Gimp/tools/pdbgen/pdb/patterns.pdb

# The GIMP -- an image manipulation program
# Copyright (C) 1995 Spencer Kimball and Peter Mattis

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# "Perlized" from C source by Manish Singh <yosh@gimp.org>

sub pattern_arg () {{
    name => 'name',
    type => 'string',
    desc => 'The pattern name',
    null_ok => '1'
}}

sub dim_args () {
    my @args;
    foreach (qw(width height)) {
	push @args, { name => $_, type => 'int32', desc => "The pattern $_" };
    }
    @args;
}

sub pattern_outargs {
    foreach (@outargs) {
	my $alias;
	if ($_->{type} eq 'string') {
	    $alias = "GIMP_OBJECT (pattern)->$_->{name}";
	} else {
	    $alias = "pattern->$_->{name}";
	}
        $alias = "g_strdup ($alias)" if $_->{type} eq 'string';
        $alias =~ s/pattern/pattern->mask/ if $_->{name} =~ /width|height/;
        $_->{alias} = $alias;
        $_->{no_declare} = 1;
    }
}

# The defs

sub patterns_refresh {
    $blurb = 'Refresh current patterns. This function always succeeds.';

    $help = <<'HELP';
This procedure retrieves all patterns currently in the user's pattern path
and updates all pattern dialogs accordingly.
HELP

    $author = $copyright = 'Michael Natterer';
    $date = '2002';

    %invoke = (
	code => <<'CODE'
{
  gimp_data_factory_data_save (gimp->pattern_factory);
  gimp_data_factory_data_init (gimp->pattern_factory, FALSE);
}
CODE
    );
}

sub patterns_get_list {
    $blurb = 'Retrieve a complete listing of the available patterns.';

    $help = <<'HELP';
This procedure returns a complete listing of available GIMP patterns. Each name
returned can be used as input to the 'gimp_context_set_pattern'.
HELP

    &std_pdb_misc;

    @inargs = (
	{ name => 'filter',
          type => 'string', null_ok => 1,
          desc => 'An optional regular expression used to filter the list' }
    );

    @outargs = (
	{ name => 'pattern_list', type => 'stringarray',
	  desc => 'The list of pattern names',
	  array => { name => 'num_patterns',
		     desc => 'The number of patterns in the pattern list' },
	  init => 1 }
    );

    %invoke = (
        headers => [ qw("core/gimpcontainer-filter.h") ],
	code => 'pattern_list = gimp_container_get_filtered_name_array (gimp->pattern_factory->container, filter, &num_patterns);'
    );
}

sub patterns_get_pattern {
    &std_pdb_deprecated ('gimp_context_get_pattern');

    @outargs = (
	&pattern_arg,
	&dim_args,
    );

    &pattern_outargs;

    %invoke = (
	vars => [ 'GimpPattern *pattern' ],
	code => 'success = (pattern = gimp_context_get_pattern (context)) != NULL;'
    );
}

sub patterns_get_pattern_data {
    &std_pdb_deprecated ('gimp_pattern_get_pixels');

    @inargs = (
        &pattern_arg
    );
    $inargs[0]->{desc} = 'The pattern name ("" means currently active pattern)';

    @outargs = (
	&pattern_arg,
	&dim_args,
    );

    &pattern_outargs;

    push @outargs, { name => 'mask_bpp', type => 'int32', init => 1,
		     desc => 'Pattern bytes per pixel',
		     alias => 'pattern->mask->bytes', no_declare => 1 },
		   { name => 'mask_data', type => 'int8array', init => 1,
		     desc => 'The pattern mask data',
		     array => { name => 'length', init => 1,
				desc => 'Length of pattern mask data' } };
    
    %invoke = (
	vars => [ 'GimpPattern *pattern = NULL' ],
	code => <<'CODE'
{
  if (name && strlen (name))
    {
      pattern = (GimpPattern *)
        gimp_container_get_child_by_name (gimp->pattern_factory->container,
                                          name);
    }
  else
    {
      pattern = gimp_context_get_pattern (context);
    }

  if (pattern)
    {
      length = pattern->mask->height * pattern->mask->width *
	       pattern->mask->bytes;
      mask_data = g_memdup (temp_buf_data (pattern->mask), length);
    }
  else
    success = FALSE;
}
CODE
    );
}

@headers = qw(<string.h> "core/gimp.h" "core/gimpcontext.h" "core/gimplist.h"
              "core/gimpdatafactory.h" "core/gimppattern.h" "base/temp-buf.h");

@procs = qw(patterns_refresh patterns_get_list patterns_get_pattern
            patterns_get_pattern_data);
%exports = (app => [@procs], lib => [@procs]);

$desc = 'Patterns';

1;