773 lines
27 KiB
C++
773 lines
27 KiB
C++
#include "SVG.hpp"
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#include <fstream>
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#include <iostream>
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// #include "pugixml/pugixml.hpp"
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#include <boost/nowide/cstdio.hpp>
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#include "nlohmann/json.hpp"
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namespace Slic3r {
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bool SVG::open(const char* afilename)
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{
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this->filename = afilename;
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this->f = boost::nowide::fopen(afilename, "w");
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if (this->f == NULL)
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return false;
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fprintf(this->f,
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"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"
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"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\" \"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n"
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"<svg height=\"2000\" width=\"2000\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:svg=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n"
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" <marker id=\"endArrow\" markerHeight=\"8\" markerUnits=\"strokeWidth\" markerWidth=\"10\" orient=\"auto\" refX=\"1\" refY=\"5\" viewBox=\"0 0 10 10\">\n"
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" <polyline fill=\"darkblue\" points=\"0,0 10,5 0,10 1,5\" />\n"
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" </marker>\n"
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);
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fprintf(this->f, "<rect fill='white' stroke='none' x='0' y='0' width='%f' height='%f'/>\n", 2000.f, 2000.f);
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return true;
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}
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bool SVG::open(const char* afilename, const BoundingBox &bbox, const coord_t bbox_offset, bool aflipY)
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{
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this->filename = afilename;
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this->origin = bbox.min - Point(bbox_offset, bbox_offset);
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this->flipY = aflipY;
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this->f = boost::nowide::fopen(afilename, "w");
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if (f == NULL)
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return false;
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float w = to_svg_coord(bbox.max(0) - bbox.min(0) + 2 * bbox_offset);
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float h = to_svg_coord(bbox.max(1) - bbox.min(1) + 2 * bbox_offset);
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this->height = h;
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fprintf(this->f,
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"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"
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"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\" \"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n"
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"<svg height=\"%f\" width=\"%f\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:svg=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n"
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" <marker id=\"endArrow\" markerHeight=\"8\" markerUnits=\"strokeWidth\" markerWidth=\"10\" orient=\"auto\" refX=\"1\" refY=\"5\" viewBox=\"0 0 10 10\">\n"
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" <polyline fill=\"darkblue\" points=\"0,0 10,5 0,10 1,5\" />\n"
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" </marker>\n",
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h, w);
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fprintf(this->f, "<rect fill='white' stroke='none' x='0' y='0' width='%f' height='%f'/>\n", w, h);
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return true;
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}
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void SVG::draw(const Line &line, std::string stroke, coordf_t stroke_width)
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{
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fprintf(this->f,
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" <line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\" style=\"stroke: %s; stroke-width: %f\"",
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to_svg_x(line.a(0) - origin(0)), to_svg_y(line.a(1) - origin(1)), to_svg_x(line.b(0) - origin(0)), to_svg_y(line.b(1) - origin(1)), stroke.c_str(), (stroke_width == 0) ? 1.f : to_svg_coord(stroke_width));
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if (this->arrows)
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fprintf(this->f, " marker-end=\"url(#endArrow)\"");
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fprintf(this->f, "/>\n");
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}
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void SVG::draw(const ThickLine &line, const std::string &fill, const std::string &stroke, coordf_t stroke_width)
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{
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Vec2d dir(line.b(0)-line.a(0), line.b(1)-line.a(1));
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Vec2d perp(-dir(1), dir(0));
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coordf_t len = sqrt(perp(0)*perp(0) + perp(1)*perp(1));
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coordf_t da = coordf_t(0.5)*line.a_width/len;
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coordf_t db = coordf_t(0.5)*line.b_width/len;
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fprintf(this->f,
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" <polygon points=\"%f,%f %f,%f %f,%f %f,%f\" style=\"fill:%s; stroke: %s; stroke-width: %f\"/>\n",
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to_svg_x(line.a(0)-da*perp(0)-origin(0)),
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to_svg_y(line.a(1)-da*perp(1)-origin(1)),
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to_svg_x(line.b(0)-db*perp(0)-origin(0)),
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to_svg_y(line.b(1)-db*perp(1)-origin(1)),
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to_svg_x(line.b(0)+db*perp(0)-origin(0)),
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to_svg_y(line.b(1)+db*perp(1)-origin(1)),
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to_svg_x(line.a(0)+da*perp(0)-origin(0)),
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to_svg_y(line.a(1)+da*perp(1)-origin(1)),
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fill.c_str(), stroke.c_str(),
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(stroke_width == 0) ? 1.f : to_svg_coord(stroke_width));
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}
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void SVG::draw(const Lines &lines, std::string stroke, coordf_t stroke_width)
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{
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for (const Line &l : lines)
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this->draw(l, stroke, stroke_width);
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}
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void SVG::draw(const ExPolygon &expolygon, std::string fill, const float fill_opacity)
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{
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this->fill = fill;
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std::string d;
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for (const Polygon &p : to_polygons(expolygon))
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d += this->get_path_d(p, true) + " ";
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this->path(d, true, 0, fill_opacity);
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}
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void SVG::draw_outline(const ExPolygon &expolygon, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
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{
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draw_outline(expolygon.contour, stroke_outer, stroke_width);
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for (Polygons::const_iterator it = expolygon.holes.begin(); it != expolygon.holes.end(); ++ it) {
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draw_outline(*it, stroke_holes, stroke_width);
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}
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}
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void SVG::draw(const ExPolygons &expolygons, std::string fill, const float fill_opacity)
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{
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for (ExPolygons::const_iterator it = expolygons.begin(); it != expolygons.end(); ++it)
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this->draw(*it, fill, fill_opacity);
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}
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void SVG::draw_outline(const ExPolygons &expolygons, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
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{
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for (ExPolygons::const_iterator it = expolygons.begin(); it != expolygons.end(); ++ it)
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draw_outline(*it, stroke_outer, stroke_holes, stroke_width);
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}
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void SVG::draw(const Surface &surface, std::string fill, const float fill_opacity)
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{
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draw(surface.expolygon, fill, fill_opacity);
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}
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void SVG::draw_outline(const Surface &surface, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
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{
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draw_outline(surface.expolygon, stroke_outer, stroke_holes, stroke_width);
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}
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void SVG::draw(const Surfaces &surfaces, std::string fill, const float fill_opacity)
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{
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for (Surfaces::const_iterator it = surfaces.begin(); it != surfaces.end(); ++it)
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this->draw(*it, fill, fill_opacity);
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}
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void SVG::draw_outline(const Surfaces &surfaces, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
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{
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for (Surfaces::const_iterator it = surfaces.begin(); it != surfaces.end(); ++ it)
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draw_outline(*it, stroke_outer, stroke_holes, stroke_width);
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}
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void SVG::draw(const SurfacesPtr &surfaces, std::string fill, const float fill_opacity)
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{
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for (SurfacesPtr::const_iterator it = surfaces.begin(); it != surfaces.end(); ++it)
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this->draw(*(*it), fill, fill_opacity);
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}
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void SVG::draw_outline(const SurfacesPtr &surfaces, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
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{
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for (SurfacesPtr::const_iterator it = surfaces.begin(); it != surfaces.end(); ++ it)
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draw_outline(*(*it), stroke_outer, stroke_holes, stroke_width);
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}
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void SVG::draw(const Polygon &polygon, std::string fill)
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{
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this->fill = fill;
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this->path(this->get_path_d(polygon, true), !fill.empty(), 0, 1.f);
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}
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void SVG::draw(const Polygons &polygons, std::string fill)
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{
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for (Polygons::const_iterator it = polygons.begin(); it != polygons.end(); ++it) {
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// BBS
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if (it->is_counter_clockwise())
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this->draw(*it, fill);
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else
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this->draw(*it, "white");
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}
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}
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void SVG::draw(const Polyline &polyline, std::string stroke, coordf_t stroke_width)
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{
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this->stroke = stroke;
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this->path(this->get_path_d(polyline, false), false, stroke_width, 1.f);
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}
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void SVG::draw(const Polylines &polylines, std::string stroke, coordf_t stroke_width)
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{
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for (Polylines::const_iterator it = polylines.begin(); it != polylines.end(); ++it)
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this->draw(*it, stroke, stroke_width);
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}
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void SVG::draw(const ThickLines &thicklines, const std::string &fill, const std::string &stroke, coordf_t stroke_width)
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{
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for (ThickLines::const_iterator it = thicklines.begin(); it != thicklines.end(); ++it)
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this->draw(*it, fill, stroke, stroke_width);
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}
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void SVG::draw(const ThickPolylines &polylines, const std::string &stroke, coordf_t stroke_width)
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{
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for (ThickPolylines::const_iterator it = polylines.begin(); it != polylines.end(); ++it)
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this->draw((Polyline)*it, stroke, stroke_width);
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}
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void SVG::draw(const ThickPolylines &thickpolylines, const std::string &fill, const std::string &stroke, coordf_t stroke_width)
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{
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for (ThickPolylines::const_iterator it = thickpolylines.begin(); it != thickpolylines.end(); ++ it)
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draw(it->thicklines(), fill, stroke, stroke_width);
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}
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void SVG::draw(const Point &point, std::string fill, coord_t iradius)
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{
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float radius = (iradius == 0) ? 3.f : to_svg_coord(iradius);
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std::ostringstream svg;
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svg << " <circle cx=\"" << to_svg_x(point(0) - origin(0)) << "\" cy=\"" << to_svg_y(point(1) - origin(1))
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<< "\" r=\"" << radius << "\" "
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<< "style=\"stroke: none; fill: " << fill << "\" />";
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fprintf(this->f, "%s\n", svg.str().c_str());
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}
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void SVG::draw(const Points &points, std::string fill, coord_t radius)
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{
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for (Points::const_iterator it = points.begin(); it != points.end(); ++it)
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this->draw(*it, fill, radius);
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}
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void SVG::draw(const ClipperLib::Path &polygon, double scale, std::string stroke, coordf_t stroke_width)
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{
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this->stroke = stroke;
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this->path(this->get_path_d(polygon, scale, true), false, stroke_width, 1.f);
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}
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void SVG::draw(const ClipperLib::Paths &polygons, double scale, std::string stroke, coordf_t stroke_width)
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{
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for (ClipperLib::Paths::const_iterator it = polygons.begin(); it != polygons.end(); ++ it)
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draw(*it, scale, stroke, stroke_width);
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}
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void SVG::draw_outline(const Polygon &polygon, std::string stroke, coordf_t stroke_width)
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{
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this->stroke = stroke;
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this->path(this->get_path_d(polygon, true), false, stroke_width, 1.f);
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}
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void SVG::draw_outline(const Polygons &polygons, std::string stroke, coordf_t stroke_width)
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{
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for (Polygons::const_iterator it = polygons.begin(); it != polygons.end(); ++ it)
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draw_outline(*it, stroke, stroke_width);
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}
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void SVG::path(const std::string &d, bool fill, coordf_t stroke_width, const float fill_opacity)
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{
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float lineWidth = 0.f;
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if (! fill)
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lineWidth = (stroke_width == 0) ? 2.f : to_svg_coord(stroke_width);
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fprintf(
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this->f,
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" <path d=\"%s\" style=\"fill: %s; stroke: %s; stroke-width: %f; fill-type: evenodd\" %s fill-opacity=\"%f\" />\n",
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d.c_str(),
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fill ? this->fill.c_str() : "none",
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this->stroke.c_str(),
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lineWidth,
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(this->arrows && !fill) ? " marker-end=\"url(#endArrow)\"" : "",
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fill_opacity
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);
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}
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std::string SVG::get_path_d(const MultiPoint &mp, bool closed) const
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{
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std::ostringstream d;
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d << "M ";
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for (Points::const_iterator p = mp.points.begin(); p != mp.points.end(); ++p) {
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d << to_svg_x((*p)(0) - origin(0)) << " ";
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d << to_svg_y((*p)(1) - origin(1)) << " ";
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}
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if (closed) d << "z";
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return d.str();
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}
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std::string SVG::get_path_d(const ClipperLib::Path &path, double scale, bool closed) const
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{
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std::ostringstream d;
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d << "M ";
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for (ClipperLib::Path::const_iterator p = path.begin(); p != path.end(); ++p) {
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d << to_svg_x(scale * p->x() - origin(0)) << " ";
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d << to_svg_y(scale * p->y() - origin(1)) << " ";
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}
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if (closed) d << "z";
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return d.str();
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}
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// font_size: font-size={font_size*10}px
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void SVG::draw_text(const Point &pt, const char *text, const char *color, int font_size)
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{
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fprintf(this->f,
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"<text x=\"%f\" y=\"%f\" font-family=\"sans-serif\" font-size=\"%dpx\" fill=\"%s\">%s</text>",
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to_svg_x(pt(0)-origin(0)),
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to_svg_y(pt(1)-origin(1)),
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font_size*10, color, text);
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}
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void SVG::draw_legend(const Point &pt, const char *text, const char *color)
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{
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fprintf(this->f,
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"<circle cx=\"%f\" cy=\"%f\" r=\"10\" fill=\"%s\"/>",
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to_svg_x(pt(0)-origin(0)),
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to_svg_y(pt(1)-origin(1)),
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color);
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fprintf(this->f,
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"<text x=\"%f\" y=\"%f\" font-family=\"sans-serif\" font-size=\"10px\" fill=\"%s\">%s</text>",
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to_svg_x(pt(0)-origin(0)) + 20.f,
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to_svg_y(pt(1)-origin(1)),
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"black", text);
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}
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//BBS
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void SVG::draw_grid(const BoundingBox& bbox, const std::string& stroke, coordf_t stroke_width, coordf_t step)
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{
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// draw grid
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Point bbox_size = bbox.size();
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if (bbox_size(0) < step || bbox_size(1) < step)
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return;
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Point start_pt(bbox.min(0), bbox.min(1));
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Point end_pt(bbox.max(1), bbox.min(1));
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for (coordf_t y = bbox.min(1); y <= bbox.max(1); y += step) {
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start_pt(1) = y;
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end_pt(1) = y;
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draw(Line(start_pt, end_pt), stroke, stroke_width);
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}
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start_pt(1) = bbox.min(1);
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end_pt(1) = bbox.max(1);
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for (coordf_t x = bbox.min(0); x <= bbox.max(0); x += step) {
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start_pt(0) = x;
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end_pt(0) = x;
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draw(Line(start_pt, end_pt), stroke, stroke_width);
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}
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}
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void SVG::add_comment(const std::string comment)
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{
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fprintf(this->f, "<!-- %s -->\n", comment.c_str());
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}
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// Function to parse the SVG path data
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Points ParseSVGPath(const std::string &pathData)
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{
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Points points;
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Vec2d currentPoint = {0, 0};
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char command = 0;
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std::istringstream stream(pathData);
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while (stream) {
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// Read the command or continue with the previous command
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if (!std::isdigit(stream.peek()) && stream.peek() != '-' && stream.peek() != '.') { stream >> command; }
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if (command == 'M' || command == 'm') { // Move to
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double x, y;
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stream >> x;
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stream.ignore(1, ','); // Skip the comma, if present
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stream >> y;
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if (command == 'm') { // Relative
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currentPoint.x() += x;
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currentPoint.y() += y;
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} else { // Absolute
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currentPoint.x() = x;
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currentPoint.y() = y;
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}
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points.push_back(scaled<coord_t>(currentPoint));
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} else if (command == 'L' || command == 'l') { // Line to
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double x, y;
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stream >> x;
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stream.ignore(1, ','); // Skip the comma, if present
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stream >> y;
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if (command == 'l') { // Relative
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currentPoint.x() += x;
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currentPoint.y() += y;
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} else { // Absolute
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currentPoint.x() = x;
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currentPoint.y() = y;
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}
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points.push_back(scaled<coord_t>(currentPoint));
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} else if (command == 'Z' || command == 'z') { // Close path
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if (!points.empty()) {
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points.push_back(points.front()); // Close the polygon by returning to the start
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}
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} else if (command == 'H' || command == 'h') { // Horizontal line
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double x;
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stream >> x;
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if (command == 'h') { // Relative
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currentPoint.x() += x;
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} else { // Absolute
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currentPoint.x() = x;
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}
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points.push_back(scaled<coord_t>(currentPoint));
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} else if (command == 'V' || command == 'v') { // Vertical line
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double y;
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stream >> y;
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if (command == 'v') { // Relative
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currentPoint.y() += y;
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} else { // Absolute
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currentPoint.y() = y;
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}
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points.push_back(scaled<coord_t>(currentPoint));
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} else if (command == 'z') {
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if (!points.empty()) {
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points.push_back(points.front()); // Close path
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}
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} else {
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stream.ignore(1); // Skip invalid commands or extra spaces
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}
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}
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return points;
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}
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// Convert SVG path to ExPolygon
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ExPolygon ConvertToExPolygon(const std::vector<std::string> &svgPaths)
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{
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ExPolygon exPolygon;
|
|
|
|
for (const auto &pathData : svgPaths) {
|
|
auto points = ParseSVGPath(pathData);
|
|
if (exPolygon.contour.empty()) {
|
|
exPolygon.contour.points = points; // First path is outer
|
|
} else {
|
|
exPolygon.holes.emplace_back(points); // Subsequent paths are holes
|
|
}
|
|
}
|
|
|
|
return exPolygon;
|
|
}
|
|
|
|
// Function to load SVG and convert paths to ExPolygons
|
|
std::vector<ExPolygon> SVG::load(const std::string &svgFilePath)
|
|
{
|
|
std::vector<ExPolygon> polygons;
|
|
/* pugi::xml_document doc;
|
|
pugi::xml_parse_result result = doc.load_file(svgFilePath.c_str());
|
|
if (!result) {
|
|
std::cerr << "Failed to load SVG file: " << result.description() << "\n";
|
|
return polygons;
|
|
}
|
|
|
|
|
|
// Find the root <svg> element
|
|
pugi::xml_node svgNode = doc.child("svg");
|
|
if (!svgNode) {
|
|
std::cerr << "No <svg> element found in file.\n";
|
|
return polygons;
|
|
}
|
|
|
|
// Iterate over <path> elements
|
|
for (pugi::xml_node pathNode : svgNode.children("path")) {
|
|
const char *pathData = pathNode.attribute("d").value();
|
|
if (pathData) {
|
|
std::vector<std::string> paths = {std::string(pathData)}; // For simplicity, assuming one path per element. You could extract more complex paths if necessary.
|
|
ExPolygon exPolygon = ConvertToExPolygon(paths);
|
|
polygons.push_back(exPolygon);
|
|
}
|
|
}
|
|
*/
|
|
return polygons;
|
|
}
|
|
|
|
|
|
void SVG::Close()
|
|
{
|
|
fprintf(this->f, "</svg>\n");
|
|
fclose(this->f);
|
|
this->f = NULL;
|
|
// printf("SVG written to %s\n", this->filename.c_str());
|
|
}
|
|
|
|
void SVG::export_expolygons(const char *path, const BoundingBox &bbox, const Slic3r::ExPolygons &expolygons, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
|
|
{
|
|
SVG svg(path, bbox);
|
|
svg.draw(expolygons);
|
|
svg.draw_outline(expolygons, stroke_outer, stroke_holes, stroke_width);
|
|
svg.Close();
|
|
}
|
|
|
|
// Paint the expolygons in the order they are presented, thus the latter overwrites the former expolygon.
|
|
// 1) Paint all areas with the provided ExPolygonAttributes::color_fill and ExPolygonAttributes::fill_opacity.
|
|
// 2) Optionally paint outlines of the areas if ExPolygonAttributes::outline_width > 0.
|
|
// Paint with ExPolygonAttributes::color_contour and ExPolygonAttributes::color_holes.
|
|
// If color_contour is empty, color_fill is used. If color_hole is empty, color_contour is used.
|
|
// 3) Optionally paint points of all expolygon contours with ExPolygonAttributes::radius_points if radius_points > 0.
|
|
// 4) Paint ExPolygonAttributes::legend into legend using the ExPolygonAttributes::color_fill if legend is not empty.
|
|
void SVG::export_expolygons(const char *path, const std::vector<std::pair<Slic3r::ExPolygons, ExPolygonAttributes>> &expolygons_with_attributes)
|
|
{
|
|
if (expolygons_with_attributes.empty())
|
|
return;
|
|
|
|
size_t num_legend = std::count_if(expolygons_with_attributes.begin(), expolygons_with_attributes.end(), [](const auto &v){ return ! v.second.legend.empty(); });
|
|
// Format in num_columns.
|
|
size_t num_columns = 3;
|
|
// Width of the column.
|
|
coord_t step_x = scale_(20.);
|
|
Point legend_size(scale_(1.) + num_columns * step_x, scale_(0.4 + 1.3 * (num_legend + num_columns - 1) / num_columns));
|
|
|
|
BoundingBox bbox = get_extents(expolygons_with_attributes.front().first);
|
|
for (size_t i = 0; i < expolygons_with_attributes.size(); ++ i)
|
|
bbox.merge(get_extents(expolygons_with_attributes[i].first));
|
|
// Legend y.
|
|
coord_t pos_y = bbox.max.y() + scale_(1.5);
|
|
bbox.merge(Point(std::max(bbox.min.x() + legend_size.x(), bbox.max.x()), bbox.max.y() + legend_size.y()));
|
|
|
|
SVG svg(path, bbox);
|
|
for (const auto &exp_with_attr : expolygons_with_attributes)
|
|
svg.draw(exp_with_attr.first, exp_with_attr.second.color_fill, exp_with_attr.second.fill_opacity);
|
|
for (const auto &exp_with_attr : expolygons_with_attributes) {
|
|
if (exp_with_attr.second.outline_width > 0) {
|
|
std::string color_contour = exp_with_attr.second.color_contour;
|
|
if (color_contour.empty())
|
|
color_contour = exp_with_attr.second.color_fill;
|
|
std::string color_holes = exp_with_attr.second.color_holes;
|
|
if (color_holes.empty())
|
|
color_holes = color_contour;
|
|
svg.draw_outline(exp_with_attr.first, color_contour, color_holes, exp_with_attr.second.outline_width);
|
|
}
|
|
}
|
|
for (const auto &exp_with_attr : expolygons_with_attributes)
|
|
if (exp_with_attr.second.radius_points > 0)
|
|
for (const ExPolygon &expoly : exp_with_attr.first)
|
|
svg.draw(to_points(expoly), exp_with_attr.second.color_points, exp_with_attr.second.radius_points);
|
|
|
|
// Export legend.
|
|
// 1st row
|
|
coord_t pos_x0 = bbox.min.x() + scale_(1.);
|
|
coord_t pos_x = pos_x0;
|
|
size_t i_legend = 0;
|
|
for (const auto &exp_with_attr : expolygons_with_attributes) {
|
|
if (! exp_with_attr.second.legend.empty()) {
|
|
svg.draw_legend(Point(pos_x, pos_y), exp_with_attr.second.legend.c_str(), exp_with_attr.second.color_fill.c_str());
|
|
if ((++ i_legend) % num_columns == 0) {
|
|
pos_x = pos_x0;
|
|
pos_y += scale_(1.3);
|
|
} else {
|
|
pos_x += step_x;
|
|
}
|
|
}
|
|
}
|
|
svg.Close();
|
|
}
|
|
|
|
|
|
// JSON serialization for Point using compact format [x, y]
|
|
void to_json(nlohmann::json &j, const Point &p) { j = nlohmann::json{p.x(), p.y()}; }
|
|
|
|
void from_json(const nlohmann::json &j, Point &p)
|
|
{
|
|
if (j.is_array() && j.size() == 2) {
|
|
p.x() = j[0].get<coord_t>();
|
|
p.y() = j[1].get<coord_t>();
|
|
} else {
|
|
throw std::runtime_error("Invalid Point JSON format. Expected [x, y].");
|
|
}
|
|
}
|
|
|
|
// Serialization for Polygon
|
|
void to_json(nlohmann::json &j, const Polygon &polygon)
|
|
{
|
|
j = nlohmann::json::array();
|
|
for (const auto &point : polygon.points) {
|
|
j.push_back(point); // Push each point (serialized as [x, y])
|
|
}
|
|
}
|
|
|
|
void from_json(const nlohmann::json &j, Polygon &polygon)
|
|
{
|
|
if (j.is_array()) {
|
|
polygon.clear();
|
|
for (const auto &item : j) { polygon.append(item.get<Point>()); }
|
|
} else {
|
|
throw std::runtime_error("Invalid Polygon JSON format. Expected array of points.");
|
|
}
|
|
}
|
|
|
|
|
|
// Serialization for ExPolygon
|
|
void to_json(nlohmann::json &j, const ExPolygon &exPolygon) {
|
|
j = nlohmann::json{{"contour", exPolygon.contour}, {"holes", exPolygon.holes}};
|
|
}
|
|
|
|
void from_json(const nlohmann::json &j, ExPolygon &exPolygon)
|
|
{
|
|
if (j.contains("contour")) {
|
|
j.at("contour").get_to(exPolygon.contour);
|
|
if (j.contains("holes")) {
|
|
j.at("holes").get_to(exPolygon.holes);
|
|
}
|
|
} else {
|
|
throw std::runtime_error("Invalid ExPolygon JSON format. Missing 'contour' or 'holes'.");
|
|
}
|
|
}
|
|
|
|
// Serialization for ExPolygons
|
|
void to_json(nlohmann::json &j, const std::vector<ExPolygon> &exPolygons)
|
|
{
|
|
j = nlohmann::json::array();
|
|
for (const auto &exPolygon : exPolygons) {
|
|
j.push_back(exPolygon); // Serialize each ExPolygon
|
|
}
|
|
}
|
|
|
|
void from_json(const nlohmann::json& j, std::vector<ExPolygon>& exPolygons)
|
|
{
|
|
if (j.is_array()) {
|
|
exPolygons.clear();
|
|
for (const auto& item : j) {
|
|
exPolygons.push_back(item.get<ExPolygon>());
|
|
}
|
|
}
|
|
else {
|
|
throw std::runtime_error("Invalid ExPolygons JSON format. Expected array of ExPolygons.");
|
|
}
|
|
}
|
|
|
|
// Function to dump ExPolygons to JSON
|
|
void dumpExPolygonToJson(const ExPolygon &exPolygon, const std::string &filePath)
|
|
{
|
|
nlohmann::json j = exPolygon;
|
|
|
|
// Write JSON to a file
|
|
std::ofstream file(filePath);
|
|
if (!file) {
|
|
std::cerr << "Error: Cannot open file for writing: " << filePath << "\n";
|
|
return;
|
|
}
|
|
file << j.dump(4); // Pretty print with 4 spaces of indentation
|
|
file.close();
|
|
|
|
std::cout << "ExPolygons dumped to " << filePath << "\n";
|
|
}
|
|
|
|
// Function to dump ExPolygons to JSON
|
|
void dumpExPolygonsToJson(const std::vector<ExPolygon> &exPolygons, const std::string &filePath)
|
|
{
|
|
nlohmann::json j = exPolygons;
|
|
|
|
// Write JSON to a file
|
|
std::ofstream file(filePath);
|
|
if (!file) {
|
|
std::cerr << "Error: Cannot open file for writing: " << filePath << "\n";
|
|
return;
|
|
}
|
|
file << j.dump(4); // Pretty print with 4 spaces of indentation
|
|
file.close();
|
|
|
|
std::cout << "ExPolygons dumped to " << filePath << "\n";
|
|
}
|
|
|
|
// Function to load ExPolygons from JSON
|
|
std::vector<ExPolygon> loadExPolygonsFromJson(const std::string &filePath)
|
|
{
|
|
std::vector<ExPolygon> exPolygons;
|
|
|
|
std::ifstream file(filePath);
|
|
if (!file) {
|
|
std::cerr << "Error: Cannot open file for reading: " << filePath << "\n";
|
|
return exPolygons;
|
|
}
|
|
|
|
std::stringstream buffer;
|
|
buffer << file.rdbuf();
|
|
std::string content = buffer.str(); // Read entire file into string
|
|
|
|
nlohmann::json j;
|
|
try {
|
|
j = nlohmann::json::parse(content);
|
|
//file >> j; // Parse JSON from file
|
|
} catch (const nlohmann::json::parse_error &e) {
|
|
std::cerr << "JSON parsing error: " << e.what() << std::endl;
|
|
return exPolygons; // Return empty vector on failure
|
|
}
|
|
catch (const std::exception& e) {
|
|
std::cerr << "Error: " << e.what() << "\n";
|
|
file.close();
|
|
return exPolygons;
|
|
}
|
|
file.close();
|
|
|
|
// Deserialize JSON to std::vector<ExPolygon>
|
|
//exPolygons = j.get<std::vector<ExPolygon>>();
|
|
if (j.is_array()) {
|
|
for (const auto& item : j) {
|
|
exPolygons.push_back(item.get<ExPolygon>());
|
|
}
|
|
} else if (j.is_object()) {
|
|
exPolygons.push_back(j.get<ExPolygon>());
|
|
}
|
|
else {
|
|
throw std::runtime_error("Invalid ExPolygons JSON format. Expected array of ExPolygons.");
|
|
}
|
|
|
|
return exPolygons;
|
|
}
|
|
|
|
// Save ExPolygons to a file
|
|
void dumpExPolygonsToTxt(const std::vector<ExPolygon> &exPolygons, const std::string &filePath)
|
|
{
|
|
std::ofstream file(filePath);
|
|
if (!file) {
|
|
std::cerr << "Error: Cannot open file for writing: " << filePath << std::endl;
|
|
return;
|
|
}
|
|
|
|
for (size_t i = 0; i < exPolygons.size(); ++i) {
|
|
const auto &exPolygon = exPolygons[i];
|
|
file << "# ExPolygon " << i + 1 << "\n";
|
|
|
|
// Save the outer contour
|
|
file << "contour:";
|
|
for (const auto &point : exPolygon.contour) { file << " " << point.x() << " " << point.y(); }
|
|
file << "\n";
|
|
|
|
// Save the holes
|
|
for (const auto &hole : exPolygon.holes) {
|
|
file << "hole:";
|
|
for (const auto &point : hole) { file << " " << point.x() << " " << point.y(); }
|
|
file << "\n";
|
|
}
|
|
}
|
|
|
|
file.close();
|
|
std::cout << "ExPolygons saved to " << filePath << std::endl;
|
|
}
|
|
|
|
// Load ExPolygons from a file
|
|
std::vector<ExPolygon> loadExPolygonsFromTxt(const std::string &filePath)
|
|
{
|
|
std::vector<ExPolygon> exPolygons;
|
|
|
|
std::ifstream file(filePath);
|
|
if (!file) {
|
|
std::cerr << "Error: Cannot open file for reading: " << filePath << std::endl;
|
|
return exPolygons;
|
|
}
|
|
|
|
std::string line;
|
|
ExPolygon currentPolygon;
|
|
while (std::getline(file, line)) {
|
|
if (line.empty() || line[0] == '#') {
|
|
// Start of a new polygon
|
|
if (!currentPolygon.contour.empty() || !currentPolygon.holes.empty()) {
|
|
exPolygons.push_back(currentPolygon);
|
|
currentPolygon = ExPolygon();
|
|
}
|
|
continue;
|
|
}
|
|
|
|
std::istringstream stream(line);
|
|
std::string keyword;
|
|
stream >> keyword;
|
|
|
|
if (keyword == "contour:") {
|
|
currentPolygon.contour.clear();
|
|
coord_t x, y;
|
|
while (stream >> x >> y) { currentPolygon.contour.append({x, y}); }
|
|
} else if (keyword == "hole:") {
|
|
Polygon hole;
|
|
coord_t x, y;
|
|
while (stream >> x >> y) { hole.append({x, y}); }
|
|
currentPolygon.holes.push_back(hole);
|
|
}
|
|
}
|
|
|
|
// Add the last polygon if any
|
|
if (!currentPolygon.contour.empty() || !currentPolygon.holes.empty()) { exPolygons.push_back(currentPolygon); }
|
|
|
|
file.close();
|
|
std::cout << "Loaded " << exPolygons.size() << " ExPolygons from " << filePath << std::endl;
|
|
return exPolygons;
|
|
}
|
|
|
|
}
|