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#if (defined(_WIN32) || defined(__WIN32__))
#pragma pack(push, 1)
#else
#pragma pack(1)
#endif // WIN32

FI_STRUCT(FreeImageIO) {
	FI_ReadProc  read_proc;     //! pointer to the function used to read data
    FI_WriteProc write_proc;    //! pointer to the function used to write data
    FI_SeekProc  seek_proc;     //! pointer to the function used to seek
    FI_TellProc  tell_proc;     //! pointer to the function used to aquire the current position
};

#if (defined(_WIN32) || defined(__WIN32__))
#pragma pack(pop)
#else
#pragma pack()
#endif // WIN32

/**
Handle to a memory I/O stream
*/
FI_STRUCT (FIMEMORY) { void *data; };

#endif // FREEIMAGE_IO

// Plugin routines ----------------------------------------------------------

#ifndef PLUGINS
#define PLUGINS

typedef const char *(DLL_CALLCONV *FI_FormatProc)(void);
typedef const char *(DLL_CALLCONV *FI_DescriptionProc)(void);
typedef const char *(DLL_CALLCONV *FI_ExtensionListProc)(void);
typedef const char *(DLL_CALLCONV *FI_RegExprProc)(void);
typedef void *(DLL_CALLCONV *FI_OpenProc)(FreeImageIO *io, fi_handle handle, BOOL read);
typedef void (DLL_CALLCONV *FI_CloseProc)(FreeImageIO *io, fi_handle handle, void *data);
typedef int (DLL_CALLCONV *FI_PageCountProc)(FreeImageIO *io, fi_handle handle, void *data);
typedef int (DLL_CALLCONV *FI_PageCapabilityProc)(FreeImageIO *io, fi_handle handle, void *data);
typedef FIBITMAP *(DLL_CALLCONV *FI_LoadProc)(FreeImageIO *io, fi_handle handle, int page, int flags, void *data);
typedef BOOL (DLL_CALLCONV *FI_SaveProc)(FreeImageIO *io, FIBITMAP *dib, fi_handle handle, int page, int flags, void *data);
typedef BOOL (DLL_CALLCONV *FI_ValidateProc)(FreeImageIO *io, fi_handle handle);
typedef const char *(DLL_CALLCONV *FI_MimeProc)(void);
typedef BOOL (DLL_CALLCONV *FI_SupportsExportBPPProc)(int bpp);
typedef BOOL (DLL_CALLCONV *FI_SupportsExportTypeProc)(FREE_IMAGE_TYPE type);
typedef BOOL (DLL_CALLCONV *FI_SupportsICCProfilesProc)(void);
typedef BOOL (DLL_CALLCONV *FI_SupportsNoPixelsProc)(void);

FI_STRUCT (Plugin) {
	FI_FormatProc format_proc;
	FI_DescriptionProc description_proc;
	FI_ExtensionListProc extension_proc;
	FI_RegExprProc regexpr_proc;
	FI_OpenProc open_proc;
	FI_CloseProc close_proc;
	FI_PageCountProc pagecount_proc;
	FI_PageCapabilityProc pagecapability_proc;
	FI_LoadProc load_proc;
	FI_SaveProc save_proc;
	FI_ValidateProc validate_proc;
	FI_MimeProc mime_proc;
	FI_SupportsExportBPPProc supports_export_bpp_proc;
	FI_SupportsExportTypeProc supports_export_type_proc;
	FI_SupportsICCProfilesProc supports_icc_profiles_proc;
	FI_SupportsNoPixelsProc supports_no_pixels_proc;
};

typedef void (DLL_CALLCONV *FI_InitProc)(Plugin *plugin, int format_id);

#endif // PLUGINS


// Load / Save flag constants -----------------------------------------------

#define FIF_LOAD_NOPIXELS 0x8000	//! loading: load the image header only (not supported by all plugins, default to full loading)

#define BMP_DEFAULT         0
#define BMP_SAVE_RLE        1
#define CUT_DEFAULT         0
#define DDS_DEFAULT			0
#define EXR_DEFAULT			0		//! save data as half with piz-based wavelet compression
#define EXR_FLOAT			0x0001	//! save data as float instead of as half (not recommended)
#define EXR_NONE			0x0002	//! save with no compression
#define EXR_ZIP				0x0004	//! save with zlib compression, in blocks of 16 scan lines
#define EXR_PIZ				0x0008	//! save with piz-based wavelet compression
#define EXR_PXR24			0x0010	//! save with lossy 24-bit float compression
#define EXR_B44				0x0020	//! save with lossy 44% float compression - goes to 22% when combined with EXR_LC
#define EXR_LC				0x0040	//! save images with one luminance and two chroma channels, rather than as RGB (lossy compression)
#define FAXG3_DEFAULT		0
#define GIF_DEFAULT			0
#define GIF_LOAD256			1		//! load the image as a 256 color image with ununsed palette entries, if it's 16 or 2 color
#define GIF_PLAYBACK		2		//! 'Play' the GIF to generate each frame (as 32bpp) instead of returning raw frame data when loading
#define HDR_DEFAULT			0
#define ICO_DEFAULT         0
#define ICO_MAKEALPHA		1		//! convert to 32bpp and create an alpha channel from the AND-mask when loading
#define IFF_DEFAULT         0
#define J2K_DEFAULT			0		//! save with a 16:1 rate
#define JP2_DEFAULT			0		//! save with a 16:1 rate
#define JPEG_DEFAULT        0		//! loading (see JPEG_FAST); saving (see JPEG_QUALITYGOOD|JPEG_SUBSAMPLING_420)
#define JPEG_FAST           0x0001	//! load the file as fast as possible, sacrificing some quality
#define JPEG_ACCURATE       0x0002	//! load the file with the best quality, sacrificing some speed
#define JPEG_CMYK			0x0004	//! load separated CMYK "as is" (use | to combine with other load flags)
#define JPEG_EXIFROTATE		0x0008	//! load and rotate according to Exif 'Orientation' tag if available
#define JPEG_GREYSCALE		0x0010	//! load and convert to a 8-bit greyscale image
#define JPEG_QUALITYSUPERB  0x80	//! save with superb quality (100:1)
#define JPEG_QUALITYGOOD    0x0100	//! save with good quality (75:1)
#define JPEG_QUALITYNORMAL  0x0200	//! save with normal quality (50:1)
#define JPEG_QUALITYAVERAGE 0x0400	//! save with average quality (25:1)
#define JPEG_QUALITYBAD     0x0800	//! save with bad quality (10:1)
#define JPEG_PROGRESSIVE	0x2000	//! save as a progressive-JPEG (use | to combine with other save flags)
#define JPEG_SUBSAMPLING_411 0x1000		//! save with high 4x1 chroma subsampling (4:1:1) 
#define JPEG_SUBSAMPLING_420 0x4000		//! save with medium 2x2 medium chroma subsampling (4:2:0) - default value
#define JPEG_SUBSAMPLING_422 0x8000		//! save with low 2x1 chroma subsampling (4:2:2) 
#define JPEG_SUBSAMPLING_444 0x10000	//! save with no chroma subsampling (4:4:4)
#define JPEG_OPTIMIZE		0x20000		//! on saving, compute optimal Huffman coding tables (can reduce a few percent of file size)
#define JPEG_BASELINE		0x40000		//! save basic JPEG, without metadata or any markers
#define KOALA_DEFAULT       0
#define LBM_DEFAULT         0
#define MNG_DEFAULT         0
#define PCD_DEFAULT         0