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Diffstat (limited to 'thirdparty/thorvg/src/lib/tvgPaint.h')
| -rw-r--r-- | thirdparty/thorvg/src/lib/tvgPaint.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/thirdparty/thorvg/src/lib/tvgPaint.h b/thirdparty/thorvg/src/lib/tvgPaint.h new file mode 100644 index 0000000000..4003bdbeac --- /dev/null +++ b/thirdparty/thorvg/src/lib/tvgPaint.h @@ -0,0 +1,200 @@ +/* + * Copyright (c) 2020-2021 Samsung Electronics Co., Ltd. All rights reserved. + + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _TVG_PAINT_H_ +#define _TVG_PAINT_H_ + +#include "tvgRender.h" + + +namespace tvg +{ + enum ContextFlag {Invalid = 0, FastTrack = 1}; + + struct Iterator + { + virtual ~Iterator() {} + virtual const Paint* next() = 0; + virtual uint32_t count() = 0; + virtual void begin() = 0; + }; + + struct StrategyMethod + { + virtual ~StrategyMethod() {} + + virtual bool dispose(RenderMethod& renderer) = 0; + virtual void* update(RenderMethod& renderer, const RenderTransform* transform, uint32_t opacity, Array<RenderData>& clips, RenderUpdateFlag pFlag) = 0; //Return engine data if it has. + virtual bool render(RenderMethod& renderer) = 0; + virtual bool bounds(float* x, float* y, float* w, float* h) = 0; + virtual RenderRegion bounds(RenderMethod& renderer) const = 0; + virtual Paint* duplicate() = 0; + virtual Iterator* iterator() = 0; + }; + + struct Composite + { + Paint* target; + Paint* source; + CompositeMethod method; + }; + + struct Paint::Impl + { + StrategyMethod* smethod = nullptr; + RenderTransform* rTransform = nullptr; + Composite* compData = nullptr; + uint32_t renderFlag = RenderUpdateFlag::None; + uint32_t ctxFlag = ContextFlag::Invalid; + uint32_t id; + uint8_t opacity = 255; + + ~Impl() + { + if (compData) { + delete(compData->target); + free(compData); + } + if (smethod) delete(smethod); + if (rTransform) delete(rTransform); + } + + void method(StrategyMethod* method) + { + smethod = method; + } + + bool transform(const Matrix& m) + { + if (!rTransform) { + rTransform = new RenderTransform(); + if (!rTransform) return false; + } + rTransform->override(m); + renderFlag |= RenderUpdateFlag::Transform; + + return true; + } + + Matrix* transform() + { + if (rTransform) { + rTransform->update(); + return &rTransform->m; + } + return nullptr; + } + + RenderRegion bounds(RenderMethod& renderer) const + { + return smethod->bounds(renderer); + } + + bool dispose(RenderMethod& renderer) + { + if (compData) compData->target->pImpl->dispose(renderer); + return smethod->dispose(renderer); + } + + Iterator* iterator() + { + return smethod->iterator(); + } + + bool composite(Paint* source, Paint* target, CompositeMethod method) + { + //Invalid case + if ((!target && method != CompositeMethod::None) || (target && method == CompositeMethod::None)) return false; + + if (compData) { + delete(compData->target); + //Reset scenario + if (!target && method == CompositeMethod::None) { + free(compData); + compData = nullptr; + return true; + } + } else { + if (!target && method == CompositeMethod::None) return true; + compData = static_cast<Composite*>(calloc(1, sizeof(Composite))); + } + compData->target = target; + compData->source = source; + compData->method = method; + return true; + } + + bool rotate(float degree); + bool scale(float factor); + bool translate(float x, float y); + bool bounds(float* x, float* y, float* w, float* h, bool transformed); + void* update(RenderMethod& renderer, const RenderTransform* pTransform, uint32_t opacity, Array<RenderData>& clips, uint32_t pFlag); + bool render(RenderMethod& renderer); + Paint* duplicate(); + }; + + + template<class T> + struct PaintMethod : StrategyMethod + { + T* inst = nullptr; + + PaintMethod(T* _inst) : inst(_inst) {} + ~PaintMethod() {} + + bool bounds(float* x, float* y, float* w, float* h) override + { + return inst->bounds(x, y, w, h); + } + + RenderRegion bounds(RenderMethod& renderer) const override + { + return inst->bounds(renderer); + } + + bool dispose(RenderMethod& renderer) override + { + return inst->dispose(renderer); + } + + void* update(RenderMethod& renderer, const RenderTransform* transform, uint32_t opacity, Array<RenderData>& clips, RenderUpdateFlag renderFlag) override + { + return inst->update(renderer, transform, opacity, clips, renderFlag); + } + + bool render(RenderMethod& renderer) override + { + return inst->render(renderer); + } + + Paint* duplicate() override + { + return inst->duplicate(); + } + + Iterator* iterator() override + { + return inst->iterator(); + } + }; +} + +#endif //_TVG_PAINT_H_ |