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Posted By

zamza726 on 03/16/11


Tagged

expand shrink Gesture


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MyPinchGesture

 / Published in: Objective C
 

Cascade to 4 mode: Expand horizontally, Expand vertically, Shrink horizontally, Shrink vertially

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  1. - (void)handleMyPinchFrom:(UIPinchGestureRecognizer *)recognizer {
  2. /*	Add Blocking Code here~!
  3. //	if ([detailCellLayer.sublayers count]) {
  4. //		return;
  5. //	}
  6. */	
  7. 	if(recognizer.state == UIGestureRecognizerStateBegan) {
  8. 		originP = [recognizer locationOfTouch:0 inView:recognizer.view];  //Save original point
  9. 		return;
  10. 	}
  11.  
  12. 	if(recognizer.state == UIGestureRecognizerStateEnded) {
  13.  
  14. 		CGPoint point = [recognizer locationOfTouch:0 inView:recognizer.view];
  15.  
  16. 		NSLog(@"PINCH %f,%f -> %f,%f : scale: %f",originP.x,originP.y,point.x,point.y,recognizer.scale);
  17.  
  18. 		if (recognizer.scale > 1) { 
  19. 			if (abs(originP.x - point.x) > 60 ) {  
  20. 				NSLog(@"Expand Horizontal");
  21.  
  22. 			}
  23. 			else if (abs(originP.y - point.y) > 60 ) { 
  24. 				NSLog(@"Expand Vertical");
  25. 			}
  26. 		}
  27. 		else {   //shrink
  28. 			if (abs(originP.x - point.x) > 60 ) {
  29. 				NSLog(@"Shrink Horizontal");
  30. 			}
  31. 			else if (abs(originP.y - point.y) > 60 ) {
  32. 				NSLog(@"Shrink Vertical");
  33. 			}	
  34. 		}
  35.  
  36. 	}
  37. }

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