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>
31 #include <dali-toolkit/devel-api/visuals/image-visual-properties-devel.h>
43 * The worker thread for vector image rasterization.
45 class VectorRasterizeThread : public Thread
52 * @param[in] url The url of the vector animation file
53 * @param[in] renderer The renderer used to render the image
54 * @param[in] width The width of the content
55 * @param[in] height The height of the content
57 VectorRasterizeThread( const std::string& url, Renderer renderer, uint32_t width, uint32_t height );
62 virtual ~VectorRasterizeThread();
65 * @brief Sets the target image size.
67 * @param[in] width The target image width
68 * @param[in] height The target image height
70 void SetSize( uint32_t width, uint32_t height );
73 * @brief Play the vector animation.
75 void StartAnimation();
78 * @brief Stop the vector animation.
83 * @brief Pause the vector animation.
85 void PauseAnimation();
88 * @brief Render one frame. The current frame number will be increased.
93 * @brief This callback is called after the first frame is ready.
94 * @param[in] callback The resource ready callback
96 void SetResourceReadyCallback( EventThreadCallback* callback );
99 * @brief This callback is called after the animation is finished.
100 * @param[in] callback The animation finished callback
102 void SetAnimationFinishedCallback( EventThreadCallback* callback );
105 * @brief Enable looping for 'count' repeats. -1 means to repeat forever.
106 * @param[in] count The number of times to loop
108 void SetLoopCount( int16_t count );
111 * @brief Set the playing range.
112 * @param[in] range Two values between [0,1] to specify minimum and maximum progress.
113 * The animation will play between those values.
115 void SetPlayRange( Vector2 range );
118 * @brief Get the play state
119 * @return The play state
121 DevelImageVisual::PlayState GetPlayState();
126 * @brief The entry function of the worker thread.
127 * It rasterizes the vector image.
134 * @brief Called by the rasterize thread which ensures a wait if required.
135 * @return false if the thread should stop.
137 bool IsThreadReady();
140 * @brief Start rendering
145 * @brief Rasterize the current frame.
150 VectorRasterizeThread( const VectorRasterizeThread& thread ) = delete;
153 VectorRasterizeThread& operator=( const VectorRasterizeThread& thread ) = delete;
158 VectorAnimationRenderer mVectorRenderer;
159 ConditionalWait mConditionalWait;
161 std::unique_ptr< EventThreadCallback > mResourceReadyTrigger;
162 std::unique_ptr< EventThreadCallback > mAnimationFinishedTrigger;
164 DevelImageVisual::PlayState mPlayState;
165 uint32_t mCurrentFrame;
166 uint32_t mTotalFrame;
167 uint32_t mStartFrame;
172 int16_t mCurrentLoop;
174 bool mDestroyThread; ///< Whether the thread be destroyed
176 const Dali::LogFactoryInterface& mLogFactory; ///< The log factory
180 } // namespace Internal
182 } // namespace Toolkit
186 #endif // DALI_TOOLKIT_VECTOR_IMAGE_RASTERIZE_THREAD_H