mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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138 lines
3.9 KiB
C++
138 lines
3.9 KiB
C++
/*
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* Copyright (c) 2018 Samsung Electronics Co., Ltd. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "rlottie.h"
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#include "vdebug.h"
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using namespace rlottie;
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extern "C" {
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struct Lottie_Animation_S
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{
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std::unique_ptr<Animation> mAnimation;
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std::future<Surface> mRenderTask;
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uint32_t *mBufferRef;
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};
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LOT_EXPORT Lottie_Animation_S *lottie_animation_from_file(const char *path)
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{
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if (auto animation = Animation::loadFromFile(path) ) {
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Lottie_Animation_S *handle = new Lottie_Animation_S();
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handle->mAnimation = std::move(animation);
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return handle;
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} else {
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return nullptr;
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}
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}
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LOT_EXPORT Lottie_Animation_S *lottie_animation_from_data(const char *data, const char *key, const char *resourcePath)
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{
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if (auto animation = Animation::loadFromData(data, key, resourcePath) ) {
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Lottie_Animation_S *handle = new Lottie_Animation_S();
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handle->mAnimation = std::move(animation);
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return handle;
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} else {
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return nullptr;
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}
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}
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LOT_EXPORT void lottie_animation_destroy(Lottie_Animation_S *animation)
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{
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if (animation) {
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if (animation->mRenderTask.valid()) {
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animation->mRenderTask.get();
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}
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animation->mAnimation = nullptr;
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delete animation;
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}
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}
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LOT_EXPORT void lottie_animation_get_size(const Lottie_Animation_S *animation, size_t *width, size_t *height)
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{
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if (!animation) return;
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animation->mAnimation->size(*width, *height);
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}
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LOT_EXPORT double lottie_animation_get_duration(const Lottie_Animation_S *animation)
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{
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if (!animation) return 0;
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return animation->mAnimation->duration();
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}
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LOT_EXPORT size_t lottie_animation_get_totalframe(const Lottie_Animation_S *animation)
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{
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if (!animation) return 0;
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return animation->mAnimation->totalFrame();
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}
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LOT_EXPORT double lottie_animation_get_framerate(const Lottie_Animation_S *animation)
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{
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if (!animation) return 0;
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return animation->mAnimation->frameRate();
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}
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LOT_EXPORT const LOTLayerNode * lottie_animation_render_tree(Lottie_Animation_S *animation, size_t frame_num, size_t width, size_t height)
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{
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if (!animation) return nullptr;
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return animation->mAnimation->renderTree(frame_num, width, height);
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}
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LOT_EXPORT size_t
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lottie_animation_get_frame_at_pos(const Lottie_Animation_S *animation, float pos)
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{
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if (!animation) return 0;
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return animation->mAnimation->frameAtPos(pos);
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}
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LOT_EXPORT void
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lottie_animation_render_async(Lottie_Animation_S *animation,
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size_t frame_number,
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uint32_t *buffer,
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size_t width,
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size_t height,
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size_t bytes_per_line)
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{
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if (!animation) return;
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rlottie::Surface surface(buffer, width, height, bytes_per_line);
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animation->mRenderTask = animation->mAnimation->render(frame_number, surface);
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animation->mBufferRef = buffer;
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}
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LOT_EXPORT uint32_t *
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lottie_animation_render_flush(Lottie_Animation_S *animation)
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{
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if (!animation) return nullptr;
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if (animation->mRenderTask.valid()) {
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animation->mRenderTask.get();
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}
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return animation->mBufferRef;
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}
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}
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