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Diffstat (limited to 'src/libexif/exif-utils.h')
-rw-r--r-- | src/libexif/exif-utils.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/libexif/exif-utils.h b/src/libexif/exif-utils.h new file mode 100644 index 0000000..a75db0b --- /dev/null +++ b/src/libexif/exif-utils.h @@ -0,0 +1,81 @@ +/* exif-utils.h + * + * Copyright © 2001 Lutz Müller <lutz@users.sourceforge.net> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __EXIF_UTILS_H__ +#define __EXIF_UTILS_H__ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#include <libexif/exif-byte-order.h> +#include <libexif/exif-format.h> +#include <libexif/_stdint.h> + + +/* If these definitions don't work for you, please let us fix the + * macro generating _stdint.h */ + +typedef char ExifByte; /* 1 byte */ +typedef char * ExifAscii; +typedef uint16_t ExifShort; /* 2 bytes */ +typedef int16_t ExifSShort; /* 2 bytes */ +typedef uint32_t ExifLong; /* 4 bytes */ +typedef struct {ExifLong numerator; ExifLong denominator;} ExifRational; +typedef char ExifUndefined; /* 1 byte */ +typedef int32_t ExifSLong; /* 4 bytes */ +typedef struct {ExifSLong numerator; ExifSLong denominator;} ExifSRational; + + +ExifShort exif_get_short (const unsigned char *b, ExifByteOrder order); +ExifSShort exif_get_sshort (const unsigned char *b, ExifByteOrder order); +ExifLong exif_get_long (const unsigned char *b, ExifByteOrder order); +ExifSLong exif_get_slong (const unsigned char *b, ExifByteOrder order); +ExifRational exif_get_rational (const unsigned char *b, ExifByteOrder order); +ExifSRational exif_get_srational (const unsigned char *b, ExifByteOrder order); + +void exif_set_short (unsigned char *b, ExifByteOrder order, + ExifShort value); +void exif_set_sshort (unsigned char *b, ExifByteOrder order, + ExifSShort value); +void exif_set_long (unsigned char *b, ExifByteOrder order, + ExifLong value); +void exif_set_slong (unsigned char *b, ExifByteOrder order, + ExifSLong value); +void exif_set_rational (unsigned char *b, ExifByteOrder order, + ExifRational value); +void exif_set_srational (unsigned char *b, ExifByteOrder order, + ExifSRational value); + +/* Please do not use this function outside of the library. */ +void exif_array_set_byte_order (ExifFormat, unsigned char *, unsigned int, + ExifByteOrder o_orig, ExifByteOrder o_new); + +#undef MIN +#define MIN(a, b) (((a) < (b)) ? (a) : (b)) + +/* For compatibility with older versions */ +#define EXIF_TAG_SUBSEC_TIME EXIF_TAG_SUB_SEC_TIME + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __EXIF_UTILS_H__ */ |