#import <UIKit/UIKit.h>
typedef NS_ENUM(NSUInteger,imagePickerStyle){
ImagePickerStyleCamera,
ImagePickerStylePhotoLibrary
};
@protocol WPhotoImagePickerViewControllerDelegate <NSObject>
-(void)imageChooseFinish:(UIImage *)image;
@end
/**
* 保存成功回调
*
* @param success 保存成功的block
*/
typedef void(^resultBlock)(BOOL success);
@interface WPhotoImagePickerViewController : UIImagePickerController
/**
* SZKImagePickerVCDelegate
*/
@property(nonatomic,assign)id<WPhotoImagePickerViewControllerDelegate>WPhotoImageDelegate;
/**
* 初始化SZKImagePicker
*
* @param style 打开照相机或者图库
*
* @return 初始化SZKImagePicker
*/
-(instancetype)initWithImagePickerStyle:(imagePickerStyle)style;
/**
* 保存图片到沙盒
*
* @param image 要保存的图片
* @param imageName 保存的图片名称
* @param block 保存成功的值
*/
+(void)saveImageToSandbox:(UIImage *)image
andImageNage:(NSString *)imageName
andResultBlock:(resultBlock)block;
/**
* 沙盒中获取到的照片
*
* @param imageName 读取的照片名称
*
* @return 从沙盒读取到的照片
*/
+(UIImage *)loadImageFromSandbox:(NSString *)imageName;
/**
* 根据文件获取沙盒路径
*
* @param fileName 文件名称
*
* @return 文件在沙盒中的路径
*/
+(NSString *)filePath:(NSString *)fileName;
@end
#import "WPhotoImagePickerViewController.h"
@interface WPhotoImagePickerViewController ()<UIImagePickerControllerDelegate>
@end
@implementation WPhotoImagePickerViewController
-(instancetype)initWithImagePickerStyle:(imagePickerStyle)style {
self=[super init];
if (self) {
if (style==ImagePickerStyleCamera) {
self.sourceType=UIImagePickerControllerSourceTypeCamera;
}else if(style==ImagePickerStylePhotoLibrary) {
self.sourceType=UIImagePickerControllerSourceTypePhotoLibrary;
}
}
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.allowsEditing= YES;
self.delegate = self;
self.view.backgroundColor=[UIColor colorWithWhite:0.875 alpha:1.000];
}
#pragma mark---选取照片
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info {
//界面返回
[picker dismissViewControllerAnimated:YES completion:nil];
//获取编辑之后的图片
UIImage *editedImage=[info objectForKey:UIImagePickerControllerEditedImage];
//将获取的image传入代理方法中
[self.WPhotoImageDelegate imageChooseFinish:editedImage];
}
#pragma mark----将照片保存到沙盒
+(void)saveImageToSandbox:(UIImage *)image andImageNage:(NSString *)imageName andResultBlock:(resultBlock)block {
//高保真压缩图片，此方法可将图片压缩，但是图片质量基本不变，第二个参数为质量参数
NSData *imageData=UIImageJPEGRepresentation(image, 0.5);
//将图片写入文件
NSString *filePath=[self filePath:imageName];
//是否保存成功
BOOL result=[imageData writeToFile:filePath atomically:YES];
//保存成功传值到blcok中
if (result) {
block(result);
}
}
#pragma mark----从沙盒中读取照片
+(UIImage *)loadImageFromSandbox:(NSString *)imageName {
//获取沙盒路径
NSString *filePath=[self filePath:imageName];
//根据路径读取image
UIImage *image=[UIImage imageWithContentsOfFile:filePath];
return image;
}
#pragma mark----获取沙盒路径
+(NSString *)filePath:(NSString *)fileName {
//获取沙盒目录
NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
//保存文件名称
NSString *filePath=[paths[0] stringByAppendingPathComponent:fileName];
NSLog(@"%@",filePath);
return filePath;
}
@end
