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src/Source/FreeImage.h  view on Meta::CPAN

/**
  Metadata models supported by FreeImage
*/
FI_ENUM(FREE_IMAGE_MDMODEL) {
	FIMD_NODATA			= -1,
	FIMD_COMMENTS		= 0,	//! single comment or keywords
	FIMD_EXIF_MAIN		= 1,	//! Exif-TIFF metadata
	FIMD_EXIF_EXIF		= 2,	//! Exif-specific metadata
	FIMD_EXIF_GPS		= 3,	//! Exif GPS metadata
	FIMD_EXIF_MAKERNOTE = 4,	//! Exif maker note metadata

src/Source/FreeImage.h  view on Meta::CPAN

};

/**
  Handle to a metadata model
*/
FI_STRUCT (FIMETADATA) { void *data; };

/**
  Handle to a FreeImage tag
*/
FI_STRUCT (FITAG) { void *data; };

src/Source/FreeImage.h  view on Meta::CPAN

// RescaleEx options ---------------------------------------------------------
// Constants used in FreeImage_RescaleEx

#define FI_RESCALE_DEFAULT			0x00    //! default options; none of the following other options apply
#define FI_RESCALE_TRUE_COLOR		0x01	//! for non-transparent greyscale images, convert to 24-bit if src bitdepth <= 8 (default is a 8-bit greyscale image). 
#define FI_RESCALE_OMIT_METADATA	0x02	//! do not copy metadata to the rescaled image


#ifdef __cplusplus
extern "C" {
#endif

src/Source/FreeImage.h  view on Meta::CPAN

DLL_API BOOL DLL_CALLCONV FreeImage_SetTagCount(FITAG *tag, DWORD count);
DLL_API BOOL DLL_CALLCONV FreeImage_SetTagLength(FITAG *tag, DWORD length);
DLL_API BOOL DLL_CALLCONV FreeImage_SetTagValue(FITAG *tag, const void *value);

// iterator
DLL_API FIMETADATA *DLL_CALLCONV FreeImage_FindFirstMetadata(FREE_IMAGE_MDMODEL model, FIBITMAP *dib, FITAG **tag);
DLL_API BOOL DLL_CALLCONV FreeImage_FindNextMetadata(FIMETADATA *mdhandle, FITAG **tag);
DLL_API void DLL_CALLCONV FreeImage_FindCloseMetadata(FIMETADATA *mdhandle);

// metadata setter and getter
DLL_API BOOL DLL_CALLCONV FreeImage_SetMetadata(FREE_IMAGE_MDMODEL model, FIBITMAP *dib, const char *key, FITAG *tag);
DLL_API BOOL DLL_CALLCONV FreeImage_GetMetadata(FREE_IMAGE_MDMODEL model, FIBITMAP *dib, const char *key, FITAG **tag);
DLL_API BOOL DLL_CALLCONV FreeImage_SetMetadataKeyValue(FREE_IMAGE_MDMODEL model, FIBITMAP *dib, const char *key, const char *value);