Blame gtk/gtkcurve.h

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/* GTK - The GIMP Toolkit
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 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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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#ifndef GTK_DISABLE_DEPRECATED
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#ifndef __GTK_CURVE_H__
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#define __GTK_CURVE_H__
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#include <gtk/gtkdrawingarea.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_CURVE                  (gtk_curve_get_type ())
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#define GTK_CURVE(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CURVE, GtkCurve))
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#define GTK_CURVE_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CURVE, GtkCurveClass))
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#define GTK_IS_CURVE(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CURVE))
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#define GTK_IS_CURVE_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CURVE))
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#define GTK_CURVE_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CURVE, GtkCurveClass))
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typedef struct _GtkCurve	GtkCurve;
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typedef struct _GtkCurveClass	GtkCurveClass;
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struct _GtkCurve
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{
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  GtkDrawingArea graph;
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  gint cursor_type;
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  gfloat min_x;
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  gfloat max_x;
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  gfloat min_y;
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  gfloat max_y;
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  GdkPixmap *pixmap;
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  GtkCurveType curve_type;
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  gint height;                  /* (cached) graph height in pixels */
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  gint grab_point;              /* point currently grabbed */
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  gint last;
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  /* (cached) curve points: */
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  gint num_points;
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  GdkPoint *point;
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  /* control points: */
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  gint num_ctlpoints;           /* number of control points */
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  gfloat (*ctlpoint)[2];        /* array of control points */
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};
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struct _GtkCurveClass
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{
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  GtkDrawingAreaClass parent_class;
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  void (* curve_type_changed) (GtkCurve *curve);
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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_curve_get_type	(void) G_GNUC_CONST;
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GtkWidget*	gtk_curve_new		(void);
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void		gtk_curve_reset		(GtkCurve *curve);
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void		gtk_curve_set_gamma	(GtkCurve *curve, gfloat gamma_);
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void		gtk_curve_set_range	(GtkCurve *curve,
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					 gfloat min_x, gfloat max_x,
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					 gfloat min_y, gfloat max_y);
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void		gtk_curve_get_vector	(GtkCurve *curve,
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					 int veclen, gfloat vector[]);
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void		gtk_curve_set_vector	(GtkCurve *curve,
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					 int veclen, gfloat vector[]);
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void		gtk_curve_set_curve_type (GtkCurve *curve, GtkCurveType type);
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G_END_DECLS
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#endif /* __GTK_CURVE_H__ */
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#endif /* GTK_DISABLE_DEPRECATED */