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Topic: Ascii85

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	Intoduction to Binary encoding - Base64, ASCII85 etc
		i think there's a problem / error with the part about ascii85 in that binaryencoding.pdf document.
		&Iascii85 chars in the example.
		> > &Iascii85 chars in the example.
	www.webservertalk.com /message49082.html (776 words)

	man: ascii85 (Site not responding. Last check: 2007-10-15)
		The command ascii85 is one of several data encodings provided by the package trf.
		This encoding transforms every block of four bytes into the Ascii85 representation as defined in the 'Postscript Reference Manual' (2nd Edition, section 3.13, page 129).
		It should be noted that this ability to immediately read from and/or write to a channel is an historic artifact which was introduced at the beginning of Trf's life when Tcl version 7.6 was current as this and earlier versions have trouble to deal with \0 characters embedded into either input or out- put.
	www.hmug.org /man/n/ascii85.php (592 words)

	Ascii85 - Wikipedia, the free encyclopedia
		Ascii85 is a form of binary to text encoding developed by Adobe Systems.
		Binary Encoding Whitepaper (contains Ascii85 algorithm and procedure)
		This page was last modified 16:07, 24 November 2006.
	en.wikipedia.org /wiki/Ascii85 (388 words)

	[magick-users] PostScript level 2 support (Site not responding. Last check: 2007-10-15)
		Raster image data may be stored as binary, hex, or ascii85 encoded blobs inside a postscript file.
		The trick may be to select a compression scheme and postscript level at which imageMagick does not create binary files, but uses either hex or ascii85 compression.
		It always creates ascii85 encoded postscript files exactly because of these reasons.
	www.imagemagick.org /pipermail/magick-users/2004-February/011989.html (380 words)

	Import: include and place common file types in direct PostScript
		The inlining needs no format conversion beyond perhaps ASCII85 armoring, which is nothing but a PostScript one-liner that can be run in the previewer and requires no other program, regardless of the type of the imported file.
		ASCII85 is a completely reversible transformation from which the exact original file can be recreated at any time, again with a simple line of PostScript.
		To write or maintain such code by hand is tedious and error-prone: you could not just replace the ASCII85'd image data with an updated version after cropping or resizing the file, without the risk of forgetting to update some of the copies of its dimensions.
	www.anastigmatix.net /postscript/Import.html (5910 words)

	Systems Labs: Adobe Photoshop
		Users who are interested in raising their quota limit should speak to a consultant.
		Photoshop CS2, which is installed in the labs, defaults to the ASCII85 encoding method and does not require you to make changes before sending a job to the printer.
		Failure to use the right encoding method may result in the loss of money from your account, extended time to print for all users, jammed printers, error messages, and pages of gibberish or no printed pages at all.
	sweb.uky.edu /systemslabs/docs/photoshop.html (935 words)

	[Bug-gs] RE : ASCII85-Decoding: Wrong Odds??
		I just felt this was an interesting problem and had a look at it.
		According to the ASCII85 spec, we subtract 33 from each byte, resulting in 31 27 12 39.
		Since we only have a partial block, we should add 5-n zeros, where n is the number of bytes in the partial block.
	www.ghostscript.com /pipermail/bug-gs/2002-February/001100.html (807 words)

	Choosing a print encoding method
		ASCII85 is a text encoding for binary data that is more compact than ASCII encoding.
		Some print spooler programs, computer networks, and third-party printer drivers don't support files that are binary or JPEG-encoded, and some PostScript output devices accept binary and JPEG-encoded image data only through their AppleTalk and Ethernet ports, not their parallel or serial ports.
		However, ASCII85 files contain about twice as many characters and require about twice as much time to transfer as binary files.
	www.pdesigner.net /photoshopcs/1_21_6_6.html (201 words)

	pnmtops(1): convert PNM image to PostScript - Linux man page
		With the -ascii85 option, pnmtops uses 'ascii85' encoding instead.
		But ascii85 is not available in Postscript Level 1, whereas asciihex is.
		The custom code can't do flate or ascii85 encoding, so you must use -psfilter if you want those (see -flate, -ascii85).
	www.die.net /doc/linux/man/man1/pnmtops.1.html (1775 words)

	A new encoding of binary files: pebwa!
		Accoding a White Paper on Binary Encoding the Base85 algorithm (dubbed Ascii85 by Adobe) is the most effective encoder.
		There is an Ascii85() function for AutoHotkey already.
		Perhaps Ascii85 is better here, I have to complete these measures.
	www.autohotkey.com /forum/topic9021.html (1625 words)

	LibTiff Mailing List Archive, "ASCII85 encoding in tiff2ps (incl. source code)", by Andreas Vogel
		In all level2 PostScript implementations (including the current version of ghostscript) there is also a filter named ASCII85.
		Therefore, instead of encoding in HEX the ASCII85 encoding saves a huge amount of bytes.
		I've implemented the ASCII85 encoding in the program tiff2ps and it works fine.
	www.asmail.be /msg0054845929.html (344 words)

	Mailgate: comp.text.pdf: Re: unrecognized token in ASCII85 encoded data?
		I have chosen to encode my streams with an ASCII85 > >encoder, but I get the infamous "an unrecognized token '' was found" > >message.
		Re: unrecognized token in ASCII85 encode, Aandi Inston
		unrecognized token in ASCII85 encoded da, Peter Villadsen
	mailgate.supereva.it /comp/comp.text.pdf/msg23860.html (255 words)

	Advanced Sampler is a very fast OPI downsampler
		File hooking: AdvancedSampler hooks the file system and therefore knows immediately which files to sample.
		EPS: DCS1, DCS2; single and multi file, fl & white grayscale, Palette, CIE Lab, RGB, CMYK, Multi Channel / Hi-Fi color spaces, JPEG, LZW, PackBits, modified Huffmann, CCITT Fax (G3+G4), RLE, ASCII, ASCII85, with and without TIFF and PICT previews
		Alpha Channel Handling: can add Alpha Channels of hi-res images to TIFF samples or TIFF previews of EPS files, so that the clipping paths are visible on the screen when using the samples
	www.cyansoftware.com /AdvancedSampler.htm (1001 words)

	[No title]
		The old feature of automatically rotating images to landscape mode if width > height can be reactivated with the new command line option "-a" (auto rotate) - Changed the ASCII85 output routine in order to avoid two consecutive percent characters at the beginning of a line.
		Its functionality will be contained in the forthcoming PDFlib C library and some library client programs.
		This is a wrapper for conventional command-line driven Unix programs which gives some sort of drag-and-drop support.
	www.tex.ac.uk /tex-archive/support/jpeg2ps/jpeg2ps.txt (2042 words)

	image to postscript bake-off
		Level 2 introduced the more efficient ASCII85 encoding scheme, where every four bytes of data were represented with five printable ASCII characters (versus using eight with hex encoding — a 37% savings).
		Since this is a logo with lots of constant color areas, run-length encoding (level 2) or zlib compression (level 3) does the rest.
		Here we have a 256-color image so a palette representation is used, but pixel values themselves don't compress so well as with the GIFs.
	imgtops.sourceforge.net /bakeoff (596 words)

	[No title] (Site not responding. Last check: 2007-10-15)
		Output modes ============ By default, jpeg2ps sends the image data in ASCII85 encoded form which is suitable for any communication channel (serial, parallel or whatever).
		If you are sure that your channel is truly 8-bit clean, you can force 8-bit data with the -b option.
		Using the -h option, jpeg2ps generates 7-bit clean data by using ASCIIHex encoding instead of the more space-efficient ASCII85 encoding.
	www.ifh.ee.ethz.ch /sepp/jpeg2ps-1.5-st/jpeg2ps.txt (1403 words)

	[reportlab-users] Wrong order of Filters in page streams (Site not responding. Last check: 2007-10-15)
		Turns out that it is compressed (the large size is mainly due to some of the embedded graphics having complex gradients) but the order of the filters is a bit strange: % page stream << /Filter [ /FlateDecode /ASCII85Decode ] /Length 16339 >> stream followed by lots of binary bytes.
		it was created by first ASCII85 encoding it and then compressing it).
		If the stream is ASCII85 encoded at some point it should happen after the compression so that the PDF contains only ASCII data.
	two.pairlist.net /pipermail/reportlab-users/2002-July/000120.html (270 words)

	TIFF ps exporter patch
		This just serves + * to fix an eye-nuisance where the first line of raw + * data was one character shorter than subsequent lines.
		The advantage of + * using this routine is that tiff2ps will convert to ASCII85 + * encoding at between 3 and 4 times the speed as compared to + * using the old (non-experimental) encoder.
		Note + * that it is allocated with sufficient room to hold the + * encoded data (5chunk_size/4) plus the EOD marker (+8) + and formatting line breaks.
	mail.gnome.org /archives/evince-list/2005-July/msg00003.html (1687 words)

	man: trf (Site not responding. Last check: 2007-10-15)
		Encodings The encoding commands either take some data and return the same data in encoded form, or take encoded data and return a decoded result.
		[1] oct [2] hex [3] oct [4] base64 [5] uuencode [6] ascii85 [7] otp_words [8] quoted-printable Message Digests The second category are message digests in general, simple ones like crc, and cryptographically strong algorithms like md5.
		adler, ascii85, base64, bz2, crc, crc-zlib, crypt, haval, hex, md2, md5, md5_otp, md5crypt, oct, otp_words, quoted-printable, ripemd-128, ripemd-160, rs_ecc, sha, sha1, sha1_otp, transform, uuencode, zip
	www.hmug.org /man/n/trf.php (350 words)

	System for downloading fonts - Patent 6252671
		The apparatus of claim 20, wherein the code for font downloading encodes the font using ASCII85 encoding.
		A computer readable medium with instructions for transmitting a font available on a computer to an output device supporting a page description language, said page description language having a download format, said font having a character set and characterized by a plurality of glyphs, comprising:
		The compression may be performed by encoding the font as ASCII85 encoding.
	www.freepatentsonline.com /6252671.html (6165 words)

	CMGetPS2ColorRenderingDictionary
		On return, the variable contains the number of bytes actually copied to the buffer.
		If its value is TRUE, data returned could be binary, or if FALSE, the data should be ASCII85 encoded.
		On return, the value pointed to by lpbBinary indicates whether the data returned actually is binary or ASCII85.
	msdn.microsoft.com /library/en-us/icm/icm_1czd.asp?frame=true (340 words)

	PSDriver.h Source File
		Out must be at least 1.75*inlength rounded up to 00464 // a multiple of 5 bytes long.
		00638 // ascii85 data encoded as ASCII85 chars.
		00640 void emitImage(const float matrix[6], 00641 const int width, const int height, const int bpc, 00642 const int smooth, const char *ascii85, const int len, 00643 const ColorSpace=INDEXED); 00644 // Load color tables with contents of a, b and c.
	www.aoc.nrao.edu /~ddebonis/doxygen/prototype/PSDriver_8h-source.html (3169 words)

	GetPS2ColorSpaceArray (Site not responding. Last check: 2007-10-15)
		If set to TRUE, the data copied could be binary.
		If set to FALSE, data should be encoded as ASCII85.
		On return, the memory location pointed to by pbBinary indicates whether the data returned actually is binary (TRUE) or ASCII85 (FALSE).
	msdn.microsoft.com /library/en-us/icm/icm_7iux.asp?frame=true (304 words)

	/* Rambling comments... */: Quote of the week
		I don't think I've ever been disagreed with in Japanese before »
		Found, via a rather strange route from Jeff Atwood's recent piece on ASCII armor and ASCII85.
		Jeff points out that you can represent a GUID in 20 printable ASCII characters using ASCII85.
	www.lenholgate.com /archives/000535.html (110 words)

	[Bug-gs] ASCII85-Decoding: Wrong Odds??
		------------------------------------------------------------------------ Symptoms: End of ASCII85 Strings is wrong.
		On the other hand, I don't believe, my customer is the first on earth testing ascii85.
		Is there an encoding error in the teststring (which I can't help) or some other switches?
	www.ghostscript.com /pipermail/bug-gs/2002-January/000952.html (219 words)

	[reportlab-users] Wrong order of Filters in page streams (Site not responding. Last check: 2007-10-15)
		it was created by first ASCII85 > > > encoding it and then compressing it).
		The PDF that reportlab generated before the patch was valid PDF and did contain what it said, a stream that has to be flate-decoded and then ASCII85 decoded.
		It's just that if it's done in this order the ASCII85 is completely unnecessary and just increases the file size.
	two.pairlist.net /pipermail/reportlab-users/2002-July/000193.html (215 words)

	Unable to reopen EPS from CS in PS7
		When we save our EPS from within PSCS with ASCII85 encoding‚; our client
		PS 7 didn't understand ASCII85 encoding‚; use ASCII or binary instead·
		If your RIP can't handle it‚ then it is probably trying to read the image data without parsing the PostScript correctly (let me guess: Scitex?)·
	www.photographytalk.net /viewtopic-90847.html (252 words)

	PDF Scanning Support
		Only links with a /Launch or /URI action are currently supported.
		Only Flate and ASCII85 stream filters are supported.
		The old LZW compression filter is not supported.
	www.phdcc.com /fiscd/pdfsupp.htm (856 words)

	PDFTron - PDFNet User Manual
		For example, a given stream may be compressed using JPEG (DCTDecode) compression and encoded using ASCII85 into a ASCII stream.
		When GetDecodedStream() is invoked on this SDF stream, it will return the last filter in the chain that contains three filters (file segment input filter, DCTDecode, and ASCII85Decode Filter respectively).
		Output filters can also be chained in order to compress and transform data (e.g.
	www.pdftron.com /net/usermanual.html (9779 words)

	Prepare images to place in page layout programs
		EPS Options dialog box (Windows): set Preview to TIFF (8 bits/pixel) and Encoding to ASCII85.
		EPS Options dialog box (Mac OS): set Preview to Mac (8 bits/pixel) and Encoding to ASCII85.
		If the layout program displays transparent areas as white, try printing the document.
	www.pdesigner.net /photoshopcs/1_1_5_2.html (393 words)

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