ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/perl/background
(Generate patch)

Comparing rxvt-unicode/src/perl/background (file contents):
Revision 1.10 by root, Tue Jun 5 14:53:16 2012 UTC vs.
Revision 1.25 by root, Thu Jun 7 11:30:20 2012 UTC

1#! perl 1#! perl
2 2
3our $EXPR = 'move load "/root/pix/das_fette_schwein.jpg", repeat_wrap, X, Y'; 3#:META:X_RESOURCE:%.expr:string:background expression
4#:META:X_RESOURCE:%.enable:boolean:some boolean
5#:META:X_RESOURCE:%.extra.:value:extra config
6
7our $EXPR = 'repeat_none move W * 0.1, -H * 0.1, resize W * 0.5, H * 0.5, load "MagnoliaAlpha.png"';
4$EXPR = ' 8#$EXPR = '
5 rotate W, H, 50, 50, counter 1/59.95, repeat_mirror, 9# rotate W, H, 50, 50, counter 1/59.95, repeat_mirror,
6 clip X, Y, W, H, repeat_mirror, 10# clip X, Y, W, H, repeat_mirror,
7 load "/root/pix/das_fette_schwein.jpg" 11# load "/root/pix/das_fette_schwein.jpg"
8'; 12#';
13#$EXPR = 'solid "red"';
9#$EXPR = 'blur root, 10, 10' 14#$EXPR = 'blur root, 10, 10'
10#$EXPR = 'blur move (root, -x, -y), 5, 5' 15#$EXPR = 'blur move (root, -x, -y), 5, 5'
11#resize load "/root/pix/das_fette_schwein.jpg", w, h 16#resize load "/root/pix/das_fette_schwein.jpg", w, h
12 17
13use Safe; 18use Safe;
14 19
15our ($bgdsl_self, $old, $new); 20our ($bgdsl_self, $old, $new);
16our ($l, $t, $w, $h); 21our ($l, $t, $w, $h);
17 22
23# enforce at least this interval between updates
18our $MIN_INTERVAL = 1/100; 24our $MIN_INTERVAL = 1/100;
19 25
20{ 26{
21 package urxvt::bgdsl; # background language 27 package urxvt::bgdsl; # background language
22 28
23 *repeat_black = \&urxvt::RepeatNone; #TODO wtf 29# *repeat_empty = \&urxvt::RepeatNone;
24 *repeat_wrap = \&urxvt::RepeatNormal; 30# *repeat_tile = \&urxvt::RepeatNormal;
25 *repeat_pad = \&urxvt::RepeatPad; 31# *repeat_pad = \&urxvt::RepeatPad;
26 *repeat_mirror = \&urxvt::RepeatReflect; 32# *repeat_mirror = \&urxvt::RepeatReflect;
33
34=head2 PROVIDERS/GENERATORS
35
36=over 4
37
38=item load $path
39
40=cut
27 41
28 sub load($) { 42 sub load($) {
29 my ($path) = @_; 43 my ($path) = @_;
30 44
31 $new->{load}{$path} = $old->{load}{$path} || $bgdsl_self->new_img_from_file ($path); 45 $new->{load}{$path} = $old->{load}{$path} || $bgdsl_self->new_img_from_file ($path);
… …
34 sub root() { 48 sub root() {
35 $new->{rootpmap_sensitive} = 1; 49 $new->{rootpmap_sensitive} = 1;
36 die "root op not supported, exg, we need you"; 50 die "root op not supported, exg, we need you";
37 } 51 }
38 52
53 sub solid($;$$) {
54 my $img = $bgdsl_self->new_img (urxvt::PictStandardARGB32, $_[1] || 1, $_[2] || 1);
55 $img->fill ($_[0]);
56 $img
57 }
58
59=back
60
61=head2 VARIABLES
62
63=over 4
64
65=cut
66
67 sub X() { $new->{position_sensitive} = 1; $l }
68 sub Y() { $new->{position_sensitive} = 1; $t }
69 sub W() { $new->{size_sensitive} = 1; $w }
70 sub H() { $new->{size_sensitive} = 1; $h }
71
72 sub now() { urxvt::NOW }
73
74 sub again($) {
75 $new->{again} = $_[0];
76 }
77
78 sub counter($) {
79 $new->{again} = $_[0];
80 $bgdsl_self->{counter} + 0
81 }
82
83=back
84
85=head2 OPERATORS
86
87=over 4
88
89=cut
90
39# sub clone($) { 91# sub clone($) {
40# $_[0]->clone 92# $_[0]->clone
41# } 93# }
42 94
95 sub repeat_none($) {
96 my $img = $_[0]->clone;
97 $img->repeat_mode (urxvt::RepeatNone);
98 $img
99 }
100
43 sub clip($$$$$;$) { 101 sub clip($;$$;$$) {
102 my $img = pop;
44 my $img = pop; 103 my $h = pop || H;
104 my $w = pop || W;
45 $img->sub_rect ($_[0], $_[1], $_[2], $_[3], $_[4]) 105 $img->sub_rect ($_[0], $_[1], $w, $h)
46 } 106 }
47 107
48 sub resize($$$) { 108 sub resize($$$) {
49 my $img = pop; 109 my $img = pop;
50 $img->scale ($_[0], $_[1]) 110 $img->scale ($_[0], $_[1])
51 } 111 }
52 112
53 # TODO: ugly 113 # TODO: ugly
54 sub move($$;$) { 114 sub move($$;$) {
115 my $img = pop->clone;
116 $img->move ($_[0], $_[1]);
117 $img
55 my $img = pop; 118# my $img = pop;
56 $img->sub_rect ( 119# $img->sub_rect (
57 $_[0], $_[1], 120# $_[0], $_[1],
58 $img->w, $img->h, 121# $img->w, $img->h,
59 $_[2], 122# $_[2],
60 ) 123# )
61 } 124 }
62 125
63 sub rotate($$$$$$;$) { 126 sub rotate($$$$$$) {
64 my $img = pop; 127 my $img = pop;
65 $img->rotate ( 128 $img->rotate (
66 $_[0], 129 $_[0],
67 $_[1], 130 $_[1],
68 $_[2] * $img->w * .01, 131 $_[2] * $img->w * .01,
69 $_[3] * $img->h * .01, 132 $_[3] * $img->h * .01,
70 $_[4] * (3.14159265 / 180), 133 $_[4] * (3.14159265 / 180),
71 $_[5],
72 ) 134 )
73 } 135 }
74 136
75 sub blur($$$) { 137 sub blur($$$) {
76 my ($rh, $rv, $img) = @_; 138 my ($rh, $rv, $img) = @_;
77 139
78 $img = $img->clone;
79 $img->blur ($rh, $rv); 140 $img->blur ($rh, $rv);
80 $img
81 } 141 }
82 142
83 sub contrast($$;$$;$) { 143 sub contrast($$;$$;$) {
84 my $img = pop; 144 my $img = pop;
85 my ($r, $g, $b, $a) = @_; 145 my ($r, $g, $b, $a) = @_;
… …
102 $img = $img->clone; 162 $img = $img->clone;
103 $img->brightness ($r, $g, $b, $a); 163 $img->brightness ($r, $g, $b, $a);
104 $img 164 $img
105 } 165 }
106 166
107 sub X() { $new->{position_sensitive} = 1; $l } 167=back
108 sub Y() { $new->{position_sensitive} = 1; $t }
109 sub W() { $new->{size_sensitive} = 1; $w }
110 sub H() { $new->{size_sensitive} = 1; $h }
111 168
112 sub now() { urxvt::NOW } 169=cut
113 170
114 sub again($) {
115 $new->{again} = $_[0];
116 }
117
118 sub counter($) {
119 $new->{again} = $_[0];
120 $bgdsl_self->{counter} + 0
121 }
122} 171}
123 172
124sub parse_expr { 173sub parse_expr {
125 my $expr = eval "sub {\npackage urxvt::bgdsl;\n#line 0 'background expression'\n$_[0]\n}"; 174 my $expr = eval "sub {\npackage urxvt::bgdsl;\n#line 0 'background expression'\n$_[0]\n}";
126 die if $@; 175 die if $@;
… …
143 192
144 if ($self->{next_refresh} > urxvt::NOW) { 193 if ($self->{next_refresh} > urxvt::NOW) {
145 $self->{next_refresh_timer} = urxvt::timer->new->after ($self->{next_refresh} - urxvt::NOW)->cb (sub { 194 $self->{next_refresh_timer} = urxvt::timer->new->after ($self->{next_refresh} - urxvt::NOW)->cb (sub {
146 $self->recalculate; 195 $self->recalculate;
147 }); 196 });
197 return;
148 } 198 }
149 199
150 $self->{next_refresh} = urxvt::NOW + $MIN_INTERVAL; 200 $self->{next_refresh} = urxvt::NOW + $MIN_INTERVAL;
151 201
152 # set environment to evaluate user expression 202 # set environment to evaluate user expression
… …
157 local $new = my $state = $self->{state} = {}; 207 local $new = my $state = $self->{state} = {};
158 208
159 ($l, $t, $w, $h) = 209 ($l, $t, $w, $h) =
160 $self->get_geometry; 210 $self->get_geometry;
161 211
212 warn "$l,$t,$w,$h\n";#d#
213
162 # evaluate user expression 214 # evaluate user expression
163 215
164 my $img = eval { $self->{expr}->() }; 216 my $img = eval { $self->{expr}->() };
165 warn $@ if $@;#d# 217 warn $@ if $@;#d#
218 die if !UNIVERSAL::isa $img, "urxvt::img";
166 219
167 # if the expression is sensitive to external events, prepare reevaluation then 220 # if the expression is sensitive to external events, prepare reevaluation then
168 221
169 my $repeat; 222 my $repeat;
170 223

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines