Question

好的回到as3打印的另一个问题

//Function to print entire screen
function printFunction(event:MouseEvent):void
{
    var myPrintJob:PrintJob = new PrintJob();
    var oldScaleX:Number = root.scaleX;
    var oldScaleY:Number = root.scaleY;

    //Start the print job
    myPrintJob.start();

    //Figure out the new scale
    var newScaleX:Number = myPrintJob.paperWidth/root.width;
    var newScaleY:Number = myPrintJob.paperHeight/root.height;

    //Shrink in both the X and Y directions by the same amount (keep the same ratio)
    if(newScaleX < newScaleY)
        newScaleY = newScaleX;
    else
        newScaleX = newScaleY;

    root.scaleX = newScaleX;
    root.scaleY = newScaleY;

    //Print the page
    myPrintJob.addPage(Sprite(root));
    myPrintJob.send();

    //Reset the scale to the old values
    root.scaleX = oldScaleX;
    root.scaleY = oldScaleY;
}

我似乎找不到任何对此有用的东西。当我在打印对话框上单击取消时，我得到下面的错误，它消除了我的瑞士法郎。

错误在于，无论何时我尝试打印并取消它，或者甚至在我成功打印时，swf都会变成空白。

Answer 1

有两种打印类型，矢量和位图。因为你只是传入根目录，它将尝试将所有内容打印为矢量。但是您可能会看到，在某些操作系统上的某些版本的Flash播放器中，矢量打印不起作用。我通常会创建所需的displayobject的位图快照并打印出来。

var bitmapData:BitmapData = new BitmapData(root.width, root.height); bitmapData.draw(root); var printThis:Bitmap = new Bitmap(bitmapData);

确保在打印之前将其添加到舞台上，以便预览工作并注意最大位图数据大小。完成后删除位图。

Answer 2

要打印为位图，您可以使用打印选项，

var printOption:PrintJobOptions = new PrintJobOptions();
printOption.printAsBitmap = true;

在addPage（...）之前;线

但这不是空白SWF的原因。

使用以下代码，

function firePrint(e:MouseEvent):void
{
printImage(Img);
}
printBtn.addEventListener(MouseEvent.CLICK, firePrint, false, 0, true);

function printImage(mc:MovieClip):void
{
var realW:Number = mc.width;
var realH:Number = mc.height;
var orgX:Number = mc.x;
var orgY:Number = mc.y;
var pj:PrintJob = new PrintJob();
var pageCount:Number = 0;

var printOption:PrintJobOptions = new PrintJobOptions();
printOption.printAsBitmap = true;

if (pj.start())
{
    mc.x = 0;
    mc.y = 0;

    var cXscale:Number,cYscale:Number;

    if (pj.orientation.toLowerCase() != "landscape")
    {
        mc.rotation = 90;
        mc.x = mc.width;
        cXscale = (pj.pageWidth / realH) * 100;
        cYscale = (pj.pageHeight / realW) * 100;
    }
    else
    {
        cXscale = (pj.pageWidth / realW) * 100;
        cYscale = (pj.pageHeight / realH) * 100;
    }

    mc.scaleX = mc.scaleY = Math.min(cXscale,cYscale);

    if (pj.addPage(mc,new Rectangle(0,0,realW,realH)))
    {
        pageCount++;
    }

    if (pageCount > 0)
    {
        pj.send();
    }

    mc.scaleX = mc.scaleY = 100;
    mc.rotation = 0;
    mc.x = orgX;
    mc.y = orgY;
    pj = null;
}else
{
    //No printer or prnting is cancelled
}
}

As3打印问题，打印或取消后的空白swf

2 个答案: