[PATCH 05/26] video: Split out expression parts into variables
agust at denx.de
Fri May 22 16:02:33 CEST 2020
On Tue, 19 May 2020 17:10:37 -0600
Simon Glass sjg at chromium.org wrote:
> The functions in this file do similar things but not always in the same
> way. To make the code easier to read and compare, use a separate 'linenum'
> variable in every function. This is then multiplied by the line length to
> get the offset within the frame buffer to modify. Also use an 'x' variable
> to hold the pixel position within that line. This is multipled by the
> pixel size and added to the offset.
> Also move the pbytes declaration up a little with the other long lines.
> A side effect of splitting out these variables is that they are promoted
> to int, i.e. a signed type, from the unsigned short used in the
> vidconsole_priv struct. This would be necessary should any of the
> variables go negative. At present this can actually happen in
> console_putc_xy_2(), if the display width is not a multiple of the
> character size (see next patch).
> Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Anatolij Gustschin <agust at denx.de>
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