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bug#5848: 23.1.95; bands of background after font change if --with-x-too


From: YAMAMOTO Mitsuharu
Subject: bug#5848: 23.1.95; bands of background after font change if --with-x-toolkit=no
Date: Wed, 07 Apr 2010 09:16:05 +0900
User-agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shijō) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI)

>>>>> On Tue, 06 Apr 2010 20:54:24 +0200, Jan Djärv <address@hidden> 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.

                                     YAMAMOTO Mitsuharu
                                address@hidden






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