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使用XDP將圖像插入PDF

[英]Inserting an Image into a PDF using XDP

問題:

我正在嘗試將圖像顯示在使用XDP文件生成的PDF上。

我目前正在嘗試:

我有一個從PDF導出的XDP文件。 我在pdf上有一個帶有標簽“ my_image”的文本框。 這是我用來編碼作為“ my_image”標簽值插入的字符串的代碼。

var bytes = System.IO.File.ReadAllBytes(@"C:\image.jpg");
var data = Convert.ToBase64String(bytes);

當我使用XDP啟動PDF時,圖像不顯示,僅顯示Base64編碼的字符串值。

有任何想法嗎?

我在LiveCycle Designer中制作了一個簡單的PDF,其中包含一個名為ImageField1 Image Field 我使用了與您幾乎相同的代碼來創建base64編碼的圖像,除了我包括了在技術上不需要的換行符外:

var testImage = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "Untitled.png");
var bytes = System.IO.File.ReadAllBytes(testImage);
var data = Convert.ToBase64String(bytes, Base64FormattingOptions.InsertLineBreaks);

所有這些都是我的XDP文件,可與我的簡單PDF一起使用。 我知道這不是一個完整的答案,但希望您可以將適用於我的代碼與您的代碼進行比較。

<?xml version="1.0" encoding="UTF-8"?>
<?xfa generator="XFA2_4" APIVersion="3.0.11111.0"?>
<xdp:xdp xmlns:xdp="http://ns.adobe.com/xdp/">
<xfa:datasets xmlns:xfa="http://www.xfa.org/schema/xfa-data/1.0/"
><xfa:data
><topmostSubform
><ImageField1 xfa:contentType="image/png" href=""
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></topmostSubform
></xfa:data
></xfa:datasets
>
<pdf href="Untitled1_distributed.pdf" xmlns="http://ns.adobe.com/xdp/pdf/"
/></xdp:xdp>

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