Custom image filter

Author Message

Joanna Grzegorczyk

Monday 26 January 2009 5:45:15 am

GD have some predefined filters such as:

geometry/scalewidth
geometry/scaleheight
geometry/scaledownonly
geometry/scalewidthdownonly

Do you know how to add new image filter that will be processed by GD without modifing kernel class?

What I want to do is to crop an image based on coordinates that are stored as image object attributes.

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Noicokuna Niemoge

Monday 26 January 2009 6:55:16 am

If I remember correctly, there's an extension called ezcrop...

http://projects.ez.no/ezcrop/(language)/eng-GB

Maybe it will be helpful?

Shiki soku ze ku...

Joanna Grzegorczyk

Tuesday 27 January 2009 1:11:58 am

The problem is that I also need the original image, that's why I wanted to make different image aliases.

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Michael Fürst

Wednesday 28 January 2009 4:26:07 am

Do you have the image.ini.append.php File in your Site Settings? There you are able to declare Images Classes and use them in your template file.

For example (INI File):
---------------------------------
[articleimage140x100]
Reference=
Filters[]
Filters[]=geometry/scaleheight=120
Filters[]=geometry/scalewidth=140
Filters[]=geometry/crop=140;120;0;10

Usage in Template:
------------------------------
{attribute_view_gui attribute=$valid_nodes.data_map.photos.data_map.image title=$imageTitle alt=$imageAlt image_class='articleimage140x100'}

But I don't know if this works without ezFlow Extension..

Ciao,
Mike

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