bmgdll.h

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#ifndef _BMG_LIB_
#define _BMG_LIB_
/*
//  header file for the BMGLib DLL
//  This DLL encapsulates the libTIFF library, libJPEG library,
//  libPNG library, and the GeoTIFF library.
//
//  Copyright 2000, 2001 M. Scott Heiman
//  All Rights Reserved
//  libTIFF is Copyright Sam Leffler and SGI
//  libJPEG is Copyright (C) 1991-1998, Thomas G. Lane and is part of the
//      Independent JPEG Group's software.
//  libPNG is Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
//    (libpng versions 0.5, May 1995, through 0.89c, May 1996)
//    Copyright (c) 1996, 1997 Andreas Dilger
//    (libpng versions 0.90, December 1996, through 0.96, May 1997)
//    Copyright (c) 1998, 1999 Glenn Randers-Pehrson
//    (libpng versions 0.97, January 1998, through 1.0.5, October 15, 1999)
//  zLib Copyright (C) 1995-1998 Jean-loup Gailly.
//  GeoTIFF is Copyright (c) 1999, Frank Warmerdam
//  libPROJ (used by GeoTIFF) is Copytight (c) 2000, Frank Warmerdam
//  libUnGif is Copyright (c) 1997,  Eric S. Raymond
*/

#ifdef BUILD_BMG_DLL
#   define BMG_EXPORT __declspec( dllexport )
#else
#   define BMG_EXPORT
#endif

#include "BMGImage.h"
#include "tiffrw.h"
#include "pngrw.h"
#include "jpegrw.h"

#if defined(__cplusplus)
extern "C" {
#endif

/* returns a BITMAPINFO structure with the given height, width,
  bit count, and compression scheme.  This structure DOES NOT contain any
  palette information (bmiColors = NULL) */
extern
BITMAPINFO BMG_EXPORT CreateBMI( DWORD dwWidth,      /* width in pixels */
                                 DWORD dwHeight,     /* height in pixels */
                                 WORD wBitCount,     /* 1, 4, 8, 16, 24, & 32 */
                                 int compression );  /* biCompression value */

/* returns an array of RGBA values for all supported graphics file formats.
   The pixel format is supported by OpenGL */
extern
BMGError BMG_EXPORT GetUnpackedArray( const char *filename,
                                 unsigned int *width,
                                 unsigned int *height,
                                 unsigned char **bits );

/* Saves an array of RGB or RGBA values to a file.  The pixel format is
   supported by OpenGL */
extern
BMGError BMG_EXPORT SaveUnpackedArray( const char *filename,
                                  unsigned char bytes_per_pixel,
                                  unsigned int width,
                                  unsigned int height,
                                  unsigned char *bits );

/* saves the contents of an HBITMAP to a file.  The extension of the file name
// determines the file type.  returns 1 if successfull, 0 otherwise */
extern
BMGError BMG_EXPORT SaveBitmapToFile( HBITMAP hBitmap,      /* bitmap to be saved */
                                 const char *filename, /* name of output file */
                                 void *parameters );

/* extension of saving the contents of an HBITMAP to a file.
// The extension of the file name determines the file type.
// returns 1 if successfull, 0 otherwise */
extern
BMGError BMG_EXPORT SaveBitmapToFileEx( HBITMAP hBitmap,      /* bitmap to be saved */
                                 const char *filename, /* name of output file */
                                 void *parameters );

/* Creates an HBITMAP to an image file.  The extension of the file name
// determines the file type.  returns an HBITMAP if successfull, NULL
// otherwise */
extern
HBITMAP BMG_EXPORT CreateBitmapFromFile( const char *filename,
                                         void *parameters,
                                         int blend );

/* extracts a BMGImageStruct from any one of the supported image files */
extern 
BMGError BMG_EXPORT GetDataFromFile( const char *filename,
									 struct BMGImageStruct *img,
									 void *parameters );

/* the following functions will read/write image files using raw data */
extern
BMGError BMG_EXPORT ReadRGB( const char *filename,
                        struct BMGImageStruct *img );

extern
BMGError BMG_EXPORT WriteRGB( const char *filename,
                         struct BMGImageStruct img );

extern
BMGError BMG_EXPORT ReadTGA( const char *filename,
                        struct BMGImageStruct *img );

extern
BMGError BMG_EXPORT ReadBMP( const char *filename,
                        struct BMGImageStruct *img );

extern
BMGError BMG_EXPORT WriteBMP( const char *filename,
                         struct BMGImageStruct img );

extern
BMGError BMG_EXPORT ReadCEL( const char *filename,
                        struct BMGImageStruct *img );

extern
BMGError BMG_EXPORT ReadGIF( const char *filename,
                        struct BMGImageStruct *img );

#if defined(__cplusplus)
 }
#endif

#endif