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https://github.com/RetroDECK/ES-DE.git
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67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#include "stb_image_write.h"
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#include <iostream>
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#include <sstream>
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#include <lunasvg.h>
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using namespace lunasvg;
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int help()
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{
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std::cout << "Usage: \n svg2png [filename] [resolution] [bgColor]\n\nExamples: \n $ svg2png input.svg\n $ svg2png input.svg 512x512\n $ svg2png input.svg 512x512 0xff00ffff\n\n";
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return 1;
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}
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bool setup(int argc, char** argv, std::string& filename, std::uint32_t& width, std::uint32_t& height, std::uint32_t& bgColor)
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{
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if(argc > 1) filename.assign(argv[1]);
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if(argc > 2)
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{
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std::stringstream ss;
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ss << argv[2];
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ss >> width;
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if(ss.fail() || ss.get() != 'x')
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return false;
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ss >> height;
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}
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if(argc > 3)
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{
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std::stringstream ss;
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ss << std::hex << argv[3];
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ss >> std::hex >> bgColor;
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}
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return true;
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}
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int main(int argc, char** argv)
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{
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std::string filename;
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std::uint32_t width = 0, height = 0;
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std::uint32_t bgColor = 0x00000000;
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if(!setup(argc, argv, filename, width, height, bgColor)) return help();
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auto document = Document::loadFromFile(filename);
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if(!document) return help();
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auto bitmap = document->renderToBitmap(width, height, bgColor);
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if(!bitmap.valid()) return help();
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auto basename = filename.substr(filename.find_last_of("/\\") + 1);
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basename.append(".png");
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bitmap.convertToRGBA();
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stbi_write_png(basename.c_str(), int(bitmap.width()), int(bitmap.height()), 4, bitmap.data(), 0);
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std::cout << "Generated PNG file : " << basename << std::endl;
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return 0;
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}
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