godot/thirdparty/thorvg/src/lib/tvgGlCanvas.cpp
K. S. Ernest (iFire) Lee 609389af46 Use ThorVG instead of NanoSVG for importing SVGs
ThorVG is a platform-independent portable library for drawing vector-based scene and animation.
Fixups to ThorVG integration

Update 0.4.0


Update readme.
Restore upsample.

Missed on scsub.


Modules are needed.

Restore build.

Do the math properly.

Force ColorStops to be not const.
2021-11-10 02:37:59 -08:00

88 lines
2.7 KiB
C++

/*
* Copyright (c) 2020-2021 Samsung Electronics Co., Ltd. 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;
}