Use ThorVG instead of NanoSVG for importing SVGs

ThorVG is a platform-independent portable library for drawing vector-based
scene and animation.

Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/thirdparty/thorvg/src/lib/tvgGlCanvas.cpp b/thirdparty/thorvg/src/lib/tvgGlCanvas.cpp
new file mode 100644
index 0000000000..3a88b6d799
--- /dev/null
+++ b/thirdparty/thorvg/src/lib/tvgGlCanvas.cpp
@@ -0,0 +1,87 @@
+/*
+ * 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;
+}