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2017-08-15 16:59:01 +08:00
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+//
+//  KTPhotoBrowserDataSource.h
+//  KTPhotoBrowser
+//
+//  Created by Kirby Turner on 2/7/10.
+//  Copyright 2010 White Peak Software Inc. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@class KTPhotoView;
+@class KTThumbView;
+
+@protocol KTPhotoBrowserDataSource <NSObject>
+@required
+- (NSInteger)numberOfPhotos;
+
+@optional
+
+// Implement either these, for synchronous images…
+- (UIImage *)imageAtIndex:(NSInteger)index;
+- (UIImage *)thumbImageAtIndex:(NSInteger)index;
+
+// …or these, for asynchronous images.
+- (void)imageAtIndex:(NSInteger)index photoView:(KTPhotoView *)photoView;
+- (void)thumbImageAtIndex:(NSInteger)index thumbView:(KTThumbView *)thumbView;
+
+- (void)deleteImageAtIndex:(NSInteger)index;
+- (void)exportImageAtIndex:(NSInteger)index;
+
+- (CGSize)thumbSize;
+- (NSInteger)thumbsPerRow;
+- (BOOL)thumbsHaveBorder;
+- (UIColor *)imageBackgroundColor;
+
+@end