mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-07 21:23:32 +00:00
188 lines
No EOL
7.4 KiB
C++
188 lines
No EOL
7.4 KiB
C++
/*
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* Copyright (c) 2020 - 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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void blender(tvg::Canvas* canvas, const char* name, tvg::BlendMethod method, float x, float y, uint32_t* data)
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{
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auto text = tvg::Text::gen();
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text->font("Arial", 15);
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text->text(name);
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text->fill(255, 255, 255);
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text->translate(x + 20, y);
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canvas->push(text);
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//solid
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{
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auto bottom = tvg::Shape::gen();
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bottom->appendRect(20.0f + x, 25.0f + y, 100.0f, 100.0f, 10.0f, 10.0f);
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bottom->fill(255, 255, 0);
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canvas->push(bottom);
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auto top = tvg::Shape::gen();
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top->appendRect(45.0f + x, 50.0f + y, 100.0f, 100.0f, 10.0f, 10.0f);
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top->fill(0, 255, 255);
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top->blend(method);
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canvas->push(top);
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}
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//solid (half transparent)
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{
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auto bottom = tvg::Shape::gen();
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bottom->appendRect(170.0f + x, 25.0f + y, 100.0f, 100.0f, 10.0f, 10.0f);
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bottom->fill(255, 255, 0, 127);
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canvas->push(bottom);
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auto top = tvg::Shape::gen();
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top->appendRect(195.0f + x, 50.0f + y, 100.0f, 100.0f, 10.0f, 10.0f);
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top->fill(0, 255, 255, 127);
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top->blend(method);
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canvas->push(top);
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}
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//gradient blending
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{
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tvg::Fill::ColorStop colorStops[2];
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colorStops[0] = {0, 255, 0, 255, 255};
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colorStops[1] = {1, 0, 255, 0, 127};
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auto fill = tvg::LinearGradient::gen();
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fill->linear(325.0f + x, 25.0f + y, 425.0f + x, 125.0f + y);
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fill->colorStops(colorStops, 2);
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auto bottom = tvg::Shape::gen();
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bottom->appendRect(325.0f + x, 25.0f + y, 100.0f, 100.0f, 10.0f, 10.0f);
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bottom->fill(fill);
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canvas->push(bottom);
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auto fill2 = tvg::LinearGradient::gen();
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fill2->linear(350.0f + x, 50.0f + y, 450.0f + x, 150.0f + y);
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fill2->colorStops(colorStops, 2);
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auto top = tvg::Shape::gen();
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top->appendRect(350.0f + x, 50.0f + y, 100.0f, 100.0f, 10.0f, 10.0f);
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top->fill(fill2);
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top->blend(method);
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canvas->push(top);
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}
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//image
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{
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auto bottom = tvg::Picture::gen();
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bottom->load(data, 200, 300, tvg::ColorSpace::ARGB8888, true);
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bottom->translate(475 + x, 25.0f + y);
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bottom->scale(0.35f);
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canvas->push(bottom);
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auto top = bottom->duplicate();
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top->translate(500.0f + x, 50.0f + y);
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top->rotate(-10.0f);
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top->blend(method);
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canvas->push(top);
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}
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//scene
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{
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auto bottom = tvg::Picture::gen();
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bottom->load(EXAMPLE_DIR"/svg/tiger.svg");
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bottom->translate(600.0f + x, 25.0f + y);
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bottom->scale(0.11f);
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canvas->push(bottom);
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auto top = bottom->duplicate();
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top->translate(625.0f + x, 50.0f + y);
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top->blend(method);
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canvas->push(top);
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}
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//scene (half transparent)
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{
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auto bottom = tvg::Picture::gen();
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bottom->load(EXAMPLE_DIR"/svg/tiger.svg");
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bottom->translate(750.0f + x, 25.0f + y);
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bottom->scale(0.11f);
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bottom->opacity(127);
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canvas->push(bottom);
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auto top = bottom->duplicate();
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top->translate(775.0f + x, 50.0f + y);
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top->blend(method);
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canvas->push(top);
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}
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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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if (!tvgexam::verify(tvg::Text::load(EXAMPLE_DIR"/font/Arial.ttf"))) return false;
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//Prepare Image
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string path(EXAMPLE_DIR"/image/rawimage_200x300.raw");
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ifstream file(path, ios::binary);
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if (!file.is_open()) return false;
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auto data = (uint32_t*)malloc(sizeof(uint32_t) * (200*300));
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file.read(reinterpret_cast<char *>(data), sizeof (uint32_t) * 200 * 300);
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file.close();
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blender(canvas, "Normal", tvg::BlendMethod::Normal, 0.0f, 0.0f, data);
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blender(canvas, "Multiply", tvg::BlendMethod::Multiply, 0.0f, 150.0f, data);
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blender(canvas, "Screen", tvg::BlendMethod::Screen, 0.0f, 300.0f, data);
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blender(canvas, "Overlay", tvg::BlendMethod::Overlay, 0.0f, 450.0f, data);
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blender(canvas, "Darken", tvg::BlendMethod::Darken, 0.f, 600.0f, data);
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blender(canvas, "Lighten", tvg::BlendMethod::Lighten, 0.0f, 750.0f, data);
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blender(canvas, "ColorDodge", tvg::BlendMethod::ColorDodge, 0.0f, 900.0f, data);
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blender(canvas, "ColorBurn", tvg::BlendMethod::ColorBurn, 0.0f, 1050.0f, data);
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blender(canvas, "HardLight", tvg::BlendMethod::HardLight, 0.0f, 1200.0f, data);
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blender(canvas, "SoftLight", tvg::BlendMethod::SoftLight, 900.0f, 0.0f, data);
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blender(canvas, "Difference", tvg::BlendMethod::Difference, 900.0f, 150.0f, data);
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blender(canvas, "Exclusion", tvg::BlendMethod::Exclusion, 900.0f, 300.0f, data);
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blender(canvas, "Hue (Not Supported)", tvg::BlendMethod::Hue, 900.0f, 450.0f, data);
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blender(canvas, "Saturation (Not Supported)", tvg::BlendMethod::Saturation, 900.0f, 600.0f, data);
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blender(canvas, "Color (Not Supported)", tvg::BlendMethod::Color, 900.0f, 750.0f, data);
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blender(canvas, "Luminosity (Not Supported)", tvg::BlendMethod::Luminosity, 900.0f, 900.0f, data);
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blender(canvas, "Add", tvg::BlendMethod::Add, 900.0f, 1050.0f, data);
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blender(canvas, "HardMix (Not Supported)", tvg::BlendMethod::HardMix, 900.0f, 1200.0f, data);
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free(data);
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return true;
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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, true, 1800, 1380);
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} |