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https://github.com/thorvg/thorvg.git
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8685c7e0f0
previous implementation didn't consider multiple canvases, multiple canvas shared one renderer engine that brought corrupted contexts. Thus, each canvas instances should have designated renderer engine instances. Now fixed.
71 lines
No EOL
2.4 KiB
C++
71 lines
No EOL
2.4 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 _TVG_RENDER_H_
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#define _TVG_RENDER_H_
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namespace tvg
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{
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struct Surface
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{
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//TODO: Union for multiple types
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uint32_t* buffer;
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uint32_t stride;
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uint32_t w, h;
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uint32_t cs;
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};
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enum RenderUpdateFlag {None = 0, Path = 1, Color = 2, Gradient = 4, Stroke = 8, Transform = 16, All = 32};
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struct RenderTransform
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{
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Matrix m; //3x3 Matrix Elements
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float x = 0.0f;
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float y = 0.0f;
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float degree = 0.0f; //rotation degree
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float scale = 1.0f; //scale factor
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bool overriding = false; //user transform?
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bool update();
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void override(const Matrix& m);
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RenderTransform();
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RenderTransform(const RenderTransform* lhs, const RenderTransform* rhs);
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};
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class RenderMethod
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{
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public:
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virtual ~RenderMethod() {}
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virtual void* prepare(TVG_UNUSED const Shape& shape, TVG_UNUSED void* data, TVG_UNUSED const RenderTransform* transform, TVG_UNUSED RenderUpdateFlag flags) { return nullptr; }
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virtual bool dispose(TVG_UNUSED const Shape& shape, TVG_UNUSED void *data) { return true; }
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virtual bool preRender() { return true; }
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virtual bool render(TVG_UNUSED const Shape& shape, TVG_UNUSED void *data) { return true; }
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virtual bool postRender() { return true; }
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virtual bool clear() { return true; }
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virtual bool flush() { return true; }
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};
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}
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#endif //_TVG_RENDER_H_
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