mirror of
https://github.com/thorvg/thorvg.git
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102 lines
No EOL
3.8 KiB
C++
102 lines
No EOL
3.8 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 "Example.h"
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/************************************************************************/
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/* ThorVG Drawing Contents */
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/************************************************************************/
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struct UserExample : tvgexam::Example
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{
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bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
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{
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if (!canvas) return false;
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//Background
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auto shape = tvg::Shape::gen();
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shape->appendRect(0, 0, w, h);
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shape->fill(255, 255, 255);
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canvas->push(std::move(shape));
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//Raw Image
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string path(EXAMPLE_DIR"/image/rawimage_200x300.raw");
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ifstream file(path, ios::binary);
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if (!file.is_open()) return false;
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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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//Picture
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auto picture = tvg::Picture::gen();
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if (!tvgexam::verify(picture->load(data, 200, 300, true, true))) return false;
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//Composing Meshes
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tvg::Polygon triangles[4];
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triangles[0].vertex[0] = {{100, 125}, {0, 0}};
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triangles[0].vertex[1] = {{300, 100}, {0.5, 0}};
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triangles[0].vertex[2] = {{200, 550}, {0, 1}};
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triangles[1].vertex[0] = {{300, 100}, {0.5, 0}};
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triangles[1].vertex[1] = {{350, 450}, {0.5, 1}};
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triangles[1].vertex[2] = {{200, 550}, {0, 1}};
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triangles[2].vertex[0] = {{300, 100}, {0.5, 0}};
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triangles[2].vertex[1] = {{500, 200}, {1, 0}};
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triangles[2].vertex[2] = {{350, 450}, {0.5, 1}};
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triangles[3].vertex[0] = {{500, 200}, {1, 0}};
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triangles[3].vertex[1] = {{450, 450}, {1, 1}};
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triangles[3].vertex[2] = {{350, 450}, {0.5, 1}};
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if (!tvgexam::verify(picture->mesh(triangles, 4))) return false;
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//Masking + Opacity
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auto picture2 = tvg::cast<tvg::Picture>(picture->duplicate());
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picture2->translate(400, 400);
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picture2->opacity(200);
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auto mask = tvg::Shape::gen();
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mask->appendCircle(700, 700, 200, 200);
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mask->fill(255, 255, 255);
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picture2->composite(std::move(mask), tvg::CompositeMethod::AlphaMask);
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canvas->push(std::move(picture));
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canvas->push(std::move(picture2));
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free(data);
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return true;
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}
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};
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/************************************************************************/
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/* Entry Point */
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/************************************************************************/
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int main(int argc, char **argv)
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{
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return tvgexam::main(new UserExample, argc, argv, 1024, 1024);
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} |