mirror of
https://github.com/cwinfo/matterbridge.git
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53cafa9f3d
This commit adds support for go/cgo tgs conversion when building with the -tags `cgo` The default binaries are still "pure" go and uses the old way of converting. * Move lottie_convert.py conversion code to its own file * Add optional libtgsconverter * Update vendor * Apply suggestions from code review * Update bridge/helper/libtgsconverter.go Co-authored-by: Wim <wim@42.be>
526 lines
17 KiB
C++
526 lines
17 KiB
C++
/*
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* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _RLOTTIE_H_
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#define _RLOTTIE_H_
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#include <future>
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#include <vector>
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#include <memory>
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#if defined _WIN32 || defined __CYGWIN__
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#ifdef RLOTTIE_BUILD
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#define RLOTTIE_API __declspec(dllexport)
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#else
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#define RLOTTIE_API __declspec(dllimport)
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#endif
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#else
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#ifdef RLOTTIE_BUILD
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#define RLOTTIE_API __attribute__ ((visibility ("default")))
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#else
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#define RLOTTIE_API
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#endif
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#endif
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class AnimationImpl;
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struct LOTNode;
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struct LOTLayerNode;
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namespace rlottie {
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/**
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* @brief Configures rlottie model cache policy.
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*
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* Provides Library level control to configure model cache
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* policy. Setting it to 0 will disable
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* the cache as well as flush all the previously cached content.
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*
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* @param[in] cacheSize Maximum Model Cache size.
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*
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* @note to disable Caching configure with 0 size.
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* @note to flush the current Cache content configure it with 0 and
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* then reconfigure with the new size.
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*
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* @internal
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*/
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RLOTTIE_API void configureModelCacheSize(size_t cacheSize);
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struct Color {
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Color() = default;
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Color(float r, float g , float b):_r(r), _g(g), _b(b){}
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float r() const {return _r;}
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float g() const {return _g;}
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float b() const {return _b;}
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private:
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float _r{0};
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float _g{0};
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float _b{0};
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};
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struct Size {
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Size() = default;
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Size(float w, float h):_w(w), _h(h){}
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float w() const {return _w;}
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float h() const {return _h;}
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private:
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float _w{0};
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float _h{0};
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};
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struct Point {
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Point() = default;
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Point(float x, float y):_x(x), _y(y){}
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float x() const {return _x;}
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float y() const {return _y;}
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private:
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float _x{0};
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float _y{0};
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};
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struct FrameInfo {
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explicit FrameInfo(uint32_t frame): _frameNo(frame){}
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uint32_t curFrame() const {return _frameNo;}
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private:
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uint32_t _frameNo;
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};
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enum class Property {
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FillColor, /*!< Color property of Fill object , value type is rlottie::Color */
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FillOpacity, /*!< Opacity property of Fill object , value type is float [ 0 .. 100] */
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StrokeColor, /*!< Color property of Stroke object , value type is rlottie::Color */
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StrokeOpacity, /*!< Opacity property of Stroke object , value type is float [ 0 .. 100] */
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StrokeWidth, /*!< stroke width property of Stroke object , value type is float */
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TrAnchor, /*!< Transform Anchor property of Layer and Group object , value type is rlottie::Point */
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TrPosition, /*!< Transform Position property of Layer and Group object , value type is rlottie::Point */
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TrScale, /*!< Transform Scale property of Layer and Group object , value type is rlottie::Size. range[0 ..100] */
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TrRotation, /*!< Transform Rotation property of Layer and Group object , value type is float. range[0 .. 360] in degrees*/
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TrOpacity /*!< Transform Opacity property of Layer and Group object , value type is float [ 0 .. 100] */
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};
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struct Color_Type{};
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struct Point_Type{};
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struct Size_Type{};
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struct Float_Type{};
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template <typename T> struct MapType;
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class RLOTTIE_API Surface {
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public:
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/**
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* @brief Surface object constructor.
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*
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* @param[in] buffer surface buffer.
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* @param[in] width surface width.
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* @param[in] height surface height.
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* @param[in] bytesPerLine number of bytes in a surface scanline.
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*
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* @note Default surface format is ARGB32_Premultiplied.
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*
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* @internal
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*/
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Surface(uint32_t *buffer, size_t width, size_t height, size_t bytesPerLine);
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/**
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* @brief Sets the Draw Area available on the Surface.
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*
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* Lottie will use the draw region size to generate frame image
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* and will update only the draw rgion of the surface.
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*
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* @param[in] x region area x position.
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* @param[in] y region area y position.
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* @param[in] width region area width.
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* @param[in] height region area height.
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*
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* @note Default surface format is ARGB32_Premultiplied.
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* @note Default draw region area is [ 0 , 0, surface width , surface height]
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*
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* @internal
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*/
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void setDrawRegion(size_t x, size_t y, size_t width, size_t height);
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/**
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* @brief Returns width of the surface.
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*
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* @return surface width
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*
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* @internal
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*
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*/
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size_t width() const {return mWidth;}
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/**
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* @brief Returns height of the surface.
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*
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* @return surface height
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*
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* @internal
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*/
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size_t height() const {return mHeight;}
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/**
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* @brief Returns number of bytes in the surface scanline.
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*
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* @return number of bytes in scanline.
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*
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* @internal
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*/
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size_t bytesPerLine() const {return mBytesPerLine;}
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/**
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* @brief Returns buffer attached tp the surface.
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*
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* @return buffer attaced to the Surface.
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*
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* @internal
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*/
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uint32_t *buffer() const {return mBuffer;}
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/**
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* @brief Returns drawable area width of the surface.
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*
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* @return drawable area width
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*
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* @note Default value is width() of the surface
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*
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* @internal
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*
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*/
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size_t drawRegionWidth() const {return mDrawArea.w;}
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/**
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* @brief Returns drawable area height of the surface.
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*
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* @return drawable area height
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*
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* @note Default value is height() of the surface
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*
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* @internal
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*/
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size_t drawRegionHeight() const {return mDrawArea.h;}
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/**
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* @brief Returns drawable area's x position of the surface.
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*
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* @return drawable area's x potition.
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*
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* @note Default value is 0
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*
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* @internal
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*/
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size_t drawRegionPosX() const {return mDrawArea.x;}
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/**
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* @brief Returns drawable area's y position of the surface.
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*
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* @return drawable area's y potition.
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*
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* @note Default value is 0
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*
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* @internal
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*/
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size_t drawRegionPosY() const {return mDrawArea.y;}
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/**
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* @brief Default constructor.
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*/
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Surface() = default;
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private:
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uint32_t *mBuffer{nullptr};
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size_t mWidth{0};
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size_t mHeight{0};
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size_t mBytesPerLine{0};
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struct {
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size_t x{0};
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size_t y{0};
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size_t w{0};
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size_t h{0};
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}mDrawArea;
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};
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using MarkerList = std::vector<std::tuple<std::string, int , int>>;
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/**
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* @brief https://helpx.adobe.com/after-effects/using/layer-markers-composition-markers.html
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* Markers exported form AE are used to describe a segmnet of an animation {comment/tag , startFrame, endFrame}
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* Marker can be use to devide a resource in to separate animations by tagging the segment with comment string ,
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* start frame and duration of that segment.
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*/
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using LayerInfoList = std::vector<std::tuple<std::string, int , int>>;
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using ColorFilter = std::function<void(float &r , float &g, float &b)>;
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class RLOTTIE_API Animation {
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public:
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/**
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* @brief Constructs an animation object from file path.
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*
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* @param[in] path Lottie resource file path
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* @param[in] cachePolicy whether to cache or not the model data.
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* use only when need to explicit disabl caching for a
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* particular resource. To disable caching at library level
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* use @see configureModelCacheSize() instead.
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*
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* @return Animation object that can render the contents of the
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* Lottie resource represented by file path.
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*
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* @internal
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*/
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static std::unique_ptr<Animation>
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loadFromFile(const std::string &path, bool cachePolicy=true);
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/**
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* @brief Constructs an animation object from JSON string data.
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*
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* @param[in] jsonData The JSON string data.
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* @param[in] key the string that will be used to cache the JSON string data.
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* @param[in] resourcePath the path will be used to search for external resource.
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* @param[in] cachePolicy whether to cache or not the model data.
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* use only when need to explicit disabl caching for a
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* particular resource. To disable caching at library level
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* use @see configureModelCacheSize() instead.
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*
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* @return Animation object that can render the contents of the
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* Lottie resource represented by JSON string data.
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*
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* @internal
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*/
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static std::unique_ptr<Animation>
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loadFromData(std::string jsonData, const std::string &key,
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const std::string &resourcePath="", bool cachePolicy=true);
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/**
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* @brief Constructs an animation object from JSON string data and update.
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* the color properties using ColorFilter.
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* @param[in] jsonData The JSON string data.
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* @param[in] resourcePath the path will be used to search for external resource.
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* @param[in] filter The color filter that will be applied for each color property
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* found during parsing.
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* @return Animation object that can render the contents of the
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* Lottie resource represented by JSON string data.
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*
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* @internal
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*/
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static std::unique_ptr<Animation>
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loadFromData(std::string jsonData, std::string resourcePath, ColorFilter filter);
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/**
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* @brief Returns default framerate of the Lottie resource.
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*
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* @return framerate of the Lottie resource
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*
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* @internal
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*
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*/
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double frameRate() const;
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/**
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* @brief Returns total number of frames present in the Lottie resource.
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*
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* @return frame count of the Lottie resource.
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*
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* @note frame number starts with 0.
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*
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* @internal
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*/
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size_t totalFrame() const;
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/**
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* @brief Returns default viewport size of the Lottie resource.
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*
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* @param[out] width default width of the viewport.
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* @param[out] height default height of the viewport.
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*
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* @internal
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*
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*/
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void size(size_t &width, size_t &height) const;
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/**
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* @brief Returns total animation duration of Lottie resource in second.
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* it uses totalFrame() and frameRate() to calculate the duration.
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* duration = totalFrame() / frameRate().
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*
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* @return total animation duration in second.
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* @retval 0 if the Lottie resource has no animation.
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*
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* @see totalFrame()
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* @see frameRate()
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*
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* @internal
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*/
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double duration() const;
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/**
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* @brief Returns frame number for a given position.
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* this function helps to map the position value retuned
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* by the animator to a frame number in side the Lottie resource.
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* frame_number = lerp(start_frame, endframe, pos);
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*
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* @param[in] pos normalized position value [0 ... 1]
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*
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* @return frame numer maps to the position value [startFrame .... endFrame]
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*
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* @internal
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*/
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size_t frameAtPos(double pos);
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/**
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* @brief Renders the content to surface Asynchronously.
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* it gives a future in return to get the result of the
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* rendering at a future point.
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* To get best performance user has to start rendering as soon as
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* it finds that content at {frameNo} has to be rendered and get the
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* result from the future at the last moment when the surface is needed
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* to draw into the screen.
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*
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*
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* @param[in] frameNo Content corresponds to the @p frameNo needs to be drawn
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* @param[in] surface Surface in which content will be drawn
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* @param[in] keepAspectRatio whether to keep the aspect ratio while scaling the content.
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*
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* @return future that will hold the result when rendering finished.
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*
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* for Synchronus rendering @see renderSync
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*
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* @see Surface
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* @internal
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*/
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std::future<Surface> render(size_t frameNo, Surface surface, bool keepAspectRatio=true);
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/**
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* @brief Renders the content to surface synchronously.
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* for performance use the async rendering @see render
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*
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* @param[in] frameNo Content corresponds to the @p frameNo needs to be drawn
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* @param[in] surface Surface in which content will be drawn
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* @param[in] keepAspectRatio whether to keep the aspect ratio while scaling the content.
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*
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* @internal
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*/
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void renderSync(size_t frameNo, Surface surface, bool keepAspectRatio=true);
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/**
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* @brief Returns root layer of the composition updated with
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* content of the Lottie resource at frame number @p frameNo.
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*
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* @param[in] frameNo Content corresponds to the @p frameNo needs to be extracted.
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* @param[in] width content viewbox width
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* @param[in] height content viewbox height
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*
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* @return Root layer node.
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*
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* @internal
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*/
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const LOTLayerNode * renderTree(size_t frameNo, size_t width, size_t height) const;
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/**
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* @brief Returns Composition Markers.
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*
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*
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* @return returns MarkerList of the Composition.
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*
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* @see MarkerList
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* @internal
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*/
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const MarkerList& markers() const;
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/**
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* @brief Returns Layer information{name, inFrame, outFrame} of all the child layers of the composition.
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*
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*
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* @return List of Layer Information of the Composition.
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*
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* @see LayerInfoList
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* @internal
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*/
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const LayerInfoList& layers() const;
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/**
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* @brief Sets property value for the specified {@link KeyPath}. This {@link KeyPath} can resolve
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* to multiple contents. In that case, the callback's value will apply to all of them.
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*
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* Keypath should conatin object names separated by (.) and can handle globe(**) or wildchar(*).
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*
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* @usage
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* To change fillcolor property of fill1 object in the layer1->group1->fill1 hirarchy to RED color
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*
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* player->setValue<rlottie::Property::FillColor>("layer1.group1.fill1", rlottie::Color(1, 0, 0);
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*
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* if all the color property inside group1 needs to be changed to GREEN color
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*
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* player->setValue<rlottie::Property::FillColor>("**.group1.**", rlottie::Color(0, 1, 0);
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*
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* @internal
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*/
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template<Property prop, typename AnyValue>
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void setValue(const std::string &keypath, AnyValue value)
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{
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setValue(MapType<std::integral_constant<Property, prop>>{}, prop, keypath, value);
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}
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/**
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* @brief default destructor
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*
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* @internal
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*/
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~Animation();
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private:
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void setValue(Color_Type, Property, const std::string &, Color);
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void setValue(Float_Type, Property, const std::string &, float);
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void setValue(Size_Type, Property, const std::string &, Size);
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void setValue(Point_Type, Property, const std::string &, Point);
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void setValue(Color_Type, Property, const std::string &, std::function<Color(const FrameInfo &)> &&);
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void setValue(Float_Type, Property, const std::string &, std::function<float(const FrameInfo &)> &&);
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void setValue(Size_Type, Property, const std::string &, std::function<Size(const FrameInfo &)> &&);
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void setValue(Point_Type, Property, const std::string &, std::function<Point(const FrameInfo &)> &&);
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/**
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* @brief default constructor
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*
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* @internal
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*/
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Animation();
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std::unique_ptr<AnimationImpl> d;
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};
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//Map Property to Value type
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template<> struct MapType<std::integral_constant<Property, Property::FillColor>>: Color_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::StrokeColor>>: Color_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::FillOpacity>>: Float_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::StrokeOpacity>>: Float_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::StrokeWidth>>: Float_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::TrRotation>>: Float_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::TrOpacity>>: Float_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::TrAnchor>>: Point_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::TrPosition>>: Point_Type{};
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template<> struct MapType<std::integral_constant<Property, Property::TrScale>>: Size_Type{};
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} // namespace lotplayer
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#endif // _RLOTTIE_H_
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