支持平臺(tái)：iOS

運(yùn)行環(huán)境：iOS

開發(fā)語言：Object-c

開發(fā)工具：Xcode

源碼大?。?66.12KB

源碼下載地址：http://down.51cto.com/data/1975550

源碼簡(jiǎn)介

實(shí)現(xiàn)了可自定義的畫圖功能，可以動(dòng)態(tài)選擇圖筆的顏色，線條粗細(xì)等。

源碼運(yùn)行截圖

效果圖

源碼片段

- (id)initWithFrame:(CGRect)frame afterToolColor:(ToolColorBlock)toolcolor 
{ 
    _toolColorBlock = toolcolor; 
    self = [super initWithFrame:frame]; 
    if (self) { 
        self.backgroundColor = [UIColor lightGrayColor]; 
        _colorArray = [NSArray array]; 
        NSArray *array = @[[UIColor darkGrayColor], 
                           [UIColor redColor], 
                           [UIColor greenColor], 
                           [UIColor blueColor], 
                           [UIColor yellowColor], 
                           [UIColor orangeColor], 
                           [UIColor purpleColor], 
                           [UIColor brownColor], 
                           [UIColor blackColor]]; 
  
        _colorArray = array; 
        [self creatColorButtons:array]; 
    } 
    return self; 
} 
  
- (void)creatColorButtons:(NSArray *)array 
{ 
    NSInteger count = array.count; 
    CGFloat buttonW = (self.bounds.size.width - (array.count+1)*kButtonSpace)/count; 
    CGFloat buttonH = self.bounds.size.height; 
    for (NSInteger i = 0; i<array.count; i++)="" {="" uicolor="" *color="array[i];" uibutton="" *button="[UIButton" buttonwithtype:uibuttontypecustom];="" button.tag="i;" [button="" addtarget:self="" action:@selector(tagbutton:)="" forcontrolevents:uicontroleventtouchupinside];="" cgfloat="" buttonx="kButtonSpace" +="" i="" *="" (buttonw="" +kbuttonspace);="" button.frame="CGRectMake(buttonX," 5,="" buttonw,="" buttonh-10);="" setbackgroundcolor:color];="" [self="" addsubview:button];="" }="" -="" (void)tagbutton:(uibutton="" *)button="" [uiview="" animatewithduration:0.5f="" animations:^{="" self.frame="CGRectMake(0," -self.bounds.size.height,="" 320,="" 44);="" }];="" _toolcolorblock(_colorarray[button.tag]);="" }<="" pre=""> 
                      
                </array.count;> 

源碼下載地址：http://down.51cto.com/data/1975550