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authorPedro Vicente Nunes <pvn@hdfgroup.org>2008-06-09 16:19:58 (GMT)
committerPedro Vicente Nunes <pvn@hdfgroup.org>2008-06-09 16:19:58 (GMT)
commit2221c969a385ef025ffe69c82c3b9991fcf4a8a7 (patch)
tree3c2412e857ab3f996c489c3295f2b4879e710e35 /tools/h52jpeg/h52jpeg.c
parent98d73aa39757cb739b934ea6c292430a9444fb4b (diff)
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[svn-r15178] added the routine h52jpeg that traverses the file in the same way of h5diff/h5repack
tested: windows
Diffstat (limited to 'tools/h52jpeg/h52jpeg.c')
-rw-r--r--tools/h52jpeg/h52jpeg.c183
1 files changed, 168 insertions, 15 deletions
diff --git a/tools/h52jpeg/h52jpeg.c b/tools/h52jpeg/h52jpeg.c
index 35cf43c..7f56f27 100644
--- a/tools/h52jpeg/h52jpeg.c
+++ b/tools/h52jpeg/h52jpeg.c
@@ -14,15 +14,24 @@
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <stdlib.h>
+#include <memory.h>
+
+#if 0
+#include "jpeglib.h"
+#include "jerror.h"
+#endif
+
+#include "h5tools.h"
#include "h5tools_utils.h"
+#include "h5trav.h"
+#include "H5IMpublic.h"
+
const char *progname = "h52jpeg";
-static void usage(const char *prog);
+int d_status = EXIT_SUCCESS;
-/*
- * command-line options: The user can specify short or long-named parameters
- */
+/* command-line options: The user can specify short or long-named parameters */
static const char *s_opts = "hVvi:t:";
static struct long_options l_opts[] = {
{ "help", no_arg, 'h' },
@@ -34,6 +43,22 @@ static struct long_options l_opts[] = {
};
+/* a structure that contains h52jpeg options */
+typedef struct
+{
+ const char *file_name;
+ const char *template_name;
+ const char *image_name;
+ int image_type;
+ int verbose;
+
+
+} h52jpeg_opt_t;
+
+
+/* prototypes */
+static void usage(const char *prog);
+static int h52jpeg(h52jpeg_opt_t options);
/*-------------------------------------------------------------------------
@@ -49,12 +74,12 @@ static struct long_options l_opts[] = {
*/
int main(int argc, char **argv)
{
- int opt;
- char *image_name = NULL;
- char *image_type = NULL;
- char *file_name = NULL;
- char *template_name = NULL;
- int verbose = 0;
+ h52jpeg_opt_t options;
+ const char *image_type = NULL;
+ int opt;
+
+ /* initialze options to 0 */
+ memset(&options,0,sizeof(h52jpeg_opt_t));
/* parse command line options */
while ((opt = get_option(argc, argv, s_opts, l_opts)) != EOF)
@@ -68,13 +93,13 @@ int main(int argc, char **argv)
print_version(progname);
exit(EXIT_SUCCESS);
case 'v':
- verbose = 1;
+ options.verbose = 1;
break;
case 'i':
- image_name = argv[ opt_ind ];
+ options.image_name = opt_arg;
break;
case 't':
- image_type = argv[ opt_ind ];
+ image_type = opt_arg;
break;
} /* switch */
@@ -85,8 +110,8 @@ int main(int argc, char **argv)
/* check for file names to be processed */
if ( argv[ opt_ind ] != NULL && argv[ opt_ind + 1 ] != NULL )
{
- file_name = argv[ opt_ind ];
- template_name = argv[ opt_ind + 1 ];
+ options.file_name = argv[ opt_ind ];
+ options.template_name = argv[ opt_ind + 1 ];
}
else
@@ -94,6 +119,9 @@ int main(int argc, char **argv)
usage(progname);
exit(EXIT_FAILURE);
}
+
+ if ( h52jpeg(options) < 0 )
+ return 1;
return 0;
@@ -126,7 +154,132 @@ static void usage(const char *prog)
printf(" T - is a string, either <8bit> or <24bit>\n");
+}
+
+/*-------------------------------------------------------------------------
+ * Function: h52jpeg
+ *
+ * Parameters: options at command line
+ *
+ * Purpose: traverse the HDF5 file, save HDF5 images to jpeg files, translate
+ * 2D datasets of classes H5T_INTEGER and H5T_FLOAT to image data and save them
+ * to jpeg files
+ *
+ * Return: 0, all is fine, -1 not all is fine
+ *
+ *-------------------------------------------------------------------------
+ */
+static int h52jpeg(h52jpeg_opt_t opt)
+{
+ hid_t fid;
+ trav_table_t *travt = NULL;
+ size_t i;
+
+ /* open the HDF5 file */
+ if (( fid = h5tools_fopen(opt.file_name, H5F_ACC_RDONLY, H5P_DEFAULT, NULL, NULL, (size_t)0)) < 0)
+ {
+ error_msg(progname, "cannot open file <%s>\n", opt.file_name );
+ return -1;
+ }
+
+ /* initialize traversal table */
+ trav_table_init(&travt);
+
+ /* get the list of objects in the file */
+ if ( h5trav_gettable(fid, travt) < 0 )
+ goto out;
+
+ /* search for images/datasets in file */
+ for ( i = 0; i < travt->nobjs; i++)
+ {
+
+ switch ( travt->objs[i].type )
+ {
+ default:
+ goto out;
+
+ case H5TRAV_TYPE_GROUP:
+ case H5TRAV_TYPE_NAMED_DATATYPE:
+ case H5TRAV_TYPE_LINK:
+ case H5TRAV_TYPE_UDLINK:
+
+ break;
+
+ case H5TRAV_TYPE_DATASET:
+
+ printf("%s\n", travt->objs[i].name );
+
+ if ( H5IMis_image( fid, travt->objs[i].name ) )
+ {
+ hsize_t width;
+ hsize_t height;
+ hsize_t planes;
+ char interlace[20];
+ hssize_t npals;
+ char* buf = NULL;
+
+ if ( H5IMget_image_info( fid, travt->objs[i].name, &width, &height, &planes, interlace, &npals ) < 0 )
+ goto out;
+
+ buf = (char*) malloc( (size_t) width * (size_t) height );
+
+ if ( H5IMread_image( fid, travt->objs[i].name, buf ) < 0 )
+ goto out;
+
+ if ( planes == 1 )
+ {
+
+
+
+ }
+
+
+
+
+
+ free( buf );
+
+
+
+
+
+ }
+
+
+
+ break;
+
+
+
+ } /* switch */
+
+
+
+ } /* i */
+
+
+
+ /* free table */
+ trav_table_free(travt);
+
+ /* close */
+ if ( H5Fclose(fid) < 0 )
+ return -1;
+
+ return 0;
+
+out:
+ H5E_BEGIN_TRY
+ {
+
+ H5Fclose(fid);
+
+ } H5E_END_TRY;
+
+
+ return -1;
}
+