Some functions for dealing with CGRects

CGRect+Additions.h

static __inline__ CGRect CGRectFromCGSize( CGSize size ) {
    return CGRectMake( 0, 0, size.width, size.height );
};

static __inline__ CGRect CGRectMakeWithCenterAndSize( CGPoint center, CGSize size ) {
    return CGRectMake( center.x - size.width * 0.5, center.y - size.height * 0.5, size.width, size.height );  
};

static __inline__ CGRect CGRectMakeWithOriginAndSize( CGPoint origin, CGSize size ) {
    return CGRectMake( origin.x, origin.y, size.width, size.height );
};

static __inline__ CGPoint CGRectCenter( CGRect rect ) {
    return CGPointMake( CGRectGetMidX( rect ), CGRectGetMidY( rect ) );
};