mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-07 21:23:32 +00:00
120 lines
No EOL
4.2 KiB
C++
120 lines
No EOL
4.2 KiB
C++
/*
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* Copyright (c) 2020 - 2025 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 "Example.h"
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/************************************************************************/
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/* ThorVG Drawing Contents */
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/************************************************************************/
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struct UserExample : tvgexam::Example
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{
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bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
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{
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if (!canvas) return false;
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//Create a Scene
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auto scene = tvg::Scene::gen();
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scene->opacity(175); //Apply opacity to scene (0 - 255)
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//Prepare Circle
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auto shape1 = tvg::Shape::gen();
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shape1->appendCircle(400, 400, 250, 250);
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shape1->fill(255, 255, 0);
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scene->push(shape1);
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//Round rectangle
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auto shape2 = tvg::Shape::gen();
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shape2->appendRect(450, 100, 200, 200, 50, 50);
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shape2->fill(0, 255, 0);
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shape2->strokeWidth(10);
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shape2->strokeFill(255, 255, 255);
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scene->push(shape2);
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//Draw the Scene onto the Canvas
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canvas->push(scene);
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//Create a Scene 2
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auto scene2 = tvg::Scene::gen();
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scene2->opacity(127); //Apply opacity to scene (0 - 255)
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scene2->scale(1.2);
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//Star
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auto shape3 = tvg::Shape::gen();
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//Appends Paths
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shape3->moveTo(199, 34);
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shape3->lineTo(253, 143);
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shape3->lineTo(374, 160);
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shape3->lineTo(287, 244);
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shape3->lineTo(307, 365);
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shape3->lineTo(199, 309);
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shape3->lineTo(97, 365);
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shape3->lineTo(112, 245);
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shape3->lineTo(26, 161);
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shape3->lineTo(146, 143);
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shape3->close();
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shape3->fill(0, 0, 255);
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shape3->strokeWidth(10);
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shape3->strokeFill(255, 255, 255);
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shape3->opacity(127);
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scene2->push(shape3);
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//Circle
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auto shape4 = tvg::Shape::gen();
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auto cx = 150.0f;
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auto cy = 150.0f;
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auto radius = 50.0f;
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auto halfRadius = radius * 0.552284f;
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//Append Paths
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shape4->moveTo(cx, cy - radius);
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shape4->cubicTo(cx + halfRadius, cy - radius, cx + radius, cy - halfRadius, cx + radius, cy);
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shape4->cubicTo(cx + radius, cy + halfRadius, cx + halfRadius, cy + radius, cx, cy+ radius);
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shape4->cubicTo(cx - halfRadius, cy + radius, cx - radius, cy + halfRadius, cx - radius, cy);
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shape4->cubicTo(cx - radius, cy - halfRadius, cx - halfRadius, cy - radius, cx, cy - radius);
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shape4->close();
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shape4->fill(255, 0, 0);
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shape4->strokeWidth(10);
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shape4->strokeFill(0, 0, 255);
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shape4->opacity(200);
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shape4->scale(3);
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scene2->push(shape4);
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//Draw the Scene onto the Canvas
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canvas->push(scene2);
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return true;
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}
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};
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/************************************************************************/
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/* Entry Point */
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/************************************************************************/
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int main(int argc, char **argv)
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{
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return tvgexam::main(new UserExample, argc, argv);
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} |