p1.setCy(0);
CTPoint2D p2 = t2d.addNewOff();
p2.setX(0);
p2.setY(0);
CTPresetGeometry2D geom = sp.addNewPrstGeom();
geom.setPrst(STShapeType.RECT);
geom.addNewAvLst();
CTShapeStyle style = shape.addNewStyle();
CTSchemeColor scheme = style.addNewLnRef().addNewSchemeClr();
scheme.setVal(STSchemeColorVal.ACCENT_1);
scheme.addNewShade().setVal(50000);