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src/Source/FreeImage/PluginTIFF.cpp  view on Meta::CPAN

// ==========================================================
// TIFF Loader and Writer
//
// Design and implementation by 
// - Floris van den Berg (flvdberg@wxs.nl)
// - Hervé Drolon (drolon@infonie.fr)
// - Markus Loibl (markus.loibl@epost.de)
// - Luca Piergentili (l.pierge@terra.es)
// - Detlev Vendt (detlev.vendt@brillit.de)
// - Mihail Naydenov (mnaydenov@users.sourceforge.net)
//
// This file is part of FreeImage 3
//
// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
// THIS DISCLAIMER.
//
// Use at your own risk!
// ==========================================================

#ifdef _MSC_VER 
#pragma warning (disable : 4786) // identifier was truncated to 'number' characters
#endif

#ifdef unix
#undef unix
#endif
#ifdef __unix
#undef __unix
#endif

#include "FreeImage.h"
#include "Utilities.h"
#include "../LibTIFF4/tiffiop.h"
#include "../Metadata/FreeImageTag.h"
#include "../OpenEXR/Half/half.h"

#include "FreeImageIO.h"
#include "PSDParser.h"

// --------------------------------------------------------------------------
// GeoTIFF profile (see XTIFF.cpp)
// --------------------------------------------------------------------------
void XTIFFInitialize();
BOOL tiff_read_geotiff_profile(TIFF *tif, FIBITMAP *dib);
BOOL tiff_write_geotiff_profile(TIFF *tif, FIBITMAP *dib);

// --------------------------------------------------------------------------
// TIFF Exif profile (see XTIFF.cpp)
// ----------------------------------------------------------
BOOL tiff_read_exif_tags(TIFF *tif, TagLib::MDMODEL md_model, FIBITMAP *dib);
BOOL tiff_write_exif_tags(TIFF *tif, TagLib::MDMODEL md_model, FIBITMAP *dib);

// --------------------------------------------------------------------------
//   LogLuv conversion functions interface (see TIFFLogLuv.cpp)
// --------------------------------------------------------------------------
void tiff_ConvertLineXYZToRGB(BYTE *target, BYTE *source, double stonits, int width_in_pixels);
void tiff_ConvertLineRGBToXYZ(BYTE *target, BYTE *source, int width_in_pixels);

// ----------------------------------------------------------

/** Supported loading methods */
typedef enum {
	LoadAsRBGA			= 0, 
	LoadAsCMYK			= 1, 
	LoadAs8BitTrns		= 2, 
	LoadAsGenericStrip	= 3, 
	LoadAsTiled			= 4,
	LoadAsLogLuv		= 5,
	LoadAsHalfFloat		= 6
} TIFFLoadMethod;

// ----------------------------------------------------------
//   local prototypes
// ----------------------------------------------------------

static tmsize_t _tiffReadProc(thandle_t handle, void* buf, tmsize_t size);
static tmsize_t _tiffWriteProc(thandle_t handle, void* buf, tmsize_t size);
static toff_t _tiffSeekProc(thandle_t handle, toff_t off, int whence);
static int _tiffCloseProc(thandle_t fd);
static int _tiffMapProc(thandle_t fd, void** pbase, toff_t* psize);
static void _tiffUnmapProc(thandle_t fd, void* base, toff_t size);

static uint16 CheckColormap(int n, uint16* r, uint16* g, uint16* b);
static uint16 GetPhotometric(FIBITMAP *dib);

static void ReadResolution(TIFF *tiff, FIBITMAP *dib);
static void WriteResolution(TIFF *tiff, FIBITMAP *dib);