Hi,
On 10:06, Thu 15 May 08, Sven Neumann wrote:
Changing this in GIMP is not feasible. What needs to be done is to
implement shortcuts for the conversions that GIMP actually uses.
Eventually he gimp-8bit extension should provide shortcuts for both
gamma-corrected and linear 8bit - double
Hi Sven,
I can give it a try. If I understand it correctly,
gimp-8bit.c only implements u8-float conversions, which
seem to be picked up by BABL correctly, so the problem lies
in the float-u8 conversions that are computed by
ReferenceFish. Is that correct?
Regards,
Jan
On 09:14, Wed 14
Hi,
On 11:19, Wed 14 May 08, Richard Kralovic wrote:
I just had a short look into the babl code; it looks like there is a
float-u8 conversion implemented using the 16bit lookup table in
extensions/gegl-fixups.c. In fact, it looks like the same algorithm as
described in the pdf paper. I do not
Hi,
On 18:36, Sat 26 Apr 08, Kevin Cozens wrote:
Jan Heller wrote:
On 11:09, Sat 26 Apr 08, Øyvind Kolås wrote:
It would also be nice to replace the planckian locus lookup table with
a function that approximates it.
I played with MATLAB for a while and came up with rational
Hi,
On 11:09, Sat 26 Apr 08, Øyvind Kolås wrote:
On Fri, Apr 25, 2008 at 6:52 PM, Jan Heller [EMAIL PROTECTED] wrote:
I wrote it to better familiarize myself with
Gegl and I am posting it here in hope it will be useful for
others.
I think it is a good operation to have, so I have
a copy of the GNU Lesser General Public
* License along with GEGL; if not, see http://www.gnu.org/licenses/.
*
* Copyright 2008 Jan Heller [EMAIL PROTECTED]
*/
#ifdef GEGL_CHANT_PROPERTIES
gegl_chant_double (original_temp, Original temperature, 1000, 12000, 6500, Estimated temperature of the light
Hi,
attached is a path that introduces logic to disallow
creation of a fish path that is actually slower than
appropriate reference fish.
Suggested Changelog entry:
* babl/babl-fish-path.c (get_conversion_path), (babl_fish_path),
(test_create),
Hi,
attached is a patch that improves logic of go_fishing code
in babl-fish.c. The current code searches list of all
fishes while looking for suitable preexistent
BABL_FISH_PATH instance. The new code only searches
relevant part of database's hash table. Further, the
current code searches
Hi,
attached is a patch that ports BablFishPath class to the
new list API and the list API is a bit expanded.
Further, the algorithm for generating the shortest
conversion path is reformulated to be more readable and
comprehensible and thoroughly commented. The algorithm for
processing the
in babl-util.c.
+/* Implementation of list data structure.
* Copyright (C) 2008, Jan Heller
- *
- * TODO: migrate babl to BablList
*/
#include babl-internal.h
@@ -30,11 +27,19 @@
BablList *
babl_list_init (void)
{
+ return babl_list_init_with_size (BABL_LIST_INITIAL_SIZE);
+}
+
+BablList
On 17:55, Mon 10 Mar 08, Martin Nordholts wrote:
That looks very interesting. Do you think you could provide some
benchmarking data of the performance improvements in variuos situations?
It would be useful to have
Hi,
I used babl/tests/babl_fish_path_dhtml as a simple
benchmark. Here are
On 21:09, Mon 10 Mar 08, Sven Neumann wrote:
I would prefer if this functionality could be added in new files
babl-list.[ch] and babl-hash-table.[ch]. Also the hash-table functions
should be prefixed with babl_hash_table_ instead of just babl_hash_ as
we should keep the babl_hash prefix for
Hi all,
I am new to this list and I would like to help with the
GEGL development. I am a programmer and a computer graphics
enthusiast. I started to look into the GEGL/BABL code base
and have been able to make some improvements in babl
database code that speed things up a bit, without loss
On 19:07, Sun 09 Mar 08, Martin Nordholts wrote:
Hi Jan
We're absolutely interested in your contributions! Eagerly awaiting the
patch :)
Best regards,
Martin Nordholts
Glad to hear it :) So here is the patch. Essentially, it
implements coalesced hashing as BablHashTable structure and
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