backendtest: Add PolyLine B2D test diamond

Change-Id: I6e754e72ff698d62c493b827f9804f63d0e39e2d

1 files changed, 27 insertions, 0 deletions

diff --git a/vcl/backendtest/outputdevice/polyline_b2d.cxx b/vcl/backendtest/outputdevice/polyline_b2d.cxx
index b59685c7a817..43b814b2915e 100644
--- a/vcl/backendtest/outputdevice/polyline_b2d.cxx
+++ b/vcl/backendtest/outputdevice/polyline_b2d.cxx
@@ -30,6 +30,17 @@ void drawPolyLineOffset(OutputDevice& rDevice, tools::Rectangle const& rRect, in
     rDevice.DrawPolyLine(aPolygon, 0.0); // draw hairline
 }
 
+void addDiamondPoints(tools::Rectangle rRect, int nOffset, basegfx::B2DPolygon& rPolygon)
+{
+    double midPointX = rRect.Left() + (rRect.Right() - rRect.Left()) / 2.0;
+    double midPointY = rRect.Top() + (rRect.Bottom() - rRect.Top()) / 2.0;
+
+    rPolygon.append({ midPointX, midPointY - nOffset });
+    rPolygon.append({ midPointX + nOffset, midPointY });
+    rPolygon.append({ midPointX, midPointY + nOffset });
+    rPolygon.append({ midPointX - nOffset, midPointY });
+}
+
 } // end anonymous namespace
 
 Bitmap OutputDeviceTestPolyLineB2D::setupRectangle(bool bEnableAA)
@@ -45,6 +56,22 @@ Bitmap OutputDeviceTestPolyLineB2D::setupRectangle(bool bEnableAA)
     return mpVirtualDevice->GetBitmapEx(maVDRectangle.TopLeft(), maVDRectangle.GetSize())
         .GetBitmap();
 }
+
+Bitmap OutputDeviceTestPolyLineB2D::setupDiamond()
+{
+    initialSetup(11, 11, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    basegfx::B2DPolygon aPolygon;
+    addDiamondPoints(maVDRectangle, 4, aPolygon);
+    aPolygon.setClosed(true);
+
+    mpVirtualDevice->DrawPolyLine(aPolygon);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
 }
 } // end namespace vcl::test