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Gerber and SVG export working

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3
.gitmodules vendored
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@ -7,3 +7,6 @@
[submodule "upstream/poisson-disk-sampling"]
path = upstream/poisson-disk-sampling
url = https://github.com/thinks/poisson-disk-sampling
[submodule "upstream/argagg"]
path = upstream/argagg
url = https://github.com/vietjtnguyen/argagg

661
LICENSE Normal file
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@ -0,0 +1,661 @@
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11
Makefile
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@ -1,5 +1,5 @@
CXX := clang
CXX := clang++
LD := ld
PKG_CONFIG ?= pkg-config
@ -12,14 +12,19 @@ SOURCES := src/svg_color.cpp \
src/svg_path.cpp \
src/svg_pattern.cpp \
src/vec_core.cpp \
src/vec_grid.cpp
src/vec_grid.cpp \
src/main.cpp \
src/out_svg.cpp \
src/out_gerber.cpp \
src/lambda_sink.cpp \
CLIPPER_SOURCES := upstream/clipper-6.4.2/cpp/clipper.cpp upstream/clipper-6.4.2/cpp/cpp_cairo/cairo_clipper.cpp
CLIPPER_INCLUDES := -Iupstream/clipper-6.4.2/cpp -Iupstream/clipper-6.4.2/cpp/cpp_cairo/
VORONOI_INCLUDES := -Iupstream/voronoi/src
POISSON_INCLUDES := -Iupstream/poisson-disk-sampling/thinks/poisson_disk_sampling/
BASE64_INCLUDES := -Iupstream/cpp-base64
INCLUDES := $(CLIPPER_INCLUDES) $(VORONOI_INCLUDES) $(POISSON_INCLUDES) $(BASE64_INCLUDES)
ARGAGG_INCLUDES := -Iupstream/argagg/include/argagg
INCLUDES := -Iinclude -Isrc $(CLIPPER_INCLUDES) $(VORONOI_INCLUDES) $(POISSON_INCLUDES) $(BASE64_INCLUDES) $(ARGAGG_INCLUDES)
CXXFLAGS := -std=c++2a -g -Wall -Wextra
CXXFLAGS += $(shell $(PKG_CONFIG) --cflags pangocairo pugixml opencv4)

36
src/lambda_sink.cpp Normal file
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@ -0,0 +1,36 @@
/*
* 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 <gerbolyze.hpp>
#include <svg_import_defs.h>
using namespace gerbolyze;
using namespace std;
LambdaPolygonSink& LambdaPolygonSink::operator<<(const Polygon &poly) {
m_lambda(poly, m_currentPolarity);
return *this;
}
LambdaPolygonSink& LambdaPolygonSink::operator<<(GerberPolarityToken pol) {
m_currentPolarity = pol;
return *this;
}

105
src/main.cpp Normal file
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@ -0,0 +1,105 @@
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <string>
#include <argagg.hpp>
#include <gerbolyze.hpp>
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", "--output-format"},
"Output format. Supported: gerber, svg, s-exp (KiCAD S-Expression)",
1},
{"flatten", {"-f", "--flatten"},
"Flatten output so it only consists of non-overlapping white polygons. This perform composition at the vector level. Potentially slow.",
0},
}};
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;
}
SVGDocument doc;
if (!doc.load(*in_f)) {
cerr << "Error loading input file \"" << in_f_name << "\", exiting." << endl;
return EXIT_FAILURE;
}
SimpleGerberOutput out(*out_f);
doc.render(out);
return EXIT_SUCCESS;
}

99
src/out_gerber.cpp Normal file
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@ -0,0 +1,99 @@
/*
* 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, d2p offset)
: StreamPolygonSink(out, only_polys),
m_digits_int(digits_int),
m_digits_frac(digits_frac),
m_offset(offset)
{
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_offset[1] += origin[1];
m_width = size[0] - origin[0];
m_height = size[1] - origin[1];
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_offset[0]) * m_gerber_scale);
double y = round((m_height - poly[0][1] + m_offset[1]) * m_gerber_scale);
m_out << "G36*" << endl;
m_out << "X" << setw(m_digits_int + m_digits_frac) << setfill('0') << (long long int)x
<< "Y" << setw(m_digits_int + m_digits_frac) << setfill('0') << (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_offset[0]) * m_gerber_scale);
double y = round((m_height - poly[i][1] + m_offset[1]) * m_gerber_scale);
m_out << "X" << setw(m_digits_int + m_digits_frac) << setfill('0') << (long long int)x
<< "Y" << setw(m_digits_int + m_digits_frac) << setfill('0') << (long long int)y
<< "D01*" << endl;
}
m_out << "G37*" << endl;
return *this;
}
void SimpleGerberOutput::footer_impl() {
m_out << "M02*" << endl;
}

80
src/out_svg.cpp Normal file
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@ -0,0 +1,80 @@
/*
* 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;
SimpleSVGOutput::SimpleSVGOutput(ostream &out, bool only_polys, int digits_frac, string dark_color, string clear_color)
: StreamPolygonSink(out, only_polys),
m_digits_frac(digits_frac),
m_dark_color(dark_color),
m_clear_color(clear_color),
m_current_color(dark_color)
{
}
void SimpleSVGOutput::header_impl(d2p origin, d2p size) {
m_offset[0] = origin[0];
m_offset[1] = origin[1];
m_out << "<svg width=\"" << size[0] << "mm\" height=\"" << size[1] << "mm\" viewBox=\"0 0 "
<< size[0] << " " << size[1] << "\" xmlns=\"http://www.w3.org/2000/svg\">" << endl;
}
SimpleSVGOutput &SimpleSVGOutput::operator<<(GerberPolarityToken pol) {
if (pol == GRB_POL_DARK) {
m_current_color = m_dark_color;
} else if (pol == GRB_POL_CLEAR) {
m_current_color = m_clear_color;
} else {
assert(false);
}
return *this;
}
SimpleSVGOutput &SimpleSVGOutput::operator<<(const Polygon &poly) {
if (poly.size() < 3) {
cerr << "Warning: " << poly.size() << "-element polygon passed to SimpleGerberOutput" << endl;
return *this;
}
m_out << "<path fill=\"" << m_current_color << "\" d=\"";
m_out << "M " << setprecision(m_digits_frac) << (poly[0][0] + m_offset[0])
<< " " << setprecision(m_digits_frac) << (poly[0][1] + m_offset[1]);
for (size_t i=1; i<poly.size(); i++) {
m_out << " L " << setprecision(m_digits_frac) << (poly[i][0] + m_offset[0])
<< " " << setprecision(m_digits_frac) << (poly[i][1] + m_offset[1]);
}
m_out << " Z";
m_out << "\"/>" << endl;
return *this;
}
void SimpleSVGOutput::footer_impl() {
m_out << "</svg>" << endl;
}

44
src/svg_color.cpp
View file

@ -1,25 +1,19 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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 "svg_color.h"
@ -28,7 +22,7 @@
#include <string>
#include <cmath>
using namespace svg_plugin;
using namespace gerbolyze;
using namespace std;
/* Map an SVG fill or stroke definition (color, but may also be a pattern) to a gerber color.
@ -36,7 +30,7 @@ using namespace std;
* This function handles transparency: Transparent SVG colors are mapped such that no gerber output is generated for
* them.
*/
enum gerber_color svg_plugin::svg_color_to_gerber(string color, string opacity, enum gerber_color default_val) {
enum gerber_color gerbolyze::svg_color_to_gerber(string color, string opacity, enum gerber_color default_val) {
float alpha = 1.0;
if (!opacity.empty() && opacity[0] != '\0') {
char *endptr = nullptr;
@ -71,7 +65,7 @@ enum gerber_color svg_plugin::svg_color_to_gerber(string color, string opacity,
return GRB_DARK;
}
svg_plugin::RGBColor::RGBColor(string hex) {
gerbolyze::RGBColor::RGBColor(string hex) {
assert(hex[0] == '#');
char *endptr = nullptr;
const char *c = hex.data();
@ -84,7 +78,7 @@ svg_plugin::RGBColor::RGBColor(string hex) {
b = ((rgb >> 0) & 0xff) / 255.0f;
};
svg_plugin::HSVColor::HSVColor(const RGBColor &color) {
gerbolyze::HSVColor::HSVColor(const RGBColor &color) {
float xmax = fmax(color.r, fmax(color.g, color.b));
float xmin = fmin(color.r, fmin(color.g, color.b));
float c = xmax - xmin;
@ -104,7 +98,7 @@ svg_plugin::HSVColor::HSVColor(const RGBColor &color) {
}
/* Invert gerber color */
enum gerber_color svg_plugin::gerber_color_invert(enum gerber_color color) {
enum gerber_color gerbolyze::gerber_color_invert(enum gerber_color color) {
switch (color) {
case GRB_CLEAR: return GRB_DARK;
case GRB_DARK: return GRB_CLEAR;
@ -113,12 +107,12 @@ enum gerber_color svg_plugin::gerber_color_invert(enum gerber_color color) {
}
/* Read node's fill attribute and convert it to a gerber color */
enum gerber_color svg_plugin::gerber_fill_color(const pugi::xml_node &node) {
enum gerber_color gerbolyze::gerber_fill_color(const pugi::xml_node &node) {
return svg_color_to_gerber(node.attribute("fill").value(), node.attribute("fill-opacity").value(), GRB_DARK);
}
/* Read node's stroke attribute and convert it to a gerber color */
enum gerber_color svg_plugin::gerber_stroke_color(const pugi::xml_node &node) {
enum gerber_color gerbolyze::gerber_stroke_color(const pugi::xml_node &node) {
return svg_color_to_gerber(node.attribute("stroke").value(), node.attribute("stroke-opacity").value(), GRB_NONE);
}

38
src/svg_color.h
View file

@ -1,33 +1,26 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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/>.
*/
#ifndef SVG_COLOR_H
#define SVG_COLOR_H
#pragma once
#include <pugixml.hpp>
namespace svg_plugin {
namespace gerbolyze {
/* Enum that describes the color with which an SVG primite should be exported */
enum gerber_color {
@ -54,6 +47,5 @@ enum gerber_color gerber_color_invert(enum gerber_color color);
enum gerber_color gerber_fill_color(const pugi::xml_node &node);
enum gerber_color gerber_stroke_color(const pugi::xml_node &node);
} /* namespace svg_plugin */
} /* namespace gerbolyze */
#endif /* SVG_COLOR_H */

105
src/svg_doc.cpp
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@ -1,57 +1,59 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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 <iostream>
#include <fstream>
#include "svg_import_defs.h"
#include "svg_doc.h"
#include "svg_color.h"
#include "svg_geom.h"
#include "svg_path.h"
#include "vec_core.h"
using namespace svg_plugin;
using namespace gerbolyze;
using namespace std;
using namespace ClipperLib;
using namespace vectorizer;
svg_plugin::SVGDocument::~SVGDocument() {
gerbolyze::SVGDocument::~SVGDocument() {
if (cr)
cairo_destroy (cr);
if (surface)
cairo_surface_destroy (surface);
}
bool svg_plugin::SVGDocument::load(string filename, string debug_out_filename) {
bool gerbolyze::SVGDocument::load(string filename, string debug_out_filename) {
ifstream in_f;
in_f.open(filename);
return in_f && load(in_f, debug_out_filename);
}
bool gerbolyze::SVGDocument::load(istream &in, string debug_out_filename) {
/* Load XML document */
auto res = svg_doc.load_file(filename.c_str());
auto res = svg_doc.load(in);
if (!res) {
cerr << "Cannot open input file \"" << filename << "\": " << res << endl;
cerr << "Cannot parse input file" << endl;
return false;
}
root_elem = svg_doc.child("svg");
if (!root_elem) {
cerr << "Cannot load input file \"" << filename << endl;
cerr << "Input file is missing root <svg> element" << endl;
return false;
}
@ -90,7 +92,7 @@ bool svg_plugin::SVGDocument::load(string filename, string debug_out_filename) {
return true;
}
const Paths *svg_plugin::SVGDocument::lookup_clip_path(const pugi::xml_node &node) {
const Paths *gerbolyze::SVGDocument::lookup_clip_path(const pugi::xml_node &node) {
string id(usvg_id_url(node.attribute("clip-path").value()));
if (id.empty() || !clip_path_map.contains(id)) {
return nullptr;
@ -98,7 +100,7 @@ const Paths *svg_plugin::SVGDocument::lookup_clip_path(const pugi::xml_node &nod
return &clip_path_map[id];
}
Pattern *svg_plugin::SVGDocument::lookup_pattern(const string id) {
Pattern *gerbolyze::SVGDocument::lookup_pattern(const string id) {
if (id.empty() || !pattern_map.contains(id)) {
return nullptr;
}
@ -106,16 +108,16 @@ Pattern *svg_plugin::SVGDocument::lookup_pattern(const string id) {
};
/* Used to convert mm values from configuration such as the minimum feature size into document units. */
double svg_plugin::SVGDocument::mm_to_doc_units(double mm) const {
double gerbolyze::SVGDocument::mm_to_doc_units(double mm) const {
return mm * (vb_w / page_w_mm);
}
double svg_plugin::SVGDocument::doc_units_to_mm(double px) const {
double gerbolyze::SVGDocument::doc_units_to_mm(double px) const {
return px / (vb_w / page_w_mm);
}
/* Recursively export all SVG elements in the given group. */
void svg_plugin::SVGDocument::export_svg_group(const pugi::xml_node &group, Paths &parent_clip_path) {
void gerbolyze::SVGDocument::export_svg_group(const pugi::xml_node &group, Paths &parent_clip_path) {
/* Enter the group's coordinate system */
cairo_save(cr);
apply_cairo_transform_from_svg(cr, group.attribute("transform").value());
@ -137,19 +139,12 @@ void svg_plugin::SVGDocument::export_svg_group(const pugi::xml_node &group, Path
/* Clip against parent's clip path (both are now in document coordinates) */
if (!parent_clip_path.empty()) {
if (!clip_path.empty()) {
cerr << "Combining clip paths" << endl;
combine_clip_paths(parent_clip_path, clip_path, clip_path);
} else {
cerr << "using parent clip path" << endl;
clip_path = parent_clip_path;
}
}
ClipperLib::Clipper c2;
c2.AddPaths(clip_path, ptSubject, /* closed */ true);
ClipperLib::IntRect bbox = c2.GetBounds();
cerr << "clip path is now: bbox={" << bbox.left << ", " << bbox.top << "} - {" << bbox.right << ", " << bbox.bottom << "}" << endl;
/* Iterate over the group's children, exporting them one by one. */
for (const auto &node : group.children()) {
string name(node.name());
@ -162,7 +157,7 @@ void svg_plugin::SVGDocument::export_svg_group(const pugi::xml_node &group, Path
} else if (name == "image") {
double min_feature_size_mm = 0.1; /* TODO make configurable */
double min_feature_size_px = mm_to_doc_units(min_feature_size_mm);
vectorize_image(cr, node, min_feature_size_px, clip_path, viewport_matrix);
vectorize_image(cr, node, min_feature_size_px, clip_path, viewport_matrix, *polygon_sink);
} else if (name == "defs") {
/* ignore */
} else {
@ -174,7 +169,7 @@ void svg_plugin::SVGDocument::export_svg_group(const pugi::xml_node &group, Path
}
/* Export an SVG path element to gerber. Apply patterns and clip on the fly. */
void svg_plugin::SVGDocument::export_svg_path(const pugi::xml_node &node, Paths &clip_path) {
void gerbolyze::SVGDocument::export_svg_path(const pugi::xml_node &node, Paths &clip_path) {
enum gerber_color fill_color = gerber_fill_color(node);
enum gerber_color stroke_color = gerber_stroke_color(node);
@ -253,8 +248,7 @@ void svg_plugin::SVGDocument::export_svg_path(const pugi::xml_node &node, Paths
out.push_back(std::array<double, 2>{
((double)p.X) / clipper_scale, ((double)p.Y) / clipper_scale
});
std::cerr << "calling sink" << std::endl;
polygon_sink(out, fill_color == GRB_DARK);
*polygon_sink << (fill_color == GRB_DARK ? GRB_POL_DARK : GRB_POL_CLEAR) << out;
}
cairo_restore(cr);
}
@ -341,28 +335,37 @@ void svg_plugin::SVGDocument::export_svg_path(const pugi::xml_node &node, Paths
out.push_back(std::array<double, 2>{
((double)p.X) / clipper_scale, ((double)p.Y) / clipper_scale
});
std::cerr << "calling sink" << std::endl;
polygon_sink(out, stroke_color == GRB_DARK);
*polygon_sink << (stroke_color == GRB_DARK ? GRB_POL_DARK : GRB_POL_CLEAR) << out;
}
cairo_restore(cr);
}
}
}
void svg_plugin::SVGDocument::do_export(string debug_out_filename) {
void gerbolyze::SVGDocument::render(PolygonSink &sink) {
assert(_valid);
/* Export the actual SVG document to both SVG for debuggin and to gerber. We do this as we go, i.e. we immediately
* process each element to gerber as we encounter it instead of first rendering everything to a giant list of gerber
* primitives and then serializing those later. Exporting them on the fly saves a ton of memory and is much faster.
*/
polygon_sink = &sink;
sink.header({vb_x, vb_y}, {vb_w, vb_h});
ClipperLib::Clipper c;
c.AddPaths(vb_paths, ptSubject, /* closed */ true);
ClipperLib::IntRect bbox = c.GetBounds();
cerr << "document viewbox clip: bbox={" << bbox.left << ", " << bbox.top << "} - {" << bbox.right << ", " << bbox.bottom << "}" << endl;
export_svg_group(root_elem, vb_paths);
sink.footer();
}
void svg_plugin::SVGDocument::setup_debug_output(string filename) {
void gerbolyze::SVGDocument::render_to_list(vector<pair<Polygon, GerberPolarityToken>> &out) {
LambdaPolygonSink sink([&out](const Polygon &poly, GerberPolarityToken pol) {
out.emplace_back(pair<Polygon, GerberPolarityToken>{poly, pol});
});
render(sink);
}
void gerbolyze::SVGDocument::setup_debug_output(string filename) {
/* Setup cairo to draw into a SVG surface (for debugging). For actual rendering, something like a recording surface
* would work fine, too. */
/* Cairo expects the SVG surface size to be given in pt (72.0 pt = 1.0 in = 25.4 mm) */
@ -387,31 +390,27 @@ void svg_plugin::SVGDocument::setup_debug_output(string filename) {
cairo_set_source_rgba (cr, 1.0, 0.0, 0.0, 1.0);
}
void svg_plugin::SVGDocument::setup_viewport_clip() {
void gerbolyze::SVGDocument::setup_viewport_clip() {
/* Set up view port clip path */
Path vb_path;
for (auto &elem : vector<pair<double, double>> {{vb_x, vb_y}, {vb_x+vb_w, vb_y}, {vb_x+vb_w, vb_y+vb_h}, {vb_x, vb_y+vb_h}}) {
double x = elem.first, y = elem.second;
vb_path.push_back({ (cInt)round(x * clipper_scale), (cInt)round(y * clipper_scale) });
cerr << "adding to path: " << (cInt)round(x * clipper_scale) << ", " << (cInt)round(y * clipper_scale) << endl;
}
vb_paths.push_back(vb_path);
ClipperLib::Clipper c;
c.AddPaths(vb_paths, ptSubject, /* closed */ true);
ClipperLib::IntRect bbox = c.GetBounds();
cerr << "did set up viewbox clip: bbox={" << bbox.left << ", " << bbox.top << "} - {" << bbox.right << ", " << bbox.bottom << "}" << endl;
export_svg_group(root_elem, vb_paths);
}
void svg_plugin::SVGDocument::load_patterns() {
void gerbolyze::SVGDocument::load_patterns() {
/* Set up document-wide pattern registry. Load patterns from <defs> node. */
for (const auto &node : defs_node.children("pattern")) {
pattern_map.emplace(std::piecewise_construct, std::forward_as_tuple(node.attribute("id").value()), std::forward_as_tuple(node, *this));
}
}
void svg_plugin::SVGDocument::load_clips() {
void gerbolyze::SVGDocument::load_clips() {
/* Set up document-wide clip path registry: Extract clip path definitions from <defs> element */
for (const auto &node : defs_node.children("clipPath")) {
cairo_save(cr);

97
src/svg_doc.h
View file

@ -1,97 +0,0 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef SVG_DOC_H
#define SVG_DOC_H
#include <map>
#include <pugixml.hpp>
#include "svg_pattern.h"
namespace svg_plugin {
typedef std::function<void (std::vector<std::array<double, 2>>, bool)> polygon_sink_fun;
class SVGDocument {
public:
SVGDocument() : _valid(false) {}
SVGDocument(polygon_sink_fun sink_fun) : _valid(false), polygon_sink(sink_fun) {}
~SVGDocument();
/* true -> load successful */
bool load(std::string filename, std::string debug_out_filename="/tmp/kicad_svg_debug.svg");
/* true -> load successful */
bool valid() const { return _valid; }
operator bool() const { return valid(); }
double mm_to_doc_units(double) const;
double doc_units_to_mm(double) const;
double width() const { return page_w_mm; }
double height() const { return page_h_mm; }
void do_export(std::string debug_out_filename="");
private:
friend class Pattern;
cairo_t *cairo() { return cr; }
const ClipperLib::Paths *lookup_clip_path(const pugi::xml_node &node);
Pattern *lookup_pattern(const std::string id);
void export_svg_group(const pugi::xml_node &group, ClipperLib::Paths &parent_clip_path);
void export_svg_path(const pugi::xml_node &node, ClipperLib::Paths &clip_path);
void setup_debug_output(std::string filename="");
void setup_viewport_clip();
void load_clips();
void load_patterns();
bool _valid;
pugi::xml_document svg_doc;
pugi::xml_node root_elem;
pugi::xml_node defs_node;
double vb_x, vb_y, vb_w, vb_h;
double page_w, page_h;
double page_w_mm, page_h_mm;
std::map<std::string, Pattern> pattern_map;
std::map<std::string, ClipperLib::Paths> clip_path_map;
cairo_matrix_t viewport_matrix;
ClipperLib::Paths vb_paths; /* viewport clip rect */
cairo_t *cr = nullptr;
cairo_surface_t *surface = nullptr;
polygon_sink_fun polygon_sink;
static constexpr double dbg_fill_alpha = 0.8;
static constexpr double dbg_stroke_alpha = 1.0;
static constexpr double assumed_usvg_dpi = 96.0;
};
} /* namespace svg_plugin */
#endif /* SVG_DOC_H */

44
src/svg_geom.cpp
View file

@ -1,25 +1,19 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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 "svg_geom.h"
@ -35,7 +29,7 @@ using namespace ClipperLib;
using namespace std;
/* Get bounding box of a Clipper Paths */
IntRect svg_plugin::get_paths_bounds(const Paths &paths) {
IntRect gerbolyze::get_paths_bounds(const Paths &paths) {
if (paths.empty()) {
return {0, 0, 0, 0};
}
@ -66,7 +60,7 @@ IntRect svg_plugin::get_paths_bounds(const Paths &paths) {
return {x0, y0, x1, y1};
}
enum ClipperLib::PolyFillType svg_plugin::clipper_fill_rule(const pugi::xml_node &node) {
enum ClipperLib::PolyFillType gerbolyze::clipper_fill_rule(const pugi::xml_node &node) {
string val(node.attribute("fill-rule").value());
if (val == "evenodd")
return ClipperLib::pftEvenOdd;
@ -74,7 +68,7 @@ enum ClipperLib::PolyFillType svg_plugin::clipper_fill_rule(const pugi::xml_node
return ClipperLib::pftNonZero; /* default */
}
enum ClipperLib::EndType svg_plugin::clipper_end_type(const pugi::xml_node &node) {
enum ClipperLib::EndType gerbolyze::clipper_end_type(const pugi::xml_node &node) {
string val(node.attribute("stroke-linecap").value());
if (val == "round")
return ClipperLib::etOpenRound;
@ -85,7 +79,7 @@ enum ClipperLib::EndType svg_plugin::clipper_end_type(const pugi::xml_node &node
return ClipperLib::etOpenButt;
}
enum ClipperLib::JoinType svg_plugin::clipper_join_type(const pugi::xml_node &node) {
enum ClipperLib::JoinType gerbolyze::clipper_join_type(const pugi::xml_node &node) {
string val(node.attribute("stroke-linejoin").value());
if (val == "round")
return ClipperLib::jtRound;
@ -100,7 +94,7 @@ enum ClipperLib::JoinType svg_plugin::clipper_join_type(const pugi::xml_node &no
* all holes from it. We remove holes by splitting each polygon that has a hole into two or more pieces so that the hole
* is no more. These pieces perfectly fit each other so there is no visual or functional difference.
*/
void svg_plugin::dehole_polytree(PolyNode &ptree, Paths &out) {
void gerbolyze::dehole_polytree(PolyNode &ptree, Paths &out) {
for (int i=0; i<ptree.ChildCount(); i++) {
PolyNode *nod = ptree.Childs[i];
assert(nod);
@ -149,7 +143,7 @@ void svg_plugin::dehole_polytree(PolyNode &ptree, Paths &out) {
}
/* Intersect two clip paths. Both must share a coordinate system. */
void svg_plugin::combine_clip_paths(Paths &in_a, Paths &in_b, Paths &out) {
void gerbolyze::combine_clip_paths(Paths &in_a, Paths &in_b, Paths &out) {
Clipper c;
c.StrictlySimple(true);
c.AddPaths(in_a, ptClip, /* closed */ true);
@ -160,7 +154,7 @@ void svg_plugin::combine_clip_paths(Paths &in_a, Paths &in_b, Paths &out) {
/* Transform given clipper paths under the given cairo transform. If no transform is given, use cairo's current
* user-to-device transform. */
void svg_plugin::transform_paths(cairo_t *cr, Paths &paths, cairo_matrix_t *mat) {
void gerbolyze::transform_paths(cairo_t *cr, Paths &paths, cairo_matrix_t *mat) {
cairo_save(cr);
if (mat != nullptr) {
cairo_set_matrix(cr, mat);

38
src/svg_geom.h
View file

@ -1,35 +1,28 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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/>.
*/
#ifndef SVG_GEOM_H
#define SVG_GEOM_H
#pragma once
#include <cairo.h>
#include <clipper.hpp>
#include <pugixml.hpp>
namespace svg_plugin {
namespace gerbolyze {
ClipperLib::IntRect get_paths_bounds(const ClipperLib::Paths &paths);
enum ClipperLib::PolyFillType clipper_fill_rule(const pugi::xml_node &node);
@ -39,6 +32,5 @@ void dehole_polytree(ClipperLib::PolyNode &ptree, ClipperLib::Paths &out);
void combine_clip_paths(ClipperLib::Paths &in_a, ClipperLib::Paths &in_b, ClipperLib::Paths &out);
void transform_paths(cairo_t *cr, ClipperLib::Paths &paths, cairo_matrix_t *mat=nullptr);
} /* namespace svg_plugin */
} /* namespace gerbolyze */
#endif /* SVG_GEOM_H */

46
src/svg_import_util.cpp
View file

@ -1,25 +1,19 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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>
@ -28,7 +22,7 @@
using namespace std;
void svg_plugin::print_matrix(cairo_t *cr, bool print_examples) {
void gerbolyze::print_matrix(cairo_t *cr, bool print_examples) {
cairo_matrix_t mat;
cairo_get_matrix(cr, &mat);
cerr << " xform matrix = { xx=" << mat.xx << ", yx=" << mat.yx << ", xy=" << mat.xy << ", yy=" << mat.yy << ", x0=" << mat.x0 << ", y0=" << mat.y0 << " }" << endl;
@ -49,7 +43,7 @@ void svg_plugin::print_matrix(cairo_t *cr, bool print_examples) {
}
/* Read a double value formatted like usvg formats doubles from an SVG attribute */
double svg_plugin::usvg_double_attr(const pugi::xml_node &node, const char *attr, double default_value) {
double gerbolyze::usvg_double_attr(const pugi::xml_node &node, const char *attr, double default_value) {
const auto *val = node.attribute(attr).value();
if (*val == '\0')
return default_value;
@ -58,7 +52,7 @@ double svg_plugin::usvg_double_attr(const pugi::xml_node &node, const char *attr
}
/* Read an url from an usvg attribute */
string svg_plugin::usvg_id_url(string attr) {
string gerbolyze::usvg_id_url(string attr) {
if (attr.rfind("url(#", 0) == string::npos)
return string();
@ -67,7 +61,7 @@ string svg_plugin::usvg_id_url(string attr) {
return attr;
}
svg_plugin::RelativeUnits svg_plugin::map_str_to_units(string str, svg_plugin::RelativeUnits default_val) {
gerbolyze::RelativeUnits gerbolyze::map_str_to_units(string str, gerbolyze::RelativeUnits default_val) {
if (str == "objectBoundingBox")
return SVG_ObjectBoundingBox;
else if (str == "userSpaceOnUse")
@ -75,7 +69,7 @@ svg_plugin::RelativeUnits svg_plugin::map_str_to_units(string str, svg_plugin::R
return default_val;
}
void svg_plugin::load_cairo_matrix_from_svg(const string &transform, cairo_matrix_t &mat) {
void gerbolyze::load_cairo_matrix_from_svg(const string &transform, cairo_matrix_t &mat) {
if (transform.empty()) {
cairo_matrix_init_identity(&mat);
return;
@ -97,14 +91,14 @@ void svg_plugin::load_cairo_matrix_from_svg(const string &transform, cairo_matri
cairo_matrix_init(&mat, a, b, c, d, e, f);
}
void svg_plugin::apply_cairo_transform_from_svg(cairo_t *cr, const string &transform) {
void gerbolyze::apply_cairo_transform_from_svg(cairo_t *cr, const string &transform) {
cairo_matrix_t mat;
load_cairo_matrix_from_svg(transform, mat);
cairo_transform(cr, &mat); /* or cairo_transform? */
}
/* Cf. https://tools.ietf.org/html/rfc2397 */
string svg_plugin::parse_data_iri(const string &data_url) {
string gerbolyze::parse_data_iri(const string &data_url) {
if (data_url.rfind("data:", 0) == string::npos) /* check if url starts with "data:" */
return string();
@ -119,7 +113,7 @@ string svg_plugin::parse_data_iri(const string &data_url) {
}
/* for debug svg output */
void svg_plugin::apply_viewport_matrix(cairo_t *cr, cairo_matrix_t &viewport_matrix) {
void gerbolyze::apply_viewport_matrix(cairo_t *cr, cairo_matrix_t &viewport_matrix) {
/* Multiply viewport matrix *from the left*, i.e. as if it had been applied *before* the currently set matrix. */
cairo_matrix_t old_matrix;
cairo_get_matrix(cr, &old_matrix);

38
src/svg_import_util.h
View file

@ -1,29 +1,22 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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/>.
*/
#ifndef SVG_IMPORT_UTIL_H
#define SVG_IMPORT_UTIL_H
#pragma once
#include <math.h>
#include <cmath>
@ -46,7 +39,7 @@
#include "svg_import_defs.h"
namespace svg_plugin {
namespace gerbolyze {
/* Coordinate system selection for things like "patternContentUnits" */
enum RelativeUnits {
@ -64,6 +57,5 @@ void apply_cairo_transform_from_svg(cairo_t *cr, const std::string &transform);
std::string parse_data_iri(const std::string &data_url);
void apply_viewport_matrix(cairo_t *cr, cairo_matrix_t &viewport_matrix);
} /* namespace svg_plugin */
} /* namespace gerbolyze */
#endif /* SVG_IMPORT_UTIL_H */

36
src/svg_path.cpp
View file

@ -1,25 +1,19 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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>
@ -101,7 +95,7 @@ static void path_to_clipper_via_cairo(cairo_t *cr, ClipperLib::Clipper &c, const
}
}
void svg_plugin::load_svg_path(cairo_t *cr, const pugi::xml_node &node, ClipperLib::PolyTree &ptree) {
void gerbolyze::load_svg_path(cairo_t *cr, const pugi::xml_node &node, ClipperLib::PolyTree &ptree) {
auto *path_data = node.attribute("d").value();
auto fill_rule = clipper_fill_rule(node);
@ -118,7 +112,7 @@ void svg_plugin::load_svg_path(cairo_t *cr, const pugi::xml_node &node, ClipperL
c.Execute(ClipperLib::ctUnion, ptree, fill_rule, ClipperLib::pftNonZero);
}
void svg_plugin::parse_dasharray(const pugi::xml_node &node, vector<double> &out) {
void gerbolyze::parse_dasharray(const pugi::xml_node &node, vector<double> &out) {
out.clear();
string val(node.attribute("stroke-dasharray").value());
@ -140,7 +134,7 @@ void svg_plugin::parse_dasharray(const pugi::xml_node &node, vector<double> &out
/* Take a Clipper path in clipper-scaled document units, and apply the given SVG dash array to it. Do this by walking
* the path from start to end while emitting dashes. */
void svg_plugin::dash_path(const ClipperLib::Path &in, ClipperLib::Paths &out, const vector<double> dasharray, double dash_offset) {
void gerbolyze::dash_path(const ClipperLib::Path &in, ClipperLib::Paths &out, const vector<double> dasharray, double dash_offset) {
out.clear();
if (dasharray.empty() || in.size() < 2) {
out.push_back(in);

36
src/svg_path.h
View file

@ -1,38 +1,30 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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/>.
*/
#ifndef SVG_PATH_H
#define SVG_PATH_H
#pragma once
#include <vector>
#include <cairo.h>
#include "svg_geom.h"
namespace svg_plugin {
namespace gerbolyze {
void load_svg_path(cairo_t *cr, const pugi::xml_node &node, ClipperLib::PolyTree &ptree);
void parse_dasharray(const pugi::xml_node &node, std::vector<double> &out);
void dash_path(const ClipperLib::Path &in, ClipperLib::Paths &out, const std::vector<double> dasharray, double dash_offset=0.0);
}
#endif /* SVG_PATH_H */

36
src/svg_pattern.cpp
View file

@ -1,25 +1,19 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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 <assert.h>
@ -27,11 +21,11 @@
#include "svg_pattern.h"
#include "svg_import_defs.h"
#include "svg_geom.h"
#include "svg_doc.h"
#include <gerbolyze.hpp>
using namespace std;
svg_plugin::Pattern::Pattern(const pugi::xml_node &node, SVGDocument &doc) : _node(node), doc(&doc) {
gerbolyze::Pattern::Pattern(const pugi::xml_node &node, SVGDocument &doc) : _node(node), doc(&doc) {
/* Read pattern attributes from SVG node */
cerr << "creating pattern for node with id \"" << node.attribute("id").value() << "\"" << endl;
x = usvg_double_attr(node, "x");
@ -53,7 +47,7 @@ svg_plugin::Pattern::Pattern(const pugi::xml_node &node, SVGDocument &doc) : _no
/* Tile pattern into gerber. Note that this function may be called several times in case the pattern is
* referenced from multiple places, so we must not clobber any of the object's state. */
void svg_plugin::Pattern::tile (ClipperLib::Paths &clip) {
void gerbolyze::Pattern::tile (ClipperLib::Paths &clip) {
assert(doc);
cairo_t *cr = doc->cairo();
assert(cr);

38
src/svg_pattern.h
View file

@ -1,29 +1,22 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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/>.
*/
#ifndef SVG_PATTERN_H
#define SVG_PATTERN_H
#pragma once
#include <string>
#include <cairo.h>
@ -33,7 +26,7 @@
#include "svg_import_util.h"
namespace svg_plugin {
namespace gerbolyze {
class SVGDocument;
@ -55,6 +48,5 @@ private:
SVGDocument *doc = nullptr;
};
} /* namespace svg_plugin */
} /* namespace gerbolyze */
#endif /* SVG_PATTERN_H */

50
src/vec_core.cpp
View file

@ -1,25 +1,19 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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>
@ -32,7 +26,7 @@
#include "svg_import_defs.h"
#include "jc_voronoi.h"
using namespace svg_plugin;
using namespace gerbolyze;
using namespace std;
/* debug function */
@ -84,7 +78,7 @@ static void voronoi_relax_points(const jcv_diagram* diagram, jcv_point* points)
* 4. It scales each of these voronoi cell polygons to match the input images brightness at the spot covered by this
* cell.
*/
void vectorizer::vectorize_image(cairo_t *cr, const pugi::xml_node &node, double min_feature_size_px, ClipperLib::Paths &clip_path, cairo_matrix_t &viewport_matrix) {
void gerbolyze::vectorize_image(cairo_t *cr, const pugi::xml_node &node, double min_feature_size_px, ClipperLib::Paths &clip_path, cairo_matrix_t &viewport_matrix, PolygonSink &sink) {
/* Read XML node attributes */
auto x = usvg_double_attr(node, "x", 0.0);
auto y = usvg_double_attr(node, "y", 0.0);
@ -158,8 +152,12 @@ void vectorizer::vectorize_image(cairo_t *cr, const pugi::xml_node &node, double
cairo_save(cr);
cairo_identity_matrix(cr);
for (const auto &poly : rect_out) {
/* FIXME */
//export_as_gerber(cr, poly, /* dark */ false);
vector<array<double, 2>> out;
for (const auto &p : poly)
out.push_back(std::array<double, 2>{
((double)p.X) / clipper_scale, ((double)p.Y) / clipper_scale
});
sink << GRB_POL_CLEAR << out;
}
cairo_restore(cr);
@ -324,8 +322,12 @@ void vectorizer::vectorize_image(cairo_t *cr, const pugi::xml_node &node, double
cairo_save(cr);
cairo_identity_matrix(cr);
for (const auto &poly : polys) {
/* FIXME */
//export_as_gerber(cr, poly, /* dark */ true);
vector<array<double, 2>> out;
for (const auto &p : poly)
out.push_back(std::array<double, 2>{
((double)p.X) / clipper_scale, ((double)p.Y) / clipper_scale
});
sink << GRB_POL_DARK << out;
}
cairo_restore(cr);
}

39
src/vec_core.h
View file

@ -1,37 +1,30 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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/>.
*/
#ifndef VEC_CORE_H
#define VEC_CORE_H
#pragma once
#include <cairo.h>
#include <pugixml.hpp>
#include <clipper.hpp>
#include <gerbolyze.hpp>
#include "vec_grid.h"
namespace vectorizer {
void vectorize_image(cairo_t *cr, const pugi::xml_node &node, double min_feature_size_px, ClipperLib::Paths &clip_path, cairo_matrix_t &viewport_matrix);
namespace gerbolyze {
void vectorize_image(cairo_t *cr, const pugi::xml_node &node, double min_feature_size_px, ClipperLib::Paths &clip_path, cairo_matrix_t &viewport_matrix, PolygonSink &sink);
}
#endif /* VEC_CORE_H */

40
src/vec_grid.cpp
View file

@ -1,25 +1,19 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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 "poisson_disk_sampling.h"
@ -27,9 +21,9 @@
#include "vec_grid.h"
using namespace std;
using namespace vectorizer;
using namespace gerbolyze;
sampling_fun vectorizer::get_sampler(enum grid_type type) {
sampling_fun gerbolyze::get_sampler(enum grid_type type) {
switch(type) {
case POISSON_DISC:
return sample_poisson_disc;
@ -42,13 +36,13 @@ sampling_fun vectorizer::get_sampler(enum grid_type type) {
}
}
vector<d2p> *vectorizer::sample_poisson_disc(double w, double h, double center_distance) {
vector<d2p> *gerbolyze::sample_poisson_disc(double w, double h, double center_distance) {
d2p top_left {0, 0};
d2p bottom_right {w, h};
return new auto(thinks::PoissonDiskSampling(center_distance, top_left, bottom_right));
}
vector<d2p> *vectorizer::sample_hexgrid(double w, double h, double center_distance) {
vector<d2p> *gerbolyze::sample_hexgrid(double w, double h, double center_distance) {
double radius = center_distance / 2.0 / (sqrt(3) / 2.0); /* radius of hexagon */
double pitch_v = 1.5 * radius;
double pitch_h = center_distance;
@ -81,7 +75,7 @@ vector<d2p> *vectorizer::sample_hexgrid(double w, double h, double center_distan
return out;
}
vector<d2p> *vectorizer::sample_squaregrid(double w, double h, double center_distance) {
vector<d2p> *gerbolyze::sample_squaregrid(double w, double h, double center_distance) {
/* offset of first square to make sure the entire area is covered. We use slightly larger values here to avoid
* corner cases during clipping in the voronoi map generator. The inaccuracies this causes at the edges are
* negligible. */

41
src/vec_grid.h
View file

@ -1,37 +1,29 @@
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* 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/>.
*/
#ifndef VEC_GRID_H
#define VEC_GRID_H
#pragma once
#include <array>
#include <vector>
#include <functional>
#include <gerbolyze.hpp>
namespace vectorizer {
typedef std::array<double, 2> d2p;
namespace gerbolyze {
enum grid_type {
POISSON_DISC,
@ -47,6 +39,5 @@ std::vector<d2p> *sample_poisson_disc(double w, double h, double center_distance
std::vector<d2p> *sample_hexgrid(double w, double h, double center_distance);
std::vector<d2p> *sample_squaregrid(double w, double h, double center_distance);
} /* namespace vectorizer */
} /* namespace gerbolyze */
#endif /* VEC_GRID_H */

1
upstream/argagg Submodule

@ -0,0 +1 @@
Subproject commit 79e4adfa2c6e2bfbe63da05cc668eb9ad5596748