gimp/tools/pdbgen/pdb/gradient_select.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 pdb_misc {
    $author = $copyright = 'Andy Thomas';
    $date = '1998';
}

sub get_gradient_data {
    $blurb = <<'BLURB';
Retrieve information about the specified gradient (including data).
BLURB

    $help = <<'HELP';
This procedure retrieves information about the gradient. This includes the
gradient name, and the sample data for the gradient.
HELP

    &pdb_misc;

    @inargs = (
	{ name => 'name', type => 'string',
	  desc => 'The gradient name ("" means current active gradient)' },
	{ name => 'sample_size', type => '0 < int32 < 10000',
	  desc => 'The size of the sample to return when the gradient is
		   changed $desc',
	  on_fail => 'sample_size = G_SAMPLE;' }
    );

    @outargs = (
	{ name => 'name', type => 'string',
	  desc => 'The gradient name',
	  alias => 'g_strdup (grad->name)', no_declare => 1 },
	{ name => 'grad_data', type => 'floatarray',
	  desc => 'The gradient sample data',
	  array => { name => 'width',
		     desc => 'The gradient sample width (r,g,b,a)',
		     alias => 'sample_size * 4', no_declare => 1 } }
    );

    %invoke = (
	headers => [ qw("gradient_select.h") ],
	vars => ['gradient_t *grad'],
	code => <<'CODE'
{
  if (name[0] == '\0')
    success = (grad = curr_gradient) != NULL;
  else
    {
      GSList *list;

      success = FALSE;

      list = gradients_list;

      while (list)
	{
	  grad = list->data;

	  if (!strcmp (grad->name, name))
	    {
	      success = TRUE;
	      break;      /* We found it! */
	    }

	  list = list->next;
	}
    }

  if (success)
    {
      gdouble *, 
    }
}
CODE
    );
}

@procs = qw(gradients_get_gradient_data);
%exports = (app => [@procs]);

$desc = 'Gradient UI';

1;