1 #ifndef DALI_TOOLKIT_VECTOR_IMAGE_RASTERIZE_THREAD_H
2 #define DALI_TOOLKIT_VECTOR_IMAGE_RASTERIZE_THREAD_H
5 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
21 #include <dali/devel-api/adaptor-framework/event-thread-callback.h>
22 #include <dali/devel-api/adaptor-framework/vector-animation-renderer.h>
23 #include <dali/devel-api/threading/conditional-wait.h>
24 #include <dali/devel-api/threading/mutex.h>
25 #include <dali/devel-api/threading/thread.h>
26 #include <dali/integration-api/adaptors/log-factory-interface.h>
39 * The worker thread for vector image rasterization.
41 class VectorRasterizeThread : public Thread
48 * @param[in] url The url of the vector animation file
49 * @param[in] renderer The renderer used to render the image
50 * @param[in] width The width of the content
51 * @param[in] height The height of the content
53 VectorRasterizeThread( const std::string& url, Renderer renderer, uint32_t width, uint32_t height );
58 virtual ~VectorRasterizeThread();
61 * @brief Play the vector animation
63 void StartAnimation();
66 * @brief Stop the vector animation
71 * @brief Pause the vector animation
73 void PauseAnimation();
76 * @brief Resume the vector animation
78 void ResumeAnimation();
81 * @brief Render one frame. The current frame number will be increased.
86 * @brief This callback is called after the first frame is ready.
87 * @param callback The resource ready callback
89 void SetResourceReadyCallback( EventThreadCallback* callback );
94 * @brief The entry function of the worker thread.
95 * It rasterizes the vector image.
102 * @brief Called by the rasterize thread which ensures a wait if required.
103 * @return false if the thread should stop.
105 bool IsThreadReady();
108 * @brief Start rendering
113 * @brief Rasterize the current frame.
118 VectorRasterizeThread( const VectorRasterizeThread& thread ) = delete;
121 VectorRasterizeThread& operator=( const VectorRasterizeThread& thread ) = delete;
126 VectorAnimationRenderer mVectorRenderer;
127 ConditionalWait mConditionalWait;
129 EventThreadCallback* mResourceReadyTrigger;
130 uint32_t mCurrentFrame;
131 uint32_t mTotalFrame;
137 bool mDestroyThread; ///< Whether the thread be destroyed
139 const Dali::LogFactoryInterface& mLogFactory; ///< The log factory
143 } // namespace Internal
145 } // namespace Toolkit
149 #endif // DALI_TOOLKIT_VECTOR_IMAGE_RASTERIZE_THREAD_H