diff options
Diffstat (limited to 'hl/tools/gif2h5')
| -rw-r--r-- | hl/tools/gif2h5/Makefile.am | 5 | ||||
| -rw-r--r-- | hl/tools/gif2h5/Makefile.in | 11 | ||||
| -rw-r--r-- | hl/tools/gif2h5/h52gifgentst.c | 3 | ||||
| -rw-r--r-- | hl/tools/gif2h5/h52giftest.sh | 36 | ||||
| -rw-r--r-- | hl/tools/gif2h5/hdf2gif.c | 256 | ||||
| -rw-r--r-- | hl/tools/gif2h5/readhdf.c | 255 |
6 files changed, 166 insertions, 400 deletions
diff --git a/hl/tools/gif2h5/Makefile.am b/hl/tools/gif2h5/Makefile.am index a17c6ca..f4a1558 100644 --- a/hl/tools/gif2h5/Makefile.am +++ b/hl/tools/gif2h5/Makefile.am @@ -25,11 +25,14 @@ INCLUDES=-I$(top_srcdir)/src -I$(top_srcdir)/tools/lib -I$(top_srcdir)/hl/src # These are our main targets, the tools +TEST_SCRIPT=$(srcdir)/h52giftest.sh +check_SCRIPTS=$(TEST_SCRIPT) + bin_PROGRAMS=gif2h5 h52gif h52gifgentst gif2h5_SOURCES=gif2hdf.c gif2mem.c decompress.c gifread.c writehdf.c -h52gif_SOURCES=hdf2gif.c hdfgifwr.c readhdf.c +h52gif_SOURCES=hdf2gif.c hdfgifwr.c h52gifgentst_SOURCES=h52gifgentst.c diff --git a/hl/tools/gif2h5/Makefile.in b/hl/tools/gif2h5/Makefile.in index 41b7611..df2fd5c 100644 --- a/hl/tools/gif2h5/Makefile.in +++ b/hl/tools/gif2h5/Makefile.in @@ -77,8 +77,7 @@ am__DEPENDENCIES_2 = $(top_builddir)/tools/lib/libh5tools.la am__DEPENDENCIES_3 = $(top_builddir)/src/libhdf5.la gif2h5_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2) \ $(am__DEPENDENCIES_3) -am_h52gif_OBJECTS = hdf2gif.$(OBJEXT) hdfgifwr.$(OBJEXT) \ - readhdf.$(OBJEXT) +am_h52gif_OBJECTS = hdf2gif.$(OBJEXT) hdfgifwr.$(OBJEXT) h52gif_OBJECTS = $(am_h52gif_OBJECTS) h52gif_LDADD = $(LDADD) h52gif_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2) \ @@ -344,8 +343,12 @@ CHECK_CLEANFILES = *.chkexe *.chklog *.clog # Include src and tools/lib directories INCLUDES = -I$(top_srcdir)/src -I$(top_srcdir)/tools/lib -I$(top_srcdir)/hl/src + +# These are our main targets, the tools +TEST_SCRIPT = $(srcdir)/h52giftest.sh +check_SCRIPTS = $(TEST_SCRIPT) gif2h5_SOURCES = gif2hdf.c gif2mem.c decompress.c gifread.c writehdf.c -h52gif_SOURCES = hdf2gif.c hdfgifwr.c readhdf.c +h52gif_SOURCES = hdf2gif.c hdfgifwr.c h52gifgentst_SOURCES = h52gifgentst.c # Programs all depend on the hdf5 library, the tools library, and the HL @@ -452,7 +455,6 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/h52gifgentst.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hdf2gif.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hdfgifwr.Po@am__quote@ -@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/readhdf.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/writehdf.Po@am__quote@ .c.o: @@ -563,6 +565,7 @@ distdir: $(DISTFILES) fi; \ done check-am: all-am + $(MAKE) $(AM_MAKEFLAGS) $(check_SCRIPTS) $(MAKE) $(AM_MAKEFLAGS) check-TESTS check: check-am all-am: Makefile $(PROGRAMS) all-local diff --git a/hl/tools/gif2h5/h52gifgentst.c b/hl/tools/gif2h5/h52gifgentst.c index e8c49ba..b019ab4 100644 --- a/hl/tools/gif2h5/h52gifgentst.c +++ b/hl/tools/gif2h5/h52gifgentst.c @@ -36,7 +36,7 @@ #define WIDTH (hsize_t)400 #define HEIGHT (hsize_t)200 #define PAL_ENTRIES 256 -#define IMAGE1_NAME "12345678" +#define IMAGE1_NAME "image" #define PAL_NAME "palette" /*------------------------------------------------------------------------- @@ -102,3 +102,4 @@ int main(void) return 0; } + diff --git a/hl/tools/gif2h5/h52giftest.sh b/hl/tools/gif2h5/h52giftest.sh index 1300f03..80f6910 100644 --- a/hl/tools/gif2h5/h52giftest.sh +++ b/hl/tools/gif2h5/h52giftest.sh @@ -15,6 +15,7 @@ # # HDF Utilities Test script + TESTFILE1="$srcdir/../testfiles/h52giftst.h5" TESTFILE2="$srcdir/../testfiles/image1.gif" @@ -26,36 +27,39 @@ TESTING() { echo "Testing $* $SPACES" | cut -c1-70 | tr -d '\012' } + + TOOLTEST1() { -err=0 -$RUNSERIAL ./h52gif $* - -if [ $err -eq 1 ]; then -errors="` expr $errors + 1 `"; + $RUNSERIAL ./h52gif $* + + RET=$? + if [ $RET != 0 ] ; then echo "*FAILED*" -else + errors="` expr $errors + 1 `"; + else echo " PASSED" -fi + fi + } TOOLTEST2() { -err=0 -$RUNSERIAL ./gif2h5 $* - -if [ $err -eq 1 ]; then -errors="` expr $errors + 1 `"; + $RUNSERIAL ./gif2h5 $* + + RET=$? + if [ $RET != 0 ] ; then echo "*FAILED*" -else + errors="` expr $errors + 1 `"; + else echo " PASSED" -fi + fi } -TESTING "./h52gif h52giftst.h5 image1.gif -i 12345678 -p palette" -TOOLTEST1 $TESTFILE1 image1.gif -i 12345678 -p palette +TESTING "./h52gif h52giftst.h5 image1.gif -i image" +TOOLTEST1 $TESTFILE1 image1.gif -i image TESTING "./gif2h5 image1.gif image1.h5" TOOLTEST2 $TESTFILE2 image1.h5 diff --git a/hl/tools/gif2h5/hdf2gif.c b/hl/tools/gif2h5/hdf2gif.c index 8f06bd2..9ac0eb7 100644 --- a/hl/tools/gif2h5/hdf2gif.c +++ b/hl/tools/gif2h5/hdf2gif.c @@ -28,6 +28,8 @@ #include <stdio.h> #include <assert.h> #include "gif.h" +#include "H5IMpublic.h" + #define MAX_FILE_LEN 256 #define MAX_NUMBER_IMAGES 50 @@ -56,27 +58,21 @@ putword(int w, FILE *fp) static void usage(void) { - printf("Usage: h52gif <h5_file> <gif_file> -i <h5_image> [-p <h5_palette>]\n"); + printf("Usage: h52gif <h5_file> <gif_file> -i <h5_image>\n"); printf("h52gif expects *at least* one h5_image.\n"); - printf("You may repeat -i <h5_image> [-p <h5_palette>] at most 50 times\n"); + printf("You may repeat -i <h5_image> at most 50 times\n"); printf("(maximum of 50 images).\n"); } FILE *fpGif = NULL; int main(int argc , char **argv) { - - - hsize_t dim_sizes[2]; BYTE *Image; /* compression structs */ CHAR *HDFName = NULL; CHAR *GIFName = NULL; - /* reference variables */ - int has_local_palette; /* treated as a flag */ - BYTE* b; BYTE GlobalPalette[256][3]; @@ -85,16 +81,10 @@ int main(int argc , char **argv) BYTE Blue[256]; int RWidth, RHeight; -#ifdef UNUSED - int LeftOfs, TopOfs; - int CountDown; - int curx , cury; - int w,h; -#endif /* UNUSED */ int ColorMapSize, InitCodeSize, Background, BitsPerPixel; int j,nc; int i; - int numcols = 256; + int numcols; int time_out = 0; /* time between two images in the animation */ int n_images , idx; @@ -104,128 +94,125 @@ int main(int argc , char **argv) int number_of_images = 0; int arg_index = 2; int bool_is_image = 0; /* 0 = false , 1 = true */ - int bool_is_palette = 0; CHAR* image_name_arr[MAX_NUMBER_IMAGES]; - CHAR* pal_name_arr[MAX_NUMBER_IMAGES]; - if (argc < 5) { + if (argc < 4) + { /* they didn't supply at least one image -- bail */ usage(); - return 0; + return 1; } memset(image_name_arr , 0 , MAX_NUMBER_IMAGES); - memset(pal_name_arr , 0 , MAX_NUMBER_IMAGES); - HDFName = (CHAR *)malloc (strlen(argv[1]) + 1); - GIFName = (CHAR *)malloc (strlen(argv[2]) + 1); - - if (strlen(argv[1] + 1) > MAX_FILE_LEN || strlen(argv[2] + 1) > MAX_FILE_LEN) { + if (strlen(argv[1] + 1) > MAX_FILE_LEN || strlen(argv[2] + 1) > MAX_FILE_LEN) + { /* supplied file names are too long. bail. */ usage(); printf("Supplied filenames exceed maximum length of 256 bytes\n"); } - strcpy(HDFName , argv[1]); - strcpy(GIFName , argv[2]); + HDFName = argv[1]; + GIFName = argv[2]; /* get the options */ - while (arg_index++ < argc - 1 && number_of_images < MAX_NUMBER_IMAGES) { + while (arg_index++ < argc - 1 && number_of_images < MAX_NUMBER_IMAGES) + { if (!strcmp(argv[arg_index] , "-i")) { bool_is_image = 1; continue; } - if (!strcmp(argv[arg_index] , "-p")) { - bool_is_palette = 1; - continue; - } - if (!strcmp(argv[arg_index] , "-a")) { time_out = 10; continue; } - if (bool_is_image) { + if (bool_is_image) + { /* this is an image */ /* allocate space to store the image name */ size_t len = strlen(argv[arg_index]); image_name_arr[number_of_images] = (CHAR*) malloc( len + 1); strcpy(image_name_arr[number_of_images] , argv[arg_index]); - /* make the palette array for this NULL */ - pal_name_arr[number_of_images] = NULL; number_of_images++; bool_is_image = 0; continue; } - if (bool_is_palette) { - /* this is a palette */ - /* allocate space to store the pal name */ - /* the palette was probably allocated for a previous image */ - size_t len = strlen(argv[arg_index]); - pal_name_arr[number_of_images-1] = (CHAR*) malloc( len + 1); - strcpy(pal_name_arr[number_of_images - 1], argv[arg_index]); - bool_is_palette = 0; - continue; - } - /* oops. This was not meant to happen */ usage(); - while (number_of_images--) { - cleanup(image_name_arr[number_of_images]); - cleanup(pal_name_arr[number_of_images]); - } - - return -1; + goto out; } - /* we shall always have a palette - read hdf will see to that */ - has_local_palette = true; - - /* Do Endian Order testing and set Endian Order */ + /* Do Endian Order testing and set Endian Order */ idx = 0x0001; b = (BYTE *) &idx; EndianOrder = (b[0] ? 1:0); - if (!(fpGif = fopen(GIFName , "wb"))) { + if (!(fpGif = fopen(GIFName , "wb"))) + { printf("Error opening gif file for output. Aborting.\n"); - return -1; + goto out; } /* hardwire n_images to 1 for now. */ n_images = number_of_images; Background = 0; - for (idx = 0 ; idx < n_images ; idx++) { - /* try to read the image and the palette */ - - /* - * Lots of funky stuff to support multiple images has been taken off. - * Just in case you're extending code, here's what you need to do in - * short: figure out if there is a global palette or not, if there is - * one store that one only. If they are all local or a combination of - * local and global palettes, you will have to write the global - * palette out and then independantly write the smaller local palettes - */ - if (ReadHDF(&Image, GlobalPalette, dim_sizes, HDFName, - image_name_arr[idx], pal_name_arr[idx]) < 0) { - fprintf(stderr , "Unable to read image %s from HDF file %s\n",image_name_arr[idx],HDFName); - return -1; + for (idx = 0 ; idx < n_images ; idx++) + { + + hsize_t width, height, planes; + hid_t fid; + char interlace[20]; + hssize_t npals; + hsize_t pal_dims[2]; + unsigned char *pal; + char *image_name = image_name_arr[idx]; + + if ((fid = H5Fopen(HDFName , H5F_ACC_RDONLY , H5P_DEFAULT)) < 0) { + fprintf(stderr , "Unable to open HDF file for input. Aborting.\n"); + goto out; } + + /* read image */ + if ( H5IMget_image_info( fid, image_name, &width, &height, &planes, interlace, &npals ) < 0 ) + goto out; + + Image = (BYTE*) malloc( (size_t) width * (size_t) height ); + + if ( H5IMread_image( fid, image_name, Image ) < 0 ) + goto out; + + if (npals) + { + if ( H5IMget_palette_info( fid, image_name, 0, pal_dims ) < 0 ) + goto out; + + pal = (BYTE*) malloc( (size_t) pal_dims[0] * (size_t) pal_dims[1] ); + + if ( H5IMget_palette( fid, image_name, 0, pal ) < 0 ) + goto out; + + numcols = (int) pal_dims[0]; + + for (i = 0, j = 0 ; i < numcols ; j+=3, i++) + { + GlobalPalette[i][0] = pal[j]; + GlobalPalette[i][1] = pal[j+1]; + GlobalPalette[i][2] = pal[j+2]; + } - assert(dim_sizes[0]==(hsize_t)((int)dim_sizes[0])); - assert(dim_sizes[1]==(hsize_t)((int)dim_sizes[1])); - RWidth = (int)dim_sizes[1]; - RHeight = (int)dim_sizes[0]; -#ifdef UNUSED - w = dim_sizes[1]; - h = dim_sizes[0]; - - LeftOfs = TopOfs = 0; -#endif /* UNUSED */ + free(pal); + } + + H5Fclose(fid); + + RWidth = (int)width; + RHeight = (int)height; /* @@ -237,48 +224,61 @@ int main(int argc , char **argv) * palette * 2. Check for palettes in any of the other images. */ - if (!has_local_palette) { - for (i = 0 ; i < 256 ; i++) { + if (!npals) + { + numcols = 256; + for (i = 0 ; i < numcols ; i++) + { Red[i] = 255 - i; Green[i] = 255 - i; Blue[i] = 255 - i; } - } else { - for (i = 0 ; i < 256 ; i++){ + } + else + { + for (i = 0 ; i < numcols ; i++) + { Red[i] = GlobalPalette[i][0]; Green[i] = GlobalPalette[i][1]; Blue[i] = GlobalPalette[i][2]; } } - for (i = 0; i < 256; i++) { + for (i = 0; i < numcols; i++) + { pc2nc[i] = r1[i] = g1[i] = b1[i] = 0; } /* compute number of unique colors */ nc = 0; - for (i = 0; i < numcols; i++) { + for (i = 0; i < numcols; i++) + { /* see if color #i is already used */ - for (j = 0; j < i; j++) { + for (j = 0; j < i; j++) + { if (Red[i] == Red[j] && Green[i] == Green[j] && Blue[i] == Blue[j]) break; } - - if (j==i) { + + if (j==i) + { /* wasn't found */ pc2nc[i] = nc; r1[nc] = Red[i]; g1[nc] = Green[i]; b1[nc] = Blue[i]; nc++; - } else { + } + else + { pc2nc[i] = pc2nc[j]; } } /* figure out 'BitsPerPixel' */ - for (i = 1; i < 8; i++) { + for (i = 1; i < 8; i++) + { if ((1<<i) >= nc) break; } @@ -286,33 +286,30 @@ int main(int argc , char **argv) BitsPerPixel = i; ColorMapSize = 1 << BitsPerPixel; -#ifdef UNUSED - CountDown = w * h; /* # of pixels we'll be doing */ -#endif /* UNUSED */ - if (BitsPerPixel <= 1) InitCodeSize = 2; else InitCodeSize = BitsPerPixel; -#ifdef UNUSED - curx = cury = 0; -#endif /* UNUSED */ - - if (!fpGif) { + if (!fpGif) + { fprintf(stderr, "WriteGIF: file not open for writing\n" ); - return (1); + goto out; } /* * If it is the first image we do all the header stuff that isn't * required for the rest of the images. */ - if (idx == 0) { + if (idx == 0) + { /* Write out the GIF header and logical screen descriptor */ - if (n_images > 1) { + if (n_images > 1) + { fwrite("GIF89a", sizeof( char ), 6, fpGif); /* the GIF magic number */ - } else { + } + else + { fwrite("GIF87a", sizeof( char ), 6, fpGif); /* the GIF magic number */ } @@ -331,7 +328,8 @@ int main(int argc , char **argv) * If loop_times is 0 , put in the application extension to make * the gif anime loop indefinitely */ - if (time_out > 0) { + if (time_out > 0) + { fputc(0x21 , fpGif); fputc(0xFF , fpGif); fputc(11 , fpGif); @@ -344,7 +342,8 @@ int main(int argc , char **argv) } } - if (n_images > 1) { + if (n_images > 1) + { /* write a graphic control block */ fputc(0x21 , fpGif); fputc(0xF9 , fpGif); @@ -368,7 +367,8 @@ int main(int argc , char **argv) /* since we always have a local color palette ... */ fputc((0x80 | (BitsPerPixel - 1)) , fpGif); - for (i = 0; i < ColorMapSize; i++) { + for (i = 0; i < ColorMapSize; i++) + { /* write out Global colormap */ fputc(r1[i], fpGif); fputc(g1[i], fpGif); @@ -377,32 +377,42 @@ int main(int argc , char **argv) fputc(InitCodeSize , fpGif); - i = hdfWriteGIF(fpGif , Image , 0 , (int)dim_sizes[0] , - (int)dim_sizes[1] , r1, g1 , b1 , pc2nc , 256 , 8 , - BitsPerPixel); + i = hdfWriteGIF(fpGif , Image , 0 , RHeight , RWidth , r1, g1 , b1 , pc2nc , 256 , 8 , BitsPerPixel); fputc(0x00, fpGif); free(Image); } - if (fputc(';',fpGif) == EOF) { + if (fputc(';',fpGif) == EOF) + { /* Write GIF file terminator */ fprintf(stderr , "Error!"); - return -1; + goto out; } - fclose(fpGif); + if (fpGif != NULL) + fclose(fpGif); - if (HDFName != NULL) - free(HDFName); - if (GIFName != NULL) - free(GIFName); - while(number_of_images--) { + while(number_of_images--) + { if (image_name_arr[number_of_images]) free(image_name_arr[number_of_images]); - if (pal_name_arr[number_of_images]) - free(pal_name_arr[number_of_images]); } + return 0; + + +out: + + while(number_of_images--) + { + if (image_name_arr[number_of_images]) + free(image_name_arr[number_of_images]); + } + if (fpGif != NULL) + fclose(fpGif); + + + return 1; } diff --git a/hl/tools/gif2h5/readhdf.c b/hl/tools/gif2h5/readhdf.c deleted file mode 100644 index a66bf85..0000000 --- a/hl/tools/gif2h5/readhdf.c +++ /dev/null @@ -1,255 +0,0 @@ -/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * - * Copyright by The HDF Group. * - * Copyright by the Board of Trustees of the University of Illinois. * - * All rights reserved. * - * * - * This file is part of HDF5. The full HDF5 copyright notice, including * - * terms governing use, modification, and redistribution, is contained in * - * the files COPYING and Copyright.html. COPYING can be found at the root * - * of the source code distribution tree; Copyright.html can be found at the * - * root level of an installed copy of the electronic HDF5 document set and * - * is linked from the top-level documents page. It can also be found at * - * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * - * access to either file, you may request a copy from help@hdfgroup.org. * - * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -#include "gif.h" -#include "h5tools.h" - - -/* just a small cleanup routine before we leave */ -void -cleanup(BYTE *ptr) -{ - if (ptr) - free(ptr); -} - -/* Function: ReadHDF -** Return: 0 on completion without error, -1 on error -** Input: CHAR *h5_file - HDF file name -** CHAR *dset_name - Name of the HDF Image dataset -** CHAR *pal_name - Name of the HDF palette -** Output: BYTE** data - the HDF Image to be converted -** BYTE palette[256][3] - the corresponding palette -** hsize_t* image_size - the size of each dimension of the image -** -** Future Notes: -** The way readHDF works right now is that it expects the user -** to know the exact path to the HDF image. Thus it does not -** parse the HDF file looking for image datasets and corresponding -** palettes. Also it takes in the default palette for the image -** specified, if the palette is missing, it makes a default greyscale -** palette and throws it in. -** -** Modifications: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu -** Date: December 15, 2005 -** Changed the HDF5 read routines to use memory types and sizes, -** for both the image and pallete datasets -** -*/ -int ReadHDF(BYTE** data, BYTE palette[256][3], hsize_t *image_size, - CHAR *h5_file, CHAR *dset_name, CHAR *pal_name) -{ - hid_t fHfile; /* H5 file to open */ - hid_t dspace; /* dataspace identifier for the the dataset */ - hid_t dtype; /* datatype identifier for the the dataset */ - hid_t mtype_id; /* memory data type ID */ - size_t msize; /* memory size of memory type */ - hid_t dset; /* dataset identifier */ - hid_t pal_set; /* dataset for palette */ - hid_t pal_space; /* dataspace for palette */ - hid_t pal_dtype; /* datatype for palette */ - hsize_t datasize; /* size of the image */ - int pal_exist=0; /* do we have a palette? */ - - /* check stuff */ - if (!h5_file || !dset_name || !image_size) { - fprintf(stderr, "NULL is not an acceptable input for HDFread. Aborting.\n"); - return -1; - } - - /* do we have a palette ? */ - if (pal_name) { - pal_exist = 1; - } - - /* try opening the file */ - /* H5 file open calls */ - if ((fHfile = H5Fopen(h5_file , H5F_ACC_RDONLY , H5P_DEFAULT)) < 0) { - fprintf(stderr , "Unable to open HDF file for input. Aborting.\n"); - return -1; - } - - /* open the dataset for reading */ - if ((dset = H5Dopen(fHfile , dset_name)) < 0) { - fprintf(stderr , "Unable to open dataset\n"); - return -1; - } - - dtype = H5Dget_type(dset); - if (dtype < 0) { - fprintf(stderr , "Unable to open datatype\n"); - return -1; - } - if (H5Tget_class(dtype) != H5T_INTEGER) { - fprintf(stderr , "Data is not integer. Cannot convert to GIF\n"); - return -1; - } - if (H5Tget_size(dtype) != 1) { - fprintf(stderr , "Data is %d bytes per pixel. Cannot convert to GIF\n",(int)H5Tget_size(dtype)); - return -1; - } - - /* get the dataspace */ - if ((dspace = H5Dget_space(dset)) < 0) { - fprintf(stderr , "Unable to get dataspace\n"); - return -1; - } - - /* get the dimension size of the image */ - if (H5Sget_simple_extent_dims(dspace , image_size , NULL) <0 ) { - fprintf(stderr , "Unable to get dimension info\n"); - return -1; - } - - /* get memory type */ - if ((mtype_id=h5tools_get_native_type(dtype))<0){ - fprintf(stderr , "Unable to get memory type\n"); - return -1; - } - - /* get memory datatype size */ - if ((msize=H5Tget_size(mtype_id))==0){ - fprintf(stderr , "Unable to get memory size\n"); - return -1; - } - - /* size needed to store the image */ - datasize = image_size[0] * image_size[1]; - - /* allocate memory to store the image */ - if ((*data = (BYTE*) malloc((size_t)datasize*msize)) == NULL) { - fprintf(stderr , "Out of memory, exiting"); - return -1; - } - - /* get the actual image */ - if (H5Dread(dset , mtype_id, H5S_ALL , H5S_ALL , H5P_DEFAULT , *data) < 0) { - fprintf(stderr , "Unable to read data \n"); - cleanup(*data); - return -1; - } - - if (pal_exist) { - hsize_t loc_pal_size[2]; - hsize_t pal_datasize; - hid_t pal_mtype_id; - void *temp_buf; - - /* get the palette dataset */ - if ((pal_set = H5Dopen(fHfile , pal_name)) < 0) { - fprintf(stderr , "Unable to open dataset\n"); - pal_exist = 0; - return -1; - } - - pal_dtype = H5Dget_type(pal_set); - if (dtype < 0) { - fprintf(stderr , "Unable to open palette datatype\n"); - return -1; - } - if (H5Tget_class(pal_dtype) != H5T_INTEGER) { - fprintf(stderr , "Palette data is not integer. Cannot convert to GIF\n"); - return -1; - } - if (H5Tget_size(pal_dtype) != 1) { - fprintf(stderr , "Palette data is %d bytes per pixel. Cannot convert to GIF\n",(int)H5Tget_size(pal_dtype)); - return -1; - } - - /* get the dataspace */ - if ((pal_space = H5Dget_space(pal_set)) < 0) { - fprintf(stderr , "Unable to get dataspace\n"); - pal_exist = 0; - return -1; - } - - /* get the dimension size of the palette. */ - if (H5Sget_simple_extent_dims(pal_space , loc_pal_size , NULL) !=2 ) { - fprintf(stderr , "Unable to get dimension info\n"); - pal_exist = 0; - return -1; - } - - /* get memory type */ - if ((pal_mtype_id=h5tools_get_native_type(pal_dtype))<0){ - fprintf(stderr , "Unable to get memory type\n"); - return -1; - } - - /* get memory datatype size */ - if ((msize=H5Tget_size(pal_mtype_id))==0){ - fprintf(stderr , "Unable to get memory size\n"); - return -1; - } - - /* size needed to store the image */ - pal_datasize = loc_pal_size[0] * loc_pal_size[1]; - - /* copy stuff into a temp buffer and then copy 256*3 elements to palette */ - temp_buf=(void *) malloc((unsigned)(pal_datasize*msize)); - if ( temp_buf==NULL){ - printf( "cannot read into memory\n" ); - return -1; - } - /* - * make sure that the palette is actually 256 X 3 so that we don't - * create overflows - */ - if (pal_datasize > 256 * 3) { - fprintf(stderr , "Palette seems to be more than 256X3 bytes\n"); - fprintf(stderr , "Truncating palette to 256 colors. This might cause a problem with the final image\n"); - pal_datasize = 256 * 3; - } - - /* get the actual palette */ - if (H5Dread(pal_set , pal_mtype_id, H5S_ALL , H5S_ALL , H5P_DEFAULT , temp_buf) < 0) { - fprintf(stderr , "Unable to read data \n"); - cleanup(*data); - cleanup(temp_buf); - return -1; - } - - /* copy stuff into the actual palette */ - memcpy(palette , temp_buf , (size_t)pal_datasize); - - /* get rid of the temp memory */ - cleanup(temp_buf); - - /* close pal ids */ - H5Dclose(pal_set); - H5Sclose(pal_space); - H5Tclose(pal_dtype); - H5Tclose(pal_mtype_id); - /* end of if (pal_exist) */ - } else { - int i; - /* - * if palette does not exist we just go ahead and create a uniform - * greyscale palette - */ - for (i = 0 ; i < 256 ; i++) { - palette[i][0] = 255 - i; - palette[i][1] = 255 - i; - palette[i][2] = 255 - i; - } - } - - /* close everything */ - H5Dclose(dset); - H5Sclose(dspace); - H5Tclose(dtype); - H5Tclose(mtype_id); - H5Fclose(fHfile); - return 0; -} |