Re: [PATCH 3/3] fbtest: add gradients pattern

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On Fri, Oct 13, 2017 at 03:20:02PM +0200, Sam Ravnborg wrote:
> Hi Nikita
> 
> Thanks for this, I have missed further fbtest options in the past.
> Some nitpicks, that you may ignore.
> 
> 	Sam
> 
> On Thu, Oct 12, 2017 at 08:52:28PM +0300, Nikita Yushchenko wrote:
> > This pattern draws red, green, blue, and white color gradients, together with
> > 3 anchor rectangles in corners.
> > 
> > To be used with automated screen testing via computer vision methods.
> > 
> > Suggested-by: Chris Healy <cphealy@xxxxxxxxx>
> > Signed-off-by: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx>
> > ---
> >  commands/fbtest.c | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
> >  1 file changed, 108 insertions(+), 2 deletions(-)
> > 
> > diff --git a/commands/fbtest.c b/commands/fbtest.c
> > index 9981c1319..8e6a5457f 100644
> > --- a/commands/fbtest.c
> > +++ b/commands/fbtest.c
> > @@ -117,6 +117,111 @@ static void fbtest_pattern_geometry(struct screen *sc, u32 color)
> >  	}
> >  }
> >  
> > +static void draw_line_r(struct screen *sc, bool rotate_90_ccw,
> > +		int x1, int y1, int x2, int y2,
> > +		uint8_t r, uint8_t g, uint8_t b)
> > +{
> > +	if (rotate_90_ccw)
> > +		gu_draw_line(sc,
> > +			     y1, sc->info->yres - x1,
> > +			     y2, sc->info->yres - x2,
> > +			     r, g, b, 0xff, 0);
> > +	else
> > +		gu_draw_line(sc, x1, y1, x2, y2, r, g, b, 0xff, 0);
> > +}
> > +
> > +static void solid_rect_r(struct screen *sc, bool rotate_90_ccw,
> > +		int x1, int y1, int x2, int y2,
> > +		uint8_t r, uint8_t g, uint8_t b)
> > +{
> > +	if (rotate_90_ccw)
> > +		gu_fill_rectangle(sc,
> > +				  y1, sc->info->yres - x1,
> > +				  y2, sc->info->yres - x2,
> > +				  r, g, b, 0xff);
> > +	else
> > +		gu_fill_rectangle(sc, x1, y1, x2, y2, r, g, b, 0xff);
> > +}
> > +
> > +static void grad_rect_r(struct screen *sc, bool rotate_90_ccw,
> > +		int x1, int y1, int x2, int y2,
> > +		uint8_t r, uint8_t g, uint8_t b)
> > +{
> > +	int x;
> > +
> > +	for (x = x1; x <= x2; x++)
> > +		draw_line_r(sc, rotate_90_ccw, x, y1, x, y2,
> > +			    r * (x - x1 + 1) / (x2 - x1 + 1),
> > +			    g * (x - x1 + 1) / (x2 - x1 + 1),
> > +			    b * (x - x1 + 1) / (x2 - x1 + 1));
> In the other xxx_xxx_sc(sc, ..) you have the following arguments on a new line.
> But in this you have second argument on the same line.
> It looks in-consistent.
> 
> Something like:
> 		draw_line_r(sc,
> 			    rotate_90_ccw, x, y1, x, y2,
> 			    r * (x - x1 + 1) / (x2 - x1 + 1),
> 			    ....
> 

I think the function arguments are aligned quite nice in this patch and
what you see is because Nikita tried to align x/y or r/g/b arguments in
separate lines. I applied it as-is.

> > +}
> > +
> > +static void anchor_rect_r(struct screen *sc, bool rotate_90_ccw,
> > +		int x1, int y1, int x2, int y2)
> 
> Following arguments should be aligned after first "(" like this:
> static void anchor_rect_r(struct screen *sc, bool rotate_90_ccw,
> 			  int x1, int y1, int x2, int y2)
> 
> At least this is how the kernel does things and I recall barebox is the same

I fixed this up while applying.

Sascha


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