mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-07 21:23:32 +00:00
4e64804839
just changed the size to another one for better showcase since 800x800 is not preferred by intel arc chipset. animations look stutter.
133 lines
No EOL
4.4 KiB
C++
133 lines
No EOL
4.4 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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return update(canvas, 0);
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}
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bool update(tvg::Canvas* canvas, uint32_t elapsed) override
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{
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if (!canvas) return false;
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tvgexam::verify(canvas->remove());
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auto progress = tvgexam::progress(elapsed, 2.0f, true); //play time 2 sec.
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//Shape1
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auto shape = tvg::Shape::gen();
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shape->appendRect(-285, -300, 280, 280);
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shape->appendRect(-145, -160, 380, 380, 100, 100);
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shape->appendCircle(195, 180, 140, 140);
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shape->appendCircle(235, 320, 210, 140);
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//LinearGradient
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auto fill = tvg::LinearGradient::gen();
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fill->linear(-285, -300, 285, 300);
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//Gradient Color Stops
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tvg::Fill::ColorStop colorStops[3];
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colorStops[0] = {0, 255, 0, 0, 255};
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colorStops[1] = {0.5, 255, 255, 0, 255};
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colorStops[2] = {1, 255, 255, 255, 255};
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fill->colorStops(colorStops, 3);
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shape->fill(fill);
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shape->translate(385, 400);
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//Update Shape1
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shape->scale(1.0f - 0.75f * progress);
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shape->rotate(360.0f * progress);
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canvas->push(shape);
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//Shape2
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auto shape2 = tvg::Shape::gen();
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shape2->appendRect(-50, -50, 180, 180);
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shape2->translate(480, 480);
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//LinearGradient
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auto fill2 = tvg::LinearGradient::gen();
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fill2->linear(-50, -50, 130, 130);
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//Gradient Color Stops
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tvg::Fill::ColorStop colorStops2[2];
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colorStops2[0] = {0, 0, 0, 0, 255};
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colorStops2[1] = {1, 255, 255, 255, 255};
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fill2->colorStops(colorStops2, 2);
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shape2->fill(fill2);
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shape2->rotate(360 * progress);
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shape2->translate(480 + progress * 300, 480);
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canvas->push(shape2);
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//Shape3
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auto shape3 = tvg::Shape::gen();
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/* Look, how shape3's origin is different with shape2
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The center of the shape is the anchor point for transformation. */
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shape3->appendRect(100, 100, 150, 100, 20, 20);
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//RadialGradient
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auto fill3 = tvg::RadialGradient::gen();
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fill3->radial(175, 150, 75, 175, 150, 0);
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//Gradient Color Stops
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tvg::Fill::ColorStop colorStops3[4];
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colorStops3[0] = {0, 0, 127, 0, 127};
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colorStops3[1] = {0.25, 0, 170, 170, 170};
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colorStops3[2] = {0.5, 200, 0, 200, 200};
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colorStops3[3] = {1, 255, 255, 255, 255};
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fill3->colorStops(colorStops3, 4);
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shape3->fill(fill3);
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shape3->translate(480, 480);
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//Update Shape3
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shape3->rotate(-360.0f * progress);
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shape3->scale(0.5f + progress);
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canvas->push(shape3);
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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, true, 960, 960);
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} |