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https://github.com/thorvg/thorvg.git
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498a024df8
replace dynamic_cast to static_cast, This can be a controversial choice between optmization and clean code. Obviously we know the converting types, try avoiding a bit heavier casting some cases. Change-Id: Id763e6d1db449a229a492ab5b1a901a195936152
74 lines
2 KiB
C++
74 lines
2 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 _TVG_SWCANVAS_CPP_
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#define _TVG_SWCANVAS_CPP_
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#include "tvgCommon.h"
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#include "tvgSwRenderer.h"
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#include "tvgCanvasImpl.h"
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/************************************************************************/
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/* Internal Class Implementation */
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/************************************************************************/
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struct SwCanvas::Impl
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{
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Impl() {}
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};
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/************************************************************************/
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/* External Class Implementation */
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/************************************************************************/
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SwCanvas::SwCanvas() : Canvas(SwRenderer::inst()), pImpl(make_unique<Impl>())
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{
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}
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SwCanvas::~SwCanvas()
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{
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}
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Result SwCanvas::target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h) noexcept
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{
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//We know renderer type, avoid dynamic_cast for performance.
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auto renderer = static_cast<SwRenderer*>(Canvas::pImpl.get()->renderer);
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if (!renderer) return Result::MemoryCorruption;
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if (!renderer->target(buffer, stride, w, h)) return Result::InvalidArguments;
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return Result::Success;
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}
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Result SwCanvas::sync() noexcept
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{
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return Result::Success;
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}
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unique_ptr<SwCanvas> SwCanvas::gen() noexcept
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{
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auto canvas = unique_ptr<SwCanvas>(new SwCanvas);
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assert(canvas);
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return canvas;
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}
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#endif /* _TVG_SWCANVAS_CPP_ */
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