2006-12-10 05:33:38 +08:00
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/* GIMP - The GNU Image Manipulation Program
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2001-02-11 03:35:29 +08:00
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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2009-01-18 06:28:01 +08:00
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* This program is free software: you can redistribute it and/or modify
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2001-02-11 03:35:29 +08:00
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* it under the terms of the GNU General Public License as published by
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2009-01-18 06:28:01 +08:00
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* the Free Software Foundation; either version 3 of the License, or
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2001-02-11 03:35:29 +08:00
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2009-01-18 06:28:01 +08:00
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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2001-02-11 03:35:29 +08:00
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*/
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#ifndef __GIMP_GRADIENT_H__
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#define __GIMP_GRADIENT_H__
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2001-02-11 09:39:24 +08:00
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#include "gimpdata.h"
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2006-10-03 19:10:20 +08:00
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#define GIMP_GRADIENT_DEFAULT_SAMPLE_SIZE 40
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2001-10-26 05:59:52 +08:00
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2001-02-11 03:35:29 +08:00
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struct _GimpGradientSegment
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{
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gdouble left, middle, right;
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2006-08-30 05:44:51 +08:00
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GimpGradientColor left_color_type;
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2001-02-11 03:35:29 +08:00
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GimpRGB left_color;
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2006-08-30 05:44:51 +08:00
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GimpGradientColor right_color_type;
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2001-02-11 03:35:29 +08:00
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GimpRGB right_color;
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2006-08-30 05:44:51 +08:00
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2001-02-11 03:35:29 +08:00
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GimpGradientSegmentType type; /* Segment's blending function */
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GimpGradientSegmentColor color; /* Segment's coloring type */
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GimpGradientSegment *prev;
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GimpGradientSegment *next;
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};
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#define GIMP_TYPE_GRADIENT (gimp_gradient_get_type ())
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Port to glib/gtk+ 2.0 episode I (every segfault has it's beginning)
2001-07-24 Michael Natterer <mitch@gimp.org>
Port to glib/gtk+ 2.0 episode I (every segfault has it's beginning)
* configure.in: require glib/gtk+ >= 1.3.7, commented out the
gtkxmhtml stuff.
From now on, you will need glib, pango, atk and gtk+ HEAD from CVS
to hack or use GIMP HEAD.
Beware, it crashes randomly :)
* app/core/Makefile.am
* app/core/gimpmarshal.list: new file plus rules to generate
gimpmarshal.[ch] from it.
* app/core/*
* app/tools/*
* app/widgets/*
* libgimpwidgets/*: started to use the glib object system. All
core/ objects are still gtk objects however. All signals are
created using g_signal_new(). There are many gtk+ artefacts left.
Finally, we will _not_ use the gtk_signal_foo() wrappers and
friends any more.
* app/colormaps.c
* app/devices.[ch]
* app/disp_callbacks.c
* app/errorconsole.c
* app/file-save.[ch]
* app/interface.c
* app/module_db.c
* app/nav_window.c
* app/ops_buttons.c
* app/scroll.c
* app/user_install.c
* app/gui/about-dialog.c
* app/gui/brush-editor.c
* app/gui/brushes-commands.c
* app/gui/color-notebook.c
* app/gui/colormap-dialog.c
* app/gui/dialogs-commands.c
* app/gui/dialogs-constructors.c
* app/gui/file-commands.c
* app/gui/file-dialog-utils.c
* app/gui/file-new-dialog.c
* app/gui/file-open-dialog.[ch]
* app/gui/file-save-dialog.c
* app/gui/gradient-editor.c
* app/gui/gradients-commands.c
* app/gui/image-commands.c
* app/gui/info-dialog.[ch]
* app/gui/layer-select.c
* app/gui/layers-commands.c
* app/gui/menus.c
* app/gui/offset-dialog.c
* app/gui/palette-editor.c
* app/gui/palettes-commands.c
* app/gui/patterns-commands.c
* app/gui/preferences-dialog.c
* app/gui/resize-dialog.[ch]
* app/gui/splash.c
* app/gui/tips-dialog.c
* app/gui/tool-options-dialog.c
* app/gui/toolbox.c
* app/gui/tools-commands.c
* libgimp/gimpbrushmenu.c
* libgimp/gimpmenu.c
* libgimp/gimppatternmenu.c
* libgimp/gimpui.c
* libgimpbase/gimpenv.c: tons and tons of changes like "const
gchar*", switch from GdkDeviceInfo to GdkDevice (very incomplete
and currently disables), lots of s/gtk_signal/g_signal/,
removal/replacement of deprecated stuff,
s/GtkSignalFunc/GCallback/ and lots of small changes and fixes
while I was on it, zillions of warnings left...
* modules/Makefile.am: disabled the water color selector
temporarily (XInput issues).
* plug-ins/Makefile.am
* plug-ins/common/.cvsignore
* plug-ins/common/Makefile.am
* plug-ins/common/plugin-defs.pl: simply excluded all plug-ins
which did not build (including Script-Fu). They are trivial to
fix.
2001-07-25 05:27:11 +08:00
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#define GIMP_GRADIENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_GRADIENT, GimpGradient))
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#define GIMP_GRADIENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_GRADIENT, GimpGradientClass))
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#define GIMP_IS_GRADIENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_GRADIENT))
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#define GIMP_IS_GRADIENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_GRADIENT))
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2001-10-26 07:08:20 +08:00
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#define GIMP_GRADIENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_GRADIENT, GimpGradientClass))
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2001-02-11 03:35:29 +08:00
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typedef struct _GimpGradientClass GimpGradientClass;
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struct _GimpGradient
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{
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2001-02-11 09:39:24 +08:00
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GimpData parent_instance;
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2001-02-11 03:35:29 +08:00
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GimpGradientSegment *segments;
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};
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struct _GimpGradientClass
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{
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2001-02-11 09:39:24 +08:00
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GimpDataClass parent_class;
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2001-02-11 03:35:29 +08:00
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};
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2005-02-27 07:55:50 +08:00
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GType gimp_gradient_get_type (void) G_GNUC_CONST;
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2001-02-11 03:35:29 +08:00
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2010-04-11 01:55:42 +08:00
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GimpData * gimp_gradient_new (GimpContext *context,
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const gchar *name);
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2010-04-05 19:24:54 +08:00
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GimpData * gimp_gradient_get_standard (GimpContext *context);
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2001-02-11 03:35:29 +08:00
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2005-02-27 07:55:50 +08:00
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GimpGradientSegment * gimp_gradient_get_color_at (GimpGradient *gradient,
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2006-08-30 05:44:51 +08:00
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GimpContext *context,
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2005-02-27 07:55:50 +08:00
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GimpGradientSegment *seg,
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gdouble pos,
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gboolean reverse,
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GimpRGB *color);
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GimpGradientSegment * gimp_gradient_get_segment_at (GimpGradient *grad,
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gdouble pos);
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2001-02-11 03:35:29 +08:00
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2006-09-01 02:47:13 +08:00
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gboolean gimp_gradient_has_fg_bg_segments (GimpGradient *gradient);
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2006-09-20 06:17:06 +08:00
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GimpGradient * gimp_gradient_flatten (GimpGradient *gradient,
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GimpContext *context);
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2006-09-01 02:47:13 +08:00
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2001-02-11 03:35:29 +08:00
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/* gradient segment functions */
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2001-11-27 23:44:02 +08:00
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GimpGradientSegment * gimp_gradient_segment_new (void);
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GimpGradientSegment * gimp_gradient_segment_get_last (GimpGradientSegment *seg);
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GimpGradientSegment * gimp_gradient_segment_get_first (GimpGradientSegment *seg);
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2004-05-31 06:04:16 +08:00
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GimpGradientSegment * gimp_gradient_segment_get_nth (GimpGradientSegment *seg,
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gint index);
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2001-02-11 03:35:29 +08:00
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2004-05-31 06:04:16 +08:00
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void gimp_gradient_segment_free (GimpGradientSegment *seg);
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void gimp_gradient_segments_free (GimpGradientSegment *seg);
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2001-02-11 03:35:29 +08:00
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2004-05-31 06:04:16 +08:00
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void gimp_gradient_segment_split_midpoint (GimpGradient *gradient,
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2006-08-30 05:44:51 +08:00
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GimpContext *context,
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2001-11-27 23:44:02 +08:00
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GimpGradientSegment *lseg,
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GimpGradientSegment **newl,
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GimpGradientSegment **newr);
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2004-05-31 06:04:16 +08:00
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void gimp_gradient_segment_split_uniform (GimpGradient *gradient,
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2006-08-30 05:44:51 +08:00
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GimpContext *context,
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2001-11-27 23:44:02 +08:00
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GimpGradientSegment *lseg,
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gint parts,
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GimpGradientSegment **newl,
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GimpGradientSegment **newr);
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2004-05-31 06:04:16 +08:00
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/* Colors Setting/Getting Routines */
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void gimp_gradient_segment_get_left_color (GimpGradient *gradient,
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GimpGradientSegment *seg,
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GimpRGB *color);
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void gimp_gradient_segment_set_left_color (GimpGradient *gradient,
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GimpGradientSegment *seg,
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const GimpRGB *color);
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void gimp_gradient_segment_get_right_color (GimpGradient *gradient,
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GimpGradientSegment *seg,
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GimpRGB *color);
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void gimp_gradient_segment_set_right_color (GimpGradient *gradient,
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GimpGradientSegment *seg,
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const GimpRGB *color);
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2006-09-01 02:47:13 +08:00
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GimpGradientColor
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gimp_gradient_segment_get_left_color_type (GimpGradient *gradient,
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GimpGradientSegment *seg);
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void
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gimp_gradient_segment_set_left_color_type (GimpGradient *gradient,
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GimpGradientSegment *seg,
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GimpGradientColor color_type);
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GimpGradientColor
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gimp_gradient_segment_get_right_color_type (GimpGradient *gradient,
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GimpGradientSegment *seg);
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void
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gimp_gradient_segment_set_right_color_type (GimpGradient *gradient,
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GimpGradientSegment *seg,
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GimpGradientColor color_type);
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2004-05-31 06:04:16 +08:00
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/* Position Setting/Getting Routines */
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/* (Setters return the position after it was set) */
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gdouble gimp_gradient_segment_get_left_pos (GimpGradient *gradient,
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GimpGradientSegment *seg);
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gdouble gimp_gradient_segment_set_left_pos (GimpGradient *gradient,
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GimpGradientSegment *seg,
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gdouble pos);
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gdouble gimp_gradient_segment_get_right_pos (GimpGradient *gradient,
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GimpGradientSegment *seg);
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gdouble gimp_gradient_segment_set_right_pos (GimpGradient *gradient,
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GimpGradientSegment *seg,
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gdouble pos);
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gdouble gimp_gradient_segment_get_middle_pos (GimpGradient *gradient,
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GimpGradientSegment *seg);
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gdouble gimp_gradient_segment_set_middle_pos (GimpGradient *gradient,
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GimpGradientSegment *seg,
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gdouble pos);
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/* Getting/Setting the Blending Function/Coloring Type */
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GimpGradientSegmentType
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gimp_gradient_segment_get_blending_function (GimpGradient *gradient,
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GimpGradientSegment *seg);
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GimpGradientSegmentColor
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gimp_gradient_segment_get_coloring_type (GimpGradient *gradient,
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GimpGradientSegment *seg);
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/*
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* If the second segment is NULL, these functions will process
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* until the end of the string.
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* */
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void gimp_gradient_segment_range_compress (GimpGradient *gradient,
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GimpGradientSegment *range_l,
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2001-11-27 23:44:02 +08:00
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GimpGradientSegment *range_r,
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gdouble new_l,
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gdouble new_r);
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2004-05-31 06:04:16 +08:00
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void gimp_gradient_segment_range_blend (GimpGradient *gradient,
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GimpGradientSegment *lseg,
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2001-11-27 23:44:02 +08:00
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GimpGradientSegment *rseg,
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2004-05-31 06:04:16 +08:00
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const GimpRGB *rgb1,
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const GimpRGB *rgb2,
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2001-11-27 23:44:02 +08:00
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gboolean blend_colors,
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gboolean blend_opacity);
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2001-02-11 03:35:29 +08:00
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2004-05-31 06:04:16 +08:00
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void gimp_gradient_segment_range_set_blending_function
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(GimpGradient *gradient,
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg,
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GimpGradientSegmentType new_type);
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void gimp_gradient_segment_range_set_coloring_type
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(GimpGradient *gradient,
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg,
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GimpGradientSegmentColor new_color);
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void gimp_gradient_segment_range_flip (GimpGradient *gradient,
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg,
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GimpGradientSegment **final_start_seg,
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GimpGradientSegment **final_end_seg);
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void gimp_gradient_segment_range_replicate (GimpGradient *gradient,
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg,
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gint replicate_times,
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GimpGradientSegment **final_start_seg,
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GimpGradientSegment **final_end_seg);
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void gimp_gradient_segment_range_split_midpoint
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(GimpGradient *gradient,
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2006-08-30 05:44:51 +08:00
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GimpContext *context,
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2004-05-31 06:04:16 +08:00
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg,
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GimpGradientSegment **final_start_seg,
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GimpGradientSegment **final_end_seg);
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void gimp_gradient_segment_range_split_uniform
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(GimpGradient *gradient,
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2006-08-30 05:44:51 +08:00
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GimpContext *context,
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2004-05-31 06:04:16 +08:00
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg,
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gint parts,
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GimpGradientSegment **final_start_seg,
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GimpGradientSegment **final_end_seg);
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void gimp_gradient_segment_range_delete (GimpGradient *gradient,
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg,
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GimpGradientSegment **final_start_seg,
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GimpGradientSegment **final_end_seg);
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void gimp_gradient_segment_range_recenter_handles
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(GimpGradient *gradient,
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg);
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void gimp_gradient_segment_range_redistribute_handles
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(GimpGradient *gradient,
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GimpGradientSegment *start_seg,
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GimpGradientSegment *end_seg);
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gdouble gimp_gradient_segment_range_move (GimpGradient *gradient,
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GimpGradientSegment *range_l,
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GimpGradientSegment *range_r,
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gdouble delta,
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gboolean control_compress);
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2001-02-11 03:35:29 +08:00
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#endif /* __GIMP_GRADIENT_H__ */
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