diff options
Diffstat (limited to 'hl/tools/h52jpeg/h52jpeg.c')
| -rw-r--r-- | hl/tools/h52jpeg/h52jpeg.c | 458 |
1 files changed, 229 insertions, 229 deletions
diff --git a/hl/tools/h52jpeg/h52jpeg.c b/hl/tools/h52jpeg/h52jpeg.c index 07171a1..ab4ead5 100644 --- a/hl/tools/h52jpeg/h52jpeg.c +++ b/hl/tools/h52jpeg/h52jpeg.c @@ -46,7 +46,7 @@ static struct long_options l_opts[] = { { "version", no_arg, 'V' }, { "verbose", no_arg, 'v' }, { "image", require_arg, 'i' }, - { "convert", no_arg, 'c' },
+ { "convert", no_arg, 'c' }, { "palette", require_arg, 'p' }, { NULL, 0, '\0' } }; @@ -59,7 +59,7 @@ typedef struct const char *template_name; const char *image_name; int image_type; - int convert_true;
+ int convert_true; int idx_palette; int verbose; } h52jpeg_opt_t; @@ -68,10 +68,10 @@ typedef struct /* prototypes */ 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 void make_jpeg_name( const char* template_name, const char* image_name, char* jpeg_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 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); /*------------------------------------------------------------------------- @@ -91,7 +91,7 @@ int main(int argc, const char *argv[]) int op; /* initialze options to 0 */ - memset(&opt,0,sizeof(h52jpeg_opt_t));
+ memset(&opt,0,sizeof(h52jpeg_opt_t)); /* parse command line options */ while ((op = get_option(argc, argv, s_opts, l_opts)) != EOF) @@ -114,9 +114,9 @@ int main(int argc, const char *argv[]) case 'c': opt.convert_true = 1; - break;
- case 'p':
- opt.idx_palette = atoi(opt_arg);
+ break; + case 'p': + opt.idx_palette = atoi(opt_arg); break; } /* switch */ @@ -165,7 +165,7 @@ 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(" -c, --convert Convert image from graycolor to 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"); @@ -279,82 +279,82 @@ out: return -1; } -
-
-/*-------------------------------------------------------------------------
- * Function: do_object
- *
- * Parameters: HDF5 file id, command line options, an object name
- *
- * Purpose: read HDF5 object, save jpeg image
- *
- * Return: 0, all is fine, -1 not all is fine
- *
- *-------------------------------------------------------------------------
- */
-static
-int do_object(hid_t fid, h52jpeg_opt_t opt, const char* object_name)
-{
- int done=0; /* return value from do_image */
- char jpeg_name[1024];
-
- /* build the jpeg file name */
- make_jpeg_name( opt.template_name, object_name, jpeg_name);
-
- if ( opt.verbose)
- {
- printf("%s ...", object_name );
- }
-
- /*-------------------------------------------------------------------------
- * HDF5 Image
- *-------------------------------------------------------------------------
- */
-
- if ( H5IMis_image( fid, object_name ) )
- {
- /* read image, save jpeg image */
- done = do_image(fid, opt, object_name, jpeg_name);
- }
-
- /*-------------------------------------------------------------------------
- * HDF5 Image palette, ignore
- *-------------------------------------------------------------------------
- */
-
- else if ( H5IMis_palette( fid, object_name ) )
- {
-
- }
-
- /*-------------------------------------------------------------------------
- * regular dataset
- *-------------------------------------------------------------------------
- */
-
- else
- {
-
-
- } /* else */
-
-
- if ( opt.verbose)
- {
- if ( done )
- {
- printf("saved to %s\n", jpeg_name );
- }
- else
- {
- printf("\n");
- }
-
- }
-
- return 0;
-
-
+ + +/*------------------------------------------------------------------------- + * Function: do_object + * + * Parameters: HDF5 file id, command line options, an object name + * + * Purpose: read HDF5 object, save jpeg image + * + * Return: 0, all is fine, -1 not all is fine + * + *------------------------------------------------------------------------- + */ +static +int do_object(hid_t fid, h52jpeg_opt_t opt, const char* object_name) +{ + int done=0; /* return value from do_image */ + char jpeg_name[1024]; + + /* build the jpeg file name */ + make_jpeg_name( opt.template_name, object_name, jpeg_name); + + if ( opt.verbose) + { + printf("%s ...", object_name ); + } + + /*------------------------------------------------------------------------- + * HDF5 Image + *------------------------------------------------------------------------- + */ + + if ( H5IMis_image( fid, object_name ) ) + { + /* read image, save jpeg image */ + done = do_image(fid, opt, object_name, jpeg_name); + } + + /*------------------------------------------------------------------------- + * HDF5 Image palette, ignore + *------------------------------------------------------------------------- + */ + + else if ( H5IMis_palette( fid, object_name ) ) + { + + } + + /*------------------------------------------------------------------------- + * regular dataset + *------------------------------------------------------------------------- + */ + + else + { + + + } /* else */ + + + if ( opt.verbose) + { + if ( done ) + { + printf("saved to %s\n", jpeg_name ); + } + else + { + printf("\n"); + } + + } + + return 0; + + } @@ -378,7 +378,7 @@ int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name, char* jpeg_na char interlace[20]; hssize_t npals; const char* name; - int done;
+ int done; unsigned char* ibuf=NULL; name = image_name; @@ -391,115 +391,115 @@ int do_image(hid_t fid, h52jpeg_opt_t opt, const char* image_name, char* jpeg_na 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 )
+ 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 )
- {
- 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 */
-
+ (int) planes); + + done = 1; + } + /*------------------------------------------------------------------------- + * conversion to truecolor + * this will result in + * + * 8bit HDF5 ---> true color jpeg + * + *------------------------------------------------------------------------- + */ + else if (opt.convert_true && planes == 1 ) + { + 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...", + opt.idx_palette ); + } + } + + + 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 ); @@ -559,46 +559,46 @@ 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;
-
- }
-
-
-}
+/*------------------------------------------------------------------------- + * 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; + + } + + +} /* |