diff options
Diffstat (limited to 'man/libtiff.3t')
| -rw-r--r-- | man/libtiff.3t | 75 |
1 files changed, 69 insertions, 6 deletions
diff --git a/man/libtiff.3t b/man/libtiff.3t index 411a4659..96430850 100644 --- a/man/libtiff.3t +++ b/man/libtiff.3t @@ -1,7 +1,7 @@ -.\" $Header: /usr/people/sam/tiff/man/RCS/libtiff.3t,v 1.23 1996/08/01 19:10:20 sam Exp $ +.\" $Header: /d1/sam/tiff/man/RCS/libtiff.3t,v 1.25 1997/08/29 21:48:21 sam Exp $ .\" -.\" Copyright (c) 1988-1995 Sam Leffler -.\" Copyright (c) 1991-1995 Silicon Graphics, Inc. +.\" Copyright (c) 1988-1997 Sam Leffler +.\" Copyright (c) 1991-1997 Silicon Graphics, Inc. .\" .\" Permission to use, copy, modify, distribute, and sell this software and .\" its documentation for any purpose is hereby granted without fee, provided @@ -23,7 +23,7 @@ .\" OF THIS SOFTWARE. .\" .if n .po 0 -.TH INTRO 3T "August 1, 1996" +.TH INTRO 3T "August 21, 1997" .SH NAME libtiff \- introduction to .IR libtiff , @@ -64,8 +64,10 @@ the 4-bit compression algorithm used by the .I ThunderScan program (32809) (decompression only), -NeXT's 2-bit compression algorithm (32766) (decompression only), and -an experimental LZ-style algorithm known as Deflate (32946). +NeXT's 2-bit compression algorithm (32766) (decompression only), +an experimental LZ-style algorithm known as Deflate (32946), and +an experimental CIE LogLuv compression scheme designed for images +with high dynamic range (32845 for LogL and 32845 for LogLuv). Directory information may be in either little- or big-endian byte order\-byte swapping is automatically done by the library. Data bit ordering may be either Most Significant Bit (\c @@ -301,6 +303,7 @@ SamplesPerPixel 277 R/W lots SMinSampleValue 340 R/W SMaxSampleValue 341 R/W Software 305 R/W +StoNits 37439 R/W StripByteCounts 279 R/W data i/o StripOffsets 273 R/W data i/o SubFileType 255 R/W called OSubFileType in spec @@ -342,6 +345,10 @@ TIFFTAG_FAXFILLFUNC G3/G4 R/W bitmap fill function TIFFTAG_JPEGQUALITY JPEG R/W compression quality control TIFFTAG_JPEGCOLORMODE JPEG R/W control colorspace conversions TIFFTAG_JPEGTABLESMODE JPEG R/W control contents of \fIJPEGTables\fP tag +TIFFTAG_ZIPQUALITY Deflate R/W compression quality level +TIFFTAG_PIXARLOGDATAFMT PixarLog R/W user data format +TIFFTAG_PIXARLOGQUALITY PixarLog R/W compression quality level +TIFFTAG_SGILOGDATAFMT SGILog R/W user data format .fi .TP .B TIFFTAG_FAXMODE @@ -403,6 +410,62 @@ and JPEGTABLESMODE_HUFF (include Huffman encoding tables). The default value is JPEGTABLESMODE_QUANT|JPEGTABLESMODE_HUFF. +.TP +.B TIFFTAG_ZIPQUALITY +Control the compression technique used by the Deflate codec. +Quality levels are in the range 1-9 with larger numbers yielding better +compression at the cost of more computation. +The default quality level is 6 which yields a good time-space tradeoff. +.TP +.B TIFFTAG_PIXARLOGDATAFMT +Control the format of user data passed +.I in +to the PixarLog codec when encoding and passed +.I out +from when decoding. +Possible values are: +PIXARLOGDATAFMT_8BIT +for 8-bit unsigned pixels, +PIXARLOGDATAFMT_8BITABGR +for 8-bit unsigned ABGR-ordered pixels, +PIXARLOGDATAFMT_11BITLOG +for 11-bit log-encoded raw data, +PIXARLOGDATAFMT_12BITPICIO +for 12-bit PICIO-compatible data, +PIXARLOGDATAFMT_16BIT +for 16-bit signed samples, +and +PIXARLOGDATAFMT_FLOAT +for 32-bit IEEE floating point samples. +.TP +.B TIFFTAG_PIXARLOGQUALITY +Control the compression technique used by the PixarLog codec. +This value is treated identically to TIFFTAG_ZIPQUALITY; see the +above description. +.TP +.B TIFFTAG_SGILOGDATAFMT +Control the format of client data passed +.I in +to the SGILog codec when encoding and passed +.I out +from when decoding. +Possible values are: +SGILOGDATAFMT_FLTXYZ +for converting between LogLuv and 32-bit IEEE floating valued XYZ pixels, +SGILOGDATAFMT_16BITLUV +for 16-bit encoded Luv pixels, +SGILOGDATAFMT_32BITRAW and SGILOGDATAFMT_24BITRAW +for no conversion of data, +SGILOGDATAFMT_8BITRGB +for returning 8-bit RGB data (valid only when decoding LogLuv-encoded data), +SGILOGDATAFMT_FLTY +for converting between LogL and 32-bit IEEE floating valued Y pixels, +SGILOGDATAFMT_16BITL +for 16-bit encoded L pixels, +and +SGILOGDATAFMT_8BITGRY +for returning 8-bit greyscale data +(valid only when decoding LogL-encoded data). .SH DIAGNOSTICS All error messages are directed through the .IR TIFFError |