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 Sets the target image size.
63 * @param[in] width The target image width
64 * @param[in] height The target image height
66 void SetSize( uint32_t width, uint32_t height );
69 * @brief Play the vector animation.
71 void StartAnimation();
74 * @brief Stop the vector animation.
79 * @brief Pause the vector animation.
81 void PauseAnimation();
84 * @brief Resume the vector animation.
86 void ResumeAnimation();
89 * @brief Render one frame. The current frame number will be increased.
94 * @brief This callback is called after the first frame is ready.
95 * @param[in] callback The resource ready callback
97 void SetResourceReadyCallback( EventThreadCallback* callback );
100 * @brief Enable looping for 'count' repeats. -1 means to repeat forever.
101 * @param[in] count The number of times to loop
103 void SetLoopCount( int16_t count );
106 * @brief Set the playing range.
107 * @param[in] range Two values between [0,1] to specify minimum and maximum progress.
108 * The animation will play between those values.
110 void SetPlayRange( Vector2 range );
115 * @brief The entry function of the worker thread.
116 * It rasterizes the vector image.
123 * @brief Called by the rasterize thread which ensures a wait if required.
124 * @return false if the thread should stop.
126 bool IsThreadReady();
129 * @brief Start rendering
134 * @brief Rasterize the current frame.
139 VectorRasterizeThread( const VectorRasterizeThread& thread ) = delete;
142 VectorRasterizeThread& operator=( const VectorRasterizeThread& thread ) = delete;
147 VectorAnimationRenderer mVectorRenderer;
148 ConditionalWait mConditionalWait;
150 EventThreadCallback* mResourceReadyTrigger;
152 uint32_t mCurrentFrame;
153 uint32_t mTotalFrame;
154 uint32_t mStartFrame;
159 int16_t mCurrentLoop;
163 bool mDestroyThread; ///< Whether the thread be destroyed
165 const Dali::LogFactoryInterface& mLogFactory; ///< The log factory
169 } // namespace Internal
171 } // namespace Toolkit
175 #endif // DALI_TOOLKIT_VECTOR_IMAGE_RASTERIZE_THREAD_H