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229 lines
7.4 KiB
C++
229 lines
7.4 KiB
C++
/*
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* Copyright (c) 2020 - 2023 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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#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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//Solid Rectangle
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auto shape = tvg::Shape::gen();
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shape->appendRect(0, 0, 400, 400);
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shape->fill(0, 0, 255);
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//Mask
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auto mask = tvg::Shape::gen();
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mask->appendCircle(200, 200, 125, 125);
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mask->fill(255, 255, 255); //InvAlphaMask RGB channels are unused.
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//Nested Mask
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auto nMask = tvg::Shape::gen();
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nMask->appendCircle(220, 220, 125, 125);
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nMask->fill(255, 255, 255); //InvAlphaMask RGB channels are unused.
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mask->composite(std::move(nMask), tvg::CompositeMethod::InvAlphaMask);
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shape->composite(std::move(mask), tvg::CompositeMethod::InvAlphaMask);
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canvas->push(std::move(shape));
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//SVG
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auto svg = tvg::Picture::gen();
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if (svg->load(EXAMPLE_DIR"/cartman.svg") != tvg::Result::Success) return;
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svg->opacity(100);
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svg->scale(3);
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svg->translate(50, 400);
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//Mask2
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auto mask2 = tvg::Shape::gen();
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mask2->appendCircle(150, 500, 75, 75);
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mask2->appendRect(150, 500, 200, 200, 30, 30);
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mask2->fill(255, 255, 255); //InvAlphaMask RGB channels are unused.
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svg->composite(std::move(mask2), tvg::CompositeMethod::InvAlphaMask);
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if (canvas->push(std::move(svg)) != tvg::Result::Success) return;
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//Star
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auto star = tvg::Shape::gen();
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star->fill(80, 80, 80);
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star->moveTo(599, 34);
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star->lineTo(653, 143);
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star->lineTo(774, 160);
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star->lineTo(687, 244);
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star->lineTo(707, 365);
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star->lineTo(599, 309);
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star->lineTo(497, 365);
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star->lineTo(512, 245);
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star->lineTo(426, 161);
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star->lineTo(546, 143);
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star->close();
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star->stroke(10);
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star->stroke(255, 255, 255);
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//Mask3
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auto mask3 = tvg::Shape::gen();
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mask3->appendCircle(600, 200, 125, 125);
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mask3->fill(255, 255, 255); //InvAlphaMask RGB channels are unused.
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star->composite(std::move(mask3), tvg::CompositeMethod::InvAlphaMask);
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if (canvas->push(std::move(star)) != tvg::Result::Success) return;
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//Image
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ifstream file(EXAMPLE_DIR"/rawimage_200x300.raw", ios::binary);
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if (!file.is_open()) return;
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auto 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 image = tvg::Picture::gen();
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if (image->load(data, 200, 300, true) != tvg::Result::Success) return;
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image->translate(500, 400);
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free(data);
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//Mask4
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auto mask4 = tvg::Shape::gen();
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mask4->moveTo(599, 384);
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mask4->lineTo(653, 493);
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mask4->lineTo(774, 510);
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mask4->lineTo(687, 594);
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mask4->lineTo(707, 715);
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mask4->lineTo(599, 659);
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mask4->lineTo(497, 715);
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mask4->lineTo(512, 595);
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mask4->lineTo(426, 511);
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mask4->lineTo(546, 493);
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mask4->close();
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mask4->fill(255, 255, 255); //InvAlphaMask RGB channels are unused.
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mask4->opacity(70);
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image->composite(std::move(mask4), tvg::CompositeMethod::InvAlphaMask);
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if (canvas->push(std::move(image)) != 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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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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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(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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