Re: [magick-users] GraphicsMagick 1.0 Released

Thanks for the heads-up on the Transparent(color => 'cyan') problem.
we will take a look.  The problem could be in the PNG coder, or
perhaps I broke something somewhere in the transparency code.

Bob

On Wed, 7 May 2003, Ron Savage wrote:

> On Tue, 6 May 2003 00:00:07 -0500 (CDT), Bob Friesenhahn wrote:
>
> Hi Folks
>
> >We are happy to announce the release of GraphicsMagick 1.0.  It has
>
> I've run a series of tests on this package, under Win2K:
> 1) Virtually everything I've tested works. Excellent
> 2) The install/help/somewhere mentions Image::Magick in 1 place.
> Minor
> 3) gmdisplay will not reload a file which has been changed. I assume
> it's only checking the file name, and not the file's other
> attributes. Minor
> 4) gmdisplay defaults to *.JPG. Would it be possible to default to
> *.*, or *.PNG? Minor
> 5) I can't get $image -> Transparent(color => 'cyan') to work. I take
> this to mean anything drawn in cyan should be transparent, ie have
> the bkg showing thru. A bit worse than minor.
> Output from identify:
> -----><8-----
> C:\Apache2\htdocs\gm>gm identify -verbose im-hax-transparent-1.png
> Image: im-hax-transparent-1.png
>   Format: PNG (Portable Network Graphics)
>   Geometry: 304x74
>   Class: DirectClass
>   Type: palette with transparency (<- Close, but no cigar)
>   Depth: 8 bits-per-pixel component
>   Colors: 2
>
>      19309: (  0,128,  0,  0)    green
>       3187: (  0,255,255,  0)    aqua
>   Filesize: 951.0
>   Interlace: None
>   Background Color: green
>   Border Color: #DFDFDF00
>   Matte Color: grey74
>   Dispose: Undefined
>   Iterations: 0
>   Compression: Zip
>   signature:
> f7df2b8d1e8090a5607a11cc1c03a04909370f51c95293064b22086e1ccbfaaa
>   Tainted: False
>   User Time: 0.010u
>   Elapsed Time: 0:01
> -----><8-----
> Q: Which color, exactly, is transparent?
> The code:
> -----><8-----
> #!/usr/bin/perl
> #
> # Name:
> #	im-hax-transparent-1.pl.
> #
> # Purpose:
> #	Demonstrate the Transparent method.
> #
> # V 1.03 06-May-2003
> # ------------------
> # o Convert to GraphicsMagick V 1.0 Q8
> #
> # V 1.02 20-Jun-2002
> # ------------------
> # o Output to current directory
> # o Use stroke => 'none', not '#000000'.
> #	You should try both, and other colors too.
> #
> # V 1.01 20-Feb-2002
> # ------------------
> # o Output to same dir as other hax
> # o Put a border round the image
> #
> # V 1.00 1-Oct-2001
> # -----------------
> # o Initial version
> #
> # Test environment:
> #	OS: Win2K
> #	Web server: Apache V 2.0.43
> #	GM: V 1.0
> #
> # Input files:
> #	Generic.ttf
> #
> # Output files:
> #	im-hax-transparent-1.gif
> #
> # Note:
> #	o tab = 4 spaces || die.
> #	o Text reformatted to max 50 chars wide
> #		so source can be converted to PDF
> #
> # Author:
> #	Ron Savage <[email protected]>
> #	http://savage.net.au/ImageMagick.html
> #
> # Licence:
> #	Copyright (c) 1999-2003 Ron Savage
> #
> #	All Programs of mine are
> #	'OSI Certified Open Source Software';
> #	you can redistribute them and/or modify them
> #	under the terms of the Artistic License,
> #	a copy of which is available at:
> #	http://www.opensource.org/licenses/index.html
>
> use strict;
> use warnings;
>
> use Graphics::Magick;
>
> # -----------------------------------------------
>
> my($im_version) = $Graphics::Magick::VERSION;
> print "Graphics::Magick V $im_version. \n";
>
> my($work_dir_name) = '/apache2/htdocs/gm';
>
> chdir($work_dir_name)
> || die("Can't chdir($work_dir_name): $!");
>
> print "Work directory: $work_dir_name. \n";
>
> my($output_file_name)	=
> 	'im-hax-transparent-1.png';
> my($image)				=
> 	Graphics::Magick -> new(size => '300x70');
> # Try 'xc:black' or 'gradation:black-black'.
> my($result)				=
> 	$image -> Read('xc:green');
> warn $result if $result;
>
> $result =
> 	$image -> Transparent(color => 'cyan');
> warn $result if $result;
>
> # stroke => 'none', fill => 'cyan' produces
> # sharper text than stroke => 'black',
> # fill => 'cyan'.
>
> $result = $image -> Annotate
> (
> 	text		=> 'Transparent',
> 	x			=> 10,
> 	y			=> 50,
> 	stroke		=> 'none',
> 	font		=> 'Generic.ttf',
> 	pointsize	=> 40,
> 	fill		=> 'cyan',
> 	antialias	=> 'false',
> );
> warn $result if $result;
>
> $result = $image -> Border
> (
> 	width	=> 2,
> 	height	=> 2,
> 	fill	=> 'cyan',
> );
> warn $result if $result;
>
> $result = $image -> Write($output_file_name);
> warn $result if $result;
> print "Success. Wrote $output_file_name. \n";
> -----><8-----
>
>
> --
> Cheers
> Ron Savage, [email protected] on 07/05/2003
> http://savage.net.au/index.html
>
>
>
> _______________________________________________
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> http://studio.imagemagick.org/mailman/listinfo/magick-users
>

======================================
Bob Friesenhahn
[email protected]
http://www.simplesystems.org/users/bfriesen



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