1 /*
2 * Goat exercise plug-in by Øyvind Kolås, pippin@gimp.org
3 */
4
5 /*
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <https://www.gnu.org/licenses/>.
18 */
19
20 #include "config.h"
21
22 #include <libgimp/gimp.h>
23
24 #include "libgimp/stdplugins-intl.h"
25
26
27 #define PLUG_IN_PROC "plug-in-goat-exercise"
28
29
30 /* Declare local functions.
31 */
32 static void query (void);
33 static void run (const gchar *name,
34 gint nparams,
35 const GimpParam *param,
36 gint *nreturn_vals,
37 GimpParam **return_vals);
38
39
40 const GimpPlugInInfo PLUG_IN_INFO =
41 {
42 NULL, /* init_proc */
43 NULL, /* quit_proc */
44 query, /* query_proc */
45 run, /* run_proc */
46 };
47
MAIN()48 MAIN ()
49
50
51 static void
52 query (void)
53 {
54 static const GimpParamDef args[] =
55 {
56 { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
57 { GIMP_PDB_IMAGE, "image", "Input image (unused)" },
58 { GIMP_PDB_DRAWABLE, "drawable", "Input drawable" }
59 };
60
61 gimp_install_procedure (PLUG_IN_PROC,
62 N_("Exercise a goat"),
63 "takes a goat for a walk",
64 "Øyvind Kolås <pippin@gimp.org>",
65 "Øyvind Kolås <pippin@gimp.org>",
66 "21march 2012",
67 N_("Goat-e_xercise"),
68 "RGB*, INDEXED*, GRAY*",
69 GIMP_PLUGIN,
70 G_N_ELEMENTS (args), 0,
71 args, NULL);
72
73 gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters");
74 }
75
76 static void
run(const gchar * name,gint nparams,const GimpParam * param,gint * nreturn_vals,GimpParam ** return_vals)77 run (const gchar *name,
78 gint nparams,
79 const GimpParam *param,
80 gint *nreturn_vals,
81 GimpParam **return_vals)
82 {
83 static GimpParam values[1];
84 GimpPDBStatusType status = GIMP_PDB_SUCCESS;
85 gint32 drawable_id;
86 gint x, y, width, height;
87
88 INIT_I18N();
89 gegl_init (NULL, NULL);
90
91 *nreturn_vals = 1;
92 *return_vals = values;
93
94 values[0].type = GIMP_PDB_STATUS;
95 values[0].data.d_status = status;
96
97 drawable_id = param[2].data.d_drawable;
98
99 if (gimp_drawable_mask_intersect (drawable_id, &x, &y, &width, &height))
100 {
101 GeglBuffer *buffer;
102 GeglBuffer *shadow_buffer;
103
104 buffer = gimp_drawable_get_buffer (drawable_id);
105 shadow_buffer = gimp_drawable_get_shadow_buffer (drawable_id);
106
107 gegl_render_op (buffer, shadow_buffer, "gegl:invert", NULL);
108
109 g_object_unref (shadow_buffer); /* flushes the shadow tiles */
110 g_object_unref (buffer);
111
112 gimp_drawable_merge_shadow (drawable_id, TRUE);
113 gimp_drawable_update (drawable_id, x, y, width, height);
114 gimp_displays_flush ();
115 }
116
117 values[0].data.d_status = status;
118 gegl_exit ();
119 }
120