/* * This file is part of gerbolyze, a vector image preprocessing toolchain * Copyright (C) 2021 Jan Sebastian Götte <gerbolyze@jaseg.de> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <cmath> #include <algorithm> #include <string> #include <iostream> #include <iomanip> #include <gerbolyze.hpp> #include <svg_import_defs.h> using namespace gerbolyze; using namespace std; SimpleGerberOutput::SimpleGerberOutput(ostream &out, bool only_polys, int digits_int, int digits_frac, double scale, d2p offset) : StreamPolygonSink(out, only_polys), m_digits_int(digits_int), m_digits_frac(digits_frac), m_offset(offset), m_scale(scale) { assert(1 <= digits_int && digits_int <= 9); assert(0 <= digits_frac && digits_frac <= 9); m_gerber_scale = round(pow(10, m_digits_frac)); } void SimpleGerberOutput::header_impl(d2p origin, d2p size) { m_offset[0] += origin[0] * m_scale; m_offset[1] += origin[1] * m_scale; m_width = (size[0] - origin[0]) * m_scale; m_height = (size[1] - origin[1]) * m_scale; if (pow(10, m_digits_int-1) < max(m_width, m_height)) { cerr << "Warning: Input has bounding box too large for " << m_digits_int << "." << m_digits_frac << " gerber resolution!" << endl; } m_out << "%FSLAX" << m_digits_int << m_digits_frac << "Y" << m_digits_int << m_digits_frac << "*%" << endl; m_out << "%MOMM*%" << endl; m_out << "%LPD*%" << endl; m_out << "G01*" << endl; m_out << "%ADD10C,0.050000*%" << endl; m_out << "D10*" << endl; } SimpleGerberOutput& SimpleGerberOutput::operator<<(GerberPolarityToken pol) { if (pol == GRB_POL_DARK) { m_out << "%LPD*%" << endl; } else if (pol == GRB_POL_CLEAR) { m_out << "%LPC*%" << endl; } else { assert(false); } return *this; } SimpleGerberOutput& SimpleGerberOutput::operator<<(const Polygon &poly) { if (poly.size() < 3) { cerr << "Warning: " << poly.size() << "-element polygon passed to SimpleGerberOutput" << endl; return *this; } /* NOTE: Clipper and gerber both have different fixed-point scales. We get points in double mm. */ double x = round((poly[0][0] * m_scale + m_offset[0]) * m_gerber_scale); double y = round((m_height - poly[0][1] * m_scale + m_offset[1]) * m_gerber_scale); m_out << "G36*" << endl; m_out << "X" << setw(m_digits_int + m_digits_frac) << setfill('0') << std::internal /* isn't C++ a marvel of engineering? */ << (long long int)x << "Y" << setw(m_digits_int + m_digits_frac) << setfill('0') << std::internal << (long long int)y << "D02*" << endl; m_out << "G01*" << endl; for (size_t i=1; i<poly.size(); i++) { double x = round((poly[i][0] * m_scale + m_offset[0]) * m_gerber_scale); double y = round((m_height - poly[i][1] * m_scale + m_offset[1]) * m_gerber_scale); m_out << "X" << setw(m_digits_int + m_digits_frac) << setfill('0') << std::internal << (long long int)x << "Y" << setw(m_digits_int + m_digits_frac) << setfill('0') << std::internal << (long long int)y << "D01*" << endl; } m_out << "G37*" << endl; return *this; } void SimpleGerberOutput::footer_impl() { m_out << "M02*" << endl; }