iview transform js test

CGAffineTransform in jscocoa

var anim = 1;
if ( anim ){
UIView.beginAnimations_context(null, null);
UIView.setAnimationDuration(0.4)
}

var orientation = 1;


var x = TransitionView.image.image.size.width;
var y = TransitionView.image.image.size.height;

var height = 460;
var width =320;

var X = ((orientation%2)?y:x);
var Y = ((orientation%2)?x:y);

var zx = ( width / X );
var zy = ( height / Y );


var zoom = (zx > zy) ? zy : zx;
zoom = (zoom>1) ? 1 : zoom;

if ( zoom * Y > height - 65 ) {
    TransitionView.image.center = new CGPoint(160, 0 + ( Y*zoom) /2 );
} else if ( zoom *Y < height - 65 ) {
    TransitionView.image.center = new CGPoint(160, (height - 65)/2);
} else if ( zoom *Y < height - 45 ) {
    TransitionView.image.center = new CGPoint(160, (height - 45) /2 );
} else {
    TransitionView.image.center = new CGPoint(160, 230);
}

var tx = 0;
var ty = 0;
var rad = (Math.PI / 2) * orientation;
var a = Math.cos(rad) * zoom;
var b = Math.sin(rad)*zoom
var c = - Math.sin(rad)*zoom
var d = Math.cos(rad) * zoom;
var t = new CGAffineTransform(a,b,c,d,tx,ty);
TransitionView.image.transform = t;
if ( anim) {
 UIVIew.commitAnimations()
}
var center = TransitionView.image.center;

[zoom,x,y, center.x, center.y ,X,Y, X*zoom, Y*zoom];