Multipage File Formats

LEADTOOLS supports the following file formats that support multipage files:

ANZ (Read Only)

AFP (Read only)

Animated Cursor

Animated Gif

CALS3

CUR

DCX

DICOM (Read Only)

DOCX (Read Only)

DOC (Read Only)

XLSX (Read Only)

XLS (Read Only)

PPTX (Read Only)

PPT

EPUB (Read Only)

FITS (Read Only)

FlashPix

FLC

GIF

HTM

ICO (Windows Icon and PNG Compressed Icon)

IFF

JPM (Read Only)

IOCA/MODCA

MNG

MOBI

PCL (Read Only)

PCX

PDF

PDF/A

PNG

PS (Read Only)

PTOCA

RTF (Read Only)

SFF

TDB (Read Only)

TIFF/BigTIFF

TIFX

XPS

When loading a multipage file:

Multi-page files can be loaded more quickly using two mechanisms, as follows:

1. TIFF files can use the IFD (offset of each page). For more information about loading and saving large TIFF files more quickly, refer to Loading and Saving Large TIFF/BigTIFF Files.

2. Some file formats other than TIFF files can use a filter data mechanism. Retrieve the filter data by calling L_FileInfo with the FILEINFO_USEFILTERDATA flag. If the filter supports this mechanism, the filter data is returned by filling the pFilterData, uFilterDataSize and nFilter members of the FILEINFO structure. You then pass the filter data through LOADFILEOPTION structures to the load or convert functions and then free them with L_FreeFilterData when they are not needed anymore. See the Using Filter Data to Speed up Loading Large Files topic for more information.

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