mirror of
https://github.com/zhigang1992/PINRemoteImage.git
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0e81f77d16
* Have PINProgressiveImage pass back the quality of the current progressive image * fix * Check for nil for imageProgress pointer * Rename some variables * Rename a bunch of things * Update comment
47 lines
1.6 KiB
Objective-C
47 lines
1.6 KiB
Objective-C
//
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// PINProgressiveImage.h
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// Pods
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//
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// Created by Garrett Moon on 2/9/15.
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//
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//
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#import <Foundation/Foundation.h>
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#if PIN_TARGET_IOS
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#import <UIKit/UIKit.h>
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#elif PIN_TARGET_MAC
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#import <Cocoa/Cocoa.h>
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#endif
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#import "PINRemoteImageMacros.h"
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/** An object which store the data of a downloading image and vends progressive scans **/
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@interface PINProgressiveImage : NSObject
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@property (atomic, copy, nonnull) NSArray *progressThresholds;
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@property (atomic, assign) CFTimeInterval estimatedRemainingTimeThreshold;
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@property (atomic, assign) CFTimeInterval startTime;
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- (void)updateProgressiveImageWithData:(nonnull NSData *)data expectedNumberOfBytes:(int64_t)expectedNumberOfBytes;
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/**
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Returns the latest image based on thresholds, returns nil if no new image is generated
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@param blurred A boolean to indicate if the image should be blurred
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@param maxProgressiveRenderSize the maximum dimensions at which to apply a blur. If an image exceeds either the height
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or width of this dimension, the image will *not* be blurred regardless of the blurred parameter.
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@param renderedImageQuality Value between 0 and 1. Computed by dividing the received number of bytes by the expected number of bytes
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@return PINImage a progressive scan of the image or nil if a new one has not been generated
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*/
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- (nullable PINImage *)currentImageBlurred:(BOOL)blurred maxProgressiveRenderSize:(CGSize)maxProgressiveRenderSize renderedImageQuality:(nonnull out CGFloat *)renderedImageQuality;
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/**
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Returns the current data for the image.
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@return NSData the current data for the image
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*/
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- (nullable NSData *)data;
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@end
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