diff options
Diffstat (limited to 'hl/tools/gif2h5/hdf2gif.c')
| -rw-r--r-- | hl/tools/gif2h5/hdf2gif.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/hl/tools/gif2h5/hdf2gif.c b/hl/tools/gif2h5/hdf2gif.c index 090d657..5c342ba 100644 --- a/hl/tools/gif2h5/hdf2gif.c +++ b/hl/tools/gif2h5/hdf2gif.c @@ -20,6 +20,8 @@ #include "h5tools.h" #include "h5tools_utils.h" +#define IMAGE_WIDTH_MAX 65535 /* unsigned 16bits integer */ +#define IMAGE_HEIGHT_MAX 65535 /* unsigned 16bits integer */ int EndianOrder; @@ -147,6 +149,17 @@ int main(int argc , char **argv) if ( H5IMget_image_info( fid, image_name, &width, &height, &planes, interlace, &npals ) < 0 ) goto out; + if (width > IMAGE_WIDTH_MAX || height > IMAGE_HEIGHT_MAX){ + fprintf(stderr, "HDF5 image is too large. Limit is %d by %d.\n", IMAGE_WIDTH_MAX, IMAGE_HEIGHT_MAX); + goto out; + } + + /* tool can handle single plane images only. */ + if (planes > 1){ + fprintf(stderr, "Cannot handle multiple planes image\n"); + goto out; + } + Image = (BYTE*) malloc( (size_t) width * (size_t) height ); if ( H5IMread_image( fid, image_name, Image ) < 0 ) @@ -194,9 +207,9 @@ int main(int argc , char **argv) numcols = 256; for (i = 0 ; i < numcols ; i++) { - Red[i] = 255 - i; - Green[i] = 255 - i; - Blue[i] = 255 - i; + Red[i] = (BYTE)(255 - i); + Green[i] = (BYTE)(255 - i); + Blue[i] = (BYTE)(255 - i); } } else @@ -229,7 +242,7 @@ int main(int argc , char **argv) if (j==i) { /* wasn't found */ - pc2nc[i] = nc; + pc2nc[i] = (BYTE)nc; r1[nc] = Red[i]; g1[nc] = Green[i]; b1[nc] = Blue[i]; |