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####################################################
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######################## The Image::Mate module
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######################## Created by Lyle Hopkins (Cosmic Networks Ltd).
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######################## Provides easy use of GD, Imager or ImageMagick
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##################################################
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package Image::Mate;
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1
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1
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23779
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use 5.005;
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1
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4
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1
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38
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10
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1
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1
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use strict;
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1
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33
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11
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1
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5
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use warnings;
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1
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7
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1
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35
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12
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1
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5
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use Carp;
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1
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2
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1
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95
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13
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1
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1
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5
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use vars qw(@GMODS %GMODLIST @GMODPREF $GMOD $IMGS @ISA @EXPORT_OK $VERSION);
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1
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2
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229
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15
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BEGIN {
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1
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1
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5
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require Exporter;
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1
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20
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@ISA = qw(Exporter);
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1
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4
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@EXPORT_OK = qw( im_available im_setpref );
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1
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2852
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$VERSION = 0.05;
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} #BEGIN
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$GMOD = "";
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@GMODS = (
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"Imager",
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"GD",
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"Image::Magick",
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);
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%GMODLIST = ();
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29
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foreach my $module (@GMODS) {
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30
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my $exist = &_CheckForModule($module);
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31
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$GMODLIST{$module} = $exist;
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32
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if ($exist) {
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&_LoadModule($module);
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34
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push (@GMODPREF, $module);
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unless ($GMOD) {
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$GMOD = $module;
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37
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} #unless
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38
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} #if
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39
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} #foreach
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41
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42
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##################################################
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43
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######################## Available graphics modules
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44
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##################################################
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45
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46
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sub im_available {
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47
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0
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0
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0
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1
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0
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if ($_[1] eq "hash") {
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48
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0
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0
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return %GMODLIST;
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49
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} #if
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50
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0
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0
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0
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if ($_[1] eq "array") {
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51
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0
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0
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return @GMODPREF;
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52
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} #if
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53
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} #sub
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54
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55
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56
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##################################################
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57
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######################## Set module preference
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58
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##################################################
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59
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60
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sub im_setpref {
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61
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0
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0
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1
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0
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my $name = shift;
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62
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0
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0
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0
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if (scalar(@_) < 1) {
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63
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0
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0
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return "1: Must have at least one preference";
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64
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} #if
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65
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0
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0
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foreach my $module (@_) {
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66
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0
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0
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my $valid = 0;
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67
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0
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0
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foreach my $validmod (@GMODS) {
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68
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0
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0
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0
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$valid = 1 if ($module eq $validmod);
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69
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} #foreach
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70
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0
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0
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0
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croak "Invalid option '$module'" if !$valid;
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71
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} #foreach
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72
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0
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0
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@GMODPREF = @_;
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73
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0
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0
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$GMOD = $_[0];
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74
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0
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0
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return 0;
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75
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} #sub
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76
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77
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78
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##################################################
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79
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######################## Create image object
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80
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##################################################
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81
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82
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sub new {
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83
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0
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0
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1
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0
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my $class = shift;
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84
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0
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0
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my $self = {};
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85
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0
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0
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bless $self,$class;
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86
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0
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0
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my %input = @_;
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87
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88
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## Generate a unique image reference
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89
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0
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0
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my @chars=('A'..'Z','a'..'z',0..9);
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90
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0
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0
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my $imgid = join('',@chars[map{rand @chars}(1..16)]);
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0
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0
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91
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92
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0
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0
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0
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0
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unless ($input{blank} || $input{file}) {
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93
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0
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0
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$@ = "Requires filename or blank image details";
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94
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0
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0
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return undef;
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95
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} #unless
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96
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97
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## Imager
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98
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0
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0
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0
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if ($GMOD eq "Imager") {
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99
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0
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0
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0
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if ($input{blank}) {
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100
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0
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0
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my $bits = 8;
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101
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0
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0
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0
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$bits = 16 if $input{blank}->{c};
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102
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0
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0
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$IMGS->{$imgid} = Imager->new(xsize=>$input{blank}->{x},ysize=>$input{blank}->{y},bits=>$bits);
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103
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0
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0
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0
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unless (ref($IMGS->{$imgid})) {
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104
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0
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0
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croak 'Imager Error creating image';
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105
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} #unless
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106
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0
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0
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$self->{X} = $input{blank}->{x};
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107
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0
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0
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$self->{Y} = $input{blank}->{y};
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108
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} #if
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109
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else {
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110
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0
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0
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$IMGS->{$imgid} = Imager->new;
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111
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0
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0
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0
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$IMGS->{$imgid}->read(file => $input{file}) or croak $IMGS->{$imgid}->errstr;
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112
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0
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0
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$self->{X} = $IMGS->{$imgid}->getwidth();
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113
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0
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0
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$self->{Y} = $IMGS->{$imgid}->getheight();
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114
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} #else
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115
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} #if
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116
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117
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## GD
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118
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0
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0
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0
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if ($GMOD eq "GD") {
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119
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0
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0
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0
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if ($input{blank}) {
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120
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0
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0
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my $truecolour = 0;
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121
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0
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0
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0
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$truecolour = 1 if $input{blank}->{c};
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122
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0
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0
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$IMGS->{$imgid} = GD::Image->new($input{blank}->{x},$input{blank}->{y},$truecolour);
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123
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0
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0
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0
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unless (ref($IMGS->{$imgid})) {
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124
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0
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0
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croak 'Image::Magick Error creating image';
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125
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} #unless
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126
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0
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0
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$self->{X} = $input{blank}->{x};
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127
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0
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0
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$self->{Y} = $input{blank}->{y};
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128
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} #if
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129
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else {
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130
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0
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0
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$IMGS->{$imgid} = GD::Image->new($input{file});
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131
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0
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0
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0
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croak $@ if $@;
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132
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0
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0
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($self->{X},$self->{Y}) = $IMGS->{$imgid}->getBounds()
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133
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} #else
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134
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} #if
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135
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136
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## Image::Magick
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137
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0
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0
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0
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if ($GMOD eq "Image::Magick") {
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138
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0
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0
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0
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if ($input{blank}) {
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139
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0
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0
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0
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if ($input{blank}->{c}) {
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140
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0
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0
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$IMGS->{$imgid} = Image::Magick->new(size=>"$input{blank}->{x}x$input{blank}->{y}", type=>'TrueColor');
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141
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} #if
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142
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else {
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143
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0
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0
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$IMGS->{$imgid} = Image::Magick->new(size=>"$input{blank}->{x}x$input{blank}->{y}");
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144
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} #else
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145
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0
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0
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0
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unless (ref($IMGS->{$imgid})) {
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146
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0
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0
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croak 'Image::Magick Error creating image';
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147
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} #unless
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148
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0
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0
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$self->{X} = $input{blank}->{x};
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149
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0
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0
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$self->{Y} = $input{blank}->{y};
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150
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0
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0
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my $x = $IMGS->{$imgid}->ReadImage('xc:white');
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151
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0
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0
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0
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croak $x if $x;
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152
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} #if
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153
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else {
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154
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0
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0
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$IMGS->{$imgid} = Image::Magick->new;
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155
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0
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0
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my $error = $IMGS->{$imgid}->Read($input{file});
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156
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0
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0
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0
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croak $error if $error;
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157
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0
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0
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0
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($self->{X},$self->{Y}) = $IMGS->{$imgid}->Get('width','height') or croak 'Image::Magick Cannot get width and height';
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158
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} #else
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159
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} #if
|
160
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161
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0
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0
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$self->{IMGID} = $imgid;
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162
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163
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0
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0
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return $self;
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164
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} ## End sub
|
165
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|
166
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|
|
167
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##################################################
|
168
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######################## Colour whole image
|
169
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##################################################
|
170
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171
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sub fillall {
|
172
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0
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|
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0
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1
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0
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my $self=shift;
|
173
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0
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0
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|
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0
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unless ($self->{IMGID}) {
|
174
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0
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|
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|
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0
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$self->{ERROR}='No image';
|
175
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0
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|
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0
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return undef;
|
176
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|
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} #unless
|
177
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0
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|
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0
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my %input = @_;
|
178
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|
179
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## Imager
|
180
|
0
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0
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|
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0
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if ($GMOD eq "Imager") {
|
181
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0
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0
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0
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$IMGS->{$self->{IMGID}}->box(filled => 1, color => $input{c}) or croak $IMGS->{$self->{IMGID}}->errstr;
|
182
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|
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} #if
|
183
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|
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184
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## GD
|
185
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0
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0
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|
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0
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if ($GMOD eq "GD") {
|
186
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0
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|
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0
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my $colour = &_MakeGDColour($self->{IMGID},$input{c});
|
187
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0
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|
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|
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0
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$IMGS->{$self->{IMGID}}->filledRectangle(0,0,$self->{X}-1,$self->{Y}-1,$colour);
|
188
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0
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0
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|
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0
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croak $@ if $@;
|
189
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|
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|
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} #if
|
190
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|
|
|
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|
|
|
191
|
|
|
|
|
|
|
## Image::Magick
|
192
|
0
|
0
|
|
|
|
0
|
if ($GMOD eq "Image::Magick") {
|
193
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0
|
|
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|
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0
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my $error = $IMGS->{$self->{IMGID}}->Colorize(fill => $input{c});
|
194
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0
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0
|
|
|
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0
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croak $error if $error;
|
195
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|
|
|
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|
|
} #if
|
196
|
0
|
|
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|
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0
|
return $self;
|
197
|
|
|
|
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|
|
} #sub
|
198
|
|
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|
|
|
|
|
199
|
|
|
|
|
|
|
|
200
|
|
|
|
|
|
|
##################################################
|
201
|
|
|
|
|
|
|
######################## Draw line in image
|
202
|
|
|
|
|
|
|
##################################################
|
203
|
|
|
|
|
|
|
|
204
|
|
|
|
|
|
|
sub line {
|
205
|
0
|
|
|
0
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1
|
0
|
my $self=shift;
|
206
|
0
|
0
|
|
|
|
0
|
unless ($self->{IMGID}) {
|
207
|
0
|
|
|
|
|
0
|
$self->{ERROR}='No image';
|
208
|
0
|
|
|
|
|
0
|
return undef;
|
209
|
|
|
|
|
|
|
} #unless
|
210
|
0
|
|
|
|
|
0
|
my %input = @_;
|
211
|
|
|
|
|
|
|
|
212
|
|
|
|
|
|
|
## Imager
|
213
|
0
|
0
|
|
|
|
0
|
if ($GMOD eq "Imager") {
|
214
|
0
|
0
|
|
|
|
0
|
$IMGS->{$self->{IMGID}}->line(color=>$input{c}, x1=>$input{start}->{x}, x2=>$input{end}->{x}, y1=>$input{start}->{y}, y2=>$input{end}->{y}, aa=>1, endp=>1 ) or croak $IMGS->{$self->{IMGID}}->errstr;
|
215
|
|
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|
|
|
|
} #if
|
216
|
|
|
|
|
|
|
|
217
|
|
|
|
|
|
|
## GD
|
218
|
0
|
0
|
|
|
|
0
|
if ($GMOD eq "GD") {
|
219
|
0
|
0
|
|
|
|
0
|
$IMGS->{$self->{IMGID}}->setThickness($input{thick}) if $input{thick};
|
220
|
0
|
|
|
|
|
0
|
my $colour = &_MakeGDColour($self->{IMGID},$input{c});
|
221
|
0
|
|
|
|
|
0
|
$IMGS->{$self->{IMGID}}->line($input{start}->{x},$input{start}->{y},$input{end}->{x},$input{end}->{y},$colour);
|
222
|
0
|
0
|
|
|
|
0
|
croak $@ if $@;
|
223
|
0
|
0
|
|
|
|
0
|
$IMGS->{$self->{IMGID}}->setThickness(1) if ($input{thick});
|
224
|
|
|
|
|
|
|
} #if
|
225
|
|
|
|
|
|
|
|
226
|
|
|
|
|
|
|
## Image::Magick
|
227
|
0
|
0
|
|
|
|
0
|
if ($GMOD eq "Image::Magick") {
|
228
|
0
|
0
|
|
|
|
0
|
$input{thick} = 1 unless $input{thick};
|
229
|
0
|
|
|
|
|
0
|
my $error = $IMGS->{$self->{IMGID}}->Draw(stroke=>$input{c}, primitive=>'line', points=>"$input{start}->{x},$input{start}->{y} $input{end}->{x},$input{end}->{y}", strokewidth=>$input{thick});
|
230
|
0
|
0
|
|
|
|
0
|
croak $error if $error;
|
231
|
|
|
|
|
|
|
} #if
|
232
|
0
|
|
|
|
|
0
|
return $self;
|
233
|
|
|
|
|
|
|
} ## End sub
|
234
|
|
|
|
|
|
|
|
235
|
|
|
|
|
|
|
|
236
|
|
|
|
|
|
|
##################################################
|
237
|
|
|
|
|
|
|
######################## Save image
|
238
|
|
|
|
|
|
|
##################################################
|
239
|
|
|
|
|
|
|
|
240
|
|
|
|
|
|
|
sub save {
|
241
|
0
|
|
|
0
|
1
|
0
|
my $self=shift;
|
242
|
0
|
0
|
|
|
|
0
|
croak 'No image!' unless $self->{IMGID};
|
243
|
0
|
|
|
|
|
0
|
my %input = @_;
|
244
|
0
|
0
|
0
|
|
|
0
|
croak 'File exists!' if (-e "$input{filename}" && !$input{overwrite});
|
245
|
|
|
|
|
|
|
|
246
|
|
|
|
|
|
|
## Imager
|
247
|
0
|
0
|
|
|
|
0
|
if ($GMOD eq "Imager") {
|
248
|
0
|
0
|
|
|
|
0
|
if ($input{type} eq "gif") {
|
|
|
0
|
|
|
|
|
|
249
|
0
|
0
|
|
|
|
0
|
$IMGS->{$self->{IMGID}}->write(file => $input{filename}, type => $input{type}) or croak $IMGS->{$self->{IMGID}}->errstr;
|
250
|
|
|
|
|
|
|
} #if
|
251
|
|
|
|
|
|
|
elsif ($input{type} eq "png") {
|
252
|
0
|
0
|
|
|
|
0
|
$IMGS->{$self->{IMGID}}->write(file => $input{filename}) or croak $IMGS->{$self->{IMGID}}->errstr;
|
253
|
|
|
|
|
|
|
} #elsif
|
254
|
|
|
|
|
|
|
else {
|
255
|
0
|
|
|
|
|
0
|
$input{type} = "jpeg";
|
256
|
0
|
0
|
|
|
|
0
|
if ($input{'quality'}) {
|
257
|
0
|
0
|
|
|
|
0
|
$IMGS->{$self->{IMGID}}->write(file => $input{filename}, type => $input{type}, jpegquality=>$input{'quality'}) or croak $IMGS->{$self->{IMGID}}->errstr;
|
258
|
|
|
|
|
|
|
} #if
|
259
|
|
|
|
|
|
|
else {
|
260
|
0
|
0
|
|
|
|
0
|
$IMGS->{$self->{IMGID}}->write(file => $input{filename}, type => $input{type}) or croak $IMGS->{$self->{IMGID}}->errstr;
|
261
|
|
|
|
|
|
|
} #else
|
262
|
|
|
|
|
|
|
} #else
|
263
|
|
|
|
|
|
|
} #if
|
264
|
|
|
|
|
|
|
|
265
|
|
|
|
|
|
|
## GD
|
266
|
0
|
0
|
|
|
|
0
|
if ($GMOD eq "GD") {
|
267
|
0
|
|
|
|
|
0
|
open (OUTF, ">$input{filename}");
|
268
|
0
|
|
|
|
|
0
|
binmode OUTF;
|
269
|
0
|
0
|
|
|
|
0
|
if ($input{type} eq "gif") {
|
|
|
0
|
|
|
|
|
|
270
|
0
|
|
|
|
|
0
|
print OUTF $IMGS->{$self->{IMGID}}->gif();
|
271
|
0
|
0
|
|
|
|
0
|
croak $@ if $@;
|
272
|
|
|
|
|
|
|
} #if
|
273
|
|
|
|
|
|
|
elsif ($input{type} eq "png") {
|
274
|
0
|
0
|
|
|
|
0
|
if ($input{'compression'}) {
|
275
|
0
|
|
|
|
|
0
|
print OUTF $IMGS->{$self->{IMGID}}->png([$input{compression}]);
|
276
|
0
|
0
|
|
|
|
0
|
croak $@ if $@;
|
277
|
|
|
|
|
|
|
} #if
|
278
|
|
|
|
|
|
|
else {
|
279
|
0
|
|
|
|
|
0
|
print OUTF $IMGS->{$self->{IMGID}}->png();
|
280
|
0
|
0
|
|
|
|
0
|
croak $@ if $@;
|
281
|
|
|
|
|
|
|
} #else
|
282
|
|
|
|
|
|
|
} #if
|
283
|
|
|
|
|
|
|
else {
|
284
|
0
|
0
|
|
|
|
0
|
if ($input{'quality'}) {
|
285
|
0
|
|
|
|
|
0
|
print OUTF $IMGS->{$self->{IMGID}}->jpeg([$input{quality}]);
|
286
|
0
|
0
|
|
|
|
0
|
croak $@ if $@;
|
287
|
|
|
|
|
|
|
} #if
|
288
|
|
|
|
|
|
|
else {
|
289
|
0
|
|
|
|
|
0
|
print OUTF $IMGS->{$self->{IMGID}}->jpeg();
|
290
|
0
|
0
|
|
|
|
0
|
croak $@ if $@;
|
291
|
|
|
|
|
|
|
} #else
|
292
|
|
|
|
|
|
|
} #else
|
293
|
0
|
|
|
|
|
0
|
close(OUTF);
|
294
|
|
|
|
|
|
|
} #if
|
295
|
|
|
|
|
|
|
|
296
|
|
|
|
|
|
|
## Image::Magick
|
297
|
0
|
0
|
|
|
|
0
|
if ($GMOD eq "Image::Magick") {
|
298
|
0
|
0
|
|
|
|
0
|
if ($input{type} eq "gif") {
|
|
|
0
|
|
|
|
|
|
299
|
0
|
|
|
|
|
0
|
my $error = $IMGS->{$self->{IMGID}}->Write($input{filename});
|
300
|
0
|
0
|
|
|
|
0
|
croak $error if $error;
|
301
|
|
|
|
|
|
|
} #if
|
302
|
|
|
|
|
|
|
elsif ($input{type} eq "png") {
|
303
|
0
|
0
|
|
|
|
0
|
if ($input{'compression'}) {
|
304
|
0
|
|
|
|
|
0
|
my @compression = qw( None BZip Fax Group4 JPEG JPEG2000 LosslessJPEG LZW RLE Zip );
|
305
|
0
|
|
|
|
|
0
|
my $error = $IMGS->{$self->{IMGID}}->Write(filename => $input{filename}, compression => $compression[ $input{'compression'} ]);
|
306
|
0
|
0
|
|
|
|
0
|
croak $error if $error;
|
307
|
|
|
|
|
|
|
} #if
|
308
|
|
|
|
|
|
|
else {
|
309
|
0
|
|
|
|
|
0
|
my $error = $IMGS->{$self->{IMGID}}->Write(filename => $input{filename});
|
310
|
0
|
0
|
|
|
|
0
|
croak $error if $error;
|
311
|
|
|
|
|
|
|
} #else
|
312
|
|
|
|
|
|
|
} #elsif
|
313
|
|
|
|
|
|
|
else {
|
314
|
0
|
0
|
|
|
|
0
|
if ($input{'quality'}) {
|
315
|
0
|
|
|
|
|
0
|
my $error = $IMGS->{$self->{IMGID}}->Write(filename => $input{filename}, quality => $input{'quality'});
|
316
|
0
|
0
|
|
|
|
0
|
croak $error if $error;
|
317
|
|
|
|
|
|
|
} #if
|
318
|
|
|
|
|
|
|
else {
|
319
|
0
|
|
|
|
|
0
|
my $x = $IMGS->{$self->{IMGID}}->Set(magick => 'JPEG');
|
320
|
0
|
0
|
|
|
|
0
|
croak $x if $x;
|
321
|
0
|
|
|
|
|
0
|
my $error = $IMGS->{$self->{IMGID}}->Write(filename => $input{filename});
|
322
|
0
|
0
|
|
|
|
0
|
croak $error if $error;
|
323
|
|
|
|
|
|
|
} #else
|
324
|
|
|
|
|
|
|
} #else
|
325
|
|
|
|
|
|
|
} #if
|
326
|
0
|
|
|
|
|
0
|
return $self;
|
327
|
|
|
|
|
|
|
} ## End sub
|
328
|
|
|
|
|
|
|
|
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
##################################################
|
332
|
|
|
|
|
|
|
######################## Make GD colour
|
333
|
|
|
|
|
|
|
##################################################
|
334
|
|
|
|
|
|
|
|
335
|
|
|
|
|
|
|
sub _MakeGDColour {
|
336
|
0
|
|
|
0
|
|
0
|
my ($imgid, $colour) = @_;
|
337
|
0
|
|
|
|
|
0
|
$colour =~ s/\#//;
|
338
|
0
|
|
|
|
|
0
|
$colour =~ /([0-1a-f][0-1a-f])([0-1a-f][0-1a-f])([0-1a-f][0-1a-f])/i;
|
339
|
0
|
|
|
|
|
0
|
my $gdcolour = $IMGS->{$imgid}->colorAllocate(hex($1),hex($2),hex($3));
|
340
|
|
|
|
|
|
|
} #sub
|
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
|
343
|
|
|
|
|
|
|
##################################################
|
344
|
|
|
|
|
|
|
######################## Load Module
|
345
|
|
|
|
|
|
|
##################################################
|
346
|
|
|
|
|
|
|
|
347
|
|
|
|
|
|
|
sub _LoadModule {
|
348
|
0
|
|
|
0
|
|
0
|
my $module = $_[0];
|
349
|
0
|
|
|
|
|
0
|
my $loadok = 1;
|
350
|
|
|
|
|
|
|
package main;
|
351
|
0
|
|
|
|
|
0
|
eval "require $module";
|
352
|
0
|
0
|
|
|
|
0
|
if ($@) {
|
353
|
|
|
|
|
|
|
package Image::Mate;
|
354
|
0
|
|
|
|
|
0
|
$loadok = 0;
|
355
|
|
|
|
|
|
|
package main;
|
356
|
|
|
|
|
|
|
} #if
|
357
|
|
|
|
|
|
|
else {
|
358
|
0
|
|
|
|
|
0
|
$module->import(@_[1 .. $#_]);
|
359
|
|
|
|
|
|
|
} #else
|
360
|
|
|
|
|
|
|
package Image::Mate;
|
361
|
0
|
|
|
|
|
0
|
return $loadok;
|
362
|
|
|
|
|
|
|
} #sub
|
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
##################################################
|
366
|
|
|
|
|
|
|
######################## Check for module
|
367
|
|
|
|
|
|
|
##################################################
|
368
|
|
|
|
|
|
|
|
369
|
|
|
|
|
|
|
sub _CheckForModule {
|
370
|
3
|
|
|
3
|
|
4
|
my $modulename = $_[0];
|
371
|
3
|
|
|
|
|
5
|
my $modulefound = 0;
|
372
|
3
|
|
|
|
|
9
|
$modulename =~ s/::/\//gis;
|
373
|
3
|
|
|
|
|
7
|
foreach my $modulepath (@INC) {
|
374
|
30
|
50
|
|
|
|
880
|
$modulefound = 1 if (-e "$modulepath/$modulename.pm");
|
375
|
|
|
|
|
|
|
} #foreach
|
376
|
3
|
|
|
|
|
7
|
return $modulefound;
|
377
|
|
|
|
|
|
|
} #sub
|
378
|
|
|
|
|
|
|
|
379
|
|
|
|
|
|
|
|
380
|
|
|
|
|
|
|
|
381
|
|
|
|
|
|
|
|
382
|
|
|
|
|
|
|
|
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
##################################################
|
385
|
|
|
|
|
|
|
######################## Clean Up
|
386
|
|
|
|
|
|
|
##################################################
|
387
|
|
|
|
|
|
|
|
388
|
|
|
|
|
|
|
#END {
|
389
|
|
|
|
|
|
|
# foreach my $imgid (keys %$IMGS) {
|
390
|
|
|
|
|
|
|
# &DESTROY($imgid);
|
391
|
|
|
|
|
|
|
# } #foreach
|
392
|
|
|
|
|
|
|
#} #END
|
393
|
|
|
|
|
|
|
|
394
|
|
|
|
|
|
|
#sub DESTROY {
|
395
|
|
|
|
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# my $imgid=shift;
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396
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# if (defined($IMGS->{$imgid})) {
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397
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# undef($IMGS->{$imgid});
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398
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# } #if
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399
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#} #sub
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400
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401
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402
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403
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404
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405
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406
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407
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408
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=head1 NAME
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409
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410
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Image::Mate - Interface to Gd, Imager, ImageMagick modules
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411
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412
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=head1 VERSION
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413
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414
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This document refers to Image::Mate.pm version 0.05
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415
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416
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=head1 SYNOPSIS
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417
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418
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use Image::Mate;
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419
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420
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# Get available graphics modules
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421
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my %list = &Image::Mate->im_available("hash");
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422
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423
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# Set new preference list
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424
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my $error = &Image::Mate->im_setpref("Imager","GD","Image::Magick");
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425
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426
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# create a new image
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427
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$img = Image::Mate->new(blank => {x => 100, y => 100, c => 1});
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428
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$img = Image::Mate->new(file => "image.jpg");
|
429
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|
430
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# colour the whole image red
|
431
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$img->fillall(c => "#ff0000");
|
432
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433
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# draw a black line in the image
|
434
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$img->line(c => "#000000", start => {x => 0, y => 0}, end => {x => 10, y => 10});
|
435
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|
436
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|
# save image
|
437
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$img->save(filename => "picture.jpg", type => "jpg", quality => 90);
|
438
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|
439
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|
=head1 DESCRIPTION
|
440
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|
441
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B is an interface to the Perl GD, Imager and ImageMagick
|
442
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modules. Theoretically you'll be able to code the same image routines no
|
443
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|
matter which of the before mentioned modules you have available. Very useful
|
444
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if your scripts can end up on all different kinds of servers and you never
|
445
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|
know what image modules are available.
|
446
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|
447
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|
=head1 ROUTINES
|
448
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|
449
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Here are the routines.
|
450
|
|
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|
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|
451
|
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|
=over 1
|
452
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|
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|
453
|
|
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|
|
=item B<$error = Image::Mate-Eim_available(["array","hash"])>
|
454
|
|
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|
|
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|
455
|
|
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|
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|
|
This method returns a list of what graphics modules are available. List can be in the form of a hash
|
456
|
|
|
|
|
|
|
listing all modules with either a 1 or 0 value. Or an array listing only those available. NOTE: If
|
457
|
|
|
|
|
|
|
you run setpref before this routine then the array returned by this method will only contain what
|
458
|
|
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|
|
|
|
you set. This routine can be exported the local namespace using use Image::Mate qw( im_available );
|
459
|
|
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|
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|
460
|
|
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|
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|
|
=item B<$error = Image::Mate-Eim_setpref(LIST)>
|
461
|
|
|
|
|
|
|
|
462
|
|
|
|
|
|
|
This method allows you to set the preference list of which graphics modules you should use first.
|
463
|
|
|
|
|
|
|
The default is "Imager","GD","Image::Magick". If successful 0 will be returned, otherwise it'll be
|
464
|
|
|
|
|
|
|
an error code with descriptive error. You cannot set modules that are not available. If you are
|
465
|
|
|
|
|
|
|
unsure what graphics modules you have available run Image::Mate->available first.
|
466
|
|
|
|
|
|
|
This routine can be exported the local namespace using use Image::Mate qw( im_setpref );
|
467
|
|
|
|
|
|
|
|
468
|
|
|
|
|
|
|
=item B<$img = Image::Mate-Enew(blank => {x => 100, y => 100, c => 1])>
|
469
|
|
|
|
|
|
|
=item B<$img = Image::Mate-Enew(file => "image.jpg")>
|
470
|
|
|
|
|
|
|
|
471
|
|
|
|
|
|
|
Returns an image object. If there was an error with creating this object it will be in $img->{ERROR}.
|
472
|
|
|
|
|
|
|
"c" can have the value of 0 or 1. 0 for stand colour (usually 8bit) or 1 for high colour (usually 16bit).
|
473
|
|
|
|
|
|
|
|
474
|
|
|
|
|
|
|
=item B<$img = Image::Mate-Efillall(c => "#FFFFFF")>
|
475
|
|
|
|
|
|
|
|
476
|
|
|
|
|
|
|
Fills the whole image with the set colour.
|
477
|
|
|
|
|
|
|
|
478
|
|
|
|
|
|
|
=item B<$img->line(c => "#000000", start => {x => 0, y => 0}, end => {x => 10, y => 10})>
|
479
|
|
|
|
|
|
|
|
480
|
|
|
|
|
|
|
Draws a line from start x,y point to end x,y point of colour c.
|
481
|
|
|
|
|
|
|
|
482
|
|
|
|
|
|
|
=item B<$img->save(filename => "FILENAME", type => "TYPE", quality => QUALITY, compression => COMPRESSION)>
|
483
|
|
|
|
|
|
|
|
484
|
|
|
|
|
|
|
Saves the image to a file. Supported types are GIF, PNG, and JPG, default is JPG.
|
485
|
|
|
|
|
|
|
For JPG you can define QUALITY as 0-100 (100 best quality, 0 worest). For PNG you can define
|
486
|
|
|
|
|
|
|
COMPRESSION as 0-9 (0 best quality, 9 worest).
|
487
|
|
|
|
|
|
|
|
488
|
|
|
|
|
|
|
=back
|
489
|
|
|
|
|
|
|
|
490
|
|
|
|
|
|
|
=head1 Obtaining the GD, Imager and Image::Magick perl modules
|
491
|
|
|
|
|
|
|
|
492
|
|
|
|
|
|
|
They are all available on CPAN. Just run a search http://search.cpan.org
|
493
|
|
|
|
|
|
|
As long as you have any one of these modules installed Image::Mate will work.
|
494
|
|
|
|
|
|
|
|
495
|
|
|
|
|
|
|
On linux I recommend using the CPAN module. Type "perl -MCPAN -e shell;" from
|
496
|
|
|
|
|
|
|
your shell. (If this is the first time you've ran the CPAN module you'll have to
|
497
|
|
|
|
|
|
|
go through a little config first, but don't worry this is menu driven). Then type either
|
498
|
|
|
|
|
|
|
(or all):-
|
499
|
|
|
|
|
|
|
install Imager
|
500
|
|
|
|
|
|
|
install GD
|
501
|
|
|
|
|
|
|
install Image::Magick
|
502
|
|
|
|
|
|
|
|
503
|
|
|
|
|
|
|
On Windows your are probably using ActivePerl from ActiveState (which I also recommend). Use their ppm
|
504
|
|
|
|
|
|
|
utility, from the command prompt type:-
|
505
|
|
|
|
|
|
|
ppm install http://ppd.develop-help.com/ppd/Imager.ppd
|
506
|
|
|
|
|
|
|
ppm install http://theoryx5.uwinnipeg.ca/ppms/GD.ppd
|
507
|
|
|
|
|
|
|
ppm install http://www.bribes.org/perl/ppm/Image-Magick.ppd
|
508
|
|
|
|
|
|
|
|
509
|
|
|
|
|
|
|
Unfortunately, ActiveStates automatic build machine does not include the necessary modules to build
|
510
|
|
|
|
|
|
|
Imager, GD and Image::Magick, so they are not available from their default repository.
|
511
|
|
|
|
|
|
|
|
512
|
|
|
|
|
|
|
=head1 BUGS AND LIMITATIONS
|
513
|
|
|
|
|
|
|
|
514
|
|
|
|
|
|
|
This is the first release and distinctly lacking in features :(
|
515
|
|
|
|
|
|
|
Although I'll be adding new features as time goes on :)
|
516
|
|
|
|
|
|
|
Hopefully others will also add new functions as well :D
|
517
|
|
|
|
|
|
|
|
518
|
|
|
|
|
|
|
=head1 AUTHOR
|
519
|
|
|
|
|
|
|
|
520
|
|
|
|
|
|
|
The Image::Mate interface is copyright 2007, Lyle Raymond Hopkins. It is
|
521
|
|
|
|
|
|
|
distributed under the same terms as Perl itself. See the "Artistic
|
522
|
|
|
|
|
|
|
License" in the Perl source code distribution for licensing terms.
|
523
|
|
|
|
|
|
|
|
524
|
|
|
|
|
|
|
I welcome other programmers to submit new features to this module!!
|
525
|
|
|
|
|
|
|
|
526
|
|
|
|
|
|
|
=head1 SEE ALSO
|
527
|
|
|
|
|
|
|
|
528
|
|
|
|
|
|
|
L,
|
529
|
|
|
|
|
|
|
L,
|
530
|
|
|
|
|
|
|
L
|
531
|
|
|
|
|
|
|
|
532
|
|
|
|
|
|
|
=cut
|
533
|
|
|
|
|
|
|
|
534
|
|
|
|
|
|
|
1;
|
535
|
|
|
|
|
|
|
|
536
|
|
|
|
|
|
|
__END__
|