1 files changed, 78 insertions, 0 deletions
diff --git a/src/lib/openjpip/ihdrbox_manager.c b/src/lib/openjpip/ihdrbox_manager.c
new file mode 100644
index 00000000..d501b612
--- /dev/null
+++ b/src/lib/openjpip/ihdrbox_manager.c
@@ -0,0 +1,78 @@
+/*
+ * $Id: ihdrbox_manager.c 44 2011-02-15 12:32:29Z kaori $
+ *
+ * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2011, Professor Benoit Macq
+ * Copyright (c) 2010-2011, Kaori Hagihara
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include "ihdrbox_manager.h"
+
+ihdrbox_param_t * gene_ihdrbox( metadatalist_param_t *metadatalist, Byte_t *jpipstream)
+{
+  ihdrbox_param_t *ihdrbox;
+  metadata_param_t *meta;
+  box_param_t *jp2h, *ihdr;
+  int bpc_val;
+  
+  jp2h = NULL;
+  meta = metadatalist->first;
+  while( meta){
+    if( meta->boxlist){
+      jp2h = search_box( "jp2h", meta->boxlist);
+      if( jp2h)
+	break;
+    }
+    meta = meta->next;
+  }
+  if( !jp2h){
+    fprintf( stderr, "jp2h box not found\n");
+    return NULL;
+  }
+  
+  ihdr = gene_boxbyTypeinStream( jpipstream, get_DBoxoff( jp2h), get_DBoxlen( jp2h), "ihdr");
+
+  if( !ihdr){
+    fprintf( stderr, "ihdr box not found\n");
+    return NULL;
+  }
+  
+  ihdrbox = (ihdrbox_param_t *)malloc( sizeof(ihdrbox_param_t));
+  
+  ihdrbox->height = big4( jpipstream+get_DBoxoff(ihdr));
+  ihdrbox->width  = big4( jpipstream+get_DBoxoff(ihdr)+4);
+  ihdrbox->nc     = big2( jpipstream+get_DBoxoff(ihdr)+8);
+  bpc_val = *(jpipstream+get_DBoxoff(ihdr)+10)+1;
+  assert( bpc_val >= 0 && bpc_val <= 255 );
+  ihdrbox->bpc    = (Byte_t)bpc_val;
+
+  free( ihdr);
+
+  return ihdrbox;
+}
+