135 lines
4.9 KiB
C
135 lines
4.9 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_CURVE_VIEW_H__
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#define __PIKA_CURVE_VIEW_H__
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#include "pikahistogramview.h"
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#define PIKA_TYPE_CURVE_VIEW (pika_curve_view_get_type ())
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#define PIKA_CURVE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_CURVE_VIEW, PikaCurveView))
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#define PIKA_CURVE_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_CURVE_VIEW, PikaCurveViewClass))
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#define PIKA_IS_CURVE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_CURVE_VIEW))
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#define PIKA_IS_CURVE_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_CURVE_VIEW))
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#define PIKA_CURVE_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_CURVE_VIEW, PikaCurveViewClass))
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typedef struct _PikaCurveViewClass PikaCurveViewClass;
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struct _PikaCurveView
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{
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PikaHistogramView parent_instance;
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Pika *pika; /* only needed for copy & paste */
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PikaCurve *curve;
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PikaRGB *curve_color;
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GList *bg_curves;
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gboolean draw_base_line;
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gint grid_rows;
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gint grid_columns;
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gint selected;
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gdouble offset_x;
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gdouble offset_y;
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PikaCurvePointType point_type;
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gdouble last_x;
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gdouble last_y;
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gdouble leftmost;
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gdouble rightmost;
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gboolean grabbed;
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PikaCurve *orig_curve;
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GdkCursorType cursor_type;
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gdouble xpos;
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PangoLayout *layout;
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gdouble range_x_min;
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gdouble range_x_max;
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gdouble range_y_min;
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gdouble range_y_max;
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gdouble cursor_x;
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gdouble cursor_y;
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PangoLayout *cursor_layout;
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PangoRectangle cursor_rect;
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gchar *x_axis_label;
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gchar *y_axis_label;
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};
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struct _PikaCurveViewClass
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{
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PikaHistogramViewClass parent_class;
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/* signals */
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void (* selection_changed) (PikaCurveView *view);
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void (* cut_clipboard) (PikaCurveView *view);
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void (* copy_clipboard) (PikaCurveView *view);
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void (* paste_clipboard) (PikaCurveView *view);
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};
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GType pika_curve_view_get_type (void) G_GNUC_CONST;
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GtkWidget * pika_curve_view_new (void);
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void pika_curve_view_set_curve (PikaCurveView *view,
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PikaCurve *curve,
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const PikaRGB *color);
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PikaCurve * pika_curve_view_get_curve (PikaCurveView *view);
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void pika_curve_view_add_background (PikaCurveView *view,
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PikaCurve *curve,
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const PikaRGB *color);
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void pika_curve_view_remove_background (PikaCurveView *view,
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PikaCurve *curve);
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void pika_curve_view_remove_all_backgrounds (PikaCurveView *view);
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void pika_curve_view_set_selected (PikaCurveView *view,
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gint selected);
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gint pika_curve_view_get_selected (PikaCurveView *view);
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void pika_curve_view_set_range_x (PikaCurveView *view,
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gdouble min,
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gdouble max);
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void pika_curve_view_set_range_y (PikaCurveView *view,
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gdouble min,
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gdouble max);
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void pika_curve_view_set_xpos (PikaCurveView *view,
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gdouble x);
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void pika_curve_view_set_x_axis_label (PikaCurveView *view,
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const gchar *label);
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void pika_curve_view_set_y_axis_label (PikaCurveView *view,
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const gchar *label);
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#endif /* __PIKA_CURVE_VIEW_H__ */
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