Apache PDFBox 2.0.3，Java 的 PDF 处理类库

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                　　Apache PDFBox 2.0.3 发布了。Apache PDFBox库是一个开源的Java工具用于处理PDF文档。该版本修复了一些bug以及功能的提升。
　　更新内容：
　　Bug

• 　　[PDFBOX-2420] - DateConverter doesn't handle time zones outside -12 to +12 range properly
  
• 　　[PDFBOX-2854] - TTFSubsetter NoSuchElementException
  
• 　　[PDFBOX-2919] - org.apache.fontbox.cff.CFFParser.readEntry sometimes throws java.lang.IllegalArgumentException
  
• 　　[PDFBOX-2984] - PDFTextStripper adds extra word/line delimiters when PDF page orientation is 180 degrees
  
• 　　[PDFBOX-3165] - Tab characters in PDTextField cause error when using .flatten()
  
• 　　[PDFBOX-3298] - Can't show text (glyph) from ZapfDingbats font
  
• 　　[PDFBOX-3306] - SCALE_TO_FIT with DPI yields incorrect margins
  
• 　　[PDFBOX-3315] - Dates falsely detected as different by preflight
  
• 　　[PDFBOX-3332] - Apache PDFBox Form Fill TrueType text spacing issue
  
• 　　[PDFBOX-3335] - Issue while Merging PDF with Hidden Layers
  
• 　　[PDFBOX-3337] - Regression: NullPointerException in subsetting
  
• 　　[PDFBOX-3344] - Caused by: java.lang.ClassCastException: org.apache.fontbox.ttf.OpenTypeFont can not be cast to org.apache.fontbox.cff.CFFFont
  
• 　　[PDFBOX-3373] - Create example with empty signature incomplete
  
• 　　[PDFBOX-3379] - PDType0Font Subsetting Monospace DejaVuSansMono
  
• 　　[PDFBOX-3381] - PDF rendering regression
  
• 　　[PDFBOX-3386] - Downgrade maven-bundle-plugin to ensure jdk6 compatibility
  
• 　　[PDFBOX-3395] - Throwing exception when PDF has unused empty fonts embedded.
  
• 　　[PDFBOX-3403] - IllegalArgumentException: Symbolic fonts must have a built-in encoding
  
• 　　[PDFBOX-3404] - Threads using PDFBox getting stuck when using standard 14 fonts
  
• 　　[PDFBOX-3408] - Correct validation of Widget Annotations for PDF/A-1
  
• 　　[PDFBOX-3409] - TextToPDF drops leading spaces
  
• 　　[PDFBOX-3411] - Incorrect embedding of non-subset fonts.
  
• 　　[PDFBOX-3417] - Redundant/incorrect code in PDVisibleSignDesigner.java
  
• 　　[PDFBOX-3419] - DublinCoreSchema.getDates always returns empty list
  
• 　　[PDFBOX-3426] - ExecutionException: java.lang.ArrayIndexOutOfBoundsException: 0
  
• 　　[PDFBOX-3435] - Text extraction - words on same line detection failing in 2.x
  
• 　　[PDFBOX-3439] - DomXmpParser fails to parse date
  
• 　　[PDFBOX-3441] - NumberFormatException when loading large PDF file
  
• 　　[PDFBOX-3446] - Infinite loop while parsing
  
• 
  　　[PDFBOX-3447] - IllegalArgumentException: Dimensions (width=99999>
  
• 　　[PDFBOX-3448] - NullPointerException at org.apache.pdfbox.pdmodel.common.COSArrayList.convertFloatCOSArrayToList
  
• 　　[PDFBOX-3450] - ArrayIndexOutOfBoundsException at org.apache.fontbox.cmap.CMapParser.increment
  
• 　　[PDFBOX-3466] - Java 9 warnings
  
• 　　[PDFBOX-3467] - PDPage.getAnnotations() modifies the PDF
  
• 　　[PDFBOX-3470] - Set border and background color in AcroForm field appearance
  
• 　　[PDFBOX-3471] - XMP parsing fails if XMP contain comments
  
• 
  　　[PDFBOX-3472] - NPE when PDF/A>
  
• 　　[PDFBOX-3473] - IllegalArgumentException: resourceDictionary is null in PDFMerger (2)
  
• 　　[PDFBOX-3475] - IllegalArgumentException: 2058 > -49861164 in PDType1Font.java
  
• 　　[PDFBOX-3477] - CA and ca values should be clipped
  
• 　　[PDFBOX-3479] - NPE in AppearanceGeneratorHelper.setAppearanceValue() if no rectangle in widget
  
• 　　[PDFBOX-3481] - Localization in XRef generation results in unusable PDFs
  
• 　　[PDFBOX-3485] - NullPointerException in PageDrawer.drawAnnotationLinkBorder() due to /Rect array containing indirect objects
  
• 　　[PDFBOX-3486] - IllegalArgumentException for images without dimensions
  
• 
  　　[PDFBOX-3487] ->
  
• 　　[PDFBOX-3488] - NullPointerException in PDTrueTypeFont.java if glyf table is missing
  
• 　　[PDFBOX-3490] - NullPointerException in PDType1Font.generateBoundingBox
  
• 　　[PDFBOX-3491] - NumberFormatException in CFFParser.readRealNumber
  
• 　　[PDFBOX-3493] - AcroFormValidationProcess.validateField fails to check multiple widgets
  

　　Improvement

• 　　[PDFBOX-3065] - Right now PDFBOX does not permit to sign multiple files while calling an external signing service.
  
• 　　[PDFBOX-3069] - Add code for CCITT compression
  
• 　　[PDFBOX-3324] - Complete PDActionSound
  
• 　　[PDFBOX-3382] - pdf creation very slow
  
• 　　[PDFBOX-3383] - Refactor to allow tsa timestamping for visible signatures
  
• 　　[PDFBOX-3387] - AcroFrom fields (values) invisible when printing
  
• 　　[PDFBOX-3391] - PDButton.getOnValues seems to be using the wrong source for getting the allowed values
  
• 　　[PDFBOX-3397] - PDFDebugger shows XML Metadata in ISO-8859-1
  
• 
  　　[PDFBOX-3405] - Display font>
  
• 　　[PDFBOX-3414] - Add orientation parameter to PrintPDF command line tool
  
• 　　[PDFBOX-3416] - CreateVisibleSignature example does not use the correct alias
  
• 　　[PDFBOX-3418] - Slow string to hex conversion in ToUnicodeWriter
  
• 　　[PDFBOX-3421] - Optimize float to string conversion in PDAbstractContentStream
  
• 　　[PDFBOX-3433] - Optimize image conversion in LosslessFactory
  
• 　　[PDFBOX-3442] - OOM for single page pdf file
  
• 　　[PDFBOX-3458] - Using RenderingMode with PDPageContentStream
  
• 　　[PDFBOX-3460] - Warn users not to use legacy code
  
• 　　[PDFBOX-3461] - Improve handling of line breaking characters when setting AcroForm field values
  
• 　　[PDFBOX-3484] - Implement some caching of PDImageXObject
  

　　New Feature

• 　　[PDFBOX-3410] - TextToPDF needs orientation control
  

　　Wish

• 　　[PDFBOX-3468] - ERROR: dash lengths all zero, ignored
  

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　　下载地址：

• 　　http://pdfbox.apache.org/download.cgi