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gimp/plug-ins/gradient-flare
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Jehan 18c37f7084 plug-ins, libgimp: override set_i18n() for all our core plug-ins. 
Hence avoiding the stderr messages. These are going to be localized with
centrally installed catalogs "gimp*-std-plugins", "gimp*-script-fu" and
"gimp*-python".

We now handle core plug-in localizations differently and in particular,
with kind of a reverse logic:

- We don't consider "gimp*-std-plugins" to be the default catalog
  anymore. It made sense in the old world where we would consider the
  core plug-ins to be the most important and numerous ones. But we want
  to push a world where people are even more encouraged to develop their
  own plug-ins. These won't use the standard catalog anymore (because
  there are nearly no reasons that the strings are the same, it's only a
  confusing logic). So let's explicitly set the standard catalogs with
  DEFINE_STD_SET_I18N macro (which maps to a different catalog for
  script-fu plug-ins).
- Doing something similar for Python plug-ins which have again their own
  catalog.
- Getting rid of the INIT_I18N macro since now all the locale domain
  binding is done automatically by libgimp when using the set_i18n()
  method infrastructure.
2022-06-05 01:57:02 +02:00
..
flares Meson port. 2019-09-11 16:42:04 +02:00
.gitignore Adding Microsoft Windows executables to the .gitignore files 2009-06-19 00:14:17 +02:00
gradient-flare.c plug-ins, libgimp: override set_i18n() for all our core plug-ins. 2022-06-05 01:57:02 +02:00
Makefile.am plug-ins: port gradient-map to libgimp objects 2019-08-31 00:24:02 +02:00
meson.build meson: Use libgimp(ui)_dep in plug-ins meson files 2020-05-11 07:01:37 +02:00
README

README 

==========================================================================

	GFlare plug-in ver 0.25

		Eiichi Takamori <taka@ma1.seikyou.ne.jp>

==========================================================================

  GFlare is a plug-in for GIMP.  The name "GFlare" is short for
"Gradient Flare".  It renders lense flare effect using custom
gradients.  The basic idea is suggested by Marcelo Malheiros,
originally based on a 3DStudio MAX plug-in called LenZFX:
	http://www.digimation.com/techsupp/lzfxfeat.htm

INSTALL:

1) Edit Makefile, if needed.

2) Type "make install".

3) Type "make install-data" if needed. (It copies sample gradients and
   gflares under ~/.gimp)

3) Add new entry to ~/.gimp/gimprc as
     (gflare-path "${gimp_dir}/gflares:${gimp_data_dir}/gflares")

3) Run GIMP. The menu path is <Image>/Filters/Effects/GFlare.


HOW TO USE IT:

  The document is not yet done. Try and see.

  Main Dialog:
  - Preview
      click on it changes the position of GFlare
  - Settings page
    - Center, Radius (pixel), Rotation (degree), Hue Rotation (degree)
    - Vector Angle (degree) and Vector Length (percentage to Radius)
    - adaptive supersampling ... same as "Blend tool"
  - Selector page
    - ListBox
    - New, Edit, Copy, Delete buttons. Edit button invokes GFlare Editor.

  GFlare Editor:
  - General page:
  - Glow page:
  - Rays page:
  - Second Flares page:     

  WARNING: This plug-in is in development stage, and the code is very
alpha. The GFlare datafile format may be changed in future version.

  Suggestions and ideas for user interface, flare algorithm, etc. are
very welcome.


KNOWN BUGS:

  There are still lots of bugs, of course. ;-)
  They seem related to GTK, and I don't know exactly how I can fix them.

  * It warns at startup as:
    ** WARNING **: file gdkwindow.c: line 422 (gdk_window_move_resize): "window != NULL"
    If you are annoyed, accompanying "gtkviewport.c.patch" will shut up
    the warning.
  * Edit button remains prelighted when GFlare Editor dialog is done.
  * Dialogs are not shown quickly at startup.
  * Sometimes note tab labels are disappeared.
  * Sometimes it crashes, but I don't know yet why it happens.

TODO:
  * Random hue scattering for Second Flares.
  * Improve internal gradients.
  * Currently number of Second Flares is fixed(30).
  * Change opacity for one second flare dynamically, in inverse
    proportion to the size of it.
  * Reduce dialog size
  * Add tweak ability "How to combine Glow, Rays, Second Flares in
    what order"


CREDITS:

  Marcelo Marheiros and Federico Mena Quintero suggested a lot of
ideas. Very Thanks!!

  Marcelo made gradients whose names end with _1, _2, etc. The
gradients whose names end with _101, _102 etc. are mine.

  Quartic did awful Gradient Editor, and gradients PDB procedures.

  A fair proportion of this code was taken from:

  GIMP - The GNU Image Manipulation Program
  Copyright (C) 1995 Spencer Kimball and Peter Mattis

  Gradient editor module copyight (C) 1996-1997 Federico Mena Quintero
  federico@nuclecu.unam.mx