
}
}
LottieView::LottieView(Evas *evas, bool renderMode, bool asyncRender):mVg(nullptr), mImage(nullptr)
{
mPlayer = nullptr;
LottieView::LottieView(Evas *evas, Strategy s) {
mPalying = false;
mReverse = false;
mRepeatCount = 0;
@ -257,86 +42,66 @@ LottieView::LottieView(Evas *evas, bool renderMode, bool asyncRender):mVg(nullpt
mLoop = false;
mSpeed = 1;
mEvas = evas;
mRenderMode = renderMode;
mAsyncRender = asyncRender;
initializeBufferObject(evas);
switch (s) {
case Strategy::renderCpp: {
mRenderDelegate = std::make_unique<RlottieRenderStrategy_CPP>(evas);
break;
}
case Strategy::renderCppAsync: {
mRenderDelegate = std::make_unique<RlottieRenderStrategy_CPP_ASYNC>(evas);
break;
}
case Strategy::renderC: {
mRenderDelegate = std::make_unique<RlottieRenderStrategy_C>(evas);
break;
}
case Strategy::renderCAsync: {
mRenderDelegate = std::make_unique<RlottieRenderStrategy_C_ASYNC>(evas);
break;
}
case Strategy::eflVg: {
mRenderDelegate = std::make_unique<EflVgRenderStrategy>(evas);
break;
}
default:
mRenderDelegate = std::make_unique<RlottieRenderStrategy_CPP>(evas);
break;
}
}
LottieView::~LottieView()
{
if (mRenderTask.valid())
mRenderTask.get();
if (mAnimator) ecore_animator_del(mAnimator);
if (mVg) evas_object_del(mVg);
if (mImage) evas_object_del(mImage);
}
Evas_Object *LottieView::getImage() {
if (mRenderMode) {
return mImage;
} else {
return mVg;
}
return mRenderDelegate->renderObject();
}
void LottieView::show()
{
if (mRenderMode) {
evas_object_show(mImage);
} else {
evas_object_show(mVg);
}
mRenderDelegate->show();
seek(0);
}
void LottieView::hide()
{
if (mRenderMode) {
evas_object_hide(mImage);
} else {
evas_object_hide(mVg);
}
mRenderDelegate->hide();
}
void LottieView::seek(float pos)
{
if (!mPlayer) return;
if (!mRenderDelegate) return;
mPos = mapProgress(pos);
// check if the pos maps to the current frame
if (mCurFrame == mPlayer->frameAtPos(mPos)) return;
if (mCurFrame == mRenderDelegate->frameAtPos(mPos)) return;
mCurFrame = mPlayer->frameAtPos(mPos);
mCurFrame = mRenderDelegate->frameAtPos(mPos);
if (mRenderMode) {
int width , height;
evas_object_image_size_get(mImage, &width, &height);
if (mAsyncRender) {
if (mRenderTask.valid()) return;
mDirty = true;
auto buffer = (uint32_t *)evas_object_image_data_get(mImage, EINA_TRUE);
size_t bytesperline = evas_object_image_stride_get(mImage);
rlottie::Surface surface(buffer, width, height, bytesperline);
mRenderTask = mPlayer->render(mCurFrame, surface);
// to force a redraw
evas_object_image_data_update_add(mImage, 0 , 0, surface.width(), surface.height());
} else {
auto buffer = (uint32_t *)evas_object_image_data_get(mImage, EINA_TRUE);
size_t bytesperline = evas_object_image_stride_get(mImage);
rlottie::Surface surface(buffer, width, height, bytesperline);
mPlayer->renderSync(mCurFrame, surface);
evas_object_image_data_set(mImage, surface.buffer());
evas_object_image_data_update_add(mImage, 0 , 0, surface.width(), surface.height());
}
} else {
const LOTLayerNode *root = mPlayer->renderTree(mCurFrame, mw, mh);
updateTree(root);
}
mRenderDelegate->renderRequest(mCurFrame);
}
float LottieView::getPos()
@ -346,57 +111,27 @@ float LottieView::getPos()
void LottieView::render()
{
if (!mPlayer) return;
if (!mDirty) return;
mDirty = false;
if (mRenderMode) {
if (!mRenderTask.valid()) return;
auto surface = mRenderTask.get();
evas_object_image_data_set(mImage, surface.buffer());
evas_object_image_data_update_add(mImage, 0 , 0, surface.width(), surface.height());
}
mRenderDelegate->renderFlush();
}
void LottieView::setFilePath(const char *filePath)
{
if (mPlayer = Animation::loadFromFile(filePath)) {
mFrameRate = mPlayer->frameRate();
mTotalFrame = mPlayer->totalFrame();
} else {
printf("load failed file %s\n", filePath);
}
mRenderDelegate->loadFromFile(filePath);
}
void LottieView::loadFromData(const std::string &jsonData, const std::string &key, const std::string &resourcePath)
{
if (mPlayer = Animation::loadFromData(jsonData, key, resourcePath)) {
mFrameRate = mPlayer->frameRate();
mTotalFrame = mPlayer->totalFrame();
} else {
printf("load failed from data key : %s\n", key.c_str());
}
mRenderDelegate->loadFromData(jsonData, key, resourcePath);
}
void LottieView::setSize(int w, int h)
{
mw = w; mh = h;
mRenderDelegate->resize(w, h);
}
if (mRenderMode) {
evas_object_resize(mImage, w, h);
evas_object_image_size_set(mImage, w, h);
} else {
evas_object_resize(mVg, w, h);
}
}
void LottieView::setPos(int x, int y)
{
if (mRenderMode) {
evas_object_move(mImage, x, y);
} else {
evas_object_move(mVg, x, y);
}
mRenderDelegate->setPos(x, y);
}
void LottieView::finished()
@ -421,8 +156,6 @@ void LottieView::setRepeatMode(LottieView::RepeatMode mode)
void LottieView::play()
{
if (!mPlayer) return;
if (mAnimator) ecore_animator_del(mAnimator);
mAnimator = ecore_animator_timeline_add(duration()/mSpeed, animator, this);
mReverse = false;
@ -446,8 +179,6 @@ void LottieView::stop()
void LottieView::restart()
{
if (!mPlayer) return;
mCurCount--;
if (mLoop || mRepeatCount) {
if (mRepeatMode == LottieView::RepeatMode::Reverse)

463
example/lottieview.h
View File

@ -36,6 +36,244 @@
#include "rlottie_capi.h"
#include<future>
#include <cmath>
class RenderStrategy {
public:
virtual ~RenderStrategy() {
evas_object_del(renderObject());
}
RenderStrategy(Evas_Object *obj):_renderObject(obj){}
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;
virtual double frameRate() = 0;
virtual size_t frameAtPos(double pos) = 0;
virtual double duration() = 0;
virtual void renderRequest(int frame) = 0;
virtual void renderFlush() {}
virtual void resize(int width, int height) = 0;
virtual void setPos(int x, int y) {evas_object_move(renderObject(), x, y);}
void show() {evas_object_show(_renderObject);}
void hide() {evas_object_hide(_renderObject);}
Evas_Object* renderObject() const {return _renderObject;}
private:
Evas_Object *_renderObject;
};
class CppApiBase : public RenderStrategy {
public:
CppApiBase(Evas_Object *renderObject): RenderStrategy(renderObject) {}
void loadFromFile(const char *filePath)
{
mPlayer = rlottie::Animation::loadFromFile(filePath);
if (!mPlayer) {
printf("load failed file %s\n", filePath);
}
}
void loadFromData(const std::string &jsonData, const std::string &key, const std::string &resourcePath)
{
mPlayer = rlottie::Animation::loadFromData(jsonData, key, resourcePath);
if (!mPlayer) {
printf("load failed from data\n");
}
}
size_t totalFrame() {
return mPlayer->totalFrame();
}
double duration() {
return mPlayer->duration();
}
double frameRate() {
return mPlayer->frameRate();
}
size_t frameAtPos(double pos) {
return mPlayer->frameAtPos(pos);
}
protected:
std::unique_ptr<rlottie::Animation> mPlayer;
};
class RlottieRenderStrategyCBase : public RenderStrategy {
public:
RlottieRenderStrategyCBase(Evas *evas):RenderStrategy(evas_object_image_filled_add(evas)) {
evas_object_image_colorspace_set(renderObject(), EVAS_COLORSPACE_ARGB8888);
evas_object_image_alpha_set(renderObject(), EINA_TRUE);
}
void resize(int width, int height) {
evas_object_resize(renderObject(), width, height);
evas_object_image_size_set(renderObject(), width, height);
}
};
class RlottieRenderStrategy : public CppApiBase {
public:
RlottieRenderStrategy(Evas *evas):CppApiBase(evas_object_image_filled_add(evas)) {
evas_object_image_colorspace_set(renderObject(), EVAS_COLORSPACE_ARGB8888);
evas_object_image_alpha_set(renderObject(), EINA_TRUE);
}
void resize(int width, int height) {
evas_object_resize(renderObject(), width, height);
evas_object_image_size_set(renderObject(), width, height);
}
};
class RlottieRenderStrategy_CPP : public RlottieRenderStrategy {
public:
RlottieRenderStrategy_CPP(Evas *evas):RlottieRenderStrategy(evas) {}
void renderRequest(int frame) {
int width , height;
Evas_Object *image = renderObject();
evas_object_image_size_get(image, &width, &height);
auto buffer = (uint32_t *)evas_object_image_data_get(image, EINA_TRUE);
size_t bytesperline = evas_object_image_stride_get(image);
rlottie::Surface surface(buffer, width, height, bytesperline);
mPlayer->renderSync(frame, surface);
evas_object_image_data_set(image, surface.buffer());
evas_object_image_data_update_add(image, 0 , 0, surface.width(), surface.height());
}
};
class RlottieRenderStrategy_CPP_ASYNC : public RlottieRenderStrategy_CPP {
public:
RlottieRenderStrategy_CPP_ASYNC(Evas *evas):RlottieRenderStrategy_CPP(evas) {}
~RlottieRenderStrategy_CPP_ASYNC() {
if (mRenderTask.valid())
mRenderTask.get();
}
void renderRequest(int frame) {
if (mRenderTask.valid()) return;
mDirty = true;
int width , height;
Evas_Object *image = renderObject();
evas_object_image_size_get(image, &width, &height);
auto buffer = (uint32_t *)evas_object_image_data_get(image, EINA_TRUE);
size_t bytesperline = evas_object_image_stride_get(image);
rlottie::Surface surface(buffer, width, height, bytesperline);
mRenderTask = mPlayer->render(frame, surface);
// to force a redraw
evas_object_image_data_update_add(renderObject(), 0 , 0, surface.width(), surface.height());
}
void renderFlush() {
if (!mDirty) return;
if (!mRenderTask.valid()) return;
auto surface = mRenderTask.get();
evas_object_image_data_set(renderObject(), surface.buffer());
evas_object_image_data_update_add(renderObject(), 0 , 0, surface.width(), surface.height());
mDirty = false;
}
private:
std::future<rlottie::Surface> mRenderTask;
bool mDirty{true};
};
class RlottieRenderStrategy_C : public RlottieRenderStrategyCBase {
public:
RlottieRenderStrategy_C(Evas *evas):RlottieRenderStrategyCBase(evas) {}
~RlottieRenderStrategy_C() {
if (mPlayer) lottie_animation_destroy(mPlayer);
}
void loadFromFile(const char *filePath)
{
mPlayer = lottie_animation_from_file(filePath);
if (!mPlayer) {
printf("load failed file %s\n", filePath);
}
}
void loadFromData(const std::string &jsonData, const std::string &key, const std::string &resourcePath)
{
mPlayer = lottie_animation_from_data(jsonData.c_str(), key.c_str(), resourcePath.c_str());
if (!mPlayer) {
printf("load failed from data\n");
}
}
size_t totalFrame() {
return lottie_animation_get_totalframe(mPlayer);
}
double frameRate() {
return lottie_animation_get_framerate(mPlayer);
}
size_t frameAtPos(double pos) {
return lottie_animation_get_frame_at_pos(mPlayer, pos);
}
double duration() {
return lottie_animation_get_duration(mPlayer);
}
void renderRequest(int frame) {
int width , height;
Evas_Object *image = renderObject();
evas_object_image_size_get(image, &width, &height);
auto buffer = (uint32_t *)evas_object_image_data_get(image, EINA_TRUE);
size_t bytesperline = evas_object_image_stride_get(image);
lottie_animation_render_async(mPlayer, frame, buffer, width, height, bytesperline);
lottie_animation_render_flush(mPlayer);
evas_object_image_data_set(image, buffer);
evas_object_image_data_update_add(image, 0 , 0, width, height);
}
protected:
Lottie_Animation *mPlayer;
};
class RlottieRenderStrategy_C_ASYNC : public RlottieRenderStrategy_C {
public:
RlottieRenderStrategy_C_ASYNC(Evas *evas):RlottieRenderStrategy_C(evas) {}
~RlottieRenderStrategy_C_ASYNC() {
if (mDirty) lottie_animation_render_flush(mPlayer);
}
void renderRequest(int frame) {
if (mDirty) return;
mDirty = true;
Evas_Object *image = renderObject();
evas_object_image_size_get(image, &mWidth, &mHeight);
mBuffer = (uint32_t *)evas_object_image_data_get(image, EINA_TRUE);
size_t bytesperline = evas_object_image_stride_get(image);
lottie_animation_render_async(mPlayer, frame, mBuffer, mWidth, mHeight, bytesperline);
// to force a redraw
evas_object_image_data_update_add(renderObject(), 0 , 0, mWidth, mWidth);
}
void renderFlush() {
if (!mDirty) return;
lottie_animation_render_flush(mPlayer);
evas_object_image_data_set(renderObject(), mBuffer);
evas_object_image_data_update_add(renderObject(), 0 , 0, mWidth, mHeight);
mDirty = false;
}
private:
uint32_t * mBuffer;
int mWidth;
int mHeight;
bool mDirty{false};
};
enum class Strategy {
renderCpp = 0,
renderCppAsync,
renderC,
renderCAsync,
eflVg
};
class LottieView
{
public:
@ -43,7 +281,7 @@ public:
Restart,
Reverse
};
LottieView(Evas *evas, bool renderMode = true, bool asyncRender = true);
LottieView(Evas *evas, Strategy s = Strategy::renderCppAsync);
~LottieView();
Evas_Object *getImage();
void setSize(int w, int h);
@ -56,8 +294,8 @@ public:
void setSpeed(float speed) { mSpeed = speed;}
void setRepeatCount(int count);
void setRepeatMode(LottieView::RepeatMode mode);
float getFrameRate() const { return mFrameRate; }
long getTotalFrame() const { return mTotalFrame; }
float getFrameRate() const { return mRenderDelegate->frameRate(); }
long getTotalFrame() const { return mRenderDelegate->totalFrame(); }
public:
void seek(float pos);
float getPos();
@ -93,7 +331,7 @@ private:
float duration() const {
// usually we run the animation for mPlayer->duration()
// but now run animation for segmented duration.
return mPlayer->duration() * fabs(mMaxprogress - mMinProgress);
return mRenderDelegate->duration() * fabs(mMaxprogress - mMinProgress);
}
void createVgNode(LOTNode *node, Efl_VG *root);
void update(const std::vector<LOTNode *> &);
@ -101,41 +339,220 @@ private:
void update(const LOTLayerNode *, Efl_VG *parent);
void restart();
public:
int mw;
int mh;
Evas *mEvas;
Efl_VG *mRoot;
Evas_Object *mVg;
int mRepeatCount;
LottieView::RepeatMode mRepeatMode;
std::unique_ptr<rlottie::Animation> mPlayer;
size_t mCurFrame{UINT_MAX};
Ecore_Animator *mAnimator{nullptr};
bool mLoop;
int mCurCount;
bool mReverse;
bool mPalying;
Evas_Object *mImage;
float mSpeed;
bool mRenderMode;
bool mAsyncRender;
bool mDirty;
float mPos;
float mFrameRate;
long mTotalFrame;
std::future<rlottie::Surface> mRenderTask;
//keep a segment of the animation default is [0, 1]
float mMinProgress{0};
float mMaxprogress{1};
std::unique_ptr<RenderStrategy> mRenderDelegate;
};
class LottieViewCApi
{
class EflVgRenderStrategy : public CppApiBase {
int mW;
int mH;
public:
private:
Evas *mEvas;
Lottie_Animation *mAnimation;
EflVgRenderStrategy(Evas *evas):CppApiBase(evas_object_vg_add(evas)) {}
void resize(int width, int height) {
mW = width;
mH = height;
evas_object_resize(renderObject(), width, height);
}
void renderRequest(int frame) {
const LOTLayerNode *root = mPlayer->renderTree(frame, mW, mH);
updateTree(root);
}
void updateTree(const LOTLayerNode * node)
{
Efl_VG *root = evas_vg_container_add(renderObject());
update(node, root);
evas_object_vg_root_node_set(renderObject(), root);
}
void createVgNode(LOTNode *node, Efl_VG *root)
{
Efl_VG *shape = evas_vg_shape_add(root);
//0: Path
const float *data = node->mPath.ptPtr;
if (!data) return;
for (int i = 0; i < node->mPath.elmCount; i++) {
switch (node->mPath.elmPtr[i]) {
case 0:
evas_vg_shape_append_move_to(shape, data[0], data[1]);
data += 2;
break;
case 1:
evas_vg_shape_append_line_to(shape, data[0], data[1]);
data += 2;
break;
case 2:
evas_vg_shape_append_cubic_to(shape, data[0], data[1], data[2], data[3], data[4], data[5]);
data += 6;
break;
case 3:
evas_vg_shape_append_close(shape);
break;
default:
break;
}
}
//1: Stroke
if (node->mStroke.enable) {
//Stroke Width
evas_vg_shape_stroke_width_set(shape, node->mStroke.width);
//Stroke Cap
Efl_Gfx_Cap cap;
switch (node->mStroke.cap) {
case CapFlat: cap = EFL_GFX_CAP_BUTT; break;
case CapSquare: cap = EFL_GFX_CAP_SQUARE; break;
case CapRound: cap = EFL_GFX_CAP_ROUND; break;
default: cap = EFL_GFX_CAP_BUTT; break;
}
evas_vg_shape_stroke_cap_set(shape, cap);
//Stroke Join
Efl_Gfx_Join join;
switch (node->mStroke.join) {
case JoinMiter: join = EFL_GFX_JOIN_MITER; break;
case JoinBevel: join = EFL_GFX_JOIN_BEVEL; break;
case JoinRound: join = EFL_GFX_JOIN_ROUND; break;
default: join = EFL_GFX_JOIN_MITER; break;
}
evas_vg_shape_stroke_join_set(shape, join);
//Stroke Dash
if (node->mStroke.dashArraySize > 0) {
int size = (node->mStroke.dashArraySize / 2);
Efl_Gfx_Dash *dash = static_cast<Efl_Gfx_Dash*>(malloc(sizeof(Efl_Gfx_Dash) * size));
if (dash) {
for (int i = 0; i <= size; i+=2) {
dash[i].length = node->mStroke.dashArray[i];
dash[i].gap = node->mStroke.dashArray[i + 1];
}
evas_vg_shape_stroke_dash_set(shape, dash, size);
free(dash);
}
}
}
//2: Fill Method
switch (node->mBrushType) {
case BrushSolid: {
float pa = ((float)node->mColor.a) / 255;
int r = (int)(((float) node->mColor.r) * pa);
int g = (int)(((float) node->mColor.g) * pa);
int b = (int)(((float) node->mColor.b) * pa);
int a = node->mColor.a;
if (node->mStroke.enable)
evas_vg_shape_stroke_color_set(shape, r, g, b, a);
else
evas_vg_node_color_set(shape, r, g, b, a);
break;
}
case BrushGradient: {
Efl_VG* grad = NULL;
if (node->mGradient.type == GradientLinear) {
grad = evas_vg_gradient_linear_add(root);
evas_vg_gradient_linear_start_set(grad, node->mGradient.start.x, node->mGradient.start.y);
evas_vg_gradient_linear_end_set(grad, node->mGradient.end.x, node->mGradient.end.y);
}
else if (node->mGradient.type == GradientRadial) {
grad = evas_vg_gradient_radial_add(root);
evas_vg_gradient_radial_center_set(grad, node->mGradient.center.x, node->mGradient.center.y);
evas_vg_gradient_radial_focal_set(grad, node->mGradient.focal.x, node->mGradient.focal.y);
evas_vg_gradient_radial_radius_set(grad, node->mGradient.cradius);
}
if (grad) {
//Gradient Stop
Efl_Gfx_Gradient_Stop* stops = static_cast<Efl_Gfx_Gradient_Stop*>(malloc(sizeof(Efl_Gfx_Gradient_Stop) * node->mGradient.stopCount));
if (stops) {
for (unsigned int i = 0; i < node->mGradient.stopCount; i++) {
stops[i].offset = node->mGradient.stopPtr[i].pos;
float pa = ((float)node->mGradient.stopPtr[i].a) / 255;
stops[i].r = (int)(((float)node->mGradient.stopPtr[i].r) * pa);
stops[i].g = (int)(((float)node->mGradient.stopPtr[i].g) * pa);
stops[i].b = (int)(((float)node->mGradient.stopPtr[i].b) * pa);
stops[i].a = node->mGradient.stopPtr[i].a;
}
evas_vg_gradient_stop_set(grad, stops, node->mGradient.stopCount);
free(stops);
}
if (node->mStroke.enable)
evas_vg_shape_stroke_fill_set(shape, grad);
else
evas_vg_shape_fill_set(shape, grad);
}
break;
}
default:
break;
}
//3: Fill Rule
// if (node->mFillRule == FillEvenOdd)
// efl_gfx_shape_fill_rule_set(shape, EFL_GFX_FILL_RULE_ODD_EVEN);
// else if (node->mFillRule == FillWinding)
// efl_gfx_shape_fill_rule_set(shape, EFL_GFX_FILL_RULE_WINDING);
}
void update(const std::vector<LOTNode *> &renderList)
{
Efl_VG *root = evas_vg_container_add(renderObject());
for(auto i : renderList) {
createVgNode(i, root);
}
evas_object_vg_root_node_set(renderObject(), root);
}
void update(const LOTLayerNode * node, Efl_VG *parent)
{
// if the layer is invisible return
if (!node->mVisible) return;
// check if this layer is a container layer
bool hasMatte = false;
if (node->mLayerList.size) {
for (unsigned int i = 0; i < node->mLayerList.size; i++) {
if (hasMatte) {
hasMatte = false;
continue;
}
// if the layer has matte then
// the next layer has to be rendered using this layer
// as matte source
if (node->mLayerList.ptr[i]->mMatte != MatteNone) {
hasMatte = true;
printf("Matte is not supported Yet\n");
continue;
}
update(node->mLayerList.ptr[i], parent);
}
}
// check if this layer has drawable
if (node->mNodeList.size) {
for (unsigned int i = 0; i < node->mNodeList.size; i++) {
createVgNode(node->mNodeList.ptr[i], parent);
}
}
}
};
#endif //LOTTIEVIEW_H

2
example/lottieviewer.cpp
View File

@ -147,7 +147,7 @@ create_layout(Evas_Object *parent, const char *file)
elm_layout_file_set(layout, edjPath.c_str(), "layout");
//LOTTIEVIEW
LottieView *view = new LottieView(evas_object_evas_get(layout), renderMode);
LottieView *view = new LottieView(evas_object_evas_get(layout), Strategy::renderCppAsync);
view->setFilePath(file);
view->setSize(500, 500);

34
example/lottieviewtest.cpp
View File

@ -35,10 +35,9 @@ using namespace std;
class LottieViewTest
{
public:
LottieViewTest(EvasApp *app, bool renderMode) {
LottieViewTest(EvasApp *app, Strategy st) {
mStrategy = st;
mApp = app;
mRenderMode = renderMode;
ecore_animator_frametime_set(1.0/120.0);
}
void show(int numberOfImage) {
@ -56,7 +55,7 @@ public:
int resourceSize = resource.size();
for (int i = 0 ; i < numberOfImage; i++) {
int index = i % resourceSize;
std::unique_ptr<LottieView> view(new LottieView(mApp->evas(), mRenderMode));
std::unique_ptr<LottieView> view(new LottieView(mApp->evas(), mStrategy));
view->setFilePath(resource[index].c_str());
view->setPos(posx, posy);
view->setSize(vw, vh);
@ -85,7 +84,7 @@ public:
public:
EvasApp *mApp;
bool mRenderMode = false;
Strategy mStrategy;
std::vector<std::unique_ptr<LottieView>> mViews;
};
@ -106,16 +105,31 @@ onRenderPreCb(void *data, void *extra)
int
main(int argc, char **argv)
{
if (argc > 1) {
if (!strcmp(argv[1],"--help") || !strcmp(argv[1],"-h")) {
printf("Usage ./lottieviewTest 1 \n");
printf("\t 0 - Test Lottie SYNC Renderer with CPP API\n");
printf("\t 1 - Test Lottie ASYNC Renderer with CPP API\n");
printf("\t 2 - Test Lottie SYNC Renderer with C API\n");
printf("\t 3 - Test Lottie ASYNC Renderer with C API\n");
printf("\t 4 - Test Lottie Tree Api using Efl VG Render\n");
printf("\t Default is ./lottieviewTest 1 \n");
return 0;
}
} else {
printf("Run ./lottieviewTest -h for more option\n");
}
EvasApp *app = new EvasApp(800, 800);
app->setup();
bool renderMode = true;
Strategy st = Strategy::renderCppAsync;
if (argc > 1) {
if (!strcmp(argv[1],"--disable-render"))
renderMode = false;
int option = atoi(argv[1]);
st = static_cast<Strategy>(option);
}
LottieViewTest *view = new LottieViewTest(app, renderMode);
view->show(250);
LottieViewTest *view = new LottieViewTest(app, st);
view->show(150);
app->addExitCb(onExitCb, view);
app->addRenderPreCb(onRenderPreCb, view);

2
example/uxsampletest.cpp
View File

@ -57,7 +57,7 @@ public:
private:
void show() {
mView = std::make_unique<LottieView>(mApp->evas(), mRenderMode);
mView = std::make_unique<LottieView>(mApp->evas(), Strategy::renderCAsync);
mView->setFilePath(mResourceList[mCurIndex].c_str());
mView->setPos(0, 0);
mView->setSize(mApp->width(), mApp->height());