如何将可打印或不可打印的位图标记添加到PDF？ [英] How to add a printable or non-printable bitmap stamp to a PDF?

问题描述

我想在PDF文件中添加位图图章，根据实际的Acrobat Reader打印设置，该图案可以是可打印的或不可打印的。

I would like to add a bitmap stamp to a PDF file, that would be either printable or non-printable depending on the actual Acrobat Reader print settings.

I.e。当用户在AR打印对话框组合框中选择文档选项 - 然后它将不会被打印，但是当选择文档和标记时，将打印位图。

I.e. when user selects in AR Print dialog combo box the option "Document" - then it would not be printed, but when "Document and stamps" is selected then the bitmap would print.

现在我可以创建可打印或不可打印的位图，但我无法根据用户选择创建可打印和不可打印的位图。

Right now I can create either printable or non-printable bitmap, but I am unable to create a bitmap that would be both printable and non-printable depending on users choice.

使用 PdfStamper 。

这可能吗？

推荐答案

创建图章注释在我的书的第7章，更具体地说是 TimeTableAnnotations3 示例：

Creating stamp annotations is described in Chapter 7 of my book, more specifically in the TimeTableAnnotations3 example:

PdfAnnotation annotation = PdfAnnotation.createStamp(stamper.getWriter(),
    rect, "Press only", "NotForPublicRelease");
annotation.setFlags(PdfAnnotation.FLAGS_PRINT);

如果您查看打印预览，可以看到如果您没有显示这些注释打印没有邮票的文件：

If you look at the print preview, you can see that these annotations don't show up if you print the Document without stamps:

在C＃中，代码与Java代码非常相似：

In C#, the code is very similar to the Java code:

 PdfAnnotation annotation = PdfAnnotation.CreateStamp(
     stamper.Writer, rect, "Press only", "NotForPublicRelease"
 );
 annotation.Flags = PdfAnnotation.FLAGS_PRINT;

请注意，PDF查看器应至少具有以下名称的预定义图标：

Note that a PDF viewer should have predefined icons for at least the following names:

• 已批准，


• 实验，


• 未批准，


• AsIs，


• 已过期，


• NotForPublicRelease，


• 机密，


• 最终，


• 已售出，


• 部门，


• ForComment，


• TopSecret，


• 草稿，


• ForPublicRelease。

• Approved,
• Experimental,
• NotApproved,
• AsIs,
• Expired,
• NotForPublicRelease,
• Confidential,
• Final,
• Sold,
• Departmental,
• ForComment,
• TopSecret,
• Draft,
• ForPublicRelease.

这些图标的外观取决于观众到观众。

What these icons look like will depend from viewer to viewer.

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