Mercurial > hg > forks > geeqie
view src/jpeg_parser.h @ 2865:cb5326e72117
Ref #631: Compilation script for all distributions
https://github.com/BestImageViewer/geeqie/issues/631
Reference to all-distros script included in README.
Full list of dependencies still not included.
author | Colin Clark <colin.clark@cclark.uk> |
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date | Sun, 18 Nov 2018 17:38:10 +0000 |
parents | 95507e596256 |
children |
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/* * Copyright (C) 2004 John Ellis * Copyright (C) 2008 - 2016 The Geeqie Team * * Author: Vladimir Nadvornik * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef JPEG_PARSER_H #define JPEG_PARSER_H #define JPEG_MARKER 0xFF #define JPEG_MARKER_SOI 0xD8 #define JPEG_MARKER_EOI 0xD9 #define JPEG_MARKER_APP1 0xE1 #define JPEG_MARKER_APP2 0xE2 /* jpeg container format: all data markers start with 0XFF 2 byte long file start and end markers: 0xFFD8(SOI) and 0XFFD9(EOI) 4 byte long data segment markers in format: 0xFFTTSSSSNNN... FF: 1 byte standard marker identifier TT: 1 byte data type SSSS: 2 bytes in Motorola byte alignment for length of the data. This value includes these 2 bytes in the count, making actual length of NN... == SSSS - 2. NNN.: the data in this segment */ gboolean jpeg_segment_find(const guchar *data, guint size, guchar app_marker, const gchar *magic, guint magic_len, guint *seg_offset, guint *seg_length); typedef struct _MPOData MPOData; typedef struct _MPOEntry MPOEntry; struct _MPOEntry { guint type_code; gboolean representative; gboolean dependent_child; gboolean dependent_parent; guint offset; guint length; guint dep1; guint dep2; guint MPFVersion; guint MPIndividualNum; guint PanOrientation; double PanOverlap_H; double PanOverlap_V; guint BaseViewpointNum; double ConvergenceAngle; double BaselineLength; double VerticalDivergence; double AxisDistance_X; double AxisDistance_Y; double AxisDistance_Z; double YawAngle; double PitchAngle; double RollAngle; }; struct _MPOData { guint mpo_offset; guint version; guint num_images; MPOEntry *images; }; MPOData* jpeg_get_mpo_data(const guchar *data, guint size); void jpeg_mpo_data_free(MPOData *mpo); #endif /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */