if((opMask & MASK_ROI_SOURCE) != 0) {
// Get the source rectangle of interest.
Rectangle2D rect = (Rectangle2D)paramBlock.getObjectParameter(5);
// Check for intersection with source bounds.
if(!rect.intersects(0.0, 0.0, aspectRatioSource, 1.0)) {
throw new RuntimeException(JaiI18N.getString("IIPCRIF5"));
}
// Create the source rectangle.
Rectangle2D rectS = new Rectangle2D.Float(0.0F, 0.0F,