diff --git a/src/hll/CGManager.c b/src/hll/CGManager.c
index b0fdb5f..585e3d8 100644
--- a/src/hll/CGManager.c
+++ b/src/hll/CGManager.c
@@ -14,6 +14,7 @@
  * along with this program; if not, see <http://gnu.org/licenses/>.
  */
 
+#include "system4/cg.h"
 #include "system4/string.h"
 #include "asset_manager.h"
 #include "xsystem4.h"
@@ -32,6 +33,26 @@ static bool CGManager_LoadArchive(struct string *archive_name)
 	return r;
 }
 
+static bool CGManager_IsExist(struct string *cg_name)
+{
+	if (!cg_name)
+		return false;
+	return asset_exists_by_name(ASSET_CG, cg_name->text, NULL);
+}
+
+static bool CGManager_GetInfo(struct string *cg_name, int *width, int *height, int *bpp, bool *exist_pixel, bool *exist_alpha)
+{
+	struct cg_metrics metrics;
+	if (!cg_name || !asset_cg_get_metrics_by_name(cg_name->text, &metrics))
+		return false;
+	*width = metrics.w;
+	*height = metrics.h;
+	*bpp = metrics.bpp;
+	*exist_pixel = metrics.has_pixel;
+	*exist_alpha = metrics.has_alpha;
+	return true;
+}
+
 //static int CGManager_GetCountOfDataFromArchive(void);
 //static void CGManager_GetTitleByIndexFromArchive(int index, struct string **cg_name);
 //static int CGManager_SearchTitleFromArchive(struct string *cg_name);
@@ -43,6 +64,8 @@ static bool CGManager_LoadArchive(struct string *archive_name)
 HLL_LIBRARY(CGManager,
 	    HLL_EXPORT(Init, CGManager_Init),
 	    HLL_EXPORT(LoadArchive, CGManager_LoadArchive),
+	    HLL_EXPORT(IsExist, CGManager_IsExist),
+	    HLL_EXPORT(GetInfo, CGManager_GetInfo),
 	    HLL_TODO_EXPORT(GetCountOfDataFromArchive, CGManager_GetCountOfDataFromArchive),
 	    HLL_TODO_EXPORT(GetTitleByIndexFromArchive, CGManager_GetTitleByIndexFromArchive),
 	    HLL_TODO_EXPORT(SearchTitleFromArchive, CGManager_SearchTitleFromArchive),