diff options
Diffstat (limited to 'tools/gifconv/readhdf.c')
| -rw-r--r-- | tools/gifconv/readhdf.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/tools/gifconv/readhdf.c b/tools/gifconv/readhdf.c index 5fad7e9..4b05ad9 100644 --- a/tools/gifconv/readhdf.c +++ b/tools/gifconv/readhdf.c @@ -44,9 +44,11 @@ int ReadHDF(BYTE** data, BYTE palette[256][3], hsize_t *image_size, { 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 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? */ @@ -74,6 +76,20 @@ int ReadHDF(BYTE** data, BYTE palette[256][3], hsize_t *image_size, 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",H5Tget_size(dtype)); + return -1; + } + /* get the dataspace */ if ((dspace = H5Dget_space(dset)) < 0) { fprintf(stderr , "Unable to get dataspace\n"); @@ -96,7 +112,7 @@ int ReadHDF(BYTE** data, BYTE palette[256][3], hsize_t *image_size, } /* get the actual image */ - if (H5Dread(dset , H5Dget_type(dset) , H5S_ALL , H5S_ALL , H5P_DEFAULT , *data) < 0) { + if (H5Dread(dset , H5Tget_native_type(dtype, H5T_DIR_ASCEND) , H5S_ALL , H5S_ALL , H5P_DEFAULT , *data) < 0) { fprintf(stderr , "Unable to read data \n"); cleanup(*data); return -1; @@ -115,6 +131,20 @@ int ReadHDF(BYTE** data, BYTE palette[256][3], hsize_t *image_size, 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",H5Tget_size(pal_dtype)); + return -1; + } + /* get the dataspace */ if ((pal_space = H5Dget_space(pal_set)) < 0) { fprintf(stderr , "Unable to get dataspace\n"); @@ -147,7 +177,7 @@ int ReadHDF(BYTE** data, BYTE palette[256][3], hsize_t *image_size, } /* get the actual palette */ - if (H5Dread(pal_set , H5Dget_type(pal_set) , H5S_ALL , H5S_ALL , H5P_DEFAULT , temp_buf) < 0) { + if (H5Dread(pal_set , H5Tget_native_type(pal_dtype, H5T_DIR_ASCEND) , H5S_ALL , H5S_ALL , H5P_DEFAULT , temp_buf) < 0) { fprintf(stderr , "Unable to read data \n"); cleanup(*data); cleanup(temp_buf); |