On Wed, 9 Nov 2022 19:32:20 GMT, Kevin Rushforth <k...@openjdk.org> wrote:

>> modules/javafx.graphics/src/main/java/javafx/scene/layout/AnchorPane.java 
>> line 364:
>> 
>>> 362:             }
>>> 363: 
>>> 364:             child.resizeRelocate(x, y, w, h);
>> 
>> snapping should be done at this moment, I think, something like this:
>> 
>> child.resizeRelocate(
>>   snapPositionX(x),
>>   snapPositionY(y),
>>   snapSizeX(w),
>>   snapSizeY(h));
>> 
>> and keep the original (unsnapped) code prior to this.
>
> It depends (see earlier discussion), but if we are going to snap the 
> intermediate results, we need to be sure we are doing it consistently -- 
> adding snapped insets to an unsnapped value is very likely the wrong thing to 
> do.

not only for consistency, but we should also understand whether it makes sense 
or not.

for example, we might snap intermediate results such as guide lines, if that 
makes sense (e.g. for alignment), but most importantly, we must honor the 
snapToPixel setting for the end result.  If it's true, then all child nodes 
must have integer coordinates and sizes.

Would you agree?

-------------

PR: https://git.openjdk.org/jfx/pull/910

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