On Thu, Jul 31, 2008 at 05:31:11PM +1000, Anthony Thyssen wrote:
> Bill Moseley on wrote...
> | On Thu, Jul 31, 2008 at 02:01:15PM +1000, Anthony Thyssen wrote:
> | > Create the image using the above then 'Splice()' some extra space below
> | > that with gravity South.
> |
> | I'm close. Below adds the padding, but the background is black,
> | not transparent.
> |
> | $p->Read( @images );
> |
> | $p->Splice(
> | width => 0,
> | height => 50,
> | gravity => 'South',
> | background => 'none',
> | );
> |
> | my $m = $p->Montage(
> | mode => 'Concatenate',
> | tile => '1x',
> | background => 'none',
> | );
> |
> | $m->Write( 'foo.gif' );
> |
> | http://www.imagemagick.org/script/perl-magick.php shows
> | "background" as a possible attribute to Splice.
> |
> | Am I doing something wrong?
> |
> If it is black, you must turn on the alpha/matte channel in the image!
Could you provide code a example? What you say makes sense, but
trying to translate that statement into code using the perl-magick
docs is not working. ;)
There's no alpha or matte option to Montage or Splice.
http://www.imagemagick.org/script/perl-magick.php#montage
http://www.imagemagick.org/script/perl-magick.php#manipulate
There are attributes for setting alpha and matte. So, poking around
in the dark I tried this, with no change:
$p->Read( '1.gif', '2.gif', '3.gif' );
$p->Set( alpha => 'activate' );
$p->Set( matte => 'True' );
$p->Splice(
width => 0,
height => 100,
background => 'none',
);
my $m = $p->Montage(
mode => 'Concatenate',
tile => '1x',
background => 'none',
);
$m->Write( 'foo.gif' );
So, how does the code need to be written to make the spliced padding
transparent?
Thanks,
--
Bill Moseley
[EMAIL PROTECTED]
Sent from my iMutt
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