gdiplus: Reimplement GdipDrawRectangle using GdipDrawPath.

dlls/gdiplus/graphics.c

@@ -3398,9 +3398,8 @@ GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
     REAL y, REAL width, REAL height)
 {
-    INT save_state;
-    GpPointF ptf[4];
-    POINT pti[4];
+    GpStatus status;
+    GpPath *path;
 
     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
 
@@ -3410,30 +3409,15 @@ GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
     if(graphics->busy)
         return ObjectBusy;
 
-    if (!graphics->hdc)
-    {
-        FIXME("graphics object has no HDC\n");
-        return Ok;
-    }
-
-    ptf[0].X = x;
-    ptf[0].Y = y;
-    ptf[1].X = x + width;
-    ptf[1].Y = y;
-    ptf[2].X = x + width;
-    ptf[2].Y = y + height;
-    ptf[3].X = x;
-    ptf[3].Y = y + height;
-
-    save_state = prepare_dc(graphics, pen);
-    SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
-
-    transform_and_round_points(graphics, pti, ptf, 4);
-    Polygon(graphics->hdc, pti, 4);
+    status = GdipCreatePath(FillModeAlternate, &path);
+    if (status != Ok) return status;
 
-    restore_dc(graphics, save_state);
+    status = GdipAddPathRectangle(path, x, y, width, height);
+    if (status == Ok)
+        status = GdipDrawPath(graphics, pen, path);
 
-    return Ok;
+    GdipDeletePath(path);
+    return status;
 }
 
 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,