[Pixman] [PATCH v9 03/15] pixman-image: Added enable-gnuplot config to view filters in gnuplot

[Bill Spitzak]

On Mon, Feb 1, 2016 at 6:11 AM, Oded Gabbay <oded.gabbay at gmail.com> wrote:

> On Mon, Feb 1, 2016 at 4:10 PM, Oded Gabbay <oded.gabbay at gmail.com> wrote:
> > On Fri, Jan 22, 2016 at 11:42 AM,  <spitzak at gmail.com> wrote:
> >> From: Bill Spitzak <spitzak at gmail.com>
> >>
> >> If enable-gnuplot is configured, then you can pipe the output of a
> pixman-using program
> >> to gnuplot and get a continuously-updated plot of the horizontal
> filter. This
> >> works well with demos/scale to test the filter generation.
> >>
> >> The plot is all the different subposition filters shuffled together.
> This is
> >> misleading in a few cases:
> >>
> >>   IMPULSE.BOX - goes up and down as the subfilters have different
> numbers of non-zero samples
> >>   IMPULSE.TRIANGLE - somewhat crooked for the same reason
> >>   1-wide filters - looks triangular, but a 1-wide box would be more
> accurate
> >>
> >> v8: Use config option
> >>     Moved code to the filter generator
> >>     Modified scale demo to not call filter generator a second time.
> >>
> >> v7: First time this ability was included
>
> One more thing. The vX comments should be ordered from first to last
> (old to new), so:
> v7: ...
> v8: ...
>

Okay thank you, I will fix all of them.
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