Reorg: move svg-flatten files into subdir

1 files changed, 0 insertions, 395 deletions

diff --git a/src/main.cpp b/src/main.cpp
deleted file mode 100644
index 135a4c1..0000000
--- a/src/main.cpp
+++ /dev/null
@@ -1,395 +0,0 @@
-
-#include <cstdlib>
-#include <cstdio>
-#include <filesystem>
-#include <iostream>
-#include <fstream>
-#include <algorithm>
-#include <string>
-#include <argagg.hpp>
-#include <subprocess.h>
-#include <gerbolyze.hpp>
-#include "vec_core.h"
-#include <base64.h>
-
-using argagg::parser_results;
-using argagg::parser;
-using namespace std;
-using namespace gerbolyze;
-
-int main(int argc, char **argv) {
-    parser argparser {{
-            {"help", {"-h", "--help"},
-                "Print help and exit",
-                0},
-            {"version", {"-v", "--version"},
-                "Print version and exit",
-                0},
-            {"ofmt", {"-o", "--format"},
-                "Output format. Supported: gerber, svg, s-exp (KiCAD S-Expression)",
-                1},
-            {"precision", {"-p", "--precision"},
-                "Number of decimal places use for exported coordinates (gerber: 1-9, SVG: 0-*)",
-                1},
-            {"svg_clear_color", {"--clear-color"},
-                "SVG color to use for \"clear\" areas (default: white)",
-                1},
-            {"svg_dark_color", {"--dark-color"},
-                "SVG color to use for \"dark\" areas (default: black)",
-                1},
-            {"min_feature_size", {"-d", "--trace-space"},
-                "Minimum feature size of elements in vectorized graphics (trace/space) in mm. Default: 0.1mm.",
-                1},
-            {"no_header", {"--no-header"},
-                "Do not export output format header/footer, only export the primitives themselves",
-                0},
-            {"flatten", {"--flatten"},
-                "Flatten output so it only consists of non-overlapping white polygons. This perform composition at the vector level. Potentially slow.",
-                0},
-            {"no_flatten", {"--no-flatten"},
-                "Disable automatic flattening for KiCAD S-Exp export",
-                0},
-            {"dilate", {"--dilate"},
-                "Dilate output gerber primitives by this amount in mm. Used for masking out other layers.",
-                1},
-            {"only_groups", {"-g", "--only-groups"},
-                "Comma-separated list of group IDs to export.",
-                1},
-            {"vectorizer", {"-b", "--vectorizer"},
-                "Vectorizer to use for bitmap images. One of poisson-disc (default), hex-grid, square-grid, binary-contours, dev-null.",
-                1},
-            {"vectorizer_map", {"--vectorizer-map"},
-                "Map from image element id to vectorizer. Overrides --vectorizer. Format: id1=vectorizer,id2=vectorizer,...",
-                1},
-            {"force_svg", {"--force-svg"},
-                "Force SVG input irrespective of file name",
-                0},
-            {"force_png", {"--force-png"},
-                "Force bitmap graphics input irrespective of file name",
-                0},
-            {"size", {"-s", "--size"},
-                "Bitmap mode only: Physical size of output image in mm. Format: 12.34x56.78",
-                1},
-            {"sexp_mod_name", {"--sexp-mod-name"},
-                "Module name for KiCAD S-Exp output",
-                1},
-            {"sexp_layer", {"--sexp-layer"},
-                "Layer for KiCAD S-Exp output. Defaults to auto-detect layers from SVG layer/top-level group names",
-                1},
-            {"preserve_aspect_ratio", {"-a", "--preserve-aspect-ratio"},
-                "Bitmap mode only: Preserve aspect ratio of image. Allowed values are meet, slice. Can also parse full SVG preserveAspectRatio syntax.",
-                1},
-            {"skip_usvg", {"--no-usvg"},
-                "Do not preprocess input using usvg (do not use unless you know *exactly* what you're doing)",
-                0},
-            {"exclude_groups", {"-e", "--exclude-groups"},
-                "Comma-separated list of group IDs to exclude from export. Takes precedence over --only-groups.",
-                1},
-
-    }};
-
-
-    ostringstream usage;
-    usage
-        << argv[0] << " " << lib_version << endl
-        << endl
-        << "Usage: " << argv[0] << " [options]... [input_file] [output_file]" << endl
-        << endl
-        << "Specify \"-\" for stdin/stdout." << endl
-        << endl;
-
-    argagg::parser_results args;
-    try {
-        args = argparser.parse(argc, argv);
-    } catch (const std::exception& e) {
-        argagg::fmt_ostream fmt(cerr);
-        fmt << usage.str() << argparser << '\n'
-            << "Encountered exception while parsing arguments: " << e.what()
-            << '\n';
-        return EXIT_FAILURE;
-    }
-
-    if (args["help"]) {
-        argagg::fmt_ostream fmt(cerr);
-        fmt << usage.str() << argparser;
-        return EXIT_SUCCESS;
-    }
-
-    if (args["version"]) {
-        cerr << lib_version << endl;
-        return EXIT_SUCCESS;
-    }
-
-    string in_f_name;
-    istream *in_f = &cin;
-    ifstream in_f_file;
-    string out_f_name;
-    ostream *out_f = &cout;
-    ofstream out_f_file;
-
-    if (args.pos.size() >= 1) {
-        in_f_name = args.pos[0];
-
-        if (args.pos.size() >= 2) {
-            out_f_name = args.pos[1];
-        }
-    }
-
-    if (!in_f_name.empty() && in_f_name != "-") {
-        in_f_file.open(in_f_name);
-        if (!in_f_file) {
-            cerr << "Cannot open input file \"" << in_f_name << "\"" << endl;
-            return EXIT_FAILURE;
-        }
-        in_f = &in_f_file;
-    }
-
-    if (!out_f_name.empty() && out_f_name != "-") {
-        out_f_file.open(out_f_name);
-        if (!out_f_file) {
-            cerr << "Cannot open output file \"" << out_f_name << "\"" << endl;
-            return EXIT_FAILURE;
-        }
-        out_f = &out_f_file;
-    }
-
-    bool only_polys = args["no_header"];
-
-    int precision = 6;
-    if (args["precision"]) {
-        precision = atoi(args["precision"]);
-    }
-
-    string fmt = args["ofmt"] ? args["ofmt"] : "gerber";
-    transform(fmt.begin(), fmt.end(), fmt.begin(), [](unsigned char c){ return std::tolower(c); }); /* c++ yeah */
-
-    string sexp_layer = args["sexp_layer"] ? args["sexp_layer"].as<string>() : "auto";
-
-    bool force_flatten = false;
-    bool is_sexp = false;
-    PolygonSink *sink = nullptr;
-    PolygonSink *flattener = nullptr;
-    PolygonSink *dilater = nullptr;
-    if (fmt == "svg") {
-        string dark_color = args["svg_dark_color"] ? args["svg_dark_color"] : "#000000";
-        string clear_color = args["svg_clear_color"] ? args["svg_clear_color"] : "#ffffff";
-        sink = new SimpleSVGOutput(*out_f, only_polys, precision, dark_color, clear_color);
-
-    } else if (fmt == "gbr" || fmt == "grb" || fmt == "gerber") {
-        sink = new SimpleGerberOutput(*out_f, only_polys, 4, precision);
-
-    } else if (fmt == "s-exp" || fmt == "sexp" || fmt == "kicad") {
-        if (!args["sexp_mod_name"]) {
-            cerr << "--sexp-mod-name must be given for sexp export" << endl;
-            argagg::fmt_ostream fmt(cerr);
-            fmt << usage.str() << argparser;
-            return EXIT_FAILURE;
-        }
-
-        sink = new KicadSexpOutput(*out_f, args["sexp_mod_name"], sexp_layer, only_polys);
-        force_flatten = true;
-        is_sexp = true;
-
-    } else {
-        cerr << "Unknown output format \"" << fmt << "\"" << endl;
-        argagg::fmt_ostream fmt(cerr);
-        fmt << usage.str() << argparser;
-        return EXIT_FAILURE;
-    }
-
-    PolygonSink *top_sink = sink;
-
-    if (args["dilate"]) {
-        dilater = new Dilater(*top_sink, args["dilate"].as<double>());
-        top_sink = dilater;
-    }
-
-    if (args["flatten"] || (force_flatten && !args["no_flatten"])) {
-        flattener = new Flattener(*top_sink);
-        top_sink = flattener;
-    }
-
-    /* Because the C++ stdlib is bullshit */
-    auto id_match = [](string in, vector<string> &out) {
-        stringstream  ss(in);
-        while (getline(ss, out.emplace_back(), ',')) {
-        }
-        out.pop_back();
-    };
-
-    IDElementSelector sel;
-    if (args["only_groups"])
-        id_match(args["only_groups"], sel.include);
-    if (args["exclude_groups"])
-        id_match(args["exclude_groups"], sel.exclude);
-    if (is_sexp && sexp_layer == "auto") {
-        sel.layers = &gerbolyze::kicad_default_layers;
-    }
-
-    string vectorizer = args["vectorizer"] ? args["vectorizer"] : "poisson-disc";
-    /* Check argument */
-    ImageVectorizer *vec = makeVectorizer(vectorizer);
-    if (!vec) {
-        cerr << "Unknown vectorizer \"" << vectorizer << "\"." << endl;
-        argagg::fmt_ostream fmt(cerr);
-        fmt << usage.str() << argparser;
-        return EXIT_FAILURE;
-    }
-    delete vec;
-
-    double min_feature_size = 0.1; /* mm */
-    if (args["min_feature_size"]) {
-        min_feature_size = args["min_feature_size"].as<double>();
-    }
-
-    string ending = "";
-    auto idx = in_f_name.rfind(".");
-    if (idx != string::npos) {
-        ending = in_f_name.substr(idx);
-        transform(ending.begin(), ending.end(), ending.begin(), [](unsigned char c){ return std::tolower(c); }); /* c++ yeah */
-    }
-    
-    filesystem::path barf = { filesystem::temp_directory_path() /= (std::tmpnam(nullptr) + string(".svg")) };
-    filesystem::path frob = { filesystem::temp_directory_path() /= (std::tmpnam(nullptr) + string(".svg")) };
-
-    bool is_svg = args["force_svg"] || (ending == ".svg" && !args["force_png"]);
-    if (!is_svg) {
-        cerr << "writing bitmap into svg" << endl; 
-        if (!args["size"]) {
-            cerr << "Error: --size must be given when using bitmap input." << endl;
-            argagg::fmt_ostream fmt(cerr);
-            fmt << usage.str() << argparser;
-            return EXIT_FAILURE;
-        }
-
-        string sz = args["size"].as<string>();
-        auto pos = sz.find_first_of("x*,");
-        if (pos == string::npos) {
-            cerr << "Error: --size must be of form 12.34x56.78" << endl;
-            argagg::fmt_ostream fmt(cerr);
-            fmt << usage.str() << argparser;
-            return EXIT_FAILURE;
-        }
-
-        string x_str = sz.substr(0, pos);
-        string y_str = sz.substr(pos+1);
-
-        double width = std::strtod(x_str.c_str(), nullptr);
-        double height = std::strtod(y_str.c_str(), nullptr);
-
-        if (width < 1 || height < 1) {
-            cerr << "Error: --size must be of form 12.34x56.78 and values must be positive floating-point numbers in mm" << endl;
-            argagg::fmt_ostream fmt(cerr);
-            fmt << usage.str() << argparser;
-            return EXIT_FAILURE;
-        }
-
-        ofstream svg(barf.c_str());
-
-        svg << "<svg width=\"" << width << "mm\" height=\"" << height << "mm\" viewBox=\"0 0 "
-            << width << " " << height << "\" "
-            << "xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">" << endl;
-
-        string par_attr = "none";
-        if (args["preserve_aspect_ratio"]) {
-            string aspect_ratio = args["preserve_aspect_ratio"].as<string>();
-            if (aspect_ratio == "meet") {
-                par_attr = "xMidYMid meet";
-            } else if (aspect_ratio == "slice") {
-                par_attr = "xMidYMid slice";
-            } else {
-                par_attr = aspect_ratio;
-            }
-        }
-        svg << "<image width=\"" << width << "\" height=\"" << height << "\" x=\"0\" y=\"0\" preserveAspectRatio=\""
-            << par_attr << "\" xlink:href=\"data:image/png;base64,";
-        
-        /* c++ has the best hacks */
-        std::ostringstream sstr;
-        sstr << in_f->rdbuf();
-        string le_data = sstr.str();
-
-        svg << base64_encode(le_data);
-        svg << "\"/>" << endl;
-
-        svg << "</svg>" << endl;
-        svg.close();
-
-    } else { /* svg file */
-        cerr << "copying svg input into temp svg" << endl; 
-
-        /* c++ has the best hacks */
-        std::ostringstream sstr;
-        sstr << in_f->rdbuf();
-
-        ofstream tmp_out(barf.c_str());
-        tmp_out << sstr.str();
-        tmp_out.close();
-
-    }
-
-    if (args["skip_usvg"]) {
-        cerr << "skipping usvg" << endl; 
-        frob = barf;
-
-    } else {
-        cerr << "calling usvg on " << barf << " and " << frob << endl; 
-        const char *command_line[] = {"usvg", "--keep-named-groups", barf.c_str(), frob.c_str(), NULL};
-        struct subprocess_s subprocess;
-        int rc = subprocess_create(command_line, subprocess_option_inherit_environment, &subprocess);
-        if (rc) {
-            cerr << "Error calling usvg!" << endl;
-            return EXIT_FAILURE;
-        }
-
-        int usvg_rc = 0;
-        rc = subprocess_join(&subprocess, &usvg_rc);
-        if (rc) {
-            cerr << "Error calling usvg!" << endl;
-            return EXIT_FAILURE;
-        }
-        if (usvg_rc) {
-            cerr << "usvg returned an error code: " << usvg_rc << endl;
-            return EXIT_FAILURE;
-        }
-
-        rc = subprocess_destroy(&subprocess);
-        if (rc) {
-            cerr << "Error calling usvg!" << endl;
-            return EXIT_FAILURE;
-        }
-    }
-
-    VectorizerSelectorizer vec_sel(vectorizer, args["vectorizer_map"] ? args["vectorizer_map"] : "");
-    RenderSettings rset {
-        min_feature_size,
-        vec_sel,
-    };
-
-    SVGDocument doc;
-    cerr << "Loading temporary file " << frob << endl;
-    ifstream load_f(frob);
-    if (!doc.load(load_f)) {
-        cerr <<  "Error loading input file \"" << in_f_name << "\", exiting." << endl;
-        return EXIT_FAILURE;
-    }
-
-    doc.render(rset, *top_sink, &sel);
-
-    if (!is_svg) {
-        remove(frob.c_str());
-        remove(barf.c_str());
-    }
-
-    if (flattener) {
-        delete flattener;
-    }
-    if (dilater) {
-        delete dilater;
-    }
-    if (sink) {
-        delete sink;
-    }
-    return EXIT_SUCCESS;
-}
-