1 #ifndef DALI_VECTOR_ANIMATION_RENDERER_H
2 #define DALI_VECTOR_ANIMATION_RENDERER_H
5 * Copyright (c) 2021 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.
22 #include <dali/public-api/object/base-handle.h>
23 #include <dali/public-api/rendering/renderer.h>
26 #include <dali/public-api/dali-adaptor-common.h>
31 * @addtogroup dali_adaptor_framework
35 namespace Internal DALI_INTERNAL
39 class VectorAnimationRenderer;
41 } // namespace DALI_INTERNAL
44 * @brief Used for rendering a vector animation file
46 class DALI_ADAPTOR_API VectorAnimationRenderer : public BaseHandle
49 /// @brief UploadCompleted signal type.
50 using UploadCompletedSignalType = Signal<void()>;
53 * @brief Creates an initialized handle to a new VectorAnimationRenderer.
55 * @return A handle to a newly allocated VectorAnimationRenderer
57 static VectorAnimationRenderer New();
60 * @brief Creates an empty handle.
61 * Use VectorAnimationRenderer::New() to create an initialized object.
63 VectorAnimationRenderer();
68 ~VectorAnimationRenderer();
71 * @brief This copy constructor is required for (smart) pointer semantics.
73 * @param[in] handle A reference to the copied handle
75 VectorAnimationRenderer(const VectorAnimationRenderer& handle);
78 * @brief This assignment operator is required for (smart) pointer semantics.
80 * @param[in] rhs A reference to the copied handle
81 * @return A reference to this
83 VectorAnimationRenderer& operator=(const VectorAnimationRenderer& rhs);
86 * @brief Finalizes the renderer.
91 * @brief Loads the animation file.
93 * @param[in] url The url of the vector animation file
94 * @return True if loading success, false otherwise.
96 bool Load(const std::string& url);
99 * @brief Sets the renderer used to display the result image.
101 * @param[in] renderer The renderer used to display the result image
103 void SetRenderer(Renderer renderer);
106 * @brief Sets the target image size.
108 * @param[in] width The target image width
109 * @param[in] height The target image height
111 void SetSize(uint32_t width, uint32_t height);
114 * @brief Renders the content to the target buffer synchronously.
116 * @param[in] frameNumber The frame number to be rendered
117 * @return True if the rendering success, false otherwise.
119 bool Render(uint32_t frameNumber);
122 * @brief Gets the total number of frames of the file
124 * @return The total number of frames
126 uint32_t GetTotalFrameNumber() const;
129 * @brief Gets the frame rate of the file.
131 * @return The frame rate of the file
133 float GetFrameRate() const;
136 * @brief Gets the default size of the file.
138 * @param[out] width The default width of the file
139 * @param[out] height The default height of the file
141 void GetDefaultSize(uint32_t& width, uint32_t& height) const;
144 * @brief Gets the layer information of all the child layers.
146 * @param[out] map The layer information
148 void GetLayerInfo(Property::Map& map) const;
151 * @brief Gets the start frame and the end frame number of the composition marker.
153 * @param[in] marker The composition marker of the file
154 * @param[out] startFrame The start frame number of the specified marker
155 * @param[out] endFrame The end frame number of the specified marker
156 * @return True if the marker is found in the file, false otherwise.
158 * @note https://helpx.adobe.com/after-effects/using/layer-markers-composition-markers.html
159 * Markers exported from AfterEffect are used to describe a segment of an animation {comment/tag , startFrame, endFrame}
160 * Marker can be use to devide a resource in to separate animations by tagging the segment with comment string,
161 * start frame and duration of that segment.
163 bool GetMarkerInfo(const std::string& marker, uint32_t& startFrame, uint32_t& endFrame) const;
166 * @brief Ignores a rendered frame which is not shown yet.
168 void IgnoreRenderedFrame();
172 * @brief Connect to this signal to be notified when the texture upload is completed.
174 * @return The signal to connect to.
176 UploadCompletedSignalType& UploadCompletedSignal();
178 public: // Not intended for application developers
181 * @brief The constructor.
182 * @note Not intended for application developers.
184 * @param[in] pointer A pointer to a newly allocated VectorAnimationRenderer
186 explicit DALI_INTERNAL VectorAnimationRenderer(Internal::Adaptor::VectorAnimationRenderer* internal);
195 #endif // DALI_VECTOR_ANIMATION_RENDERER_H