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https://github.com/thorvg/thorvg.git
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1806b32971
ThorVG pImpl idiom caused internal data to be scattered across hierarchical classes. This refactoring consolidates the data by inheriting pImpl internally, reducing memory allocation counts and eliminating unnecessary strategy methods.
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*
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* Copyright (c) 2023 - 2024 the ThorVG project. 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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#include "tvgCanvas.h"
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#ifdef THORVG_WG_RASTER_SUPPORT
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#include "tvgWgRenderer.h"
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#endif
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WgCanvas::WgCanvas()
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{
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#ifdef THORVG_WG_RASTER_SUPPORT
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pImpl->renderer = WgRenderer::gen();
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pImpl->renderer->ref();
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#endif
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}
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WgCanvas::~WgCanvas()
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{
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#ifdef THORVG_WG_RASTER_SUPPORT
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auto renderer = static_cast<WgRenderer*>(pImpl->renderer);
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renderer->target(nullptr, nullptr, nullptr, 0, 0);
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#endif
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}
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Result WgCanvas::target(void* device, void* instance, void* target, uint32_t w, uint32_t h, ColorSpace cs, int type) noexcept
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{
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#ifdef THORVG_WG_RASTER_SUPPORT
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if (cs != ColorSpace::ABGR8888S) return Result::NonSupport;
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if (pImpl->status != Status::Damaged && pImpl->status != Status::Synced) {
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return Result::InsufficientCondition;
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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<WgRenderer*>(pImpl->renderer);
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if (!renderer) return Result::MemoryCorruption;
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if (!renderer->target((WGPUDevice)device, (WGPUInstance)instance, target, w, h, type)) return Result::Unknown;
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pImpl->vport = {0, 0, (int32_t)w, (int32_t)h};
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renderer->viewport(pImpl->vport);
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//Paints must be updated again with this new target.
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pImpl->status = Status::Damaged;
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return Result::Success;
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#endif
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return Result::NonSupport;
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}
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WgCanvas* WgCanvas::gen() noexcept
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{
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#ifdef THORVG_WG_RASTER_SUPPORT
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return new WgCanvas;
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#endif
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return nullptr;
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}
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