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
|
// -*-c++-*-
// fixg2sxd - a utility to convert fig to sxd format
// Copyright (C) 2003-2022 Alexander Bürger, acfb@users.sourceforge.net
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "xfigobjects.h"
#include "keep_range.h"
#include "misc.h"
#include "xmlwrite.h"
istream& Ellipse::read( istream& figfile )
{
LineFillStyle lfstmp;
lfstmp.read( figfile, sub_type, depth );
int direction;
figfile >> direction >> angle >> center_x >> center_y >> radius_x
>> radius_y >> start_x >> start_y >> end_x >> end_y;
keep_range( sub_type, "ellipse sub_type", 1, 4 );
// direction should be always 1, but apparently it is sometimes 0;
// don't complain as it is not used anyhow
//keep_range( direction, "ellipse direction", 1, 1 );
keep_range( radius_x, "ellipse radius_x", 0.0f );
keep_range( radius_y, "ellipse radius_y", 0.0f );
lfs = linefillstyles.insert( lfstmp ).first;
lfs->stylename();
return figfile;
}
ostream& Ellipse::write( ostream& out )
{
// skip invisible object
if( !( lfs->hasLine() || lfs->hasFill() ) )
return out;
Node ellipse("draw:ellipse");
ellipse["draw:style-name"] << lfs->stylename();
ellipse["draw:z-index"] << depth2z(depth);
if(angle==0) {
ellipse["svg:x"] << tr(center_x-radius_x) << "cm";
ellipse["svg:y"] << tr(center_y-radius_y) << "cm";
} else {
ellipse["draw:transform"]
<< "rotate(" << angle << ") "
<< "translate(" << tr(center_x-cos(angle)*radius_x-sin(angle)*radius_y) << "cm "
<< tr(center_y+sin(angle)*radius_x-cos(angle)*radius_y) << "cm)";
}
ellipse["svg:width"] << 2*tr(radius_x) << "cm";
ellipse["svg:height"] << 2*tr(radius_y) << "cm";
return out << ellipse;
}
|
