From d4dc6254819abe12281dd86fc5ff18644b1a08e1 Mon Sep 17 00:00:00 2001 From: Hermet Park Date: Tue, 23 May 2023 19:20:47 +0900 Subject: [PATCH] examples MaskMethods: add a new example This is introduced for Masking Methods. --- src/examples/MaskingMethods.cpp | 435 ++++++++++++++++++++++++++++++++ src/examples/meson.build | 1 + 2 files changed, 436 insertions(+) create mode 100644 src/examples/MaskingMethods.cpp diff --git a/src/examples/MaskingMethods.cpp b/src/examples/MaskingMethods.cpp new file mode 100644 index 00000000..e0a6359a --- /dev/null +++ b/src/examples/MaskingMethods.cpp @@ -0,0 +1,435 @@ +/* + * Copyright (c) 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 "Common.h" +#include + +/************************************************************************/ +/* Drawing Commands */ +/************************************************************************/ + +void tvgDrawCmds(tvg::Canvas* canvas) +{ + if (!canvas) return; + + //Image source + ifstream file(EXAMPLE_DIR"/rawimage_200x300.raw"); + if (!file.is_open()) return; + auto data = (uint32_t*) malloc(sizeof(uint32_t) * (200 * 300)); + file.read(reinterpret_cast(data), sizeof (uint32_t) * 200 * 300); + file.close(); + + { + //Shape + Shape Mask Add + auto shape = tvg::Shape::gen(); + shape->appendCircle(125, 100, 50, 50); + shape->fill(255, 255, 255, 255); + + auto mask = tvg::Shape::gen(); + mask->appendCircle(175, 100, 50, 50); + mask->fill(255, 255, 255, 255); + shape->composite(std::move(mask), tvg::CompositeMethod::AddMask); + + canvas->push(std::move(shape)); + + //Shape + Shape Mask Subtract + auto shape2 = tvg::Shape::gen(); + shape2->appendCircle(375, 100, 50, 50); + shape2->fill(255, 255, 255, 255); + + auto mask2 = tvg::Shape::gen(); + mask2->appendCircle(400, 100, 50, 50); + mask2->fill(255, 255, 255, 255); + + shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask); + + canvas->push(std::move(shape2)); + + //Shape + Shape Mask Intersect + auto shape3 = tvg::Shape::gen(); + shape3->appendCircle(625, 100, 50, 50); + shape3->fill(255, 255, 255, 255); + + auto mask3 = tvg::Shape::gen(); + mask3->appendCircle(650, 100, 50, 50); + mask3->fill(255, 255, 255, 255); + shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask); + + canvas->push(std::move(shape3)); + + //Shape + Shape Mask Difference + auto shape4 = tvg::Shape::gen(); + shape4->appendCircle(875, 100, 50, 50); + shape4->fill(255, 255, 255, 255); + + auto mask4 = tvg::Shape::gen(); + mask4->appendCircle(900, 100, 50, 50); + mask4->fill(255, 255, 255, 255); + shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask); + + canvas->push(std::move(shape4)); + } + + { + //Shape + Image Mask Add + auto shape = tvg::Shape::gen(); + shape->appendCircle(150, 250, 50, 50); + shape->fill(255, 255, 255, 255); + + auto mask = tvg::Picture::gen(); + if (mask->load(data, 200, 300, true) != tvg::Result::Success) return; + mask->translate(100, 250); + mask->scale(0.5f); + shape->composite(std::move(mask), tvg::CompositeMethod::AddMask); + canvas->push(std::move(shape)); + + //Shape + Image Mask Subtract + auto shape2 = tvg::Shape::gen(); + shape2->appendCircle(400, 250, 50, 50); + shape2->fill(255, 255, 255, 255); + + auto mask2 = tvg::Picture::gen(); + if (mask2->load(data, 200, 300, true) != tvg::Result::Success) return; + mask2->translate(350, 250); + mask2->scale(0.5f); + shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask); + + canvas->push(std::move(shape2)); + + //Shape + Image Mask Intersect + auto shape3 = tvg::Shape::gen(); + shape3->appendCircle(650, 250, 50, 50); + shape3->fill(255, 255, 255, 255); + + auto mask3 = tvg::Picture::gen(); + if (mask3->load(data, 200, 300, true) != tvg::Result::Success) return; + mask3->translate(600, 250); + mask3->scale(0.5f); + shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask); + + canvas->push(std::move(shape3)); + + //Shape + Image Mask Difference + auto shape4 = tvg::Shape::gen(); + shape4->appendCircle(900, 250, 50, 50); + shape4->fill(255, 255, 255, 255); + + auto mask4 = tvg::Picture::gen(); + if (mask4->load(data, 200, 300, true) != tvg::Result::Success) return; + mask4->translate(850, 250); + mask4->scale(0.5f); + shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask); + + canvas->push(std::move(shape4)); + } + + { + //Rect + Rect Mask Add + auto shape = tvg::Shape::gen(); + shape->appendRect(75, 500, 100, 100, 0, 0); + shape->fill(255, 255, 255, 255); + + auto mask = tvg::Shape::gen(); + mask->appendRect(125, 450, 100, 100, 0, 0); + mask->fill(255, 255, 255, 255); + shape->composite(std::move(mask), tvg::CompositeMethod::AddMask); + + canvas->push(std::move(shape)); + + //Rect + Rect Mask Subtract + auto shape2 = tvg::Shape::gen(); + shape2->appendRect(325, 500, 100, 100, 0, 0); + shape2->fill(255, 255, 255, 255); + + auto mask2 = tvg::Shape::gen(); + mask2->appendRect(375, 450, 100, 100, 0, 0); + mask2->fill(255, 255, 255, 255); + shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask); + + canvas->push(std::move(shape2)); + + //Rect + Rect Mask Intersect + auto shape3 = tvg::Shape::gen(); + shape3->appendRect(575, 500, 100, 100, 0, 0); + shape3->fill(255, 255, 255, 255); + + auto mask3 = tvg::Shape::gen(); + mask3->appendRect(625, 450, 100, 100, 0, 0); + mask3->fill(255, 255, 255, 255); + shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask); + + canvas->push(std::move(shape3)); + + //Rect + Rect Mask Difference + auto shape4 = tvg::Shape::gen(); + shape4->appendRect(825, 500, 100, 100, 0, 0); + shape4->fill(255, 255, 255, 255); + + auto mask4 = tvg::Shape::gen(); + mask4->appendRect(875, 450, 100, 100, 0, 0); + mask4->fill(255, 255, 255, 255); + shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask); + + canvas->push(std::move(shape4)); + } + + { + //Transformed Image + Shape Mask Add + auto image = tvg::Picture::gen(); + if (image->load(data, 200, 300, true) != tvg::Result::Success) return; + image->translate(150, 650); + image->scale(0.5f); + image->rotate(45); + + auto mask = tvg::Shape::gen(); + mask->appendCircle(125, 700, 50, 50); + mask->fill(255, 255, 255, 255); + image->composite(std::move(mask), tvg::CompositeMethod::AddMask); + canvas->push(std::move(image)); + + //Transformed Image + Shape Mask Subtract + auto image2 = tvg::Picture::gen(); + if (image2->load(data, 200, 300, true) != tvg::Result::Success) return; + image2->translate(400, 650); + image2->scale(0.5f); + image2->rotate(45); + + auto mask2 = tvg::Shape::gen(); + mask2->appendCircle(375, 700, 50, 50); + mask2->fill(255, 255, 255, 255); + image2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask); + canvas->push(std::move(image2)); + + //Transformed Image + Shape Mask Intersect + auto image3 = tvg::Picture::gen(); + if (image3->load(data, 200, 300, true) != tvg::Result::Success) return; + image3->translate(650, 650); + image3->scale(0.5f); + image3->rotate(45); + + auto mask3 = tvg::Shape::gen(); + mask3->appendCircle(625, 700, 50, 50); + mask3->fill(255, 255, 255, 255); + image3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask); + canvas->push(std::move(image3)); + + //Transformed Image + Shape Mask Difference + auto image4 = tvg::Picture::gen(); + if (image4->load(data, 200, 300, true) != tvg::Result::Success) return; + image4->translate(900, 650); + image4->scale(0.5f); + image4->rotate(45); + + auto mask4 = tvg::Shape::gen(); + mask4->appendCircle(875, 700, 50, 50); + mask4->fill(255, 255, 255, 255); + image4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask); + canvas->push(std::move(image4)); + } + + { + //Gradient Color Stops + tvg::Fill::ColorStop colorStops[2]; + colorStops[0] = {0, 255, 0, 0, 255}; + colorStops[1] = {1, 255, 255, 255, 255}; + + //Shape + Shape Mask Add + auto shape = tvg::Shape::gen(); + shape->appendRect(75, 850, 100, 100, 10, 10); + + //LinearGradient + auto fill = tvg::LinearGradient::gen(); + fill->linear(75, 850, 175, 950); + fill->colorStops(colorStops, 2); + shape->fill(std::move(fill)); + + auto mask = tvg::Shape::gen(); + mask->appendCircle(175, 900, 50, 50); + mask->fill(255, 255, 255, 255); + shape->composite(std::move(mask), tvg::CompositeMethod::AddMask); + + canvas->push(std::move(shape)); + + //Shape + Shape Mask Subtract + auto shape2 = tvg::Shape::gen(); + shape2->appendRect(300, 850, 100, 100, 10, 10); + + //LinearGradient + auto fill2 = tvg::LinearGradient::gen(); + fill2->linear(300, 850, 400, 950); + fill2->colorStops(colorStops, 2); + shape2->fill(std::move(fill2)); + + auto mask2 = tvg::Shape::gen(); + mask2->appendCircle(400, 900, 50, 50); + mask2->fill(255, 255, 255, 255); + + shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask); + + canvas->push(std::move(shape2)); + + //Shape + Shape Mask Intersect + auto shape3 = tvg::Shape::gen(); + shape3->appendRect(550, 850, 100, 100, 10, 10); + + //LinearGradient + auto fill3 = tvg::LinearGradient::gen(); + fill3->linear(550, 850, 650, 950); + fill3->colorStops(colorStops, 2); + shape3->fill(std::move(fill3)); + + auto mask3 = tvg::Shape::gen(); + mask3->appendCircle(650, 900, 50, 50); + mask3->fill(255, 255, 255, 255); + shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask); + + canvas->push(std::move(shape3)); + + //Shape + Shape Mask Difference + auto shape4 = tvg::Shape::gen(); + shape4->appendRect(800, 850, 100, 100, 10, 10); + shape4->fill(255, 255, 255, 255); + + //LinearGradient + auto fill4 = tvg::LinearGradient::gen(); + fill4->linear(800, 850, 900, 950); + fill4->colorStops(colorStops, 2); + shape4->fill(std::move(fill4)); + + + auto mask4 = tvg::Shape::gen(); + mask4->appendCircle(900, 900, 50, 50); + mask4->fill(255, 255, 255, 255); + shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask); + + canvas->push(std::move(shape4)); + } + + free(data); +} + + +/************************************************************************/ +/* 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) +{ + 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(); + 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(1024, 1024); + } else { + createGlView(1024, 1024); + } + + 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/meson.build b/src/examples/meson.build index 8c9ff709..105b4578 100644 --- a/src/examples/meson.build +++ b/src/examples/meson.build @@ -25,6 +25,7 @@ source_file = [ 'LinearGradient.cpp', 'LumaMasking.cpp', 'Masking.cpp', + 'MaskingMethods.cpp', 'MultiCanvas.cpp', 'MultiShapes.cpp', 'Opacity.cpp',