diff --git a/examples/StrokeTrim.cpp b/examples/StrokeTrim.cpp new file mode 100644 index 00000000..37960841 --- /dev/null +++ b/examples/StrokeTrim.cpp @@ -0,0 +1,159 @@ +/* + * Copyright (c) 2024 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 "Common.h" + +/************************************************************************/ +/* Drawing Commands */ +/************************************************************************/ + +void tvgDrawCmds(tvg::Canvas* canvas) +{ + if (!canvas) return; + + //Shape 1 + auto shape1 = tvg::Shape::gen(); + shape1->appendCircle(245, 125, 50, 120); + shape1->appendCircle(245, 365, 50, 120); + shape1->appendCircle(125, 245, 120, 50); + shape1->appendCircle(365, 245, 120, 50); + shape1->fill(0, 50, 155, 100); + shape1->stroke(0, 0, 255); + shape1->stroke(tvg::StrokeJoin::Round); + shape1->stroke(tvg::StrokeCap::Round); + shape1->stroke(12); + shape1->strokeTrim(0.0f, 0.5f, false); + + auto shape2 = tvg::cast(shape1->duplicate()); + shape2->translate(300, 300); + shape2->fill(0, 155, 50, 100); + shape2->stroke(0, 255, 0); + shape2->strokeTrim(0.0f, 0.5f, true); + + if (canvas->push(std::move(shape1)) != tvg::Result::Success) return; + if (canvas->push(std::move(shape2)) != tvg::Result::Success) return; + +} + + +/************************************************************************/ +/* 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::ARGB8888); + + /* 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) +{ + //Create a Canvas + glCanvas = tvg::GlCanvas::gen(); + + //Get the drawing target id + int32_t targetId; + auto gl = elm_glview_gl_api_get(obj); + gl->glGetIntegerv(GL_FRAMEBUFFER_BINDING, &targetId); + + glCanvas->target(targetId, 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) +{ + auto tvgEngine = tvg::CanvasEngine::Sw; + + if (argc > 1) { + if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl; + } + + //Threads Count + auto threads = std::thread::hardware_concurrency(); + if (threads > 0) --threads; //Allow the designated main thread capacity + + //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/examples/meson.build b/examples/meson.build index 07ae7f51..de64140a 100644 --- a/examples/meson.build +++ b/examples/meson.build @@ -51,6 +51,7 @@ source_file = [ 'Stroke.cpp', 'StrokeLine.cpp', 'StrokeMiterlimit.cpp', + 'StrokeTrim.cpp', 'Svg.cpp', 'Texmap.cpp', 'Text.cpp',