Hai,
I am using Imagemagick 6.3.3 Q16 in C API and i am working on WINDOWS
XP.Iam Trying to display image using MagickDisplayImage().But i am
unable to
know about X server.Actually wat it is and wat we shud give in place of
that.Can u suggest me.i am stuck in that for past 1 week.Thanks in Advance
On 4/11/07, [EMAIL PROTECTED] <
[EMAIL PROTECTED]> wrote:
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Today's Topics:
1. ImageInfo's setQuality doesnt seems to work (Martin Oligny)
2. jpeg2000 (Roman Yaker)
3. perlmagick to check jpeg2000 integrity (Roman Yaker)
4. Re: JPG compression levels (Yuval Levy)
5. -transparent on a range (Christoph P. Kukulies)
6. Re: -transparent on a range ([EMAIL PROTECTED])
7. ImageInfo's setQuality doesnt seems to work (Martin Oligny)
----------------------------------------------------------------------
Message: 1
Date: Mon, 9 Apr 2007 15:16:44 -0400
From: "Martin Oligny" <[EMAIL PROTECTED]>
Subject: [magick-users] ImageInfo's setQuality doesnt seems to work
To: <[email protected]>
Message-ID:
<
[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
Hi,
I'm using Jmagick for ImageMagick 6.1.8
I'm tryin to lower the quality of a jpg, without altering its size. My
guess is what i did in that snippet, without success :
wImage = new MagickImage();
wImage.blobToImage( wInfo, wOut.toByteArray() );
wImage.setMagick( wMagick );
wImage.setCompression(CompressionType.JPEGCompression);
wImage.profileImage("*", null);
wImage.enhanceImage();
wInfo.setCompression(CompressionType.JPEGCompression);
wInfo.setQuality(10);
return wImage.imageToBlob( wInfo );
I've been able to apply many modification to the jpg with success, but
'just' setting a different quality doesnt seems to work; The result is
the same, in file size and human eye analysis.
Am i doing something wrong? Is the feature bugged? Why setQuality on
ImageInfo and not on MagickImage?
Thanks a lot!
Mart.
------------------------------
Message: 2
Date: Mon, 9 Apr 2007 15:13:12 -0500
From: "Roman Yaker" <[EMAIL PROTECTED]>
Subject: [magick-users] jpeg2000
To: <[email protected]>
Message-ID:
<[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
Hi,
I am trying to verify the integrity of a jpeg2000 lossless file.
Can this be achieved using perlMagick, and if so, how?
Thank you in advance,
Roman
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------------------------------
Message: 3
Date: Mon, 9 Apr 2007 15:42:18 -0500
From: "Roman Yaker" <[EMAIL PROTECTED]>
Subject: [magick-users] perlmagick to check jpeg2000 integrity
To: <[email protected]>
Message-ID:
<[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
I found that there is an attribute in the Get() method, called format.
This attribute returns the format of the file.
The format may be jp2, gif, etc.
I was wondering if anyone knows whether or not it uses the headers or
meta information to find this out, or whether it actually checks the
compression itself, which would be more substantial.
We are seeking to find in a list of files, those that may be corrupt or
partial jpeg2000's
Thanks,
Roman
This message may contain confidential, proprietary, and/or privileged
information and is
intended only for the individual named. If you are not the named or
intended addressee you
may not disseminate, distribute or copy this e-mail. Please notify the
sender immediately
by e-mail if you have received this e-mail by mistake and delete this
e-mail from your system.
E-mail transmission cannot be guaranteed to be secure or error-free as
information could be
intercepted, corrupted, lost, destroyed, arrive late or incomplete, or
contain viruses. The
sender therefore does not accept liability for any errors or omissions
related to the
transmission of this email or the contents of this email message. If
verification or receipt
of delivery is required please request a hard-copy version of this email
transmission.
Emageon, 1200 Corporate Drive, Suite 200, Birmingham, AL 35242
http://www.emageon.com
------------------------------
Message: 4
Date: Tue, 10 Apr 2007 10:04:32 -0400
From: Yuval Levy <[EMAIL PROTECTED]>
Subject: Re: [magick-users] JPG compression levels
To: Wolfgang Hugemann <[EMAIL PROTECTED]>, Anthony Thyssen
<[EMAIL PROTECTED]>
Cc: [email protected]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=ISO-8859-1
Thank you, Anthony and Wolfgang. I solved the issue.
Wolfgang Hugemann wrote:
> There is a really nice visualisation of the single steps in JPEG Com
> pression (deplorably only in German, but you'll get through it, I guess)
> at http://www.spemaus.de/studium/visjpeg/applet.html
wow! amazing! i have not gone through all of it but it is of excellent
educational value (and it gave me a chance to refresh my Deutsch).
Anthony Thyssen wrote:
> | specifically I would like the edges of an image to not be compressed
> | at all.
> |
> I dodn't even know that was posible with the JPEG format!
> I doubt IM convert (which calls the libjpeg library) will do that.
the solution:
* produce two versions of the same image with ImageMagick, one at
quality 100 and the other at quality 60
* use jpegtran to crop the q60, shaving off 8 pixels on each side
* use jpegtran to merge the q60 on top of the q100
* use jpegtran to merge to a stripe
results and details at <http://www.photopla.net/wwp0703/stripes.php>
Greetings from Quebec
Yuv
------------------------------
Message: 5
Date: Tue, 10 Apr 2007 16:43:56 +0200
From: "Christoph P. Kukulies" <[EMAIL PROTECTED]>
Subject: [magick-users] -transparent on a range
To: [email protected]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=iso-8859-1
When making a gif transparent, e.g.
mogrify -transparent white image.gif
it would be sometimes desirable to specify a range for the rgb-value
to be take for transparency. E.g. you have a jpg which has some
interpolation
in the white areas so that #fefeff and #ffffff are there but should be
counted
being white. Is there such as an option?
--
Chris Christoph P. U. Kukulies kuku_at_kukulies.org
------------------------------
Message: 6
Date: Tue, 10 Apr 2007 10:08:22 -0700
From: [EMAIL PROTECTED]
Subject: Re: [magick-users] -transparent on a range
To: [EMAIL PROTECTED], [email protected]
Message-ID: <[EMAIL PROTECTED]>
> it would be sometimes desirable to specify a range for the rgb-value
Use -fuzz. The range is about the transparent color you specify.
------------------------------
Message: 7
Date: Tue, 10 Apr 2007 13:40:35 -0400
From: "Martin Oligny" <[EMAIL PROTECTED]>
Subject: [magick-users] ImageInfo's setQuality doesnt seems to work
To: <[email protected]>
Message-ID:
<
[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
Hi,
I'm using Jmagick for ImageMagick 6.1.8
I'm tryin to lower the quality of a jpg, without altering its size. My
guess is what i did in that snippet, without success :
wImage = new MagickImage();
wImage.blobToImage( wInfo, wOut.toByteArray() );
wImage.setMagick( wMagick );
wImage.setCompression(CompressionType.JPEGCompression);
wImage.profileImage("*", null);
wImage.enhanceImage();
wInfo.setCompression(CompressionType.JPEGCompression);
wInfo.setQuality(10);
return wImage.imageToBlob( wInfo );
I've been able to apply many modification to the jpg with success, but
'just' setting a different quality doesnt seems to work; The result is
the same, in file size and human eye analysis.
Am i doing something wrong? Is the feature bugged? Why setQuality on
ImageInfo and not on MagickImage?
Thanks a lot!
Mart.
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