/* * Copyright (c) 2020 - 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 "Example.h" /************************************************************************/ /* ThorVG Drawing Contents */ /************************************************************************/ struct UserExample : tvgexam::Example { bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override { return update(canvas, 0); } bool update(tvg::Canvas* canvas, uint32_t elapsed) override { if (!canvas) return false; if (!tvgexam::verify(canvas->remove())) return false; auto progress = tvgexam::progress(elapsed, 2.0f, true); //play time 2 sec. //Shape1 auto shape = tvg::Shape::gen(); shape->appendRect(-285, -300, 280, 280); shape->appendRect(-145, -160, 380, 380, 100, 100); shape->appendCircle(155, 140, 140, 140); shape->appendCircle(235, 320, 210, 140); shape->fill(255, 255, 255); shape->translate(425, 480); shape->scale(1.0f - 0.75f * progress); shape->rotate(360 * progress); canvas->push(shape); //Shape2 auto shape2 = tvg::Shape::gen(); shape2->appendRect(-50, -50, 180, 180); shape2->fill(0, 255, 255); shape2->translate(480, 480); shape2->rotate(360 * progress); shape2->translate(400 + progress * 300, 400); canvas->push(shape2); //Shape3 auto shape3 = tvg::Shape::gen(); /* Look, how shape3's origin is different with shape2 The center of the shape is the anchor point for transformation. */ shape3->appendRect(100, 100, 230, 130, 20, 20); shape3->fill(255, 0, 255); shape3->translate(560, 560); shape3->rotate(-360.0f * progress); shape3->scale(0.5f + progress); canvas->push(shape3); return true; } }; /************************************************************************/ /* Entry Point */ /************************************************************************/ int main(int argc, char **argv) { return tvgexam::main(new UserExample, argc, argv, true, 960, 960); }