191853 - Implement new CSS properties for images as a backgrounds and list markers

Status: RESOLVED DUPLICATE of bug 113577

(Core :: CSS Parsing and Computation, enhancement)

Description

[Manko]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.2.1) Gecko/20021130
Build Identifier: 

It would be very usable to have CSS properties to set size images which are
placed as a background or list item marker.

CSS3 draft already has background-size property, it would be nice to implement.

But image as list marker hasn't corresponding properties. I guess it will be
nice to have list-style-image-size property. CSS3 :marker pseudoclass isn't
appropriate here because it describes size of whole marker space.
 

Reproducible: Always

Steps to Reproduce:

Comment 1

[Boris Zbarsky [:bzbarsky]]

This module is in such a preliminary stage (it's not in Last Call, much less
CR), that implementing things from it is likely a waste of time -- they will change.

Comment 2

[Manko]

OK, but we could implement these properties as experimental with "-moz-" prefix
and remove prefix (or modify otherwise) after CSS3 official approval.

Comment 3

[Boris Zbarsky [:bzbarsky]]

I didn't say we can't do it.  I said it would be a waste of time better spent
doing other things that are not going to have to be thrown out....

You're free to work on the impl of the things you want, of course.  I can point
you to the relevant parts of the code if you would like and review patches when
you have it working.

Comment 4

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

It's also worth adding that list-style-image-size is not necessarily the best
solution.  It may be better to have a general generated content solution instead.

Comment 5

[Hixie (not reading bugmail)]

As the editor of the CSS3 lists module, I doubt that we will ever introduce
list-style-image-size. Whatever mechanism is used will be the same as used for
resizing images in generated content.

Comment 6

[Zook Valem]

Mozilla have this background images code in CSS such as 'background-image:
whatever;'.  So, is there such a thing as using the size feature inside the
'whatever' part?  Or would it require a seperate code that we don't have?

Comment 7

[Boris Zbarsky [:bzbarsky]]

It would require separate code, and a good bit of it.

Comment 8

[Christopher Aillon (sabbatical, not receiving bugmail)]

Specifically, adding sizing to background images will likely require a GFX
implementation for each of our major platforms/toolkits at the very least, and
it would be quite nice to support other platforms/toolkits as well.  See bug
189519 for that end of things.

Comment 9

[Asa Dotzler [:asa]]

so is this a wontfix then?

Comment 10

[Boris Zbarsky [:bzbarsky]]

No, this is a "call us whenever this module is in CR and we'll think about it".
 One of those cases when RESOLVED FUTURE would be nice.

Comment 11

[Gervase Markham [:gerv]]

This is an automated message, with ID "auto-resolve01".

This bug has had no comments for a long time. Statistically, we have found that
bug reports that have not been confirmed by a second user after three months are
highly unlikely to be the source of a fix to the code.

While your input is very important to us, our resources are limited and so we
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Comment 12

[Minh Nguyễn]

Obviously we still don't have support for the background-size property, or for
any proprietary property that would set the size of a list marker image. The
background-size property is a part of the Backgrounds and Borders CSS3 module,
which hasn't yet made it out of the Working Draft stage, so I'm not sure if it's
stable enough to implement at this point. Could we implement it but prefix it
with -moz, like we did with -moz-opacity?

Comment 13

[Bengt77]

I've never understood why all browsers engines (Gecko, WebKit, Opera, IE) don't agree on a single prefix for unfinalized draft-css features. Use something like -draft- so that you get -draft-background-size or -draft-opacity. That way, site builders don't have to include several extra lines of code to cater all surfers.

Comment 14

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

I think this bug is a duplicate of the combination of bug 113577 and bug 189519.

Comment 15

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

(In reply to comment #13)
> I've never understood why all browsers engines (Gecko, WebKit, Opera, IE) don't
> agree on a single prefix for unfinalized draft-css features. Use something like
> -draft- so that you get -draft-background-size or -draft-opacity. That way,
> site builders don't have to include several extra lines of code to cater all
> surfers.

Please don't discuss this in bugs about other topics.  It just makes them more confusing and less likely to be fixed.