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Change the default limit bytes 60MB on iOS/tvOS, 90MB on macOS, 30MB on watchOS

This commit is contained in:
DreamPiggy 2020-01-06 19:06:49 +08:00
parent 9e5ef8c0e9
commit 03e63ede25
3 changed files with 9 additions and 3 deletions
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2
SDWebImage/Core/SDImageCoderHelper.h
View File

@ -91,7 +91,7 @@
/**
Control the default limit bytes to scale down larget images.
This value must be larger than or equal to 1MB. Defaults to 60MB.
This value must be larger than or equal to 1MB. Defaults to 60MB on iOS/tvOS, 90MB on macOS, 30MB on watchOS.
*/
@property (class, readwrite) NSUInteger defaultScaleDownLimitBytes;

6
SDWebImage/Core/SDImageCoderHelper.m
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@ -26,7 +26,13 @@ static const CGFloat kPixelsPerMB = kBytesPerMB / kBytesPerPixel;
* Suggested value for iPad2 and iPhone 4: 120.
* Suggested value for iPhone 3G and iPod 2 and earlier devices: 30.
*/
#if SD_MAC
static CGFloat kDestImageLimitBytes = 90.f * kBytesPerMB;
#elif SD_UIKIT
static CGFloat kDestImageLimitBytes = 60.f * kBytesPerMB;
#elif SD_WATCH
static CGFloat kDestImageLimitBytes = 30.f * kBytesPerMB;
#endif
static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to overlap the seems where tiles meet.

4
SDWebImage/Core/SDWebImageDefine.h
View File

@ -124,8 +124,8 @@ typedef NS_OPTIONS(NSUInteger, SDWebImageOptions) {
/**
* By default, images are decoded respecting their original size.
* This flag will scale down the images to a size compatible with the constrained memory of devices.
* To control the limit memory bytes, check `SDImageCoderHelper.defaultScaleDownLimitBytes` (Defaults to 60MB)
* This will actually translate to use context option `.imageThumbnailPixelSize` from v5.5.0 (Defaults to (3966, 3966)). Previously does not.
* To control the limit memory bytes, check `SDImageCoderHelper.defaultScaleDownLimitBytes` (Defaults to 60MB on iOS)
* This will actually translate to use context option `.imageThumbnailPixelSize` from v5.5.0 (Defaults to (3966, 3966) on iOS). Previously does not.
* This flags effect the progressive and animated images as well from v5.5.0. Previously does not.
* @note If you need detail controls, it's better to use context option `imageThumbnailPixelSize` and `imagePreserveAspectRatio` instead.
*/