GNU bug report logs - #5848
23.1.95; bands of background after font change if --with-x-toolkit=no

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Message #38 received at 5848 <at> debbugs.gnu.org (full text, mbox):

From: Jan Djärv <jan.h.d <at> swipnet.se>
To: Ted Phelps <phelps <at> mantara.com>
Cc: 5848 <at> debbugs.gnu.org
Subject: Re: bug#5848: 23.1.95;
	bands of background after font change if --with-x-toolkit=no
Date: Wed, 07 Apr 2010 10:23:54 +0200

Ted Phelps skrev 2010-04-07 08.52:
> =?ISO-8859-1?Q?Jan_Dj=E4rv?= writes:
>> YAMAMOTO Mitsuharu skrev 2010-04-07 02.16:
>>> FRAME_COL_TO_PIXEL_X and FRAME_LINE_TO_PIXEL_Y include the left and
>>> top side internal border width, respectively.  So, the internal border
>>> is already counted twice in FRAME_TEXT_COLS_TO_PIXEL_WIDTH and
>>> FRAME_TEXT_LINES_TO_PIXEL_HEIGHT above.
>>
>> Thanks for the clarification.  One pixel is still missing though, I'll
>> keep looking.
>
> I've had a closer look and that last pixel is still there when:
>
>    pixelwidth = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, cols);
>    pixelheight = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, rows);
>
> In this case, there's a one pixel border around the left, bottom and
> right edges of the frame.  Hopefully this helps you with your search?
> Or maybe this is the intended behavior?  I'll see if I can upload a
> screenshot...
>

Does this pixel disappear if you set internal border width to 0?
I.e:

(set-frame-parameter nil 'internal-border-width 0)

Anyway, when toolkit-x is no, the wm size hints are off by one pixel, so there 
is actually (font height)-1 extra pixels.

	Jan D.

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