利用drawinrect在control中画入图片和文字-创新互联

//

//  BtnControl.m

//  ZCar

//

//  Created by imac on 15/10/4.

//  Copyright (c) 2015年 imac. All rights reserved.

//

#import "BtnControl.h"

@implementation BtnControl

-(instancetype)initWithFrame:(CGRect)frame

{

  self = [super initWithFrame:frame];

  if (self) {

      self.layer.borderColor = [UIColor lightGrayColor].CGColor;

      self.layer.borderWidth = 1;

      self.backgroundColor = [UIColor whiteColor];

  }

  return self;

}

-(void)setNameWithTitle:(NSString *)nameWithTitle

{

  if (_nameWithTitle != nameWithTitle) {

      _nameWithTitle = nameWithTitle;

      [self setNeedsDisplay];

  }

}

- (void)setImgName:(NSString *)imgName

{

  if (_imgName != imgName) {

      _imgName = imgName;

      [self setNeedsDisplay];

  }

}

- (void)setDic:(NSDictionary *)dic

{

  if (_dic != dic) {

      _dic = dic;

      [self setNeedsDisplay];

  }

}

- (void)drawRect:(CGRect)rect

{

  [super drawRect:rect];

  [self drawWithText:_nameWithTitle ImgName:_imgName titleColor:_dic];

}

- (void)drawWithText:(NSString *)title ImgName:(NSString *)imgName titleColor:(NSDictionary *)dic{

  UIImage *img = [UIImage p_w_picpathNamed:imgName];

  [img drawInRect:CGRectMake(self.width - 27, self.height - 12, 25, 10)];

  int i = [self convertToInt:title];

  float width = (self.width - i * 12) / 2;

  [title drawInRect:CGRectMake(width, 10, self.width, self.height) withAttributes:dic];

}

-  (int)convertToInt:(NSString*)strtemp {

  int strlength = 0;

  char* p = (char*)[strtemp cStringUsingEncoding:NSUnicodeStringEncoding];

  for (int i=0 ; i<[strtemp lengthOfBytesUsingEncoding:NSUnicodeStringEncoding] ;i++) {

      if (*p) {

          p++;

          strlength ++;

      }

      else {

          p ++;

      }

  }

  return (strlength + 1) / 2;

}

@end

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