gimp/app/widgets/gimpcurveview.h

113 lines
4.1 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_CURVE_VIEW_H__
#define __GIMP_CURVE_VIEW_H__
#include "gimphistogramview.h"
#define GIMP_TYPE_CURVE_VIEW (gimp_curve_view_get_type ())
#define GIMP_CURVE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CURVE_VIEW, GimpCurveView))
#define GIMP_CURVE_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CURVE_VIEW, GimpCurveViewClass))
#define GIMP_IS_CURVE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CURVE_VIEW))
#define GIMP_IS_CURVE_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CURVE_VIEW))
#define GIMP_CURVE_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CURVE_VIEW, GimpCurveViewClass))
typedef struct _GimpCurveViewClass GimpCurveViewClass;
struct _GimpCurveView
{
GimpHistogramView parent_instance;
Gimp *gimp; /* only needed for copy & paste */
GimpCurve *curve;
GimpRGB *curve_color;
GList *bg_curves;
gboolean draw_base_line;
gint grid_rows;
gint grid_columns;
gint selected;
gdouble last_x;
gdouble last_y;
gdouble leftmost;
gdouble rightmost;
gboolean grabbed;
GdkCursorType cursor_type;
gdouble xpos;
PangoLayout *xpos_layout;
gdouble range_x_min;
gdouble range_x_max;
gdouble range_y_min;
gdouble range_y_max;
gdouble cursor_x;
gdouble cursor_y;
PangoLayout *cursor_layout;
PangoRectangle cursor_rect;
};
struct _GimpCurveViewClass
{
GimpHistogramViewClass parent_class;
void (* cut_clipboard) (GimpCurveView *view);
void (* copy_clipboard) (GimpCurveView *view);
void (* paste_clipboard) (GimpCurveView *view);
};
GType gimp_curve_view_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_curve_view_new (void);
void gimp_curve_view_set_curve (GimpCurveView *view,
GimpCurve *curve,
const GimpRGB *color);
GimpCurve * gimp_curve_view_get_curve (GimpCurveView *view);
void gimp_curve_view_add_background (GimpCurveView *view,
GimpCurve *curve,
const GimpRGB *color);
void gimp_curve_view_remove_background (GimpCurveView *view,
GimpCurve *curve);
void gimp_curve_view_remove_all_backgrounds (GimpCurveView *view);
void gimp_curve_view_set_selected (GimpCurveView *view,
gint selected);
void gimp_curve_view_set_range_x (GimpCurveView *view,
gdouble min,
gdouble max);
void gimp_curve_view_set_range_y (GimpCurveView *view,
gdouble min,
gdouble max);
void gimp_curve_view_set_xpos (GimpCurveView *view,
gdouble x);
#endif /* __GIMP_CURVE_VIEW_H__ */