gdiplus: Implement GdipRotatePenTransform().

dlls/gdiplus/pen.c

@@ -480,17 +480,12 @@ GpStatus WINGDIPAPI GdipScalePenTransform(GpPen *pen, REAL sx, REAL sy, GpMatrix
 
 GpStatus WINGDIPAPI GdipRotatePenTransform(GpPen *pen, REAL angle, GpMatrixOrder order)
 {
-    static int calls;
-
     TRACE("(%p,%0.2f,%u)\n", pen, angle, order);
 
     if(!pen)
         return InvalidParameter;
 
-    if(!(calls++))
-        FIXME("not implemented\n");
-
-    return NotImplemented;
+    return GdipRotateMatrix(&pen->transform, angle, order);
 }
 
 GpStatus WINGDIPAPI GdipMultiplyPenTransform(GpPen *pen, GDIPCONST GpMatrix *matrix,

dlls/gdiplus/tests/pen.c

@@ -588,6 +588,44 @@ static void test_transform(void)
     expectf(-15.0, values[4]);
     expectf(-76.0, values[5]);
 
+    /* Rotate */
+    status = GdipResetPenTransform(pen);
+    expect(Ok, status);
+
+    status = GdipSetMatrixElements(matrix, 2.0, 1.0, 1.0, 4.0, 1.0, 2.0);
+    expect(Ok, status);
+
+    status = GdipSetPenTransform(pen, matrix);
+    expect(Ok, status);
+
+    status = GdipRotatePenTransform(NULL, 10.0, MatrixOrderPrepend);
+    expect(InvalidParameter, status);
+
+    status = GdipRotatePenTransform(pen, 45.0, MatrixOrderPrepend);
+    expect(Ok, status);
+
+    get_pen_transform(pen, values);
+    expectf(2.12, values[0]);
+    expectf(3.54, values[1]);
+    expectf(-0.71, values[2]);
+    expectf(2.12, values[3]);
+    expectf(1.0, values[4]);
+    expectf(2.0, values[5]);
+
+    status = GdipScalePenTransform(pen, 2.0, -10.0, MatrixOrderAppend);
+    expect(Ok, status);
+
+    status = GdipRotatePenTransform(pen, 180.0, MatrixOrderAppend);
+    expect(Ok, status);
+
+    get_pen_transform(pen, values);
+    expectf(-4.24, values[0]);
+    expectf(35.36, values[1]);
+    expectf(1.41, values[2]);
+    expectf(21.21, values[3]);
+    expectf(-2.0, values[4]);
+    expectf(20.0, values[5]);
+
     GdipDeletePen(pen);
 
     GdipDeleteMatrix(matrix);

include/gdiplusflat.h

@@ -631,6 +631,7 @@ GpStatus WINGDIPAPI GdipGetPenMode(GpPen*,GpPenAlignment*);
 GpStatus WINGDIPAPI GdipGetPenTransform(GpPen *, GpMatrix *);
 GpStatus WINGDIPAPI GdipMultiplyPenTransform(GpPen *,GDIPCONST GpMatrix *,GpMatrixOrder);
 GpStatus WINGDIPAPI GdipResetPenTransform(GpPen*);
+GpStatus WINGDIPAPI GdipRotatePenTransform(GpPen*,REAL,GpMatrixOrder);
 GpStatus WINGDIPAPI GdipScalePenTransform(GpPen*,REAL,REAL,GpMatrixOrder);
 GpStatus WINGDIPAPI GdipSetPenBrushFill(GpPen*,GpBrush*);
 GpStatus WINGDIPAPI GdipSetPenColor(GpPen*,ARGB);