UIPinchGestureRecognizer Scale view in different x and y directions - iphone

Question

i don't want to use the scale as classic zoom, instead i want to change the form of quadrates to a rectangle for example.
After a lot of trying i'm that far that my fingers are the corners of the rectangle.
So but if i start a new pinch gesture inside my view gets smaller to my fingers instead of getting bigger like the normal scale does.
if ([gestureRecognizer numberOfTouches] >1) {
//getting width and height between gestureCenter and one of my finger
float x = [gestureRecognizer locationInView:self].x - [gestureRecognizer locationOfTouch:0 inView:self].x;
if (x<0) {
x *= -1;
}
float y = [gestureRecognizer locationInView:self].y - [gestureRecognizer locationOfTouch:0 inView:self].y;
if (y<0) {
y *= -1;
}
//double size cause x and y is just the way from the middle to my finger
float width = x*2;
if (width < 1) {
width = 1;
}
float height = y*2;
if (height < 1) {
height = 1;
}
self.bounds = CGRectMake(self.bounds.origin.x , self.bounds.origin.y , width, height);
[gestureRecognizer setScale:1];
[[self layer] setBorderWidth:2.f];
}
does anyone know a way to make a X-Y-Scale which don't resize to my fingers position as corners.
Thank you very much

Answer 1

Got the solution
- (void) scaleSelfWith:(UIPinchGestureRecognizer *)gestureRecognizer{
if ([gestureRecognizer numberOfTouches] >1) {
//getting width and height between gestureCenter and one of my finger
float x = [gestureRecognizer locationInView:self].x - [gestureRecognizer locationOfTouch:1 inView:self].x;
if (x<0) {
x *= -1;
}
float y = [gestureRecognizer locationInView:self].y - [gestureRecognizer locationOfTouch:1 inView:self].y;
if (y<0) {
y *= -1;
}
//set Border
if (gestureRecognizer.state == UIGestureRecognizerStateBegan) {
xDis = self.bounds.size.width - x*2;
yDis = self.bounds.size.height - y*2;
}
//double size cause x and y is just the way from the middle to my finger
float width = x*2+xDis;
if (width < 1) {
width = 1;
}
float height = y*2+yDis;
if (height < 1) {
height = 1;
}
self.bounds = CGRectMake(self.bounds.origin.x , self.bounds.origin.y , width, height);
[gestureRecognizer setScale:1];
[[self layer] setBorderWidth:2.f];
}
}
added xDif and yDif with the distance of my touch from the side of the view.
after scale i add them to the size