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

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From: Jan Djärv <jan.h.d <at> swipnet.se>
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Cc: Ted Phelps <phelps <at> pobox.com>, 5848 <at> debbugs.gnu.org
Subject: bug#5848: 23.1.95; bands of background after font change if --with-x-toolkit=no
Date: Wed, 07 Apr 2010 08:35:48 +0200

YAMAMOTO Mitsuharu skrev 2010-04-07 02.16:
>>>>>> On Tue, 06 Apr 2010 20:54:24 +0200, Jan Djärv<jan.h.d <at> swipnet.se>  said:
>
>> /* Return the pixel width/height of frame F if it has
>>      COLS columns/LINES rows.  */
>
>> #define FRAME_TEXT_COLS_TO_PIXEL_WIDTH(f, cols) \
>>     (FRAME_COL_TO_PIXEL_X (f, cols) \
>>      + (f)->scroll_bar_actual_width \
>>      + FRAME_TOTAL_FRINGE_WIDTH (f)      \
>>      + FRAME_INTERNAL_BORDER_WIDTH (f))
>
>> #define FRAME_TEXT_LINES_TO_PIXEL_HEIGHT(f, lines) \
>>     (FRAME_LINE_TO_PIXEL_Y (f, lines) \
>>      + FRAME_INTERNAL_BORDER_WIDTH (f))
>
>
>> and
>
>> #define FRAME_INTERNAL_BORDER_WIDTH(F) ((F)->internal_border_width)
>
>> But the internal border is on two sides, so it should be
>> 2*FRAME_INTERNAL_BORDER_WIDTH (f).
>
> 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.

	Jan D.

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