mirror of
https://github.com/thorvg/thorvg.git
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118 lines
No EOL
4.1 KiB
C++
118 lines
No EOL
4.1 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* pScene1 = nullptr; //direction both
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tvg::Scene* pScene2 = nullptr; //direction horizontal
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tvg::Scene* pScene3 = nullptr; //direction vertical
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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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//Prepare a scene for post effects (direction both)
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{
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auto scene = tvg::Scene::gen();
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pScene1 = scene.get();
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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 / 2, h / 2);
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scene->push(std::move(picture));
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canvas->push(std::move(scene));
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}
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//Prepare a scene for post effects (direction horizontal)
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{
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auto scene = tvg::Scene::gen();
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pScene2 = scene.get();
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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 / 2, h / 2);
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picture->translate(w / 2, 0);
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scene->push(std::move(picture));
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canvas->push(std::move(scene));
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}
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//Prepare a scene for post effects (direction vertical)
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{
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auto scene = tvg::Scene::gen();
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pScene3 = scene.get();
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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 / 2, h / 2);
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picture->translate(0, h / 2);
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scene->push(std::move(picture));
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canvas->push(std::move(scene));
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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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canvas->clear(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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pScene1->push(tvg::SceneEffect::ClearAll);
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//Apply GaussianBlur post effect (sigma, direction, border option, quality)
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pScene1->push(tvg::SceneEffect::GaussianBlur, 10.0f * progress, 0, 0, 100);
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pScene2->push(tvg::SceneEffect::ClearAll);
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pScene2->push(tvg::SceneEffect::GaussianBlur, 10.0f * progress, 1, 0, 100);
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pScene3->push(tvg::SceneEffect::ClearAll);
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pScene3->push(tvg::SceneEffect::GaussianBlur, 10.0f * progress, 2, 0, 100);
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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, 800, 800, 4, true);
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} |