diff --git a/libs/xassets/xitemdefdata.cpp b/libs/xassets/xitemdefdata.cpp
new file mode 100644
index 0000000..fcf17cf
--- /dev/null
+++ b/libs/xassets/xitemdefdata.cpp
@@ -0,0 +1,41 @@
+#include "xglyph.h"
+
+XGlyph::XGlyph()
+    : XAsset()
+    , mLetter(0)
+    , mX0(0)
+    , mY0(0)
+    , mDx(0)
+    , mPixelWidth(0)
+    , mPixelHeight(0)
+    , mS0(0)
+    , mT0(0)
+    , mS1(0)
+    , mT1(0)
+{
+    
+}
+
+XGlyph::~XGlyph()
+{
+    
+}
+
+void XGlyph::Clear()
+{
+    mLetter = 0;
+    mX0 = 0;
+    mY0 = 0;
+    mDx = 0;
+    mPixelWidth = 0;
+    mPixelHeight = 0;
+    mS0 = 0;
+    mT0 = 0;
+    mS1 = 0;
+    mT1 = 0;
+}
+
+void XGlyph::ParseData(QDataStream *aStream)
+{
+    
+}