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43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
21 years ago
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// The following ifdef block is the standard way of creating macros which make exporting
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// from a DLL simpler. All files within this DLL are compiled with the EXIVSIMPLE_EXPORTS
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// symbol defined on the command line. this symbol should not be defined on any project
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// that uses this DLL. This way any other project whose source files include this file see
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// EXIVSIMPLE_API functions as being imported from a DLL, whereas this DLL sees symbols
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// defined with this macro as being exported.
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#ifdef EXIVSIMPLE_EXPORTS
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#define EXIVSIMPLE_API __declspec(dllexport)
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#else
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#define EXIVSIMPLE_API __declspec(dllimport)
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#endif
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DECLARE_HANDLE (HIMAGE);
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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// These types should match those in types.hpp. For all of the functions
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// that take a type, passing invalidTypeId causes the type to be guessed.
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// Guessing types is accurate for IPTC but not for EXIF.
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enum DllTypeId { invalidTypeId, unsignedByte, asciiString, unsignedShort,
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unsignedLong, unsignedRational, invalid6, undefined,
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signedShort, signedLong, signedRational,
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string, date, time,
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lastTypeId };
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typedef bool (CALLBACK* METAENUMPROC)(const char *key, const char *value, void *user);
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EXIVSIMPLE_API HIMAGE OpenImage(const char *file);
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EXIVSIMPLE_API void FreeImage(HIMAGE img);
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EXIVSIMPLE_API int SaveImage(HIMAGE img);
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EXIVSIMPLE_API int ReadMeta(HIMAGE img, const char *key, char *buff, int buffsize);
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EXIVSIMPLE_API int EnumMeta(HIMAGE img, METAENUMPROC proc, void *user);
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EXIVSIMPLE_API int AddMeta(HIMAGE img, const char *key, const char *val, DllTypeId type);
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EXIVSIMPLE_API int ModifyMeta(HIMAGE img, const char *key, const char *val, DllTypeId type);
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EXIVSIMPLE_API int RemoveMeta(HIMAGE img, const char *key);
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#ifdef __cplusplus
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}
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#endif
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