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58418afac8
The update might affect areas outside of the default window. Update the sample to handle window resizing.
99 lines
No EOL
3.3 KiB
C++
99 lines
No EOL
3.3 KiB
C++
/*
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* Copyright (c) 2020 - 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::Shape* pShape = 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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//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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//fill property will be retained
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bg->fill(255, 255, 255);
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canvas->push(std::move(bg));
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//Shape
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auto shape = tvg::Shape::gen();
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/* Acquire shape pointer to access it again.
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instead, you should consider not to interrupt this pointer life-cycle. */
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pShape = shape.get();
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shape->appendRect(-100, -100, 200, 200);
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//fill property will be retained
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shape->fill(127, 255, 255);
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shape->strokeFill(0, 0, 255);
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shape->strokeWidth(1);
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canvas->push(std::move(shape));
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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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//clear buffer and redraw!
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if (!tvgexam::verify(canvas->clear(false))) 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(pShape->reset())) {
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pShape->appendRect(-100 + (800 * progress), -100 + (800 * progress), 200, 200, (100 * progress), (100 * progress));
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pShape->fill(127, 255, 255);
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pShape->strokeFill(0, 0, 255);
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pShape->strokeWidth(30 * progress);
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//Update shape for drawing (this may work asynchronously)
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canvas->update(pShape);
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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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} |