mirror of
https://github.com/thorvg/thorvg.git
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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.
279 lines
9.5 KiB
C++
279 lines
9.5 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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//Test for StrokeJoin & StrokeCap
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auto shape1 = tvg::Shape::gen();
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shape1->moveTo( 20, 50);
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shape1->lineTo(250, 50);
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shape1->lineTo(220, 200);
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shape1->lineTo( 70, 170);
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shape1->lineTo( 70, 30);
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shape1->strokeFill(255, 0, 0);
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shape1->strokeWidth(10);
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shape1->strokeJoin(tvg::StrokeJoin::Round);
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shape1->strokeCap(tvg::StrokeCap::Round);
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if (canvas->push(std::move(shape1)) != tvg::Result::Success) return;
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auto shape2 = tvg::Shape::gen();
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shape2->moveTo(270, 50);
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shape2->lineTo(500, 50);
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shape2->lineTo(470, 200);
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shape2->lineTo(320, 170);
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shape2->lineTo(320, 30);
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shape2->strokeFill(255, 255, 0);
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shape2->strokeWidth(10);
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shape2->strokeJoin(tvg::StrokeJoin::Bevel);
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shape2->strokeCap(tvg::StrokeCap::Square);
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if (canvas->push(std::move(shape2)) != tvg::Result::Success) return;
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auto shape3 = tvg::Shape::gen();
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shape3->moveTo(520, 50);
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shape3->lineTo(750, 50);
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shape3->lineTo(720, 200);
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shape3->lineTo(570, 170);
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shape3->lineTo(570, 30);
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shape3->strokeFill(0, 255, 0);
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shape3->strokeWidth(10);
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shape3->strokeJoin(tvg::StrokeJoin::Miter);
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shape3->strokeCap(tvg::StrokeCap::Butt);
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if (canvas->push(std::move(shape3)) != tvg::Result::Success) return;
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//Test for Stroke Dash
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auto shape4 = tvg::Shape::gen();
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shape4->moveTo( 20, 230);
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shape4->lineTo(250, 230);
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shape4->lineTo(220, 380);
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shape4->lineTo( 70, 330);
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shape4->lineTo( 70, 210);
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shape4->strokeFill(255, 0, 0);
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shape4->strokeWidth(5);
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shape4->strokeJoin(tvg::StrokeJoin::Round);
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shape4->strokeCap(tvg::StrokeCap::Round);
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float dashPattern1[2] = {20, 10};
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shape4->strokeDash(dashPattern1, 2);
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if (canvas->push(std::move(shape4)) != tvg::Result::Success) return;
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auto shape5 = tvg::Shape::gen();
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shape5->moveTo(270, 230);
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shape5->lineTo(500, 230);
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shape5->lineTo(470, 380);
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shape5->lineTo(320, 330);
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shape5->lineTo(320, 210);
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shape5->strokeFill(255, 255, 0);
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shape5->strokeWidth(5);
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shape5->strokeJoin(tvg::StrokeJoin::Bevel);
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shape5->strokeCap(tvg::StrokeCap::Square);
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float dashPattern2[2] = {10, 10};
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shape5->strokeDash(dashPattern2, 2);
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if (canvas->push(std::move(shape5)) != tvg::Result::Success) return;
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auto shape6 = tvg::Shape::gen();
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shape6->moveTo(520, 230);
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shape6->lineTo(750, 230);
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shape6->lineTo(720, 380);
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shape6->lineTo(570, 330);
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shape6->lineTo(570, 210);
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shape6->strokeFill(0, 255, 0);
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shape6->strokeWidth(5);
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shape6->strokeJoin(tvg::StrokeJoin::Miter);
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shape6->strokeCap(tvg::StrokeCap::Butt);
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float dashPattern3[6] = {10, 10, 1, 8, 1, 10};
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shape6->strokeDash(dashPattern3, 6);
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if (canvas->push(std::move(shape6)) != tvg::Result::Success) return;
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//For a comparison with shapes 10-12
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auto shape7 = tvg::Shape::gen();
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shape7->appendArc(70, 400, 160, 10, 70, true);
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shape7->strokeFill(255, 0, 0);
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shape7->strokeWidth(7);
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shape7->strokeJoin(tvg::StrokeJoin::Round);
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shape7->strokeCap(tvg::StrokeCap::Round);
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if (canvas->push(std::move(shape7)) != tvg::Result::Success) return;
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auto shape8 = tvg::Shape::gen();
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shape8->appendArc(320, 400, 160, 10, 70, false);
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shape8->strokeFill(255, 255, 0);
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shape8->strokeWidth(7);
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shape8->strokeJoin(tvg::StrokeJoin::Bevel);
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shape8->strokeCap(tvg::StrokeCap::Square);
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if (canvas->push(std::move(shape8)) != tvg::Result::Success) return;
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auto shape9 = tvg::Shape::gen();
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shape9->appendArc(570, 400, 160, 10, 70, true);
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shape9->strokeFill(0, 255, 0);
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shape9->strokeWidth(7);
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shape9->strokeJoin(tvg::StrokeJoin::Miter);
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shape9->strokeCap(tvg::StrokeCap::Butt);
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if (canvas->push(std::move(shape9)) != tvg::Result::Success) return;
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//Test for Stroke Dash for Arc, Circle, Rect
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auto shape10 = tvg::Shape::gen();
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shape10->appendArc(70, 600, 160, 10, 30, true);
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shape10->appendCircle(70, 700, 20, 60);
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shape10->appendRect(130, 710, 100, 40);
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shape10->strokeFill(255, 0, 0);
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shape10->strokeWidth(5);
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shape10->strokeJoin(tvg::StrokeJoin::Round);
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shape10->strokeCap(tvg::StrokeCap::Round);
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shape10->strokeDash(dashPattern1, 2);
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if (canvas->push(std::move(shape10)) != tvg::Result::Success) return;
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auto shape11 = tvg::Shape::gen();
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shape11->appendArc(320, 600, 160, 10, 30, false);
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shape11->appendCircle(320, 700, 20, 60);
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shape11->appendRect(380, 710, 100, 40);
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shape11->strokeFill(255, 255, 0);
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shape11->strokeWidth(5);
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shape11->strokeJoin(tvg::StrokeJoin::Bevel);
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shape11->strokeCap(tvg::StrokeCap::Square);
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shape11->strokeDash(dashPattern2, 2);
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if (canvas->push(std::move(shape11)) != tvg::Result::Success) return;
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auto shape12 = tvg::Shape::gen();
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shape12->appendArc(570, 600, 160, 10, 30, true);
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shape12->appendCircle(570, 700, 20, 60);
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shape12->appendRect(630, 710, 100, 40);
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shape12->strokeFill(0, 255, 0);
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shape12->strokeWidth(5);
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shape12->strokeJoin(tvg::StrokeJoin::Miter);
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shape12->strokeCap(tvg::StrokeCap::Butt);
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shape12->strokeDash(dashPattern3, 6);
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if (canvas->push(std::move(shape12)) != 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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