1 files changed, 38 insertions, 0 deletions
diff --git a/plug-ins/lighting/lighting-preview.h b/plug-ins/lighting/lighting-preview.h
new file mode 100644
index 0000000..881dacd
--- /dev/null
+++ b/plug-ins/lighting/lighting-preview.h
@@ -0,0 +1,38 @@
+/* Lighting Effects - A plug-in for GIMP
+ *
+ * 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/>.
+ */
+
+#ifndef __LIGHTING_PREVIEW_H__
+#define __LIGHTING_PREVIEW_H__
+
+#define PREVIEW_WIDTH  200
+#define PREVIEW_HEIGHT 200
+
+/* Externally visible variables */
+
+extern gdouble    *xpostab, *ypostab;
+
+/* Externally visible functions */
+
+void     preview_compute              (void);
+void     interactive_preview_callback (GtkWidget *widget);
+gboolean preview_events               (GtkWidget *area,
+                                       GdkEvent  *event);
+gboolean preview_expose               (GtkWidget *area,
+                                       GdkEventExpose *eevent);
+void     update_light                 (gint       xpos,
+                                       gint       ypos);
+
+#endif  /* __LIGHTING_PREVIEW_H__ */