Build ChatListUI

submodules/LegacyComponents/Sources/TGVideoMessageScrubberThumbnailView.m

@@ -0,0 +1,90 @@
+#import "TGVideoMessageScrubberThumbnailView.h"
+
+#import "LegacyComponentsInternal.h"
+#import "TGImageUtils.h"
+
+#import <LegacyComponents/TGPhotoEditorUtils.h>
+
+@interface TGVideoMessageScrubberThumbnailView ()
+{
+    CGSize _originalSize;
+    CGRect _cropRect;
+    UIImageOrientation _cropOrientation;
+    bool _cropMirrored;
+    
+    UIImageView *_imageView;
+    UIView *_stripeView;
+}
+@end
+
+@implementation TGVideoMessageScrubberThumbnailView
+
+- (instancetype)initWithImage:(UIImage *)image
+{
+    self = [super initWithFrame:CGRectZero];
+    if (self != nil)
+    {
+        self.clipsToBounds = true;
+        
+        _imageView = [[UIImageView alloc] initWithFrame:CGRectZero];
+        _imageView.image = image;
+        [self addSubview:_imageView];
+        
+        _stripeView = [[UIView alloc] init];
+        _stripeView.backgroundColor = [UIColor colorWithWhite:0.0f alpha:0.3f];
+        [self addSubview:_stripeView];
+    }
+    return self;
+}
+
+- (instancetype)initWithImage:(UIImage *)image originalSize:(CGSize)originalSize cropRect:(CGRect)cropRect cropOrientation:(UIImageOrientation)cropOrientation cropMirrored:(bool)cropMirrored
+{
+    self = [self initWithImage:image];
+    if (self != nil)
+    {
+        _originalSize = originalSize;
+        _cropRect = cropRect;
+        _cropOrientation = cropOrientation;
+        _cropMirrored = cropMirrored;
+    }
+    return self;
+}
+
+- (void)setFrame:(CGRect)frame
+{
+    [super setFrame:frame];
+    
+    if (_imageView == nil)
+        return;
+    
+    CGAffineTransform transform = CGAffineTransformMakeRotation(TGRotationForOrientation(_cropOrientation));
+    if (_cropMirrored)
+        transform = CGAffineTransformScale(transform, -1.0f, 1.0f);
+    _imageView.transform = transform;
+    
+    CGRect cropRect = _cropRect;
+    CGSize originalSize = _originalSize;
+    
+    if (_cropOrientation == UIImageOrientationLeft)
+    {
+        cropRect = CGRectMake(cropRect.origin.y, originalSize.width - cropRect.size.width - cropRect.origin.x, cropRect.size.height, cropRect.size.width);
+        originalSize = CGSizeMake(originalSize.height, originalSize.width);
+    }
+    else if (_cropOrientation == UIImageOrientationRight)
+    {
+        cropRect = CGRectMake(originalSize.height - cropRect.size.height - cropRect.origin.y, cropRect.origin.x, cropRect.size.height, cropRect.size.width);
+        originalSize = CGSizeMake(originalSize.height, originalSize.width);
+    }
+    else if (_cropOrientation == UIImageOrientationDown)
+    {
+        cropRect = CGRectMake(originalSize.width - cropRect.size.width - cropRect.origin.x, originalSize.height - cropRect.size.height - cropRect.origin.y, cropRect.size.width, cropRect.size.height);
+    }
+    
+    CGFloat ratio = frame.size.width / cropRect.size.width;
+    _imageView.frame = CGRectMake(-cropRect.origin.x * ratio, -cropRect.origin.y * ratio, originalSize.width * ratio, originalSize.height * ratio);
+    
+    CGFloat thickness = 1.0f - TGRetinaPixel;
+    _stripeView.frame = CGRectMake(frame.size.width - thickness, 0, thickness, frame.size.height);
+}
+
+@end