Hi Andreas,
:-/ I think this feature was already in Magnolia...
If you configure your variation with the attribute
"class=info.magnolia.module.extendedtemplatingkit.imaging.generation.ImageOperationProvidingVariation"
you can then configure an imageOperationChain right in the variation.
The imageOperationChain has the same format as that configured under a
"generator" in the imaging module configuration.
So your variation then looks something like this:
+ variationnode
- class=
info.magnolia.module.extendedtemplatingkit.imaging.generation.ImageOperationProvidingVariation
+ imageOperation
- class=info.magnolia.imaging.operations.ImageOperationChain
+ operations
+ load
...
+ resize
...
+ blur
...
Regards from Vienna,
Richard
-----Ursprüngliche Nachricht-----
Von: [email protected] [mailto:[email protected]]
Im Auftrag von Andreas Antener (via Magnolia Forums)
Gesendet: Donnerstag, 11. Oktober 2012 18:37
An: Magnolia User List
Betreff: [magnolia-user] Image operations per STK variation
Hi all
I created a little extension for image variations so that I'm able to configure
image operations per variation. E.g. adding a blur effect on variation 'teaser'.
The documentation states:
[quote]The imaging module can resize and crop images, overlay text and apply
image filters. These are called image operations. Operations are configured in
/modules/imaging/config/generators or, in the case of STK, in a theme using
variations.[/quote]
http://documentation.magnolia-cms.com/modules/imaging.html#Imageoperations
That sentence probably is somewhat misleading because the only supported
operations on variations are crop/resize. However, the STK image generator
already handles operation chains, so all I did was extending the default
variation class SimpleResizeVariation and used it for configuring more complex
variations:
[code]
@SuppressWarnings("deprecation")
public class ExtendedImageVariation extends SimpleResizeVariation {
private final List<ImageOperation<ParameterProvider<NodeData>>> operations;
public ExtendedImageVariation(final Provider<Site> siteProvider) {
super(siteProvider);
this.operations = new
ArrayList<ImageOperation<ParameterProvider<NodeData>>>();
}
public List<ImageOperation<ParameterProvider<NodeData>>> getOperations() {
return this.operations;
}
public void addOperation(final ImageOperation<ParameterProvider<NodeData>>
operation) {
this.operations.add(operation);
}
@Override
public void init() {
super.init();
final ImageOperationChain<ParameterProvider<NodeData>>
newOperationChain = new ImageOperationChain<ParameterProvider<NodeData>>();
newOperationChain.addOperation(this.getImageOperation());
for (final ImageOperation<ParameterProvider<NodeData>> operation :
this.operations) {
newOperationChain.addOperation(operation);
}
this.setImageOperation(newOperationChain);
}
}
[/code]
Variation configuration example:
- teaser
-- class: ExtendedImageVariation
-- operations
--- blur
---- class: info.magnolia.imaging.operations.BufferedImageOpDelegate
---- delegate
----- class: com.jhlabs.image.BlurFilter
It works the same way like configuring operations for
/modules/imaging/config/generators
Any comments/suggestions? Please tell me if this feature was already present in
Magnolia and I completely missed it ;)
Cheers
Andy
--
Context is everything:
http://forum.magnolia-cms.com/forum/thread.html?threadId=298a796c-7406-4d9e-bd04-4682d3d91666
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