我正在编写一个使用PDFbox库来填充PDF文件中的字段的应用程序。 在其中一个领域,我将文本设置为希伯来字母。 当我在Android设备上运行代码时,我得到以下日志:
java.lang.IllegalArgumentException: This font type only supports 8-bit code points
at com.tom_roush.pdfbox.pdmodel.font.PDType1Font.encode(PDType1Font.java:317)
at com.tom_roush.pdfbox.pdmodel.font.PDFont.encode(PDFont.java:264)
at com.tom_roush.pdfbox.pdmodel.font.PDFont.getStringWidth(PDFont.java:293)
at com.tom_roush.pdfbox.pdmodel.interactive.form.PlainTextFormatter.format(PlainTextFormatter.java:183)
at com.tom_roush.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper.insertGeneratedAppearance(AppearanceGeneratorHelper.java:360)
at com.tom_roush.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper.setAppearanceContent(AppearanceGeneratorHelper.java:224)
at com.tom_roush.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper.setAppearanceValue(AppearanceGeneratorHelper.java:128)
at com.tom_roush.pdfbox.pdmodel.interactive.form.PDTextField.constructAppearances(PDTextField.java:247)
at com.tom_roush.pdfbox.pdmodel.interactive.form.PDTerminalField.applyChange(PDTerminalField.java:221)
at com.tom_roush.pdfbox.pdmodel.interactive.form.PDTextField.setValue(PDTextField.java:202)
at com.package.app.MainActivity.lambda$checkPdf$4$MainActivity(MainActivity.java:128)
at com.package.app.MainActivity$$Lambda$2.run(Unknown Source:18)
at java.lang.Thread.run(Thread.java:764)
我试图在Stack Overflow上找到关于它的一些信息,但我找到的答案都没有与填写表格有关。这都与PDPageContentStream
有关。
这就是我在代码中填写表单的方法:
try {
PDDocument document = PDDocument.load(getAssets().open("file.pdf"));
PDDocumentCatalog docCatalog = document.getDocumentCatalog();
PDAcroForm acroForm = docCatalog.getAcroForm();
// Fill the text field
((PDTextField) acroForm.getField("name")).setValue("בדיקה");
File root = android.os.Environment.getExternalStorageDirectory();
String path = root.getAbsolutePath() + "/test.pdf";
document.save(path);
document.close();
} catch (IOException e) {
Log.e("e", e.getMessage());
}
你能帮我解决一下这个错误吗?用PDFbox填写希伯来文字母?
我用this answer来改变字段文本的字体。唯一的问题是现在文本面向错误的方向,所以我改变了字符串的方向:
try {
PDDocument document = PDDocument.load(getAssets().open("file.pdf"));
PDDocumentCatalog docCatalog = document.getDocumentCatalog();
PDAcroForm acroForm = docCatalog.getAcroForm();
PDResources dr = acroForm.getDefaultResources();
PDFont liberationSans = PDType0Font.load(document, getAssets().open("com/tom_roush/pdfbox/resources/ttf/LiberationSans-Regular.ttf"));
COSName fontName = dr.add(liberationSans);
Iterator<PDField> it = acroForm.getFields().iterator();
while (it.hasNext()) {
PDField field = it.next();
if (field instanceof PDTextField) {
PDTextField textField = (PDTextField) field;
String da = textField.getDefaultAppearance();
// replace font name in default appearance string
Pattern pattern = Pattern.compile("\\/(\\w+)\\s.*");
Matcher matcher = pattern.matcher(da);
String oldFontName = matcher.group(1);
da = da.replaceFirst(oldFontName, fontName.getName());
textField.setDefaultAppearance(da);
}
}
// Fill the text field
((PDTextField) acroForm.getField("name")).setValue(new StringBuilder("בדיקה").reverse().toString());
File root = android.os.Environment.getExternalStorageDirectory();
String path = root.getAbsolutePath() + "/test.pdf";
document.save(path);
document.close();
} catch (IOException e) {
Log.e("e", e.getMessage());
}