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authorscuri <scuri>2008-10-17 06:10:15 +0000
committerscuri <scuri>2008-10-17 06:10:15 +0000
commit5a422aba704c375a307a902bafe658342e209906 (patch)
tree5005011e086bb863d8fb587ad3319bbec59b2447 /src/libexif/exif-utils.h
First commit - moving from LuaForge to SourceForge
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diff --git a/src/libexif/exif-utils.h b/src/libexif/exif-utils.h
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+/* 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__ */