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-rw-r--r--app/widgets/gimpcurveview.h130
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diff --git a/app/widgets/gimpcurveview.h b/app/widgets/gimpcurveview.h
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+/* 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 <https://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 offset_x;
+ gdouble offset_y;
+ GimpCurvePointType point_type;
+ gdouble last_x;
+ gdouble last_y;
+ gdouble leftmost;
+ gdouble rightmost;
+ gboolean grabbed;
+ GimpCurve *orig_curve;
+
+ GdkCursorType cursor_type;
+
+ gdouble xpos;
+
+ PangoLayout *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;
+
+ gchar *x_axis_label;
+ gchar *y_axis_label;
+};
+
+struct _GimpCurveViewClass
+{
+ GimpHistogramViewClass parent_class;
+
+ /* signals */
+ void (* selection_changed) (GimpCurveView *view);
+
+ 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);
+gint gimp_curve_view_get_selected (GimpCurveView *view);
+
+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);
+
+void gimp_curve_view_set_x_axis_label (GimpCurveView *view,
+ const gchar *label);
+void gimp_curve_view_set_y_axis_label (GimpCurveView *view,
+ const gchar *label);
+
+
+#endif /* __GIMP_CURVE_VIEW_H__ */