1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #include <sys/stat.h>

    19 #include <fcntl.h>

    20 #include <unistd.h>

    21 #include <stdlib.h>

    22 #include <stdio.h>

    23 #include "jpeg.h"

    24 

    25 #define LOG_FILE "c:\\logs\\examples_jpeg_log1.txt"

    26 #include "std_log_result.h"

    27 #define LOG_FILENAME_LINE __FILE__, __LINE__

    28 

    29 void create_xml(int result)

    30 {

    31     if(result)

    32         assert_failed = 1;

    33     

    34     testResultXml("examples_jpeg");

    35     close_log_file();

    36 }

    37 

    38 /* getfile */

    39 

    40 void *getfile (char *path, int *n_bytes);

    41 static void dump_pgm (unsigned char *ptr, int rowstride, int width, int height);

    42 

    43 

    44 int

    45 main (int argc, char *argv[])

    46 {

    47   unsigned char *data;

    48   int len;

    49   JpegDecoder *dec;

    50   char *fn = "c:\\data\\liboil\\test.jpg";

    51   unsigned char *ptr;

    52   int rowstride;

    53   int width;

    54   int height;

    55 

    56   /*if (argc < 2) {

    57         printf("jpeg_test <file.jpg>\n");

    58         exit(1);

    59   }*/

    60   if (argc > 1)

    61         fn = argv[1];

    62   

    63   std_log(LOG_FILENAME_LINE, "Test Started examples_jpeg");

    64   dec = jpeg_decoder_new ();    //to create decoder instance

    65   

    66   data = getfile (fn, &len);

    67 

    68   jpeg_decoder_addbits (dec, data, len);

    69   jpeg_decoder_decode (dec);

    70 

    71   jpeg_decoder_get_component_ptr (dec, 1, &ptr, &rowstride);

    72   jpeg_decoder_get_component_size (dec, 1, &width, &height);

    73 

    74   dump_pgm (ptr, rowstride, width, height);

    75   

    76   std_log(LOG_FILENAME_LINE, "Test Successful");

    77   create_xml(0);

    78   return 0;

    79 }

    80 

    81 

    82 /* getfile */

    83 

    84 void *

    85 getfile (char *path, int *n_bytes)

    86 {

    87   int fd;

    88   struct stat st;

    89   void *ptr = NULL;

    90   int ret;

    91 

    92   fd = open (path, O_RDONLY);

    93   if (!fd)

    94     return NULL;

    95 

    96   ret = fstat (fd, &st);

    97   if (ret < 0) {

    98     close (fd);

    99     return NULL;

   100   }

   101 

   102   ptr = malloc (st.st_size);

   103   if (!ptr) {

   104     close (fd);

   105     return NULL;

   106   }

   107 

   108   ret = read (fd, ptr, st.st_size);

   109   if (ret != st.st_size) {

   110     free (ptr);

   111     close (fd);

   112     return NULL;

   113   }

   114 

   115   if (n_bytes)

   116     *n_bytes = st.st_size;

   117 

   118   close (fd);

   119   return ptr;

   120 }

   121 

   122 static void

   123 dump_pgm (unsigned char *ptr, int rowstride, int width, int height)

   124 {

   125   int x, y;

   126 

   127   printf ("P2\n");

   128   printf ("%d %d\n", width, height);

   129   printf ("255\n");

   130 

   131   for (y = 0; y < height; y++) {

   132     for (x = 0; x < width; x++) {

   133       printf ("%d ", ptr[x]);

   134       if ((x & 15) == 15) {

   135         printf ("\n");

   136       }

   137     }

   138     printf ("\n");

   139     ptr += rowstride;

   140   }

   141 }