fix rectangle rendering

I had to disable it at the same time as it renders a white space over
the whole chart right now. Before the fix it was just the top left
quadrant.

Change-Id: I499767bcc302e6d6c82437535b4ea10ba212b82d

chart2/source/view/main/DummyXShape.cxx

@@ -562,6 +562,7 @@ DummyRectangle::DummyRectangle(const awt::Size& rSize, const awt::Point& rPoint,
 
 void DummyRectangle::render()
 {
+    /*
     SAL_WARN("chart2.opengl", "render DummyRectangle");
     debugProperties(maProperties);
     DummyChart* pChart = getRootShape();
@@ -586,6 +587,7 @@ void DummyRectangle::render()
     }
     pChart->m_GLRender.RectangleShapePoint(maPosition.X, maPosition.Y, maSize.Width, maSize.Height);
     pChart->m_GLRender.RenderRectangleShape();
+    */
 }
 
 DummyText::DummyText(const OUString& rText, const tNameSequence& rNames,

chart2/source/view/main/OpenGLRender.cxx

@@ -1400,7 +1400,7 @@ int OpenGLRender::RenderRectangleShape()
         RectanglePointList &pointList = m_RectangleShapePointList.front();
         PosVecf3 trans = {pointList.x, pointList.y, pointList.z};
         PosVecf3 angle = {0.0f, 0.0f, 0.0f};
-        PosVecf3 scale = {pointList.xScale / 2, pointList.yScale / 2, 1.0f};
+        PosVecf3 scale = {pointList.xScale, pointList.yScale, 1.0f};
         MoveModelf(trans, angle, scale);
         m_MVP = m_Projection * m_View * m_Model;