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
|
function hl=processLegend(ax,mat,typ)
_vch=getvalidchildren(ax);
if argn(2)==1
h=[];
mat=[];
for i=1:size(_vch,1);
if _vch(i).visible=='on' & _vch(i).user_data.DisplayName~=''
h=[h;_vch(i)];
mat=[mat;_vch(i).user_data.DisplayName];
end
end
else
h=_vch;
ax.user_data.legendType=typ;
end
nch=size(h,1);
if size(mat,1)>nch
mat=mat(1:nch,:);
warning("legend : some superfluous labels have been ignored");
end
ierr=execstr('delete(ax.user_data.legendHandle)','errcatch');
for i=1:min(size(mat,1),nch)
user_data=h(i).user_data;
user_data.DisplayName=mat(i);
h(i).user_data=user_data;
end
sca(ax);
IMD=get(get('current_figure'),'immediate_drawing');
if ax.user_data.legendType==5
set(get('current_figure'),'immediate_drawing','on');
end
hl=scilab_legend(h,mat,ax.user_data.legendType);
set(get('current_figure'),'immediate_drawing',IMD);
[v,opt]=getversion();
if or(opt=='gtk') | MSDOS
else
hl.foreground=ax.foreground;
end
ax.user_data.legendHandle=hl;
sca(ax);
endfunction
// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
function c=scilab_legend(varargin)
if size(varargin)<1 then
error(msprintf(gettext("%s: Wrong number of input argument(s): At least %d expected.\n"), "legend", 1));
end
options_names=["in_upper_right";"in_upper_left";"in_lower_left";
"in_lower_right";"by_coordinates";"out_upper_right";
"out_upper_left";"out_lower_left";"out_lower_right";
"upper_caption";"lower_caption"];
options_codes=[1;2;3;
4;5;-1;
-2;-3;-4;
-5;-6];
f = gcf();
vis = f.immediate_drawing;
vis_on = vis == "on"; // current figure draw status (to decide if drawnow or standby)
narg = size(varargin);
k0 = 1;
H = [];
leg = [];
Acur = gca();
A = Acur;
opt = 1;
with_box = %T;
while type(varargin(k0))==9 then //a handle that could be an Axes, Agreg. or Polyline handle.
tmpH=varargin(k0)
if tmpH.type=='Axes' then
A = tmpH;
end
H=[H;getvalidchildren(tmpH)'];
k0 = k0+1;
end
if H==[] then
//walk subtree to get all proper children
H=getvalidchildren(A)
end
//get all labels
for k=k0:size(varargin)
if type(varargin(k))<>10 then break,end
vk=varargin(k)
leg=[vk(:);leg]
end
nleg=size(leg,'*')
k0=k
if k0<=narg&type(varargin(k0))==1 then opt=varargin(k0);k0=k0+1,end
if k0<=narg&type(varargin(k0))==4 then with_box=varargin(k0);k0=k0+1,end
//upper left coordinates
if size(opt,'*')>1 then
bnds=get(gca(),'axes_bounds');
as=get(gcf(),'axes_size');
[x1,y1,rect]=xchange(opt(1),opt(2),'f2i')
x1=x1-as(1)*bnds(1)
y1=y1-as(2)*bnds(2)
pos=[x1/(as(1)*bnds(3)), y1/(as(2)*bnds(4))]
opt=5
elseif opt==5 then
pos=[]
elseif opt<-6|opt>4 then
error('opt can take value in -6:4')
end
kopt=find(options_codes==opt)
if kopt==[] then error('invalid positionning option'),end
// the number of labels might be lower than the number of polylines
nbLeg = min(size(H, '*'), size(leg, '*'));
first_handle=size(H, '*')-nbLeg+1;
H = H(first_handle:size(H, '*'));
leg = leg(1:nbLeg);
drawlater()
c=captions(H,leg)
if with_box then c.line_mode='on',else c.line_mode='off',end
c.legend_location=options_names(kopt)
if opt==5 then
if pos<>[] then
c.position=pos;
else
if vis_on then drawnow(); end // draw if figure status allows it (otherwise standbye)
bnds=get(gca(),'axes_bounds');
as=get(gcf(),'axes_size');
while %t
rep=xgetmouse()
if rep(3)<> -1 then break,end
[x1,y1,rect]=xchange(rep(1),rep(2),'f2i')
x1=x1-as(1)*bnds(1)
y1=y1-as(2)*bnds(2)
pos=[x1/(as(1)*bnds(3)), y1/(as(2)*bnds(4))]
c.position=pos;
end
end
end
if vis_on then drawnow(); end // draw if figure status allows it (otherwise standbye)
endfunction
function h=getvalidchildren(A)
h=[]
for k=1:size(A,'*')
a=A(k)
select a.type
case "Polyline" then
h=[h;a]
case 'Axes'
ax=a.children
h=[h;getvalidchildren(ax)]
case 'Compound'
for k=1:1:size(a.children,'*')
h=[h;getvalidchildren(a.children(k))]
end
end
end
endfunction
|
