/*

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

 * All rights reserved.

 * This component and the accompanying materials are made available

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

 * which accompanies this distribution, and is available

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

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

 #include <sys/stat.h>

 #include <fcntl.h>

 #include <unistd.h>

 #include <stdlib.h>

 #include <stdio.h>

 #include "jpeg.h"

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

 #include "std_log_result.h"

 #define LOG_FILENAME_LINE __FILE__, __LINE__

 void create_xml(int result)

 {

     if(result)

         assert_failed = 1;

     testResultXml("examples_jpeg");

     close_log_file();

 }

 /* getfile */

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

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

 int

 main (int argc, char *argv[])

 {

   unsigned char *data;

   int len;

   JpegDecoder *dec;

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

   unsigned char *ptr;

   int rowstride;

   int width;

   int height;

   /*if (argc < 2) {

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

         exit(1);

   }*/

   if (argc > 1)

         fn = argv[1];

   std_log(LOG_FILENAME_LINE, "Test Started examples_jpeg");

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

   data = getfile (fn, &len);

   jpeg_decoder_addbits (dec, data, len);

   jpeg_decoder_decode (dec);

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

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

   dump_pgm (ptr, rowstride, width, height);

   std_log(LOG_FILENAME_LINE, "Test Successful");

   create_xml(0);

   return 0;

 }

 /* getfile */

 void *

 getfile (char *path, int *n_bytes)

 {

   int fd;

   struct stat st;

   void *ptr = NULL;

   int ret;

   fd = open (path, O_RDONLY);

   if (!fd)

     return NULL;

   ret = fstat (fd, &st);

   if (ret < 0) {

     close (fd);

     return NULL;

   }

   ptr = malloc (st.st_size);

   if (!ptr) {

     close (fd);

     return NULL;

   }

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

   if (ret != st.st_size) {

     free (ptr);

     close (fd);

     return NULL;

   }

   if (n_bytes)

     *n_bytes = st.st_size;

   close (fd);

   return ptr;

 }

 static void

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

 {

   int x, y;

   printf ("P2\n");

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

   printf ("255\n");

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

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

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

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

         printf ("\n");

       }

     }

     printf ("\n");

     ptr += rowstride;

   }

 }