mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-07 21:23:32 +00:00
142 lines
No EOL
4.9 KiB
C++
142 lines
No EOL
4.9 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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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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const int colorCnt = 4;
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tvg::Fill::ColorStop colorStops[colorCnt];
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colorStops[0] = {0.0f, 127, 39, 255, 255};
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colorStops[1] = {0.33f, 159, 112, 253, 255};
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colorStops[2] = {0.66f, 253, 191, 96, 255};
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colorStops[3] = {1.0f, 255, 137, 17, 255};
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//Radial grad
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{
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float x1, y1 = 80.0f, r = 120.0f;
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//Pad
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x1 = 20.0f;
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auto shape1 = tvg::Shape::gen();
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shape1->appendRect(x1, y1, 2.0f * r, 2.0f * r);
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auto fill1 = tvg::RadialGradient::gen();
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fill1->radial(x1 + r, y1 + r, 40.0f, x1 + r, y1 + r, 0.0f);
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fill1->colorStops(colorStops, colorCnt);
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fill1->spread(tvg::FillSpread::Pad);
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shape1->fill(fill1);
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canvas->push(shape1);
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//Reflect
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x1 = 280.0f;
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auto shape2 = tvg::Shape::gen();
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shape2->appendRect(x1, y1, 2.0f * r, 2.0f * r);
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auto fill2 = tvg::RadialGradient::gen();
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fill2->radial(x1 + r, y1 + r, 40.0f, x1 + r, y1 + r, 0.0f);
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fill2->colorStops(colorStops, colorCnt);
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fill2->spread(tvg::FillSpread::Reflect);
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shape2->fill(fill2);
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canvas->push(shape2);
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//Repeat
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x1 = 540.0f;
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auto shape3 = tvg::Shape::gen();
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shape3->appendRect(x1, y1, 2.0f * r, 2.0f * r);
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auto fill3 = tvg::RadialGradient::gen();
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fill3->radial(x1 + r, y1 + r, 40.0f, x1 + r, y1 + r, 0.0f);
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fill3->colorStops(colorStops, colorCnt);
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fill3->spread(tvg::FillSpread::Repeat);
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shape3->fill(fill3);
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canvas->push(shape3);
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}
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//Linear grad
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{
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float x1, y1 = 480.0f, r = 120.0f;
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//Pad
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x1 = 20.0f;
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auto shape1 = tvg::Shape::gen();
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shape1->appendRect(x1, y1, 2.0f * r, 2.0f * r);
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auto fill1 = tvg::LinearGradient::gen();
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fill1->linear(x1, y1, x1 + 50.0f, y1 + 50.0f);
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fill1->colorStops(colorStops, colorCnt);
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fill1->spread(tvg::FillSpread::Pad);
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shape1->fill(fill1);
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canvas->push(shape1);
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//Reflect
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x1 = 280.0f;
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auto shape2 = tvg::Shape::gen();
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shape2->appendRect(x1, y1, 2.0f * r, 2.0f * r);
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auto fill2 = tvg::LinearGradient::gen();
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fill2->linear(x1, y1, x1 + 50.0f, y1 + 50.0f);
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fill2->colorStops(colorStops, colorCnt);
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fill2->spread(tvg::FillSpread::Reflect);
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shape2->fill(fill2);
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canvas->push(shape2);
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//Repeat
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x1 = 540.0f;
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auto shape3 = tvg::Shape::gen();
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shape3->appendRect(x1, y1, 2.0f * r, 2.0f * r);
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auto fill3 = tvg::LinearGradient::gen();
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fill3->linear(x1, y1, x1 + 50.0f, y1 + 50.0f);
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fill3->colorStops(colorStops, colorCnt);
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fill3->spread(tvg::FillSpread::Repeat);
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shape3->fill(fill3);
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canvas->push(shape3);
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return true;
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}
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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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} |