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https://issues.apache.org/jira/browse/CLEREZZA-232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12878539#action_12878539
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Reto Bachmann-Gmür commented on CLEREZZA-232:
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The current resizing makes the image fir into the specified boundaries. I think
this is a useful feature, as depending on the image adding space in one
dimension is better than cropping.
I've already been discussing that the service to retrieve a thumbnail must be
changed to deliver the smallest representation that doesn't have to be scaled
up (i.e. not scaled or scaled down) in a browser in order to be of the right
size.
For AlternativeRepresentationGenerator I think that the current "fit-into-box"
feature shall still be available, i.e. that proportional resizing shall not
just happen when only one dimension is specified.
So I suggest we have an extended syntax for the format specification to allow
to specified if, and on which sides images shall be cropped. An idea would be
to use + and - signs before specifying a size to indicate crop left/right or
top/bottom respectively.
> org.apache.clerezza.platform.content.representations imageprocessor:
> AlternativeRepresentationGenerator/Imageprocessor should crop images if width
> and height is defined
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CLEREZZA-232
> URL: https://issues.apache.org/jira/browse/CLEREZZA-232
> Project: Clerezza
> Issue Type: Improvement
> Reporter: Tsuyoshi Ito
> Priority: Critical
>
> the service property resolution is defined as:
> Specifies the resolutions of alternative representations in the format
> [width]x[height]. Multiple resolutions are separated by comma (e.g.
> 100x100,30x30) (resolutions)
> What the service does right now is; the images are proportionally resized to
> a thumbnail
> It is necessary for image galleries that images have an exact size (e.g.
> 120x90) therefore the images have to be cropped to generate a thumbnail.
> i suggest the following changes:
> format [width]x[height], if [width] or [height] is "0" than the images will
> be resized proportionally otherwise cropped to the defined size (e.g. 300x0
> := proportionally resized, 120x90 := resized and cropped image to size 120x90)
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