Oliver Schmidtmer created PDFBOX-5430:
-----------------------------------------
Summary: PDFStreamEngine.showTextStrings with font switch
Key: PDFBOX-5430
URL: https://issues.apache.org/jira/browse/PDFBOX-5430
Project: PDFBox
Issue Type: Bug
Reporter: Oliver Schmidtmer
Attachments: keine Vorschau ELO-1228188_20220228_11462_HD_online.pdf
The attached PDF fails to render with an PDFStreamEngine.showTextStrings with
the following exception:
"java.io.IOException: Unknown type COSName in array for TJ
operation:COSName\{F3}"
This seems to be a font switch.
{code:java}
diff --git
"a/pdfbox/src/main/java/org/apache/pdfbox/contentstream/PDFStreamEngine.java"
"b/pdfbox/src/main/java/org/apache/pdfbox/contentstream/PDFStreamEngine.java"
index e4f2259a5..12edadd2b 100644
---
"a/pdfbox/src/main/java/org/apache/pdfbox/contentstream/PDFStreamEngine.java"
+++
"b/pdfbox/src/main/java/org/apache/pdfbox/contentstream/PDFStreamEngine.java"
@@ -680,6 +680,18 @@ public abstract class PDFStreamEngine
byte[] string = ((COSString)obj).getBytes();
showText(string);
}
+ else if (obj instanceof COSName)
+ {
+ if(((COSName) obj).getName().startsWith("F"))
+ {
+ textState.setFont(resources.getFont((COSName) obj));
+ }
+ else
+ {
+ throw new IOException("Unknown type " +
obj.getClass().getSimpleName()
+ + " in array for TJ operation:" + obj);
+ }
+ }
else if (obj instanceof COSArray)
{
LOG.error("Nested arrays are not allowed in an array for TJ
operation:" + obj);
{code}
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