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-rw-r--r--plug-ins/common/goat-exercise.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/plug-ins/common/goat-exercise.c b/plug-ins/common/goat-exercise.c
new file mode 100644
index 0000000..b01d938
--- /dev/null
+++ b/plug-ins/common/goat-exercise.c
@@ -0,0 +1,119 @@
+/*
+ * Goat exercise plug-in by Øyvind Kolås, pippin@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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <libgimp/gimp.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+
+#define PLUG_IN_PROC "plug-in-goat-exercise"
+
+
+/* Declare local functions.
+ */
+static void query (void);
+static void run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals);
+
+
+const GimpPlugInInfo PLUG_IN_INFO =
+{
+ NULL, /* init_proc */
+ NULL, /* quit_proc */
+ query, /* query_proc */
+ run, /* run_proc */
+};
+
+MAIN ()
+
+
+static void
+query (void)
+{
+ static const GimpParamDef args[] =
+ {
+ { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
+ { GIMP_PDB_IMAGE, "image", "Input image (unused)" },
+ { GIMP_PDB_DRAWABLE, "drawable", "Input drawable" }
+ };
+
+ gimp_install_procedure (PLUG_IN_PROC,
+ N_("Exercise a goat"),
+ "takes a goat for a walk",
+ "Øyvind Kolås <pippin@gimp.org>",
+ "Øyvind Kolås <pippin@gimp.org>",
+ "21march 2012",
+ N_("Goat-e_xercise"),
+ "RGB*, INDEXED*, GRAY*",
+ GIMP_PLUGIN,
+ G_N_ELEMENTS (args), 0,
+ args, NULL);
+
+ gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters");
+}
+
+static void
+run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals)
+{
+ static GimpParam values[1];
+ GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+ gint32 drawable_id;
+ gint x, y, width, height;
+
+ INIT_I18N();
+ gegl_init (NULL, NULL);
+
+ *nreturn_vals = 1;
+ *return_vals = values;
+
+ values[0].type = GIMP_PDB_STATUS;
+ values[0].data.d_status = status;
+
+ drawable_id = param[2].data.d_drawable;
+
+ if (gimp_drawable_mask_intersect (drawable_id, &x, &y, &width, &height))
+ {
+ GeglBuffer *buffer;
+ GeglBuffer *shadow_buffer;
+
+ buffer = gimp_drawable_get_buffer (drawable_id);
+ shadow_buffer = gimp_drawable_get_shadow_buffer (drawable_id);
+
+ gegl_render_op (buffer, shadow_buffer, "gegl:invert", NULL);
+
+ g_object_unref (shadow_buffer); /* flushes the shadow tiles */
+ g_object_unref (buffer);
+
+ gimp_drawable_merge_shadow (drawable_id, TRUE);
+ gimp_drawable_update (drawable_id, x, y, width, height);
+ gimp_displays_flush ();
+ }
+
+ values[0].data.d_status = status;
+ gegl_exit ();
+}