PIKApp/app/widgets/pikacolorbar.h

65 lines
2.6 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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 __PIKA_COLOR_BAR_H__
#define __PIKA_COLOR_BAR_H__
#define PIKA_TYPE_COLOR_BAR (pika_color_bar_get_type ())
#define PIKA_COLOR_BAR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_COLOR_BAR, PikaColorBar))
#define PIKA_COLOR_BAR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_COLOR_BAR, PikaColorBarClass))
#define PIKA_IS_COLOR_BAR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_COLOR_BAR))
#define PIKA_IS_COLOR_BAR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_COLOR_BAR))
#define PIKA_COLOR_BAR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_COLOR_BAR, PikaColorBarClass))
typedef struct _PikaColorBarClass PikaColorBarClass;
struct _PikaColorBar
{
GtkEventBox parent_class;
GtkOrientation orientation;
guchar buf[3 * 256];
};
struct _PikaColorBarClass
{
GtkEventBoxClass parent_class;
};
GType pika_color_bar_get_type (void) G_GNUC_CONST;
GtkWidget * pika_color_bar_new (GtkOrientation orientation);
void pika_color_bar_set_color (PikaColorBar *bar,
const PikaRGB *color);
void pika_color_bar_set_channel (PikaColorBar *bar,
PikaHistogramChannel channel);
void pika_color_bar_set_buffers (PikaColorBar *bar,
const guchar *red,
const guchar *green,
const guchar *blue);
#endif /* __PIKA_COLOR_BAR_H__ */