/* * 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; //Background auto shape = tvg::Shape::gen(); shape->appendRect(0, 0, w, h); shape->fill(75, 75, 75); canvas->push(shape); //Load a necessary font data. //The loaded font will be released when the Initializer::term() is called. //Otherwise, you can immediately unload the font data. //Please check Text::unload() APIs. if (!tvgexam::verify(tvg::Text::load(EXAMPLE_DIR"/font/Arial.ttf"))) return false; if (!tvgexam::verify(tvg::Text::load(EXAMPLE_DIR"/font/NanumGothicCoding.ttf"))) return false; //Load from memory ifstream file(EXAMPLE_DIR"/font/SentyCloud.ttf", ios::binary); if (!file.is_open()) return false; file.seekg(0, std::ios::end); auto size = file.tellg(); file.seekg(0, std::ios::beg); auto data = (char*)malloc(size); if (data && file.read(data, size)) { if (!tvgexam::verify(tvg::Text::load("SentyCloud", data, size, "ttf", true))) return false; } file.close(); free(data); auto text = tvg::Text::gen(); text->font("Arial", 80); text->text("THORVG Text"); text->fill(255, 255, 255); canvas->push(text); auto text2 = tvg::Text::gen(); text2->font("Arial", 30, "italic"); text2->text("Font = \"Arial\", Size = 40, Style=Italic"); text2->translate(0, 150); text2->fill(255, 255, 255); canvas->push(text2); auto text3 = tvg::Text::gen(); text3->font("Arial", 40); text3->text("Kerning Test: VA, AV, TJ, JT"); text3->fill(255, 255, 255); text3->translate(0, 225); canvas->push(text3); auto text4 = tvg::Text::gen(); text4->font("Arial", 25); text4->text("Purple Text"); text4->fill(255, 0, 255); text4->translate(0, 310); canvas->push(text4); auto text5 = tvg::Text::gen(); text5->font("Arial", 25); text5->text("Gray Text"); text5->fill(150, 150, 150); text5->translate(220, 310); canvas->push(text5); auto text6 = tvg::Text::gen(); text6->font("Arial", 25); text6->text("Yellow Text"); text6->fill(255, 255, 0); text6->translate(400, 310); canvas->push(text6); auto text7 = tvg::Text::gen(); text7->font("Arial", 15); text7->text("Transformed Text - 30'"); text7->fill(0, 0, 0); text7->translate(600, 400); text7->rotate(30); canvas->push(text7); auto text8 = tvg::Text::gen(); text8->font("Arial", 15); text8->fill(0, 0, 0); text8->text("Transformed Text - 90'"); text8->translate(600, 400); text8->rotate(90); canvas->push(text8); auto text9 = tvg::Text::gen(); text9->font("Arial", 15); text9->fill(0, 0, 0); text9->text("Transformed Text - 180'"); text9->translate(800, 400); text9->rotate(180); canvas->push(text9); //gradient texts float x, y, w2, h2; auto text10 = tvg::Text::gen(); text10->font("Arial", 50); text10->text("Linear Text"); text10->translate(0, 350); text10->bounds(&x, &y, &w2, &h2); //LinearGradient auto fill = tvg::LinearGradient::gen(); fill->linear(x, y + h2 * 0.5f, x + w2, y + h2 * 0.5f); //Gradient Color Stops tvg::Fill::ColorStop colorStops[3]; colorStops[0] = {0, 255, 0, 0, 255}; colorStops[1] = {0.5, 255, 255, 0, 255}; colorStops[2] = {1, 255, 255, 255, 255}; fill->colorStops(colorStops, 3); text10->fill(fill); canvas->push(text10); auto text11 = tvg::Text::gen(); text11->font("NanumGothicCoding", 40); text11->text("\xeb\x82\x98\xeb\x88\x94\xea\xb3\xa0\xeb\x94\x95\xec\xbd\x94\xeb\x94\xa9\x28\x55\x54\x46\x2d\x38\x29"); text11->translate(0, 450); text11->bounds(&x, &y, &w2, &h2); //LinearGradient auto fill2 = tvg::RadialGradient::gen(); fill2->radial(x + w2 * 0.5f, y + h2 * 0.5f, w2 * 0.5f, x + w2 * 0.5f, y + h2 * 0.5f, 0.0f); //Gradient Color Stops tvg::Fill::ColorStop colorStops2[3]; colorStops2[0] = {0, 0, 255, 255, 255}; colorStops2[1] = {0.5, 255, 255, 0, 255}; colorStops2[2] = {1, 255, 255, 255, 255}; fill2->colorStops(colorStops2, 3); text11->fill(fill2); canvas->push(text11); auto text12 = tvg::Text::gen(); text12->font("SentyCloud", 50); text12->fill(255, 25, 25); text12->text("\xe4\xb8\x8d\xe5\x88\xb0\xe9\x95\xbf\xe5\x9f\x8e\xe9\x9d\x9e\xe5\xa5\xbd\xe6\xb1\x89\xef\xbc\x81"); text12->translate(0, 525); canvas->push(text12); return true; } }; /************************************************************************/ /* Entry Point */ /************************************************************************/ int main(int argc, char **argv) { return tvgexam::main(new UserExample, argc, argv); }