/* * 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 { void blender(tvg::Canvas* canvas, const char* name, tvg::BlendMethod method, float x, float y, uint32_t* data) { auto text = tvg::Text::gen(); text->font("Arial", 15); text->text(name); text->fill(255, 255, 255); text->translate(x + 20, y); canvas->push(text); //solid { auto bottom = tvg::Shape::gen(); bottom->appendRect(20.0f + x, 25.0f + y, 100.0f, 100.0f, 10.0f, 10.0f); bottom->fill(255, 255, 0); canvas->push(bottom); auto top = tvg::Shape::gen(); top->appendRect(45.0f + x, 50.0f + y, 100.0f, 100.0f, 10.0f, 10.0f); top->fill(0, 255, 255); top->blend(method); canvas->push(top); } //solid (half transparent) { auto bottom = tvg::Shape::gen(); bottom->appendRect(170.0f + x, 25.0f + y, 100.0f, 100.0f, 10.0f, 10.0f); bottom->fill(255, 255, 0, 127); canvas->push(bottom); auto top = tvg::Shape::gen(); top->appendRect(195.0f + x, 50.0f + y, 100.0f, 100.0f, 10.0f, 10.0f); top->fill(0, 255, 255, 127); top->blend(method); canvas->push(top); } //gradient blending { tvg::Fill::ColorStop colorStops[2]; colorStops[0] = {0, 255, 0, 255, 255}; colorStops[1] = {1, 0, 255, 0, 127}; auto fill = tvg::LinearGradient::gen(); fill->linear(325.0f + x, 25.0f + y, 425.0f + x, 125.0f + y); fill->colorStops(colorStops, 2); auto bottom = tvg::Shape::gen(); bottom->appendRect(325.0f + x, 25.0f + y, 100.0f, 100.0f, 10.0f, 10.0f); bottom->fill(fill); canvas->push(bottom); auto fill2 = tvg::LinearGradient::gen(); fill2->linear(350.0f + x, 50.0f + y, 450.0f + x, 150.0f + y); fill2->colorStops(colorStops, 2); auto top = tvg::Shape::gen(); top->appendRect(350.0f + x, 50.0f + y, 100.0f, 100.0f, 10.0f, 10.0f); top->fill(fill2); top->blend(method); canvas->push(top); } //image { auto bottom = tvg::Picture::gen(); bottom->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true); bottom->translate(475 + x, 25.0f + y); bottom->scale(0.35f); canvas->push(bottom); auto top = bottom->duplicate(); top->translate(500.0f + x, 50.0f + y); top->rotate(-10.0f); top->blend(method); canvas->push(top); } //scene { auto bottom = tvg::Picture::gen(); bottom->load(EXAMPLE_DIR"/svg/tiger.svg"); bottom->translate(600.0f + x, 25.0f + y); bottom->scale(0.11f); canvas->push(bottom); auto top = bottom->duplicate(); top->translate(625.0f + x, 50.0f + y); top->blend(method); canvas->push(top); } //scene (half transparent) { auto bottom = tvg::Picture::gen(); bottom->load(EXAMPLE_DIR"/svg/tiger.svg"); bottom->translate(750.0f + x, 25.0f + y); bottom->scale(0.11f); bottom->opacity(127); canvas->push(bottom); auto top = bottom->duplicate(); top->translate(775.0f + x, 50.0f + y); top->blend(method); canvas->push(top); } } bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override { if (!canvas) return false; if (!tvgexam::verify(tvg::Text::load(EXAMPLE_DIR"/font/Arial.ttf"))) return false; //Prepare Image string path(EXAMPLE_DIR"/image/rawimage_200x300.raw"); ifstream file(path, 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(); blender(canvas, "Normal", tvg::BlendMethod::Normal, 0.0f, 0.0f, data); blender(canvas, "Multiply", tvg::BlendMethod::Multiply, 0.0f, 150.0f, data); blender(canvas, "Screen", tvg::BlendMethod::Screen, 0.0f, 300.0f, data); blender(canvas, "Overlay", tvg::BlendMethod::Overlay, 0.0f, 450.0f, data); blender(canvas, "Darken", tvg::BlendMethod::Darken, 0.f, 600.0f, data); blender(canvas, "Lighten", tvg::BlendMethod::Lighten, 0.0f, 750.0f, data); blender(canvas, "ColorDodge", tvg::BlendMethod::ColorDodge, 0.0f, 900.0f, data); blender(canvas, "ColorBurn", tvg::BlendMethod::ColorBurn, 0.0f, 1050.0f, data); blender(canvas, "HardLight", tvg::BlendMethod::HardLight, 0.0f, 1200.0f, data); blender(canvas, "SoftLight", tvg::BlendMethod::SoftLight, 900.0f, 0.0f, data); blender(canvas, "Difference", tvg::BlendMethod::Difference, 900.0f, 150.0f, data); blender(canvas, "Exclusion", tvg::BlendMethod::Exclusion, 900.0f, 300.0f, data); blender(canvas, "Hue (Not Supported)", tvg::BlendMethod::Hue, 900.0f, 450.0f, data); blender(canvas, "Saturation (Not Supported)", tvg::BlendMethod::Saturation, 900.0f, 600.0f, data); blender(canvas, "Color (Not Supported)", tvg::BlendMethod::Color, 900.0f, 750.0f, data); blender(canvas, "Luminosity (Not Supported)", tvg::BlendMethod::Luminosity, 900.0f, 900.0f, data); blender(canvas, "Add", tvg::BlendMethod::Add, 900.0f, 1050.0f, data); blender(canvas, "HardMix (Not Supported)", tvg::BlendMethod::HardMix, 900.0f, 1200.0f, data); free(data); return true; } }; /************************************************************************/ /* Entry Point */ /************************************************************************/ int main(int argc, char **argv) { return tvgexam::main(new UserExample, argc, argv, true, 1800, 1380); }