mirror of
https://github.com/thorvg/thorvg.git
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107 lines
No EOL
3.2 KiB
C
107 lines
No EOL
3.2 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_CANVAS_IMPL_H_
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#define _TVG_CANVAS_IMPL_H_
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#include "tvgPaint.h"
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/************************************************************************/
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/* Internal Class Implementation */
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/************************************************************************/
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struct Canvas::Impl
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{
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vector<Paint*> paints;
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RenderMethod* renderer;
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Impl(RenderMethod* pRenderer):renderer(pRenderer)
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{
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}
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~Impl()
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{
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clear();
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delete(renderer);
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}
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Result push(unique_ptr<Paint> paint)
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{
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auto p = paint.release();
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if (!p) return Result::MemoryCorruption;
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paints.push_back(p);
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return update(p);
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}
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Result clear()
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{
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if (!renderer) return Result::InsufficientCondition;
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//Clear render target before drawing
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if (!renderer->clear()) return Result::InsufficientCondition;
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for (auto paint : paints) {
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paint->pImpl->dispose(*renderer);
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delete(paint);
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}
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paints.clear();
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return Result::Success;
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}
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Result update(Paint* paint)
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{
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if (!renderer) return Result::InsufficientCondition;
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//Update single paint node
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if (paint) {
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if (!paint->pImpl->update(*renderer, nullptr, RenderUpdateFlag::None)) {
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return Result::InsufficientCondition;
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}
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//Update retained all paint nodes
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} else {
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for(auto paint: paints) {
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if (!paint->pImpl->update(*renderer, nullptr, RenderUpdateFlag::None)) {
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return Result::InsufficientCondition;
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}
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}
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}
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return Result::Success;
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}
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Result draw()
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{
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if (!renderer) return Result::InsufficientCondition;
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if (!renderer->preRender()) return Result::InsufficientCondition;
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for(auto paint: paints) {
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if(!paint->pImpl->render(*renderer)) return Result::InsufficientCondition;
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}
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if (!renderer->postRender()) return Result::InsufficientCondition;
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return Result::Success;
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}
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};
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#endif /* _TVG_CANVAS_IMPL_H_ */ |