Detailed information

The following section contains some additional information about the file formats which are to be supported.

Please note that these filters are "native filters", i.e. they work without the relevant original application. Therefore variations in the display are possible in the display, as well a loss of information in the PDF file.

Microsoft Word (*.doc)

Version 6 through version XP

Microsoft Excel (*.xls)

Biff 8 format

Version 97, 2000 and XP

Adobe PDF (*.pdf)

All versions through 1.6

Microsoft RTF

All specifications up to and including 1.7

JPEG (*.jpg; *.jpeg)

byte orders: little endian, big endian

sample sizes: 8 bits per sample

color spaces: grayscale, RGB

compression formats: baseline (standard), baseline optimized (progressive)

Portable network graphic images (*.png)

byte order: big endian

sample sizes: 1, 2, 4, 8, 16 bits per sample

color spaces: indexed, grayscale (alpha), RGB(A)

compression format: LZ77

specials: supported chunks: IHDR, IDAT, IEND, PLTE, gAMA, tRNS, bKGD

transparency support partially for RGB, which is stored as 32 bits format

TIFF images (*.tif; *.tiff)

byte orders: little endian, big endian

sample sizes: 1, 2, 4, 8, 16 bits per sample

color spaces: indexed, grayscale, RGB(A), CMYK, L*a*b*

compression formats: uncompressed, packed bits, LZW, CCITT T.4 (raw and modified fax group 3, possibly word aligned), ThunderScan, Deflate, new style JPEG

GFI fax images (*.fax)

sample size: 1 bits per sample

color space: indexed

compression format: CCITT T.4 (raw and modified fax group 3)

Truevision images (*.tga)

byte order: little endian

sample sizes: 5, 8 bits per sample

color spaces: gray scale, indexed, 15 bits RGB (555), 24 bits RGB(A)(888)

compression formats: uncompressed, RLE

ZSoft Paintbrush images (*.pcx)

byte order: little endian

sample sizes: 1, 2, 4, 8 bits per sample

color spaces: gray scale, indexed, RGB

compression formats: uncompressed, RLE

Kodak Photo-CD images (*.pcd)

byte order: little endian

samples size: 8 bits per sample

color space: YCbCr

compression: PCD Huffmann

specials: sizes: all resolutions, from 192 x 128 up to 6144 x 4096 (64 Base vaporware)

rotated: clockwise and counter-clockwise

CompuServe images (*.gif)

byte order: little endian

sample sizes: 1, 4, 8 bits per sample

color spaces: indexed

compression format: LZW

special:interlaced, non-interlaced

Standard Windows bitmap images (*.bmp)

byte order: little endian

sample sizes: 1, 4, 8 bits per sample

color spaces: indexed, RGB(A)

compression formats: uncompressed, RLE

specials: OS/2 bitmap format

Photoshop images (*.psd, *.pdd)

byte order: big endian

sample sizes: 1, 8, 16 bits per sample

color spaces: indexed, RGB, CMYK, CIE L*a*b*

compression formats: uncompressed, packed bits

special: duo tone

Paintshop Pro images (*.psp)

byte order: little endian

sample sizes: 1, 4, 8 bits per sample

color spaces: indexed, gray scale, RGB

compression formats: uncompressed, LZ77

Windows Enhanced Meta File (*.emf; *.wmf)

Windows Metafile (WMF) and Enhanced Metafile (EMF) are the native file formats used by Microsoft Windows

device-independent graphic exchange format

16 bit and 32 bit versions