/**
* Prototype with the default structure of a new auto-shape.
*/
protected static CTShape prototype() {
if(prototype == null) {
CTShape shape = CTShape.Factory.newInstance();
CTShapeNonVisual nv = shape.addNewNvSpPr();
CTNonVisualDrawingProps nvp = nv.addNewCNvPr();
nvp.setId(1);
nvp.setName("Shape 1");
nv.addNewCNvSpPr();
CTShapeProperties sp = shape.addNewSpPr();
CTTransform2D t2d = sp.addNewXfrm();
CTPositiveSize2D p1 = t2d.addNewExt();
p1.setCx(0);
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);
style.getLnRef().setIdx(2);
CTStyleMatrixReference fillref = style.addNewFillRef();
fillref.setIdx(1);
fillref.addNewSchemeClr().setVal(STSchemeColorVal.ACCENT_1);
CTStyleMatrixReference effectRef = style.addNewEffectRef();
effectRef.setIdx(0);
effectRef.addNewSchemeClr().setVal(STSchemeColorVal.ACCENT_1);
CTFontReference fontRef = style.addNewFontRef();
fontRef.setIdx(STFontCollectionIndex.MINOR);
fontRef.addNewSchemeClr().setVal(STSchemeColorVal.LT_1);
CTTextBody body = shape.addNewTxBody();
CTTextBodyProperties bodypr = body.addNewBodyPr();
bodypr.setAnchor(STTextAnchoringType.CTR);
bodypr.setRtlCol(false);
CTTextParagraph p = body.addNewP();
p.addNewPPr().setAlgn(STTextAlignType.CTR);