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c235b7b81d
these interfaces will perform for vector resources such as svg/tvg/etc ... see testSvg examples Change-Id: Icec0a4682301a13646868bd7c3bfc1771ae7db2c
383 lines
8.1 KiB
C++
383 lines
8.1 KiB
C++
/*
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* Copyright (c) 2020 Samsung Electronics Co., Ltd All Rights Reserved
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifndef _TIZENVG_H_
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#define _TIZENVG_H_
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#include <memory>
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#ifdef TVG_BUILD
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#define TVG_EXPORT __attribute__ ((visibility ("default")))
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#else
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#define TVG_EXPORT
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#endif
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#ifdef LOG_TAG
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#undef LOG_TAG
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#endif
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#define LOG_TAG "TVG"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _TVG_DECLARE_PRIVATE(A) \
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protected: \
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struct Impl; \
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std::unique_ptr<Impl> pImpl; \
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A(const A&) = delete; \
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const A& operator=(const A&) = delete; \
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A()
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#define _TVG_DISABLE_CTOR(A) \
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A() = delete; \
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~A() = delete
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#define _TVG_DECLARE_ACCESSOR(A) \
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friend A
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#define _TVG_DECALRE_IDENTIFIER() \
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auto id() const { return _id; } \
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protected: \
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unsigned _id
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namespace tvg
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{
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class RenderMethod;
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class Scene;
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class Canvas;
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enum class TVG_EXPORT Result { Success = 0, InvalidArguments, InsufficientCondition, FailedAllocation, MemoryCorruption, Unknown };
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enum class TVG_EXPORT PathCommand { Close = 0, MoveTo, LineTo, CubicTo };
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enum class TVG_EXPORT StrokeCap { Square = 0, Round, Butt };
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enum class TVG_EXPORT StrokeJoin { Bevel = 0, Round, Miter };
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enum class TVG_EXPORT FillSpread { Pad = 0, Reflect, Repeat };
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enum class TVG_EXPORT CanvasEngine { Sw = 0, Gl };
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struct Point
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{
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float x, y;
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};
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/**
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* @class Paint
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT Paint
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{
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public:
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virtual ~Paint() {}
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virtual Result rotate(float degree) = 0;
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virtual Result scale(float factor) = 0;
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virtual Result translate(float x, float y) = 0;
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virtual Result bounds(float* x, float* y, float* w, float* h) const = 0;
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_TVG_DECALRE_IDENTIFIER();
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};
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/**
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* @class Fill
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT Fill
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{
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public:
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struct ColorStop
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{
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float offset;
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uint8_t r, g, b, a;
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};
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virtual ~Fill();
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Result colorStops(const ColorStop* colorStops, uint32_t cnt) noexcept;
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Result spread(FillSpread s) noexcept;
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uint32_t colorStops(const ColorStop** colorStops) const noexcept;
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FillSpread spread() const noexcept;
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_TVG_DECALRE_IDENTIFIER();
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_TVG_DECLARE_PRIVATE(Fill);
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};
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/**
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* @class Canvas
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT Canvas
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{
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public:
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Canvas(RenderMethod*);
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virtual ~Canvas();
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Result reserve(uint32_t n) noexcept;
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virtual Result push(std::unique_ptr<Paint> paint) noexcept;
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virtual Result clear() noexcept;
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virtual Result update() noexcept;
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virtual Result update(Paint* paint) noexcept;
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virtual Result draw(bool async = true) noexcept;
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virtual Result sync() = 0;
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_TVG_DECLARE_ACCESSOR(Scene);
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_TVG_DECLARE_PRIVATE(Canvas);
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};
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/**
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* @class LinearGradient
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT LinearGradient final : public Fill
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{
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public:
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~LinearGradient();
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Result linear(float x1, float y1, float x2, float y2) noexcept;
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Result linear(float* x1, float* y1, float* x2, float* y2) const noexcept;
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static std::unique_ptr<LinearGradient> gen() noexcept;
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_TVG_DECLARE_PRIVATE(LinearGradient);
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};
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/**
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* @class RadialGradient
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT RadialGradient final : public Fill
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{
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public:
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~RadialGradient();
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Result radial(float cx, float cy, float radius) noexcept;
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Result radial(float* cx, float* cy, float* radius) const noexcept;
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static std::unique_ptr<RadialGradient> gen() noexcept;
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_TVG_DECLARE_PRIVATE(RadialGradient);
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};
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/**
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* @class Shape
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT Shape final : public Paint
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{
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public:
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~Shape();
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Result reset() noexcept;
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//Path
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Result moveTo(float x, float y) noexcept;
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Result lineTo(float x, float y) noexcept;
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Result cubicTo(float cx1, float cy1, float cx2, float cy2, float x, float y) noexcept;
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Result close() noexcept;
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//Shape
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Result appendRect(float x, float y, float w, float h, float cornerRadius) noexcept;
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Result appendCircle(float cx, float cy, float radiusW, float radiusH) noexcept;
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Result appendPath(const PathCommand* cmds, uint32_t cmdCnt, const Point* pts, uint32_t ptsCnt) noexcept;
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//Stroke
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Result stroke(float width) noexcept;
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Result stroke(uint8_t r, uint8_t g, uint8_t b, uint8_t a) noexcept;
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Result stroke(const float* dashPattern, uint32_t cnt) noexcept;
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Result stroke(StrokeCap cap) noexcept;
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Result stroke(StrokeJoin join) noexcept;
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//Fill
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Result fill(uint8_t r, uint8_t g, uint8_t b, uint8_t a) noexcept;
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Result fill(std::unique_ptr<Fill> f) noexcept;
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//Transform
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Result rotate(float degree) noexcept override;
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Result scale(float factor) noexcept override;
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Result translate(float x, float y) noexcept override;
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//Getters
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uint32_t pathCommands(const PathCommand** cmds) const noexcept;
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uint32_t pathCoords(const Point** pts) const noexcept;
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Result fill(uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a) const noexcept;
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const Fill* fill() const noexcept;
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Result bounds(float* x, float* y, float* w, float* h) const noexcept override;
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float strokeWidth() const noexcept;
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Result strokeColor(uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a) const noexcept;
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uint32_t strokeDash(const float** dashPattern) const noexcept;
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StrokeCap strokeCap() const noexcept;
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StrokeJoin strokeJoin() const noexcept;
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static std::unique_ptr<Shape> gen() noexcept;
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_TVG_DECLARE_PRIVATE(Shape);
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_TVG_DECLARE_ACCESSOR(Canvas);
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_TVG_DECLARE_ACCESSOR(Scene);
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};
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/**
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* @class Scene
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT Scene final : public Paint
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{
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public:
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~Scene();
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Result push(std::unique_ptr<Paint> paint) noexcept;
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Result reserve(uint32_t size) noexcept;
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Result load(const std::string& path, float w, float h, bool lazy = false) noexcept;
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Result save(const std::string& path) noexcept;
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Result rotate(float degree) noexcept override;
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Result scale(float factor) noexcept override;
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Result translate(float x, float y) noexcept override;
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Result bounds(float* x, float* y, float* w, float* h) const noexcept override;
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static std::unique_ptr<Scene> gen() noexcept;
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_TVG_DECLARE_ACCESSOR(Canvas);
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_TVG_DECLARE_PRIVATE(Scene);
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};
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/**
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* @class SwCanvas
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*
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* @ingroup TizenVG
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*
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@brief description...
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*
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*/
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class TVG_EXPORT SwCanvas final : public Canvas
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{
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public:
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~SwCanvas();
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Result target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h) noexcept;
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Result sync() noexcept override;
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static std::unique_ptr<SwCanvas> gen() noexcept;
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_TVG_DECLARE_PRIVATE(SwCanvas);
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};
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/**
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* @class GlCanvas
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT GlCanvas final : public Canvas
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{
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public:
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~GlCanvas();
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//TODO: Gl Specific methods. Need gl backend configuration methods as well.
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Result target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h) noexcept;
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Result sync() noexcept override;
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static std::unique_ptr<GlCanvas> gen() noexcept;
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_TVG_DECLARE_PRIVATE(GlCanvas);
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};
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/**
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* @class Engine
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*
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* @ingroup TizenVG
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*
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* @brief description...
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*
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*/
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class TVG_EXPORT Initializer final
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{
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public:
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/**
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* @brief ...
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*
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* @param[in] arg ...
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*
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* @note ...
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*
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* @return ...
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*
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* @see ...
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*/
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static Result init(CanvasEngine engine) noexcept;
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static Result term(CanvasEngine engine) noexcept;
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_TVG_DISABLE_CTOR(Initializer);
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};
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} //namespace
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#ifdef __cplusplus
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}
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#endif
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#endif //_TIZENVG_H_
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