// Copyright (c) 2005-2008 ASCLEPIOS Project, INRIA Sophia-Antipolis (France)
// All rights reserved.
//
// This file is part of the ImageIO Library, and as been adapted for CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v5.4/CGAL_ImageIO/include/CGAL/ImageIO/bmpread.h $
// $Id: bmpread.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: LGPL-3.0-or-later
//
//
// Author(s)     :  ASCLEPIOS Project (INRIA Sophia-Antipolis), Laurent Rineau

/*
 * from bmp.zip, see the url http://www.ddj.com/ftp/1995/1995.03/
 * author Dr. Dobb's
 */

/*
 * This is the header for readbmp.c - functions to read the bitmap file
 * structures.  See readbmp.c for details.
 */

#ifndef __READBMP_H_INCLUDED__
#define __READBMP_H_INCLUDED__

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <CGAL/ImageIO/bmptypes.h>
#include <CGAL/ImageIO/bmpendian.h>

/*
 * Mid-level functions
 */
int readBitmapFileHeader(FILE *fp, Bitmapfileheader *bfh);
int readBitmapArrayHeader(FILE *fp, BITMAPARRAYHEADER *bah);
int readBitmapHeader(FILE *fp, BITMAPHEADER *bh);
int readRgb(FILE *fp, RGB *rgb, int numBytes);
int readColorTable(FILE *fp, RGB *rgb, int numEntries, int numBytesPerEntry);

int readBitsUncompressed(FILE *fp, RGB *image, int width, int height,
                         int depth, RGB* colorTable);
int readMaskBitsUncompressed(FILE *fp, char *image, int width, int height);

void reflectYRGB(RGB *image, int width, int height);
void reflectYchar(char *image, int width, int height);

/*
 * High level functions.
 */
int readSingleImageBMP(FILE *fp, RGB **argb, CGAL_UINT32 *width, CGAL_UINT32 *height);
int readSingleImageICOPTR(FILE *fp, char **xorMask, char **andMask,
                          CGAL_UINT32 *width, CGAL_UINT32 *height);
int readSingleImageColorICOPTR(FILE *fp, RGB **argb, char **xorMask,
                               char **andMask, CGAL_UINT32 *width, CGAL_UINT32 *height);
int readMultipleImage(FILE *fp, RGB ***argbs, char ***xorMasks,
                      char ***andMasks, CGAL_UINT32 **widths, CGAL_UINT32 **heights,
                      int *imageCount);

#ifdef CGAL_HEADER_ONLY
#include <CGAL/ImageIO/bmpread_impl.h>
#endif // CGAL_HEADER_ONLY

#endif

/*
 * Formatting information for emacs in c-mode
 *
 * Local Variables:
 * c-indent-level:4
 * c-continued-statement-offset:4
 * c-brace-offset:-4
 * c-brace-imaginary-offset:0
 * c-argdecl-indent:4
 * c-label-offset:-4
 * End:
 */

