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/*
* crystfelcolourscale.h
*
* CrystFEL's colour scale widget
*
* Copyright © 2020-2022 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
*
* Authors:
* 2020-2022 Thomas White <taw@physics.org>
*
* This file is part of CrystFEL.
*
* CrystFEL 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.
*
* CrystFEL 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 CrystFEL. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef CRYSTFELCOLOURSCALE_H
#define CRYSTFELCOLOURSCALE_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "image.h"
#define CRYSTFEL_TYPE_COLOUR_SCALE (crystfel_colour_scale_get_type())
#define CRYSTFEL_COLOUR_SCALE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), \
CRYSTFEL_TYPE_COLOUR_SCALE, CrystFELColourScale))
#define CRYSTFEL_IS_COLOUR_SCALE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), \
CRYSTFEL_TYPE_COLOUR_SCALE))
#define CRYSTFEL_COLOUR_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((obj), \
CRYSTFEL_TYPE_COLOUR_SCALE, CrystFELColourScale))
#define CRYSTFEL_IS_COLOUR_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((obj), \
CRYSTFEL_TYPE_COLOUR_SCALE))
#define CRYSTFEL_COLOUR_SCALE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), \
CRYSTFEL_TYPE_COLOUR_SCALE, CrystFELColourScale))
#define COLSCALE_N_BINS (256)
#define COLSCALE_SAMPLE_SIZE (4096)
struct _crystfelcolourscale
{
GtkDrawingArea parent_instance;
double visible_width;
double visible_height;
double drag_start_x;
double drag_start_y;
double drag_min;
double lo;
double hi;
int bins[COLSCALE_N_BINS];
float *sample;
int n_samples;
};
struct _crystfelcolourscaleclass
{
GtkDrawingAreaClass parent_class;
};
typedef struct _crystfelcolourscale CrystFELColourScale;
typedef struct _crystfelcolourscaleclass CrystFELColourScaleClass;
extern GType crystfel_colour_scale_get_type(void);
extern GtkWidget *crystfel_colour_scale_new(void);
extern void crystfel_colour_scale_scan_image(CrystFELColourScale *cs,
struct image *image);
extern void crystfel_colour_scale_get_range(CrystFELColourScale *cs,
double *scale_min,
double *scale_max);
extern void crystfel_colour_scale_auto_range(CrystFELColourScale *cs);
#endif /* CRYSTFELCOLOURSCALE_H */
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