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>
30 #include <dali-toolkit/devel-api/visuals/image-visual-properties-devel.h>
42 * The worker thread for vector image rasterization.
44 class VectorRasterizeThread : public Thread
51 * @param[in] url The url of the vector animation file
52 * @param[in] renderer The renderer used to render the image
53 * @param[in] width The width of the content
54 * @param[in] height The height of the content
56 VectorRasterizeThread( const std::string& url, Renderer renderer, uint32_t width, uint32_t height );
61 virtual ~VectorRasterizeThread();
64 * @brief Sets the target image size.
66 * @param[in] width The target image width
67 * @param[in] height The target image height
69 void SetSize( uint32_t width, uint32_t height );
72 * @brief Play the vector animation.
74 void StartAnimation();
77 * @brief Stop the vector animation.
82 * @brief Pause the vector animation.
84 void PauseAnimation();
87 * @brief Render one frame. The current frame number will be increased.
92 * @brief This callback is called after the first frame is ready.
93 * @param[in] callback The resource ready callback
95 void SetResourceReadyCallback( EventThreadCallback* callback );
98 * @brief This callback is called after the animation is finished.
99 * @param[in] callback The animation finished callback
101 void SetAnimationFinishedCallback( EventThreadCallback* callback );
104 * @brief Enable looping for 'count' repeats. -1 means to repeat forever.
105 * @param[in] count The number of times to loop
107 void SetLoopCount( int16_t count );
110 * @brief Set the playing range.
111 * @param[in] range Two values between [0,1] to specify minimum and maximum progress.
112 * The animation will play between those values.
114 void SetPlayRange( Vector2 range );
117 * @brief Get the play state
118 * @return The play state
120 DevelImageVisual::PlayState GetPlayState();
125 * @brief The entry function of the worker thread.
126 * It rasterizes the vector image.
133 * @brief Called by the rasterize thread which ensures a wait if required.
134 * @return false if the thread should stop.
136 bool IsThreadReady();
139 * @brief Start rendering
144 * @brief Rasterize the current frame.
149 VectorRasterizeThread( const VectorRasterizeThread& thread ) = delete;
152 VectorRasterizeThread& operator=( const VectorRasterizeThread& thread ) = delete;
157 VectorAnimationRenderer mVectorRenderer;
158 ConditionalWait mConditionalWait;
160 EventThreadCallback* mResourceReadyTrigger;
161 EventThreadCallback* mAnimationFinishedTrigger;
163 DevelImageVisual::PlayState mPlayState;
164 uint32_t mCurrentFrame;
165 uint32_t mTotalFrame;
166 uint32_t mStartFrame;
171 int16_t mCurrentLoop;
173 bool mDestroyThread; ///< Whether the thread be destroyed
175 const Dali::LogFactoryInterface& mLogFactory; ///< The log factory
179 } // namespace Internal
181 } // namespace Toolkit
185 #endif // DALI_TOOLKIT_VECTOR_IMAGE_RASTERIZE_THREAD_H