mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-08 05:33:36 +00:00
247 lines
7.7 KiB
C++
247 lines
7.7 KiB
C++
/*
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* Copyright (c) 2020-2021 Samsung Electronics Co., Ltd. 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 "Common.h"
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#include <fstream>
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/************************************************************************/
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/* Drawing Commands */
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/************************************************************************/
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void tvgDrawCmds(tvg::Canvas* canvas)
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{
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if (!canvas) return;
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//Duplicate Shapes
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{
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//Original Shape
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auto shape1 = tvg::Shape::gen();
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shape1->appendRect(10, 10, 200, 200, 0, 0);
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shape1->appendRect(220, 10, 100, 100, 0, 0);
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shape1->stroke(3);
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shape1->stroke(0, 255, 0, 255);
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float dashPattern[2] = {4, 4};
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shape1->stroke(dashPattern, 2);
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shape1->fill(255, 0, 0, 255);
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//Duplicate Shape, Switch fill method
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auto shape2 = unique_ptr<tvg::Shape>(static_cast<tvg::Shape*>(shape1->duplicate()));
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shape2->translate(0, 220);
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auto fill = tvg::LinearGradient::gen();
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fill->linear(10, 10, 440, 200);
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tvg::Fill::ColorStop colorStops[2];
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colorStops[0] = {0, 0, 0, 0, 255};
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colorStops[1] = {1, 255, 255, 255, 255};
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fill->colorStops(colorStops, 2);
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shape2->fill(move(fill));
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//Duplicate Shape 2
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auto shape3 = unique_ptr<tvg::Shape>(static_cast<tvg::Shape*>(shape2->duplicate()));
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shape3->translate(0, 440);
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canvas->push(move(shape1));
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canvas->push(move(shape2));
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canvas->push(move(shape3));
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}
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//Duplicate Scene
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{
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//Create a Scene1
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auto scene1 = tvg::Scene::gen();
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scene1->reserve(3);
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auto shape1 = tvg::Shape::gen();
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shape1->appendRect(0, 0, 400, 400, 50, 50);
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shape1->fill(0, 255, 0, 255);
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scene1->push(move(shape1));
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auto shape2 = tvg::Shape::gen();
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shape2->appendCircle(400, 400, 200, 200);
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shape2->fill(255, 255, 0, 255);
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scene1->push(move(shape2));
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auto shape3 = tvg::Shape::gen();
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shape3->appendCircle(600, 600, 150, 100);
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shape3->fill(0, 255, 255, 255);
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scene1->push(move(shape3));
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scene1->scale(0.25);
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scene1->translate(400, 0);
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//Duplicate Scene1
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auto scene2 = unique_ptr<tvg::Scene>(static_cast<tvg::Scene*>(scene1->duplicate()));
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scene2->translate(600, 0);
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canvas->push(move(scene1));
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canvas->push(move(scene2));
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}
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//Duplicate Picture - svg
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{
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auto picture1 = tvg::Picture::gen();
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picture1->load(EXAMPLE_DIR"/tiger.svg");
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picture1->translate(350, 200);
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picture1->scale(0.25);
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auto picture2 = unique_ptr<tvg::Picture>(static_cast<tvg::Picture*>(picture1->duplicate()));
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picture2->translate(550, 250);
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canvas->push(move(picture1));
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canvas->push(move(picture2));
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}
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//Duplicate Picture - raw
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{
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string path(EXAMPLE_DIR"/rawimage_200x300.raw");
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ifstream file(path);
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if (!file.is_open()) return ;
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uint32_t* 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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auto picture1 = tvg::Picture::gen();
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if (picture1->load(data, 200, 300, true) != tvg::Result::Success) return;
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picture1->scale(0.8);
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picture1->translate(400, 450);
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auto picture2 = unique_ptr<tvg::Picture>(static_cast<tvg::Picture*>(picture1->duplicate()));
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picture2->translate(600, 550);
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picture2->scale(0.7);
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picture2->rotate(8);
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canvas->push(move(picture1));
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canvas->push(move(picture2));
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free(data);
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}
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}
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/************************************************************************/
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/* Sw Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::SwCanvas> swCanvas;
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void tvgSwTest(uint32_t* buffer)
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{
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//Create a Canvas
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swCanvas = tvg::SwCanvas::gen();
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swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(swCanvas.get());
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}
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void drawSwView(void* data, Eo* obj)
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{
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if (swCanvas->draw() == tvg::Result::Success) {
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swCanvas->sync();
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}
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}
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/************************************************************************/
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/* GL Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::GlCanvas> glCanvas;
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void initGLview(Evas_Object *obj)
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{
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static constexpr auto BPP = 4;
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//Create a Canvas
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glCanvas = tvg::GlCanvas::gen();
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glCanvas->target(nullptr, WIDTH * BPP, WIDTH, HEIGHT);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(glCanvas.get());
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}
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void drawGLview(Evas_Object *obj)
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{
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auto gl = elm_glview_gl_api_get(obj);
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gl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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gl->glClear(GL_COLOR_BUFFER_BIT);
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if (glCanvas->draw() == tvg::Result::Success) {
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glCanvas->sync();
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}
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}
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/************************************************************************/
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/* Main Code */
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/************************************************************************/
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int main(int argc, char **argv)
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{
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tvg::CanvasEngine tvgEngine = tvg::CanvasEngine::Sw;
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if (argc > 1) {
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if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl;
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}
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//Initialize ThorVG Engine
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if (tvgEngine == tvg::CanvasEngine::Sw) {
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cout << "tvg engine: software" << endl;
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} else {
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cout << "tvg engine: opengl" << endl;
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}
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//Threads Count
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auto threads = std::thread::hardware_concurrency();
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//Initialize ThorVG Engine
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if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {
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elm_init(argc, argv);
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if (tvgEngine == tvg::CanvasEngine::Sw) {
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createSwView();
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} else {
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createGlView();
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}
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elm_run();
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elm_shutdown();
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//Terminate ThorVG Engine
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tvg::Initializer::term(tvgEngine);
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} else {
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cout << "engine is not supported" << endl;
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}
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return 0;
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}
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