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- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * 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 __CURVES_H__
- #define __CURVES_H__
-
- #include "image_map.h"
- #include "lut_funcs.h"
- #include "tools.h"
-
- #define SMOOTH 0
- #define GFREE 1
-
-
- typedef struct _CurvesDialog CurvesDialog;
-
- struct _CurvesDialog
- {
- GtkWidget *shell;
-
- GtkWidget *channel_menu;
- GtkWidget *xrange;
- GtkWidget *yrange;
- GtkWidget *graph;
- GdkPixmap *pixmap;
- GtkWidget *curve_type_menu;
-
- GimpDrawable *drawable;
- ImageMap image_map;
-
- gint color;
- gint channel;
- gboolean preview;
-
- gint grab_point;
- gint last;
- gint leftmost;
- gint rightmost;
- gint curve_type[5];
- gint points[5][17][2];
- guchar curve[5][256];
- gint col_value[5];
-
- gint cursor_ind_height;
- gint cursor_ind_width;
- gint cursor_ind_ascent;
-
- GimpLut *lut;
- };
-
- Tool * tools_new_curves (void);
- void tools_free_curves (Tool *tool);
-
- void curves_dialog_hide (void);
- void curves_initialize (GDisplay *gdisp);
- void curves_free (void);
- float curves_lut_func (CurvesDialog *cd,
- gint nchannels,
- gint channel,
- gfloat value);
- void curves_calculate_curve (CurvesDialog *cd);
-
- #endif /* __CURVES_H__ */
-