<Swing Dev> [13] RFR JDK-8214702:Wrong text position for whitespaced string in printing Swing text
Prasanta Sadhukhan
prasanta.sadhukhan at oracle.com
Fri Jan 25 04:19:07 UTC 2019
On 25-Jan-19 2:00 AM, Phil Race wrote:
> I can't work out what you are trying to say.
> The changes are only in the printing code path.
>
> However what it looks like to me is that Prasanta is now using
> TextLayout for printing only under
> the same conditions as we use it on screen -- which is when
> "international" text is being rendered.
> This will reintroduce clipped text bugs which the existing code was
> meant to fix so I don't think it
> can be right.
OK. Thanks for the info. I didn't know that as I am not able to get the
fix for JDK-6760148 which is pre 7u23 where mercurial tracking began.
>
> It may not be pretty or a complete solution but I think we need to
> look at breaking the text into
> the leading spaces + the rest of the trimmed string and using the
> screen advance of the
> leading spaces to position the rest of the justified text.
Are you implying the leading spaces in text is making text justifcation
going astray?
I have seen even without leading spaces in swing text in console
, the text justification during printing is wrong as I am getting
Regards
Prasanta
>
> -phil.
>
> On 1/24/19 9:33 AM, Sergey Bylokhov wrote:
>> Hi, Prasanta.
>>
>> On 24/01/2019 02:18, Prasanta Sadhukhan wrote:
>>> Proposed fix is to check if we need text layouting for printing too
>>> as it is done for swing text drawing on console. If we need text
>>> layouting, then only use textlayout justification.
>>
>> For swing components we skip textlayout by default because of
>> performance reason(when we know that it should be safe to do), are
>> you sure that it is safe in your case? Will the text scales in the
>> same way as the components on which it drawn?
>>
>> BTW the new codepath missed the call:
>> g2d.setColor(((PrintColorUIResource)col).getPrintColor());
>>
>>
>
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