diff --git a/lcl/interfaces/qt/qtobject.inc b/lcl/interfaces/qt/qtobject.inc
index e6661e2dc4..0cd436e70f 100644
--- a/lcl/interfaces/qt/qtobject.inc
+++ b/lcl/interfaces/qt/qtobject.inc
@@ -622,7 +622,7 @@ begin
   TQtBrush(FStockWhiteBrush).FShared := True;
 
   LogPen.lopnStyle := PS_NULL;
-  LogPen.lopnWidth.X := 1;
+  LogPen.lopnWidth := Point(0, 0); // create cosmetic pens
   LogPen.lopnColor := $FFFFFF;
   FStockNullPen := CreatePenIndirect(LogPen);
   TQtPen(FStockNullPen).FShared := True;
@@ -635,7 +635,7 @@ begin
   FStockBlackPen := CreatePenIndirect(LogPen);
   TQtPen(FStockBlackPen).FShared := True;
 
-  FStockSystemFont := 0;//Styles aren't initialized yet
+  FStockSystemFont := 0; // styles aren't initialized yet
   
   FStockDefaultDC := 0; // app must be initialized
 end;
diff --git a/lcl/interfaces/qt/qtobjects.pas b/lcl/interfaces/qt/qtobjects.pas
index 0d9a5d1db7..e6c563bff6 100644
--- a/lcl/interfaces/qt/qtobjects.pas
+++ b/lcl/interfaces/qt/qtobjects.pas
@@ -212,13 +212,15 @@ type
     constructor Create(CreateHandle: Boolean; Const AShared: Boolean = False); virtual;
     destructor Destroy; override;
   public
-    function Width: Integer;
-    function Style: QtPenStyle;
+    function getWidth: Integer;
+    function getStyle: QtPenStyle;
     function getColor: TQColor;
+    function getCosmetic: Boolean;
     procedure setStyle(AStyle: QtPenStyle);
     procedure setBrush(brush: QBrushH);
     procedure setWidth(p1: Integer);
     procedure setColor(p1: TQColor);
+    procedure setCosmetic(b: Boolean);
   end;
 
 
@@ -1417,6 +1419,16 @@ begin
   inherited Destroy;
 end;
 
+function TQtPen.getWidth: Integer;
+begin
+  Result := QPen_width(Widget);
+end;
+
+function TQtPen.getStyle: QtPenStyle;
+begin
+  Result := QPen_style(Widget);
+end;
+
 {------------------------------------------------------------------------------
   Function: TQtPen.setBrush
   Params:  None
@@ -1448,34 +1460,17 @@ begin
   QPen_setWidth(Widget, p1);
 end;
 
-
-{------------------------------------------------------------------------------
-  Function: TQtPen.Style
-  Params:  None
-  Returns: QPenStyle
- ------------------------------------------------------------------------------}
-function TQtPen.Style: QtPenStyle;
-begin
-  Result := QPen_Style(Widget);
-end;
-
 function TQtPen.getColor: TQColor;
 begin
   QPen_color(Widget, @Result);
 end;
 
-
-{------------------------------------------------------------------------------
-  Function: TQtPen.Width
-  Params:  None
-  Returns: integer , width of current pen
-
- ------------------------------------------------------------------------------}
-function TQtPen.Width: Integer;
+function TQtPen.getCosmetic: Boolean;
 begin
-  Result := QPen_Width(Widget);
+  Result := QPen_isCosmetic(Widget);
 end;
 
+
 {------------------------------------------------------------------------------
   Function: TQtPen.setColor
   Params:  p1: TQColor
@@ -1487,6 +1482,11 @@ begin
   QPen_setColor(Widget, @p1);
 end;
 
+procedure TQtPen.setCosmetic(b: Boolean);
+begin
+  QPen_setCosmetic(Widget, b);
+end;
+
 
 { TQtRegion }
 
@@ -2267,9 +2267,9 @@ end;
 
 procedure TQColorToColorRef(const AColor: TQColor; out AColorRef: TColorRef);
 begin
-  AColorRef:=(( AColor.r shr 8) and $FF)
-       or (AColor.g  and $ff00)
-       or ((AColor.b  shl 8) and $ff0000);
+  AColorRef := ((AColor.r shr 8) and $FF) or
+                (AColor.g and $FF00) or
+               ((AColor.b shl 8) and $FF0000);
 end;
 
 procedure ColorRefToTQColor(const AColorRef: TColorRef; var AColor:TQColor);
diff --git a/lcl/interfaces/qt/qtwinapi.inc b/lcl/interfaces/qt/qtwinapi.inc
index a8872811c9..13c106b4ee 100644
--- a/lcl/interfaces/qt/qtwinapi.inc
+++ b/lcl/interfaces/qt/qtwinapi.inc
@@ -633,7 +633,13 @@ begin
       QtPen.setStyle(QtSolidLine);
     end;
 
-    QtPen.setWidth(lopnWidth.X);
+    if lopnWidth.X <= 0 then
+      QtPen.setCosmetic(True)
+    else
+    begin
+      QtPen.setCosmetic(False);
+      QtPen.setWidth(lopnWidth.X);
+    end;
 
     QPen_Color(QtPen.Widget, @Color);
     ColorRefToTQColor(ColorToRGB(lopnColor), Color);
@@ -2163,11 +2169,24 @@ end;
   Necessary for TBitmap support
  ------------------------------------------------------------------------------}
 function TQtWidgetSet.GetObject(GDIObj: HGDIOBJ; BufSize: Integer; Buf: Pointer): Integer;
+const
+  QtPenStyleToWinStyleMap: array[QtPenStyle] of UINT =
+  (
+ { QtNoPen          } PS_NULL,
+ { QtSolidLine      } PS_SOLID,
+ { QtDashLine       } PS_DASH,
+ { QtDotLine        } PS_DOT,
+ { QtDashDotLine    } PS_DASHDOT,
+ { QtDashDotDotLine } PS_DASHDOTDOT,
+ { QtCustomDashLine } PS_USERSTYLE
+  );
 var
   aObject: TObject;
   AFont: TQtFont absolute aObject;
+  APen: TQtPen absolute aObject;
   BitmapSection : TDIBSECTION;
   ALogFont: PLogFont absolute Buf;
+  ALogPen: PLogPen absolute Buf;
   {$ifdef VerboseQtWinAPI}
     ObjType: string;
   {$endif}
@@ -2221,6 +2240,22 @@ begin
       ALogFont^.lfFaceName := UTF8Encode(AFont.getFamily);
     end;
   end
+  {------------------------------------------------------------------------------
+    Pen
+   ------------------------------------------------------------------------------}
+  else
+  if aObject is TQtPen then
+  begin
+    if BufSize = SizeOf(TLogPen) then
+    begin
+      TQColorToColorRef(APen.getColor, ALogPen^.lopnColor);
+      if APen.getCosmetic then
+        ALogPen^.lopnWidth := Point(0, 0)
+      else
+        ALogPen^.lopnWidth := Point(APen.getWidth, 0);
+      ALogPen^.lopnStyle := QtPenStyleToWinStyleMap[APen.getStyle];
+    end;
+  end
   {------------------------------------------------------------------------------
     Brush
    ------------------------------------------------------------------------------}