3a81e6bee4
these regions are grown to anchor the bridge lines to the bottom surface. The grown regions may overlap. In that case the regions are now merged before the bridging direction is calculated for the merged region.
341 lines
12 KiB
C++
341 lines
12 KiB
C++
#include "SVG.hpp"
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#include <iostream>
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#define COORD(x) ((float)unscale((x))*10)
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namespace Slic3r {
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SVG::SVG(const char* filename)
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: arrows(false), fill("grey"), stroke("black"), filename(filename), flipY(false)
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{
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this->f = fopen(filename, "w");
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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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}
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SVG::SVG(const char* filename, const BoundingBox &bbox, const coord_t bbox_offset, bool aflipY)
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: arrows(false), fill("grey"), stroke("black"), filename(filename), origin(bbox.min - Point(bbox_offset, bbox_offset)), flipY(aflipY)
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{
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this->f = fopen(filename, "w");
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float w = COORD(bbox.max.x - bbox.min.x + 2 * bbox_offset);
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float h = COORD(bbox.max.y - bbox.min.y + 2 * bbox_offset);
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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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}
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void
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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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COORD(line.a.x - origin.x), COORD(line.a.y - origin.y), COORD(line.b.x - origin.x), COORD(line.b.y - origin.y), stroke.c_str(), (stroke_width == 0) ? 1.f : 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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Pointf dir(line.b.x-line.a.x, line.b.y-line.a.y);
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Pointf perp(-dir.y, dir.x);
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coordf_t len = sqrt(perp.x*perp.x + perp.y*perp.y);
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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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COORD(line.a.x-da*perp.x-origin.x),
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COORD(line.a.y-da*perp.y-origin.y),
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COORD(line.b.x-db*perp.x-origin.x),
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COORD(line.b.y-db*perp.y-origin.y),
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COORD(line.b.x+db*perp.x-origin.x),
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COORD(line.b.y+db*perp.y-origin.y),
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COORD(line.a.x+da*perp.x-origin.x),
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COORD(line.a.y+da*perp.y-origin.y),
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fill.c_str(), stroke.c_str(),
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(stroke_width == 0) ? 1.f : COORD(stroke_width));
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}
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void
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SVG::draw(const Lines &lines, std::string stroke, coordf_t stroke_width)
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{
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for (Lines::const_iterator it = lines.begin(); it != lines.end(); ++it)
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this->draw(*it, stroke, stroke_width);
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}
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void
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SVG::draw(const IntersectionLines &lines, std::string stroke)
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{
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for (IntersectionLines::const_iterator it = lines.begin(); it != lines.end(); ++it)
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this->draw((Line)*it, stroke);
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}
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void
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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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Polygons pp = expolygon;
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for (Polygons::const_iterator p = pp.begin(); p != pp.end(); ++p) {
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d += this->get_path_d(*p, true) + " ";
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}
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this->path(d, true, 0, fill_opacity);
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}
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void
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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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this->draw(*it, fill);
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}
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void
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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
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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
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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
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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
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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 : COORD(iradius);
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std::ostringstream svg;
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svg << " <circle cx=\"" << COORD(point.x - origin.x) << "\" cy=\"" << COORD(point.y - origin.y)
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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
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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
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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
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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
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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
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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
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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 : 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
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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 << COORD(p->x - origin.x) << " ";
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d << COORD(p->y - origin.y) << " ";
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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
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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 << COORD(scale * p->X - origin.x) << " ";
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d << COORD(scale * p->Y - origin.y) << " ";
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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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void SVG::draw_text(const Point &pt, const char *text, const char *color)
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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=\"20px\" fill=\"%s\">%s</text>",
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COORD(pt.x-origin.x),
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COORD(pt.y-origin.y),
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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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COORD(pt.x-origin.x),
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COORD(pt.y-origin.y),
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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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COORD(pt.x-origin.x) + 20.f,
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COORD(pt.y-origin.y),
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"black", text);
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}
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void
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SVG::Close()
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{
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fprintf(this->f, "</svg>\n");
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fclose(this->f);
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this->f = NULL;
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printf("SVG written to %s\n", this->filename.c_str());
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}
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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)
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{
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SVG svg(path, bbox);
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svg.draw(expolygons);
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svg.draw_outline(expolygons, stroke_outer, stroke_holes, stroke_width);
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svg.Close();
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}
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}
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