mirror of
https://github.com/thorvg/thorvg.git
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84 lines
No EOL
3 KiB
C++
84 lines
No EOL
3 KiB
C++
/*
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* Copyright (c) 2024 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::Scene* scene[3] = {nullptr, nullptr, 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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for (int i = 0; i < 3; ++i) {
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scene[i] = tvg::Scene::gen();
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auto picture = tvg::Picture::gen();
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picture->load(EXAMPLE_DIR"/svg/tiger.svg");
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picture->size(w / 3, h);
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picture->translate((w / 3) * i, 0);
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scene[i]->push(picture);
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canvas->push(scene[i]);
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}
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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, 2.5f, true); //2.5 seconds
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//Clear the previously applied effects
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scene[0]->push(tvg::SceneEffect::ClearAll);
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//Apply Fill post effect (rgba)
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scene[0]->push(tvg::SceneEffect::Fill, 255, 255, 0, (int)(255.0f * progress));
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scene[1]->push(tvg::SceneEffect::ClearAll);
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scene[1]->push(tvg::SceneEffect::Fill, 255, 255, 255, (int)(255.0f * progress));
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scene[2]->push(tvg::SceneEffect::ClearAll);
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scene[2]->push(tvg::SceneEffect::Fill, 0, 255, 255, (int)(255.0f * progress));
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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, 1200, 400, 4, true);
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} |