mirror of
https://github.com/thorvg/thorvg.git
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139 lines
No EOL
4.9 KiB
C++
139 lines
No EOL
4.9 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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tvg::Fill::ColorStop colorStops1[3];
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colorStops1[0] = {0, 255, 0, 0, 150};
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colorStops1[1] = {0.5, 0, 0, 255, 150};
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colorStops1[2] = {1, 127, 0, 127, 150};
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tvg::Fill::ColorStop colorStops2[2];
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colorStops2[0] = {0.3, 255, 0, 0, 255};
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colorStops2[1] = {1, 50, 0, 255, 155};
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tvg::Fill::ColorStop colorStops3[2];
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colorStops3[0] = {0, 0, 0, 255, 155};
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colorStops3[1] = {1, 0, 255, 0, 155};
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float dashPattern1[2] = {15, 15};
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// linear gradient stroke + linear gradient fill
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auto shape1 = tvg::Shape::gen();
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shape1->moveTo(150, 100);
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shape1->lineTo(200, 100);
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shape1->lineTo(200, 150);
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shape1->lineTo(300, 150);
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shape1->lineTo(250, 200);
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shape1->lineTo(200, 200);
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shape1->lineTo(200, 250);
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shape1->lineTo(150, 300);
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shape1->lineTo(150, 200);
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shape1->lineTo(100, 200);
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shape1->lineTo(100, 150);
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shape1->close();
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shape1->strokeFill(0, 255, 0);
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shape1->strokeWidth(20);
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shape1->strokeJoin(tvg::StrokeJoin::Miter);
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shape1->strokeCap(tvg::StrokeCap::Butt);
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auto fillStroke1 = tvg::LinearGradient::gen();
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fillStroke1->linear(100, 100, 250, 250);
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fillStroke1->colorStops(colorStops1, 3);
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shape1->strokeFill(fillStroke1);
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auto fill1 = tvg::LinearGradient::gen();
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fill1->linear(100, 100, 250, 250);
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fill1->colorStops(colorStops1, 3);
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shape1->fill(fill1);
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canvas->push(shape1);
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// radial gradient stroke + duplicate
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auto shape2 = tvg::Shape::gen();
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shape2->appendCircle(600, 175, 100, 60);
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shape2->strokeWidth(80);
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auto fillStroke2 = tvg::RadialGradient::gen();
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fillStroke2->radial(600, 175, 100, 600, 175, 0);
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fillStroke2->colorStops(colorStops2, 2);
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shape2->strokeFill(fillStroke2);
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auto shape3 = static_cast<tvg::Shape*>(shape2->duplicate());
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shape3->translate(0, 200);
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auto fillStroke3 = tvg::LinearGradient::gen();
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fillStroke3->linear(500, 115, 700, 235);
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fillStroke3->colorStops(colorStops3, 2);
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shape3->strokeFill(fillStroke3);
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auto shape4 = static_cast<tvg::Shape*>(shape2->duplicate());
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shape4->translate(0, 400);
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canvas->push(shape2);
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canvas->push(shape3);
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canvas->push(shape4);
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// dashed gradient stroke
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auto shape5 = tvg::Shape::gen();
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shape5->appendRect(100, 500, 300, 300, 50, 80);
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shape5->strokeWidth(20);
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shape5->strokeDash(dashPattern1, 2);
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shape5->strokeCap(tvg::StrokeCap::Butt);
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auto fillStroke5 = tvg::LinearGradient::gen();
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fillStroke5->linear(150, 450, 450, 750);
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fillStroke5->colorStops(colorStops3, 2);
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shape5->strokeFill(fillStroke5);
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auto fill5 = tvg::LinearGradient::gen();
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fill5->linear(150, 450, 450, 750);
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fill5->colorStops(colorStops3, 2);
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shape5->fill(fill5);
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shape5->scale(0.8);
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canvas->push(shape5);
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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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} |