YH_ImageSliceService.m
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//
// YH_ImageSliceService.m
// Yohoboys
//
// Created by redding on 14-10-9.
// Copyright (c) 2014年 YOHO. All rights reserved.
//
// 七牛切图接口指南 http://developer.qiniu.com/docs/v6/api/reference/fop/image/imagemogr2.html
#import "YH_ImageSliceService.h"
#import "Macros.h"
//#import "YH_Global.h"
//kImageMogr2Template
static NSString * const kJpgMogr2Template = @"?imageMogr2/auto-orient/thumbnail/%@/gravity/North/crop/%ldx%ld";
static NSString * const kImageFixedHeightTemplate = @"x%ld";
static NSString * const kImageFixedWidthTemplate = @"%ldx";
static NSInteger const kScaleFor6p = 3;
static NSInteger const kScaleFor456 = 2;
@implementation YH_ImageSliceService
+ (NSURL *)sliceImageURL:(NSURL *)originURL sliceType:(YH_ImageURLSliceType)sliceType originSize:(CGSize)originSize toSize:(CGSize)toSize {
// if (originURL != nil) {
// NSString *originURLString = [originURL absoluteString];
// if ([YH_ImageSliceService isHaveImageSlice:originURLString]) {
// return originURL;
// }
//
// }
// NSString *sliceString = nil;
// NSString *sizeString = nil;
// CGFloat scale = [[UIScreen mainScreen] scale];
// NSString *kImageMogr2Template = @"";
// switch (sliceType) {
// case YH_ImageURLSliceTypeList:{
// //列表的图片在各分辨率下的屏幕尺寸：iPhone6以下 - 290 185; iPhone6 - 345 221; iPhone6 Plus - 384 245
// //对应的图片实际大小 ：iPhone6以下 - 580 370; iPhone6 - 690 442; iPhone6 Plus - 1152 735
// kImageMogr2Template = kJpgMogr2Template;
// if (originSize.width > originSize.height) {
// if (IS_IPHONE_6P) {
//
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, (long)YH_ListImageSizeiPhone6PHeight * kScaleFor6p];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeiPhone6PWidth * kScaleFor6p), (NSInteger)(YH_ListImageSizeiPhone6PHeight * kScaleFor6p)];
// } else if (IS_IPHONE_6) {
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, (long)YH_ListImageSizeiPhone6Height * kScaleFor456];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeiPhone6Width * kScaleFor456), (NSInteger)(YH_ListImageSizeiPhone6Height * kScaleFor456)];
// } else {
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, (long)YH_ListImageSizeBeforeiPhone6Height * kScaleFor456];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeBeforeiPhone6Width * kScaleFor456), (NSInteger)(YH_ListImageSizeBeforeiPhone6Height * kScaleFor456)];
// }
// } else {
// if (IS_IPHONE_6P) {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, (long)YH_ListImageSizeiPhone6PWidth * kScaleFor6p];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeiPhone6PWidth * kScaleFor6p), (NSInteger)(YH_ListImageSizeiPhone6PHeight * kScaleFor6p)];
// } else if (IS_IPHONE_6) {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, (long)YH_ListImageSizeiPhone6Width * kScaleFor456];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeiPhone6Width * kScaleFor456), (NSInteger)(YH_ListImageSizeiPhone6Height * kScaleFor456)];
// } else {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, (long)YH_ListImageSizeBeforeiPhone6Width * kScaleFor456];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeBeforeiPhone6Width * kScaleFor456), (NSInteger)(YH_ListImageSizeBeforeiPhone6Height * kScaleFor456)];
// }
// }
//
//
// }
// break;
// case YH_ImageURLSliceTypeRuleDetail:{
// kImageMogr2Template = @"?imageMogr2/thumbnail/%@/gravity/North/crop/%ldx";
// if (originSize.width > originSize.height) {
//
// sizeString = [NSString stringWithFormat:@"%ldx",(long)(SCREEN_WIDTH * scale)];
//
// } else {
//
// sizeString = [NSString stringWithFormat:@"x%ld",(long)(SCREEN_HEIGHT * scale)];
//
// }
//
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (long)(SCREEN_WIDTH * scale)];
// }
// break;
//
// case YH_ImageURLSliceTypeDetailTop:{
// kImageMogr2Template = @"?imageView2/2/w/%ld/h/%ld";
//
// CGFloat width = SCREEN_WIDTH;
// CGFloat height = width * ((CGFloat)YH_ContentImageSizeBeforeiPhone6Height / YH_ContentImageSizeBeforeiPhone6Width);
// sliceString = [NSString stringWithFormat:kImageMogr2Template, (long)(width * scale), (long)(height * scale)];
//
// }
// break;
//
// case YH_ImageURLSliceTypeRelatedPost:{
// if (originSize.width > originSize.height) {
// if (IS_IPHONE_6P) {
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, (long)YH_RelatedPostImageSizeHeight * 3];
// } else {
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, (long)YH_RelatedPostImageSizeHeight * 2];
// }
// } else {
// if (IS_IPHONE_6P) {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, (long)YH_RelatedPostImageSizeWidth * 3];
// } else {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, (long)YH_RelatedPostImageSizeWidth * 2];
// }
// }
//
// sliceString = [NSString stringWithFormat:kJpgMogr2Template, sizeString, (long)(YH_RelatedPostImageSizeWidth * scale), (long)(YH_RelatedPostImageSizeHeight * scale)];
//
// }
// break;
//
// case YH_ImageURLSliceTypeCalendar:{
// sliceString = [NSString stringWithFormat:@"?imageMogr2"];
//
// if (originSize.width > originSize.height) {
// sliceString = [sliceString stringByAppendingFormat:@"/thumbnail/x%d/gravity/North/crop/%dx%d", (int)(toSize.height * scale),(int)(toSize.width * scale), (int)(toSize.height * scale)];
// } else {
// sliceString = [sliceString stringByAppendingFormat:@"/thumbnail/%dx/gravity/North/crop/%dx%d", (int)(toSize.width * scale),(int)(toSize.width * scale), (int)(toSize.height * scale)];
// }
//
//
// }
// break;
//
// default:
// break;
// }
//
// /*
// 如果是gif图片，转换成gif格式
// 否则转换为jpg格式
// */
// //WWAN情况下，渐进显示图片
// if ([[AFNetworkReachabilityManager sharedManager] isReachableViaWWAN]) {
// sliceString = [sliceString stringByAppendingString:@"/interlace/1"];
//
// }
//
// if ([YH_ImageSliceService isJPGImage:[originURL absoluteString]]) {
// sliceString = [YH_ImageSliceService transformImageURL:sliceString];
// }
// return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
return nil;
}
//列表的图片在各分辨率下的屏幕尺寸：iPhone6以下 - 290 185; iPhone6 - 345 221; iPhone6 Plus - 384 245
//对应的图片实际大小 ：iPhone6以下 - 580 370; iPhone6 - 690 442; iPhone6 Plus - 1152 735
//+ (NSURL *)listImageSliceSize:(CGSize)size originURL:(NSURL *)originURL
//{
// // CGFloat scale = [[UIScreen mainScreen] scale];
// NSString *sliceString;
// NSString *sizeString;
// NSString *kImageMogr2Template = @"";
// NSString *imageExt = [originURL.pathExtension lowercaseString];
//
//
// static NSString * const kPNGMogr2Template = @"?imageMogr2/thumbnail/%@/gravity/North/crop/%dx%d/format/png";
//
// if ([imageExt isEqualToString:@"png"]) {
// kImageMogr2Template = kPNGMogr2Template;
// } else if([imageExt isEqualToString:@"jpg"]) {
//#ifdef SD_WEBP
// kImageMogr2Template = kJpgMogr2Template;
//#else
// kImageMogr2Template = @"?imageMogr2/thumbnail/%@/gravity/North/crop/%dx%d/format/jpg";
//#endif
// } else {
// kImageMogr2Template = kGifMogr2Template;
// }
// if (size.width > size.height) {
// if (IS_IPHONE_6P) {
//
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, YH_ListImageSizeiPhone6PHeight * kScaleFor6p];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeiPhone6PWidth * kScaleFor6p), (NSInteger)(YH_ListImageSizeiPhone6PHeight * kScaleFor6p)];
// } else if (IS_IPHONE_6) {
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, YH_ListImageSizeiPhone6Height * kScaleFor456];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeiPhone6Width * kScaleFor456), (NSInteger)(YH_ListImageSizeiPhone6Height * kScaleFor456)];
// } else {
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, YH_ListImageSizeBeforeiPhone6Height * kScaleFor456];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeBeforeiPhone6Width * kScaleFor456), (NSInteger)(YH_ListImageSizeBeforeiPhone6Height * kScaleFor456)];
// }
// } else {
// if (IS_IPHONE_6P) {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, YH_ListImageSizeiPhone6PWidth * kScaleFor6p];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeiPhone6PWidth * kScaleFor6p), (NSInteger)(YH_ListImageSizeiPhone6PHeight * kScaleFor6p)];
// } else if (IS_IPHONE_6) {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, YH_ListImageSizeiPhone6Width * kScaleFor456];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeiPhone6Width * kScaleFor456), (NSInteger)(YH_ListImageSizeiPhone6Height * kScaleFor456)];
// } else {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, YH_ListImageSizeBeforeiPhone6Width * kScaleFor456];
// sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_ListImageSizeBeforeiPhone6Width * kScaleFor456), (NSInteger)(YH_ListImageSizeBeforeiPhone6Height * kScaleFor456)];
// }
// }
//
// //WWAN情况下，渐进显示图片
// if ([[AFNetworkReachabilityManager sharedManager] isReachableViaWWAN]) {
// sliceString = [sliceString stringByAppendingString:@"/interlace/1"];
// }
//
// NSLog(@"list size is %@", NSStringFromCGSize(size));
// NSLog(@"list string is %@", [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL]);
//
// return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
//}
//+ (NSURL *)detailTopImageSlice:(NSURL *)originURL
//{
// CGFloat scale = [[UIScreen mainScreen] scale];
// CGFloat width = SCREEN_WIDTH;
// CGFloat height = width * ((CGFloat)YH_ContentImageSizeBeforeiPhone6Height / YH_ContentImageSizeBeforeiPhone6Width);
// NSString *sliceString = [NSString stringWithFormat:@"?imageView2/2/w/%ld/h/%ld", (long)(width * scale), (long)(height * scale)];
// NSString *imageExt = [originURL.pathExtension lowercaseString];
// if ([imageExt isEqualToString:@"png"] || [imageExt isEqualToString:@"bmp"]) {
// sliceString = [sliceString stringByAppendingString:@"/format/png"];
// } else if ([imageExt isEqualToString:@"jpg"]) {
//#ifdef SD_WEBP
// sliceString = [sliceString stringByAppendingString:@"/format/webp"];
//#else
// sliceString = [sliceString stringByAppendingString:@"/format/jpg"];
//#endif
// }
//
// NSString *URLString = [[originURL absoluteString] stringByAppendingString:sliceString];
// NSLog(@"detail top image url is %@", [NSURL URLWithString:[URLString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]);
// return [NSURL URLWithString:[URLString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
//// return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
//}
//列表的图片在各分辨率下的屏幕尺寸：iPhone6以下 - 96 61; iPhone6 - 96 61; iPhone6 Plus - 96 61
//对应的图片实际大小 ：iPhone6以下 - 192 122; iPhone6 - 192 122; iPhone6 Plus - 288 183
//+ (NSURL *)relatedPostImageSliceSize:(CGSize)size originURL:(NSURL *)originURL
//{
// CGFloat scale = [[UIScreen mainScreen] scale];
// NSString *sizeString;
// if (size.width > size.height) {
// if (IS_IPHONE_6P) {
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, YH_RelatedPostImageSizeHeight * 3];
// } else {
// sizeString = [NSString stringWithFormat:kImageFixedHeightTemplate, YH_RelatedPostImageSizeHeight * 2];
// }
// } else {
// if (IS_IPHONE_6P) {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, YH_RelatedPostImageSizeWidth * 3];
// } else {
// sizeString = [NSString stringWithFormat:kImageFixedWidthTemplate, YH_RelatedPostImageSizeWidth * 2];
// }
// }
//
// static NSString * const kPNGMogr2Template = @"?imageMogr2/thumbnail/%@/gravity/North/crop/%dx%d/format/png";
//
// NSString *kImageMogr2Template = @"";
// NSString *imageExt = [originURL.pathExtension lowercaseString];
// if([imageExt isEqualToString:@"gif"]){
// kImageMogr2Template = kGifMogr2Template;
// } else if ([imageExt isEqualToString:@"jpg"]) {
// kImageMogr2Template = kJpgMogr2Template;
// } else {
// kImageMogr2Template = kPNGMogr2Template;
// }
//
// NSString *sliceString = [NSString stringWithFormat:kImageMogr2Template, sizeString, (NSInteger)(YH_RelatedPostImageSizeWidth * scale), (NSInteger)(YH_RelatedPostImageSizeHeight * scale)];
//
// //WWAN情况下，渐进显示图片
// if ([[AFNetworkReachabilityManager sharedManager] isReachableViaWWAN]) {
// sliceString = [sliceString stringByAppendingString:@"/interlace/1"];
//
// }
//
// NSLog(@"related post size %@", NSStringFromCGSize(size));
// NSLog(@"related post string is %@", [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL]);
//
// return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
//}
+ (NSURL *)imageSliceSize:(CGSize)size originURL:(NSURL *)originURL
{
BOOL isSlice = NO;
NSString *sliceString = [NSString stringWithFormat:@"?imageMogr2/auto-orient"];
CGFloat scale = [[UIScreen mainScreen] scale];
NSString *imageExt = [originURL.pathExtension lowercaseString];
//gif图用1.0f
if ([imageExt isEqualToString:@"gif"]) {
scale = 1.0f;
//2014年11月7号之后的gif图，直接用原始URL
if ([YH_ImageSliceService shouldUseOriginURL:originURL]) {
return originURL;
}
}
if (size.width && size.height) {
isSlice = YES;
sliceString = [sliceString stringByAppendingFormat:@"/thumbnail/%dx%d", (int)(size.width * scale), (int)(size.height * scale)];
}
else if (size.height == 0 && size.width) {
isSlice = YES;
sliceString = [sliceString stringByAppendingFormat:@"/thumbnail/%dx", (int)(size.width * scale)];
}
else if (size.width == 0 && size.height) {
isSlice = YES;
sliceString = [sliceString stringByAppendingFormat:@"/thumbnail/x%d", (int)(size.height * scale)];
}
//转换为jpg格式，进一步压缩图片大小
if ([imageExt isEqualToString:@"png"] || [imageExt isEqualToString:@"bmp"]) {
isSlice = YES;
sliceString = [sliceString stringByAppendingString:@"/format/png"];
} else if ([imageExt isEqualToString:@"jpg"]) {
isSlice = YES;
#ifdef SD_WEBP
sliceString = [sliceString stringByAppendingString:@"/format/webp"];
#else
sliceString = [sliceString stringByAppendingString:@"/format/jpg"];
#endif
}
//WWAN情况下，渐进显示图片
if ([[AFNetworkReachabilityManager sharedManager] isReachableViaWWAN]) {
isSlice = YES;
sliceString = [sliceString stringByAppendingString:@"/interlace/1"];
}
if (isSlice) {
return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
}
else {
return originURL;
}
}
//+ (NSURL *)calendarImageSliceToSize:(CGSize)toSize originImageSize:(CGSize)imageSize originURL:(NSURL *)originURL
//{
// BOOL isSlice = NO;
// NSString *sliceString = [NSString stringWithFormat:@"?imageMogr2"];
// CGFloat scale = [[UIScreen mainScreen] scale];
// NSString *imageExt = [originURL.pathExtension lowercaseString];
//
// if (toSize.width && toSize.height) {
// isSlice = YES;
// if (imageSize.width > imageSize.height) {
// sliceString = [sliceString stringByAppendingFormat:@"/thumbnail/x%d/gravity/North/crop/%dx%d", (int)(toSize.height * scale),(int)(toSize.width * scale), (int)(toSize.height * scale)];
// } else {
// sliceString = [sliceString stringByAppendingFormat:@"/thumbnail/%dx/gravity/North/crop/%dx%d", (int)(toSize.width * scale),(int)(toSize.width * scale), (int)(toSize.height * scale)];
// }
//
// }
//
// //转换为jpg格式，进一步压缩图片大小
// if ([imageExt isEqualToString:@"png"] || [imageExt isEqualToString:@"bmp"]) {
// isSlice = YES;
// sliceString = [sliceString stringByAppendingString:@"/format/png"];
// } else if ([imageExt isEqualToString:@"jpg"]) {
// isSlice = YES;
//#ifdef SD_WEBP
// sliceString = [sliceString stringByAppendingString:@"/format/webp"];
//#else
// sliceString = [sliceString stringByAppendingString:@"/format/jpg"];
//#endif
// }
//
// //WWAN情况下，渐进显示图片
// if ([[AFNetworkReachabilityManager sharedManager] isReachableViaWWAN]) {
// isSlice = YES;
// sliceString = [sliceString stringByAppendingString:@"/interlace/1"];
// }
//
// if (isSlice) {
// return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
// } else {
// return originURL;
// }
//}
+ (CGSize)calculateImageSizeWithImageWidth:(NSInteger)imageWidth imageHeight:(NSInteger)imageHeight
{
if (imageWidth == 0 || imageHeight == 0) {
return CGSizeZero;
}
//图片高度(等比缩放)
CGFloat proportion = (CGFloat)imageWidth / (CGFloat)imageHeight;
CGFloat calWidth = imageWidth > SCREEN_WIDTH ? SCREEN_WIDTH : imageWidth;
CGFloat calHeight = calWidth / proportion;
calWidth = ceilf(calWidth);
calHeight = ceilf(calHeight);
return CGSizeMake(calWidth, calHeight);
}
+ (NSURL *)photoKindSliceURL:(NSURL *)originURL
{
if (!originURL) {
return originURL;
}
CGFloat scale = [[UIScreen mainScreen] scale];
NSString *sliceString = [NSString stringWithFormat:@"?imageMogr2"];
sliceString = [sliceString stringByAppendingFormat:@"?imageMogr2/thumbnail/%ldx%ld%%3E", (long)(SCREEN_WIDTH * scale),(long)(SCREEN_HEIGHT * scale)];
//转换为jpg格式，进一步压缩图片大小
NSString *imageExt = [originURL.pathExtension lowercaseString];
if ([imageExt isEqualToString:@"png"] || [imageExt isEqualToString:@"bmp"]) {
sliceString = [sliceString stringByAppendingString:@"/format/png"];
} else if ([imageExt isEqualToString:@"jpg"]) {
#ifdef SD_WEBP
sliceString = [sliceString stringByAppendingString:@"/format/webp"];
#else
sliceString = [sliceString stringByAppendingString:@"/format/jpg"];
#endif
}
sliceString = [sliceString stringByAppendingString:@"/interlace/1"];
return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
}
+ (NSURL *)rulesImageSliceSize:(CGSize)size originURL:(NSURL *)originURL
{
CGFloat scale = [[UIScreen mainScreen] scale];
NSString *sizeString;
if (size.width > size.height) {
sizeString = [NSString stringWithFormat:@"%ldx",(long)(SCREEN_WIDTH * scale)];
} else {
sizeString = [NSString stringWithFormat:@"x%ld",(long)(SCREEN_HEIGHT * scale)];
}
NSString *sliceString = [NSString stringWithFormat:@"?imageMogr2/thumbnail/%@/gravity/North/crop/%ldx", sizeString, (long)(SCREEN_WIDTH * scale)];
/*
如果是gif图片，转换成gif格式
否则转换为jpg格式
*/
//WWAN情况下，渐进显示图片
if ([[AFNetworkReachabilityManager sharedManager] isReachableViaWWAN]) {
sliceString = [sliceString stringByAppendingString:@"/interlace/1"];
}
NSLog(@"rules image url is %@", [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL]);
return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
}
+ (BOOL)shouldUseOriginURL:(NSURL *)url
{
// NSLog(@"================================================");
// NSLog(@"URL: %@", url);
// NSLog(@"Scheme: %@", [url scheme]);
// NSLog(@"Host: %@", [url host]);
// NSLog(@"Port: %@", [url port]);
// NSLog(@"Path: %@", [url path]);
// NSLog(@"Relative path: %@", [url relativePath]);
// NSLog(@"Path components as array: %@", [url pathComponents]);
// NSLog(@"Parameter string: %@", [url parameterString]);
// NSLog(@"Query: %@", [url query]);
// NSLog(@"Fragment: %@", [url fragment]);
// NSLog(@"================================================");
NSInteger count = [[url pathComponents] count];
if (count < 5) {
return NO;
}
//通过NSCALENDAR类来创建日期
NSDateComponents *comp = [[NSDateComponents alloc]init];
[comp setYear:2014];
[comp setMonth:11];
[comp setDay:07];
NSCalendar *myCal = [[NSCalendar alloc]initWithCalendarIdentifier:NSGregorianCalendar];
NSDate *myDate = [myCal dateFromComponents:comp];
NSInteger year = [[[url pathComponents] objectAtIndex:count - 5] integerValue];
NSInteger month = [[[url pathComponents] objectAtIndex:count - 4] integerValue];
NSInteger day = [[[url pathComponents] objectAtIndex:count - 3] integerValue];
[comp setYear:year];
[comp setMonth:month];
[comp setDay:day];
NSDate *urlDate = [myCal dateFromComponents:comp];
if ([urlDate compare:myDate] == NSOrderedAscending) {
return NO;
}
return YES;
}
+ (NSURL *)imageURL:(NSURL *)imageURL sliceToMaxWidth:(NSInteger)maxWidth
{
if (!imageURL || maxWidth <= 0) {
return imageURL;
}
NSString *sliceString = [NSString stringWithFormat:@"?imageMogr2"];
CGFloat scale = 1;//[[UIScreen mainScreen] scale];
NSString *imageExt = [imageURL.pathExtension lowercaseString];
sliceString = [sliceString stringByAppendingFormat:@"/thumbnail/%ldx", (long)(maxWidth * scale)];
//转换为jpg格式，进一步压缩图片大小
if ([imageExt isEqualToString:@"png"] || [imageExt isEqualToString:@"bmp"]) {
sliceString = [sliceString stringByAppendingString:@"/format/png"];
} else if ([imageExt isEqualToString:@"jpg"]) {
#ifdef SD_WEBP
sliceString = [sliceString stringByAppendingString:@"/format/webp"];
#else
sliceString = [sliceString stringByAppendingString:@"/format/jpg"];
#endif
}
sliceString = [sliceString stringByAppendingString:@"/interlace/1"];
NSURL *URL = [[NSURL URLWithString:sliceString relativeToURL:imageURL] absoluteURL];
return URL;
}
+ (NSURL *)sliceToFitWidh:(CGSize)size originURL:(NSURL *)originURL
{
NSMutableString *sliceString = [[NSMutableString alloc] init];
CGFloat scale = [[UIScreen mainScreen] scale];
[sliceString appendFormat:@"?imageMogr2/thumbnail/%.0fx",size.width *scale];
[sliceString appendFormat:@"/gravity/North/crop/%.0fx%.0f",size.width *scale,size.height *scale];
//转换为jpg格式，进一步压缩图片大小
NSString *imageExt = [originURL.pathExtension lowercaseString];
if ([imageExt isEqualToString:@"png"] || [imageExt isEqualToString:@"bmp"]) {
[sliceString appendString:@"/format/png"];
} else if ([imageExt isEqualToString:@"jpg"]) {
#ifdef SD_WEBP
[sliceString appendString:@"/format/webp"];
#else
[sliceString appendString:@"/format/jpg"];
#endif
}
[sliceString appendString:@"/interlace/1"];
NSURL *URL = [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
return URL;
}
//+ (NSURL *)sliceContentDetailImageURL:(NSURL *)originURL
//{
// NSString *sliceString = [NSString stringWithFormat:@"?imageMogr2"];
// NSString *imageExt = [originURL.pathExtension lowercaseString];
// if ([imageExt isEqualToString:@"png"] || [imageExt isEqualToString:@"bmp"]) {
// sliceString = [sliceString stringByAppendingString:@"/format/png"];
// } else if ([imageExt isEqualToString:@"jpg"]) {
//#ifdef SD_WEBP
// sliceString = [sliceString stringByAppendingString:@"/format/webp"];
//#else
// sliceString = [sliceString stringByAppendingString:@"/format/jpg"];
//#endif
// }
// NSLog(@"content detail image urls slice string %@", [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL]);
// return [[NSURL URLWithString:sliceString relativeToURL:originURL] absoluteURL];
//}
+ (NSString *)transformImageURL:(NSString *)imageURL
{
//判断是否存在指定参数
#ifdef SD_WEBP
if ([[YH_Global sharedInstance] imageFormatType] == YH_ImageFormatWebp){
if ([imageURL rangeOfString:@"/format/"].location == NSNotFound) {
imageURL = [imageURL stringByAppendingString:@"/format/WEBP"];
}
}
#endif
return imageURL;
}
#pragma mark - private
+ (BOOL)isHaveImageSlice:(NSString *)imageURLStr
{
// 是否带切图指令
if ([imageURLStr rangeOfString:@"?imageView"].location != NSNotFound
|| [imageURLStr rangeOfString:@"?imageMogr"].location != NSNotFound) {
return YES;
}
return NO;
}
+ (BOOL)isJPGImage:(NSString *)imageURLStr
{
return [imageURLStr rangeOfString:@".jpg" options:NSCaseInsensitiveSearch].location != NSNotFound;
}
@end