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2014/10/15 ¤U¤È 10:12:48
iphone Programming Glossary: point2A question on how to Get data from plist & how should it be layout http://stackoverflow.com/questions/1605310/a-question-on-how-to-get-data-from-plist-how-should-it-be-layout to calculate the touch distance so i could adjust the hit points. CGFloat distanceBetween CGPoint point1 and CGPoint point2 NSMutableDictionary self loadDictionaryFromPList @ NSNumber 1stXCoordinate objectForKey @ 1stXCoordinate NSNumber 1stYCoordinate..
http://stackoverflow.com/questions/2135744/iphone-uiimageview-pinch-zoom YES self.multipleTouchEnabled YES zooming NO return self float distanceBetweenTwoPoints CGPoint point1 CGPoint point2 NSLog @ point1 x 5.2f point 2 x 5.2f point 1 y 5.2f point 2 y 5.2f point1.x point2.x point1.y point2.y return sqrt pow point1.x.. CGPoint point1 CGPoint point2 NSLog @ point1 x 5.2f point 2 x 5.2f point 1 y 5.2f point 2 y 5.2f point1.x point2.x point1.y point2.y return sqrt pow point1.x point2.x 2 pow point1.y point2.y 2 void touchesBegan NSSet touches withEvent.. point1 CGPoint point2 NSLog @ point1 x 5.2f point 2 x 5.2f point 1 y 5.2f point 2 y 5.2f point1.x point2.x point1.y point2.y return sqrt pow point1.x point2.x 2 pow point1.y point2.y 2 void touchesBegan NSSet touches withEvent UIEvent event if..
http://stackoverflow.com/questions/3956202/ipad-very-simple-drawing 1 arrayOfTouches removeAllObjects CGPoint point1 tempArray objectAtIndex 0 previousLocationInView self.view CGPoint point2 CGPoint point3 for int i 0 i tempArray count 1 i i 1 UIGraphicsBeginImageContext self.view.frame.size drawImage.image.. CGContextMoveToPoint UIGraphicsGetCurrentContext point1.x point1.y CGContextAddLineToPoint UIGraphicsGetCurrentContext point2.x point2.y CGContextStrokePath UIGraphicsGetCurrentContext CGContextFlush UIGraphicsGetCurrentContext drawImage.image.. UIGraphicsGetCurrentContext point1.x point1.y CGContextAddLineToPoint UIGraphicsGetCurrentContext point2.x point2.y CGContextStrokePath UIGraphicsGetCurrentContext CGContextFlush UIGraphicsGetCurrentContext drawImage.image UIGraphicsGetImageFromCurrentImageContext..
Using UIPinchGestureRecognizer to scale uiviews in single direction http://stackoverflow.com/questions/6759028/using-uipinchgesturerecognizer-to-scale-uiviews-in-single-direction NSLog @ scalePiece exit Calculate distance CGPoint calculatePointDistancewithPoint1 CGPoint point1 andPoint2 CGPoint point2 return CGPointMake point2.x point1.x point2.y point1.y This is the log output when I try to pinch out zoom into of the view.. Calculate distance CGPoint calculatePointDistancewithPoint1 CGPoint point1 andPoint2 CGPoint point2 return CGPointMake point2.x point1.x point2.y point1.y This is the log output when I try to pinch out zoom into of the view only moving my fingers.. CGPoint calculatePointDistancewithPoint1 CGPoint point1 andPoint2 CGPoint point2 return CGPointMake point2.x point1.x point2.y point1.y This is the log output when I try to pinch out zoom into of the view only moving my fingers in a vertical direction...
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