# Copyright (C) 2003 GraphicsMagick Group
# Copyright (C) 2002 ImageMagick Studio
# Copyright (C) 1998,1999 E. I. du Pont de Nemours and Company
#
# This program is covered by multiple licenses, which are described in
# Copyright.txt. You should have received a copy of Copyright.txt with this
# package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
#

package Graphics::Magick;

# Released Feb. 17, 1997  by Kyle Shorter (magick@wizards.dupont.com)
# Public Domain

use strict;
use Carp;
use vars qw($VERSION @ISA @EXPORT $AUTOLOAD);

require 5.002;
require Exporter;
require DynaLoader;
require AutoLoader;

@ISA = qw(Exporter DynaLoader);
# Items to export into callers namespace by default. Note: do not export
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.
@EXPORT =
  qw(
      Success Transparent Opaque MaxRGB WarningException
      ResourceLimitWarning TypeWarning OptionWarning DelegateWarning
      MissingDelegateWarning CorruptImageWarning FileOpenWarning
      BlobWarning StreamWarning CacheWarning CoderWarning ModuleWarning
      DrawWarning ImageWarning XServerWarning RegistryWarning
      ConfigureWarning ErrorException ResourceLimitError TypeError
      OptionError DelegateError MissingDelegateError CorruptImageError
      FileOpenError BlobError StreamError CacheError CoderError
      ModuleError DrawError ImageError XServerError RegistryError
      ConfigureError FatalErrorException
    );

# This version identifier must match the package version.
$VERSION = '@PACKAGE_VERSION@';

sub AUTOLOAD {
    # This AUTOLOAD is used to 'autoload' constants from the constant()
    # XS function.  If a constant is not found then control is passed
    # to the AUTOLOAD in AutoLoader.

    my $constname;
    ($constname = $AUTOLOAD) =~ s/.*:://;
    my $val = constant($constname, @_ ? $_[0] : 0);
    if ($! != 0) {
	if ($! =~ /Invalid/) {
	    $AutoLoader::AUTOLOAD = $AUTOLOAD;
	    goto &AutoLoader::AUTOLOAD;
	}
	else {
	    my($pack,$file,$line) = caller;
	    die "Your vendor has not defined PerlMagick macro $pack\:\:$constname, used at $file line $line.\n";
	}
    }
    eval "sub $AUTOLOAD { $val }";
    goto &$AUTOLOAD;
}

bootstrap Graphics::Magick $VERSION;

# Preloaded methods go here.

sub new
{
    my $this = shift;
    my $class = ref($this) || $this || "Graphics::Magick";
    my $self = [ ];
    bless $self, $class;
    $self->set(@_) if @_;
    return $self;
}

sub New
{
    my $this = shift;
    my $class = ref($this) || $this || "Graphics::Magick";
    my $self = [ ];
    bless $self, $class;
    $self->set(@_) if @_;
    return $self;
}

# Autoload methods go after =cut, and are processed by the autosplit program.

1;
__END__

=head1 NAME

Graphics::Magick - Perl extension for calling GraphicsMagick's libGraphicsMagick routines

=head1 SYNOPSIS

  use Graphics::Magick;
  p = new Graphics::Magick;
  p->Read("imagefile");
  p->Set(attribute => value, ...)
  ($a, ...) = p->Get("attribute", ...)
  p->routine(parameter => value, ...)
  p->Mogrify("Routine", parameter => value, ...)
  p->Write("filename");

=head1 DESCRIPTION

This Perl extension allows the reading, manipulation and writing of
a large number of image file formats using the GraphicsMagick library.
It was originally developed to be used by CGI scripts for Web pages.

A Web page has been set up for this extension. See:

	http://www.GraphicsMagick.org/www/perl.html

=head1 AUTHOR

Kyle Shorter	magick@wizards.dupont.com

=head1 BUGS

Has all the bugs of GraphicsMagick and much, much more!

=head1 SEE ALSO

perl(1).

=cut
