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
|
% MetaUtil, an easier MetaPost life
% Copyright (C) 2005 Ovidiu Gheorghies
%
% 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
if known _util_picture_stack_mp:
expandafter endinput
fi;
_util_picture_stack_mp:=1;
input util_picture;
input util_commons;
input util_group;
input util_log;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% PICTURE STACK %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
vardef PictureStackInfo@#(expr pleft, pright, ptop, pbottom)(text pspacing)(text ppictInfo)=
attributes(@#);
var(numeric) boxed;
var(color) borderColor;
var(numeric) left, right, top, bottom;
var(numeric) spacing;
Margins@#(pleft, pright, ptop, pbottom);
@#spacing := pspacing;
@#boxed := 0;
@#borderColor := green;
PictureInfoCopy.@#iPict(ppictInfo);
enddef;
vardef PictureStackInfoCopy@#(text src)=
PictureStackInfo@#(src.left, src.right, src.top, src.bottom)(src.spacing)(src.iPict);
@#boxed := src.boxed;
@#borderColor := src.borderColor;
enddef;
log "*** Creating iStack...";
PictureStackInfo.iStack(2, 2, 2, 2)(2)(iPict);
vardef EPictureStack@#(text pictStackInfo)(text thePictures)(text how)=
ObjectEquations(@#);
@#className := "PictureStack";
PictureStackInfoCopy.@#info(pictStackInfo);
attributes(@#);
var(numeric) nItems;
var(numeric) minx, miny, maxx, maxy;
var(string) picturesAsString;
var(string) joinMethod;
@#joinMethod := how;
@#nItems := 0;
for p=thePictures:
EPicture.@#pict[@#nItems](@#info.iPict)(p);
@#nItems := @#nItems + 1;
endfor;
@#picturesAsString := listArray(@#pict)(@#nItems);
EGroup.@#group(@#info)(scantokens @#picturesAsString);
@#nw = @#group.nw;
@#se = @#group.se;
enddef;
vardef PictureStack@#(text thePictures)(text how)=
EPictureStack@#(iStack)(thePictures)(how);
enddef;
vardef PictureStack_layout@#=
if @#layedout = 1:
log "PictureStack " & (str @#) & " has already been layed out";
else:
@#layedout := 1;
layoutObjects(scantokens @#picturesAsString);
if @#joinMethod = "vleft":
setObjectJoin(pa.left=pb.left; pa.bottom = pb.top + @#info.spacing);
elseif @#joinMethod = "vcenter":
setObjectJoin(pa.midx=pb.midx; pa.bottom = pb.top + @#info.spacing);
elseif @#joinMethod = "vright":
setObjectJoin(pa.right=pb.right; pa.bottom = pb.top + @#info.spacing);
elseif @#joinMethod = "vleftbase":
setObjectJoin(pa.left=pb.left; pa.bottom = pb.bottom + @#info.spacing);
elseif @#joinMethod = "vcenterbase":
setObjectJoin(pa.midx=pb.midx; pa.bottom = pb.bottom + @#info.spacing);
fi;
joinObjects(scantokens @#picturesAsString);
Group_layout.@#group;
fi;
enddef;
vardef PictureStack_draw@#=
PictureStack_layout.@#;
objectEnsurePositioning.@#;
for i=0 upto @#nItems-1:
Picture_draw.@#pict[i];
endfor;
if (@#info.boxed = 1):
draw objectBox(@#) withcolor @#info.borderColor;
fi;
enddef;
vardef PictureStack_border@#=
objectBox(@#)
enddef;
|
