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14b2508cd1
[issues 1479: Shape](https://github.com/thorvg/thorvg/issues/1479) In order to build you need third party libraries. Before you start please read this: [LearnWebGPU](https://eliemichel.github.io/LearnWebGPU/getting-started/hello-webgpu.html) Usage example: // init glfw glfwInit(); // create a windowed mode window and its opengl context glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); GLFWwindow* window = glfwCreateWindow(800, 800, "WebGPU base app", nullptr, nullptr); // get window size int width{}, height{}; glfwGetWindowSize(window, &width, &height); // init engine webgpu tvg::Initializer::init(tvg::CanvasEngine::Wg, 0); // create wg canvas auto canvasWg = tvg::WgCanvas::gen(); canvas_wg->target(glfwGetWin32Window(window), width, height); // prepare a shape (Rectangle + Rectangle + Circle + Circle) auto shape1 = tvg::Shape::gen(); shape1->appendRect(0, 0, 200, 200); //x, y, w, h shape1->appendRect(100, 100, 300, 300, 100, 100); //x, y, w, h, rx, ry shape1->appendCircle(400, 400, 100, 100); //cx, cy, radiusW, radiusH shape1->appendCircle(400, 500, 170, 100); //cx, cy, radiusW, radiusH shape1->fill(255, 255, 0); //r, g, b canvas_wg->push(std::move(shape1)); while (!glfwWindowShouldClose(window)) { // webgpu canvas_wg->draw(); canvas_wg->sync(); // pull events glfwPollEvents(); } // terminate engine and window tvg::Initializer::term(tvg::CanvasEngine::Wg); glfwDestroyWindow(window); glfwTerminate();
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/*
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* Copyright (c) 2023 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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/************************************************************************/
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/* Internal Class Implementation */
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/************************************************************************/
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struct WgCanvas::Impl
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{
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};
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/************************************************************************/
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/* External Class Implementation */
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/************************************************************************/
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#ifdef THORVG_WG_RASTER_SUPPORT
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WgCanvas::WgCanvas() : Canvas(WgRenderer::gen()), pImpl(new Impl)
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#else
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WgCanvas::WgCanvas() : Canvas(nullptr), pImpl(nullptr)
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#endif
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{
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}
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WgCanvas::~WgCanvas()
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{
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delete pImpl;
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}
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Result WgCanvas::target(void* window, uint32_t w, uint32_t h) noexcept
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{
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#ifdef THORVG_WG_RASTER_SUPPORT
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if (!window) return Result::InvalidArguments;
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if ((w == 0) || (h == 0)) return Result::InvalidArguments;
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//We know renderer type, avoid dynamic_cast for performance.
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auto renderer = static_cast<WgRenderer*>(Canvas::pImpl->renderer);
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if (!renderer) return Result::MemoryCorruption;
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if (!renderer->target(window, w, h)) return Result::Unknown;
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//Paints must be updated again with this new target.
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Canvas::pImpl->needRefresh();
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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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unique_ptr<WgCanvas> WgCanvas::gen() noexcept
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{
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#ifdef THORVG_WG_RASTER_SUPPORT
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return unique_ptr<WgCanvas>(new WgCanvas);
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#endif
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return nullptr;
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}
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