diff --git a/src/examples/StrokeMiterlimit.cpp b/src/examples/StrokeMiterlimit.cpp new file mode 100644 index 00000000..118c1a0f --- /dev/null +++ b/src/examples/StrokeMiterlimit.cpp @@ -0,0 +1,270 @@ +/* + * Copyright (c) 2020 - 2023 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 +#include "Common.h" + +/************************************************************************/ +/* Drawing Commands */ +/************************************************************************/ + +void bgColor(tvg::Canvas* canvas) +{ + //Background + auto bg = tvg::Shape::gen(); + bg->appendRect(0, 0, WIDTH, HEIGHT, 0, 0); //x, y, w, h, rx, ry + bg->fill(200, 200, 255); //r, g, b + canvas->push(std::move(bg)); +} + +void goWild(tvg::Canvas* canvas) +{ + float top = 100.0f; + float bot = 700.0f; + + auto path = tvg::Shape::gen(); + path->moveTo(300, top / 2); + path->lineTo(100, bot); + path->lineTo(350, 400); + path->lineTo(420, bot); + path->lineTo(430, top * 2); + path->lineTo(500, bot); + path->lineTo(460, top * 2); + path->lineTo(750, bot); + path->lineTo(460, top / 2); + path->close(); + + path->fill(150, 150, 255); // fill color + path->stroke(20); // stroke width + path->stroke(120, 120, 255); // stroke color + + // path->stroke(tvg::StrokeJoin::Round); + // path->stroke(tvg::StrokeJoin::Bevel); + path->stroke(tvg::StrokeJoin::Miter); + + path->strokeMiterlimit(10); + static float ml = path->strokeMiterlimit(); + cout << "Set stroke miterlimit to " << ml << endl; + canvas->push(std::move(path)); // push the path into the canvas + +} + +void blueprint(tvg::Canvas* canvas) +{ + // Load png file from path. + std::string path = EXAMPLE_DIR"/stroke-miterlimit.png"; + + std::unique_ptr picture = tvg::Picture::gen(); + if (picture->load(path) != tvg::Result::Success) { + cout << "Cannot load the picture: " << path << endl; + return; + } + + picture->opacity(42); + picture->translate(24, 0); + if (canvas->push(std::move(picture)) != tvg::Result::Success) { + cout << "Cannot push image to canvas: " << path << endl; + } +} + +void svg(tvg::Canvas* canvas) +{ + //SVG stroke-miterlimit test. + std::string svg_text (R"SVG( + + + + + + + + + + + + + +)SVG"); + + std::size_t svg_text_size = svg_text.size(); + std::unique_ptr picture = tvg::Picture::gen(); + + if (picture->load(svg_text.data(), svg_text_size, "svg", true) != tvg::Result::Success) { + cout << "Couldn't load svg text data." << endl; + return; + } + + picture->scale(20); + canvas->push(std::move(picture)); +} + + +void tvgDrawCmds(tvg::Canvas* canvas) +{ + if (canvas) { + bgColor(canvas); + goWild(canvas); + blueprint(canvas); + svg(canvas); + } +} + +/************************************************************************/ +/* Sw Engine Test Code */ +/************************************************************************/ + +static unique_ptr swCanvas; + +void tvgSwTest(uint32_t* buffer) +{ + //Create a Canvas + swCanvas = tvg::SwCanvas::gen(); + swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888S); + + /* Push the shape into the Canvas drawing list + When this shape is into the canvas list, the shape could update & prepare + internal data asynchronously for coming rendering. + Canvas keeps this shape node unless user call canvas->clear() */ + tvgDrawCmds(swCanvas.get()); +} + +void drawSwView(void* data, Eo* obj) +{ + if (swCanvas->draw() == tvg::Result::Success) { + swCanvas->sync(); + } +} + + +/************************************************************************/ +/* GL Engine Test Code */ +/************************************************************************/ + +static unique_ptr glCanvas; + +void initGLview(Evas_Object *obj) +{ + static constexpr auto BPP = 4; + + //Create a Canvas + glCanvas = tvg::GlCanvas::gen(); + glCanvas->target(nullptr, WIDTH * BPP, WIDTH, HEIGHT); + + /* Push the shape into the Canvas drawing list + When this shape is into the canvas list, the shape could update & prepare + internal data asynchronously for coming rendering. + Canvas keeps this shape node unless user call canvas->clear() */ + tvgDrawCmds(glCanvas.get()); +} + +void drawGLview(Evas_Object *obj) +{ + auto gl = elm_glview_gl_api_get(obj); + gl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f); + gl->glClear(GL_COLOR_BUFFER_BIT); + + if (glCanvas->draw() == tvg::Result::Success) { + glCanvas->sync(); + } +} + + +/************************************************************************/ +/* Main Code */ +/************************************************************************/ + +int main(int argc, char **argv) +{ + tvg::CanvasEngine tvgEngine = tvg::CanvasEngine::Sw; + + if (argc > 1) { + if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl; + } + + //Initialize ThorVG Engine + if (tvgEngine == tvg::CanvasEngine::Sw) { + cout << "tvg engine: software" << endl; + } else { + cout << "tvg engine: opengl" << endl; + } + + //Threads Count + auto threads = std::thread::hardware_concurrency(); + + //Initialize ThorVG Engine + if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) { + + elm_init(argc, argv); + + if (tvgEngine == tvg::CanvasEngine::Sw) { + createSwView(); + } else { + createGlView(); + } + + elm_run(); + elm_shutdown(); + + //Terminate ThorVG Engine + tvg::Initializer::term(tvgEngine); + + + } else { + cout << "engine is not supported" << endl; + } + return 0; +} diff --git a/src/examples/images/stroke-miterlimit.png b/src/examples/images/stroke-miterlimit.png new file mode 100644 index 00000000..30bcbd3a Binary files /dev/null and b/src/examples/images/stroke-miterlimit.png differ diff --git a/src/examples/meson.build b/src/examples/meson.build index 9678809f..7583783d 100644 --- a/src/examples/meson.build +++ b/src/examples/meson.build @@ -46,6 +46,7 @@ source_file = [ 'Stress.cpp', 'Stroke.cpp', 'StrokeLine.cpp', + 'StrokeMiterlimit.cpp', 'Svg.cpp', 'Svg2.cpp', 'Texmap.cpp',