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1 | #!/usr/bin/env perl |
2 | # |
3 | # testcolor.pl |
4 | # |
5 | # Copyright (C) 2005 David J. Goehrig <dgoehrig@cpan.org> |
6 | # |
7 | # ------------------------------------------------------------------------------ |
8 | # |
9 | # This library is free software; you can redistribute it and/or |
10 | # modify it under the terms of the GNU Lesser General Public |
11 | # License as published by the Free Software Foundation; either |
12 | # version 2.1 of the License, or (at your option) any later version. |
13 | # |
14 | # This library is distributed in the hope that it will be useful, |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | # Lesser General Public License for more details. |
18 | # |
19 | # You should have received a copy of the GNU Lesser General Public |
20 | # License along with this library; if not, write to the Free Software |
21 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
22 | # |
23 | # ------------------------------------------------------------------------------ |
24 | # |
25 | # Please feel free to send questions, suggestions or improvements to: |
26 | # |
27 | # David J. Goehrig |
28 | # dgoehrig@cpan.org |
29 | # |
30 | |
31 | use SDL; |
32 | use SDL::App; |
33 | use SDL::Event; |
34 | |
35 | use vars qw/ $app /; |
36 | |
37 | print STDERR <<USAGE; |
38 | Right click on any pixel to get its color values |
39 | Left click on any pixel to set its value to the last selected |
40 | USAGE |
41 | |
42 | SDL::Init(SDL_INIT_ALL); |
43 | |
44 | $app = new SDL::App -width => 320, -height => 240, -depth => 8; |
45 | |
46 | my %colors = ( |
47 | red => (new SDL::Color -r => 255, -g => 0, -b => 0 ), |
48 | green => (new SDL::Color -r => 0, -g => 255, -b => 0), |
49 | blue => (new SDL::Color -r => 0, -g => 0, -b => 255), |
50 | yellow => (new SDL::Color -r => 255, -g => 255, -b => 0), |
51 | purple => (new SDL::Color -r => 255, -g => 0, -b => 255), |
52 | white => (new SDL::Color -r => 255, -g => 255, -b => 255) |
53 | ); |
54 | |
55 | |
56 | $x = 0; $y = 0; |
57 | $rect = new SDL::Rect -x => $x, -y => $y, |
58 | -w => $app->width / scalar(keys %colors), -h => $app->height(); |
59 | |
60 | print "Sorted colors:\n"; |
61 | |
62 | for ( sort keys %colors ) { |
63 | print "$_ " . join (",",$colors{$_}->r(), $colors{$_}->g(), |
64 | $colors{$_}->b()) . "\n"; |
65 | } |
66 | |
67 | for ( sort keys %colors ) { |
68 | $rect->x($x); |
69 | $x += $rect->width(); |
70 | $app->fill($rect,$colors{$_}); |
71 | } |
72 | |
73 | $app->sync(); |
74 | |
75 | $last = new SDL::Color -r => 128, -g => 128, -b => 128; |
76 | |
77 | $app->sync(); |
78 | $app->loop( { |
79 | SDL_QUIT() => sub { exit(0); }, |
80 | SDL_KEYDOWN() => sub { $app->fullscreen(); }, |
81 | SDL_MOUSEBUTTONDOWN() => sub { |
82 | my $e = shift; |
83 | if ($e->button == 3) { |
84 | $last = $app->pixel($e->button_x(),$e->button_y()); |
85 | print STDERR "X: ", $e->button_x(), " Y: ", $e->button_y(), |
86 | " R: ", $last->r(), " G: ", $last->g(), |
87 | " B: ", $last->b(), "\n"; |
88 | } else { |
89 | $app->pixel($e->button_x(),$e->button_y(),$last); |
90 | } |
91 | }, |
92 | }); |