ios文字绘制

//画文字

-(void)drawText:(CGRect)rect{

    NSString *str = @"姜灵凤姜灵凤姜灵凤姜灵凤姜灵凤姜灵凤姜灵凤姜灵凤";

    NSMutableDictionary *dict = [NSMutableDictionary dictionary];

    //字体大小

    dict[NSFontAttributeName] = [UIFont systemFontOfSize:30];

    //设置颜色

    dict[NSForegroundColorAttributeName] = [UIColor greenColor];

    //设置描边

    dict[NSStrokeColorAttributeName] = [UIColor redColor];

    dict[NSStrokeWidthAttributeName] = @2;

    //设置阴影

    NSShadow*shadow = [[NSShadowalloc]init];

    shadow.shadowColor = [UIColor blueColor];

    //设置阴影偏移量

    shadow.shadowOffset=CGSizeMake(1,1);

    //设置阴影模糊度

    shadow.shadowBlurRadius = 2;

    dict[NSShadowAttributeName] = shadow;

    //[str drawAtPoint:CGPointMake(50, 50) withAttributes:dict];//不会自动换行

    //会自动换行

    [strdrawInRect:rect withAttributes:dict];

}