[Pixman] [PATCH v9 03/15] pixman-image: Added enable-gnuplot config to view filters in gnuplot
spitzak at gmail.com
Mon Feb 1 09:32:58 PST 2016
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
> >> 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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