thorvg/examples/Stroke.cpp
2025-01-03 14:32:31 +09:00

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5.1 KiB
C++

/*
* 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
{
if (!canvas) return false;
//Shape 1
auto shape1 = tvg::Shape::gen();
shape1->appendRect(50, 50, 200, 200);
shape1->fill(50, 50, 50);
shape1->strokeFill(255, 255, 255); //color: r, g, b
shape1->strokeJoin(tvg::StrokeJoin::Bevel); //default is Bevel
shape1->strokeWidth(10); //width: 10px
canvas->push(shape1);
//Shape 2
auto shape2 = tvg::Shape::gen();
shape2->appendRect(300, 50, 200, 200);
shape2->fill(50, 50, 50);
shape2->strokeFill(255, 255, 255);
shape2->strokeJoin(tvg::StrokeJoin::Round);
shape2->strokeWidth(10);
canvas->push(shape2);
//Shape 3
auto shape3 = tvg::Shape::gen();
shape3->appendRect(550, 50, 200, 200);
shape3->fill(50, 50, 50);
shape3->strokeFill(255, 255, 255);
shape3->strokeJoin(tvg::StrokeJoin::Miter);
shape3->strokeWidth(10);
canvas->push(shape3);
//Shape 4
auto shape4 = tvg::Shape::gen();
shape4->appendCircle(150, 400, 100, 100);
shape4->fill(50, 50, 50);
shape4->strokeFill(255, 255, 255);
shape4->strokeWidth(1);
canvas->push(shape4);
//Shape 5
auto shape5 = tvg::Shape::gen();
shape5->appendCircle(400, 400, 100, 100);
shape5->fill(50, 50, 50);
shape5->strokeFill(255, 255, 255);
shape5->strokeWidth(2);
canvas->push(shape5);
//Shape 6
auto shape6 = tvg::Shape::gen();
shape6->appendCircle(650, 400, 100, 100);
shape6->fill(50, 50, 50);
shape6->strokeFill(255, 255, 255);
shape6->strokeWidth(4);
canvas->push(shape6);
//Stroke width test
for (int i = 0; i < 10; ++i) {
auto hline = tvg::Shape::gen();
hline->moveTo(50, 550 + (25 * i));
hline->lineTo(300, 550 + (25 * i));
hline->strokeFill(255, 255, 255); //color: r, g, b
hline->strokeWidth(i + 1); //stroke width
hline->strokeCap(tvg::StrokeCap::Round); //default is Square
canvas->push(hline);
auto vline = tvg::Shape::gen();
vline->moveTo(500 + (25 * i), 550);
vline->lineTo(500 + (25 * i), 780);
vline->strokeFill(255, 255, 255); //color: r, g, b
vline->strokeWidth(i + 1); //stroke width
vline->strokeCap(tvg::StrokeCap::Round); //default is Square
canvas->push(vline);
}
//Stroke cap test
auto line1 = tvg::Shape::gen();
line1->moveTo(360, 580);
line1->lineTo(450, 580);
line1->strokeFill(255, 255, 255); //color: r, g, b
line1->strokeWidth(15);
line1->strokeCap(tvg::StrokeCap::Round);
auto line2 = static_cast<tvg::Shape*>(line1->duplicate());
auto line3 = static_cast<tvg::Shape*>(line1->duplicate());
canvas->push(line1);
line2->strokeCap(tvg::StrokeCap::Square);
line2->translate(0, 50);
canvas->push(line2);
line3->strokeCap(tvg::StrokeCap::Butt);
line3->translate(0, 100);
canvas->push(line3);
return true;
}
};
/************************************************************************/
/* Entry Point */
/************************************************************************/
int main(int argc, char **argv)
{
return tvgexam::main(new UserExample, argc, argv);
}