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Comparing rxvt-unicode/src/perl/background (file contents):
Revision 1.14 by root, Tue Jun 5 22:23:07 2012 UTC vs.
Revision 1.23 by root, Thu Jun 7 10:22:55 2012 UTC

1#! perl 1#! perl
2 2
3#:META:RESOURCE:$$:string:background expression 3#:META:X_RESOURCE:%.expr:string:background expression
4#:META:RESOURCE:$$-enable:boolean:some boolean 4#:META:X_RESOURCE:%.enable:boolean:some boolean
5#:META:X_RESOURCE:%.extra.:value:extra config
5 6
6our $EXPR = 'move load "/root/pix/das_fette_schwein.jpg", repeat_wrap, X, Y'; 7our $EXPR = 'clip move -X, -Y, load "MagnoliaAlpha.png"';
7$EXPR = ' 8#$EXPR = '
8 rotate W, H, 50, 50, counter 1/59.95, repeat_mirror, 9# rotate W, H, 50, 50, counter 1/59.95, repeat_mirror,
9 clip X, Y, W, H, repeat_mirror, 10# clip X, Y, W, H, repeat_mirror,
10 load "/root/pix/das_fette_schwein.jpg" 11# load "/root/pix/das_fette_schwein.jpg"
11'; 12#';
13#$EXPR = 'solid "red"';
12#$EXPR = 'blur root, 10, 10' 14#$EXPR = 'blur root, 10, 10'
13#$EXPR = 'blur move (root, -x, -y), 5, 5' 15#$EXPR = 'blur move (root, -x, -y), 5, 5'
14#resize load "/root/pix/das_fette_schwein.jpg", w, h 16#resize load "/root/pix/das_fette_schwein.jpg", w, h
15 17
16use Safe; 18use Safe;
17 19
18our ($bgdsl_self, $old, $new); 20our ($bgdsl_self, $old, $new);
19our ($l, $t, $w, $h); 21our ($l, $t, $w, $h);
20 22
21# enforce at leats this time between updates 23# enforce at least this interval between updates
22our $MIN_INTERVAL = 1/100; 24our $MIN_INTERVAL = 1/100;
23 25
24{ 26{
25 package urxvt::bgdsl; # background language 27 package urxvt::bgdsl; # background language
26 28
27 *repeat_black = \&urxvt::RepeatNone; #TODO wtf 29# *repeat_empty = \&urxvt::RepeatNone;
28 *repeat_wrap = \&urxvt::RepeatNormal; 30# *repeat_tile = \&urxvt::RepeatNormal;
29 *repeat_pad = \&urxvt::RepeatPad; 31# *repeat_pad = \&urxvt::RepeatPad;
30 *repeat_mirror = \&urxvt::RepeatReflect; 32# *repeat_mirror = \&urxvt::RepeatReflect;
33
34=head2 PROVIDERS/GENERATORS
35
36=over 4
37
38=item load $path
39
40=cut
31 41
32 sub load($) { 42 sub load($) {
33 my ($path) = @_; 43 my ($path) = @_;
34 44
35 $new->{load}{$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);
… …
38 sub root() { 48 sub root() {
39 $new->{rootpmap_sensitive} = 1; 49 $new->{rootpmap_sensitive} = 1;
40 die "root op not supported, exg, we need you"; 50 die "root op not supported, exg, we need you";
41 } 51 }
42 52
53 sub solid($;$$) {
54 my $img = $bgdsl_self->new_img (urxvt::PictStandardARGB32, $_[1] || 1, $_[2] || 1);
55 $img->fill ($_[0]);
56 $img
57 }
58
59=back
60
61=head2 VARIABLES
62
63=over 4
64
65=cut
66
67 sub X() { $new->{position_sensitive} = 1; $l }
68 sub Y() { $new->{position_sensitive} = 1; $t }
69 sub W() { $new->{size_sensitive} = 1; $w }
70 sub H() { $new->{size_sensitive} = 1; $h }
71
72 sub now() { urxvt::NOW }
73
74 sub again($) {
75 $new->{again} = $_[0];
76 }
77
78 sub counter($) {
79 $new->{again} = $_[0];
80 $bgdsl_self->{counter} + 0
81 }
82
83=back
84
85=head2 OPERATORS
86
87=over 4
88
89=cut
90
43# sub clone($) { 91# sub clone($) {
44# $_[0]->clone 92# $_[0]->clone
45# } 93# }
46 94
47 sub clip($$$$$;$) { 95 sub clip($;$$;$$) {
96 my $img = pop;
48 my $img = pop; 97 my $h = pop || H;
98 my $w = pop || W;
49 $img->sub_rect ($_[0], $_[1], $_[2], $_[3], $_[4]) 99 $img->sub_rect ($_[0], $_[1], $w, $h)
50 } 100 }
51 101
52 sub resize($$$) { 102 sub resize($$$) {
53 my $img = pop; 103 my $img = pop;
54 $img->scale ($_[0], $_[1]) 104 $img->scale ($_[0], $_[1])
55 } 105 }
56 106
57 # TODO: ugly 107 # TODO: ugly
58 sub move($$;$) { 108 sub move($$;$) {
109 my $img = pop->clone;
110 $img->move ($_[0], $_[1]);
111 $img
59 my $img = pop; 112# my $img = pop;
60 $img->sub_rect ( 113# $img->sub_rect (
61 $_[0], $_[1], 114# $_[0], $_[1],
62 $img->w, $img->h, 115# $img->w, $img->h,
63 $_[2], 116# $_[2],
64 ) 117# )
65 } 118 }
66 119
67 sub rotate($$$$$$;$) { 120 sub rotate($$$$$$) {
68 my $img = pop; 121 my $img = pop;
69 $img->rotate ( 122 $img->rotate (
70 $_[0], 123 $_[0],
71 $_[1], 124 $_[1],
72 $_[2] * $img->w * .01, 125 $_[2] * $img->w * .01,
73 $_[3] * $img->h * .01, 126 $_[3] * $img->h * .01,
74 $_[4] * (3.14159265 / 180), 127 $_[4] * (3.14159265 / 180),
75 $_[5],
76 ) 128 )
77 } 129 }
78 130
79 sub blur($$$) { 131 sub blur($$$) {
80 my ($rh, $rv, $img) = @_; 132 my ($rh, $rv, $img) = @_;
… …
104 $img = $img->clone; 156 $img = $img->clone;
105 $img->brightness ($r, $g, $b, $a); 157 $img->brightness ($r, $g, $b, $a);
106 $img 158 $img
107 } 159 }
108 160
109 sub X() { $new->{position_sensitive} = 1; $l } 161=back
110 sub Y() { $new->{position_sensitive} = 1; $t }
111 sub W() { $new->{size_sensitive} = 1; $w }
112 sub H() { $new->{size_sensitive} = 1; $h }
113 162
114 sub now() { urxvt::NOW } 163=cut
115 164
116 sub again($) {
117 $new->{again} = $_[0];
118 }
119
120 sub counter($) {
121 $new->{again} = $_[0];
122 $bgdsl_self->{counter} + 0
123 }
124} 165}
125 166
126sub parse_expr { 167sub parse_expr {
127 my $expr = eval "sub {\npackage urxvt::bgdsl;\n#line 0 'background expression'\n$_[0]\n}"; 168 my $expr = eval "sub {\npackage urxvt::bgdsl;\n#line 0 'background expression'\n$_[0]\n}";
128 die if $@; 169 die if $@;
… …
160 local $new = my $state = $self->{state} = {}; 201 local $new = my $state = $self->{state} = {};
161 202
162 ($l, $t, $w, $h) = 203 ($l, $t, $w, $h) =
163 $self->get_geometry; 204 $self->get_geometry;
164 205
206 warn "$l,$t,$w,$h\n";#d#
207
165 # evaluate user expression 208 # evaluate user expression
166 209
167 my $img = eval { $self->{expr}->() }; 210 my $img = eval { $self->{expr}->() };
168 warn $@ if $@;#d# 211 warn $@ if $@;#d#
212 die if !UNIVERSAL::isa $img, "urxvt::img";
169 213
170 # if the expression is sensitive to external events, prepare reevaluation then 214 # if the expression is sensitive to external events, prepare reevaluation then
171 215
172 my $repeat; 216 my $repeat;
173 217

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