gimp/app/gimphistogram.h

69 lines
2.7 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimphistogram module Copyright (C) 1999 Jay Cox <jaycox@earthlink.net>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_HISTOGRAM_H__
#define __GIMP_HISTOGRAM_H__
typedef enum
{
GIMP_HISTOGRAM_VALUE = 0,
GIMP_HISTOGRAM_RED = 1,
GIMP_HISTOGRAM_GREEN = 2,
GIMP_HISTOGRAM_BLUE = 3,
GIMP_HISTOGRAM_ALPHA = 4
} GimpHistogramChannel;
GimpHistogram * gimp_histogram_new (void);
void gimp_histogram_free (GimpHistogram *histogram);
void gimp_histogram_calculate (GimpHistogram *historgam,
PixelRegion *region,
PixelRegion *mask);
void gimp_histogram_calculate_drawable (GimpHistogram *histogram,
GimpDrawable *drawable);
gdouble gimp_histogram_get_maximum (GimpHistogram *histogram,
GimpHistogramChannel channel);
gdouble gimp_histogram_get_count (GimpHistogram *histogram,
gint start,
gint end);
gdouble gimp_histogram_get_mean (GimpHistogram *histogram,
GimpHistogramChannel channel,
gint start,
gint end);
gint 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_value (GimpHistogram *histogram,
GimpHistogramChannel channel,
gint bin);
gdouble gimp_histogram_get_channel (GimpHistogram *histogram,
GimpHistogramChannel channel,
gint bin);
gint gimp_histogram_nchannels (GimpHistogram *histogram);
#endif /* __GIMP_HISTOGRAM_H__ */