/* * Copyright (c) 2020 - 2025 the ThorVG project. All rights reserved. * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "Example.h" /************************************************************************/ /* ThorVG Drawing Contents */ /************************************************************************/ struct UserExample : tvgexam::Example { bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override { if (!canvas) return false; //Image ifstream file(EXAMPLE_DIR"/image/rawimage_200x300.raw", ios::binary); if (!file.is_open()) return false; auto data = (uint32_t*) malloc(sizeof(uint32_t) * (200 * 300)); file.read(reinterpret_cast(data), sizeof (uint32_t) * 200 * 300); file.close(); //Masking { //Solid Rectangle auto shape = tvg::Shape::gen(); shape->appendRect(0, 0, 400, 400); shape->fill(0, 0, 255); //Mask auto mask = tvg::Shape::gen(); mask->appendCircle(200, 200, 125, 125); mask->fill(255, 255, 255); //AlphaMask RGB channels are unused. //Nested Mask auto nMask = tvg::Shape::gen(); nMask->appendCircle(220, 220, 125, 125); nMask->fill(255, 255, 255); //AlphaMask RGB channels are unused. mask->mask(nMask, tvg::MaskMethod::Alpha); shape->mask(mask, tvg::MaskMethod::Alpha); canvas->push(shape); //SVG auto svg = tvg::Picture::gen(); if (!tvgexam::verify(svg->load(EXAMPLE_DIR"/svg/cartman.svg"))) return false; svg->opacity(100); svg->scale(3); svg->translate(50, 400); //Mask2 auto mask2 = tvg::Shape::gen(); mask2->appendCircle(150, 500, 75, 75); mask2->appendRect(150, 500, 200, 200, 30, 30); mask2->fill(255, 255, 255); //AlphaMask RGB channels are unused. svg->mask(mask2, tvg::MaskMethod::Alpha); canvas->push(svg); //Star auto star = tvg::Shape::gen(); star->fill(80, 80, 80); star->moveTo(599, 34); star->lineTo(653, 143); star->lineTo(774, 160); star->lineTo(687, 244); star->lineTo(707, 365); star->lineTo(599, 309); star->lineTo(497, 365); star->lineTo(512, 245); star->lineTo(426, 161); star->lineTo(546, 143); star->close(); star->strokeWidth(30); star->strokeJoin(tvg::StrokeJoin::Miter); star->strokeFill(255, 255, 255); //Mask3 auto mask3 = tvg::Shape::gen(); mask3->appendCircle(600, 200, 125, 125); mask3->fill(255, 255, 255); //AlphaMask RGB channels are unused. mask3->opacity(200); star->mask(mask3, tvg::MaskMethod::Alpha); canvas->push(star); auto image = tvg::Picture::gen(); if (!tvgexam::verify(image->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image->translate(500, 400); //Mask4 auto mask4 = tvg::Shape::gen(); mask4->moveTo(599, 384); mask4->lineTo(653, 493); mask4->lineTo(774, 510); mask4->lineTo(687, 594); mask4->lineTo(707, 715); mask4->lineTo(599, 659); mask4->lineTo(497, 715); mask4->lineTo(512, 595); mask4->lineTo(426, 511); mask4->lineTo(546, 493); mask4->close(); mask4->fill(255, 255, 255); //AlphaMask RGB channels are unused. mask4->opacity(70); image->mask(mask4, tvg::MaskMethod::Alpha); canvas->push(image); } //Inverse Masking { //Solid Rectangle auto shape = tvg::Shape::gen(); shape->appendRect(800, 0, 400, 400); shape->fill(0, 0, 255); //Mask auto mask = tvg::Shape::gen(); mask->appendCircle(1000, 200, 125, 125); mask->fill(255, 255, 255); //InvAlphaMask RGB channels are unused. //Nested Mask auto nMask = tvg::Shape::gen(); nMask->appendCircle(1020, 220, 125, 125); nMask->fill(255, 255, 255); //InvAlphaMask RGB channels are unused. mask->mask(nMask, tvg::MaskMethod::InvAlpha); shape->mask(mask, tvg::MaskMethod::InvAlpha); canvas->push(shape); //SVG auto svg = tvg::Picture::gen(); if (!tvgexam::verify(svg->load(EXAMPLE_DIR"/svg/cartman.svg"))) return false; svg->opacity(100); svg->scale(3); svg->translate(850, 400); //Mask2 auto mask2 = tvg::Shape::gen(); mask2->appendCircle(950, 500, 75, 75); mask2->appendRect(950, 500, 200, 200, 30, 30); mask2->fill(255, 255, 255); //InvAlphaMask RGB channels are unused. svg->mask(mask2, tvg::MaskMethod::InvAlpha); canvas->push(svg); //Star auto star = tvg::Shape::gen(); star->fill(80, 80, 80); star->moveTo(1399, 34); star->lineTo(1453, 143); star->lineTo(1574, 160); star->lineTo(1487, 244); star->lineTo(1507, 365); star->lineTo(1399, 309); star->lineTo(1297, 365); star->lineTo(1312, 245); star->lineTo(1226, 161); star->lineTo(1346, 143); star->close(); star->strokeWidth(10); star->strokeFill(255, 255, 255); //Mask3 auto mask3 = tvg::Shape::gen(); mask3->appendCircle(1400, 200, 125, 125); mask3->fill(255, 255, 255); //InvAlphaMask RGB channels are unused. star->mask(mask3, tvg::MaskMethod::InvAlpha); canvas->push(star); auto image = tvg::Picture::gen(); if (!tvgexam::verify(image->load(data, 200, 300, tvg::ColorSpace::ABGR8888, true))) return false; image->translate(1300, 400); //Mask4 auto mask4 = tvg::Shape::gen(); mask4->moveTo(1399, 384); mask4->lineTo(1453, 493); mask4->lineTo(1574, 510); mask4->lineTo(1487, 594); mask4->lineTo(1507, 715); mask4->lineTo(1399, 659); mask4->lineTo(1297, 715); mask4->lineTo(1312, 595); mask4->lineTo(1226, 511); mask4->lineTo(1346, 493); mask4->close(); mask4->fill(255, 255, 255); //InvAlphaMask RGB channels are unused. mask4->opacity(70); image->mask(mask4, tvg::MaskMethod::InvAlpha); canvas->push(image); } free(data); return true; } }; /************************************************************************/ /* Entry Point */ /************************************************************************/ int main(int argc, char **argv) { return tvgexam::main(new UserExample, argc, argv, false, 1600, 800); }