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//
// UILabel+SizeCalculate.m
//
//
// Created by Xummer on 14-2-19.
// Copyright (c) 2014年 Xummer. All rights reserved.
//
#import "UILabel+SizeCalculate.h"
@implementation UILabel (SizeCalculate)
+ (CGSize)getSizeWithText:(NSString *)text font:(UIFont *)font andSize:(CGSize)size {
CGSize expectedLabelSize = CGSizeZero;
if (!font || !text ) {
return expectedLabelSize;
}
if (IBT_IOS7_OR_LATER) {
NSDictionary *stringAttributes = @{ NSFontAttributeName : font };
expectedLabelSize =
[text boundingRectWithSize:size
options:NSStringDrawingTruncatesLastVisibleLine|NSStringDrawingUsesLineFragmentOrigin
attributes:stringAttributes
context:nil].size;
}
else {
expectedLabelSize =
[text sizeWithFont:font
constrainedToSize:size
lineBreakMode:NSLineBreakByWordWrapping];
}
return expectedLabelSize;
}
+ (CGSize)getSizeWithText:(NSString *)text font:(UIFont *)font andWidth:(CGFloat)width {
return [[self class] getSizeWithText:text
font:font
andSize:CGSizeMake(width, MAXFLOAT)];
}
+ (CGFloat)getWidthWithText:(NSString *)text font:(UIFont *)font andHeight:(CGFloat)height {
CGSize expectedLabelSize = CGSizeZero;
if (IBT_IOS7_OR_LATER) {
NSDictionary *stringAttributes = @{ NSFontAttributeName : font };
expectedLabelSize =
[text boundingRectWithSize:CGSizeMake(MAXFLOAT, height)
options:NSStringDrawingTruncatesLastVisibleLine|NSStringDrawingUsesLineFragmentOrigin
attributes:stringAttributes
context:nil].size;
}
else {
expectedLabelSize =
[text sizeWithFont:font
constrainedToSize:CGSizeMake(MAXFLOAT, height)
lineBreakMode:NSLineBreakByWordWrapping];
}
return ceil(expectedLabelSize.width);
}
+ (CGFloat)getLabelWidth:(UILabel *)label {
return [[self class] getWidthWithText:label.text
font:label.font
andHeight:CGRectGetHeight(label.frame)];
}
+ (CGFloat)getLabelHeight:(UILabel *)label {
return [[self class] getHeightWithText:label.text
font:label.font
andWidth:label.frame.size.width];
}
+ (CGSize)getLabelSize:(UILabel *)label {
return [[self class] getSizeWithText:label.text
font:label.font
andWidth:CGRectGetWidth(label.frame)];
}
+ (CGFloat)getHeightWithText:(NSString *)text font:(UIFont *)font andWidth:(CGFloat)width {
return ceil([[self class] getSizeWithText:text
font:font
andWidth:width].height);
}
- (CGFloat)calculateWidth {
return [[self class] getLabelWidth:self];
}
- (CGFloat)calculateHeight {
return [[self class] getLabelHeight:self];
}
- (CGSize)calculateSize {
return [[self class] getLabelSize:self];
}
@end