[wp-trac] [WordPress Trac] #7151: Separate Large and Full image sizes, related improvements

[WordPress Trac]

#7151: Separate Large and Full image sizes, related improvements
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 Reporter:  tellyworth   |       Owner:  anonymous
     Type:  enhancement  |      Status:  new      
 Priority:  normal       |   Milestone:  2.6      
Component:  General      |     Version:           
 Severity:  normal       |    Keywords:  has-patch
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 Currently the intermediate image sizes available for inserting into a post
 are Thumbnail, Medium and Full Size.  Full Size is misleading because,
 although it uses the original sized image, it will scale it down with the
 img width and height to fit the theme's content width (if set).  That can
 be overridden by the user by dragging the resize anchors in the image
 editor but it's annoying and doesn't really fit the definition of "full"
 size.

 This patch adds an extra "large" size option.  The new sizes with brief
 use cases are:

 * Thumbnail, as before, for galleries and similar

 * Medium, as before, for use as a small inset image in a text article

 * Large, constrained to 1024 pixels or the theme's content width (if set),
 whichever is smaller, for normal use as a big featured image

 * Full Size, the original image at its full dimensions with no content
 width constraint, for photobloggers and people who really need a big image

 I also made some minor improvements:

 * The exact image dimensions are displayed with each size radio button
 (e.g. "Medium (400 × 265)")

 * Radio buttons are only enabled for sizes that actually exist.  There
 won't be a Large option if there is no large version of that image, for
 example.  Full Size is always available.

 * Large size width and height constraints can be set on the Settings /
 Misc tab

 * Fixed a bug where image_downsize() didn't always respect $content_width
 (resulting in a medium image being bigger than a large/full sized one in
 some cases)

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Ticket URL: <http://trac.wordpress.org/ticket/7151>
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