commit 48bd9e1f4c7c4c45957575f68b1ee0cdeba42fd3
parent 3d73fbaa1aeab1000d7f77cd6ee21f06a9b02e04
Author: Laslo Hunhold <dev@frign.de>
Date: Fri, 14 Apr 2017 20:04:40 +0200
Update and refactor the manpages
Make them more consistent, and only maintain a list of the conversion
tools in farbfeld.5.
Refine the wording on the jpg-manpages.
Diffstat:
8 files changed, 61 insertions(+), 74 deletions(-)
diff --git a/2ff.1 b/2ff.1
@@ -1,4 +1,4 @@
-.Dd 2016-01-05
+.Dd 2017-04-14
.Dt 2FF 1
.Os suckless.org
.Sh NAME
@@ -13,9 +13,9 @@ reads an image from stdin, converts it to
and writes the result to stdout.
.Pp
.Nm
-is a wrapper script around the *2ff-tools
-with a soft fallback to obtaining a PNG from imagemagick's
-.Xr convert 1
+is a wrapper script around the farbfeld conversion tools
+with a fallback to obtaining a PNG using
+.Xr ImageMagick 1
and passing it through
.Xr png2ff 1 .
.Pp
@@ -27,9 +27,7 @@ writes a diagnostic message to stderr.
.It 0
Image processed successfully.
.It 1
-An error occurred or
-.Xr convert 1
-was not found in the fallback.
+An error occurred.
.El
.Sh EXAMPLES
$
@@ -40,12 +38,8 @@ $
.Nm
< image.* | bzip2 > image.ff.bz2
.Sh SEE ALSO
-.Xr bunzip2 1 ,
.Xr bzip2 1 ,
-.Xr convert 1 ,
-.Xr ff2png 1 ,
-.Xr jpg2ff 1 ,
-.Xr png2ff 1 ,
+.Xr ImageMagick 1 ,
.Xr farbfeld 5
.Sh AUTHORS
.An Laslo Hunhold Aq Mt dev@frign.de
diff --git a/farbfeld.5 b/farbfeld.5
@@ -1,4 +1,4 @@
-.Dd 2016-01-04
+.Dd 2017-04-14
.Dt FARBFELD 5
.Os suckless.org
.Sh NAME
@@ -17,17 +17,24 @@ BYTES DESCRIPTION
4 32-Bit BE unsigned integer (height)
[2222] 4*16-Bit BE unsigned integers [RGBA] / pixel, row-major
.Ed
+.Pp
The RGB-data should be sRGB for best interoperability and not
alpha-premultiplied.
.Sh USAGE
.Nm
-provides
-.Xr png2ff 1 ,
-.Xr jpg2ff 1 ,
+provides the tools
.Xr 2ff 1 ,
-.Xr ff2png 1
-for
-.Em conversions ;
+.Xr jpg2ff 1 ,
+.Xr png2ff 1
+and
+.Xr ff2jpg 1 ,
+.Xr ff2pam 1 ,
+.Xr ff2png 1 ,
+.Xr ff2ppm 1
+to
+.Em convert
+to and from farbfeld images respectively.
+.Pp
.Xr bzip2 1
is recommended for
.Em compression ,
@@ -42,8 +49,8 @@ appended (e.g. ".ff.bz2").
.Nm
was created because the author was not satisfied with the boilerplate
and inherent complexity involved in handling common image formats
-(PNG, JPEG, GIF,...), having to rely on bloated libraries not being able
-to focus on the task at hand for a given problem.
+(PNG, JPEG, GIF,...), having to rely on bloated libraries while not being
+able to focus on the task at hand for a given image processing problem.
.Sh EXAMPLES
Below is an example for a color inverter usable in a pipeline. No external
libraries other than libc are needed to handle the image data:
@@ -115,8 +122,10 @@ main(int argc, char *argv[])
.Ed
.Sh SEE ALSO
.Xr 2ff 1 ,
-.Xr bzip2 1 ,
+.Xr ff2jpg 1 ,
+.Xr ff2pam 1 ,
.Xr ff2png 1 ,
+.Xr ff2ppm 1 ,
.Xr jpg2ff 1 ,
.Xr png2ff 1
.Sh AUTHORS
diff --git a/ff2jpg.1 b/ff2jpg.1
@@ -1,19 +1,19 @@
-.Dd 2016-03-23
+.Dd 2017-04-14
.Dt FF2JPG 1
.Os suckless.org
.Sh NAME
.Nm ff2jpg
-.Nd convert farbfeld to JPEG
+.Nd convert farbfeld to JPG
.Sh SYNOPSIS
.Nm
-.Op Fl b Ar color
+.Op Fl b Ar colour
.Op Fl o
.Op Fl q Ar quality
.Sh DESCRIPTION
.Nm
reads a
.Xr farbfeld 5
-image from stdin, converts it to a JPEG image (RGB) and writes the result to
+image from stdin, converts it to JPG (8-bit RGB) and writes the result to
stdout.
.Pp
In case of an error
@@ -21,18 +21,16 @@ In case of an error
writes a diagnostic message to stderr.
.Sh OPTIONS
.Bl -tag -width Ds
-.It Fl b Ar color
-.Ar color
-to mix with the background alpha channel, the default is white.
-.Pp
-The following formats are supported:
-"#rrggbb", "#rrrrggggbbbb" and the short-form "#rgb" which expands to "#rrggbb".
+.It Fl b Ar colour
+Mix the background alpha channel with
+.Ar colour
+specified as #rgb, #rrggbb or #rrrrggggbbbb. The default is #fff.
.It Fl o
-Optimize Huffman table (smaller file, but slow compression).
+Optimize the Huffman table, which reduces the file size but takes longer.
.It Fl q Ar quality
-set JPEG output
+Set the output
.Ar quality
-(range 0-100), the default is 85.
+ranging from 0 to 100. The default is 85.
.El
.Sh EXIT STATUS
.Bl -tag -width Ds
@@ -43,14 +41,14 @@ An error occurred.
.El
.Sh EXAMPLES
$
-png2ff < test.png |
.Nm
--b '#00ff00' -q 85 > test.jpg
+< image.ff > image.jpg
+.Pp
+$ bunzip2 < image.ff.bz2 |
+.Nm
+-b '#00ff00' -q 90 > image.jpg
.Sh SEE ALSO
-.Xr 2ff 1 ,
-.Xr bunzip2 1 ,
.Xr bzip2 1 ,
-.Xr png2ff 1 ,
.Xr farbfeld 5
.Sh AUTHORS
.An Hiltjo Posthuma Aq Mt hiltjo@codemadness.org
diff --git a/ff2pam.1 b/ff2pam.1
@@ -1,4 +1,4 @@
-.Dd 2017-01-09
+.Dd 2017-04-14
.Dt FF2PAM 1
.Os suckless.org
.Sh NAME
@@ -10,7 +10,7 @@
.Nm
reads a
.Xr farbfeld 5
-image from stdin, converts it to a 16-bit RGBA PAM and writes the result
+image from stdin, converts it to PAM (16-bit RGBA) and writes the result
to stdout.
.Pp
In case of an error
@@ -32,10 +32,7 @@ $ bunzip2 < image.ff.bz2 |
.Nm
> image.pam
.Sh SEE ALSO
-.Xr 2ff 1 ,
-.Xr bunzip2 1 ,
.Xr bzip2 1 ,
-.Xr png2ff 1 ,
.Xr farbfeld 5
.Sh AUTHORS
.An Mattias Andrée Aq Mt maandree@kth.se
diff --git a/ff2png.1 b/ff2png.1
@@ -1,4 +1,4 @@
-.Dd 2016-01-17
+.Dd 2017-04-14
.Dt FF2PNG 1
.Os suckless.org
.Sh NAME
@@ -10,7 +10,7 @@
.Nm
reads a
.Xr farbfeld 5
-image from stdin, converts it to a 16-Bit RGBA PNG and writes the result
+image from stdin, converts it to PNG (16-bit RGBA) and writes the result
to stdout.
.Pp
In case of an error
@@ -32,11 +32,7 @@ $ bunzip2 < image.ff.bz2 |
.Nm
> image.png
.Sh SEE ALSO
-.Xr 2ff 1 ,
-.Xr bunzip2 1 ,
.Xr bzip2 1 ,
-.Xr jpg2ff 1 ,
-.Xr png2ff 1 ,
.Xr farbfeld 5
.Sh AUTHORS
.An Laslo Hunhold Aq Mt dev@frign.de
diff --git a/ff2ppm.1 b/ff2ppm.1
@@ -1,17 +1,17 @@
-.Dd 2016-03-21
+.Dd 2017-04-14
.Dt FF2PPM 1
.Os suckless.org
.Sh NAME
.Nm ff2ppm
-.Nd convert farbfeld to PPM (binary)
+.Nd convert farbfeld to PPM
.Sh SYNOPSIS
.Nm
-.Op Fl b Ar color
+.Op Fl b Ar colour
.Sh DESCRIPTION
.Nm
reads a
.Xr farbfeld 5
-image from stdin, converts it to a PPM image (P6 binary format, RGB) and
+image from stdin, converts it to PPM (16-Bit RGB P6 binary format) and
writes the result to stdout.
.Pp
In case of an error
@@ -19,12 +19,11 @@ In case of an error
writes a diagnostic message to stderr.
.Sh OPTIONS
.Bl -tag -width Ds
-.It Fl b Ar color
-.Ar color
-to mix with the background alpha channel, the default is white.
-.Pp
-The following formats are supported:
-"#rrggbb", "#rrrrggggbbbb" and the short-form "#rgb" which expands to "#rrggbb".
+.It Fl b Ar colour
+.Ar colour
+Mix the background alpha channel with
+.Ar colour
+specified as #rgb, #rrggbb or #rrrrggggbbbb. The default is #fff.
.El
.Sh EXIT STATUS
.Bl -tag -width Ds
@@ -35,14 +34,14 @@ An error occurred.
.El
.Sh EXAMPLES
$
-png2ff < test.png |
.Nm
--b '#00ff00' > test.ppm
+< image.ff > image.ppm
+.Pp
+$ bunzip2 < image.ff.bz2 |
+.Nm
+-b '#00ff00' > image.ppm
.Sh SEE ALSO
-.Xr 2ff 1 ,
-.Xr bunzip2 1 ,
.Xr bzip2 1 ,
-.Xr png2ff 1 ,
.Xr farbfeld 5
.Sh AUTHORS
.An Hiltjo Posthuma Aq Mt hiltjo@codemadness.org
diff --git a/jpg2ff.1 b/jpg2ff.1
@@ -1,4 +1,4 @@
-.Dd 2016-01-19
+.Dd 2017-04-14
.Dt JPG2FF 1
.Os suckless.org
.Sh NAME
@@ -32,10 +32,7 @@ $
< image.jpg | bzip2 > image.ff.bz2
.Sh SEE ALSO
.Xr 2ff 1 ,
-.Xr bunzip2 1 ,
.Xr bzip2 1 ,
-.Xr ff2png 1 ,
-.Xr png2ff 1 ,
.Xr farbfeld 5
.Sh AUTHORS
.An Laslo Hunhold Aq Mt dev@frign.de
diff --git a/png2ff.1 b/png2ff.1
@@ -1,4 +1,4 @@
-.Dd 2016-01-19
+.Dd 2017-04-14
.Dt PNG2FF 1
.Os suckless.org
.Sh NAME
@@ -32,10 +32,7 @@ $
< image.png | bzip2 > image.ff.bz2
.Sh SEE ALSO
.Xr 2ff 1 ,
-.Xr bunzip2 1 ,
.Xr bzip2 1 ,
-.Xr ff2png 1 ,
-.Xr jpg2ff 1 ,
.Xr farbfeld 5
.Sh AUTHORS
.An Laslo Hunhold Aq Mt dev@frign.de
