Philip Helger created PDFBOX-3150:
-------------------------------------
Summary: IllegalArgumentException in getStringWidth/showText
Key: PDFBOX-3150
URL: https://issues.apache.org/jira/browse/PDFBOX-3150
Project: PDFBox
Issue Type: Bug
Components: PDModel
Affects Versions: 2.0.0
Environment: 2.0.0-RC2
Reporter: Philip Helger
I want to get the string width using a Type0 font. Because I'm using a
character not in the font (e.g. '\n') I'm getting the following exception:
{code}
Exception in thread "main" java.lang.IllegalArgumentException: No glyph for
U+000A in font OpenSans
at
org.apache.pdfbox.pdmodel.font.PDCIDFontType2.encode(PDCIDFontType2.java:401)
at
org.apache.pdfbox.pdmodel.font.PDType0Font.encode(PDType0Font.java:351)
at org.apache.pdfbox.pdmodel.font.PDFont.encode(PDFont.java:283)
at org.apache.pdfbox.pdmodel.font.PDFont.getStringWidth(PDFont.java:312)
{code}
As this is a quite common scenario, I suggest you provide a possibility to
provide a fallback codepoint that can be used for all non-printable characters.
A similiar exception happens when trying to print the text via the
PDPageContentStream:
{code}
Exception in thread "main" java.lang.IllegalArgumentException: No glyph for
U+000A in font OpenSans
at
org.apache.pdfbox.pdmodel.font.PDCIDFontType2.encode(PDCIDFontType2.java:401)
at
org.apache.pdfbox.pdmodel.font.PDType0Font.encode(PDType0Font.java:351)
at org.apache.pdfbox.pdmodel.font.PDFont.encode(PDFont.java:283)
at
org.apache.pdfbox.pdmodel.PDPageContentStream.showText(PDPageContentStream.java:341)
{code}
I finally ended up creating my own "font.encode" method (with a lot of other
hacks) that basically does the following:
{code}
final byte [] aFallbackBytes = aFont.encode (nFallbackCodepoint);
byte [] aCPBytes;
try
{
// This method is package private
aCPBytes = aFont.encode (nCP);
}
catch (final IllegalArgumentException ex) {
aCPBytes = aFallbackBytes;
}
{code}
-> another issue is, that "PDFont.encode (int)" is not public - it would help
to change this as well. Shall I create a separate issue?
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