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e8e9ba5ea0
examples are not considered a feature of ThorVG; hence, they are excluded from the src directory. This change allows developers to concentrate more effectively on the core ThorVG sources for practical usages.
227 lines
7.4 KiB
C++
227 lines
7.4 KiB
C++
/*
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* Copyright (c) 2020 - 2024 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 "Common.h"
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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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tvg::Fill::ColorStop colorStops1[3];
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colorStops1[0] = {0, 255, 0, 0, 150};
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colorStops1[1] = {0.5, 0, 0, 255, 150};
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colorStops1[2] = {1, 127, 0, 127, 150};
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tvg::Fill::ColorStop colorStops2[2];
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colorStops2[0] = {0.3, 255, 0, 0, 255};
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colorStops2[1] = {1, 50, 0, 255, 155};
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tvg::Fill::ColorStop colorStops3[2];
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colorStops3[0] = {0, 0, 0, 255, 155};
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colorStops3[1] = {1, 0, 255, 0, 155};
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float dashPattern1[2] = {15, 15};
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// linear gradient stroke + linear gradient fill
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auto shape1 = tvg::Shape::gen();
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shape1->moveTo(150, 100);
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shape1->lineTo(200, 100);
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shape1->lineTo(200, 150);
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shape1->lineTo(300, 150);
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shape1->lineTo(250, 200);
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shape1->lineTo(200, 200);
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shape1->lineTo(200, 250);
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shape1->lineTo(150, 300);
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shape1->lineTo(150, 200);
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shape1->lineTo(100, 200);
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shape1->lineTo(100, 150);
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shape1->close();
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shape1->strokeFill(0, 255, 0);
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shape1->strokeWidth(20);
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shape1->strokeJoin(tvg::StrokeJoin::Miter);
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shape1->strokeCap(tvg::StrokeCap::Butt);
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auto fillStroke1 = tvg::LinearGradient::gen();
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fillStroke1->linear(100, 100, 250, 250);
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fillStroke1->colorStops(colorStops1, 3);
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shape1->strokeFill(std::move(fillStroke1));
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auto fill1 = tvg::LinearGradient::gen();
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fill1->linear(100, 100, 250, 250);
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fill1->colorStops(colorStops1, 3);
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shape1->fill(std::move(fill1));
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if (canvas->push(std::move(shape1)) != tvg::Result::Success) return;
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// radial gradient stroke + duplicate
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auto shape2 = tvg::Shape::gen();
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shape2->appendCircle(600, 175, 100, 60);
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shape2->strokeWidth(80);
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auto fillStroke2 = tvg::RadialGradient::gen();
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fillStroke2->radial(600, 175, 100);
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fillStroke2->colorStops(colorStops2, 2);
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shape2->strokeFill(std::move(fillStroke2));
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auto shape3 = tvg::cast<tvg::Shape>(shape2->duplicate());
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shape3->translate(0, 200);
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auto fillStroke3 = tvg::LinearGradient::gen();
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fillStroke3->linear(500, 115, 700, 235);
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fillStroke3->colorStops(colorStops3, 2);
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shape3->strokeFill(std::move(fillStroke3));
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auto shape4 = tvg::cast<tvg::Shape>(shape2->duplicate());
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shape4->translate(0, 400);
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if (canvas->push(std::move(shape2)) != tvg::Result::Success) return;
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if (canvas->push(std::move(shape3)) != tvg::Result::Success) return;
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if (canvas->push(std::move(shape4)) != tvg::Result::Success) return;
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// dashed gradient stroke
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auto shape5 = tvg::Shape::gen();
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shape5->appendRect(100, 500, 300, 300, 50, 80);
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shape5->strokeWidth(20);
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shape5->strokeDash(dashPattern1, 2);
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shape5->strokeCap(tvg::StrokeCap::Butt);
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auto fillStroke5 = tvg::LinearGradient::gen();
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fillStroke5->linear(150, 450, 450, 750);
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fillStroke5->colorStops(colorStops3, 2);
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shape5->strokeFill(std::move(fillStroke5));
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auto fill5 = tvg::LinearGradient::gen();
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fill5->linear(150, 450, 450, 750);
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fill5->colorStops(colorStops3, 2);
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shape5->fill(std::move(fill5));
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shape5->scale(0.8);
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if (canvas->push(std::move(shape5)) != tvg::Result::Success) return;
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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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//Create a Canvas
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glCanvas = tvg::GlCanvas::gen();
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//Get the drawing target id
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int32_t targetId;
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auto gl = elm_glview_gl_api_get(obj);
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gl->glGetIntegerv(GL_FRAMEBUFFER_BINDING, &targetId);
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glCanvas->target(targetId, 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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auto 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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//Threads Count
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auto threads = std::thread::hardware_concurrency();
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if (threads > 0) --threads; //Allow the designated main thread capacity
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//Initialize ThorVG Engine
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if (tvg::Initializer::init(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();
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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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