173 lines
5.3 KiB
C++
173 lines
5.3 KiB
C++
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/*
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* Copyright (c) 2020-2021 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 _TVG_PAINT_H_
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#define _TVG_PAINT_H_
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#include "tvgRender.h"
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namespace tvg
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{
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struct Iterator
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{
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virtual ~Iterator() {}
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virtual const Paint* next() = 0;
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virtual uint32_t count() = 0;
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virtual void begin() = 0;
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};
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struct StrategyMethod
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{
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virtual ~StrategyMethod() {}
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virtual bool dispose(RenderMethod& renderer) = 0;
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virtual void* update(RenderMethod& renderer, const RenderTransform* transform, uint32_t opacity, Array<RenderData>& clips, RenderUpdateFlag pFlag) = 0; //Return engine data if it has.
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virtual bool render(RenderMethod& renderer) = 0;
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virtual bool bounds(float* x, float* y, float* w, float* h) = 0;
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virtual RenderRegion bounds(RenderMethod& renderer) const = 0;
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virtual Paint* duplicate() = 0;
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virtual Iterator* iterator() = 0;
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};
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struct Paint::Impl
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{
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StrategyMethod* smethod = nullptr;
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RenderTransform *rTransform = nullptr;
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uint32_t flag = RenderUpdateFlag::None;
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Paint* cmpTarget = nullptr;
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CompositeMethod cmpMethod = CompositeMethod::None;
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uint8_t opacity = 255;
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~Impl() {
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if (cmpTarget) delete(cmpTarget);
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if (smethod) delete(smethod);
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if (rTransform) delete(rTransform);
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}
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void method(StrategyMethod* method)
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{
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smethod = method;
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}
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bool transform(const Matrix& m)
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{
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if (!rTransform) {
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rTransform = new RenderTransform();
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if (!rTransform) return false;
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}
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rTransform->override(m);
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flag |= RenderUpdateFlag::Transform;
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return true;
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}
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Matrix* transform()
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{
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if (rTransform) {
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rTransform->update();
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return &rTransform->m;
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}
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return nullptr;
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}
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RenderRegion bounds(RenderMethod& renderer) const
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{
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return smethod->bounds(renderer);
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}
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bool dispose(RenderMethod& renderer)
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{
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if (cmpTarget) cmpTarget->pImpl->dispose(renderer);
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return smethod->dispose(renderer);
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}
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Iterator* iterator()
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{
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return smethod->iterator();
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}
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bool composite(Paint* target, CompositeMethod method)
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{
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if ((!target && method != CompositeMethod::None) || (target && method == CompositeMethod::None)) return false;
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if (cmpTarget) delete(cmpTarget);
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cmpTarget = target;
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cmpMethod = method;
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return true;
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}
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bool rotate(float degree);
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bool scale(float factor);
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bool translate(float x, float y);
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bool bounds(float* x, float* y, float* w, float* h, bool transformed);
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void* update(RenderMethod& renderer, const RenderTransform* pTransform, uint32_t opacity, Array<RenderData>& clips, uint32_t pFlag);
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bool render(RenderMethod& renderer);
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Paint* duplicate();
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};
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template<class T>
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struct PaintMethod : StrategyMethod
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{
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T* inst = nullptr;
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PaintMethod(T* _inst) : inst(_inst) {}
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~PaintMethod() {}
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bool bounds(float* x, float* y, float* w, float* h) override
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{
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return inst->bounds(x, y, w, h);
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}
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RenderRegion bounds(RenderMethod& renderer) const override
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{
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return inst->bounds(renderer);
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}
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bool dispose(RenderMethod& renderer) override
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{
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return inst->dispose(renderer);
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}
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void* update(RenderMethod& renderer, const RenderTransform* transform, uint32_t opacity, Array<RenderData>& clips, RenderUpdateFlag flag) override
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{
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return inst->update(renderer, transform, opacity, clips, flag);
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}
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bool render(RenderMethod& renderer) override
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{
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return inst->render(renderer);
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}
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Paint* duplicate() override
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{
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return inst->duplicate();
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}
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Iterator* iterator() override
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{
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return inst->iterator();
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}
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};
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}
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#endif //_TVG_PAINT_H_
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