mirror of https://github.com/GNOME/gimp.git
77 lines
2.1 KiB
C
77 lines
2.1 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 __CURVES_H__
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#define __CURVES_H__
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#include <gtk/gtk.h>
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#include "image_map.h"
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#include "lut_funcs.h"
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#include "tools.h"
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#define SMOOTH 0
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#define GFREE 1
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typedef struct _CurvesDialog CurvesDialog;
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struct _CurvesDialog
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{
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GtkWidget *shell;
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GtkWidget *channel_menu;
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GtkWidget *xrange;
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GtkWidget *yrange;
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GtkWidget *graph;
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GdkPixmap *pixmap;
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GtkWidget *curve_type_menu;
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GimpDrawable *drawable;
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ImageMap image_map;
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gint color;
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gint channel;
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gboolean preview;
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gint grab_point;
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gint last;
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gint leftmost;
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gint rightmost;
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gint curve_type[5];
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gint points[5][17][2];
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guchar curve[5][256];
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gint col_value[5];
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gint cursor_ind_height;
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gint cursor_ind_width;
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gint cursor_ind_ascent;
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GimpLut *lut;
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};
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Tool * tools_new_curves (void);
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void tools_free_curves (Tool *tool);
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void curves_initialize (GDisplay *gdisp);
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void curves_free (void);
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float curves_lut_func (CurvesDialog *cd,
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gint nchannels,
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gint channel,
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gfloat value);
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void curves_calculate_curve (CurvesDialog *cd);
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#endif /* __CURVES_H__ */
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