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[CSS3 Backgrounds] border-radius open issues: clipping and gradients

From: fantasai <fantasai.lists@inkedblade.net>
Date: Thu, 29 Nov 2007 23:10:18 -0500
Message-ID: <474F8D2A.102@inkedblade.net>
To: www-style@w3.org

For the issues
   "Border images specified with 'border-image', however, are clipped at the
    outer edge of the curve. Or are they not affected at all?"
and
   "Mention that background images are clipped at the outer edge or the rounded
    corner."

  I suggest that border-image not be affected at all. If the author wants that
  clipped, he can do it in the image editing program. Not clipping it ourselves
  lets him use border-radius as a fallback for a more complicated silhouette.

  Suggested edits:

  I recently added the following paragraph in response to the Beijing F2F
  resolutions:

    # The inner border radius is the outer border radius minus the
    # corresponding border thickness. In the case where this results in a
    # negative value, the inner radius is zero. (In such cases its center
    # might not coincide with that of the outer border curve.)

  We can change "inner border radius" to "padding edge (inner border) radius".
  and then add

    | Backgrounds, but not the border-image, are clipped to the curve of the
    | border.


For the issue
   "If the two adjoining borders have different colors? A color gradient might
   look nice, but should we require it?"

  I suggest we recommend, but not require, a color gradient.


For the issue
   "[Ben Stucki] Is there a need for a property to allow the designer to select
    between smooth color gradient and cut off at 45 degree? The latter would also
    cut off a rounded corner of which one side has zero thickness."

  I suggest that this can be added in CSS4 if it's found to be necessary. I suspect
  that it won't be in high demand.

~fantasai
Received on Friday, 30 November 2007 04:16:37 GMT

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