@interface PhotographViewController : UIViewController <UIImagePickerControllerDelegate,UIGestureRecognizerDelegate> {UIImagePickerController *imagePicker;UIImage *photoImage;UIView *overlay;UIImageView *photoCar;UIView *viewPhoth;CGFloat lastScale ;UIImageView *outPhotoImage;}@property (nonatomic,retain) IBOutlet UIImagePickerController *imagePicker;@property (nonatomic,retain) IBOutlet UIView *overlay;@property (nonatomic,retain) IBOutlet UIImageView *outPhotoImage;@property (nonatomic,retain) IBOutlet UIImageView *photoCar;@property (nonatomic,retain) IBOutlet UIView *viewPhoth;-(void)performAction:(id)sender;-(IBAction)returnView;-(IBAction)photographAction;-(IBAction)photographActionImage;-(void)scale:(UIPinchGestureRecognizer *)sender;- (void)rotatePiece:(UIRotationGestureRecognizer *)gestureRecognizer;- (void)panPiece:(UIPanGestureRecognizer *)gestureRecognizer;@end上面是头文件就要加 UIGestureRecognizerDelegate
协议
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//// PhotographViewController.m// test1//// Created by Mica001 on 11-8-30.// Copyright 2011年 __MyCompanyName__. All rights reserved.//#import "PhotographViewController.h"@implementation PhotographViewController@synthesize imagePicker;@synthesize overlay;@synthesize outPhotoImage;@synthesize photoCar;@synthesize viewPhoth;- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];if (self) {// Custom initialization}return self;}- (void)dealloc{[viewPhoth release];[photoCar release];[outPhotoImage release];[overlay release];[imagePicker release];[super dealloc];}-(IBAction)returnView{[self dismissModalViewControllerAnimated:YES] ;}-(IBAction)photographAction{self.imagePicker.sourceType= UIImagePickerControllerSourceTypeCamera;self.imagePicker.showsCameraControls = NO;self.imagePicker.cameraOverlayView=self.overlay; //这里放大，，把工具栏隐藏， 在//overlay 里手工添加一些控制button 当这，这里要用imageview 模拟成button imagePicker.cameraViewTransform = cameraTransform; [self presentModalViewController:imagePicker animated:YES];}- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo { NSLog(@"image");}- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info;{ photoImage=[info objectForKey:@"UIImagePickerControllerOriginalImage"]; outPhotoImage.image=photoImage; [picker dismissModalViewControllerAnimated:YES];}- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker;{ NSLog(@"s");}- (void)didReceiveMemoryWarning{ // Releases the view if it doesn’t have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren’t in use.}#pragma mark – View lifecycle- (void)viewDidLoad{ [super viewDidLoad]; lastScale=1.0; UIImage *image1=[UIImage imageNamed:@"dzlogo.png"]; UIImageView *imageViewCarS1= [[UIImageView alloc] initWithImage:image1]; imageViewCarS1.frame=CGRectMake(0, 0, imageViewCarS1.frame.size.width * 0.4, imageViewCarS1.frame.size.height * 0.4) ; [imageViewCarS1 setTag:11]; self.navigationItem.titleView=imageViewCarS1 ; [imageViewCarS1 release]; self.navigationItem.rightBarButtonItem=[[[UIBarButtonItem alloc] initWithTitle:@"选项" style:UIBarButtonItemStylePlain target:self action:@selector(performAction:)] autorelease]; // 放大缩小手势 UIPinchGestureRecognizer *pinchRecognizer = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(scale:)]; [pinchRecognizer setDelegate:self]; [self.overlay addGestureRecognizer:pinchRecognizer]; [pinchRecognizer release]; // 旋转手势 UIRotationGestureRecognizer *rotationGesture = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotatePiece:)]; [self.viewPhoth addGestureRecognizer:rotationGesture]; [rotationGesture release]; UIPanGestureRecognizer *panGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panPiece:)]; [panGesture setMaximumNumberOfTouches:1]; [panGesture setDelegate:self]; [viewPhoth addGestureRecognizer:panGesture]; [panGesture release];}-(void)scale:(UIPinchGestureRecognizer*)sender { //当手指离开屏幕时,将lastscale设置为1.0 if([sender state] == UIGestureRecognizerStateEnded) { lastScale = 1.0; return; } CGFloat scale = 1.0 – (lastScale – [(UIPinchGestureRecognizer*)sender scale]); CGAffineTransform currentTransform = self.photoCar.transform; CGAffineTransform newTransform = CGAffineTransformScale(currentTransform, scale, scale); [self.photoCar setTransform:newTransform]; lastScale = [sender scale]; }- (void)rotatePiece:(UIRotationGestureRecognizer *)gestureRecognizer{ if ([gestureRecognizer state] == UIGestureRecognizerStateBegan || [gestureRecognizer state] == UIGestureRecognizerStateChanged) { [gestureRecognizer view].transform = CGAffineTransformRotate([[gestureRecognizer view] transform], [gestureRecognizer rotation]); // rotate = [gestureRecognizer rotation]; [gestureRecognizer setRotation:0]; }}- (void)panPiece:(UIPanGestureRecognizer *)gestureRecognizer{ UIView *piece = [gestureRecognizer view]; if ([gestureRecognizer state] == UIGestureRecognizerStateBegan || [gestureRecognizer state] == UIGestureRecognizerStateChanged) { CGPoint translation = [gestureRecognizer translationInView:[piece superview]]; [piece setCenter:CGPointMake([piece center].x + translation.x, [piece center].y + translation.y)]; [gestureRecognizer setTranslation:CGPointZero inView:[piece superview]]; } }- (void)viewDidUnload{ [super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil;}- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation{ // Return YES for supported orientations return ((interfaceOrientation == UIInterfaceOrientationLandscapeLeft) ||(interfaceOrientation == UIInterfaceOrientationLandscapeRight));}-(void)performAction:(id)sender;{ }-(IBAction)photographActionImage{ [self.imagePicker takePicture];}@end
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只是微笑地固执自己的坚持，
