Changeset 23724 for trunk/Ohana/src/libfits/matrix/F_compress_M.c

Timestamp:

Apr 7, 2009, 12:45:31 PM (17 years ago)

Author:

eugene

Message:

handle images compressed with CFITSIO gzip compression

File:

• trunk/Ohana/src/libfits/matrix/F_compress_M.c (modified) (2 diffs)

trunk/Ohana/src/libfits/matrix/F_compress_M.c

@@ -248 +248 @@
     // XXX not certain this is the correct place to do the swap (or if zdata_pixsize is
     // the correct size to guide the swap)
-    if (!gfits_byteswap_zdata (zdata, Nzdata, zdata_pixsize)) return (FALSE);
+
+    if (strcasecmp(cmptype, "GZIP_1")) {
+      if (!gfits_byteswap_zdata (zdata, Nzdata, zdata_pixsize)) return (FALSE);
+    }
 
     // gfits_uncompress_data uncompresses from zdata to the temporary output buffer which must be allocated
@@ -496 +499 @@
 
   if (!strcasecmp(cmptype, "GZIP_1")) {
-    return (4);
+    if (out_bitpix == 8)  return (1);
+    if (out_bitpix == 16) return (2);
+    if (out_bitpix == 32) return (4);
+    if (out_bitpix == -32) return (4);
+    if (out_bitpix == -64) return (8);
+    return (1);
   }
   if (!strcasecmp(cmptype, "RICE_1")) {