New: function imImageCopyPlane.

1 files changed, 10 insertions, 1 deletions

diff --git a/src/im_image.cpp b/src/im_image.cpp
index 1fb993d..7bbeff1 100644
--- a/src/im_image.cpp
+++ b/src/im_image.cpp
@@ -2,7 +2,7 @@
  * \brief Image Manipulation
  *
  * See Copyright Notice in im_lib.h
- * $Id: im_image.cpp,v 1.4 2009/08/13 22:34:25 scuri Exp $
+ * $Id: im_image.cpp,v 1.5 2009/12/25 22:43:50 scuri Exp $
  */
 
 #include <stdlib.h>
@@ -302,6 +302,15 @@ void imImageCopyData(const imImage* src_image, imImage* dst_image)
   }
 }
 
+void imImageCopyPlane(const imImage* src_image, int src_plane, imImage* dst_image, int dst_plane)
+{
+  assert(src_image);
+  assert(dst_image);
+  assert(imImageMatch(src_image, dst_image));
+
+  memcpy(dst_image->data[src_plane], src_image->data[dst_plane], src_image->plane_size);
+}
+
 imImage* imImageDuplicate(const imImage* image)
 {
   assert(image);