mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-07 13:13:23 +00:00
120 lines
No EOL
3.8 KiB
C++
120 lines
No EOL
3.8 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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tvg::Shape* solid = nullptr;
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tvg::Shape* gradient = nullptr;
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uint32_t w, h;
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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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//Shape (for BG)
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auto bg = tvg::Shape::gen();
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bg->appendRect(0, 0, w, h);
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bg->fill(255, 255, 255);
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canvas->push(bg);
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//Solid Shape
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{
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solid = tvg::Shape::gen();
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solid->appendRect(-100, -100, 200, 200);
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//fill property will be retained
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solid->fill(127, 255, 255);
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solid->strokeFill(0, 0, 255);
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solid->strokeWidth(1);
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canvas->push(solid);
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}
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//Gradient Shape
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{
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gradient = tvg::Shape::gen();
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gradient->appendRect(w - 200, 0, 200, 200);
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//LinearGradient
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auto fill = tvg::LinearGradient::gen();
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fill->linear(w - 200, 0, w - 200 + 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, 127};
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colorStops[1] = {0.5, 255, 255, 0, 127};
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colorStops[2] = {1, 255, 255, 255, 127};
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fill->colorStops(colorStops, 3);
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gradient->fill(fill);
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canvas->push(gradient);
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}
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this->w = w;
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this->h = h;
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return true;
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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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auto progress = tvgexam::progress(elapsed, 2.0f, true); //play time 2 sec.
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//Reset Shape
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if (tvgexam::verify(solid->reset())) {
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//Solid Shape
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solid->appendRect(-100 + (w * progress), -100 + (h * progress), 200, 200, (100 * progress), (100 * progress));
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solid->fill(127, 255, 255);
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solid->strokeFill(0, 0, 255);
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solid->strokeWidth(30 * progress);
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//Gradient Shape
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gradient->translate(-(w * progress), (h * progress));
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canvas->update();
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return true;
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}
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return false;
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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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} |