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我有一些奇怪的事情正在使用PdfClown 0.1.2进行文本编写。字体访问PdfClown空指针
PrimitiveComposer composer = new PrimitiveComposer(page);
BlockComposer blockComposer = new BlockComposer(composer);
addHeader(document, composer, blockComposer);
addOfferData(document, offer, blockComposer, composer);
composer.flush();
private void addHeader(Document document, PrimitiveComposer composer, BlockComposer blockComposer) {
Rectangle2D frame = new Rectangle2D.Double(36, 0, 842, 36);
blockComposer.begin(frame, XAlignmentEnum.Left, YAlignmentEnum.Middle);
composer.setFont(getSimpleFont(document), 12);
blockComposer.showText(getHeader());
blockComposer.end();
}
private void addOfferData(Document document, Offer offer, BlockComposer blockComposer, PrimitiveComposer composer) {
blockComposer.begin(new Rectangle2D.Double(456, 156, 340, 250), XAlignmentEnum.Left, YAlignmentEnum.Top);
composer.setFont(getSimpleFont(document), 12);
blockComposer.showText("Text");
blockComposer.showBreak();
blockComposer.end();
}
private StandardType1Font getSimpleFont(Document document) {
return new StandardType1Font(document, StandardType1Font.FamilyEnum.Times, false, false);
}
在JUnit测试中一切正常,但在生产模式下,它在第二个方法showText上失败。
java.lang.NullPointerException
at org.pdfclown.documents.contents.fonts.Font.encode(Font.java:423)
at org.pdfclown.documents.contents.composition.PrimitiveComposer.showText(PrimitiveComposer.java:1058)
at org.pdfclown.documents.contents.composition.PrimitiveComposer.showText(PrimitiveComposer.java:960)
at org.pdfclown.documents.contents.composition.BlockComposer.showText(BlockComposer.java:553)
at org.pdfclown.documents.contents.composition.BlockComposer.showText(BlockComposer.java:463)
at com.example.service.PdfGenerationService.addOfferData(PdfGenerationService.java:121)
是否需要以某种方式处理字体,或者可能会导致此问题?在第一种方法中,文本正在呈现什么是最奇怪的。
是的,问题是特殊字符。我使用的是外部字体,而不是SimpleFont。 – sandris
您可能想要通知pdfclown作者......在这种情况下出现'NullPointerException'是不合适的,至少在我看来是这样。 – mkl
@mkl根据您的明智建议,PDF Clown 0.1.2.1的最新提交包含一个可自定义的回退机制,用于正确处理缺失的字符(以下是公告:https://twitter.com/PDFClown/status/587798095615885312)。 –