[jira] Created: (PDFBOX-973) 2 byte codes not supported in PDType1CFont.getStringWidth

["Timo Boehme (JIRA)" <ji...@apache.org>]

2 byte codes not supported in PDType1CFont.getStringWidth
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                 Key: PDFBOX-973
                 URL: https://issues.apache.org/jira/browse/PDFBOX-973
             Project: PDFBox
          Issue Type: Bug
          Components: PDModel
    Affects Versions: 1.6.0
            Reporter: Timo Boehme


PDType1CFont overrides the method getStringWidth. The width is calculated by getting the code for each character of the string. However it is assumed that the code only has a maximum value of 255 (1 byte) while - as one can see in e.g. getName() two bytes are possible as well. Therefore the line within getStringWidth which reads

width += getFontWidth(new byte[]{(byte)code.intValue()}, 0, 1); 

must be replaced 
width += ( code < 256 ) ? getFontWidth( new byte[]{ (byte)code.intValue() }, 0, 1 ) :
            	                     getFontWidth( new byte[]{ (byte)(code.intValue() >> 8),
            	                        		                      (byte) code.intValue() },
            	                        		          0, 2 );


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