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| 1 |  |  |  |  |  |  | package Image::TextMode::Format::XBin; | 
| 2 |  |  |  |  |  |  |  | 
| 3 | 3 |  |  | 3 |  | 4219 | use Moose; | 
|  | 0 |  |  |  |  |  |  | 
|  | 0 |  |  |  |  |  |  | 
| 4 |  |  |  |  |  |  |  | 
| 5 |  |  |  |  |  |  | # Flag byte constants | 
| 6 |  |  |  |  |  |  | my $FLAG_PALETTE          = 1; | 
| 7 |  |  |  |  |  |  | my $FLAG_FONT             = 2; | 
| 8 |  |  |  |  |  |  | my $FLAG_COMPRESSED       = 4; | 
| 9 |  |  |  |  |  |  | my $FLAG_NON_BLINK        = 8; | 
| 10 |  |  |  |  |  |  | my $FLAG_FIVETWELVE_CHARS = 16; | 
| 11 |  |  |  |  |  |  |  | 
| 12 |  |  |  |  |  |  | extends 'Image::TextMode::Format', 'Image::TextMode::Canvas'; | 
| 13 |  |  |  |  |  |  |  | 
| 14 |  |  |  |  |  |  | has 'header' => ( | 
| 15 |  |  |  |  |  |  | is      => 'rw', | 
| 16 |  |  |  |  |  |  | isa     => 'HashRef', | 
| 17 |  |  |  |  |  |  | default => sub { | 
| 18 |  |  |  |  |  |  | {   id      => 'XBIN', | 
| 19 |  |  |  |  |  |  | eofchar => chr( 26 ), | 
| 20 |  |  |  |  |  |  | map { $_ => 0 } qw( width height fontsize flags ) | 
| 21 |  |  |  |  |  |  | }; | 
| 22 |  |  |  |  |  |  | } | 
| 23 |  |  |  |  |  |  | ); | 
| 24 |  |  |  |  |  |  |  | 
| 25 |  |  |  |  |  |  | sub has_palette { | 
| 26 |  |  |  |  |  |  | shift->header->{ flags } & $FLAG_PALETTE; | 
| 27 |  |  |  |  |  |  | } | 
| 28 |  |  |  |  |  |  |  | 
| 29 |  |  |  |  |  |  | sub has_font { | 
| 30 |  |  |  |  |  |  | shift->header->{ flags } & $FLAG_FONT; | 
| 31 |  |  |  |  |  |  | } | 
| 32 |  |  |  |  |  |  |  | 
| 33 |  |  |  |  |  |  | sub is_compressed { | 
| 34 |  |  |  |  |  |  | shift->header->{ flags } & $FLAG_COMPRESSED; | 
| 35 |  |  |  |  |  |  | } | 
| 36 |  |  |  |  |  |  |  | 
| 37 |  |  |  |  |  |  | sub is_non_blink { | 
| 38 |  |  |  |  |  |  | shift->header->{ flags } & $FLAG_NON_BLINK; | 
| 39 |  |  |  |  |  |  | } | 
| 40 |  |  |  |  |  |  |  | 
| 41 |  |  |  |  |  |  | sub has_fivetwelve_chars { | 
| 42 |  |  |  |  |  |  | shift->header->{ flags } & $FLAG_FIVETWELVE_CHARS; | 
| 43 |  |  |  |  |  |  | } | 
| 44 |  |  |  |  |  |  |  | 
| 45 |  |  |  |  |  |  | sub extensions { return 'xb', 'xbin' } | 
| 46 |  |  |  |  |  |  |  | 
| 47 |  |  |  |  |  |  | no Moose; | 
| 48 |  |  |  |  |  |  |  | 
| 49 |  |  |  |  |  |  | __PACKAGE__->meta->make_immutable; | 
| 50 |  |  |  |  |  |  |  | 
| 51 |  |  |  |  |  |  | =head1 NAME | 
| 52 |  |  |  |  |  |  |  | 
| 53 |  |  |  |  |  |  | Image::TextMode::Format::XBin - read and write XBin files | 
| 54 |  |  |  |  |  |  |  | 
| 55 |  |  |  |  |  |  | =head1 DESCRIPTION | 
| 56 |  |  |  |  |  |  |  | 
| 57 |  |  |  |  |  |  | XBin stands for "eXtended BIN" -- an extention to the normal raw-image BIN files. | 
| 58 |  |  |  |  |  |  |  | 
| 59 |  |  |  |  |  |  | XBin features: | 
| 60 |  |  |  |  |  |  |  | 
| 61 |  |  |  |  |  |  | =over 4 | 
| 62 |  |  |  |  |  |  |  | 
| 63 |  |  |  |  |  |  | =item * allows for binary images up to 65536 columns wide, and 65536 lines high | 
| 64 |  |  |  |  |  |  |  | 
| 65 |  |  |  |  |  |  | =item * can have an alternate set of palette colors either in blink or in non-blink mode | 
| 66 |  |  |  |  |  |  |  | 
| 67 |  |  |  |  |  |  | =item * can have different textmode fonts from 1 to 32 scanlines high, consisting of either 256 or 512 different characters | 
| 68 |  |  |  |  |  |  |  | 
| 69 |  |  |  |  |  |  | =item * can be compressed | 
| 70 |  |  |  |  |  |  |  | 
| 71 |  |  |  |  |  |  | =back | 
| 72 |  |  |  |  |  |  |  | 
| 73 |  |  |  |  |  |  | XBin file stucture: | 
| 74 |  |  |  |  |  |  |  | 
| 75 |  |  |  |  |  |  | +------------+ | 
| 76 |  |  |  |  |  |  | | Header     | | 
| 77 |  |  |  |  |  |  | +------------+ | 
| 78 |  |  |  |  |  |  | | Palette    | | 
| 79 |  |  |  |  |  |  | +------------+ | 
| 80 |  |  |  |  |  |  | | Font       | | 
| 81 |  |  |  |  |  |  | +------------+ | 
| 82 |  |  |  |  |  |  | | Image Data | | 
| 83 |  |  |  |  |  |  | +------------+ | 
| 84 |  |  |  |  |  |  |  | 
| 85 |  |  |  |  |  |  | Note, the only required element is a header. See the XBin specs for for information. | 
| 86 |  |  |  |  |  |  | http://www.acid.org/info/xbin/xbin.htm | 
| 87 |  |  |  |  |  |  |  | 
| 88 |  |  |  |  |  |  | =head1 ACCESSORS | 
| 89 |  |  |  |  |  |  |  | 
| 90 |  |  |  |  |  |  | =over 4 | 
| 91 |  |  |  |  |  |  |  | 
| 92 |  |  |  |  |  |  | =item * header - A header hashref containing an id, width, height, font size and any extra flags | 
| 93 |  |  |  |  |  |  |  | 
| 94 |  |  |  |  |  |  | =back | 
| 95 |  |  |  |  |  |  |  | 
| 96 |  |  |  |  |  |  | =head1 METHODS | 
| 97 |  |  |  |  |  |  |  | 
| 98 |  |  |  |  |  |  | =head2 new( %args ) | 
| 99 |  |  |  |  |  |  |  | 
| 100 |  |  |  |  |  |  | Creates a XBin instance. | 
| 101 |  |  |  |  |  |  |  | 
| 102 |  |  |  |  |  |  | =head2 has_palette( ) | 
| 103 |  |  |  |  |  |  |  | 
| 104 |  |  |  |  |  |  | Retrieves palette status from the flag byte in the header. | 
| 105 |  |  |  |  |  |  |  | 
| 106 |  |  |  |  |  |  | =head2 has_font( ) | 
| 107 |  |  |  |  |  |  |  | 
| 108 |  |  |  |  |  |  | Retrieves font status from the flag byte in the header. | 
| 109 |  |  |  |  |  |  |  | 
| 110 |  |  |  |  |  |  | =head2 is_compressed( ) | 
| 111 |  |  |  |  |  |  |  | 
| 112 |  |  |  |  |  |  | Retrieves compressed status from the flag byte in the header. | 
| 113 |  |  |  |  |  |  |  | 
| 114 |  |  |  |  |  |  | =head2 is_non_blink( ) | 
| 115 |  |  |  |  |  |  |  | 
| 116 |  |  |  |  |  |  | Retrieves non-blink status from the flag byte in the header. | 
| 117 |  |  |  |  |  |  |  | 
| 118 |  |  |  |  |  |  | =head2 has_fivetwelve_chars( ) | 
| 119 |  |  |  |  |  |  |  | 
| 120 |  |  |  |  |  |  | Retrieves 512 character font status from the flag byte in the header. | 
| 121 |  |  |  |  |  |  |  | 
| 122 |  |  |  |  |  |  | =head2 extensions( ) | 
| 123 |  |  |  |  |  |  |  | 
| 124 |  |  |  |  |  |  | Returns 'xb', 'xbin'. | 
| 125 |  |  |  |  |  |  |  | 
| 126 |  |  |  |  |  |  | =head1 AUTHOR | 
| 127 |  |  |  |  |  |  |  | 
| 128 |  |  |  |  |  |  | Brian Cassidy E<lt>bricas@cpan.orgE<gt> | 
| 129 |  |  |  |  |  |  |  | 
| 130 |  |  |  |  |  |  | =head1 COPYRIGHT AND LICENSE | 
| 131 |  |  |  |  |  |  |  | 
| 132 |  |  |  |  |  |  | Copyright 2008-2013 by Brian Cassidy | 
| 133 |  |  |  |  |  |  |  | 
| 134 |  |  |  |  |  |  | This library is free software; you can redistribute it and/or modify | 
| 135 |  |  |  |  |  |  | it under the same terms as Perl itself. | 
| 136 |  |  |  |  |  |  |  | 
| 137 |  |  |  |  |  |  | =cut | 
| 138 |  |  |  |  |  |  |  | 
| 139 |  |  |  |  |  |  | 1; |