问题描述
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关于这个问题,我很快将需要假发来代替我已经拔掉的头发!我的网站上有一个Flash元素,它是一个XML画廊。它应该与背景无缝融合。我导入了一个具有透明度的PNG,其中一个边缘是与另一个BG的融合边缘。当然,Mac和Windows上都会有颜色变化。我尝试导入PSD,将其另存为JPG,并使用GammaSlamma删除了配置文件以及所有其他内容。
我以为我必须手动调整图像以匹配,然后根据用户的操作系统或类似的东西提供两个不同的Flash文件,但是后来我看到AS3支持色彩校正,并且很多人似乎发现它很有用。不用说,我非常兴奋。但是,我以前从未使用过AS3,并且对此感到非常头痛。
我找到了AS3的免费替代幻灯片,但我不知道在哪里添加此代码。
仅需根据http://kelsocartography.com/blog/?tag=as3-color-correction进行编码:
stage.colorCorrection = ColorCorrection.ON;
画廊的代码(很长的片段很抱歉):
//----------------------------------------------------------------------------------------------------
// XMLSlideshow.as
// 19 Feb 2009
// www.simplistika.com
//----------------------------------------------------------------------------------------------------
package com.simplistika
{
import flash.display.*;
import flash.events.*;
import flash.net.URLRequest;
import flash.utils.Timer;
//Color correction
import flash.display.ColorCorrection;
stage.colorCorrection = ColorCorrection.ON;
//----------------------------------------------------------------------------------------------------
// class deFinition
//----------------------------------------------------------------------------------------------------
public class XMLSlideshow extends cXMLApp
{
//----------------------------------------------------------------------------------------------------
// member data
//----------------------------------------------------------------------------------------------------
private var mTimer : Timer;
private var mPlaceholder1 : Loader = new Loader();
private var mPlaceholder2 : Loader = new Loader();
private var mControl : mcControl = new mcControl();
private var mSlide : int;
//----------------------------------------------------------------------------------------------------
// slideshow setup
//----------------------------------------------------------------------------------------------------
private var mFile : String = \"http://www.simplistika.com/files/ssp/Slideshow.xml\"; // path to xml file
private var mInterval : uint = 8000; // slide interval
//----------------------------------------------------------------------------------------------------
// constructor
//----------------------------------------------------------------------------------------------------
public function
XMLSlideshow(
) : void
{
trace(this + \" \" + \"XMLSlideshow.constructor\");
mTimer = new Timer(mInterval,0);
mPlaceholder1.contentLoaderInfo.addEventListener(Event.OPEN,fOpen);
mPlaceholder1.contentLoaderInfo.addEventListener(Event.COMPLETE,fResult);
mPlaceholder2.contentLoaderInfo.addEventListener(Event.OPEN,fOpen);
mPlaceholder2.contentLoaderInfo.addEventListener(Event.COMPLETE,fResult);
//this.addEventListener(MouseEvent.MOUSE_OVER,fOnMouSEOver);
//this.addEventListener(MouseEvent.MOUSE_OUT,fOnMouSEOut);
//this.addEventListener(MouseEvent.CLICK,fOnClick);
mTimer.addEventListener(TimerEvent.TIMER,fTimer);
addChild(mPlaceholder1);
addChild(mPlaceholder2);
addChild(mControl);
mSlide = 0;
mControl.btnForward.alpha = mControl.btnBack.alpha = mControl.btnPause.alpha = 0.0;
//mControl.btnForward.buttonMode = mControl.btnBack.buttonMode = mControl.btnPause.buttonMode = true;
mControl.btnForward.visible = mControl.btnBack.visible = false;
super(mFile);
super.addEventListener(\"XMLLoaded\",fStart);
}
//----------------------------------------------------------------------------------------------------
// fStart
//----------------------------------------------------------------------------------------------------
private function
fStart(
e : Event
) : void
{
trace(this + \" \" + \"XMLSlideshow.fStart\");
fLoadImage();
}
//----------------------------------------------------------------------------------------------------
// fOnMouSEOver
//----------------------------------------------------------------------------------------------------
/* private function
fOnMouSEOver(
e : MouseEvent
) : void
{
switch (e.target.name)
{
case \"btnPause\":
mTimer.running ? mControl.txtDesc.text = \"Pause\" : mControl.txtDesc.text = \"Play\";
break;
case \"btnForward\":
mControl.txtDesc.text = \"Next\";
break;
case \"btnBack\":
mControl.txtDesc.text = \"Back\";
break;
default:
return;
}
mControl.txtDesc.alpha = 1;
e.target.alpha = 0.7;
}
//----------------------------------------------------------------------------------------------------
// fOnMouSEOut
//----------------------------------------------------------------------------------------------------
private function
fOnMouSEOut(
e : MouseEvent
) : void
{
switch (e.target.name)
{
case \"btnPause\":
case \"btnForward\":
case \"btnBack\":
e.target.alpha = 0.5;
mControl.txtDesc.alpha = 0;
return;
}
}
//----------------------------------------------------------------------------------------------------
// fOnClick
//----------------------------------------------------------------------------------------------------
private function
fOnClick(
e : MouseEvent
) : void
{
trace(this + \" \" + \"XMLSlideshow.fOnClick \" + e.target.name);
switch (e.target.name)
{
case \"btnPause\":
if (mControl.txtDesc.text == \"Pause\")
{
mTimer.stop();
mControl.btnBack.visible = mControl.btnForward.visible = true;
mControl.txtDesc.text = \"Play\";
}
else
{
mTimer.start();
mControl.btnBack.visible = mControl.btnForward.visible = false;
mControl.txtDesc.text = \"Pause\";
}
return;
case \"btnForward\":
mSlide == mItems - 1 ? mSlide = 0 : mSlide++;
break;
case \"btnBack\":
mSlide == 0 ? mSlide = mItems - 1 : mSlide--;
break;
default:
return;
}
fLoadImage();
} */
//----------------------------------------------------------------------------------------------------
// fLoadImage
//----------------------------------------------------------------------------------------------------
private function
fLoadImage(
) : void
{
getChildindex(mPlaceholder1) != 0 ?
mPlaceholder2.load(new URLRequest(mData.slide[mSlide].url)) :
mPlaceholder1.load(new URLRequest(mData.slide[mSlide].url));
}
//----------------------------------------------------------------------------------------------------
// fTimer
//----------------------------------------------------------------------------------------------------
private function
fTimer(
e : TimerEvent
) : void
{
mSlide == mItems - 1 ? mSlide = 0 : mSlide++;
fLoadImage();
}
//----------------------------------------------------------------------------------------------------
// fOpen
//----------------------------------------------------------------------------------------------------
private function
fOpen(
e : Event
) : void
{
mTimer.stop();
}
//----------------------------------------------------------------------------------------------------
// fResult
//----------------------------------------------------------------------------------------------------
private function
fResult(
e : Event
) : void
{
if (!mControl.btnForward.visible)
mTimer.start();
getChildindex(mPlaceholder1) == 0 ? fNextimage(mPlaceholder1) : fNextimage(mPlaceholder2);
}
//----------------------------------------------------------------------------------------------------
// fKenBurns
//----------------------------------------------------------------------------------------------------
private function
fNextimage(
vPlaceholder : Loader
) : void
{
setChildindex(vPlaceholder,this.numChildren - 2);
vPlaceholder.alpha = 0;
vPlaceholder == mPlaceholder1 ? cTween.to(mPlaceholder2,{alpha:0},1) : cTween.to(mPlaceholder1,1);
cTween.to(vPlaceholder,{ alpha:1 },1);
}
//----------------------------------------------------------------------------------------------------
} // class
//----------------------------------------------------------------------------------------------------
} // package
您可以看到我在其中添加了“色彩校正”,但是在运行文件时出现此错误:
ReferenceError: Error #1065: Variable stage is not defined.
at global$init()
有什么建议么?谢谢....
解决方法
那是因为尚未定义/创建阶段。因此,这里有2个选项:
使用ADDED_TO_STAGE侦听器来
等待幻灯片添加
登台。因此,您需要添加
以下是构造函数:
addEventListener(Event.ADDED_TO_STAGE,
_添加);
并将此函数添加到类中:
private _added function(e:Event)
{
removeEventListener(Event.ADDED_TO_STAGE,
_添加);
stage.colorCorrection = ColorCorrection.ON;
}
制作文档类(请参见
http://goo.gl/b92SU以获取更多信息
这些),就像这样:
package
{
import flash.display.MovieClip;
public class Main extends MovieClip
{
function Main()
{
addEventListener(Event.ADDED_TO_STAGE,_added);
//other code that was in your main timeline
}
private function _added(e:Event):void
{
removeEventListener(Event.ADDED_TO_STAGE,_added);
stage.colorCorrection = ColorCorrection.ON;
}
}
}
, 您不能将代码放在类之外。删除线
stage.colorCorrection = ColorCorrection.ON;
并将其放在您的Document Class构造函数上。如果您对此有疑问,则意味着您的应用程序设置不正确。我建议您创建一个新问题,或阅读本教程。