/* * Copyright (c) 2023 - 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 source 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(); //background auto bg = tvg::Shape::gen(); bg->appendRect(0, 0, 625, h); bg->fill(50, 50, 50); canvas->push(bg); { //Shape + Shape Mask Add auto shape = tvg::Shape::gen(); shape->appendCircle(125, 100, 150, 150); shape->fill(255, 255, 255); auto mask = tvg::Shape::gen(); mask->appendCircle(125, 100, 50, 50); mask->fill(255, 255, 255); auto add = tvg::Shape::gen(); add->appendCircle(175, 100, 50, 50); add->fill(255, 255, 255); mask->mask(add, tvg::MaskMethod::Add); shape->mask(mask, tvg::MaskMethod::Alpha); canvas->push(shape); //Shape + Shape Mask Subtract auto shape2 = tvg::Shape::gen(); shape2->appendCircle(375, 100, 150, 150); shape2->fill(255, 255, 255, 255); auto mask2 = tvg::Shape::gen(); mask2->appendCircle(375, 100, 50, 50); mask2->fill(255, 255, 255, 127); auto sub = tvg::Shape::gen(); sub->appendCircle(400, 100, 50, 50); sub->fill(255, 255, 255); mask2->mask(sub, tvg::MaskMethod::Subtract); shape2->mask(mask2, tvg::MaskMethod::Alpha); canvas->push(shape2); //Shape + Shape Mask Intersect auto shape3 = tvg::Shape::gen(); shape3->appendCircle(625, 100, 50, 50); shape3->fill(255, 255, 255, 127); auto mask3 = tvg::Shape::gen(); mask3->appendCircle(625, 100, 50, 50); mask3->fill(255, 255, 255, 127); auto inter = tvg::Shape::gen(); inter->appendCircle(650, 100, 50, 50); inter->fill(255, 255, 255); mask3->mask(inter, tvg::MaskMethod::Intersect); shape3->mask(mask3, tvg::MaskMethod::Alpha); canvas->push(shape3); //Shape + Shape Mask Difference auto shape4 = tvg::Shape::gen(); shape4->appendCircle(875, 100, 150, 150); shape4->fill(255, 255, 255); auto mask4 = tvg::Shape::gen(); mask4->appendCircle(875, 100, 50, 50); mask4->fill(255, 255, 255); auto diff = tvg::Shape::gen(); diff->appendCircle(900, 100, 50, 50); diff->fill(255, 255, 255); mask4->mask(diff, tvg::MaskMethod::Difference); shape4->mask(mask4, tvg::MaskMethod::Alpha); canvas->push(shape4); //Shape + Shape Mask Lighten auto shape5 = tvg::Shape::gen(); shape5->appendCircle(1125, 100, 150, 150); shape5->fill(255, 255, 255); auto mask5 = tvg::Shape::gen(); mask5->appendCircle(1125, 100, 50, 50); mask5->fill(255, 255, 255, 200); auto light = tvg::Shape::gen(); light->appendCircle(1150, 100, 50, 50); light->fill(255, 255, 255); mask5->mask(light, tvg::MaskMethod::Lighten); shape5->mask(mask5, tvg::MaskMethod::Alpha); canvas->push(shape5); //Shape + Shape Mask Darken auto shape6 = tvg::Shape::gen(); shape6->appendCircle(1375, 100, 150, 150); shape6->fill(255, 255, 255); auto mask6 = tvg::Shape::gen(); mask6->appendCircle(1375, 100, 50, 50); mask6->fill(255, 255, 255, 200); auto dark = tvg::Shape::gen(); dark->appendCircle(1400, 100, 50, 50); dark->fill(255, 255, 255); mask6->mask(dark, tvg::MaskMethod::Darken); shape6->mask(mask6, tvg::MaskMethod::Alpha); canvas->push(shape6); } { //Shape + Shape Mask Add auto shape = tvg::Shape::gen(); shape->appendCircle(125, 300, 100, 100); shape->fill(255, 255, 255); auto mask = tvg::Shape::gen(); mask->appendCircle(125, 300, 50, 50); mask->fill(255, 255, 255); auto add = tvg::Shape::gen(); add->appendCircle(175, 300, 50, 50); add->fill(255, 255, 255); mask->mask(add, tvg::MaskMethod::Add); shape->mask(mask, tvg::MaskMethod::InvAlpha); canvas->push(shape); //Shape + Shape Mask Subtract auto shape2 = tvg::Shape::gen(); shape2->appendCircle(375, 300, 100, 100); shape2->fill(255, 255, 255, 255); auto mask2 = tvg::Shape::gen(); mask2->appendCircle(375, 300, 50, 50); mask2->fill(255, 255, 255, 127); auto sub = tvg::Shape::gen(); sub->appendCircle(400, 300, 50, 50); sub->fill(255, 255, 255); mask2->mask(sub, tvg::MaskMethod::Subtract); shape2->mask(mask2, tvg::MaskMethod::InvAlpha); canvas->push(shape2); //Shape + Shape Mask Intersect auto shape3 = tvg::Shape::gen(); shape3->appendCircle(625, 300, 100, 100); shape3->fill(255, 255, 255, 127); auto mask3 = tvg::Shape::gen(); mask3->appendCircle(625, 300, 50, 50); mask3->fill(255, 255, 255, 127); auto inter = tvg::Shape::gen(); inter->appendCircle(650, 300, 50, 50); inter->fill(255, 255, 255); mask3->mask(inter, tvg::MaskMethod::Intersect); shape3->mask(mask3, tvg::MaskMethod::InvAlpha); canvas->push(shape3); //Shape + Shape Mask Difference auto shape4 = tvg::Shape::gen(); shape4->appendCircle(875, 300, 100, 100); shape4->fill(255, 255, 255); auto mask4 = tvg::Shape::gen(); mask4->appendCircle(875, 300, 50, 50); mask4->fill(255, 255, 255); auto diff = tvg::Shape::gen(); diff->appendCircle(900, 300, 50, 50); diff->fill(255, 255, 255); mask4->mask(diff, tvg::MaskMethod::Difference); shape4->mask(mask4, tvg::MaskMethod::InvAlpha); canvas->push(shape4); //Shape + Shape Mask Lighten auto shape5 = tvg::Shape::gen(); shape5->appendCircle(1125, 300, 100, 100); shape5->fill(255, 255, 255); auto mask5 = tvg::Shape::gen(); mask5->appendCircle(1125, 300, 50, 50); mask5->fill(255, 255, 255, 200); auto light = tvg::Shape::gen(); light->appendCircle(1150, 300, 50, 50); light->fill(255, 255, 255); mask5->mask(light, tvg::MaskMethod::Lighten); shape5->mask(mask5, tvg::MaskMethod::InvAlpha); canvas->push(shape5); //Shape + Shape Mask Darken auto shape6 = tvg::Shape::gen(); shape6->appendCircle(1375, 300, 100, 100); shape6->fill(255, 255, 255); auto mask6 = tvg::Shape::gen(); mask6->appendCircle(1375, 300, 50, 50); mask6->fill(255, 255, 255, 200); auto dark = tvg::Shape::gen(); dark->appendCircle(1400, 300, 50, 50); dark->fill(255, 255, 255); mask6->mask(dark, tvg::MaskMethod::Darken); shape6->mask(mask6, tvg::MaskMethod::InvAlpha); canvas->push(shape6); } { //Rect + Rect Mask Add auto shape = tvg::Shape::gen(); shape->appendRect(75, 450, 150, 150); shape->fill(255, 255, 255); auto mask = tvg::Shape::gen(); mask->appendRect(75, 500, 100, 100); mask->fill(255, 255, 255); auto add = tvg::Shape::gen(); add->appendRect(125, 450, 100, 100); add->fill(255, 255, 255); mask->mask(add, tvg::MaskMethod::Add); shape->mask(mask, tvg::MaskMethod::Alpha); canvas->push(shape); //Rect + Rect Mask Subtract auto shape2 = tvg::Shape::gen(); shape2->appendRect(325, 450, 150, 150); shape2->fill(255, 255, 255); auto mask2 = tvg::Shape::gen(); mask2->appendRect(325, 500, 100, 100); mask2->fill(255, 255, 255, 127); auto sub = tvg::Shape::gen(); sub->appendRect(375, 450, 100, 100); sub->fill(255, 255, 255); mask2->mask(sub, tvg::MaskMethod::Subtract); shape2->mask(mask2, tvg::MaskMethod::Alpha); canvas->push(shape2); //Rect + Rect Mask Intersect auto shape3 = tvg::Shape::gen(); shape3->appendRect(575, 450, 150, 150); shape3->fill(255, 255, 255); auto mask3 = tvg::Shape::gen(); mask3->appendRect(575, 500, 100, 100); mask3->fill(255, 255, 255, 127); auto inter = tvg::Shape::gen(); inter->appendRect(625, 450, 100, 100); inter->fill(255, 255, 255); mask3->mask(inter, tvg::MaskMethod::Intersect); shape3->mask(mask3, tvg::MaskMethod::Alpha); canvas->push(shape3); //Rect + Rect Mask Difference auto shape4 = tvg::Shape::gen(); shape4->appendRect(825, 450, 150, 150); shape4->fill(255, 255, 255); auto mask4 = tvg::Shape::gen(); mask4->appendRect(825, 500, 100, 100); mask4->fill(255, 255, 255); auto diff = tvg::Shape::gen(); diff->appendRect(875, 450, 100, 100); diff->fill(255, 255, 255); mask4->mask(diff, tvg::MaskMethod::Difference); shape4->mask(mask4, tvg::MaskMethod::Alpha); canvas->push(shape4); //Rect + Rect Mask Lighten auto shape5 = tvg::Shape::gen(); shape5->appendRect(1125, 450, 150, 150); shape5->fill(255, 255, 255); auto mask5 = tvg::Shape::gen(); mask5->appendRect(1125, 500, 100, 100); mask5->fill(255, 255, 255, 200); auto light = tvg::Shape::gen(); light->appendRect(1175, 450, 100, 100); light->fill(255, 255, 255); mask5->mask(light, tvg::MaskMethod::Lighten); shape5->mask(mask5, tvg::MaskMethod::Alpha); canvas->push(shape5); //Rect + Rect Mask Darken auto shape6 = tvg::Shape::gen(); shape6->appendRect(1375, 450, 150, 150); shape6->fill(255, 255, 255); auto mask6 = tvg::Shape::gen(); mask6->appendRect(1375, 500, 100, 100); mask6->fill(255, 255, 255, 200); auto dark = tvg::Shape::gen(); dark->appendRect(1400, 450, 100, 100); dark->fill(255, 255, 255); mask6->mask(dark, tvg::MaskMethod::Darken); shape6->mask(mask6, tvg::MaskMethod::Alpha); canvas->push(shape6); } { //Transformed Image + Shape Mask Add auto image = tvg::Picture::gen(); if (!tvgexam::verify(image->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image->translate(150, 650); image->scale(0.5f); image->rotate(45); auto mask = tvg::Shape::gen(); mask->appendCircle(125, 700, 50, 50); mask->fill(255, 255, 255); auto add = tvg::Shape::gen(); add->appendCircle(150, 750, 50, 50); add->fill(255, 255, 255); mask->mask(add, tvg::MaskMethod::Add); image->mask(mask, tvg::MaskMethod::Alpha); canvas->push(image); //Transformed Image + Shape Mask Subtract auto image2 = tvg::Picture::gen(); if (!tvgexam::verify(image2->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image2->translate(400, 650); image2->scale(0.5f); image2->rotate(45); auto mask2 = tvg::Shape::gen(); mask2->appendCircle(375, 700, 50, 50); mask2->fill(255, 255, 255, 127); auto sub = tvg::Shape::gen(); sub->appendCircle(400, 750, 50, 50); sub->fill(255, 255, 255); mask2->mask(sub, tvg::MaskMethod::Subtract); image2->mask(mask2, tvg::MaskMethod::Alpha); canvas->push(image2); //Transformed Image + Shape Mask Intersect auto image3 = tvg::Picture::gen(); if (!tvgexam::verify(image3->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image3->translate(650, 650); image3->scale(0.5f); image3->rotate(45); auto mask3 = tvg::Shape::gen(); mask3->appendCircle(625, 700, 50, 50); mask3->fill(255, 255, 255, 127); auto inter = tvg::Shape::gen(); inter->appendCircle(650, 750, 50, 50); inter->fill(255, 255, 255, 127); mask3->mask(inter, tvg::MaskMethod::Intersect); image3->mask(mask3, tvg::MaskMethod::Alpha); canvas->push(image3); //Transformed Image + Shape Mask Difference auto image4 = tvg::Picture::gen(); if (!tvgexam::verify(image4->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image4->translate(900, 650); image4->scale(0.5f); image4->rotate(45); auto mask4 = tvg::Shape::gen(); mask4->appendCircle(875, 700, 50, 50); mask4->fill(255, 255, 255); auto diff = tvg::Shape::gen(); diff->appendCircle(900, 750, 50, 50); diff->fill(255, 255, 255); mask4->mask(diff, tvg::MaskMethod::Difference); image4->mask(mask4, tvg::MaskMethod::Alpha); canvas->push(image4); //Transformed Image + Shape Mask Lighten auto image5 = tvg::Picture::gen(); if (!tvgexam::verify(image5->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image5->translate(1150, 650); image5->scale(0.5f); image5->rotate(45); auto mask5 = tvg::Shape::gen(); mask5->appendCircle(1125, 700, 50, 50); mask5->fill(255, 255, 255, 200); auto light = tvg::Shape::gen(); light->appendCircle(1150, 750, 50, 50); light->fill(255, 255, 255); mask5->mask(light, tvg::MaskMethod::Lighten); image5->mask(mask5, tvg::MaskMethod::Alpha); canvas->push(image5); //Transformed Image + Shape Mask Darken auto image6 = tvg::Picture::gen(); if (!tvgexam::verify(image6->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image6->translate(1400, 650); image6->scale(0.5f); image6->rotate(45); auto mask6 = tvg::Shape::gen(); mask6->appendCircle(1375, 700, 50, 50); mask6->fill(255, 255, 255, 200); auto dark = tvg::Shape::gen(); dark->appendCircle(1400, 750, 50, 50); dark->fill(255, 255, 255); mask6->mask(dark, tvg::MaskMethod::Darken); image6->mask(mask6, tvg::MaskMethod::Alpha); canvas->push(image6); } { //Transformed Image + Shape Mask Add auto image = tvg::Picture::gen(); if (!tvgexam::verify(image->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image->translate(150, 850); image->scale(0.5f); image->rotate(45); auto mask = tvg::Shape::gen(); mask->appendCircle(125, 900, 50, 50); mask->fill(255, 255, 255); auto add = tvg::Shape::gen(); add->appendCircle(150, 950, 50, 50); add->fill(255, 255, 255); mask->mask(add, tvg::MaskMethod::Add); image->mask(mask, tvg::MaskMethod::InvAlpha); canvas->push(image); //Transformed Image + Shape Mask Subtract auto image2 = tvg::Picture::gen(); if (!tvgexam::verify(image2->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image2->translate(400, 850); image2->scale(0.5f); image2->rotate(45); auto mask2 = tvg::Shape::gen(); mask2->appendCircle(375, 900, 50, 50); mask2->fill(255, 255, 255, 127); auto sub = tvg::Shape::gen(); sub->appendCircle(400, 950, 50, 50); sub->fill(255, 255, 255); mask2->mask(sub, tvg::MaskMethod::Subtract); image2->mask(mask2, tvg::MaskMethod::InvAlpha); canvas->push(image2); //Transformed Image + Shape Mask Intersect auto image3 = tvg::Picture::gen(); if (!tvgexam::verify(image3->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image3->translate(650, 850); image3->scale(0.5f); image3->rotate(45); auto mask3 = tvg::Shape::gen(); mask3->appendCircle(625, 900, 50, 50); mask3->fill(255, 255, 255, 127); auto inter = tvg::Shape::gen(); inter->appendCircle(650, 950, 50, 50); inter->fill(255, 255, 255, 127); mask3->mask(inter, tvg::MaskMethod::Intersect); image3->mask(mask3, tvg::MaskMethod::InvAlpha); canvas->push(image3); //Transformed Image + Shape Mask Difference auto image4 = tvg::Picture::gen(); if (!tvgexam::verify(image4->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image4->translate(900, 850); image4->scale(0.5f); image4->rotate(45); auto mask4 = tvg::Shape::gen(); mask4->appendCircle(875, 900, 50, 50); mask4->fill(255, 255, 255); auto diff = tvg::Shape::gen(); diff->appendCircle(900, 950, 50, 50); diff->fill(255, 255, 255); mask4->mask(diff, tvg::MaskMethod::Difference); image4->mask(mask4, tvg::MaskMethod::InvAlpha); canvas->push(image4); //Transformed Image + Shape Mask Lighten auto image5 = tvg::Picture::gen(); if (!tvgexam::verify(image5->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image5->translate(1150, 850); image5->scale(0.5f); image5->rotate(45); auto mask5 = tvg::Shape::gen(); mask5->appendCircle(1125, 900, 50, 50); mask5->fill(255, 255, 255, 200); auto light = tvg::Shape::gen(); light->appendCircle(1150, 950, 50, 50); light->fill(255, 255, 255); mask5->mask(light, tvg::MaskMethod::Lighten); image5->mask(mask5, tvg::MaskMethod::InvAlpha); canvas->push(image5); //Transformed Image + Shape Mask Darken auto image6 = tvg::Picture::gen(); if (!tvgexam::verify(image6->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true))) return false; image6->translate(1400, 850); image6->scale(0.5f); image6->rotate(45); auto mask6 = tvg::Shape::gen(); mask6->appendCircle(1375, 900, 50, 50); mask6->fill(255, 255, 255, 200); auto dark = tvg::Shape::gen(); dark->appendCircle(1400, 950, 50, 50); dark->fill(255, 255, 255); mask6->mask(dark, tvg::MaskMethod::Darken); image6->mask(mask6, tvg::MaskMethod::InvAlpha); canvas->push(image6); } free(data); return true; } }; /************************************************************************/ /* Entry Point */ /************************************************************************/ int main(int argc, char **argv) { return tvgexam::main(new UserExample, argc, argv, false, 1500, 1024); }