mirror of https://github.com/GNOME/gimp.git
71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __HISTOGRAM_WIDGET_H__
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#define __HISTOGRAM_WIDGET_H__
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#include <gtk/gtkdrawingarea.h>
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#define HISTOGRAM_WIDGET_TYPE (histogram_widget_get_type ())
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#define HISTOGRAM_WIDGET(obj) GTK_CHECK_CAST (obj, histogram_widget_get_type (), HistogramWidget)
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#define IS_HISTOGRAM_WIDGET(obj) GTK_CHECK_TYPE (obj, histogram_widget_get_type ())
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#define HISTOGRAM_WIDGET_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, histogram_widget_get_type (), HistogramWidget)
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typedef struct _HistogramWidgetClass HistogramWidgetClass;
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struct _HistogramWidget
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{
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GtkDrawingArea parent_instance;
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GimpHistogram *histogram;
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GimpHistogramChannel channel;
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gint start;
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gint end;
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};
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struct _HistogramWidgetClass
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{
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GtkDrawingAreaClass parent_class;
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void (* range_changed) (HistogramWidget *hw,
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gint start,
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gint end);
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};
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/* Histogram functions */
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GtkType histogram_widget_get_type (void);
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HistogramWidget * histogram_widget_new (gint width,
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gint height);
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void histogram_widget_update (HistogramWidget *hw,
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GimpHistogram *histogram);
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void histogram_widget_range (HistogramWidget *hw,
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gint start,
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gint end);
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void histogram_widget_channel (HistogramWidget *hw,
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gint channel);
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GimpHistogram * histogram_widget_histogram (HistogramWidget *hw);
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#endif /* __HISTOGRAM_WIDGET_H__ */
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