mirror of https://github.com/GNOME/gimp.git
69 lines
1.9 KiB
C
69 lines
1.9 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 __GRADIENT_HEADER_H__
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#define __GRADIENT_HEADER_H__
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#include <gtk/gtk.h>
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/***** Types *****/
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/* Gradient segment type */
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typedef enum
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{
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GRAD_LINEAR = 0,
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GRAD_CURVED,
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GRAD_SINE,
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GRAD_SPHERE_INCREASING,
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GRAD_SPHERE_DECREASING
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} grad_type_t;
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typedef enum
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{
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GRAD_RGB = 0, /* normal RGB */
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GRAD_HSV_CCW, /* counterclockwise hue */
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GRAD_HSV_CW /* clockwise hue */
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} grad_color_t;
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typedef struct _grad_segment_t grad_segment_t;
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struct _gradient_t
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{
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gchar *name;
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gchar *filename;
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grad_segment_t *segments;
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grad_segment_t *last_visited;
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gboolean dirty;
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GdkPixmap *pixmap;
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};
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struct _grad_segment_t
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{
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double left, middle, right; /* Left pos, midpoint, right pos */
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double r0, g0, b0, a0; /* Left color */
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double r1, g1, b1, a1; /* Right color */
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grad_type_t type; /* Segment's blending function */
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grad_color_t color; /* Segment's coloring type */
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struct _grad_segment_t *prev, *next; /* For linked list of segments */
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};
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#endif /* __GRADIENT_HEADER_H__ */
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