功能分類：特效

支持平臺：iOS

運行環境：iOS

開發語言：Object-c

開發工具：Xcode

源碼大小：174.88KB

源碼下載地址：http://down.51cto.com/data/1975235

源碼簡介

實現對字符串的畫線動畫，可以在類方法中修改動畫大小和位置，以及畫線的顏色。

源碼運行截圖

效果圖

源碼片段

-(void)startDraw:(UIButton*)sender 
{ 
    for (id layer in self.view.layer.sublayers) { 
        if([layer isKindOfClass:[ZYAnimationLayer class]]) 
        { 
            [layer removeFromSuperlayer]; 
        } 
    } 
    [ZYAnimationLayer createAnimationLayerWithString:self.myTextField.text andRect: CGRectMake(20.0f, -100.0f, 
                                                                                              CGRectGetWidth(self.view.layer.bounds) - 40.0f, 
                                                                                               CGRectGetHeight(self.view.layer.bounds) - 84.0f) andView:self.view andFont:CTFontCreateWithName(CFSTR("Helvetica-Bold"), 80.0f, NULL) andStrokeColor:[UIColor colorWithRed:0.3 green:0.2 blue:0.5 alpha:1]]; 
} 
- (void)textFieldDidBeginEditing:(UITextField *)textField 
{ 
    self.myTextField.frame = CGRectMake(self.myTextField.frame.origin.x, self.myTextField.frame.origin.y - 252, self.myTextField.frame.size.width, self.myTextField.frame.size.height); 
} 
- (void)textFieldDidEndEditing:(UITextField *)textField 
{ 
    self.myTextField.frame = CGRectMake(self.myTextField.frame.origin.x, self.myTextField.frame.origin.y + 252, self.myTextField.frame.size.width, self.myTextField.frame.size.height); 
} 

源碼下載地址：http://down.51cto.com/data/1975235