1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
#include "SVG.hpp"
#include <iostream>
#define COORD(x) ((float)unscale(x)*10)
namespace Slic3r {
SVG::SVG(const char* filename)
: arrows(false), fill("grey"), stroke("black"), filename(filename)
{
this->f = fopen(filename, "w");
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"
);
}
SVG::SVG(const char* filename, const BoundingBox &bbox)
: arrows(false), fill("grey"), stroke("black"), filename(filename), origin(bbox.min)
{
this->f = fopen(filename, "w");
float w = COORD(bbox.max.x - bbox.min.x);
float h = COORD(bbox.max.y - bbox.min.y);
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);
}
void
SVG::draw(const Line &line, std::string stroke, coord_t stroke_width)
{
fprintf(this->f,
" <line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\" style=\"stroke: %s; stroke-width: %f\"",
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));
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, coord_t stroke_width)
{
Pointf dir(line.b.x-line.a.x, line.b.y-line.a.y);
Pointf perp(-dir.y, dir.x);
coordf_t len = sqrt(perp.x*perp.x + perp.y*perp.y);
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.x-da*perp.x-origin.x),
COORD(line.a.y-da*perp.y-origin.y),
COORD(line.b.x-db*perp.x-origin.x),
COORD(line.b.y-db*perp.y-origin.y),
COORD(line.b.x+db*perp.x-origin.x),
COORD(line.b.y+db*perp.y-origin.y),
COORD(line.a.x+da*perp.x-origin.x),
COORD(line.a.y+da*perp.y-origin.y),
fill.c_str(), stroke.c_str(),
(stroke_width == 0) ? 1.f : COORD(stroke_width));
}
void
SVG::draw(const Lines &lines, std::string stroke)
{
for (Lines::const_iterator it = lines.begin(); it != lines.end(); ++it)
this->draw(*it, stroke);
}
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)
{
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);
}
void
SVG::draw(const ExPolygons &expolygons, std::string fill)
{
for (ExPolygons::const_iterator it = expolygons.begin(); it != expolygons.end(); ++it)
this->draw(*it, fill);
}
void
SVG::draw(const Polygon &polygon, std::string fill)
{
this->fill = fill;
this->path(this->get_path_d(polygon, true), !fill.empty());
}
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, coord_t stroke_width)
{
this->stroke = stroke;
this->path(this->get_path_d(polyline, false), false, stroke_width);
}
void
SVG::draw(const Polylines &polylines, std::string stroke, coord_t stroke_width)
{
for (Polylines::const_iterator it = polylines.begin(); it != polylines.end(); ++it)
this->draw(*it, fill, stroke_width);
}
void SVG::draw(const ThickLines &thicklines, const std::string &fill, const std::string &stroke, coord_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, coord_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, coord_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.x - origin.x) << "\" cy=\"" << COORD(point.y - origin.y)
<< "\" 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::path(const std::string &d, bool fill, coord_t stroke_width)
{
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 />\n",
d.c_str(),
fill ? this->fill.c_str() : "none",
this->stroke.c_str(),
lineWidth,
(this->arrows && !fill) ? " marker-end=\"url(#endArrow)\"" : ""
);
}
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->x - origin.x) << " ";
d << COORD(p->y - origin.y) << " ";
}
if (closed) d << "z";
return d.str();
}
void
SVG::Close()
{
fprintf(this->f, "</svg>\n");
fclose(this->f);
this->f = NULL;
printf("SVG written to %s\n", this->filename.c_str());
}
}
|
