mirror of
https://github.com/thorvg/thorvg.git
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100 lines
No EOL
3.5 KiB
C++
100 lines
No EOL
3.5 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* maskShape = nullptr;
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tvg::Shape* mask = 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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// background
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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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//image
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auto picture1 = tvg::Picture::gen();
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if (!tvgexam::verify(picture1->load(EXAMPLE_DIR"/svg/cartman.svg"))) return false;
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picture1->size(400, 400);
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canvas->push(picture1);
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auto picture2 = tvg::Picture::gen();
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picture2->load(EXAMPLE_DIR"/svg/logo.svg");
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picture2->size(400, 400);
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//mask
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maskShape = tvg::Shape::gen();
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maskShape->appendCircle(180, 180, 75, 75);
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maskShape->fill(125, 125, 125);
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maskShape->strokeFill(25, 25, 25);
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maskShape->strokeJoin(tvg::StrokeJoin::Round);
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maskShape->strokeWidth(10);
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canvas->push(maskShape);
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mask = tvg::Shape::gen();
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mask->appendCircle(180, 180, 75, 75);
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mask->fill(255, 255, 255); //AlphaMask RGB channels are unused.
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picture2->mask(mask, tvg::MaskMethod::Alpha);
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canvas->push(picture2);
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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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/* Update shape directly.
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You can update only necessary properties of this shape,
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while retaining other properties. */
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auto progress = tvgexam::progress(elapsed, 3.0f, true); //play time 3 sec.
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// Translate mask object with its stroke & update
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maskShape->translate(0 , progress * 300 - 100);
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mask->translate(0 , progress * 300 - 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);
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} |