288 lines
11 KiB
Mathematica
288 lines
11 KiB
Mathematica
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// SelectPhotoManager.m
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// SelectPhoto
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//
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// Created by 吉祥 on 2017/8/29.
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// Copyright © 2017年 jixiang. All rights reserved.
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//
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#import "SelectPhotoManager.h"
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@implementation SelectPhotoManager {
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//图片名
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NSString *_imageName;
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}
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- (instancetype)init {
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self = [super init];
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if (self) {
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_canEditPhoto = NO;
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}
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return self;
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}
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//开始选择照片
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- (void)startSelectPhotoWithImageName:(NSString *)imageName{
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_imageName = imageName;
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle: UIAlertControllerStyleActionSheet];
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UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
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[alertController addAction: [UIAlertAction actionWithTitle: @"拍照" style: UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
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[self selectPhotoWithType:0];
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}]];
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[alertController addAction: [UIAlertAction actionWithTitle: @"从相册获取" style: UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
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[self selectPhotoWithType:1];
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}]];
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[alertController addAction:cancelAction];
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alertController.modalPresentationStyle = 0;
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[[self getCurrentVC] presentViewController:alertController animated:YES completion:nil];
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}
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//根据类型选取照片
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- (void)startSelectPhotoWithType:(SelectPhotoType)type andImageName:(NSString *)imageName {
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_imageName = imageName;
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UIImagePickerController *ipVC = [[UIImagePickerController alloc] init];
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//设置跳转方式
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ipVC.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
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if (_canEditPhoto) {
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// 设置是否可对图片进行编辑
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ipVC.allowsEditing = YES;
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}
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ipVC.delegate = self;
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if (type == PhotoCamera) {
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MYLog(@"相机");
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BOOL isCamera = [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear];
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if (!isCamera) {
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MYLog(@"没有摄像头");
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if (_errorHandle) {
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_errorHandle(@"没有摄像头");
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}
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"提示" message:@"您的设备不支持拍照" preferredStyle:UIAlertControllerStyleAlert];
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[alertController addAction: [UIAlertAction actionWithTitle: @"确定" style: UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
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}]];
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alertController.modalPresentationStyle = 0;
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[[self getCurrentVC] presentViewController:alertController animated:YES completion:nil];
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return ;
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}else{
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ipVC.sourceType = UIImagePickerControllerSourceTypeCamera;
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}
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}else{
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MYLog(@"相册");
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ipVC.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
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}
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ipVC.modalPresentationStyle = 0;
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[[self getCurrentVC] presentViewController:ipVC animated:YES completion:nil];
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}
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//获取当前屏幕显示的viewcontroller
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- (UIViewController *)getCurrentVC {
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if (_superVC) {
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return _superVC;
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}
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UIViewController *result = nil;
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UIWindow * window = [[UIApplication sharedApplication] keyWindow];
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if (window.windowLevel != UIWindowLevelNormal)
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{
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NSArray *windows = [[UIApplication sharedApplication] windows];
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for(UIWindow * tmpWin in windows)
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{
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if (tmpWin.windowLevel == UIWindowLevelNormal)
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{
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window = tmpWin;
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break;
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}
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}
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}
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UIView *frontView = [[window subviews] objectAtIndex:0];
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id nextResponder = [frontView nextResponder];
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if ([nextResponder isKindOfClass:[UIViewController class]]) {
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result = nextResponder;
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}else{
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result = window.rootViewController;
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}
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return result;
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}
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#pragma mark 方法
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-(void)selectPhotoWithType:(int)type {
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if (type == 2) {
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MYLog(@"取消");
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}else{
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if (@available(iOS 11, *)) {
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UIScrollView.appearance.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
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}
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UIImagePickerController *ipVC = [[UIImagePickerController alloc] init];
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//设置跳转方式
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ipVC.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
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ipVC.modalPresentationStyle = 0;
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// ipVC.navigationBar.translucent = NO; //去除毛玻璃效果 解决导航栏遮挡相册的问题
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if (_canEditPhoto) {
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// 设置是否可对图片进行编辑
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ipVC.allowsEditing = YES;
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}
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ipVC.delegate = self;
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if (type == 0) {
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MYLog(@"相机");
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BOOL isCamera = [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear];
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if (!isCamera) {
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MYLog(@"没有摄像头");
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if (_errorHandle) {
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_errorHandle(@"没有摄像头");
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}
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"提示" message:@"您的设备不支持拍照" preferredStyle:UIAlertControllerStyleAlert];
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[alertController addAction: [UIAlertAction actionWithTitle: @"确定" style: UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
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}]];
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alertController.modalPresentationStyle=0;
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[[self getCurrentVC] presentViewController:alertController animated:YES completion:nil];
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return ;
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}else{
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ipVC.sourceType = UIImagePickerControllerSourceTypeCamera;
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}
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}else{
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MYLog(@"相册");
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ipVC.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
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}
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[[self getCurrentVC] presentViewController:ipVC animated:YES completion:nil];
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}
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}
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#pragma mark -----------------imagePickerController协议方法
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- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
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UIImage *portraitImg = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
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YYImageClipViewController *imgCropperVC = [[YYImageClipViewController alloc] initWithImage:portraitImg cropFrame:CGRectMake(0, 100.0f,ScreenWidth, ScreenWidth) limitScaleRatio:3.0];
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imgCropperVC.delegate = self;
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[picker pushViewController:imgCropperVC animated:NO];
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// MYLog(@"info = %@",info);
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UIImage *image = [info objectForKey:@"UIImagePickerControllerEditedImage"];
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if (image == nil) {
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image = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
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}
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}
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- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{
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[[self getCurrentVC] dismissViewControllerAnimated:YES completion:nil];
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}
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#pragma mark - YYImageCropperDelegate
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- (void)imageCropper:(YYImageClipViewController *)cropperViewController didFinished:(UIImage *)editedImage {
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//图片旋转
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if (editedImage.imageOrientation != UIImageOrientationUp) {
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//图片旋转
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editedImage = [self fixOrientation:editedImage];
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}
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if (_imageName ==nil || _imageName.length == 0) {
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//获取当前时间,生成图片路径
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NSDate *date = [NSDate date];
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NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
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[formatter setDateStyle:NSDateFormatterMediumStyle];
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[formatter setTimeStyle:NSDateFormatterShortStyle];
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[formatter setDateFormat:@"YYYY-MM-dd hh:mm:ss"];
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NSString *dateStr = [formatter stringFromDate:date];
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_imageName = [NSString stringWithFormat:@"photo_%@.jpg",dateStr];
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}
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[[self getCurrentVC] dismissViewControllerAnimated:YES completion:nil];
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if (_delegate && [_delegate respondsToSelector:@selector(selectPhotoManagerDidFinishImage:)]) {
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[_delegate selectPhotoManagerDidFinishImage:editedImage];
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}
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if (_successHandle) {
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_successHandle(self,editedImage);
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}
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}
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- (void)imageCropperDidCancel:(YYImageClipViewController *)clipViewController {
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[[self getCurrentVC] dismissViewControllerAnimated:YES completion:nil];
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if (_delegate && [_delegate respondsToSelector:@selector(selectPhotoManagerDidError:)]) {
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[_delegate selectPhotoManagerDidError:nil];
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}
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if (_errorHandle) {
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_errorHandle(@"撤销");
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}
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}
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#pragma mark 图片处理方法
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//图片旋转处理
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- (UIImage *)fixOrientation:(UIImage *)aImage {
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CGAffineTransform transform = CGAffineTransformIdentity;
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switch (aImage.imageOrientation) {
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case UIImageOrientationDown:
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case UIImageOrientationDownMirrored:
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transform = CGAffineTransformTranslate(transform, aImage.size.width, aImage.size.height);
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transform = CGAffineTransformRotate(transform, M_PI);
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break;
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case UIImageOrientationLeft:
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case UIImageOrientationLeftMirrored:
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transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);
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transform = CGAffineTransformRotate(transform, M_PI_2);
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break;
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case UIImageOrientationRight:
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case UIImageOrientationRightMirrored:
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transform = CGAffineTransformTranslate(transform, 0, aImage.size.height);
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transform = CGAffineTransformRotate(transform, -M_PI_2);
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break;
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default:
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break;
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}
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switch (aImage.imageOrientation) {
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case UIImageOrientationUpMirrored:
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case UIImageOrientationDownMirrored:
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transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);
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transform = CGAffineTransformScale(transform, -1, 1);
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break;
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case UIImageOrientationLeftMirrored:
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case UIImageOrientationRightMirrored:
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transform = CGAffineTransformTranslate(transform, aImage.size.height, 0);
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transform = CGAffineTransformScale(transform, -1, 1);
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break;
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default:
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break;
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}
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// Now we draw the underlying CGImage into a new context, applying the transform
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// calculated above.
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CGContextRef ctx = CGBitmapContextCreate(NULL, aImage.size.width, aImage.size.height,
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CGImageGetBitsPerComponent(aImage.CGImage), 0,
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CGImageGetColorSpace(aImage.CGImage),
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CGImageGetBitmapInfo(aImage.CGImage));
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CGContextConcatCTM(ctx, transform);
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switch (aImage.imageOrientation) {
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case UIImageOrientationLeft:
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case UIImageOrientationLeftMirrored:
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case UIImageOrientationRight:
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case UIImageOrientationRightMirrored:
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// Grr...
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CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.height,aImage.size.width), aImage.CGImage);
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break;
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default:
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CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.width,aImage.size.height), aImage.CGImage);
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break;
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}
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// And now we just create a new UIImage from the drawing context
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CGImageRef cgimg = CGBitmapContextCreateImage(ctx);
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UIImage *img = [UIImage imageWithCGImage:cgimg];
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CGContextRelease(ctx);
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CGImageRelease(cgimg);
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return img;
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}
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@end
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