PIKApp/app/core/pikahistogram.h

110 lines
5.7 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
*
* gimphistogram module Copyright (C) 1999 Jay Cox <jaycox@gimp.org>
*
* 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_HISTOGRAM_H__
#define __PIKA_HISTOGRAM_H__
#include "pikaobject.h"
#define PIKA_TYPE_HISTOGRAM (pika_histogram_get_type ())
#define PIKA_HISTOGRAM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_HISTOGRAM, PikaHistogram))
#define PIKA_HISTOGRAM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_HISTOGRAM, PikaHistogramClass))
#define PIKA_IS_HISTOGRAM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_HISTOGRAM))
#define PIKA_IS_HISTOGRAM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_HISTOGRAM))
#define PIKA_HISTOGRAM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_HISTOGRAM, PikaHistogramClass))
typedef struct _PikaHistogramPrivate PikaHistogramPrivate;
typedef struct _PikaHistogramClass PikaHistogramClass;
struct _PikaHistogram
{
PikaObject parent_instance;
PikaHistogramPrivate *priv;
};
struct _PikaHistogramClass
{
PikaObjectClass parent_class;
};
GType pika_histogram_get_type (void) G_GNUC_CONST;
PikaHistogram * pika_histogram_new (PikaTRCType trc);
PikaHistogram * pika_histogram_duplicate (PikaHistogram *histogram);
void pika_histogram_calculate (PikaHistogram *histogram,
GeglBuffer *buffer,
const GeglRectangle *buffer_rect,
GeglBuffer *mask,
const GeglRectangle *mask_rect);
PikaAsync * pika_histogram_calculate_async (PikaHistogram *histogram,
GeglBuffer *buffer,
const GeglRectangle *buffer_rect,
GeglBuffer *mask,
const GeglRectangle *mask_rect);
void pika_histogram_clear_values (PikaHistogram *histogram,
gint n_components);
gdouble pika_histogram_get_maximum (PikaHistogram *histogram,
PikaHistogramChannel channel);
gdouble pika_histogram_get_count (PikaHistogram *histogram,
PikaHistogramChannel channel,
gint start,
gint end);
gdouble pika_histogram_get_mean (PikaHistogram *histogram,
PikaHistogramChannel channel,
gint start,
gint end);
gdouble pika_histogram_get_median (PikaHistogram *histogram,
PikaHistogramChannel channel,
gint start,
gint end);
gdouble pika_histogram_get_std_dev (PikaHistogram *histogram,
PikaHistogramChannel channel,
gint start,
gint end);
gdouble pika_histogram_get_threshold (PikaHistogram *histogram,
PikaHistogramChannel channel,
gint start,
gint end);
gdouble pika_histogram_get_value (PikaHistogram *histogram,
PikaHistogramChannel channel,
gint bin);
gdouble pika_histogram_get_component (PikaHistogram *histogram,
gint component,
gint bin);
gint pika_histogram_n_components (PikaHistogram *histogram);
gint pika_histogram_n_bins (PikaHistogram *histogram);
gboolean pika_histogram_has_channel (PikaHistogram *histogram,
PikaHistogramChannel channel);
#endif /* __PIKA_HISTOGRAM_H__ */