1 | #! perl |
1 | #! perl |
2 | |
2 | |
3 | #:META:X_RESOURCE:%.expr:string:background expression |
3 | #:META:X_RESOURCE:%.expr:string:background expression |
4 | #:META:X_RESOURCE:%.enable:boolean:some boolean |
4 | #:META:X_RESOURCE:%.enable:boolean:some boolean |
5 | #:META:X_RESOURCE:%.extra.*:value:extra config |
5 | #:META:X_RESOURCE:%.extra.:value:extra config |
6 | |
6 | |
7 | our $EXPR = 'move load "/root/pix/das_fette_schwein.jpg", repeat_wrap, X, Y'; |
7 | our $EXPR = 'clip move X, Y, load "MagnoliaAlpha.png"'; |
8 | $EXPR = ' |
8 | #$EXPR = ' |
9 | rotate W, H, 50, 50, counter 1/59.95, repeat_mirror, |
9 | # rotate W, H, 50, 50, counter 1/59.95, repeat_mirror, |
10 | clip X, Y, W, H, repeat_mirror, |
10 | # clip X, Y, W, H, repeat_mirror, |
11 | load "/root/pix/das_fette_schwein.jpg" |
11 | # load "/root/pix/das_fette_schwein.jpg" |
12 | '; |
12 | #'; |
13 | $EXPR = 'solid "red"'; |
13 | #$EXPR = 'solid "red"'; |
14 | #$EXPR = 'blur root, 10, 10' |
14 | #$EXPR = 'blur root, 10, 10' |
15 | #$EXPR = 'blur move (root, -x, -y), 5, 5' |
15 | #$EXPR = 'blur move (root, -x, -y), 5, 5' |
16 | #resize load "/root/pix/das_fette_schwein.jpg", w, h |
16 | #resize load "/root/pix/das_fette_schwein.jpg", w, h |
17 | |
17 | |
18 | use Safe; |
18 | use Safe; |
… | |
… | |
24 | our $MIN_INTERVAL = 1/100; |
24 | our $MIN_INTERVAL = 1/100; |
25 | |
25 | |
26 | { |
26 | { |
27 | package urxvt::bgdsl; # background language |
27 | package urxvt::bgdsl; # background language |
28 | |
28 | |
29 | *repeat_empty = \&urxvt::RepeatNone; |
29 | # *repeat_empty = \&urxvt::RepeatNone; |
30 | *repeat_tile = \&urxvt::RepeatNormal; |
30 | # *repeat_tile = \&urxvt::RepeatNormal; |
31 | *repeat_pad = \&urxvt::RepeatPad; |
31 | # *repeat_pad = \&urxvt::RepeatPad; |
32 | *repeat_mirror = \&urxvt::RepeatReflect; |
32 | # *repeat_mirror = \&urxvt::RepeatReflect; |
33 | |
33 | |
34 | =head2 PROVIDERS/GENERATORS |
34 | =head2 PROVIDERS/GENERATORS |
35 | |
35 | |
36 | =over 4 |
36 | =over 4 |
37 | |
37 | |
… | |
… | |
56 | $img |
56 | $img |
57 | } |
57 | } |
58 | |
58 | |
59 | =back |
59 | =back |
60 | |
60 | |
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61 | =head2 VARIABLES |
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62 | |
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63 | =over 4 |
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64 | |
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65 | =cut |
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66 | |
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67 | sub X() { $new->{position_sensitive} = 1; $l } |
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68 | sub Y() { $new->{position_sensitive} = 1; $t } |
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69 | sub W() { $new->{size_sensitive} = 1; $w } |
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70 | sub H() { $new->{size_sensitive} = 1; $h } |
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71 | |
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72 | sub now() { urxvt::NOW } |
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73 | |
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74 | sub again($) { |
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75 | $new->{again} = $_[0]; |
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76 | } |
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77 | |
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78 | sub counter($) { |
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79 | $new->{again} = $_[0]; |
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80 | $bgdsl_self->{counter} + 0 |
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81 | } |
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82 | |
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83 | =back |
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84 | |
61 | =head2 OPERATORS |
85 | =head2 OPERATORS |
62 | |
86 | |
63 | =over 4 |
87 | =over 4 |
64 | |
88 | |
65 | =cut |
89 | =cut |
66 | |
90 | |
67 | # sub clone($) { |
91 | # sub clone($) { |
68 | # $_[0]->clone |
92 | # $_[0]->clone |
69 | # } |
93 | # } |
70 | |
94 | |
71 | sub clip($$$$$;$) { |
95 | sub clip($;$$;$$) { |
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96 | my $img = pop; |
72 | my $img = pop; |
97 | my $h = pop || H; |
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98 | my $w = pop || W; |
73 | $img->sub_rect ($_[0], $_[1], $_[2], $_[3], $_[4]) |
99 | $img->sub_rect ($_[0], $_[1], $w, $h) |
74 | } |
100 | } |
75 | |
101 | |
76 | sub resize($$$) { |
102 | sub resize($$$) { |
77 | my $img = pop; |
103 | my $img = pop; |
78 | $img->scale ($_[0], $_[1]) |
104 | $img->scale ($_[0], $_[1]) |
79 | } |
105 | } |
80 | |
106 | |
81 | # TODO: ugly |
107 | # TODO: ugly |
82 | sub move($$;$) { |
108 | sub move($$;$) { |
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109 | my $img = pop->clone; |
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110 | $img->move ($_[0], $_[1]); |
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111 | $img |
83 | my $img = pop; |
112 | # my $img = pop; |
84 | $img->sub_rect ( |
113 | # $img->sub_rect ( |
85 | $_[0], $_[1], |
114 | # $_[0], $_[1], |
86 | $img->w, $img->h, |
115 | # $img->w, $img->h, |
87 | $_[2], |
116 | # $_[2], |
88 | ) |
117 | # ) |
89 | } |
118 | } |
90 | |
119 | |
91 | sub rotate($$$$$$;$) { |
120 | sub rotate($$$$$$) { |
92 | my $img = pop; |
121 | my $img = pop; |
93 | $img->rotate ( |
122 | $img->rotate ( |
94 | $_[0], |
123 | $_[0], |
95 | $_[1], |
124 | $_[1], |
96 | $_[2] * $img->w * .01, |
125 | $_[2] * $img->w * .01, |
97 | $_[3] * $img->h * .01, |
126 | $_[3] * $img->h * .01, |
98 | $_[4] * (3.14159265 / 180), |
127 | $_[4] * (3.14159265 / 180), |
99 | $_[5], |
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100 | ) |
128 | ) |
101 | } |
129 | } |
102 | |
130 | |
103 | sub blur($$$) { |
131 | sub blur($$$) { |
104 | my ($rh, $rv, $img) = @_; |
132 | my ($rh, $rv, $img) = @_; |
… | |
… | |
126 | $a = 1 if @_ < 5; |
154 | $a = 1 if @_ < 5; |
127 | |
155 | |
128 | $img = $img->clone; |
156 | $img = $img->clone; |
129 | $img->brightness ($r, $g, $b, $a); |
157 | $img->brightness ($r, $g, $b, $a); |
130 | $img |
158 | $img |
131 | } |
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132 | |
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133 | sub X() { $new->{position_sensitive} = 1; $l } |
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134 | sub Y() { $new->{position_sensitive} = 1; $t } |
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135 | sub W() { $new->{size_sensitive} = 1; $w } |
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136 | sub H() { $new->{size_sensitive} = 1; $h } |
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137 | |
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138 | sub now() { urxvt::NOW } |
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139 | |
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140 | sub again($) { |
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141 | $new->{again} = $_[0]; |
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142 | } |
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143 | |
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144 | sub counter($) { |
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145 | $new->{again} = $_[0]; |
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146 | $bgdsl_self->{counter} + 0 |
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147 | } |
159 | } |
148 | |
160 | |
149 | =back |
161 | =back |
150 | |
162 | |
151 | =cut |
163 | =cut |
… | |
… | |
188 | local $old = $self->{state}; |
200 | local $old = $self->{state}; |
189 | local $new = my $state = $self->{state} = {}; |
201 | local $new = my $state = $self->{state} = {}; |
190 | |
202 | |
191 | ($l, $t, $w, $h) = |
203 | ($l, $t, $w, $h) = |
192 | $self->get_geometry; |
204 | $self->get_geometry; |
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205 | |
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206 | warn "$l,$t,$w,$h\n";#d# |
193 | |
207 | |
194 | # evaluate user expression |
208 | # evaluate user expression |
195 | |
209 | |
196 | my $img = eval { $self->{expr}->() }; |
210 | my $img = eval { $self->{expr}->() }; |
197 | warn $@ if $@;#d# |
211 | warn $@ if $@;#d# |