thorvg/src/renderer/tvgWgCanvas.cpp
2025-01-03 14:32:31 +09:00

80 lines
2.5 KiB
C++

/*
* Copyright (c) 2023 - 2025 the ThorVG project. 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.
*/
#include "tvgCanvas.h"
#ifdef THORVG_WG_RASTER_SUPPORT
#include "tvgWgRenderer.h"
#endif
WgCanvas::WgCanvas()
{
#ifdef THORVG_WG_RASTER_SUPPORT
pImpl->renderer = WgRenderer::gen();
pImpl->renderer->ref();
#endif
}
WgCanvas::~WgCanvas()
{
#ifdef THORVG_WG_RASTER_SUPPORT
auto renderer = static_cast<WgRenderer*>(pImpl->renderer);
renderer->target(nullptr, nullptr, nullptr, 0, 0);
#endif
}
Result WgCanvas::target(void* device, void* instance, void* target, uint32_t w, uint32_t h, ColorSpace cs, int type) noexcept
{
#ifdef THORVG_WG_RASTER_SUPPORT
if (cs != ColorSpace::ABGR8888S) return Result::NonSupport;
if (pImpl->status != Status::Damaged && pImpl->status != Status::Synced) {
return Result::InsufficientCondition;
}
//We know renderer type, avoid dynamic_cast for performance.
auto renderer = static_cast<WgRenderer*>(pImpl->renderer);
if (!renderer) return Result::MemoryCorruption;
if (!renderer->target((WGPUDevice)device, (WGPUInstance)instance, target, w, h, type)) return Result::Unknown;
pImpl->vport = {0, 0, (int32_t)w, (int32_t)h};
renderer->viewport(pImpl->vport);
//Paints must be updated again with this new target.
pImpl->status = Status::Damaged;
return Result::Success;
#endif
return Result::NonSupport;
}
WgCanvas* WgCanvas::gen() noexcept
{
#ifdef THORVG_WG_RASTER_SUPPORT
return new WgCanvas;
#endif
return nullptr;
}