Ivan Baravy
e049b4d610
read lzw-encoded tiff images handle predictor tag in tiff files git-svn-id: svn://kolibrios.org@2992 a494cfbc-eb01-0410-851d-a64ba20cac60
101 lines
3.7 KiB
HTML
101 lines
3.7 KiB
HTML
;;================================================================================================;;
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;;//// tiff.inc //// (c) dunkaist, 2011-2012 /////////////////////////////////////////////////////;;
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;;================================================================================================;;
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;; ;;
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;; This file is part of Common development libraries (Libs-Dev). ;;
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;; ;;
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;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
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;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
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;; of the License, or (at your option) any later version. ;;
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;; ;;
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;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
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;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
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;; Lesser General Public License for more details. ;;
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;; ;;
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;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
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;; If not, see <http://www.gnu.org/licenses/>. ;;
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;; ;;
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;;================================================================================================;;
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struct tiff_header
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magic_1 rw 1
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magic_2 rw 1
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first_IFD rd 1
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ends
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struct tiff_extra
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image_width rd 1 ; SHORT or LONG
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image_height rd 1 ; SHORT or LONG
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bits_per_sample rd 1 ; SHORT
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samples_per_pixel rd 1 ; SHORT
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compression rd 1 ; SHORT
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photometric rd 1 ; SHORT
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offsets_number rd 1
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strip_offsets rd 1 ; SHORT or LONG
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strip_offsets_length rd 1
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rows_per_strip rd 1 ; SHORT or LONG
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strip_byte_counts rd 1 ; LONG or SHORT
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strip_byte_counts_length rd 1
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palette rd 1 ; SHORT
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palette_size rd 1 ; in colors, not samples
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extra_samples rd 1 ; pointer to array of SHORTs
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extra_samples_number rd 1
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predictor rd 1 ; SHORT
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ends
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TIFF.IFDE_TYPE.BYTE = 1
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TIFF.IFDE_TYPE.ASCII = 2
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TIFF.IFDE_TYPE.SHORT = 3
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TIFF.IFDE_TYPE.LONG = 4
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TIFF.IFDE_TYPE.RATIONAL = 5
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TIFF.IFDE_TYPE.SBYTE = 6
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TIFF.IFDE_TYPE.UNDEFINED = 7
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TIFF.IFDE_TYPE.SSHORT = 8
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TIFF.IFDE_TYPE.SLONG = 9
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TIFF.IFDE_TYPE.SRATIONAL = 10
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TIFF.IFDE_TYPE.FLOAT = 11
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TIFF.IFDE_TYPE.DOUBLE = 12
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TIFF.IFDE_TYPE_LENGTH.BYTE = 1
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TIFF.IFDE_TYPE_LENGTH.ASCII = 1
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TIFF.IFDE_TYPE_LENGTH.SHORT = 2
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TIFF.IFDE_TYPE_LENGTH.LONG = 4
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TIFF.IFDE_TYPE_LENGTH.RATIONAL = 8
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TIFF.IFDE_TYPE_LENGTH.SBYTE = 1
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TIFF.IFDE_TYPE_LENGTH.UNDEFINED = 1
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TIFF.IFDE_TYPE_LENGTH.SSHORT = 2
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TIFF.IFDE_TYPE_LENGTH.SLONG = 4
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TIFF.IFDE_TYPE_LENGTH.SRATIONAL = 8
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TIFF.IFDE_TYPE_LENGTH.FLOAT = 4
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TIFF.IFDE_TYPE_LENGTH.DOUBLE = 8
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TIFF.COMPRESSION.UNCOMPRESSED = 1
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TIFF.COMPRESSION.CCITT1D = 2
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TIFF.COMPRESSION.GROUP3FAX = 3
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TIFF.COMPRESSION.GROUP4FAX = 4
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TIFF.COMPRESSION.LZW = 5
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TIFF.COMPRESSION.JPEG = 6
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TIFF.COMPRESSION.PACKBITS = 32773
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TIFF.PHOTOMETRIC.WHITE_IS_ZERO = 0
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TIFF.PHOTOMETRIC.BLACK_IS_ZERO = 1
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TIFF.PHOTOMETRIC.RGB = 2
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TIFF.PHOTOMETRIC.RGB_PALETTE = 3
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TIFF.PHOTOMETRIC.MASK = 4
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TIFF.PHOTOMETRIC.CMYK = 5
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TIFF.PHOTOMETRIC.YCbCr = 6
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TIFF.PHOTOMETRIC.CIELAB = 8
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macro lodsw_
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{
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stdcall tiff._.get_word, [_endianness]
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}
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macro lodsd_
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{
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stdcall tiff._.get_dword, [_endianness]
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}
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