1 files changed, 66 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_rect.h b/source/blender/blenlib/BLI_rect.h
new file mode 100644
index 00000000000..c7026b21494
--- /dev/null
+++ b/source/blender/blenlib/BLI_rect.h
@@ -0,0 +1,66 @@
+/*
+ * $Id: BLI_blenlib.h 17433 2008-11-12 21:16:53Z blendix $
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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 2
+ * 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, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ *
+*/
+
+#ifndef BLI_RECT_H
+#define BLI_RECT_H
+
+struct rctf;
+struct rcti;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* BLI_rct.c */
+/**
+ * Determine if a rect is empty. An empty
+ * rect is one with a zero (or negative)
+ * width or height.
+ *
+ * @return True if @a rect is empty.
+ */
+int  BLI_rcti_is_empty(struct rcti *rect);
+void BLI_init_rctf(struct rctf *rect, float xmin, float xmax, float ymin, float ymax);
+void BLI_init_rcti(struct rcti *rect, int xmin, int xmax, int ymin, int ymax);
+void BLI_translate_rctf(struct rctf *rect, float x, float y);
+void BLI_translate_rcti(struct rcti *rect, int x, int y);
+int  BLI_in_rcti(struct rcti *rect, int x, int y);
+int  BLI_in_rctf(struct rctf *rect, float x, float y);
+int  BLI_isect_rctf(struct rctf *src1, struct rctf *src2, struct rctf *dest);
+int  BLI_isect_rcti(struct rcti *src1, struct rcti *src2, struct rcti *dest);
+void BLI_union_rctf(struct rctf *rcta, struct rctf *rctb);
+void BLI_union_rcti(struct rcti *rcti1, struct rcti *rcti2);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif