1 #ifndef DALI_VECTOR_ANIMATION_RENDERER_PLUGIN_H
2 #define DALI_VECTOR_ANIMATION_RENDERER_PLUGIN_H
5 * Copyright (c) 2022 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/rendering/renderer.h>
26 #include <dali/devel-api/adaptor-framework/vector-animation-renderer.h>
31 * VectorAnimationRendererPlugin is an abstract interface, used by dali-adaptor to render a vector animation.
32 * A concrete implementation must be created for each platform and provided as a dynamic library which
33 * will be loaded at run time by the adaptor.
35 class VectorAnimationRendererPlugin
38 using UploadCompletedSignalType = Dali::VectorAnimationRenderer::UploadCompletedSignalType;
39 using VectorProperty = Dali::VectorAnimationRenderer::VectorProperty;
44 VectorAnimationRendererPlugin()
51 virtual ~VectorAnimationRendererPlugin()
56 * @brief Finalizes the renderer. It will be called in the main thread.
58 virtual void Finalize() = 0;
61 * @brief Loads the animation file.
63 * @param[in] url The url of the vector animation file
64 * @return True if loading success, false otherwise.
66 virtual bool Load(const std::string& url) = 0;
69 * @brief Sets the renderer used to display the result image.
71 * @param[in] renderer The renderer used to display the result image
73 virtual void SetRenderer(Renderer renderer) = 0;
76 * @brief Sets the target image size.
78 * @param[in] width The target image width
79 * @param[in] height The target image height
81 virtual void SetSize(uint32_t width, uint32_t height) = 0;
84 * @brief Renders the content to the target buffer synchronously.
86 * @param[in] frameNumber The frame number to be rendered
87 * @return True if the rendering success, false otherwise.
89 virtual bool Render(uint32_t frameNumber) = 0;
92 * @brief Gets the total number of frames of the file.
94 * @return The total number of frames
96 virtual uint32_t GetTotalFrameNumber() const = 0;
99 * @brief Gets the frame rate of the file.
101 * @return The frame rate of the file
103 virtual float GetFrameRate() const = 0;
106 * @brief Gets the default size of the file.
108 * @param[out] width The default width of the file
109 * @param[out] height The default height of the file
111 virtual void GetDefaultSize(uint32_t& width, uint32_t& height) const = 0;
114 * @brief Gets the layer information of all the child layers.
116 * @param[out] map The layer information
118 virtual void GetLayerInfo(Property::Map& map) const = 0;
121 * @brief Gets the start frame and the end frame number of the composition marker.
123 * @param[in] marker The composition marker of the file
124 * @param[out] startFrame The start frame number of the specified marker
125 * @param[out] endFrame The end frame number of the specified marker
126 * @return True if the marker is found in the file, false otherwise.
128 * @note https://helpx.adobe.com/after-effects/using/layer-markers-composition-markers.html
129 * Markers exported from AfterEffect are used to describe a segment of an animation {comment/tag , startFrame, endFrame}
130 * Marker can be use to devide a resource in to separate animations by tagging the segment with comment string,
131 * start frame and duration of that segment.
133 virtual bool GetMarkerInfo(const std::string& marker, uint32_t& startFrame, uint32_t& endFrame) const = 0;
136 * @brief Invalidates the rendered buffer.
137 * @note The upload completed signal will be emitted again.
139 virtual void InvalidateBuffer() = 0;
142 * @brief Sets property value for the specified keyPath. This keyPath can resolve to multiple contents.
143 * In that case, the callback's value will apply to all of them.
145 * @param[in] keyPath The key path used to target a specific content or a set of contents that will be updated.
146 * @param[in] property The property to set.
147 * @param[in] callback The callback what gets called every time the animation is rendered.
148 * @param[in] id The Id to specify the callback. It should be unique and will be passed when the callback is called.
150 * @note A callback of the following type may be used:
151 * id The id to specify the callback.
152 * property The property that represent what you are trying to change.
153 * frameNumber The current frame number.
154 * It returns a Property::Value to set according to the property type.
157 * Property::Value MyFunction(int32_t id, VectorProperty property, uint32_t frameNumber);
160 * The keypath should conatin object names separated by (.) and can handle globe(**) or wildchar(*).
161 * Ownership of the callback is passed onto this class.
163 virtual void AddPropertyValueCallback(const std::string& keyPath, VectorProperty property, CallbackBase* callback, int32_t id) = 0;
166 * @brief Connect to this signal to be notified when the texture upload is completed.
168 * @return The signal to connect to.
170 virtual UploadCompletedSignalType& UploadCompletedSignal() = 0;
173 * @brief Function pointer called in adaptor to create a plugin instance.
175 using CreateVectorAnimationRendererFunction = VectorAnimationRendererPlugin* (*)();
180 #endif // DALI_VECTOR_ANIMATION_RENDERER_PLUGIN_H