Swiftgram/example/lottieview.h
Hermet Park bc84259347 replace integers to size_t data type.
these data source are size_t,
keep the consistency to avoid type converting.
2019-07-11 17:12:23 +09:00

580 lines
19 KiB
C++

/*
* 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 LOTTIEVIEW_H
#define LOTTIEVIEW_H
#ifndef EFL_BETA_API_SUPPORT
#define EFL_BETA_API_SUPPORT
#endif
#ifndef EFL_EO_API_SUPPORT
#define EFL_EO_API_SUPPORT
#endif
#include <Eo.h>
#include <Efl.h>
#include <Evas.h>
#include <Ecore.h>
#include <Ecore_Evas.h>
#include "rlottie.h"
#include "rlottie_capi.h"
#include<future>
#include <cmath>
class RenderStrategy {
public:
virtual ~RenderStrategy() {
evas_object_del(renderObject());
}
RenderStrategy(Evas_Object *obj):_renderObject(obj){
addCallback();
}
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;
virtual double frameRate() = 0;
virtual size_t frameAtPos(double pos) = 0;
virtual double duration() = 0;
void render(int frame) {
_redraw = renderRequest(frame);
if (_redraw)
evas_object_image_pixels_dirty_set(renderObject(), EINA_TRUE);
}
void dataCb() {
if (_redraw) {
evas_object_image_data_set(renderObject(), buffer());
}
_redraw = false;
}
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);}
void addCallback();
Evas_Object* renderObject() const {return _renderObject;}
protected:
virtual bool renderRequest(int) = 0;
virtual uint32_t* buffer() = 0;
private:
bool _redraw{false};
Evas_Object *_renderObject;
};
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);
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) {}
bool renderRequest(int frame) {
int width , height;
Evas_Object *image = renderObject();
evas_object_image_size_get(image, &width, &height);
mBuffer = (uint32_t *)evas_object_image_data_get(image, EINA_TRUE);
size_t bytesperline = evas_object_image_stride_get(image);
rlottie::Surface surface(mBuffer, width, height, bytesperline);
mPlayer->renderSync(frame, surface);
return true;
}
uint32_t* buffer() {
return mBuffer;
}
private:
uint32_t * mBuffer;
};
class RlottieRenderStrategy_CPP_ASYNC : public RlottieRenderStrategy {
public:
RlottieRenderStrategy_CPP_ASYNC(Evas *evas):RlottieRenderStrategy(evas) {}
~RlottieRenderStrategy_CPP_ASYNC() {
if (mRenderTask.valid())
mRenderTask.get();
}
bool renderRequest(int frame) {
//addCallback();
if (mRenderTask.valid()) return 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);
return true;
}
uint32_t* buffer() {
auto surface = mRenderTask.get();
return surface.buffer();
}
private:
std::future<rlottie::Surface> mRenderTask;
};
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);
}
bool renderRequest(int frame) {
int width , height;
Evas_Object *image = renderObject();
evas_object_image_size_get(image, &width, &height);
mBuffer = (uint32_t *)evas_object_image_data_get(image, EINA_TRUE);
size_t bytesperline = evas_object_image_stride_get(image);
lottie_animation_render(mPlayer, frame, mBuffer, width, height, bytesperline);
return true;
}
uint32_t* buffer() {
return mBuffer;
}
private:
uint32_t * mBuffer;
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);
}
bool renderRequest(int frame) {
if (mDirty) return true;
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);
return true;
}
uint32_t* buffer() {
lottie_animation_render_flush(mPlayer);
mDirty =false;
return mBuffer;
}
private:
uint32_t * mBuffer;
int mWidth;
int mHeight;
bool mDirty{false};
};
enum class Strategy {
renderCpp = 0,
renderCppAsync,
renderC,
renderCAsync,
eflVg
};
class LottieView
{
public:
enum class RepeatMode {
Restart,
Reverse
};
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);
void setFilePath(const char *filePath);
void loadFromData(const std::string &jsonData, const std::string &key, const std::string &resourcePath="");
void show();
void hide();
void loop(bool loop);
void setSpeed(float speed) { mSpeed = speed;}
void setRepeatCount(int count);
void setRepeatMode(LottieView::RepeatMode mode);
float getFrameRate() const { return mRenderDelegate->frameRate(); }
long getTotalFrame() const { return mRenderDelegate->totalFrame(); }
public:
void seek(float pos);
float getPos();
void finished();
void play();
void pause();
void stop();
void initializeBufferObject(Evas *evas);
void setMinProgress(float progress)
{
//clamp it to [0,1]
mMinProgress = progress;
}
void setMaxProgress(float progress)
{
//clamp it to [0,1]
mMaxprogress = progress;
}
private:
float mapProgress(float progress) {
//clamp it to the segment
progress = (mMinProgress + (mMaxprogress - mMinProgress) * progress);
// currently playing and in reverse mode
if (mPalying && mReverse)
progress = mMaxprogress > mMinProgress ?
mMaxprogress - progress : mMinProgress - progress;
return progress;
}
float duration() const {
// usually we run the animation for mPlayer->duration()
// but now run animation for segmented duration.
return mRenderDelegate->duration() * fabs(mMaxprogress - mMinProgress);
}
void createVgNode(LOTNode *node, Efl_VG *root);
void update(const std::vector<LOTNode *> &);
void updateTree(const LOTLayerNode *);
void update(const LOTLayerNode *, Efl_VG *parent);
void restart();
public:
int mRepeatCount;
LottieView::RepeatMode mRepeatMode;
size_t mCurFrame{UINT_MAX};
Ecore_Animator *mAnimator{nullptr};
bool mLoop;
int mCurCount;
bool mReverse;
bool mPalying;
float mSpeed;
float mPos;
//keep a segment of the animation default is [0, 1]
float mMinProgress{0};
float mMaxprogress{1};
std::unique_ptr<RenderStrategy> mRenderDelegate;
};
#include<assert.h>
class EflVgRenderStrategy : public CppApiBase {
int mW;
int mH;
public:
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);
}
uint32_t *buffer() {
assert(false);
}
bool renderRequest(int frame) {
const LOTLayerNode *root = mPlayer->renderTree(frame, mW, mH);
updateTree(root);
return false;
}
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 (size_t 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