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Comparing rxvt-unicode/src/perl/background (file contents):
Revision 1.10 by root, Tue Jun 5 14:53:16 2012 UTC vs.
Revision 1.15 by root, Tue Jun 5 22:46:50 2012 UTC

1#! perl 1#! perl
2
3#:META:RESOURCE:$$:string:background expression
4#:META:RESOURCE:$$-enable:boolean:some boolean
2 5
3our $EXPR = 'move load "/root/pix/das_fette_schwein.jpg", repeat_wrap, X, Y'; 6our $EXPR = 'move load "/root/pix/das_fette_schwein.jpg", repeat_wrap, X, Y';
4$EXPR = ' 7$EXPR = '
5 rotate W, H, 50, 50, counter 1/59.95, repeat_mirror, 8 rotate W, H, 50, 50, counter 1/59.95, repeat_mirror,
6 clip X, Y, W, H, repeat_mirror, 9 clip X, Y, W, H, repeat_mirror,
7 load "/root/pix/das_fette_schwein.jpg" 10 load "/root/pix/das_fette_schwein.jpg"
8'; 11';
12$EXPR = 'solid "red"';
9#$EXPR = 'blur root, 10, 10' 13#$EXPR = 'blur root, 10, 10'
10#$EXPR = 'blur move (root, -x, -y), 5, 5' 14#$EXPR = 'blur move (root, -x, -y), 5, 5'
11#resize load "/root/pix/das_fette_schwein.jpg", w, h 15#resize load "/root/pix/das_fette_schwein.jpg", w, h
12 16
13use Safe; 17use Safe;
14 18
15our ($bgdsl_self, $old, $new); 19our ($bgdsl_self, $old, $new);
16our ($l, $t, $w, $h); 20our ($l, $t, $w, $h);
17 21
22# enforce at leats this time between updates
18our $MIN_INTERVAL = 1/100; 23our $MIN_INTERVAL = 1/100;
19 24
20{ 25{
21 package urxvt::bgdsl; # background language 26 package urxvt::bgdsl; # background language
22 27
23 *repeat_black = \&urxvt::RepeatNone; #TODO wtf 28 *repeat_black = \&urxvt::RepeatNone; #TODO wtf
24 *repeat_wrap = \&urxvt::RepeatNormal; 29 *repeat_wrap = \&urxvt::RepeatNormal;
25 *repeat_pad = \&urxvt::RepeatPad; 30 *repeat_pad = \&urxvt::RepeatPad;
26 *repeat_mirror = \&urxvt::RepeatReflect; 31 *repeat_mirror = \&urxvt::RepeatReflect;
27 32
33=head2 PROVIDERS/GENERATORS
34
35=over 4
36
37=item load $path
38
39=cut
40
28 sub load($) { 41 sub load($) {
29 my ($path) = @_; 42 my ($path) = @_;
30 43
31 $new->{load}{$path} = $old->{load}{$path} || $bgdsl_self->new_img_from_file ($path); 44 $new->{load}{$path} = $old->{load}{$path} || $bgdsl_self->new_img_from_file ($path);
32 } 45 }
33 46
34 sub root() { 47 sub root() {
35 $new->{rootpmap_sensitive} = 1; 48 $new->{rootpmap_sensitive} = 1;
36 die "root op not supported, exg, we need you"; 49 die "root op not supported, exg, we need you";
37 } 50 }
51
52 sub solid($;$$) {
53 my $img = $bgdsl_self->new_img (urxvt::PictStandardARGB32, $_[1] || 1, $_[2] || 1);
54 $img->fill ($_[0]);
55 $img
56 }
57
58=back
59
60=head2 OPERATORS
61
62=over 4
63
64=cut
38 65
39# sub clone($) { 66# sub clone($) {
40# $_[0]->clone 67# $_[0]->clone
41# } 68# }
42 69
… …
73 } 100 }
74 101
75 sub blur($$$) { 102 sub blur($$$) {
76 my ($rh, $rv, $img) = @_; 103 my ($rh, $rv, $img) = @_;
77 104
78 $img = $img->clone;
79 $img->blur ($rh, $rv); 105 $img->blur ($rh, $rv);
80 $img
81 } 106 }
82 107
83 sub contrast($$;$$;$) { 108 sub contrast($$;$$;$) {
84 my $img = pop; 109 my $img = pop;
85 my ($r, $g, $b, $a) = @_; 110 my ($r, $g, $b, $a) = @_;
… …
117 142
118 sub counter($) { 143 sub counter($) {
119 $new->{again} = $_[0]; 144 $new->{again} = $_[0];
120 $bgdsl_self->{counter} + 0 145 $bgdsl_self->{counter} + 0
121 } 146 }
147
148=back
149
150=cut
151
122} 152}
123 153
124sub parse_expr { 154sub parse_expr {
125 my $expr = eval "sub {\npackage urxvt::bgdsl;\n#line 0 'background expression'\n$_[0]\n}"; 155 my $expr = eval "sub {\npackage urxvt::bgdsl;\n#line 0 'background expression'\n$_[0]\n}";
126 die if $@; 156 die if $@;
… …
143 173
144 if ($self->{next_refresh} > urxvt::NOW) { 174 if ($self->{next_refresh} > urxvt::NOW) {
145 $self->{next_refresh_timer} = urxvt::timer->new->after ($self->{next_refresh} - urxvt::NOW)->cb (sub { 175 $self->{next_refresh_timer} = urxvt::timer->new->after ($self->{next_refresh} - urxvt::NOW)->cb (sub {
146 $self->recalculate; 176 $self->recalculate;
147 }); 177 });
178 return;
148 } 179 }
149 180
150 $self->{next_refresh} = urxvt::NOW + $MIN_INTERVAL; 181 $self->{next_refresh} = urxvt::NOW + $MIN_INTERVAL;
151 182
152 # set environment to evaluate user expression 183 # set environment to evaluate user expression
… …
161 192
162 # evaluate user expression 193 # evaluate user expression
163 194
164 my $img = eval { $self->{expr}->() }; 195 my $img = eval { $self->{expr}->() };
165 warn $@ if $@;#d# 196 warn $@ if $@;#d#
197 die if !UNIVERSAL::isa $img, "urxvt::img";
166 198
167 # if the expression is sensitive to external events, prepare reevaluation then 199 # if the expression is sensitive to external events, prepare reevaluation then
168 200
169 my $repeat; 201 my $repeat;
170 202

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