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Tina6/tina-libs/tina/file/fileRaw_io.c

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  1 /**********
  2  * 
  3  * Copyright (c) 2003, Division of Imaging Science and Biomedical Engineering,
  4  * University of Manchester, UK.  All rights reserved.
  5  * 
  6  * Redistribution and use in source and binary forms, with or without modification, 
  7  * are permitted provided that the following conditions are met:
  8  * 
  9  *   . Redistributions of source code must retain the above copyright notice, 
 10  *     this list of conditions and the following disclaimer.
 11  *    
 12  *   . Redistributions in binary form must reproduce the above copyright notice,
 13  *     this list of conditions and the following disclaimer in the documentation 
 14  *     and/or other materials provided with the distribution.
 15  * 
 16  *   . Neither the name of the University of Manchester nor the names of its
 17  *     contributors may be used to endorse or promote products derived from this 
 18  *     software without specific prior written permission.
 19  * 
 20  * 
 21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 31  * POSSIBILITY OF SUCH DAMAGE.
 32  *
 33  **********
 34  * 
 35  * Program :    TINA
 36  * File    :  $Source: /home/tina/cvs/tina-libs/tina/file/fileRaw_io.c,v $
 37  * Date    :  $Date: 2005/01/23 19:10:21 $
 38  * Version :  $Revision: 1.4 $
 39  * CVS Id  :  $Id: fileRaw_io.c,v 1.4 2005/01/23 19:10:21 paul Exp $
 40  *
 41  * Author  :  Legacy TINA
 42  *
 43  * Notes   :
 44  *            Functions to read/write RAW image files
 45  *
 46  *********
 47 */
 48 
 49 #include "fileRaw_io.h"
 50 
 51 #if HAVE_CONFIG_H
 52   #include <config.h>
 53 #endif
 54 
 55 #include <stdio.h>
 56 #include <string.h>
 57 #include <tina/sys/sysDef.h>
 58 #include <tina/sys/sysPro.h>
 59 #include <tina/image/imgPro.h>
 60 #include <tina/image/imgDef.h>
 61 #include <tina/file/file_UtilPro.h>
 62 
 63 /* Create an imrect and read an image file called 'pathname' into it.
 64  * Open file, read data and close file. On failure, give error message
 65  * and return NULL. */
 66 Imrect *raw_read_image(const char *pathname, const int width, const int height,
 67                                const Vartype vtype, unsigned int padding )
 68 {
 69     FILE   *stream = fopen_2(pathname, "rb");
 70     Imrect *imrect = NULL;
 71 
 72     if (stream)
 73     {
 74         Imregion *imregion = NULL;
 75 
 76         if (padding == 0 || fread_padding(padding, stream, pathname)==true)
 77         {
 78            imrect = im_alloc(height, width, imregion, (Vartype) vtype);
 79            if (!fread_imrect_data(imrect, stream, pathname))
 80            {
 81                im_free(imrect);
 82                imrect = NULL;
 83            }
 84         }
 85         fclose_2(stream, pathname);
 86     }
 87     return imrect;
 88 }
 89 
 90 /* Write an imrect to  an image file called 'pathname'. Open file, read
 91  * data and close file. On failure, give error message and return
 92  * false. */
 93 Bool    raw_write_image(const Imrect * imrect, const char *pathname)
 94 {
 95     Bool    write_ok = false;
 96 
 97     if (imrect)
 98     {
 99         FILE   *stream = fopen_2(pathname, "wb");
100 
101         if (stream)
102         {
103             write_ok = fwrite_imrect_data(imrect, stream, pathname);
104             (void) fclose_2(stream, pathname);
105         }
106     } else
107     {
108         errorf(non_fatal, "No image to write to: %s\n", pathname);
109     }
110     return write_ok;
111 }
112 

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