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
|
#!/usr/bin/perl
# Scanned synthesis table drawer. (draw-er)
# written april 2002 by Matthew Gilliard
use Tk;
use strict;
use vars qw($main);
my $i;
my $num_points = 128;
my $wdef = "x*2*pi";
my $main = new MainWindow;
my $pi = 3.14159265358979323846;
my $acc = 6;
my $i_temp;
my $num_lines = (@ARGV) ? $ARGV[0] : 5;
my @dp = (0,0,0,0,0,0,0,0,0,0);
my @min_y = (-1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
my @max_y = (1, 1, 1, 1, 1,1,1,1,1,1);
my @formula = ('sin w');
my @colours = ('red', 'blue', 'green', 'magenta', 'cyan', 'orange',
'darkblue', 'purple', 'brown', 'black');
my @on = (1,0,0,0,0,0,0,0,0,0);
my @files = ('t.0', 't.1', 't.2', 't.3', 't.4', 't.5', 't.6', 't.7', 't.8', 't.9');
$main->Label(-text => 'Scanned synthesis table helper')->pack;
my $bf = $main->Frame->pack;
my $bft = $bf->Frame->pack(qw/-side top/);
my $bfb = $bf->Frame->pack(qw/-side bottom -fill x/);
my $ftl = $bft->Frame->pack(qw/-side left -fill y/);
my $ftr = $bft->Frame->pack(qw/-side right/);
my $c = $ftr->Canvas(
relief => 'raised',
width => 308,
height => 311,
cursor => 'top_left_arrow',
);
$c->pack(qw/-side right/);
my $rect = $c->createRectangle(4,4,304,304, -fill => 'white');
# Number of points in table
for ($i=0; $i<$num_lines; $i++){
my $ff = $main->Frame->pack;
$ff->Label(-text => "y$i = ", -fg => $colours[$i])->pack(qw/-side left/);
$ff->Checkbutton(-variable => \$dp[$i])->pack(qw/-side right/);
$ff->Entry(-textvariable => \$files[$i], -width => 8)->pack(qw/-side right/);
$ff->Checkbutton(-variable => \$on[$i], -command => sub{draw_formula($c)})->pack(qw/-side right/);
$ff->Entry(-textvariable => \$max_y[$i], -width => 5)->pack(qw/-side right/);
$ff->Entry(-textvariable => \$min_y[$i], -width => 5)->pack(qw/-side right/);
my $form = $ff->Entry(
-textvariable => \$formula[$i],
)->pack(qw/-side right/);
}
my $f = $main->Frame->pack;
$f->Label(-text => 'Values:')->pack(qw/-side left/);
$f->Optionmenu(
-options => [qw/4 8 16 32 64 128 256 512 1024 2048 4096 8192/],
-textvariable => \$num_points,
)->pack(qw/-side left/);
$f->Button(
-relief => 'raised',
-text => 'Redraw',
-command => sub{draw_formula($c);}
)->pack(qw/-side left/);
$f->Button(
-relief => 'raised',
-text => 'Output',
-command => sub{make_files($c);}
)->pack(qw/-side left/);
$f->Button(
-relief => 'raised',
-text => 'Exit',
-command => sub{exit;}
)->pack(qw/-side right/);
draw_formula($c);
# Start responding to user input.
MainLoop;
sub draw_formula(){
my ($c) = @_;
my $i;
my $x;
my $y;
my $count;
for ($count=0; $count<$num_lines; $count++){
$c->delete("line$count");
}
for ($count=0; $count<$num_lines; $count++){
if ($on[$count]){
$i_temp = 0;
my $nf = $formula[$count];
$nf =~ s/w/$wdef/g;
$nf =~ s/x/\$i_temp/g;
$nf =~ s/pi/$pi/g;
# Help from jpff with inlining of bit function
$nf =~ s/bit\((.+?),(.+?),(.+?)\)/(((\3>\1)&&(\3<=\2))?1:0)/g;
my $oldx=5;
my $oldy=(eval($nf) - $min_y[$count])/($max_y[$count] - $min_y[$count]);
$oldy = int 300-$oldy*299 +4;
for ($i=1; $i<300; $i++){
$x = $i+4;
$i_temp = $i/300;
$y = (eval($nf) - $min_y[$count]) / ($max_y[$count] - $min_y[$count]);
$y = int 300-$y*299 +4;
my $lne = $c->createLine($oldx, $oldy, $x, $y, -fill => $colours[$count]);
$c->addtag("line$count", 'withtag', $lne);
$oldx = $x;
$oldy = $y;
}
}
}
}
sub make_files(){
my ($c) = @_;
my $count;
my $i;
my $temp;
my $y;
for ($count=0; $count<$num_lines; $count++){
if ($on[$count]){
my $nf = $formula[$count];
$nf =~ s/w/$wdef/g;
$nf =~ s/x/\$temp/g;
$nf =~ s/pi/$pi/g;
$nf =~ s/bit\((.+?),(.+?),(.+?)\)/(((\3>\1)&&(\3<=\2))?1:0)/g;
open (FILE, ">$files[$count]");
for ($i=0; $i<$num_points; $i++){
if (($i == 0) && ($dp[$count] != 0)){
print FILE "0\n";
}else{
$temp = $i/($num_points-1);
$y = eval $nf;
$y = (int ($y * 10 ** $acc)) / 10 ** $acc;
print FILE "$y\n";
}
}
close FILE;
}
}
}
|
