• Flash As3.0 绘制线条


    package
    {

    import flash.display.Sprite;

    import flash.events.MouseEvent;
    import flash.events.Event;
    import fl.controls.ColorPicker;//导入组件ColorPicker的包
    import flash.display.LineScaleMode;//为下面绘制线条指定笔触粗细缩放属性导入包(LineScaleMode.NORMAL 默认值)
    import flash.display.CapsStyle;//为下面绘制线条指定线条末端处端点类型的属性导入包(CapsStyle.ROUND 默认值)
    import fl.events.ColorPickerEvent;//为事件ColorPickerEven导入包

    public class lines extends Sprite
    {
    private var myShape:Sprite;//
    private var colorPicker:ColorPicker;
    private var getColor:uint;
    public function lines()
    {
    stage.addEventListener(MouseEvent.MOUSE_DOWN,onMouseDownHandler);//为舞台添加鼠标按下事件
    stage.addEventListener(MouseEvent.MOUSE_UP,onMouseUpHandler);//为舞台添加鼠标弹起事件
    colorPicker = new ColorPicker();
    colorPicker.x = 20;
    colorPicker.y = 20;
    addChild(colorPicker);//将组件添加到舞台上
    colorPicker.addEventListener(ColorPickerEvent.CHANGE, changeHandler);//为组件ColorPicker添加CHANGE事件

    }
    private function changeHandler(e:ColorPickerEvent):void
    {


    getColor = uint("0x"+e.target.hexValue) ;//将组件ColorPicker的颜色值转换为16进制
    trace(getColor);


    }

    private function onMouseDownHandler(e:MouseEvent):void
    {


    myShape = new Sprite();
    myShape.graphics.moveTo(mouseX,mouseY);//确定绘制线条的起点为鼠标按下是的坐标
    stage.addEventListener(MouseEvent.MOUSE_MOVE,onMouseMoveHandler);


    }


    private function onMouseUpHandler(e:MouseEvent):void
    {
    stage.removeEventListener(MouseEvent.MOUSE_MOVE,onMouseMoveHandler);

    }
    private function onMouseMoveHandler(e:MouseEvent):void
    {
    //myShape.graphics.clear();
    myShape.graphics.lineStyle(1,getColor,1,true,LineScaleMode.NONE,CapsStyle.NONE );//设置线条样式

    //myShape.graphics.lineBitmapStyle(new Photo(0,0));//指定一个位图,用于绘制线条时的线条笔触。 在调用 lineBitmapStyle() 方法之前调用 lineStyle() 方法以启用笔触,图片入库


    myShape.graphics.lineTo(mouseX,mouseY);//确定绘制线条的终点为鼠标弹起时的坐标并连接
    stage.addChild(myShape);//将线条添加到舞台上
    }
    }

    }

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  • 原文地址:https://www.cnblogs.com/yanshuoistutu/p/2734633.html
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