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change default filtering parameters:

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* type is now 'strong'
  * strength is now '60'

These help with gradients and blocking

Change-Id: Ie1c8265c557306ef5e9ccefacf43e10946e55370
This commit is contained in:
Pascal Massimino
2013-02-15 01:08:52 -08:00
parent b7490f8553
commit 92668da6f2
5 changed files with 20 additions and 10 deletions
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12
man/cwebp.1
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@ -1,5 +1,5 @@
.\" Hey, EMACS: -*- nroff -*-
.TH CWEBP 1 "February 6, 2013"
.TH CWEBP 1 "February 15, 2013"
.SH NAME
cwebp \- compress an image file to a WebP file
.SH SYNOPSIS
@ -94,8 +94,12 @@ Specify the sharpness of the filtering (if used).
Range is 0 (sharpest) to 7 (least sharp). Default is 0.
.TP
.B \-strong
Use a stronger filtering than the default one (if filtering is being
used thanks to the \fB\-f\fP option). Strong filtering is off by default.
Use strong filtering (if filtering is being used thanks to the
\fB\-f\fP option). Strong filtering is on by default.
.TP
.B \-nostrong
Disable strong filtering (if filtering is being used thanks to the
\fB\-f\fP option) and use simple filtering instead.
.TP
.BI \-segments " int
Change the number of partitions to use during the segmentation of the
@ -224,7 +228,7 @@ cwebp \-q 50 -lossless picture.png \-o picture_lossless.webp
.br
cwebp \-q 70 picture_with_alpha.png \-o picture_with_alpha.webp
.br
cwebp \-sns 70 \-f 50 \-strong \-af \-size 60000 picture.png \-o picture.webp
cwebp \-sns 70 \-f 50 \-size 60000 picture.png \-o picture.webp
.SH AUTHORS
\fBcwebp\fP was written by the WebP team.