Your message dated Mon, 1 Jan 2024 08:28:10 +0100
with message-id <[email protected]>
and subject line Re: Bug#215757: ppmtowinicon: allow PPM as alpha mask
has caused the Debian Bug report #215757,
regarding ppmtowinicon: allow PPM as alpha mask
to be marked as done.
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215757: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=215757
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--- Begin Message ---
Package: netpbm
Version: 2:9.25-6
Severity: wishlist
The "-andpgms" option to ppmtowinicon allows specification of alpha masks
for each icon. However, the masks are restricted to PGM and PBM format
images. Since the icons themselves are probably PPMs, it would be convenient
if the program accepted a PPM as an alpha mask also.
This is also the habit of most of the other netpbm programs: they accept any
of the formats, and auto-convert to the required one if necessary. In this
case, there already exists a program in the set (ppmtopgm) to make the
necessary conversion. It would just be nice to not have to add that step
to the pipeline.
(Note that if this enhancement is made, the command line option probably
needs to be renamed to something like "-andalphas".)
-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux sidious 2.4.20-3-686 #1 Sat Jun 7 22:34:55 EST 2003 i686
Locale: LANG=C, LC_CTYPE=C
Versions of packages netpbm depends on:
ii bc 1.06-11 The GNU bc arbitrary precision cal
ii libc6 2.3.2-7 GNU C Library: Shared libraries an
ii libjpeg62 6b-8 The Independent JPEG Group's JPEG
ii libnetpbm10 2:9.25-6 Shared libraries for netpbm
ii libpng12-0 1.2.5.0-4 PNG library - runtime
ii libtiff3g 3.5.7-2 Tag Image File Format library
ii zlib1g 1:1.1.4-15 compression library - runtime
-- no debconf information
--- End Message ---
--- Begin Message ---
On 2010-09-22 Antonio Ospite <[email protected]> wrote:
> Very old issue, but let's see if I can add something useful to the
> discussion.
> ppmtowinicon relies only on grayscale images (PGM, or PBM as a
> particular case of PGM) as alpha masks because it is easier to make
> assumption about what the transparent and opaque areas are going to be
> in this case (white color means opaque, non-white means transparent); if
> you use a color image as alpha mask what color do you take as the
> transparent area? In your example, by running ppmtopgm you are actually
> adding the assumption that the white "color" is meant to be the opaque
> area, well, it is not so trivial in general.
> Using grayscale images for alpha masks makes sense because it is easy.
Hello,
I am closing this wishlist request. ppmtowinicon is obsolete, replaced
by pamtowinicon.
cu Andreas
--
`What a good friend you are to him, Dr. Maturin. His other friends are
so grateful to you.'
`I sew his ears on from time to time, sure'
--- End Message ---
