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117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/* HSV color selector for GTK+
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*
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* Copyright (C) 1999 The Free Software Foundation
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*
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* Authors: Simon Budig <Simon.Budig@unix-ag.org> (original code)
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* Federico Mena-Quintero <federico@gimp.org> (cleanup for GTK+)
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* Jonathan Blandford <jrb@redhat.com> (cleanup for GTK+)
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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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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#ifndef __GTK_HSV_H__
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#define __GTK_HSV_H__
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_HSV (gtk_hsv_get_type ())
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#define GTK_HSV(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_HSV, GtkHSV))
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#define GTK_HSV_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_HSV, GtkHSVClass))
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#define GTK_IS_HSV(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_HSV))
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#define GTK_IS_HSV_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_HSV))
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#define GTK_HSV_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_HSV, GtkHSVClass))
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typedef struct _GtkHSV GtkHSV;
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typedef struct _GtkHSVPriv GtkHSVPriv;
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typedef struct _GtkHSVClass GtkHSVClass;
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struct _GtkHSV
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{
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GtkWidget parent_instance;
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/* <private> */
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GtkHSVPriv *priv;
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};
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struct _GtkHSVClass
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{
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GtkWidgetClass parent_class;
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/* Notification signals */
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void (* changed) (GtkHSV *hsv);
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/* Keybindings */
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void (* move) (GtkHSV *hsv,
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GtkDirectionType type);
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/* Padding for future expansion */
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void (*_gtk_reserved1) (void);
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void (*_gtk_reserved2) (void);
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void (*_gtk_reserved3) (void);
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void (*_gtk_reserved4) (void);
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};
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GType gtk_hsv_get_type (void) G_GNUC_CONST;
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GtkWidget* gtk_hsv_new (void);
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void gtk_hsv_set_color (GtkHSV *hsv,
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double h,
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double s,
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double v);
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void gtk_hsv_get_color (GtkHSV *hsv,
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gdouble *h,
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gdouble *s,
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gdouble *v);
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void gtk_hsv_set_metrics (GtkHSV *hsv,
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gint size,
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gint ring_width);
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void gtk_hsv_get_metrics (GtkHSV *hsv,
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gint *size,
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gint *ring_width);
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gboolean gtk_hsv_is_adjusting (GtkHSV *hsv);
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/* Convert colors between the RGB and HSV color spaces */
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void gtk_hsv_to_rgb (gdouble h,
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gdouble s,
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gdouble v,
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gdouble *r,
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gdouble *g,
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gdouble *b);
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void gtk_rgb_to_hsv (gdouble r,
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gdouble g,
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gdouble b,
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gdouble *h,
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gdouble *s,
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gdouble *v);
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G_END_DECLS
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#endif /* __GTK_HSV_H__ */
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