ktyr report

ELCImagePickerControllerを使ってカメラロールの写真を複数選択

1) LibraryをLinkさせる
・プロジェクトを選択
・TARGETSを選択
・Build Phasesをクリック
・Link Binary With Librariesをクリック
・「+」をクリック
・AssetsLibrary.frameworkを選択して「add」

2)ヘッダファイルでimport

#import "ELCImagePickerController.h"
#import "ELCAlbumPickerController.h"

3)実装

-(float)getFillRatio:(CGSize)sourceSize targetSize:(CGSize)targetSize{
    CGFloat widthRatio  = targetSize.width  / sourceSize.width;
    CGFloat heightRatio = targetSize.height / sourceSize.height;
    return (widthRatio > heightRatio) ? widthRatio : heightRatio;
}
-(UIImage*)getResizeImageFill:(UIImage*)img size:(CGSize)_size{
    CGFloat ratio=[self getFillRatio:img.size targetSize:_size];
    CGSize resizedSize = CGSizeMake(roundf(img.size.width*ratio), roundf(img.size.height*ratio));
    
    UIGraphicsBeginImageContext(resizedSize);
    [img drawInRect:CGRectMake(0, 0, resizedSize.width, resizedSize.height)];
    UIImage* resizedImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    return resizedImage;
}




-(void)startPhotoSelect{
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
        ELCAlbumPickerController *albumController = [[[ELCAlbumPickerController alloc] initWithNibName:@"ELCAlbumPickerController" bundle:[NSBundle mainBundle]]autorelease];
        ELCImagePickerController *elcPicker = [[[ELCImagePickerController alloc] initWithRootViewController:albumController]autorelease];
        [albumController setParent:elcPicker];
        [elcPicker setDelegate:self];
        [self presentModalViewController:elcPicker animated:YES];
    } else {
    }
}
- (void)elcImagePickerController:(ELCImagePickerController *)picker didFinishPickingMediaWithInfo:(NSArray *)info {
	[self dismissModalViewControllerAnimated:YES];
    if ([info count]<1) {
        return;
    }
    int i;
    NSMutableDictionary*d;
    CGSize imageSize=CGSizeMake(100, 100);
    for (i=0; i<[info count]; i++) {
        d=[info objectAtIndex:i];
        UIImageView *imageview;
        imageview=[[UIImageView alloc] initWithImage:[self getResizeImageFill:[d objectForKey:UIImagePickerControllerOriginalImage] size:imageSize]];
        [self.view addSubview:imageview];
        imageview.frame=CGRectMake(20.0*i, 20.0*i, imageSize.width, imageSize.height);
    }
}
- (void)elcImagePickerControllerDidCancel:(ELCImagePickerController *)picker {
	[self dismissModalViewControllerAnimated:YES];
}

//ここから実行
-(IBAction)whenTapBtn:(id)sender{
    [self startPhotoSelect];
}

github:ELCImagePickerController
https://github.com/elc/ELCImagePickerController