diff --git a/dlls/gdiplus/gdiplus.spec b/dlls/gdiplus/gdiplus.spec
index c53456ca0b0..76c7328de9e 100644
--- a/dlls/gdiplus/gdiplus.spec
+++ b/dlls/gdiplus/gdiplus.spec
@@ -409,7 +409,7 @@
 @ stdcall GdipImageGetFrameCount(ptr ptr ptr)
 @ stdcall GdipImageGetFrameDimensionsCount(ptr ptr)
 @ stdcall GdipImageGetFrameDimensionsList(ptr ptr long)
-@ stub GdipImageRotateFlip
+@ stdcall GdipImageRotateFlip(ptr long)
 @ stdcall GdipImageSelectActiveFrame(ptr ptr long)
 @ stub GdipImageSetAbort
 @ stub GdipInitializePalette
diff --git a/dlls/gdiplus/image.c b/dlls/gdiplus/image.c
index 6ab3ccaf11d..9902f0f69ab 100644
--- a/dlls/gdiplus/image.c
+++ b/dlls/gdiplus/image.c
@@ -1675,3 +1675,12 @@ GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT heigh
         image, width, height, ret_image, cb, cb_data);
     return NotImplemented;
 }
+
+/*****************************************************************************
+ * GdipImageRotateFlip [GDIPLUS.@]
+ */
+GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type)
+{
+    FIXME("(%p %u) stub\n", image, type);
+    return NotImplemented;
+}
diff --git a/include/gdiplusflat.h b/include/gdiplusflat.h
index 3cc6d26d845..a7ee536e795 100644
--- a/include/gdiplusflat.h
+++ b/include/gdiplusflat.h
@@ -340,6 +340,7 @@ GpStatus WINGDIPAPI GdipGetPropertySize(GpImage*,UINT*,UINT*);
 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage*,GDIPCONST GUID*,UINT*);
 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage*,UINT*);
 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage*,GUID*,UINT);
+GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage*,RotateFlipType);
 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage*,GDIPCONST GUID*,UINT);
 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR*,GpImage**);
 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR*,GpImage**);
diff --git a/include/gdiplusimaging.h b/include/gdiplusimaging.h
index e8dda736e8c..51a60ba9a49 100644
--- a/include/gdiplusimaging.h
+++ b/include/gdiplusimaging.h
@@ -38,6 +38,33 @@ enum ImageLockMode
     ImageLockModeUserInputBuf   = 4
 };
 
+enum RotateFlipType
+{
+    RotateNoneFlipNone = 0,
+    Rotate180FlipXY    = RotateNoneFlipNone,
+
+    Rotate90FlipNone   = 1,
+    Rotate270FlipXY    = Rotate90FlipNone,
+
+    Rotate180FlipNone  = 2,
+    RotateNoneFlipXY   = Rotate180FlipNone,
+
+    Rotate270FlipNone  = 3,
+    Rotate90FlipXY     = Rotate270FlipNone,
+
+    RotateNoneFlipX    = 4,
+    Rotate180FlipY     = RotateNoneFlipX,
+
+    Rotate90FlipX      = 5,
+    Rotate270FlipY     = Rotate90FlipX,
+
+    Rotate180FlipX     = 6,
+    RotateNoneFlipY    = Rotate180FlipX,
+
+    Rotate270FlipX     = 7,
+    Rotate90FlipY      = Rotate270FlipX
+};
+
 #ifdef __cplusplus
 class EncoderParameter
 {
@@ -108,6 +135,7 @@ public:
 #else /* end of c++ typedefs */
 
 typedef enum ImageLockMode ImageLockMode;
+typedef enum RotateFlipType RotateFlipType;
 
 typedef struct EncoderParameter
 {