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path: root/src/libslic3r/SVG.cpp
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-rw-r--r--src/libslic3r/SVG.cpp374
1 files changed, 374 insertions, 0 deletions
diff --git a/src/libslic3r/SVG.cpp b/src/libslic3r/SVG.cpp
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index 000000000..03f55802e
--- /dev/null
+++ b/src/libslic3r/SVG.cpp
@@ -0,0 +1,374 @@
+#include "SVG.hpp"
+#include <iostream>
+
+#include <boost/nowide/cstdio.hpp>
+
+#define COORD(x) (unscale<float>((x))*10)
+
+namespace Slic3r {
+
+bool SVG::open(const char* afilename)
+{
+ this->filename = afilename;
+ this->f = boost::nowide::fopen(afilename, "w");
+ if (this->f == NULL)
+ return false;
+ fprintf(this->f,
+ "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\" \"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n"
+ "<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"
+ " <marker id=\"endArrow\" markerHeight=\"8\" markerUnits=\"strokeWidth\" markerWidth=\"10\" orient=\"auto\" refX=\"1\" refY=\"5\" viewBox=\"0 0 10 10\">\n"
+ " <polyline fill=\"darkblue\" points=\"0,0 10,5 0,10 1,5\" />\n"
+ " </marker>\n"
+ );
+ return true;
+}
+
+bool SVG::open(const char* afilename, const BoundingBox &bbox, const coord_t bbox_offset, bool aflipY)
+{
+ this->filename = afilename;
+ this->origin = bbox.min - Point(bbox_offset, bbox_offset);
+ this->flipY = aflipY;
+ this->f = boost::nowide::fopen(afilename, "w");
+ if (f == NULL)
+ return false;
+ float w = COORD(bbox.max(0) - bbox.min(0) + 2 * bbox_offset);
+ float h = COORD(bbox.max(1) - bbox.min(1) + 2 * bbox_offset);
+ fprintf(this->f,
+ "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\" \"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n"
+ "<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"
+ " <marker id=\"endArrow\" markerHeight=\"8\" markerUnits=\"strokeWidth\" markerWidth=\"10\" orient=\"auto\" refX=\"1\" refY=\"5\" viewBox=\"0 0 10 10\">\n"
+ " <polyline fill=\"darkblue\" points=\"0,0 10,5 0,10 1,5\" />\n"
+ " </marker>\n",
+ h, w);
+ return true;
+}
+
+void
+SVG::draw(const Line &line, std::string stroke, coordf_t stroke_width)
+{
+ fprintf(this->f,
+ " <line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\" style=\"stroke: %s; stroke-width: %f\"",
+ COORD(line.a(0) - origin(0)), COORD(line.a(1) - origin(1)), COORD(line.b(0) - origin(0)), COORD(line.b(1) - origin(1)), stroke.c_str(), (stroke_width == 0) ? 1.f : COORD(stroke_width));
+ if (this->arrows)
+ fprintf(this->f, " marker-end=\"url(#endArrow)\"");
+ fprintf(this->f, "/>\n");
+}
+
+void SVG::draw(const ThickLine &line, const std::string &fill, const std::string &stroke, coordf_t stroke_width)
+{
+ Vec2d dir(line.b(0)-line.a(0), line.b(1)-line.a(1));
+ Vec2d perp(-dir(1), dir(0));
+ coordf_t len = sqrt(perp(0)*perp(0) + perp(1)*perp(1));
+ coordf_t da = coordf_t(0.5)*line.a_width/len;
+ coordf_t db = coordf_t(0.5)*line.b_width/len;
+ fprintf(this->f,
+ " <polygon points=\"%f,%f %f,%f %f,%f %f,%f\" style=\"fill:%s; stroke: %s; stroke-width: %f\"/>\n",
+ COORD(line.a(0)-da*perp(0)-origin(0)),
+ COORD(line.a(1)-da*perp(1)-origin(1)),
+ COORD(line.b(0)-db*perp(0)-origin(0)),
+ COORD(line.b(1)-db*perp(1)-origin(1)),
+ COORD(line.b(0)+db*perp(0)-origin(0)),
+ COORD(line.b(1)+db*perp(1)-origin(1)),
+ COORD(line.a(0)+da*perp(0)-origin(0)),
+ COORD(line.a(1)+da*perp(1)-origin(1)),
+ fill.c_str(), stroke.c_str(),
+ (stroke_width == 0) ? 1.f : COORD(stroke_width));
+}
+
+void
+SVG::draw(const Lines &lines, std::string stroke, coordf_t stroke_width)
+{
+ for (Lines::const_iterator it = lines.begin(); it != lines.end(); ++it)
+ this->draw(*it, stroke, stroke_width);
+}
+
+void
+SVG::draw(const IntersectionLines &lines, std::string stroke)
+{
+ for (IntersectionLines::const_iterator it = lines.begin(); it != lines.end(); ++it)
+ this->draw((Line)*it, stroke);
+}
+
+void
+SVG::draw(const ExPolygon &expolygon, std::string fill, const float fill_opacity)
+{
+ this->fill = fill;
+
+ std::string d;
+ Polygons pp = expolygon;
+ for (Polygons::const_iterator p = pp.begin(); p != pp.end(); ++p) {
+ d += this->get_path_d(*p, true) + " ";
+ }
+ this->path(d, true, 0, fill_opacity);
+}
+
+void
+SVG::draw_outline(const ExPolygon &expolygon, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
+{
+ draw_outline(expolygon.contour, stroke_outer, stroke_width);
+ for (Polygons::const_iterator it = expolygon.holes.begin(); it != expolygon.holes.end(); ++ it) {
+ draw_outline(*it, stroke_holes, stroke_width);
+ }
+}
+
+void
+SVG::draw(const ExPolygons &expolygons, std::string fill, const float fill_opacity)
+{
+ for (ExPolygons::const_iterator it = expolygons.begin(); it != expolygons.end(); ++it)
+ this->draw(*it, fill, fill_opacity);
+}
+
+void
+SVG::draw_outline(const ExPolygons &expolygons, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
+{
+ for (ExPolygons::const_iterator it = expolygons.begin(); it != expolygons.end(); ++ it)
+ draw_outline(*it, stroke_outer, stroke_holes, stroke_width);
+}
+
+void
+SVG::draw(const Surface &surface, std::string fill, const float fill_opacity)
+{
+ draw(surface.expolygon, fill, fill_opacity);
+}
+
+void
+SVG::draw_outline(const Surface &surface, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
+{
+ draw_outline(surface.expolygon, stroke_outer, stroke_holes, stroke_width);
+}
+
+void
+SVG::draw(const Surfaces &surfaces, std::string fill, const float fill_opacity)
+{
+ for (Surfaces::const_iterator it = surfaces.begin(); it != surfaces.end(); ++it)
+ this->draw(*it, fill, fill_opacity);
+}
+
+void
+SVG::draw_outline(const Surfaces &surfaces, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
+{
+ for (Surfaces::const_iterator it = surfaces.begin(); it != surfaces.end(); ++ it)
+ draw_outline(*it, stroke_outer, stroke_holes, stroke_width);
+}
+
+void
+SVG::draw(const SurfacesPtr &surfaces, std::string fill, const float fill_opacity)
+{
+ for (SurfacesPtr::const_iterator it = surfaces.begin(); it != surfaces.end(); ++it)
+ this->draw(*(*it), fill, fill_opacity);
+}
+
+void
+SVG::draw_outline(const SurfacesPtr &surfaces, std::string stroke_outer, std::string stroke_holes, coordf_t stroke_width)
+{
+ for (SurfacesPtr::const_iterator it = surfaces.begin(); it != surfaces.end(); ++ it)
+ draw_outline(*(*it), stroke_outer, stroke_holes, stroke_width);
+}
+
+void
+SVG::draw(const Polygon &polygon, std::string fill)
+{
+ this->fill = fill;
+ this->path(this->get_path_d(polygon, true), !fill.empty(), 0, 1.f);
+}
+
+void
+SVG::draw(const Polygons &polygons, std::string fill)
+{
+ for (Polygons::const_iterator it = polygons.begin(); it != polygons.end(); ++it)
+ this->draw(*it, fill);
+}
+
+void
+SVG::draw(const Polyline &polyline, std::string stroke, coordf_t stroke_width)
+{
+ this->stroke = stroke;
+ this->path(this->get_path_d(polyline, false), false, stroke_width, 1.f);
+}
+
+void
+SVG::draw(const Polylines &polylines, std::string stroke, coordf_t stroke_width)
+{
+ for (Polylines::const_iterator it = polylines.begin(); it != polylines.end(); ++it)
+ this->draw(*it, stroke, stroke_width);
+}
+
+void SVG::draw(const ThickLines &thicklines, const std::string &fill, const std::string &stroke, coordf_t stroke_width)
+{
+ for (ThickLines::const_iterator it = thicklines.begin(); it != thicklines.end(); ++it)
+ this->draw(*it, fill, stroke, stroke_width);
+}
+
+void
+SVG::draw(const ThickPolylines &polylines, const std::string &stroke, coordf_t stroke_width)
+{
+ for (ThickPolylines::const_iterator it = polylines.begin(); it != polylines.end(); ++it)
+ this->draw((Polyline)*it, stroke, stroke_width);
+}
+
+void
+SVG::draw(const ThickPolylines &thickpolylines, const std::string &fill, const std::string &stroke, coordf_t stroke_width)
+{
+ for (ThickPolylines::const_iterator it = thickpolylines.begin(); it != thickpolylines.end(); ++ it)
+ draw(it->thicklines(), fill, stroke, stroke_width);
+}
+
+void
+SVG::draw(const Point &point, std::string fill, coord_t iradius)
+{
+ float radius = (iradius == 0) ? 3.f : COORD(iradius);
+ std::ostringstream svg;
+ svg << " <circle cx=\"" << COORD(point(0) - origin(0)) << "\" cy=\"" << COORD(point(1) - origin(1))
+ << "\" r=\"" << radius << "\" "
+ << "style=\"stroke: none; fill: " << fill << "\" />";
+
+ fprintf(this->f, "%s\n", svg.str().c_str());
+}
+
+void
+SVG::draw(const Points &points, std::string fill, coord_t radius)
+{
+ for (Points::const_iterator it = points.begin(); it != points.end(); ++it)
+ this->draw(*it, fill, radius);
+}
+
+void
+SVG::draw(const ClipperLib::Path &polygon, double scale, std::string stroke, coordf_t stroke_width)
+{
+ this->stroke = stroke;
+ this->path(this->get_path_d(polygon, scale, true), false, stroke_width, 1.f);
+}
+
+void
+SVG::draw(const ClipperLib::Paths &polygons, double scale, std::string stroke, coordf_t stroke_width)
+{
+ for (ClipperLib::Paths::const_iterator it = polygons.begin(); it != polygons.end(); ++ it)
+ draw(*it, scale, stroke, stroke_width);
+}
+
+void
+SVG::draw_outline(const Polygon &polygon, std::string stroke, coordf_t stroke_width)
+{
+ this->stroke = stroke;
+ this->path(this->get_path_d(polygon, true), false, stroke_width, 1.f);
+}
+
+void
+SVG::draw_outline(const Polygons &polygons, std::string stroke, coordf_t stroke_width)
+{
+ for (Polygons::const_iterator it = polygons.begin(); it != polygons.end(); ++ it)
+ draw_outline(*it, stroke, stroke_width);
+}
+
+void
+SVG::path(const std::string &d, bool fill, coordf_t stroke_width, const float fill_opacity)
+{
+ float lineWidth = 0.f;
+ if (! fill)
+ lineWidth = (stroke_width == 0) ? 2.f : COORD(stroke_width);
+
+ fprintf(
+ this->f,
+ " <path d=\"%s\" style=\"fill: %s; stroke: %s; stroke-width: %f; fill-type: evenodd\" %s fill-opacity=\"%f\" />\n",
+ d.c_str(),
+ fill ? this->fill.c_str() : "none",
+ this->stroke.c_str(),
+ lineWidth,
+ (this->arrows && !fill) ? " marker-end=\"url(#endArrow)\"" : "",
+ fill_opacity
+ );
+}
+
+std::string
+SVG::get_path_d(const MultiPoint &mp, bool closed) const
+{
+ std::ostringstream d;
+ d << "M ";
+ for (Points::const_iterator p = mp.points.begin(); p != mp.points.end(); ++p) {
+ d << COORD((*p)(0) - origin(0)) << " ";
+ d << COORD((*p)(1) - origin(1)) << " ";
+ }
+ if (closed) d << "z";
+ return d.str();
+}
+
+std::string
+SVG::get_path_d(const ClipperLib::Path &path, double scale, bool closed) const
+{
+ std::ostringstream d;
+ d << "M ";
+ for (ClipperLib::Path::const_iterator p = path.begin(); p != path.end(); ++p) {
+ d << COORD(scale * p->X - origin(0)) << " ";
+ d << COORD(scale * p->Y - origin(1)) << " ";
+ }
+ if (closed) d << "z";
+ return d.str();
+}
+
+void SVG::draw_text(const Point &pt, const char *text, const char *color)
+{
+ fprintf(this->f,
+ "<text x=\"%f\" y=\"%f\" font-family=\"sans-serif\" font-size=\"20px\" fill=\"%s\">%s</text>",
+ COORD(pt(0)-origin(0)),
+ COORD(pt(1)-origin(1)),
+ color, text);
+}
+
+void SVG::draw_legend(const Point &pt, const char *text, const char *color)
+{
+ fprintf(this->f,
+ "<circle cx=\"%f\" cy=\"%f\" r=\"10\" fill=\"%s\"/>",
+ COORD(pt(0)-origin(0)),
+ COORD(pt(1)-origin(1)),
+ color);
+ fprintf(this->f,
+ "<text x=\"%f\" y=\"%f\" font-family=\"sans-serif\" font-size=\"10px\" fill=\"%s\">%s</text>",
+ COORD(pt(0)-origin(0)) + 20.f,
+ COORD(pt(1)-origin(1)),
+ "black", text);
+}
+
+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();
+}
+
+void SVG::export_expolygons(const char *path, const std::vector<std::pair<Slic3r::ExPolygons, ExPolygonAttributes>> &expolygons_with_attributes)
+{
+ if (expolygons_with_attributes.empty())
+ return;
+
+ 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));
+
+ 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) {
+ 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);
+ }
+ svg.Close();
+}
+
+}
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