File: gimp-gradients.c

package info (click to toggle)
gimp 2.8.18-1%2Bdeb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 153,908 kB
  • sloc: ansic: 704,570; makefile: 10,969; lisp: 10,839; sh: 4,430; python: 3,793; perl: 3,411; xml: 1,307; yacc: 588; lex: 342
file content (131 lines) | stat: -rw-r--r-- 5,051 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/* GIMP - The GNU Image Manipulation Program
 * Copyright (C) 1995-2002 Spencer Kimball, Peter Mattis, and others
 *
 * gimp-gradients.c
 * Copyright (C) 2002 Michael Natterer  <mitch@gimp.org>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <glib-object.h>

#include "core-types.h"

#include "gimp.h"
#include "gimp-gradients.h"
#include "gimpcontext.h"
#include "gimpcontainer.h"
#include "gimpdatafactory.h"
#include "gimpgradient.h"

#include "gimp-intl.h"


#define FG_BG_RGB_KEY      "gimp-gradient-fg-bg-rgb"
#define FG_BG_HARDEDGE_KEY "gimp-gradient-fg-bg-rgb-hardedge"
#define FG_BG_HSV_CCW_KEY  "gimp-gradient-fg-bg-hsv-ccw"
#define FG_BG_HSV_CW_KEY   "gimp-gradient-fg-bg-hsv-cw"
#define FG_TRANSPARENT_KEY "gimp-gradient-fg-transparent"


/*  local function prototypes  */

static GimpGradient * gimp_gradients_add_gradient (Gimp        *gimp,
                                                   const gchar *name,
                                                   const gchar *id);


/*  public functions  */

void
gimp_gradients_init (Gimp *gimp)
{
  GimpGradient *gradient;

  g_return_if_fail (GIMP_IS_GIMP (gimp));

  /* FG to BG (RGB) */
  gradient = gimp_gradients_add_gradient (gimp,
                                          _("FG to BG (RGB)"),
                                          FG_BG_RGB_KEY);
  gradient->segments->left_color_type  = GIMP_GRADIENT_COLOR_FOREGROUND;
  gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;
  gimp_context_set_gradient (gimp->user_context, gradient);

  /* FG to BG (Hardedge) */
  gradient = gimp_gradients_add_gradient (gimp,
                                          _("FG to BG (Hardedge)"),
                                          FG_BG_HARDEDGE_KEY);
  gradient->segments->left                   = 0.00;
  gradient->segments->middle                 = 0.25;
  gradient->segments->right                  = 0.50;
  gradient->segments->left_color_type        = GIMP_GRADIENT_COLOR_FOREGROUND;
  gradient->segments->right_color_type       = GIMP_GRADIENT_COLOR_FOREGROUND;
  gradient->segments->next                   = gimp_gradient_segment_new ();
  gradient->segments->next->prev             = gradient->segments;
  gradient->segments->next->left             = 0.50;
  gradient->segments->next->middle           = 0.75;
  gradient->segments->next->right            = 1.00;
  gradient->segments->next->left_color_type  = GIMP_GRADIENT_COLOR_BACKGROUND;
  gradient->segments->next->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;

  /* FG to BG (HSV counter-clockwise) */
  gradient = gimp_gradients_add_gradient (gimp,
                                          _("FG to BG (HSV counter-clockwise)"),
                                          FG_BG_HSV_CCW_KEY);
  gradient->segments->left_color_type  = GIMP_GRADIENT_COLOR_FOREGROUND;
  gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;
  gradient->segments->color            = GIMP_GRADIENT_SEGMENT_HSV_CCW;

  /* FG to BG (HSV clockwise hue) */
  gradient = gimp_gradients_add_gradient (gimp,
                                          _("FG to BG (HSV clockwise hue)"),
                                          FG_BG_HSV_CW_KEY);
  gradient->segments->left_color_type  = GIMP_GRADIENT_COLOR_FOREGROUND;
  gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;
  gradient->segments->color            = GIMP_GRADIENT_SEGMENT_HSV_CW;

  /* FG to Transparent */
  gradient = gimp_gradients_add_gradient (gimp,
                                          _("FG to Transparent"),
                                          FG_TRANSPARENT_KEY);
  gradient->segments->left_color_type  = GIMP_GRADIENT_COLOR_FOREGROUND;
  gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_FOREGROUND_TRANSPARENT;
}


/*  private functions  */

static GimpGradient *
gimp_gradients_add_gradient (Gimp        *gimp,
                             const gchar *name,
                             const gchar *id)
{
  GimpGradient *gradient;

  gradient = GIMP_GRADIENT (gimp_gradient_new (gimp_get_user_context (gimp),
                                               name));

  gimp_data_make_internal (GIMP_DATA (gradient), id);

  gimp_container_add (gimp_data_factory_get_container (gimp->gradient_factory),
                      GIMP_OBJECT (gradient));
  g_object_unref (gradient);

  g_object_set_data (G_OBJECT (gimp), id, gradient);

  return gradient;
}