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

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2.7 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
auto shape = tvg::Shape::gen();
shape->appendRect(-100, -100, 200, 200);
shape->fill(255, 255, 255);
canvas->push(shape);
return true;
}
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.
//Shape
auto shape = tvg::Shape::gen();
shape->appendRect(-100, -100, 200, 200, (100 * progress), (100 * progress));
shape->fill(rand() % 255, rand() % 255, rand() % 255);
shape->translate(800 * progress, 800 * progress);
shape->scale(1 - 0.75 * progress);
shape->rotate(360 * progress);
canvas->push(shape);
return true;
}
};
/************************************************************************/
/* Entry Point */
/************************************************************************/
int main(int argc, char **argv)
{
return tvgexam::main(new UserExample, argc, argv, true);
}