gdiplus: Implemented GdipMultiplyWorldTransform.

dlls/gdiplus/gdiplus.spec

@@ -447,7 +447,7 @@
 @ stub GdipMultiplyPathGradientTransform
 @ stub GdipMultiplyPenTransform
 @ stub GdipMultiplyTextureTransform
-@ stub GdipMultiplyWorldTransform
+@ stdcall GdipMultiplyWorldTransform(ptr ptr long)
 @ stub GdipNewInstalledFontCollection
 @ stub GdipNewPrivateFontCollection
 @ stdcall GdipPathIterCopyData(ptr ptr ptr ptr long long)

dlls/gdiplus/graphics.c

@@ -2418,3 +2418,21 @@ GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
 
     return Ok;
 }
+
+GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
+    GpMatrixOrder order)
+{
+    GpMatrix m;
+    GpStatus ret;
+
+    if(!graphics || !matrix)
+        return InvalidParameter;
+
+    m = *(graphics->worldtrans);
+
+    ret = GdipMultiplyMatrix(&m, (GpMatrix*)matrix, order);
+    if(ret == Ok)
+        *(graphics->worldtrans) = m;
+
+    return ret;
+}

include/gdiplusflat.h

@@ -243,6 +243,7 @@ GpStatus WINGDIPAPI GdipIsMatrixIdentity(GDIPCONST GpMatrix*, BOOL*);
 GpStatus WINGDIPAPI GdipDeleteMatrix(GpMatrix*);
 GpStatus WINGDIPAPI GdipGetMatrixElements(GDIPCONST GpMatrix*,REAL*);
 GpStatus WINGDIPAPI GdipMultiplyMatrix(GpMatrix*,GpMatrix*,GpMatrixOrder);
+GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics*,GDIPCONST GpMatrix*,GpMatrixOrder);
 GpStatus WINGDIPAPI GdipRotateMatrix(GpMatrix*,REAL,GpMatrixOrder);
 GpStatus WINGDIPAPI GdipScaleMatrix(GpMatrix*,REAL,REAL,GpMatrixOrder);
 GpStatus WINGDIPAPI GdipSetMatrixElements(GpMatrix*,REAL,REAL,REAL,REAL,REAL,REAL);