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gimp/plug-ins/gflare
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Michael Natterer 27d4717c78 use a gimp_query_boolean_box(). 
2000-02-23  Michael Natterer  <mitch@gimp.org>

	* app/file_new_dialog.c: use a gimp_query_boolean_box().

	* libgimp/gimpenv.c
	* libgimp/gimpquerybox.c: documentation updates.

	* libgimp/gimpwidgets.[ch]: changed the widget constructors to
	return only the container widget and added access marcos for the
	sub-widgets. Added documentation for all functions.
	Made gimp_toggle_button_sensitive_update() public so this feature
	can be properly documented.

	* plug-ins/common/blur.c
	* plug-ins/common/gauss_iir.c
	* plug-ins/common/gauss_rle.c
	* plug-ins/common/plasma.c
	* plug-ins/common/randomize.c
	* plug-ins/common/snoise.c
	* plug-ins/common/spread.c
	* plug-ins/common/tile.c
	* plug-ins/gflare/gflare.c: updated according to the
	gimpwidgets.[ch] changes.

2000-02-23  Michael Natterer  <mitch@gimp.org>

	* libgimp/libgimp-decl.txt
	* libgimp/libgimp-sections.txt
	* libgimp/tmpl/gimpenv.sgml
	* libgimp/tmpl/gimppixmap.sgml
	* libgimp/tmpl/gimpwidgets.sgml: various updates and documentation
	for all gimpwidgets.[ch] functions.
2000-02-23 15:52:33 +00:00
..
gflares (from gimp-narazaki-990909-0) 1999-09-09 07:09:33 +00:00
.cvsignore (from gimp-narazaki-990909-0) 1999-09-09 07:09:33 +00:00
asupsample.c *** empty log message *** 1999-09-06 23:31:51 +00:00
asupsample.h *** empty log message *** 1999-09-06 23:31:51 +00:00
gflare.c use a gimp_query_boolean_box(). 2000-02-23 15:52:33 +00:00
gtkmultioptionmenu.c remove unneccessary rgb_to_hsv and bugfiles 2000-01-19 14:57:19 +00:00
gtkmultioptionmenu.h *** empty log message *** 1999-09-06 23:31:51 +00:00
Makefile.am gimprc.in user_install renamed the "gflares" dir to "gflare" in all places 2000-02-04 15:12:17 +00:00
README *** empty log message *** 1999-09-06 23:31:51 +00:00

README 

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

	GFlare plug-in ver 0.25

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

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

  GFlare is a plug-in for the 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 the 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:

  The GIMP -- an 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