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/*
* Copyright (c) 2020 - 2023 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 "tvgCanvasImpl.h"
#ifdef THORVG_GL_RASTER_SUPPORT
#include "tvgGlRenderer.h"
#else
class GlRenderer : public RenderMethod
{
//Non Supported. Dummy Class */
};
#endif
/************************************************************************/
/* Internal Class Implementation */
/************************************************************************/
struct GlCanvas::Impl
{
};
/************************************************************************/
/* External Class Implementation */
/************************************************************************/
#ifdef THORVG_GL_RASTER_SUPPORT
GlCanvas::GlCanvas() : Canvas(GlRenderer::gen()), pImpl(new Impl)
#else
GlCanvas::GlCanvas() : Canvas(nullptr), pImpl(new Impl)
#endif
{
}
GlCanvas::~GlCanvas()
{
delete(pImpl);
}
Result GlCanvas::target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h) noexcept
{
#ifdef THORVG_GL_RASTER_SUPPORT
//We know renderer type, avoid dynamic_cast for performance.
auto renderer = static_cast<GlRenderer*>(Canvas::pImpl->renderer);
if (!renderer) return Result::MemoryCorruption;
if (!renderer->target(buffer, stride, w, h)) return Result::Unknown;
//Paints must be updated again with this new target.
Canvas::pImpl->needRefresh();
return Result::Success;
#endif
return Result::NonSupport;
}
unique_ptr<GlCanvas> GlCanvas::gen() noexcept
{
#ifdef THORVG_GL_RASTER_SUPPORT
if (GlRenderer::init() <= 0) return nullptr;
return unique_ptr<GlCanvas>(new GlCanvas);
#endif
return nullptr;
}
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