mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-09-21 14:24:19 +00:00
498 lines
15 KiB
C
498 lines
15 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1997 David Mosberger
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include <config.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <gdk-pixbuf/gdk-pixdata.h>
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#include "gtkgamma.h"
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#include "gtkcurve.h"
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#include "gtkdialog.h"
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#include "gtkdrawingarea.h"
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#include "gtkentry.h"
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#include "gtkhbox.h"
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#include "gtkimage.h"
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#include "gtklabel.h"
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#include "gtkmain.h"
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#include "gtkradiobutton.h"
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#include "gtkstock.h"
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#include "gtktable.h"
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#include "gtkvbox.h"
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#include "gtkwindow.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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/* forward declarations: */
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static void gtk_gamma_curve_destroy (GtkObject *object);
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static void curve_type_changed_callback (GtkWidget *w, gpointer data);
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static void button_realize_callback (GtkWidget *w);
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static void button_toggled_callback (GtkWidget *w, gpointer data);
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static void button_clicked_callback (GtkWidget *w, gpointer data);
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enum
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{
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LINEAR = 0,
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SPLINE,
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FREE,
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GAMMA,
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RESET,
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NUM_XPMS
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};
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/* GdkPixbuf RGBA C-Source image dump 1-byte-run-length-encoded */
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#ifdef __SUNPRO_C
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#pragma align 4 (spline_pixdata)
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#endif
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#ifdef __GNUC__
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static const guint8 spline_pixdata[] __attribute__ ((__aligned__ (4))) =
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#else
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static const guint8 spline_pixdata[] =
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#endif
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{ ""
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/* Pixbuf magic (0x47646b50) */
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"GdkP"
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/* length: header (24) + pixel_data (182) */
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"\0\0\0\316"
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/* pixdata_type (0x2010002) */
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"\2\1\0\2"
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/* rowstride (64) */
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"\0\0\0@"
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/* width (16) */
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"\0\0\0\20"
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/* height (16) */
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"\0\0\0\20"
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/* pixel_data: */
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"\216\0\0\0\0\202\0\0\0\377\211\0\0\0\0\206\377\0\0\377\1\0\0\0\377\207"
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"\0\0\0\0\202\377\0\0\377\214\0\0\0\0\2\0\0\0\377\274--\377\215\0\0\0"
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"\0\203\0\0\0\377\215\0\0\0\0\2\274--\377\0\0\0\377\216\0\0\0\0\1\377"
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"\0\0\377\216\0\0\0\0\1\377\0\0\377\217\0\0\0\0\1\377\0\0\377\216\0\0"
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"\0\0\1\377\0\0\377\217\0\0\0\0\1\377\0\0\377\216\0\0\0\0\1\377\0\0\377"
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"\217\0\0\0\0\1\377\0\0\377\217\0\0\0\0\1\377\0\0\377\216\0\0\0\0\2\0"
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"\0\0\377\274--\377\216\0\0\0\0\202\0\0\0\377\216\0\0\0\0"};
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/* GdkPixbuf RGBA C-Source image dump 1-byte-run-length-encoded */
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#ifdef __SUNPRO_C
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#pragma align 4 (linear_pixdata)
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#endif
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#ifdef __GNUC__
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static const guint8 linear_pixdata[] __attribute__ ((__aligned__ (4))) =
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#else
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static const guint8 linear_pixdata[] =
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#endif
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{ ""
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/* Pixbuf magic (0x47646b50) */
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"GdkP"
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/* length: header (24) + pixel_data (323) */
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"\0\0\1["
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/* pixdata_type (0x2010002) */
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"\2\1\0\2"
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/* rowstride (64) */
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"\0\0\0@"
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/* width (16) */
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"\0\0\0\20"
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/* height (16) */
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"\0\0\0\20"
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/* pixel_data: */
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"\216\0\0\0\0\202\0\0\0\377\216\0\0\0\0\2\202AA\377\0\0\0\377\216\0\0"
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"\0\0\1\377\0\0\377\216\0\0\0\0\1\377\0\0\377\217\0\0\0\0\1\377\0\0\377"
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"\206\0\0\0\0\3\177\177\177\377\0\0\0\377\177\177\177\377\205\0\0\0\0"
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"\1\377\0\0\377\207\0\0\0\0\203\0\0\0\377\205\0\0\0\0\1\377\0\0\377\207"
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"\0\0\0\0\3\202AA\377\0\0\0\377\202AA\377\204\0\0\0\0\1\377\0\0\377\210"
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"\0\0\0\0\3\377\0\0\377\0\0\0\0\377\0\0\377\204\0\0\0\0\1\377\0\0\377"
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"\207\0\0\0\0\1\377\0\0\377\203\0\0\0\0\1\377\0\0\377\202\0\0\0\0\1\377"
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"\0\0\377\210\0\0\0\0\1\377\0\0\377\203\0\0\0\0\1\377\0\0\377\202\0\0"
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"\0\0\1\377\0\0\377\207\0\0\0\0\1\377\0\0\377\205\0\0\0\0\3\377\0\0\377"
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"\0\0\0\377\202AA\377\207\0\0\0\0\1\377\0\0\377\205\0\0\0\0\203\0\0\0"
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"\377\206\0\0\0\0\1\377\0\0\377\206\0\0\0\0\3\177\177\177\377\0\0\0\377"
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"\177\177\177\377\205\0\0\0\0\2\0\0\0\377\202AA\377\216\0\0\0\0\202\0"
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"\0\0\377\216\0\0\0\0"};
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/* GdkPixbuf RGBA C-Source image dump 1-byte-run-length-encoded */
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#ifdef __SUNPRO_C
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#pragma align 4 (free_pixdata)
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#endif
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#ifdef __GNUC__
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static const guint8 free_pixdata[] __attribute__ ((__aligned__ (4))) =
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#else
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static const guint8 free_pixdata[] =
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#endif
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{ ""
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/* Pixbuf magic (0x47646b50) */
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"GdkP"
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/* length: header (24) + pixel_data (204) */
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"\0\0\0\344"
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/* pixdata_type (0x2010002) */
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"\2\1\0\2"
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/* rowstride (64) */
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"\0\0\0@"
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/* width (16) */
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"\0\0\0\20"
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/* height (16) */
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"\0\0\0\20"
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/* pixel_data: */
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"\246\0\0\0\0\1\377\0\0\377\217\0\0\0\0\1\377\0\0\377\220\0\0\0\0\1\377"
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"\0\0\377\217\0\0\0\0\1\377\0\0\377\217\0\0\0\0\1\377\0\0\377\220\0\0"
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"\0\0\1\377\0\0\377\217\0\0\0\0\1\377\0\0\377\217\0\0\0\0\1\377\0\0\377"
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"\214\0\0\0\0\1\377\0\0\377\203\0\0\0\0\2\377\0\0\377\0\0\0\0\205\377"
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"\0\0\377\204\0\0\0\0\1\377\0\0\377\204\0\0\0\0\1\377\0\0\377\211\0\0"
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"\0\0\1\377\0\0\377\205\0\0\0\0\1\377\0\0\377\210\0\0\0\0\1\377\0\0\377"
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"\207\0\0\0\0\1\377\0\0\377\206\0\0\0\0\1\377\0\0\377\210\0\0\0\0\1\377"
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"\0\0\377\205\0\0\0\0\1\377\0\0\377\217\0\0\0\0"};
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/* GdkPixbuf RGBA C-Source image dump 1-byte-run-length-encoded */
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#ifdef __SUNPRO_C
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#pragma align 4 (gamma_pixdata)
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#endif
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#ifdef __GNUC__
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static const guint8 gamma_pixdata[] __attribute__ ((__aligned__ (4))) =
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#else
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static const guint8 gamma_pixdata[] =
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#endif
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{ ""
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/* Pixbuf magic (0x47646b50) */
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"GdkP"
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/* length: header (24) + pixel_data (218) */
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"\0\0\0\362"
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/* pixdata_type (0x2010002) */
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"\2\1\0\2"
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/* rowstride (64) */
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"\0\0\0@"
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/* width (16) */
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"\0\0\0\20"
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/* height (16) */
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"\0\0\0\20"
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/* pixel_data: */
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"\264\0\0\0\0\2\0\0\0\377^^^\377\202\0\0\0\0\3\214\214\214\377\0\0\0\377"
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"\214\214\214\377\211\0\0\0\0\7FFF\377\27\27\27\377\273\273\273\377\0"
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"\0\0\0uuu\377\27\27\27\377\244\244\244\377\212\0\0\0\0\3uuu\377\214\214"
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"\214\377\0\0\0\0\202FFF\377\214\0\0\0\0\4\0\0\0\377\0\0\0\0\0\0\0\377"
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"\214\214\214\377\214\0\0\0\0\3FFF\377\0\0\0\0FFF\377\215\0\0\0\0\3FF"
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"F\377\27\27\27\377\214\214\214\377\215\0\0\0\0\2\244\244\244\377\0\0"
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"\0\377\216\0\0\0\0\2uuu\377^^^\377\216\0\0\0\0\2///\377\0\0\0\377\216"
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"\0\0\0\0\202\0\0\0\377\216\0\0\0\0\2\0\0\0\377///\377\250\0\0\0\0"};
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/* GdkPixbuf RGBA C-Source image dump 1-byte-run-length-encoded */
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#ifdef __SUNPRO_C
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#pragma align 4 (reset_pixdata)
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#endif
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#ifdef __GNUC__
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static const guint8 reset_pixdata[] __attribute__ ((__aligned__ (4))) =
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#else
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static const guint8 reset_pixdata[] =
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#endif
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{ ""
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/* Pixbuf magic (0x47646b50) */
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"GdkP"
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/* length: header (24) + pixel_data (173) */
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"\0\0\0\305"
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/* pixdata_type (0x2010002) */
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"\2\1\0\2"
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/* rowstride (64) */
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"\0\0\0@"
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/* width (16) */
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"\0\0\0\20"
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/* height (16) */
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"\0\0\0\20"
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/* pixel_data: */
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"\216\0\0\0\0\202\0\0\0\377\216\0\0\0\0\2\202AA\377\0\0\0\377\215\0\0"
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"\0\0\1\377\0\0\377\216\0\0\0\0\1\377\0\0\377\216\0\0\0\0\1\377\0\0\377"
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"\216\0\0\0\0\1\377\0\0\377\216\0\0\0\0\1\377\0\0\377\216\0\0\0\0\1\377"
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"\0\0\377\216\0\0\0\0\1\377\0\0\377\216\0\0\0\0\1\377\0\0\377\216\0\0"
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"\0\0\1\377\0\0\377\216\0\0\0\0\1\377\0\0\377\216\0\0\0\0\1\377\0\0\377"
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"\216\0\0\0\0\1\377\0\0\377\215\0\0\0\0\2\0\0\0\377\202AA\377\216\0\0"
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"\0\0\202\0\0\0\377\216\0\0\0\0"};
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G_DEFINE_TYPE (GtkGammaCurve, gtk_gamma_curve, GTK_TYPE_VBOX)
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static void
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gtk_gamma_curve_class_init (GtkGammaCurveClass *class)
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{
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GtkObjectClass *object_class;
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object_class = (GtkObjectClass *) class;
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object_class->destroy = gtk_gamma_curve_destroy;
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}
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static void
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gtk_gamma_curve_init (GtkGammaCurve *curve)
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{
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GtkWidget *vbox;
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int i;
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curve->gamma = 1.0;
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curve->table = gtk_table_new (1, 2, FALSE);
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gtk_table_set_col_spacings (GTK_TABLE (curve->table), 3);
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gtk_container_add (GTK_CONTAINER (curve), curve->table);
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curve->curve = gtk_curve_new ();
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g_signal_connect (curve->curve, "curve_type_changed",
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G_CALLBACK (curve_type_changed_callback), curve);
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gtk_table_attach_defaults (GTK_TABLE (curve->table), curve->curve, 0, 1, 0, 1);
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vbox = gtk_vbox_new (/* homogeneous */ FALSE, /* spacing */ 3);
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gtk_table_attach (GTK_TABLE (curve->table), vbox, 1, 2, 0, 1, 0, 0, 0, 0);
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/* toggle buttons: */
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for (i = 0; i < 3; ++i)
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{
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curve->button[i] = gtk_toggle_button_new ();
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g_object_set_data (G_OBJECT (curve->button[i]), I_("_GtkGammaCurveIndex"),
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GINT_TO_POINTER (i));
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gtk_container_add (GTK_CONTAINER (vbox), curve->button[i]);
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g_signal_connect (curve->button[i], "realize",
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G_CALLBACK (button_realize_callback), NULL);
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g_signal_connect (curve->button[i], "toggled",
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G_CALLBACK (button_toggled_callback), curve);
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gtk_widget_show (curve->button[i]);
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}
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/* push buttons: */
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for (i = 3; i < 5; ++i)
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{
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curve->button[i] = gtk_button_new ();
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g_object_set_data (G_OBJECT (curve->button[i]), I_("_GtkGammaCurveIndex"),
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GINT_TO_POINTER (i));
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gtk_container_add (GTK_CONTAINER (vbox), curve->button[i]);
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g_signal_connect (curve->button[i], "realize",
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G_CALLBACK (button_realize_callback), NULL);
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g_signal_connect (curve->button[i], "clicked",
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G_CALLBACK (button_clicked_callback), curve);
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gtk_widget_show (curve->button[i]);
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}
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gtk_widget_show (vbox);
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gtk_widget_show (curve->table);
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gtk_widget_show (curve->curve);
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}
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static void
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button_realize_callback (GtkWidget *w)
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{
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GtkWidget *image;
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struct {
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const guint8 *stream;
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gint length;
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} streams[5] = {
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{ linear_pixdata, sizeof (linear_pixdata) },
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{ spline_pixdata, sizeof (spline_pixdata) },
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{ free_pixdata, sizeof (free_pixdata) },
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{ gamma_pixdata, sizeof (gamma_pixdata) },
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{ reset_pixdata, sizeof (reset_pixdata) }
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};
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GdkPixdata pixdata;
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GdkPixbuf *pixbuf;
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int i;
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i = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (w), "_GtkGammaCurveIndex"));
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gdk_pixdata_deserialize (&pixdata, streams[i].length, streams[i].stream, NULL);
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pixbuf = gdk_pixbuf_from_pixdata (&pixdata, TRUE, NULL);
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image = gtk_image_new_from_pixbuf (pixbuf);
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gtk_container_add (GTK_CONTAINER (w), image);
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gtk_widget_show (image);
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g_object_unref (pixbuf);
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}
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static void
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button_toggled_callback (GtkWidget *w, gpointer data)
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{
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GtkGammaCurve *c = data;
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GtkCurveType type;
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int active, i;
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if (!GTK_TOGGLE_BUTTON (w)->active)
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return;
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active = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (w), "_GtkGammaCurveIndex"));
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for (i = 0; i < 3; ++i)
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if ((i != active) && GTK_TOGGLE_BUTTON (c->button[i])->active)
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break;
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if (i < 3)
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (c->button[i]), FALSE);
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switch (active)
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{
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case 0: type = GTK_CURVE_TYPE_SPLINE; break;
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case 1: type = GTK_CURVE_TYPE_LINEAR; break;
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default: type = GTK_CURVE_TYPE_FREE; break;
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}
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gtk_curve_set_curve_type (GTK_CURVE (c->curve), type);
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}
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static void
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gamma_cancel_callback (GtkWidget *w, gpointer data)
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{
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GtkGammaCurve *c = data;
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gtk_widget_destroy (c->gamma_dialog);
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}
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static void
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gamma_ok_callback (GtkWidget *w, gpointer data)
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{
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GtkGammaCurve *c = data;
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const gchar *start;
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gchar *end;
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gfloat v;
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start = gtk_entry_get_text (GTK_ENTRY (c->gamma_text));
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if (start)
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{
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v = g_strtod (start, &end);
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if (end > start && v > 0.0)
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c->gamma = v;
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}
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gtk_curve_set_gamma (GTK_CURVE (c->curve), c->gamma);
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gamma_cancel_callback (w, data);
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}
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static void
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button_clicked_callback (GtkWidget *w, gpointer data)
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{
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GtkGammaCurve *c = data;
|
|
int active;
|
|
|
|
active = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (w), "_GtkGammaCurveIndex"));
|
|
if (active == 3)
|
|
{
|
|
/* set gamma */
|
|
if (c->gamma_dialog)
|
|
return;
|
|
else
|
|
{
|
|
GtkWidget *vbox, *hbox, *label, *button;
|
|
gchar buf[64];
|
|
|
|
c->gamma_dialog = gtk_dialog_new ();
|
|
gtk_window_set_screen (GTK_WINDOW (c->gamma_dialog),
|
|
gtk_widget_get_screen (w));
|
|
gtk_window_set_title (GTK_WINDOW (c->gamma_dialog), _("Gamma"));
|
|
g_object_add_weak_pointer (G_OBJECT (c->gamma_dialog),
|
|
(gpointer *)&c->gamma_dialog);
|
|
|
|
vbox = GTK_DIALOG (c->gamma_dialog)->vbox;
|
|
|
|
hbox = gtk_hbox_new (/* homogeneous */ FALSE, 0);
|
|
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 2);
|
|
gtk_widget_show (hbox);
|
|
|
|
label = gtk_label_new_with_mnemonic (_("_Gamma value"));
|
|
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 2);
|
|
gtk_widget_show (label);
|
|
|
|
sprintf (buf, "%g", c->gamma);
|
|
c->gamma_text = gtk_entry_new ();
|
|
gtk_label_set_mnemonic_widget (GTK_LABEL (label), c->gamma_text);
|
|
gtk_entry_set_text (GTK_ENTRY (c->gamma_text), buf);
|
|
gtk_box_pack_start (GTK_BOX (hbox), c->gamma_text, TRUE, TRUE, 2);
|
|
gtk_widget_show (c->gamma_text);
|
|
|
|
/* fill in action area: */
|
|
hbox = GTK_DIALOG (c->gamma_dialog)->action_area;
|
|
|
|
button = gtk_button_new_from_stock (GTK_STOCK_CANCEL);
|
|
g_signal_connect (button, "clicked",
|
|
G_CALLBACK (gamma_cancel_callback), c);
|
|
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
|
|
gtk_widget_show (button);
|
|
|
|
button = gtk_button_new_from_stock (GTK_STOCK_OK);
|
|
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
|
|
g_signal_connect (button, "clicked",
|
|
G_CALLBACK (gamma_ok_callback), c);
|
|
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
|
|
gtk_widget_grab_default (button);
|
|
gtk_widget_show (button);
|
|
|
|
gtk_widget_show (c->gamma_dialog);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* reset */
|
|
gtk_curve_reset (GTK_CURVE (c->curve));
|
|
}
|
|
}
|
|
|
|
static void
|
|
curve_type_changed_callback (GtkWidget *w, gpointer data)
|
|
{
|
|
GtkGammaCurve *c = data;
|
|
GtkCurveType new_type;
|
|
int active;
|
|
|
|
new_type = GTK_CURVE (w)->curve_type;
|
|
switch (new_type)
|
|
{
|
|
case GTK_CURVE_TYPE_SPLINE: active = 0; break;
|
|
case GTK_CURVE_TYPE_LINEAR: active = 1; break;
|
|
default: active = 2; break;
|
|
}
|
|
if (!GTK_TOGGLE_BUTTON (c->button[active])->active)
|
|
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (c->button[active]), TRUE);
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_gamma_curve_new (void)
|
|
{
|
|
return g_object_new (GTK_TYPE_GAMMA_CURVE, NULL);
|
|
}
|
|
|
|
static void
|
|
gtk_gamma_curve_destroy (GtkObject *object)
|
|
{
|
|
GtkGammaCurve *c;
|
|
|
|
g_return_if_fail (GTK_IS_GAMMA_CURVE (object));
|
|
|
|
c = GTK_GAMMA_CURVE (object);
|
|
|
|
if (c->gamma_dialog)
|
|
gtk_widget_destroy (c->gamma_dialog);
|
|
|
|
if (GTK_OBJECT_CLASS (gtk_gamma_curve_parent_class)->destroy)
|
|
(* GTK_OBJECT_CLASS (gtk_gamma_curve_parent_class)->destroy) (object);
|
|
}
|
|
|
|
#define __GTK_GAMMA_CURVE_C__
|
|
#include "gtkaliasdef.c"
|