gdiplus: Implement GdipCloneStringFormat.

dlls/gdiplus/gdiplus.spec

@@ -58,7 +58,7 @@
 @ stdcall GdipClonePath(ptr ptr)
 @ stdcall GdipClonePen(ptr ptr)
 @ stub GdipCloneRegion
-@ stub GdipCloneStringFormat
+@ stdcall GdipCloneStringFormat(ptr ptr)
 @ stdcall GdipClosePathFigure(ptr)
 @ stdcall GdipClosePathFigures(ptr)
 @ stub GdipCombineRegionPath

dlls/gdiplus/stringformat.c

@@ -152,3 +152,18 @@ GpStatus WINGDIPAPI GdipSetStringFormatFlags(GDIPCONST GpStringFormat *format, I
 
     return Ok;
 }
+
+GpStatus WINGDIPAPI GdipCloneStringFormat(GDIPCONST GpStringFormat *format, GpStringFormat **newFormat)
+{
+    if(!format || !newFormat)
+        return InvalidParameter;
+
+    *newFormat = GdipAlloc(sizeof(GpStringFormat));
+    if(!*newFormat)    return OutOfMemory;
+
+    **newFormat = *format;
+
+    TRACE("%p %p\n",format,newFormat);
+
+    return Ok;
+}

include/gdiplusflat.h

@@ -316,6 +316,7 @@ GpStatus WINGDIPAPI GdipSetStringFormatAlign(GpStringFormat*,StringAlignment);
 GpStatus WINGDIPAPI GdipSetStringFormatHotkeyPrefix(GpStringFormat*,INT);
 GpStatus WINGDIPAPI GdipSetStringFormatLineAlign(GpStringFormat*,StringAlignment);
 GpStatus WINGDIPAPI GdipSetStringFormatTrimming(GpStringFormat*,StringTrimming);
+GpStatus WINGDIPAPI GdipCloneStringFormat(GDIPCONST GpStringFormat*,GpStringFormat**);
 
 #ifdef __cplusplus
 }