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package MTools::GUI::MTexture;
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU LGPL Libray 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library 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,
# or refer to http://www.gnu.org/copyleft/lgpl.html
#
##################################################################
# Permet d'appliquer un texture a un objet
# Parametres :
# * parent : pere de l'objet.
# * target : group zinc ou MTools destine a contenir les images de texture
# * pattern : nom d'un fichier image ou objet MTools.
use strict;
use MTools;
use MTools::GUI::MGroup;
use MTools::GUI::MImage;
use MTools::GUI::MClip;
use vars qw / @ISA /;
BEGIN
{
@ISA = qw /MTools::GUI::MGroup/;
}
sub new {
my ($class, $parent, $target, $pattern) = @_;
my $self = new MTools::GUI::MGroup ($parent);
bless $self, $class;
chggroup ($target, $self);
my ($img_w, $img_h, $offset_x, $offset_y);
if (ref($pattern) eq '') {
my $image = new MTools::GUI::MImage ($self, $pattern);
my @bb = bbox ($image);
$img_w = $bb [2] - $bb [0];
$img_h = $bb [3] - $bb [1];
mdelete ($image);
} else {
my @bb = bbox ($pattern);
$img_w = $bb [2] - $bb [0];
$img_h = $bb [3] - $bb [1];
$offset_x = -$bb [0];
$offset_y = -$bb [1];
}
my @bb = bbox ($target);
my $w = $bb [2] - $bb [0];
my $h = $bb [3] - $bb [1];
$offset_x += $bb [0];
$offset_y += $bb [1];
my @images_list;
my $image;
for (my $x = 0; $x < $w; $x += $img_w)
{
for (my $y = 0; $y < $h; $y += $img_h)
{
if (ref($pattern) eq '') {
$image = new MTools::GUI::MImage ($self, $pattern);
} else {
$image = clone($pattern);
chggroup($image, $self);
}
translate ($image, $x + $offset_x, $y + $offset_y);
push @images_list, $image;
}
}
my $clip = clone ($target);
mconfigure ($clip, -visible => 0);
if (type ($clip) eq 'group') {
my $texture = new MTools::GUI::MGroup($self);
foreach (@images_list) {
chggroup($_, $texture);
}
foreach ($zinc->find('withtag', ".$clip*")) {
if (type ($_) ne 'group') {
mconfigure ($_, -visible => 0);
new MTools::GUI::MClip (clone($texture), $_);
}
}
mdelete($texture);
} else {
new MTools::GUI::MClip ($self, $clip);
}
return $self;
}
1;
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