| 1 | #! perl |
1 | #! perl |
| 2 | |
2 | |
| 3 | our $EXPR = 'move load "/root/pix/das_fette_schwein.jpg", left, top'; |
3 | our $EXPR = 'move load "/root/pix/das_fette_schwein.jpg", repeat_wrap, X, Y'; |
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|
4 | $EXPR = 'rotate load "/root/pix/das_fette_schwein.jpg", W, H, 50, 50, counter 1/60, repeat_mirror'; |
| 4 | #$EXPR = 'blur root, 10, 10' |
5 | #$EXPR = 'blur root, 10, 10' |
| 5 | #$EXPR = 'blur move (root, -x, -y), 5, 5' |
6 | #$EXPR = 'blur move (root, -x, -y), 5, 5' |
| 6 | #resize load "/root/pix/das_fette_schwein.jpg", w, h |
7 | #resize load "/root/pix/das_fette_schwein.jpg", w, h |
| 7 | |
8 | |
| 8 | use Safe; |
9 | use Safe; |
| … | |
… | |
| 26 | |
27 | |
| 27 | sub root() { |
28 | sub root() { |
| 28 | die "root op not supported, exg, we need you"; |
29 | die "root op not supported, exg, we need you"; |
| 29 | } |
30 | } |
| 30 | |
31 | |
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|
32 | # sub clone($) { |
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33 | # $_[0]->clone |
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|
34 | # } |
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35 | |
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36 | sub subrect($$$$$;$) { |
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37 | $_[0]->sub_rect ($_[1], $_[2], $_[3], $_[4], $_[5]) |
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38 | } |
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39 | |
| 31 | sub resize($$$) { |
40 | sub resize($$$) { |
| 32 | $_[0]->scale ($_[1], $_[2]) |
41 | $_[0]->scale ($_[1], $_[2]) |
| 33 | } |
42 | } |
| 34 | |
43 | |
| 35 | sub move($$$) { |
44 | sub move($$$;$) { |
| 36 | # TODO: must be simpler |
45 | # TODO: must be simpler |
| 37 | $_[0]->transform ($_[0]->w, $_[0]->h, $_[1], |
46 | $_[0]->transform ($_[0]->w, $_[0]->h, |
| 38 | 1, 0, -$_[2], |
47 | 1, 0, $_[1], |
| 39 | 0, 1, -$_[3], |
48 | 0, 1, $_[2], |
| 40 | 0, 0, 1, |
49 | 0, 0, 1, |
|
|
50 | $_[3], |
| 41 | ) |
51 | ) |
| 42 | } |
52 | } |
| 43 | |
53 | |
| 44 | sub rotate($$$$) { |
54 | sub rotate($$$$$$;$) { |
| 45 | $_[0]->rotate ($_[0], $_[1], $_[2], $_[3] * (3.14159265 / 180)) |
55 | $_[0]->rotate ( |
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56 | $_[1], |
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57 | $_[2], |
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58 | $_[3] * $_[0]->w * .01, |
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59 | $_[4] * $_[0]->h * .01, |
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60 | $_[5] * (3.14159265 / 180), |
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61 | $_[6], |
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|
62 | ) |
| 46 | } |
63 | } |
| 47 | |
64 | |
| 48 | sub blur($$$) { |
65 | sub blur($$$) { |
| 49 | my ($img, $rh, $rv) = @_; |
66 | my ($img, $rh, $rv) = @_; |
| 50 | |
67 | |
| 51 | $img = $img->clone; |
68 | $img = $img->clone; |
| 52 | $img->clone->blur ($rh, $rv); |
69 | $img->blur ($rh, $rv); |
| 53 | $img |
70 | $img |
| 54 | } |
71 | } |
| 55 | |
72 | |
| 56 | sub contrast($$;$$;$) { |
73 | sub contrast($$;$$;$) { |
| 57 | my ($img, $r, $g, $b, $a) = @_; |
74 | my ($img, $r, $g, $b, $a) = @_; |
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|
75 | |
| 58 | ($g, $b) = ($r, $r) if @_ < 4; |
76 | ($g, $b) = ($r, $r) if @_ < 4; |
| 59 | $a = 1 if @_ < 5; |
77 | $a = 1 if @_ < 5; |
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|
78 | |
| 60 | $img = $img->clone; |
79 | $img = $img->clone; |
| 61 | $img->contrast ($r, $g, $b, $a); |
80 | $img->contrast ($r, $g, $b, $a); |
| 62 | $img |
81 | $img |
| 63 | } |
82 | } |
| 64 | |
83 | |
| 65 | sub brightness($$;$$;$) { |
84 | sub brightness($$;$$;$) { |
| 66 | my ($img, $r, $g, $b, $a) = @_; |
85 | my ($img, $r, $g, $b, $a) = @_; |
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86 | |
| 67 | ($g, $b) = ($r, $r) if @_ < 4; |
87 | ($g, $b) = ($r, $r) if @_ < 4; |
| 68 | $a = 1 if @_ < 5; |
88 | $a = 1 if @_ < 5; |
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|
89 | |
| 69 | $img = $img->clone; |
90 | $img = $img->clone; |
| 70 | $img->brightness ($r, $g, $b, $a); |
91 | $img->brightness ($r, $g, $b, $a); |
| 71 | $img |
92 | $img |
| 72 | } |
93 | } |
| 73 | |
94 | |
| 74 | sub left () { $new->{position_sensitive} = 1; $l } |
95 | sub X() { $new->{position_sensitive} = 1; $l } |
| 75 | sub top () { $new->{position_sensitive} = 1; $t } |
96 | sub Y() { $new->{position_sensitive} = 1; $t } |
| 76 | sub width () { $new->{size_sensitive} = 1; $w } |
97 | sub W() { $new->{size_sensitive} = 1; $w } |
| 77 | sub height() { $new->{size_sensitive} = 1; $h } |
98 | sub H() { $new->{size_sensitive} = 1; $h } |
| 78 | |
99 | |
| 79 | sub now() { urxvt::NOW } |
100 | sub now() { urxvt::NOW } |
| 80 | |
101 | |
| 81 | sub again($) { |
102 | sub again($) { |
| 82 | $new->{again} = $_[0]; |
103 | $new->{again} = $_[0]; |
| … | |
… | |
| 96 | |
117 | |
| 97 | # compiles a parsed expression |
118 | # compiles a parsed expression |
| 98 | sub set_expr { |
119 | sub set_expr { |
| 99 | my ($self, $expr) = @_; |
120 | my ($self, $expr) = @_; |
| 100 | |
121 | |
| 101 | local $Data::Dumper::Deparse=1; use Data::Dumper; warn Dumper $expr;#d# |
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|
| 102 | $self->{expr} = $expr; |
122 | $self->{expr} = $expr; |
| 103 | $self->recalculate; |
123 | $self->recalculate; |
| 104 | } |
124 | } |
| 105 | |
125 | |
| 106 | # evaluate the current bg expression |
126 | # evaluate the current bg expression |
| … | |
… | |
| 112 | local $old = $self->{state}; |
132 | local $old = $self->{state}; |
| 113 | local $new = my $state = $self->{state} = {}; |
133 | local $new = my $state = $self->{state} = {}; |
| 114 | |
134 | |
| 115 | ($l, $t, $w, $h) = |
135 | ($l, $t, $w, $h) = |
| 116 | $self->get_geometry; |
136 | $self->get_geometry; |
| 117 | |
|
|
| 118 | warn "$l, $t";#d# |
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|
| 119 | |
137 | |
| 120 | my $img = eval { $self->{expr}->() }; |
138 | my $img = eval { $self->{expr}->() }; |
| 121 | warn $@ if $@;#d# |
139 | warn $@ if $@;#d# |
| 122 | |
140 | |
| 123 | my $repeat; |
141 | my $repeat; |
| … | |
… | |
| 139 | $self->enable (size_change => sub { $_[0]->recalculate }); |
157 | $self->enable (size_change => sub { $_[0]->recalculate }); |
| 140 | } else { |
158 | } else { |
| 141 | $self->disable ("size_change"); |
159 | $self->disable ("size_change"); |
| 142 | } |
160 | } |
| 143 | |
161 | |
| 144 | # TODO: install handlers for geometry changes &c |
162 | $img = $img->sub_rect (0, 0, $w, $h) |
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|
163 | if $img->w != $w || $img->h != $h; |
| 145 | |
164 | |
| 146 | warn $img; |
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| 147 | $self->set_background ($img); |
165 | $self->set_background ($img); |
| 148 | $self->scr_recolour (0); |
166 | $self->scr_recolour (0); |
| 149 | $self->want_refresh; |
167 | $self->want_refresh; |
| 150 | } |
168 | } |
| 151 | |
169 | |
