mirror of
https://github.com/thorvg/thorvg.git
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79 lines
No EOL
2.8 KiB
C++
79 lines
No EOL
2.8 KiB
C++
/*
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* Copyright (c) 2024 - 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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static constexpr uint32_t VPORT_SIZE = 300;
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uint32_t w, h;
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tvg::Picture* picture = nullptr;
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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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auto mask = tvg::Shape::gen();
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mask->appendCircle(w/2, h/2, w/2, h/2);
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mask->fill(255, 255, 255);
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//Use the opacity for a half-translucent mask.
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mask->opacity(125);
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picture = tvg::Picture::gen();
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if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/svg/tiger.svg"))) return false;
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picture->size(w, h);
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picture->mask(mask, tvg::MaskMethod::Alpha);
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canvas->push(picture);
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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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if (!tvgexam::verify(canvas->viewport((w - VPORT_SIZE) * progress, (h - VPORT_SIZE) * progress, VPORT_SIZE, VPORT_SIZE))) return false;
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canvas->update();
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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, 1024, 1024, 4, true);
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} |