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-rw-r--r--hl/tools/h52jpeg/h52jpeg.c320
-rw-r--r--hl/tools/h52jpeg/h52jpeg.sh17
-rw-r--r--hl/tools/h52jpeg/h52jpegtst.c50
-rw-r--r--hl/tools/h52jpeg/testfiles/h52jpegtst.h5bin227613 -> 469661 bytes
4 files changed, 290 insertions, 97 deletions
diff --git a/hl/tools/h52jpeg/h52jpeg.c b/hl/tools/h52jpeg/h52jpeg.c
index 8c0377d..a380741 100644
--- a/hl/tools/h52jpeg/h52jpeg.c
+++ b/hl/tools/h52jpeg/h52jpeg.c
@@ -40,14 +40,15 @@ const char *progname = "h52jpeg";
int d_status = EXIT_SUCCESS;
/* command-line options: The user can specify short or long-named parameters */
-static const char *s_opts = "hVvi:t:c:";
+static const char *s_opts = "hVvi:t:cp:";
static struct long_options l_opts[] = {
{ "help", no_arg, 'h' },
{ "version", no_arg, 'V' },
{ "verbose", no_arg, 'v' },
{ "image", require_arg, 'i' },
{ "type", require_arg, 't' },
- { "convert", require_arg, 'c' },
+ { "convert", no_arg, 'c' },
+ { "palette", require_arg, 'p' },
{ NULL, 0, '\0' }
};
@@ -59,7 +60,8 @@ typedef struct
const char *template_name;
const char *image_name;
int image_type;
- int convert_type;
+ int convert_true;
+ int idx_palette;
int verbose;
} h52jpeg_opt_t;
@@ -68,8 +70,10 @@ typedef struct
static void usage(const char *prog);
static int h52jpeg(h52jpeg_opt_t opt);
static void make_jpeg_name( const char* template_name, const char* image_name, char* jpeg_name);
-static int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name);
+static int do_object(hid_t fid, h52jpeg_opt_t opt, const char* image_name);
+static int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name, char* jpeg_name);
static void write_JPEG_file(char *filename, JSAMPLE *image_buffer, int image_height, int image_width, int planes);
+static void convert_to_true( hsize_t width, hsize_t height, unsigned char* ibuf, unsigned char* pbuf, unsigned char* tbuf);
/*-------------------------------------------------------------------------
* Function: main
@@ -86,12 +90,11 @@ int main(int argc, const char *argv[])
{
h52jpeg_opt_t opt;
const char *image_type = NULL;
- const char *convert_type = NULL;
int op;
/* initialze options to 0 */
memset(&opt,0,sizeof(h52jpeg_opt_t));
-
+
/* parse command line options */
while ((op = get_option(argc, argv, s_opts, l_opts)) != EOF)
{
@@ -110,8 +113,7 @@ int main(int argc, const char *argv[])
opt.image_name = opt_arg;
break;
case 't':
- image_type = opt_arg;
-
+ image_type = opt_arg;
if ( HDstrcmp( image_type, "grey" ) == 0 )
{
@@ -129,24 +131,12 @@ int main(int argc, const char *argv[])
break;
case 'c':
- convert_type = opt_arg;
-
-
- if ( HDstrcmp( convert_type, "grey" ) == 0 )
- {
- opt.convert_type = 0;
- }
- else if ( HDstrcmp( convert_type, "true" ) == 0 )
- {
- opt.convert_type = 1;
- }
- else
- {
- printf("<%s> is an invalid image type\n", image_type);
- exit(EXIT_FAILURE);
- }
+ opt.convert_true = 1;
break;
+ case 'p':
+ opt.idx_palette = atoi(opt_arg);
+ break;
} /* switch */
@@ -194,12 +184,13 @@ static void usage(const char *prog)
printf(" -v, --verbose Verbose mode, print object information\n");
printf(" -V, --version Print HDF5 version number and exit\n");
printf(" -i, --image Image name (full path in HDF5 file)\n");
- printf(" -t T, --type=T Type of image to read (graycolor or truecolor)\n");
- printf(" -c T, --convert=T Convert image to type T (graycolor or truecolor)\n");
+ printf(" -c, --convert Convert image from graycolor to truecolor\n");
+ printf(" -p P, --palette=P Use HDF5 palette index P in conversion -c\n");
printf("\n");
printf(" T - is a string, either <grey> or <true>\n");
+ printf(" P - is an integer, the palette index in the HDF5 image. Default is 0\n");
}
@@ -231,20 +222,19 @@ static int h52jpeg(h52jpeg_opt_t opt)
}
/*-------------------------------------------------------------------------
- * image/dataset name was specified at command line
+ * object name was specified at command line
*-------------------------------------------------------------------------
*/
if ( opt.image_name )
{
-
- /* read HDF5 image/dataset, save jpeg image */
- do_image(fid, opt, opt.image_name);
+ /* read object, save jpeg image */
+ do_object(fid, opt, opt.image_name);
}
/*-------------------------------------------------------------------------
- * image name was not specified; traverse the file
+ * object name was not specified; traverse the file
*-------------------------------------------------------------------------
*/
@@ -277,8 +267,8 @@ static int h52jpeg(h52jpeg_opt_t opt)
case H5TRAV_TYPE_DATASET:
- /* read HDF5 image/dataset, save jpeg image */
- do_image(fid, opt, travt->objs[i].name);
+ /* read object, save jpeg image */
+ do_object(fid, opt, travt->objs[i].name);
break; /* H5TRAV_TYPE_DATASET */
@@ -290,7 +280,7 @@ static int h52jpeg(h52jpeg_opt_t opt)
/* free table */
trav_table_free(travt);
- } /* image_name */
+ } /* opt.image_name */
/* close */
@@ -311,40 +301,29 @@ out:
}
-
/*-------------------------------------------------------------------------
- * Function: do_image
+ * Function: do_object
*
- * Parameters: HDF5 file id, command line options, an image name
+ * Parameters: HDF5 file id, command line options, an object name
*
- * Purpose: read HDF5 image/dataset, save jpeg image
+ * Purpose: read HDF5 object, save jpeg image
*
* Return: 0, all is fine, -1 not all is fine
*
*-------------------------------------------------------------------------
*/
static
-int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name)
+int do_object(hid_t fid, h52jpeg_opt_t opt, const char* object_name)
{
- hsize_t width;
- hsize_t height;
- hsize_t planes;
- char interlace[20];
- hssize_t npals;
- const char* name;
- int done;
- char jpeg_name[1024];
-
- name = image_name;
-
+ int done=0; /* return value from do_image */
+ char jpeg_name[1024];
+
/* build the jpeg file name */
- make_jpeg_name( opt.template_name, image_name, jpeg_name);
-
- done = 0;
-
+ make_jpeg_name( opt.template_name, object_name, jpeg_name);
+
if ( opt.verbose)
{
- printf("%s ...", name );
+ printf("%s ...", object_name );
}
/*-------------------------------------------------------------------------
@@ -352,35 +331,10 @@ int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name)
*-------------------------------------------------------------------------
*/
- if ( H5IMis_image( fid, name ) )
+ if ( H5IMis_image( fid, object_name ) )
{
-
- unsigned char* buf=NULL;
-
- if ( H5IMget_image_info( fid, name, &width, &height, &planes, interlace, &npals ) < 0 )
- goto out;
-
- if (NULL == (buf = HDmalloc( (size_t)width * (size_t)height * (size_t)planes )))
- goto out;
-
- if ( H5IMread_image( fid, name, buf ) < 0 )
- goto out;
-
- /* write the jpeg file */
- write_JPEG_file (jpeg_name,
- buf,
- (int) height,
- (int) width,
- (int) planes);
-
-
- free( buf );
- buf = NULL;
-
- done = 1;
-
-
-
+ /* read image, save jpeg image */
+ done = do_image(fid, opt, object_name, jpeg_name);
}
/*-------------------------------------------------------------------------
@@ -388,7 +342,7 @@ int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name)
*-------------------------------------------------------------------------
*/
- else if ( H5IMis_palette( fid, name ) )
+ else if ( H5IMis_palette( fid, object_name ) )
{
}
@@ -402,7 +356,6 @@ int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name)
{
-
} /* else */
@@ -420,6 +373,163 @@ int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name)
}
return 0;
+
+
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: do_image
+ *
+ * Parameters: HDF5 file id, command line options, an image name
+ *
+ * Purpose: read HDF5 image, save jpeg image
+ *
+ * Return: 0, all is fine, -1 not all is fine
+ *
+ *-------------------------------------------------------------------------
+ */
+static
+int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name, char* jpeg_name)
+{
+ hsize_t width;
+ hsize_t height;
+ hsize_t planes;
+ char interlace[20];
+ hssize_t npals;
+ const char* name;
+ int done;
+ unsigned char* ibuf=NULL;
+
+ name = image_name;
+
+ done = 0;
+
+ if ( H5IMget_image_info( fid, name, &width, &height, &planes, interlace, &npals ) < 0 )
+ goto out;
+
+ if (NULL == (ibuf = HDmalloc( (size_t)width * (size_t)height * (size_t)planes )))
+ goto out;
+
+ if ( H5IMread_image( fid, name, ibuf ) < 0 )
+ {
+ goto out;
+ }
+
+ /*-------------------------------------------------------------------------
+ * no conversion to true color requested or true color image, just save what we found
+ * this will result either in
+ *
+ * 24bit HDF5 ---> true color jpeg
+ * 8bit HDF5 ---> grey color jpeg
+ *
+ *-------------------------------------------------------------------------
+ */
+ if ( planes == 3 || !opt.convert_true )
+ {
+ /* write the jpeg file */
+ write_JPEG_file (jpeg_name,
+ ibuf,
+ (int) height,
+ (int) width,
+ (int) planes);
+
+ done = 1;
+ }
+ /*-------------------------------------------------------------------------
+ * conversion to truecolor
+ * this will result in
+ *
+ * 8bit HDF5 ---> true color jpeg
+ *
+ *-------------------------------------------------------------------------
+ */
+ else if (opt.convert_true && planes == 1 )
+ {
+ hssize_t npals; /* number of palettes */
+ hsize_t pdims[2]; /* palette dimensions */
+ unsigned char *pbuf=NULL;/* palette array */
+ unsigned char *tbuf=NULL;/* true color array */
+ int ipal; /* palette to use */
+
+ if ( H5IMget_npalettes( fid, name, &npals ) < 0 )
+ {
+ goto out;
+ }
+
+ /*-------------------------------------------------------------------------
+ * there are palettes
+ *-------------------------------------------------------------------------
+ */
+ if ( npals > 0 )
+ {
+ /* use either the default (0) palette or a requested one */
+ ipal = ( opt.idx_palette > 0 ) ? opt.idx_palette : 0;
+
+ /* the requested palette may not exist . use the default */
+ if ( opt.idx_palette >= npals )
+ {
+ ipal = 0;
+
+ if ( opt.verbose )
+ {
+ printf("palette index <%d> does not exist. Using default...",
+ ipal );
+ }
+ }
+
+
+ if ( H5IMget_palette_info( fid, name, ipal, pdims ) < 0 )
+ goto out;
+
+ if (NULL == (pbuf = HDmalloc( (size_t)pdims[0] * (size_t)pdims[1] )))
+ goto out;
+
+ if (NULL == (tbuf = HDmalloc( (size_t)width * (size_t)height * 3 )))
+ goto out;
+
+ if ( H5IMget_palette( fid, name, ipal, pbuf ) < 0 )
+ goto out;
+
+ /* convert indexed image to true color image */
+ convert_to_true(width, height, ibuf, pbuf, tbuf);
+
+ /* write the jpeg file */
+ write_JPEG_file (jpeg_name,
+ tbuf,
+ (int) height,
+ (int) width,
+ 3);
+
+ done = 1;
+
+ free( pbuf );
+ free( tbuf );
+ pbuf = NULL;
+ tbuf = NULL;
+ }
+ /*-------------------------------------------------------------------------
+ * there are no palettes
+ *-------------------------------------------------------------------------
+ */
+ else
+ {
+ done = 0;
+ if ( opt.verbose )
+ {
+ printf("image <%s> has no palette...", name );
+ }
+ } /* no palettes */
+
+ } /* conversion to truecolor */
+
+ free( ibuf );
+ ibuf = NULL;
+
+
+
+
+ return done;
out:
@@ -470,6 +580,46 @@ void make_jpeg_name( const char* template_name, const char* image_name, char* jp
}
+/*-------------------------------------------------------------------------
+ * Function: convert_to_true
+ *
+ * Parameters:
+ *
+ * Purpose: convert a greycolor buffer to a true color using a palette buffer
+ *
+ * Return:
+ *
+ *-------------------------------------------------------------------------
+ */
+static
+void convert_to_true( hsize_t width, hsize_t height, unsigned char* ibuf, unsigned char* pbuf, unsigned char* tbuf)
+{
+ hsize_t i, j;
+
+ for ( i = 0, j = 0; i < width * height; i++, j += 3)
+ {
+ unsigned char idx;
+ unsigned char r;
+ unsigned char g;
+ unsigned char b;
+
+ /* get the index from the grey image */
+ idx = ibuf[i];
+
+ /* get the RGB color */
+ r = pbuf[3*idx];
+ g = pbuf[3*idx+1];
+ b = pbuf[3*idx+2];
+
+ /* define the color buffer */
+ tbuf[j] = r;
+ tbuf[j+1] = g;
+ tbuf[j+2] = b;
+
+ }
+
+
+}
/*
diff --git a/hl/tools/h52jpeg/h52jpeg.sh b/hl/tools/h52jpeg/h52jpeg.sh
index b1e1109..f9b1e2c 100644
--- a/hl/tools/h52jpeg/h52jpeg.sh
+++ b/hl/tools/h52jpeg/h52jpeg.sh
@@ -69,13 +69,22 @@ TOOLTEST()
##############################################################################
-# Test for traversing the file and export all images/datasets to jpeg
+
+# Test for traversing the file and export all images using defaults
TESTING $TOOL $SRCFILE myjpeg1
TOOLTEST $TESTFILE myjpeg1
-# Test for reading an image path
-TESTING $TOOL -i image8bit $SRCFILE myjpeg2
-TOOLTEST -i image8bit $TESTFILE myjpeg2
+# Test for reading an image path
+TESTING $TOOL -i im8_1pal $SRCFILE myjpeg2
+TOOLTEST -i im8_1pal $TESTFILE myjpeg2
+
+# Test for conversion HDF5 8bit ---> jpeg true, use the default palette
+TESTING $TOOL -c $SRCFILE myjpeg3
+TOOLTEST -c $TESTFILE myjpeg3
+
+# Test for conversion HDF5 8bit ---> jpeg true, use a palette
+TESTING $TOOL -c -p 1 $SRCFILE myjpeg4
+TOOLTEST -c -p 1 $TESTFILE myjpeg4
diff --git a/hl/tools/h52jpeg/h52jpegtst.c b/hl/tools/h52jpeg/h52jpegtst.c
index c22f232..08ad7d4 100644
--- a/hl/tools/h52jpeg/h52jpegtst.c
+++ b/hl/tools/h52jpeg/h52jpegtst.c
@@ -16,11 +16,14 @@
#include "hdf5.h"
#include "hdf5_hl.h"
#include "H5private.h"
-#include "hdf5_hl.h"
#include "h52jpegtst.h"
#include <stdlib.h>
#include <string.h>
+#define IM_1PAL "im8_1pal"
+#define IM_2PAL "im8_2pal"
+#define PAL1 "pal1"
+#define PAL2 "pal2"
static int make_images( hid_t fid );
static int read_data(const char* fname, hsize_t *width, hsize_t *height );
@@ -72,6 +75,7 @@ out:
static int make_images( hid_t fid )
{
+ hid_t gid;
hsize_t width; /* width of image */
hsize_t height; /* height of image */
hsize_t pal_dims[2] = {PAL_ENTRIES,3}; /* palette dimensions */
@@ -79,7 +83,7 @@ static int make_images( hid_t fid )
int i, n;
/*-------------------------------------------------------------------------
- * indexed image
+ * indexed image with 1 palette
*-------------------------------------------------------------------------
*/
@@ -88,15 +92,30 @@ static int make_images( hid_t fid )
goto out;
/* make the image */
- if ( H5IMmake_image_8bit( fid, "img8", width, height, gbuf ) < 0 )
+ if ( H5IMmake_image_8bit( fid, IM_1PAL, width, height, gbuf ) < 0 )
goto out;
/* make a palette */
- if ( H5IMmake_palette( fid, "pal1", pal_dims, pal_rgb ) < 0 )
+ if ( H5IMmake_palette( fid, PAL1, pal_dims, pal_rgb ) < 0 )
goto out;
- /* attach the palette to the image */
- if ( H5IMlink_palette( fid, "img8", "pal1" ) < 0 )
+ /* attach the 1st palette to the image */
+ if ( H5IMlink_palette( fid, IM_1PAL, PAL1 ) < 0 )
+ {
+ goto out;
+ }
+
+ /*-------------------------------------------------------------------------
+ * indexed image with 2 palettes
+ *-------------------------------------------------------------------------
+ */
+
+ /* make the image */
+ if ( H5IMmake_image_8bit( fid, IM_2PAL, width, height, gbuf ) < 0 )
+ goto out;
+
+ /* attach the 1st palette to the image */
+ if ( H5IMlink_palette( fid, IM_2PAL, PAL1 ) < 0 )
{
goto out;
}
@@ -113,14 +132,29 @@ static int make_images( hid_t fid )
}
/* save the palette */
- if ( H5IMmake_palette( fid, "pal2", pal_dims, pal ) < 0 )
+ if ( H5IMmake_palette( fid, PAL2, pal_dims, pal ) < 0 )
goto out;
/* attach the palette to the image */
- if ( H5IMlink_palette( fid, "img8", "pal2" ) < 0 )
+ if ( H5IMlink_palette( fid, IM_2PAL, PAL2 ) < 0 )
{
goto out;
}
+
+ /*-------------------------------------------------------------------------
+ * make another image, in a group and no palette
+ *-------------------------------------------------------------------------
+ */
+
+ if (( gid = H5Gcreate2(fid, "g1", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0 )
+ goto out;
+
+ /* make the image with a name with "%", "@", "$", "/", ":", "&", and "*" */
+ if ( H5IMmake_image_8bit( gid, "1%2@3$45:6&7*", width, height, gbuf ) < 0 )
+ goto out;
+
+ H5Gclose(gid);
+
/*-------------------------------------------------------------------------
* true color image with pixel interlace in RGB type
diff --git a/hl/tools/h52jpeg/testfiles/h52jpegtst.h5 b/hl/tools/h52jpeg/testfiles/h52jpegtst.h5
index 8f65e59..048e568 100644
--- a/hl/tools/h52jpeg/testfiles/h52jpegtst.h5
+++ b/hl/tools/h52jpeg/testfiles/h52jpegtst.h5
Binary files differ
generated by cgit v0.12 at 2024-10-30 00:20:50 (GMT)