Label _ set the line spacing, word spacing, and calculate the label height with line spacing. The line spacing label

Label _ set the line spacing, word spacing, and calculate the label height with line spacing. The line spacing label

//

// ViewController. m

// CNBlogs

//

// Created by PXJ on 16/5/27.

// Copyright©2016 PXJ. All rights reserved.

//

 

# Import "ViewController. h"

 

@ Interface ViewController ()

 

@ End

 

@ Implementation ViewController

 

-(Void) viewDidLoad {

[Super viewDidLoad];

NSString * conText = @ "\ n your mouth is slightly tilted, sexy, hopeless \ n you can't imagine such a heartbeat, everything you want \ n soft drinks, rising bubbles, I will be right for you I like to drink a whole bottle. \ n there is no shortage here. You are excited to hug. \ n candle fire is burning. There is a certain sentiment. Your eyes are scorched for a few seconds. \ n you are lazy twisting about your dance. the waist is unbearable \ n you smile with the wind \ n the smell of rosemary with a mint-flavored coquetry sent a sign of love to me \ n your elegance is like a cat movements light around the sweetness of love is spreading, and it's just \ n. Soft Drinks are rising. I will drink all your preferences in a bottle \ n. The best thing you can do here is to stir up your emotions and give it a hug. \ n candle fire burning has a certain sentiment eyes lost for a few seconds \ n about your dance you're lazy twisting waist can't stand \ n you are flying with the wind smile with the smell of rosemary band mint-flavored coquetry sends out a sign of love to me \ n your elegant action is as simple as a cat, spread around the sweetness of love, and it's just \ n ";

UIFont * font = [UIFont systemFontOfSize: 12]; // font size

CGFloat lineSpace = 8; // row spacing

CGFloat paragraphSpacing = 0; // segment spacing

CGSize labSize = CGSizeMake (400,100 0); // label width and height

NSNumber * textLengthSpace = @ 0.2; // word spacing

NSDictionary * dic = [self setTextLineSpaceWithString: conText withFont: font withLineSpace: lineSpace withTextlengthSpace: textLengthSpace paragrapheat acing: paragrapheat acing];

CGSize size = [conText boundingRectWithSize: labSize options: NSStringDrawingUsesLineFragmentOrigin attributes: dic context: nil]. size;

CGFloat sizeHeight = size. height; // lab height

 

// CGFloat sizeHeight = [self getSpaceLabelHeight: conText withFont: font withLineSpace: lineSpace size: labSize textlengthSpace: textLengthSpace paragrapheat acing: paragrapheat acing];

//

UILabel * lab = [[UILabel alloc] init];

Lab. numberOfLines = 0;

Lab. backgroundColor = [UIColor yellowColor];

Lab. frame = CGRectMake (20, 20, 400, sizeHeight );

Lab. attributedText = [[NSAttributedString alloc] initWithString: conText attributes: dic];

[Self. view addSubview: lab];

}

 

/*

* Set row spacing and word spacing for UILabel

*/

-(NSDictionary *) syntax :( NSString *) str withFont :( UIFont *) font withLineSpace :( CGFloat) lineSpace usage :( NSNumber *) textlengthSpace paragrapheat acing :( CGFloat) paragrapheat acing {

NSMutableParagraphStyle * paraStyle = [[NSMutableParagraphStyle alloc] init];

ParaStyle. lineBreakMode = NSLineBreakByCharWrapping;

ParaStyle. alignment = NSTextAlignmentLeft;

ParaStyle. lineSpacing = lineSpace; // you can specify the line spacing.

ParaStyle. hyphenationFactor = 1.0;

ParaStyle. firstLineHeadIndent = 0.0;

ParaStyle. paragraphSpacingBefore = 0.0;

ParaStyle. headIndent = 0;

ParaStyle. tailIndent = 0;

NSDictionary * dic =@{ NSFontAttributeName: font,

NSParagraphStyleAttributeName: paraStyle,

NSKernAttributeName: textlengthSpace

};

Return dic;

}

 

/*

* Calculate the UILabel height (with row spacing)

*/

 

 

// (CGFloat) returns :( NSString *) str withFont :( UIFont *) font withLineSpace :( CGFloat) lineSpace size :( CGSize) textSize textlengthSpace :( NSNumber *) textlengthSpace returns :( CGFloat) returns

//{

//

//

// NSMutableParagraphStyle * paraStyle = [[NSMutableParagraphStyle alloc] init];

// ParaStyle. lineBreakMode = NSLineBreakByCharWrapping;

// ParaStyle. alignment = NSTextAlignmentLeft;

// ParaStyle. lineSpacing = lineSpace;

// ParaStyle. paragrapheat acing = paragrapheat acing;

// ParaStyle. hyphenationFactor = 1.0;

// ParaStyle. firstLineHeadIndent = 0.0;

// ParaStyle. paragraphSpacingBefore = 0.0;

// ParaStyle. headIndent = 0;

// ParaStyle. tailIndent = 0;

// NSDictionary * dic =@{ NSFontAttributeName: font,

// NSParagraphStyleAttributeName: paraStyle,

// NSKernAttributeName: textlengthSpace

//};

// CGSize size = [str boundingRectWithSize: textSize options: NSStringDrawingUsesLineFragmentOrigin attributes: dic context: nil]. size;

// Return size. height;

//}

//

@ End