eb6f544c18
Add an n_components parameter to gimp_histogram_clear_values(), which allows to set the new component count when clearing the histogram. This is useful to seed the histogram with the correct number of channels, for display purposes, before starting an async histogram calculation. We use this in GimpHistogramEditor, to avoid resetting the view's channel back to "Value" each time the active drawable changes.
106 lines
5.4 KiB
C
106 lines
5.4 KiB
C
/* GIMP - The GNU Image Manipulation Program
|
|
* 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 __GIMP_HISTOGRAM_H__
|
|
#define __GIMP_HISTOGRAM_H__
|
|
|
|
|
|
#include "gimpobject.h"
|
|
|
|
|
|
#define GIMP_TYPE_HISTOGRAM (gimp_histogram_get_type ())
|
|
#define GIMP_HISTOGRAM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_HISTOGRAM, GimpHistogram))
|
|
#define GIMP_HISTOGRAM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_HISTOGRAM, GimpHistogramClass))
|
|
#define GIMP_IS_HISTOGRAM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_HISTOGRAM))
|
|
#define GIMP_IS_HISTOGRAM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_HISTOGRAM))
|
|
#define GIMP_HISTOGRAM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_HISTOGRAM, GimpHistogramClass))
|
|
|
|
|
|
typedef struct _GimpHistogramPrivate GimpHistogramPrivate;
|
|
typedef struct _GimpHistogramClass GimpHistogramClass;
|
|
|
|
struct _GimpHistogram
|
|
{
|
|
GimpObject parent_instance;
|
|
|
|
GimpHistogramPrivate *priv;
|
|
};
|
|
|
|
struct _GimpHistogramClass
|
|
{
|
|
GimpObjectClass parent_class;
|
|
};
|
|
|
|
|
|
GType gimp_histogram_get_type (void) G_GNUC_CONST;
|
|
|
|
GimpHistogram * gimp_histogram_new (GimpTRCType trc);
|
|
|
|
GimpHistogram * gimp_histogram_duplicate (GimpHistogram *histogram);
|
|
|
|
void gimp_histogram_calculate (GimpHistogram *histogram,
|
|
GeglBuffer *buffer,
|
|
const GeglRectangle *buffer_rect,
|
|
GeglBuffer *mask,
|
|
const GeglRectangle *mask_rect);
|
|
GimpAsync * gimp_histogram_calculate_async (GimpHistogram *histogram,
|
|
GeglBuffer *buffer,
|
|
const GeglRectangle *buffer_rect,
|
|
GeglBuffer *mask,
|
|
const GeglRectangle *mask_rect);
|
|
|
|
void gimp_histogram_clear_values (GimpHistogram *histogram,
|
|
gint n_components);
|
|
|
|
gdouble gimp_histogram_get_maximum (GimpHistogram *histogram,
|
|
GimpHistogramChannel channel);
|
|
gdouble gimp_histogram_get_count (GimpHistogram *histogram,
|
|
GimpHistogramChannel channel,
|
|
gint start,
|
|
gint end);
|
|
gdouble gimp_histogram_get_mean (GimpHistogram *histogram,
|
|
GimpHistogramChannel channel,
|
|
gint start,
|
|
gint end);
|
|
gdouble gimp_histogram_get_median (GimpHistogram *histogram,
|
|
GimpHistogramChannel channel,
|
|
gint start,
|
|
gint end);
|
|
gdouble gimp_histogram_get_std_dev (GimpHistogram *histogram,
|
|
GimpHistogramChannel channel,
|
|
gint start,
|
|
gint end);
|
|
gdouble gimp_histogram_get_threshold (GimpHistogram *histogram,
|
|
GimpHistogramChannel channel,
|
|
gint start,
|
|
gint end);
|
|
gdouble gimp_histogram_get_value (GimpHistogram *histogram,
|
|
GimpHistogramChannel channel,
|
|
gint bin);
|
|
gdouble gimp_histogram_get_component (GimpHistogram *histogram,
|
|
gint component,
|
|
gint bin);
|
|
gint gimp_histogram_n_components (GimpHistogram *histogram);
|
|
gint gimp_histogram_n_bins (GimpHistogram *histogram);
|
|
gboolean gimp_histogram_has_channel (GimpHistogram *histogram,
|
|
GimpHistogramChannel channel);
|
|
|
|
|
|
#endif /* __GIMP_HISTOGRAM_H__ */
|