bring back commit 2079

I over written that commit accidentally, bring it back.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2093 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 15 insertions, 15 deletions

diff --git a/components/rtgui/common/image.c b/components/rtgui/common/image.c
index 0160c990ea..1ae57e0ece 100644
--- a/components/rtgui/common/image.c
+++ b/components/rtgui/common/image.c
@@ -64,47 +64,47 @@ void rtgui_system_image_init(void)
 #endif
 }
 
-static struct rtgui_image_engine* rtgui_image_get_engine_by_filename(const char* fn)
+static struct rtgui_image_engine* rtgui_image_get_engine(const char* type)
 {
 	struct rtgui_list_node *node;
 	struct rtgui_image_engine *engine;
-	const char* ext;
-
-	ext = fn + rt_strlen(fn);
-	while (ext != fn)
-	{
-		if (*ext == '.') { ext ++; break; }
-		ext --;
-	}
-	if (ext == fn) return RT_NULL; /* no ext */
 
 	rtgui_list_foreach(node, &_rtgui_system_image_list)
 	{
 		engine = rtgui_list_entry(node, struct rtgui_image_engine, list);
-		if (strncasecmp(engine->name, ext, strlen(engine->name)) == 0)
+
+		if (strncasecmp(engine->name, type, strlen(engine->name)) ==0)
 			return engine;
 	}
 
 	return RT_NULL;
 }
 
-static struct rtgui_image_engine* rtgui_image_get_engine(const char* type)
+#if defined(RTGUI_USING_DFS_FILERW) || defined(RTGUI_USING_STDIO_FILERW)
+static struct rtgui_image_engine* rtgui_image_get_engine_by_filename(const char* fn)
 {
 	struct rtgui_list_node *node;
 	struct rtgui_image_engine *engine;
+	const char* ext;
+
+	ext = fn + rt_strlen(fn);
+	while (ext != fn)
+	{
+		if (*ext == '.') { ext ++; break; }
+		ext --;
+	}
+	if (ext == fn) return RT_NULL; /* no ext */
 
 	rtgui_list_foreach(node, &_rtgui_system_image_list)
 	{
 		engine = rtgui_list_entry(node, struct rtgui_image_engine, list);
-
-		if (strncasecmp(engine->name, type, strlen(engine->name)) ==0)
+		if (strncasecmp(engine->name, ext, strlen(engine->name)) == 0)
 			return engine;
 	}
 
 	return RT_NULL;
 }
 
-#if defined(RTGUI_USING_DFS_FILERW) || defined(RTGUI_USING_STDIO_FILERW)
 struct rtgui_image* rtgui_image_create_from_file(const char* type, const char* filename, rt_bool_t load)
 {
 	struct rtgui_filerw* filerw;