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From "Julien Gouesse (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IMAGING-138) Provide some Ant tasks to perform image conversions
Date Tue, 29 Jul 2014 08:23:38 GMT

    [ https://issues.apache.org/jira/browse/IMAGING-138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14077514#comment-14077514
] 

Julien Gouesse commented on IMAGING-138:
----------------------------------------

I'm going to make some improvements:
- move the Ant specific code into a separate class so that the Ant agnostic code can be used
without depending on Ant
- when the destination image file is a .icns file, create several images with proper sizes
from the source image file by rescaling it by default
- when the destination image file is a .icns file, accept (optionally) a file set of source
images
- when the source image file is a .icns file, use its biggest image by default instead of
the first one
- add a flag to enable the rescale of source images (true by default) into the Ant agnostic
class and add a setter into the Ant specific class
- add a field indicating the index of the image to pick inside a source .icns file (0 by default,
-1 means it picks the biggest image, -2 means it picks the smallest image) into the Ant agnostic
class and add a setter into the Ant specific class
- add some documentation into these two classes

> Provide some Ant tasks to perform image conversions
> ---------------------------------------------------
>
>                 Key: IMAGING-138
>                 URL: https://issues.apache.org/jira/browse/IMAGING-138
>             Project: Commons Imaging
>          Issue Type: Improvement
>          Components: Format: ICNS, Format: ICO
>            Reporter: Julien Gouesse
>            Priority: Minor
>
> I suggest to add some Ant tasks to perform image conversions into Commons Imaging, especially
from/to formats that aren't supported by any known Java library. I could have written a custom
Ant task for my own project but I think it would be better for this project.
> In my case, I need to convert a PNG image into ICNS in order to use it as a logo for
a Mac application bundle and I use Ant as a build tool. As I don't generate this bundle under
Mac (I'm under Mageia Linux), I can't use Mac build-in tools to create the .icns file and
using external softwares to make the conversion each time I modify the original logo is annoying.
I'll probably have the same problem with .ico files.
> Please indicate how I should modify the Maven pom file in order to compile the custom
tasks and I'll be ready to contribute.



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