*** empty log message ***

1 files changed, 13 insertions, 11 deletions

diff --git a/src/lua5/imlua_process.c b/src/lua5/imlua_process.c
index 863c1d6..198d0e5 100644
--- a/src/lua5/imlua_process.c
+++ b/src/lua5/imlua_process.c
@@ -2,7 +2,7 @@
  * \brief IM Lua 5 Binding
  *
  * See Copyright Notice in im_lib.h
- * $Id: imlua_process.c,v 1.8 2009/10/01 02:56:58 scuri Exp $
+ * $Id: imlua_process.c,v 1.9 2010/01/06 20:16:30 scuri Exp $
  */
 
 #include <memory.h>
@@ -2009,18 +2009,19 @@ static int imluaProcessMergeHSI (lua_State *L)
 \*****************************************************************************/
 static int imluaProcessSplitComponents (lua_State *L)
 {
-  int i;
+  int i, src_depth;
   imImage *src_image = imlua_checkimage(L, 1);
   imImage **dst_image_list;
 
   luaL_checktype(L, 2, LUA_TTABLE);
 
-  if (imlua_getn(L, 2) != src_image->depth)
+  src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  if (imlua_getn(L, 2) != src_depth)
     luaL_error(L, "number of destiny images must match the depth of the source image");
 
-  dst_image_list = (imImage**)malloc(sizeof(imImage*)*src_image->depth);
+  dst_image_list = (imImage**)malloc(sizeof(imImage*)*src_depth);
 
-  for (i = 0; i < src_image->depth; i++)
+  for (i = 0; i < src_depth; i++)
   {
     lua_pushnumber(L, i+1);
     lua_gettable(L, 2);
@@ -2029,7 +2030,7 @@ static int imluaProcessSplitComponents (lua_State *L)
     lua_pop(L, 1);
   }
 
-  for (i = 0; i < src_image->depth; i++)
+  for (i = 0; i < src_depth; i++)
   {
     int check = imImageMatchDataType(src_image, dst_image_list[i]);
     if (!check) free(dst_image_list);
@@ -2048,19 +2049,20 @@ static int imluaProcessSplitComponents (lua_State *L)
 \*****************************************************************************/
 static int imluaProcessMergeComponents (lua_State *L)
 {
-  int i;
+  int i, dst_depth;
   imImage** src_image_list;
   imImage *dst_image;
 
   luaL_checktype(L, 1, LUA_TTABLE);
   dst_image = imlua_checkimage(L, 2);
 
-  if (imlua_getn(L, 1) != dst_image->depth)
+  dst_depth = dst_image->has_alpha? dst_image->depth+1: dst_image->depth;
+  if (imlua_getn(L, 1) != dst_depth)
     luaL_error(L, "number of source images must match the depth of the destination image");
 
-  src_image_list = (imImage**)malloc(sizeof(imImage*)*dst_image->depth);
+  src_image_list = (imImage**)malloc(sizeof(imImage*)*dst_depth);
 
-  for (i = 0; i < dst_image->depth; i++)
+  for (i = 0; i < dst_depth; i++)
   {
     lua_pushnumber(L, i+1);
     lua_gettable(L, 1);
@@ -2069,7 +2071,7 @@ static int imluaProcessMergeComponents (lua_State *L)
     lua_pop(L, 1);
   }
 
-  for (i = 0; i < dst_image->depth; i++)
+  for (i = 0; i < dst_depth; i++)
   {
     int check = imImageMatchDataType(src_image_list[i], dst_image);
     if (!check) free(src_image_list);