PDF4Java 版本發佈

• PDF4Java
  • Some PDFPageSize predefined values are not correct.
  • Merged PDF file is displayed incorrectly after the fonts are merged.
  • Documents with page transparency groups cannot be loaded in partial mode.
  • Invisible signatures (zero size) have an appearance object.
• PDF4Java.Render
  • Page with invalid indexed colorspace cannot be rendered.

• PDF4Java
  • Move pages within the document.

• PDF4Java
  • Some 1bpp images are not redacted correctly.
• PDF4Java.Render
  • Text is not rendered correctly in some situations.

• PDF4Java
  • Text with bold & italic font is not wrapped correctly in some cases.
  • PDFFile.ExtractPage hangs indefinitely for some invalid PDF files.
  • New page cannot be added to some invalid PDF files.
  • RGB/CMYK/Gray page transforms drop the /Mask for converted images.
  • Text is clipped incorrectly in composite cells is some situations when MaxHeight has been set for a row.
  • Incremental updates invalidate previous signatures for some PDF files.
  • Files merged with PDFMerger do not display their attachments in Adobe Acrobat if their number is less than 32.
  • Image cannot be decoded if it references a recursive ICC colorspace.
  • Image cannot be decoded if it references a recursive indexed colorspace.
  • Image cannot be decoded if it references a recursive separation colorspace.
• PDF4Java.Render
  • Page cannot be rendered when it contains circular references in form XObject content.

• PDF4Java
  • Duplicate redacted images.
  • PDFFlowTableContent.MaxRowHeight and PDFFlowTableRow.MaxHeight properties to limit the maximum height of a row.

• PDF4Java
  • Some documents with invalid fields cannot be loaded.
  • Some text glyphs are not extracted correctly.
  • Hidden text is extracted with additional spaces.
  • Tiff images with multiple alpha channels are not handled correctly.
  • DataMatrix actual data encoding is not selected correctly in some cases, when DataEncoding is set to Auto.
  • AppendFile method hangs indefinitely for some input files with invalid fields.
  • Text cannot be extracted if it is stroked with a pattern color and filled with a non-pattern color.
• PDF4Java.Render
  • Page with damaged LZW encoded image is not rendered correctly.
  • Some pages with JPEG2000 images cannot be rendered.

• Create PDFRawImage objects from COS image streams.
• Added PDFDocumentFileAttachment.GetPayloadStream method for efficient access to large attachments.

• StructureTree cannot be loaded for some PDF files.

• Added support for PDFFowTableContent horizontal align.

• Fixed some 1bpp images which were not redacted correctly.

PDF4Java

• Added support for page transparency group.
• PDF/A-1 validation now checks the presence of page transparency group.

PDF4Java

• Colorspaces are not extracted from PDF file.

PDF4Java.Render

• Some text is not displayed because the backing TrueType font is invalid.
• Page with invalid font cannot be rendered, throws stack overflow exception.
• Text is not rendered correctly, characters are scrambled.

PDF4Java

• Field border definition is generated even if it is not stroked.
• An exception is thrown when a multiline textbox field does not have a size and a color is set on it.
• Some existing PDF files are resaved incorrectly.
• Some incremental updates are not performed correctly.

PDF4Java.Render

• Thin lines are rendered very faint at high resolution.