@Override
protected void performImageTransformation(WFImage pImg) {
SimpleImage img = (SimpleImage) pImg;
if ((leftSize > 0) || (topSize > 0) || (rightSize > 0) || (bottomSize > 0)) {
PlainImageCreator creator = new PlainImageCreator();
creator.setBgColor(color);
SimpleImage bgImg = creator.createImage(pImg.getImageWidth() + leftSize + rightSize,
pImg.getImageHeight() + topSize + bottomSize);
ComposeTransformer cT = new ComposeTransformer();
cT.setForegroundImage(img);
cT.setLeft(leftSize);
cT.setTop(topSize);