计算文本长度

 

//    CGSize maximumLabelSize = CGSizeMake(640 ,1024);

//    CGSize size = [[ComTool GetFileContent:@"test.txt"] sizeWithFont:[UIFont systemFontOfSize:22] 

// constrainedToSize:maximumLabelSize 

// lineBreakMode:UILineBreakModeWordWrap];

 

NSLog(@"%d,%f,%f",[[ComTool GetFileContent:@"test.txt"] length],size.height,size.width);

 

 

 

textname=[[MainLogic ShareMainLogic] Get_textname];

NSString *cardmode = [[NSString alloc] initWithContentsOfFile:

  [[NSBundle mainBundle] pathForResource:textname ofType:@"txt"]

encoding:CFStringConvertEncodingToNSStringEncoding (kCFStringEncodingGB_18030_2000)

error:nil];

//计算label的长度

CGSize maximumLabelSize = CGSizeMake(640 ,2000);//给出label的范围

size= [cardmode sizeWithFont:[UIFont systemFontOfSize:22] 

constrainedToSize:maximumLabelSize

lineBreakMode:UILineBreakModeWordWrap];//计算label的长度

NSLog(@"%d,%f,%f",[cardmode length],size.height,size.width);

_lbheight=size.height;

CCLabel *label=[CCLabel labelWithString:cardmode

dimensions:CGSizeMake(size.width, size.height+300)

  alignment:UITextAlignmentLeft

  fontName:@"HiraMinProN-W3" fontSize:22];

label.color = ccc3(250,0,0); 

[label setAnchorPoint:ccp(0,1)];

// label.position=ccp(0,560);

label.textureRect=CGRectMake(0,0,0,0);

[self addChild:label z:0 tag:READ_LABEL_LAYER_TAG];