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Telegram/ThirdParty/rlottie/example/lottieview.cpp

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+/* 
+ * 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
+ */
+
+#include"lottieview.h"
+
+using namespace rlottie;
+
+static void
+_image_update_cb(void *data, Evas_Object *obj EINA_UNUSED)
+{
+   RenderStrategy *info = (RenderStrategy *)data;
+   info->dataCb();
+}
+
+void RenderStrategy::addCallback(){
+    evas_object_image_pixels_get_callback_set(_renderObject, _image_update_cb, this);
+}
+
+static Eina_Bool
+animator(void *data , double pos)
+{
+    LottieView *view = static_cast<LottieView *>(data);
+
+    view->seek(pos);
+    if (pos == 1.0) {
+      view->mAnimator = NULL;
+      view->finished();
+      return EINA_FALSE;
+    }
+    return EINA_TRUE;
+}
+
+LottieView::LottieView(Evas *evas, Strategy s) {
+    mPalying = false;
+    mReverse = false;
+    mRepeatCount = 0;
+    mRepeatMode = LottieView::RepeatMode::Restart;
+    mLoop = false;
+    mSpeed = 1;
+
+    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 (mAnimator) ecore_animator_del(mAnimator);
+}
+
+Evas_Object *LottieView::getImage() {
+    return mRenderDelegate->renderObject();
+}
+
+void LottieView::show()
+{
+    mRenderDelegate->show();
+    seek(0);
+}
+
+void LottieView::hide()
+{
+    mRenderDelegate->hide();
+}
+
+void LottieView::seek(float pos)
+{
+    if (!mRenderDelegate) return;
+
+
+    mPos = mapProgress(pos);
+
+    // check if the pos maps to the current frame
+    if (mCurFrame == mRenderDelegate->frameAtPos(mPos)) return;
+
+    mCurFrame = mRenderDelegate->frameAtPos(mPos);
+
+    mRenderDelegate->render(mCurFrame);
+}
+
+float LottieView::getPos()
+{
+   return mPos;
+}
+
+void LottieView::setFilePath(const char *filePath)
+{
+    mRenderDelegate->loadFromFile(filePath);
+}
+
+void LottieView::loadFromData(const std::string &jsonData, const std::string &key, const std::string &resourcePath)
+{
+    mRenderDelegate->loadFromData(jsonData, key, resourcePath);
+}
+
+void LottieView::setSize(int w, int h)
+{
+    mRenderDelegate->resize(w, h);
+}
+
+void LottieView::setPos(int x, int y)
+{
+    mRenderDelegate->setPos(x, y);
+}
+
+void LottieView::finished()
+{
+    restart();
+}
+
+void LottieView::loop(bool loop)
+{
+    mLoop = loop;
+}
+
+void LottieView::setRepeatCount(int count)
+{
+    mRepeatCount = count;
+}
+
+void LottieView::setRepeatMode(LottieView::RepeatMode mode)
+{
+    mRepeatMode = mode;
+}
+
+void LottieView::play()
+{
+    if (mAnimator) ecore_animator_del(mAnimator);
+    mAnimator = ecore_animator_timeline_add(duration()/mSpeed, animator, this);
+    mReverse = false;
+    mCurCount = mRepeatCount;
+    mPalying = true;
+}
+
+void LottieView::pause()
+{
+
+}
+
+void LottieView::stop()
+{
+    mPalying = false;
+    if (mAnimator) {
+        ecore_animator_del(mAnimator);
+        mAnimator = NULL;
+    }
+}
+
+void LottieView::restart()
+{
+    mCurCount--;
+    if (mLoop || mRepeatCount) {
+        if (mRepeatMode == LottieView::RepeatMode::Reverse)
+            mReverse = !mReverse;
+        else
+            mReverse = false;
+
+        if (mAnimator) ecore_animator_del(mAnimator);
+        mAnimator = ecore_animator_timeline_add(duration()/mSpeed, animator, this);
+    }
+}