Image Capture

CameraMainViewController.h

//
//  CameraMainViewController.h
//  HSN
//
//  Created by John Anderson on 11/26/12.
//  Copyright (c) 2012 John Anderson. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface CameraMainViewController : UIViewController<UIImagePickerControllerDelegate,UINavigationControllerDelegate>{
    
}
@property (weak, nonatomic) IBOutlet UIView *cameraContainer;

#define CAMERA_TRANSFORM_X 1
#define CAMERA_TRANSFORM_Y 1.24299

// iPhone screen dimensions:
#define SCREEN_WIDTH  320
#define SCREEN_HEIGTH 548

@end

CameraMainViewController.m

//
//  CameraMainViewController.m
//  HSN
//
//  Created by John Anderson on 11/26/12.
//  Copyright (c) 2012 John Anderson. All rights reserved.
//

#import "CameraMainViewController.h"
#import "Overlay.h"
#import "AddNewCardController.h"

@interface CameraMainViewController ()

@end

UIImagePickerController *picker;
Overlay *overlay;
UIButton *overlayButton;

@implementation CameraMainViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view.
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void) viewDidAppear:(BOOL)animated {
    Overlay *overlay = [[Overlay alloc] initWithFrame:CGRectMake(0, 0, 320, 580)];
    
    picker = [[UIImagePickerController alloc] init];
    if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]){
        [picker setSourceType:UIImagePickerControllerSourceTypeCamera];
        picker.delegate = self;
        picker.showsCameraControls = NO;
        picker.navigationBarHidden = YES;
        picker.wantsFullScreenLayout = YES;
        picker.cameraViewTransform = CGAffineTransformScale(picker.cameraViewTransform, CAMERA_TRANSFORM_X, CAMERA_TRANSFORM_Y);
        picker.cameraOverlayView = overlay;
        
        overlayButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [overlayButton setFrame:CGRectMake(0, 0, 320, 455)];
        [overlayButton addTarget:self action:@selector(scanButtonPressed) forControlEvents:UIControlEventTouchUpInside];
        [picker.view addSubview:overlayButton];
    }else{
        [picker setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
    }
    
    [self presentViewController:picker animated:YES completion:nil];
    
    
    [super viewDidAppear:YES];
}

-(void)scanButtonPressed{
    [self imagePickerControllerDidCancel:picker]; 
}

-(void)imagePickerControllerDidCancel:(UIImagePickerController *)imagePicker
{
    [imagePicker dismissViewControllerAnimated:YES completion:^{
        AddNewCardController *_add = [[AddNewCardController alloc] init];
        
        _add.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
        [self presentViewController:_add animated:YES completion:nil];
    }];
    
}


@end

Overlay.h

//
//  Overlay.h
//  HSN
//
//  Created by John Anderson on 11/26/12.
//  Copyright (c) 2012 John Anderson. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface Overlay : UIView


@end

Overlay.m

//
//  Overlay.m
//  HSN
//
//  Created by John Anderson on 11/26/12.
//  Copyright (c) 2012 John Anderson. All rights reserved.
//

#import "Overlay.h"
#import "AddNewCardController.h"

@implementation Overlay



- (id)initWithFrame:(CGRect)frame
{
    if (self = [super initWithFrame:frame]) {
        // Clear the background of the overlay:
        self.opaque = NO;
        self.backgroundColor = [UIColor clearColor];
        
        // Load the image to show in the overlay:
        UIImage *overlayGraphic = [UIImage imageNamed:@"camera_card2.png"];
        UIImageView *overlayGraphicView = [[UIImageView alloc] initWithImage:overlayGraphic];
        overlayGraphicView.frame = CGRectMake(0, 0, 320, 580);
        [self addSubview:overlayGraphicView];
        
    }
    return self;
}

@end