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From Peter Sparkes <pe...@didm.co.uk>
Subject IMAGEOP Block
Date Wed, 17 Sep 2014 10:31:20 GMT
Hi

Cocoon 2.1.12

I can't get scale and resize function in the imageop block to work on cocoon 2.1.12.

I have the following working

  * Display image with original size and colour
  * Tint image various colour


Miguel has been kindly helping me, but he uses cocoon 2.2. Miguel has it working on 2.2, see
below.

Please, has anyone got imageop scale and resize working on 2.1.12?

Thanks

Peter



On 17/09/2014 07:11, Miguel wrote:
> I've done some test and modulo in cocoon 2.2 project works fine. I describe step by step:
>
> a) Include dependency into pom file of my project:
>
> <dependency>
>       <groupId>org.apache.cocoon</groupId>
>       <artifactId>cocoon-imageop-impl</artifactId>
>       <version>1.0.0-SNAPSHOT</version>
> </dependency>
>
> b) Include test map:match into sitemap.xmap:
>
> <map:match pattern="prueba/*/scale-*-*">
>         <map:read type="image-op-scale" src="themer/themes/common/images/{1}">
>           <map:parameter name="scale-scale" value="{2}" />
>           <map:parameter name="output-format" value="{3}" />
>         </map:read>
>       </map:match>
>
>       <map:match pattern="prueba/*/resize-*-*">
>         <map:read type="image-op-resize" src="themer/themes/common/images/{1}">
>           <map:parameter name="size-width" value="{2}" />
>           <map:parameter name="size-height" value="{3}" />
>         </map:read>
>       </map:match>
>
> "themer/themes/common/images/" is the route to my images's folder
>
> c) start my project and I test:
>
> * http://localhost:8080/prueba/audio.gif/scale-2.5-jpg
> * http://localhost:8080/prueba/audio.gif/resize-100-50
>
> All works fine.
>
>
> El 16/09/2014 22:27, Peter Sparkes escribió:
>> Hi Miguel,
>>
>> My java is not good enough debug the block imageop to see what parameters's value
arrive to class
>>
>> However as
>>
>>   * Display image with original size and colour
>>   * Tint image various colour
>>
>> are working I assume there is access to image.
>>
>> http://cocoon.zones.apache.org/cocoon22/cocoon-imageop-sample/ also gives errors
on resize (scalling)
>>
>> Peter
>>
>>
>>
>> On 16/09/2014 13:52, Miguel wrote:
>>> Hi Peter
>>>
>>>   It seems that there isn't access to image or similar error to read it.
>>> I advise you debug the block imageop to see what parameters's value arrive to
class.
>>>
>>>
>>> This block has only three bugs, and all are fixed, so I think module must works.
>>> https://issues.apache.org/jira/browse/COCOON/component/12311751/?selectedTab=com.atlassian.jira.jira-projects-plugin:component-summary-panel
>>>
>>>
>>>
>>> El 16/09/2014 14:03, Peter Sparkes escribió:
>>>> I am using the Samples block on cocoon 2.1.12
>>>>
>>>> ...//samples/blocks/imageop/logo2.png/resize-50-50 gives the following error:
>>>>
>>>> java.awt.image.ImagingOpException: Unable to transform src image
>>>>
>>>> Cocoon stacktrace[hide]
>>>>
>>>> *Failed to process reader*
>>>> context://samples/blocks/imageop/sitemap.xmap - 46:53 	/<map:read type="image-op-resize">/
>>>> context://samples/blocks/sitemap.xmap - 67:68 	/<map:mount>/
>>>> context://samples/sitemap.xmap - 198:66 	/<map:mount>/
>>>> context://sitemap.xmap - 1086:92 	/<map:mount>/
>>>>
>>>>
>>>> Java stacktrace[hide]
>>>>
>>>> java.awt.image.ImagingOpException: Unable to transform src image
>>>> 	at java.awt.image.AffineTransformOp.filter(AffineTransformOp.java:357)
>>>> 	at org.apache.cocoon.reading.imageop.ResizeOperation.apply(ResizeOperation.java:96)
>>>> 	at org.apache.cocoon.reading.imageop.ImageOpReader.applyEffectsStack(ImageOpReader.java:193)
>>>> 	at org.apache.cocoon.reading.imageop.ImageOpReader.processStream(ImageOpReader.java:123)
>>>> 	at org.apache.cocoon.reading.ResourceReader.generate(ResourceReader.java:332)
>>>>
>>>>
>>>>
>>>> On 16/09/2014 12:36, Miguel wrote:
>>>>> Have you checked dependencies?
>>>>> Have you tried to use block: cocoon-imageop-sample?
>>>>> Can you show error message when you use transformer?
>>>>>
>>>>>
>>>>> El 16/09/2014 13:14, Peter Sparkes escribió:
>>>>>> Hi Miguel,
>>>>>>
>>>>>> I have implemented imageop, however, the only samples that work are:
>>>>>>
>>>>>>   * Display image with original size and colour
>>>>>>   * Tint image various colour
>>>>>>
>>>>>> I get "Unable to transform src image" for
>>>>>>
>>>>>>   * Image scaling
>>>>>>   * Image resize
>>>>>>
>>>>>> Any ideas how to get scaling and resizing working
>>>>>>
>>>>>> Best wishes
>>>>>>
>>>>>> Peter
>>>>>>
>>>>>>
>>>>>> On 16/09/2014 07:34, Peter Sparkes wrote:
>>>>>>> Thank you Miguel
>>>>>>>
>>>>>>> Peter
>>>>>>>
>>>>>>> On 16/09/2014 07:08, Miguel wrote:
>>>>>>>> Hi Peter
>>>>>>>>
>>>>>>>>     block imageop-samples exist for cocoon 2.1, and you can
download in: 
>>>>>>>> http://svn.apache.org/repos/asf/cocoon/tags/cocoon-2.1/RELEASE_2_1_12/src/blocks/imageop
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> El 15/09/2014 15:57, Peter Sparkes escribió:
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> Thank you all for your replies.
>>>>>>>>>
>>>>>>>>> As I believe it will be the easiest to implement, I am
going to try imgscalr.
>>>>>>>>>
>>>>>>>>> However, As I am using cocoon 2.1, Is there a way of
using 
>>>>>>>>> http://cocoon.zones.apache.org/cocoon22/cocoon-imageop-sample/
in cocoon 2.1
>>>>>>>>>
>>>>>>>>> Best wishes
>>>>>>>>>
>>>>>>>>> Peter
>>>>>>>>>
>>>>>>>>> On 12/09/2014 06:59, Miguel wrote:
>>>>>>>>>> Hi Peter r
>>>>>>>>>>
>>>>>>>>>>     You can find examples to manage images in Cocoon:

>>>>>>>>>> http://cocoon.zones.apache.org/cocoon22/cocoon-imageop-sample/
>>>>>>>>>>
>>>>>>>>>> Best regards
>>>>>>>>>
>>>>>>>>> On 11/09/2014 16:07, Sandor Szatmari wrote:
>>>>>>>>>> I use JAI to dynamically resize images for my site.
 There are lot of examples if you 
>>>>>>>>>> google 'JAI image resize'.  I store higher res images
and downscale them on the fly to 
>>>>>>>>>> the right size for the context they will be used
in.  I wrote a plain old servlet to do 
>>>>>>>>>> it, but I'm sure it could be done in cocoon too.
>>>>>>>>>>
>>>>>>>>>> Sandor
>>>>>>>>>>
>>>>>>>>>> On Sep 11, 2014, at 10:38, Javier Puerto <jpuerto@gmail.com
<mailto:jpuerto@gmail.com>> 
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi Peter,
>>>>>>>>>>>
>>>>>>>>>>> If you can use ImageMagick, you can try with:
http://im4java.sourceforge.net/
>>>>>>>>>>>
>>>>>>>>>>> 2014-09-11 16:27 GMT+02:00 Edward David <edavid@ucalgary.ca
<mailto:edavid@ucalgary.ca>>:
>>>>>>>>>>>
>>>>>>>>>>>     Peter,
>>>>>>>>>>>     There are numerous image resizer programs
out there.
>>>>>>>>>>>     Check out this Free Picture Resizer at
>>>>>>>>>>>     http://download.cnet.com/Free-Picture-Resizer/3000-12511_4-10297789.html
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>     Thanks,
>>>>>>>>>>>     ___________________
>>>>>>>>>>>     Edward David
>>>>>>>>>>>     Information Technologies Services,
>>>>>>>>>>>     Libraries and Cultural Resources,
>>>>>>>>>>>     The University of Calgary
>>>>>>>>>>>     Phone: (403) 220-3383 <tel:%28403%29%20220-3383>
>>>>>>>>>>>     Fax: (403) 282-1218 <tel:%28403%29%20282-1218>
>>>>>>>>>>>
>>>>>>>>>>>     -----Original Message-----
>>>>>>>>>>>     From: Peter Sparkes [mailto:peter@didm.co.uk
<mailto:peter@didm.co.uk>]
>>>>>>>>>>>     Sent: September-11-14 8:23 AM
>>>>>>>>>>>     To: users@cocoon.apache.org <mailto:users@cocoon.apache.org>
>> Cocoon users
>>>>>>>>>>>     Subject: Resize images
>>>>>>>>>>>
>>>>>>>>>>>     Hi,
>>>>>>>>>>>
>>>>>>>>>>>     I currently have a cocoon application which
enables the site owner to upload images
>>>>>>>>>>>     and then within the upload javascript uses
java to move the images to the required
>>>>>>>>>>>     directory.
>>>>>>>>>>>
>>>>>>>>>>>     Most of the uploaded images are large and
therefore they are  slow in displaying in
>>>>>>>>>>>     a web page.
>>>>>>>>>>>
>>>>>>>>>>>     I, therefore, wish to resize them before
saving them.
>>>>>>>>>>>
>>>>>>>>>>>     I am not sure how to do it.
>>>>>>>>>>>
>>>>>>>>>>>     Please, can anyone help
>>>>>>>>>>>
>>>>>>>>>>>     Thanks
>>>>>>>>>>>
>>>>>>>>>>>     Peter
>>>>>>>>>>>
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>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
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>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
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>>>>
>>>
>>>
>>>
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>
>
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