| … | |
… | |
| 204 | |
204 | |
| 205 | =back |
205 | =back |
| 206 | |
206 | |
| 207 | =cut |
207 | =cut |
| 208 | |
208 | |
|
|
209 | our %_IMGCACHE; |
| 209 | our $HOME; |
210 | our $HOME; |
| 210 | our ($self, $old, $new); |
211 | our ($self, $old, $new); |
| 211 | our ($x, $y, $w, $h); |
212 | our ($x, $y, $w, $h); |
| 212 | |
213 | |
| 213 | # enforce at least this interval between updates |
214 | # enforce at least this interval between updates |
| … | |
… | |
| 683 | |
684 | |
| 684 | sub contrast($$;$$;$) { |
685 | sub contrast($$;$$;$) { |
| 685 | my $img = pop; |
686 | my $img = pop; |
| 686 | my ($r, $g, $b, $a) = @_; |
687 | my ($r, $g, $b, $a) = @_; |
| 687 | |
688 | |
| 688 | ($g, $b) = ($r, $r) if @_ < 4; |
689 | ($g, $b) = ($r, $r) if @_ < 3; |
| 689 | $a = 1 if @_ < 5; |
690 | $a = 1 if @_ < 4; |
| 690 | |
691 | |
| 691 | $img = $img->clone; |
692 | $img = $img->clone; |
| 692 | $img->contrast ($r, $g, $b, $a); |
693 | $img->contrast ($r, $g, $b, $a); |
| 693 | $img |
694 | $img |
| 694 | } |
695 | } |
| 695 | |
696 | |
| 696 | sub brightness($$;$$;$) { |
697 | sub brightness($$;$$;$) { |
| 697 | my $img = pop; |
698 | my $img = pop; |
| 698 | my ($r, $g, $b, $a) = @_; |
699 | my ($r, $g, $b, $a) = @_; |
| 699 | |
700 | |
| 700 | ($g, $b) = ($r, $r) if @_ < 4; |
701 | ($g, $b) = ($r, $r) if @_ < 3; |
| 701 | $a = 1 if @_ < 5; |
702 | $a = 1 if @_ < 4; |
| 702 | |
703 | |
| 703 | $img = $img->clone; |
704 | $img = $img->clone; |
| 704 | $img->brightness ($r, $g, $b, $a); |
705 | $img->brightness ($r, $g, $b, $a); |
| 705 | $img |
706 | $img |
| 706 | } |
707 | } |
| … | |
… | |
| 796 | |
797 | |
| 797 | # evaluate user expression |
798 | # evaluate user expression |
| 798 | |
799 | |
| 799 | my $img = eval { $self->{expr}->() }; |
800 | my $img = eval { $self->{expr}->() }; |
| 800 | warn $@ if $@;#d# |
801 | warn $@ if $@;#d# |
| 801 | die if !UNIVERSAL::isa $img, "urxvt::img"; |
802 | die "background-expr did not return an image.\n" if !UNIVERSAL::isa $img, "urxvt::img"; |
| 802 | |
803 | |
| 803 | $state->{size_sensitive} = 1 |
804 | $state->{size_sensitive} = 1 |
| 804 | if $img->repeat_mode != urxvt::RepeatNormal; |
805 | if $img->repeat_mode != urxvt::RepeatNormal; |
| 805 | |
806 | |
| 806 | # if the expression is sensitive to external events, prepare reevaluation then |
807 | # if the expression is sensitive to external events, prepare reevaluation then |
| … | |
… | |
| 856 | } |
857 | } |
| 857 | |
858 | |
| 858 | sub on_start { |
859 | sub on_start { |
| 859 | my ($self) = @_; |
860 | my ($self) = @_; |
| 860 | |
861 | |
| 861 | my $expr = $self->x_resource ("background.expr") |
862 | my $expr = $self->x_resource ("%.expr") |
| 862 | or return; |
863 | or return; |
| 863 | |
864 | |
|
|
865 | $self->has_render |
|
|
866 | or die "background extension needs RENDER extension 0.10 or higher, ignoring background-expr.\n"; |
|
|
867 | |
| 864 | $self->set_expr (parse_expr $expr); |
868 | $self->set_expr (parse_expr $expr); |
| 865 | $self->{border} = $self->x_resource_boolean ("background.border"); |
869 | $self->{border} = $self->x_resource_boolean ("%.border"); |
| 866 | |
870 | |
| 867 | $MIN_INTERVAL = $self->x_resource ("background.interval"); |
871 | $MIN_INTERVAL = $self->x_resource ("%.interval"); |
| 868 | |
872 | |
| 869 | () |
873 | () |
| 870 | } |
874 | } |
| 871 | |
875 | |
