新增notScaleImage属性，设置为YES时内部不去缩放图片

TZImagePickerController/TZImagePickerController/TZImageManager.m

@@ -553,7 +553,9 @@ static dispatch_once_t onceToken;
                 options.resizeMode = PHImageRequestOptionsResizeModeFast;
                 [[PHImageManager defaultManager] requestImageDataForAsset:asset options:options resultHandler:^(NSData *imageData, NSString *dataUTI, UIImageOrientation orientation, NSDictionary *info) {
                     UIImage *resultImage = [UIImage imageWithData:imageData scale:0.1];
-                    resultImage = [self scaleImage:resultImage toSize:imageSize];
+                    if (![TZImagePickerConfig sharedInstance].notScaleImage) {
+                        resultImage = [self scaleImage:resultImage toSize:imageSize];
+                    }
                     if (!resultImage) {
                         resultImage = image;
                     }

TZImagePickerController/TZImagePickerController/TZImagePickerController.h

@@ -132,6 +132,10 @@
 /// Default is white color with 0.8 alpha;
 @property (strong, nonatomic) UIColor *cannotSelectLayerColor;
 
+/// Default is No, if set YES, the result photo will not be scaled to photoWidth pixel width. The photoWidth default is 828px
+/// 默认是NO，如果设置为YES，内部不会缩放图片到photoWidth像素宽
+@property (assign, nonatomic) BOOL notScaleImage;
+
 /// The photos user have selected
 /// 用户选中过的图片数组
 @property (nonatomic, strong) NSMutableArray *selectedAssets;
@@ -330,4 +334,5 @@
 @property (assign, nonatomic) NSInteger gifPreviewMaxImagesCount;
 @property (assign, nonatomic) BOOL showSelectedIndex;
 @property (assign, nonatomic) BOOL showPhotoCannotSelectLayer;
+@property (assign, nonatomic) BOOL notScaleImage;
 @end

TZImagePickerController/TZImagePickerController/TZImagePickerController.m

@@ -271,6 +271,7 @@
     self.barItemTextFont = [UIFont systemFontOfSize:15];
     self.barItemTextColor = [UIColor whiteColor];
     self.allowPreview = YES;
+    self.notScaleImage = NO;
     self.statusBarStyle = UIStatusBarStyleLightContent;
     self.cannotSelectLayerColor = [[UIColor whiteColor] colorWithAlphaComponent:0.8];
     self.allowCameraLocation = YES;
@@ -354,6 +355,11 @@
     [TZImagePickerConfig sharedInstance].showPhotoCannotSelectLayer = showPhotoCannotSelectLayer;
 }
 
+- (void)setNotScaleImage:(BOOL)notScaleImage {
+    _notScaleImage = notScaleImage;
+    [TZImagePickerConfig sharedInstance].notScaleImage = notScaleImage;
+}
+
 - (void)observeAuthrizationStatusChange {
     [_timer invalidate];
     _timer = nil;

TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m

@@ -386,7 +386,9 @@ static CGFloat itemMargin = 5;
             [[TZImageManager manager] getPhotoWithAsset:model.asset completion:^(UIImage *photo, NSDictionary *info, BOOL isDegraded) {
                 if (isDegraded) return;
                 if (photo) {
-                    photo = [[TZImageManager manager] scaleImage:photo toSize:CGSizeMake(tzImagePickerVc.photoWidth, (int)(tzImagePickerVc.photoWidth * photo.size.height / photo.size.width))];
+                    if (![TZImagePickerConfig sharedInstance].notScaleImage) {
+                        photo = [[TZImageManager manager] scaleImage:photo toSize:CGSizeMake(tzImagePickerVc.photoWidth, (int)(tzImagePickerVc.photoWidth * photo.size.height / photo.size.width))];
+                    }
                     [photos replaceObjectAtIndex:i withObject:photo];
                 }
                 if (info)  [infoArr replaceObjectAtIndex:i withObject:info];