/usr/include/gthumb-3.4/gthumb/gth-histogram.h is in gthumb-dev 3:3.4.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* GThumb
*
* Copyright (C) 2001-2009 The Free Software Foundation, Inc.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef GTH_HISTOGRAM_H
#define GTH_HISTOGRAM_H
#include <glib-object.h>
#include <cairo.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
G_BEGIN_DECLS
#define GTH_TYPE_HISTOGRAM (gth_histogram_get_type ())
#define GTH_HISTOGRAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTH_TYPE_HISTOGRAM, GthHistogram))
#define GTH_HISTOGRAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GTH_TYPE_HISTOGRAM, GthHistogramClass))
#define GTH_IS_HISTOGRAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTH_TYPE_HISTOGRAM))
#define GTH_IS_HISTOGRAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GTH_TYPE_HISTOGRAM))
#define GTH_HISTOGRAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GTH_TYPE_HISTOGRAM, GthHistogramClass))
typedef struct _GthHistogram GthHistogram;
typedef struct _GthHistogramPrivate GthHistogramPrivate;
typedef struct _GthHistogramClass GthHistogramClass;
typedef enum {
GTH_HISTOGRAM_CHANNEL_VALUE = 0,
GTH_HISTOGRAM_CHANNEL_RED,
GTH_HISTOGRAM_CHANNEL_GREEN,
GTH_HISTOGRAM_CHANNEL_BLUE,
GTH_HISTOGRAM_CHANNEL_ALPHA,
GTH_HISTOGRAM_N_CHANNELS
} GthHistogramChannel;
struct _GthHistogram
{
GObject __parent;
GthHistogramPrivate *priv;
};
struct _GthHistogramClass {
GObjectClass __parent_class;
/*< signals >*/
void (*changed) (GthHistogram *self);
};
GType gth_histogram_get_type (void) G_GNUC_CONST;
GthHistogram * gth_histogram_new (void);
void gth_histogram_calculate_for_image (GthHistogram *self,
cairo_surface_t *image);
double gth_histogram_get_count (GthHistogram *self,
int start,
int end);
double gth_histogram_get_value (GthHistogram *self,
GthHistogramChannel channel,
int bin);
double gth_histogram_get_channel (GthHistogram *self,
GthHistogramChannel channel,
int bin);
double gth_histogram_get_channel_max (GthHistogram *self,
GthHistogramChannel channel);
double gth_histogram_get_max (GthHistogram *self);
guchar gth_histogram_get_min_value (GthHistogram *self,
GthHistogramChannel channel);
guchar gth_histogram_get_max_value (GthHistogram *self,
GthHistogramChannel channel);
int gth_histogram_get_n_pixels (GthHistogram *self);
int gth_histogram_get_nchannels (GthHistogram *self);
long ** gth_histogram_get_cumulative (GthHistogram *self);
void gth_cumulative_histogram_free (long **cumulative);
G_END_DECLS
#endif /* GTH_HISTOGRAM_H */
|