[gimp/soc-2011-seamless-clone2] plug-ins: completely reformat fits-io.*
- From: Clayton Walker <claytonw src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp/soc-2011-seamless-clone2] plug-ins: completely reformat fits-io.*
- Date: Wed, 8 May 2013 14:55:37 +0000 (UTC)
commit 72d403257baeeee877fc9b18ab8c60c83916fd6c
Author: Michael Natterer <mitch gimp org>
Date: Sat Jan 12 00:46:09 2013 +0100
plug-ins: completely reformat fits-io.*
plug-ins/file-fits/fits-io.c | 3294 +++++++++++++++++++++++-------------------
plug-ins/file-fits/fits-io.h | 211 ++--
2 files changed, 1915 insertions(+), 1590 deletions(-)
---
diff --git a/plug-ins/file-fits/fits-io.c b/plug-ins/file-fits/fits-io.c
index 92a8afc..c95c400 100644
--- a/plug-ins/file-fits/fits-io.c
+++ b/plug-ins/file-fits/fits-io.c
@@ -96,95 +96,98 @@
/* Declaration of local funtions */
-static FITS_FILE *fits_new_filestruct (void);
-static FITS_HDU_LIST *fits_new_hdulist (void);
-static void fits_delete_filestruct (FITS_FILE *ff);
-static void fits_delete_recordlist (FITS_RECORD_LIST *rl);
-static void fits_delete_hdulist (FITS_HDU_LIST *hl);
-static int fits_nan_32 (unsigned char *value);
-static int fits_nan_64 (unsigned char *value);
-static void fits_set_error (const char *errmsg);
-static void fits_drop_error (void);
-static FITS_RECORD_LIST *fits_read_header (FILE *fp, int *nrec);
-static FITS_HDU_LIST *fits_decode_header (FITS_RECORD_LIST *hdr,
- long hdr_offset, long dat_offset);
-static int fits_eval_pixrange (FILE *fp, FITS_HDU_LIST *hdu);
+static FITS_FILE * fits_new_filestruct (void);
+static FITS_HDU_LIST * fits_new_hdulist (void);
+static void fits_delete_filestruct (FITS_FILE *ff);
+static void fits_delete_recordlist (FITS_RECORD_LIST *rl);
+static void fits_delete_hdulist (FITS_HDU_LIST *hl);
+static gint fits_nan_32 (guchar *value);
+static gint fits_nan_64 (guchar *value);
+static void fits_set_error (const char *errmsg);
+static void fits_drop_error (void);
+static FITS_RECORD_LIST * fits_read_header (FILE *fp,
+ gint *nrec);
+static FITS_HDU_LIST * fits_decode_header (FITS_RECORD_LIST *hdr,
+ glong hdr_offset,
+ glong dat_offset);
+static gint fits_eval_pixrange (FILE *fp,
+ FITS_HDU_LIST *hdu);
/* Error handling like a FIFO */
#define FITS_MAX_ERROR 16
#define FITS_ERROR_LENGTH 256
-static int fits_n_error = 0;
-static char fits_error[FITS_MAX_ERROR][FITS_ERROR_LENGTH];
+
+static gint fits_n_error = 0;
+static gchar fits_error[FITS_MAX_ERROR][FITS_ERROR_LENGTH];
/* What byte ordering for IEEE-format we are running on ? */
-static int fits_ieee32_intel = 0;
-static int fits_ieee32_motorola = 0;
-static int fits_ieee64_intel = 0;
-static int fits_ieee64_motorola = 0;
+static gint fits_ieee32_intel = 0;
+static gint fits_ieee32_motorola = 0;
+static gint fits_ieee64_intel = 0;
+static gint fits_ieee64_motorola = 0;
/* Macros */
#define FITS_RETURN(msg, val) { fits_set_error (msg); return (val); }
-#define FITS_VRETURN(msg) { fits_set_error (msg); return; }
+#define FITS_VRETURN(msg) { fits_set_error (msg); return; }
-/* Get pixel values from memory. p must be an (unsigned char *) */
+/* Get pixel values from memory. p must be an (guchar *) */
#define FITS_GETBITPIX16(p,val) val = ((p[0] << 8) | (p[1]))
#define FITS_GETBITPIX32(p,val) val = \
((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])
-/* Get floating point values from memory. p must be an (unsigned char *). */
+/* Get floating point values from memory. p must be an (guchar *). */
/* The floating point values must directly correspond */
/* to machine representation. Otherwise it does not work. */
#define FITS_GETBITPIXM32(p,val) \
- { if (fits_ieee32_intel) {unsigned char uc[4]; \
+ { if (fits_ieee32_intel) {guchar uc[4]; \
uc[0] = p[3]; uc[1] = p[2]; uc[2] = p[1]; uc[3] = p[0]; \
val = *(FITS_BITPIXM32 *)uc; } \
else if (fits_ieee32_motorola) { val = *(FITS_BITPIXM32 *)p; } \
else if (fits_ieee64_motorola) {FITS_BITPIXM64 m64; \
- unsigned char *uc= (unsigned char *)&m64; \
+ guchar *uc= (guchar *)&m64; \
uc[0]=p[0]; uc[1]=p[1]; uc[2]=p[2]; uc[3]=p[3]; uc[4]=uc[5]=uc[6]=uc[7]=0; \
val = (FITS_BITPIXM32)m64; } \
else if (fits_ieee64_intel) {FITS_BITPIXM64 i64; \
- unsigned char *uc= (unsigned char *)&i64; \
+ guchar *uc= (guchar *)&i64; \
uc[0]=uc[1]=uc[2]=uc[3]=0; uc[7]=p[0]; uc[6]=p[1]; uc[5]=p[2]; uc[4]=p[3]; \
- val = (FITS_BITPIXM32)i64;}\
-}
+ val = (FITS_BITPIXM32)i64;} }
#define FITS_GETBITPIXM64(p,val) \
- { if (fits_ieee64_intel) {unsigned char uc[8]; \
+ { if (fits_ieee64_intel) {guchar uc[8]; \
uc[0] = p[7]; uc[1] = p[6]; uc[2] = p[5]; uc[3] = p[4]; \
uc[4] = p[3]; uc[5] = p[2]; uc[6] = p[1]; uc[7] = p[0]; \
val = *(FITS_BITPIXM64 *)uc; } else val = *(FITS_BITPIXM64 *)p; }
#define FITS_WRITE_BOOLCARD(fp,key,value) \
-{char card[81]; \
- sprintf (card, "%-8.8s= %20s%50s", key, value ? "T" : "F", " "); \
- fwrite (card, 1, 80, fp); }
+{ char card[81]; \
+ sprintf (card, "%-8.8s= %20s%50s", key, value ? "T" : "F", " "); \
+ fwrite (card, 1, 80, fp); }
#define FITS_WRITE_LONGCARD(fp,key,value) \
-{char card[81]; \
- sprintf (card, "%-8.8s= %20ld%50s", key, (long)value, " "); \
- fwrite (card, 1, 80, fp); }
+{ char card[81]; \
+ sprintf (card, "%-8.8s= %20ld%50s", key, (long)value, " "); \
+ fwrite (card, 1, 80, fp); }
#define FITS_WRITE_DOUBLECARD(fp,key,value) \
-{char card[81], dbl[21], *istr; \
- g_ascii_formatd (dbl, sizeof(dbl), "%f", (gdouble)value); \
- istr = strstr (dbl, "e"); \
- if (istr) *istr = 'E'; \
- sprintf (card, "%-8.8s= %20.20s%50s", key, dbl, " "); \
- fwrite (card, 1, 80, fp); }
+{ char card[81], dbl[21], *istr; \
+ g_ascii_formatd (dbl, sizeof(dbl), "%f", (gdouble)value); \
+ istr = strstr (dbl, "e"); \
+ if (istr) *istr = 'E'; \
+ sprintf (card, "%-8.8s= %20.20s%50s", key, dbl, " "); \
+ fwrite (card, 1, 80, fp); }
#define FITS_WRITE_STRINGCARD(fp,key,value) \
-{char card[81]; int k;\
- sprintf (card, "%-8.8s= \'%s", key, value); \
- for (k = strlen (card); k < 81; k++) card[k] = ' '; \
- k = strlen (key); if (k < 8) card[19] = '\''; else card[11+k] = '\''; \
- fwrite (card, 1, 80, fp); }
+{ char card[81]; int k;\
+ sprintf (card, "%-8.8s= \'%s", key, value); \
+ for (k = strlen (card); k < 81; k++) card[k] = ' '; \
+ k = strlen (key); if (k < 8) card[19] = '\''; else card[11+k] = '\''; \
+ fwrite (card, 1, 80, fp); }
#define FITS_WRITE_CARD(fp,value) \
-{char card[81]; \
- sprintf (card, "%-80.80s", value); \
- fwrite (card, 1, 80, fp); }
+{ char card[81]; \
+ sprintf (card, "%-80.80s", value); \
+ fwrite (card, 1, 80, fp); }
/* Macro to convert a double value to a string using '.' as decimal point */
@@ -206,51 +209,56 @@ static int fits_ieee64_motorola = 0;
/* #END-PAR */
/*****************************************************************************/
-static int fits_scanfdouble (const char *buf, double *value)
+static gboolean
+fits_scanfdouble (const gchar *buf,
+ gdouble *value)
{
- int retval = 0;
- gchar *bufcopy = g_strdup (buf);
-
- /* We should use g_ascii_strtod. This also allows scanning of hexadecimal */
- /* values like 0x02. But we want the behaviour of sscanf ("0x02","%lf",...*/
- /* that gives 0.0 in this case. So check the string if we have a hex-value*/
-
- if ( bufcopy )
- {
- gchar *bufptr = bufcopy;
-
- /* Remove leading white space */
- g_strchug (bufcopy);
-
- /* Skip leading sign character */
- if ( (*bufptr == '-') || (*bufptr == '+') )
- bufptr++;
-
- /* Start of hex value ? Take this as 0.0 */
- if ( (bufptr[0] == '0') && (g_ascii_toupper (bufptr[1]) == 'X') )
- {
- *value = 0.0;
- retval = 1;
- }
- else
- {
- if ( *bufptr == '.' ) /* leading decimal point ? Skip it */
- bufptr++;
-
- if (g_ascii_isdigit (*bufptr)) /* Expect the complete string is decimal */
- {
- gchar *endptr;
- gdouble gvalue = g_ascii_strtod (bufcopy, &endptr);
- if ( errno == 0 )
- {
- *value = gvalue;
- retval = 1;
- }
- }
- }
- g_free (bufcopy);
- }
- return retval;
+ gboolean retval = FALSE;
+ gchar *bufcopy = g_strdup (buf);
+
+ /* We should use g_ascii_strtod. This also allows scanning of hexadecimal */
+ /* values like 0x02. But we want the behaviour of sscanf ("0x02","%lf",...*/
+ /* that gives 0.0 in this case. So check the string if we have a hex-value*/
+
+ if (bufcopy)
+ {
+ gchar *bufptr = bufcopy;
+
+ /* Remove leading white space */
+ g_strchug (bufcopy);
+
+ /* Skip leading sign character */
+ if ((*bufptr == '-') || (*bufptr == '+'))
+ bufptr++;
+
+ /* Start of hex value ? Take this as 0.0 */
+ if ((bufptr[0] == '0') && (g_ascii_toupper (bufptr[1]) == 'X'))
+ {
+ *value = 0.0;
+ retval = TRUE;
+ }
+ else
+ {
+ if (*bufptr == '.') /* leading decimal point ? Skip it */
+ bufptr++;
+
+ if (g_ascii_isdigit (*bufptr)) /* Expect the complete string is decimal */
+ {
+ gchar *endptr;
+ gdouble gvalue = g_ascii_strtod (bufcopy, &endptr);
+
+ if (errno == 0)
+ {
+ *value = gvalue;
+ retval = TRUE;
+ }
+ }
+ }
+
+ g_free (bufcopy);
+ }
+
+ return retval;
}
/*****************************************************************************/
@@ -267,15 +275,18 @@ static int fits_scanfdouble (const char *buf, double *value)
/* #END-PAR */
/*****************************************************************************/
-static FITS_FILE *fits_new_filestruct (void)
+static FITS_FILE *
+fits_new_filestruct (void)
+{
+ FITS_FILE *ff;
-{FITS_FILE *ff;
+ ff = (FITS_FILE *)malloc (sizeof (FITS_FILE));
+ if (ff == NULL)
+ return NULL;
- ff = (FITS_FILE *)malloc (sizeof (FITS_FILE));
- if (ff == NULL) return (NULL);
+ memset ((char *)ff, 0, sizeof (*ff));
- memset ((char *)ff, 0, sizeof (*ff));
- return (ff);
+ return ff;
}
@@ -293,18 +304,10 @@ static FITS_FILE *fits_new_filestruct (void)
/* #END-PAR */
/*****************************************************************************/
-static FITS_HDU_LIST *fits_new_hdulist (void)
-
-{FITS_HDU_LIST *hdl;
-
- hdl = (FITS_HDU_LIST *)malloc (sizeof (FITS_HDU_LIST));
- if (hdl == NULL) return (NULL);
-
- memset ((char *)hdl, 0, sizeof (*hdl));
- hdl->pixmin = hdl->pixmax = hdl->datamin = hdl->datamax = 0.0;
- hdl->bzero = hdl->bscale = 0.0;
-
- return (hdl);
+static FITS_HDU_LIST *
+fits_new_hdulist (void)
+{
+ return g_new0 (FITS_HDU_LIST, 1);
}
@@ -322,16 +325,16 @@ static FITS_HDU_LIST *fits_new_hdulist (void)
/* #END-PAR */
/*****************************************************************************/
-static void fits_delete_filestruct (FITS_FILE *ff)
-
+static void
+fits_delete_filestruct (FITS_FILE *ff)
{
- if (ff == NULL) return;
+ if (ff == NULL)
+ return;
- fits_delete_hdulist (ff->hdu_list);
- ff->hdu_list = NULL;
+ fits_delete_hdulist (ff->hdu_list);
+ ff->hdu_list = NULL;
- ff->fp = NULL;
- free ((char *)ff);
+ g_free (ff);
}
@@ -347,17 +350,18 @@ static void fits_delete_filestruct (FITS_FILE *ff)
/* #END-PAR */
/*****************************************************************************/
-static void fits_delete_recordlist (FITS_RECORD_LIST *rl)
-
-{FITS_RECORD_LIST *next;
-
- while (rl != NULL)
- {
- next = rl->next_record;
- rl->next_record = NULL;
- free ((char *)rl);
- rl = next;
- }
+static void
+fits_delete_recordlist (FITS_RECORD_LIST *rl)
+{
+ FITS_RECORD_LIST *next;
+
+ while (rl != NULL)
+ {
+ next = rl->next_record;
+ rl->next_record = NULL;
+ free ((char *)rl);
+ rl = next;
+ }
}
@@ -373,18 +377,19 @@ static void fits_delete_recordlist (FITS_RECORD_LIST *rl)
/* #END-PAR */
/*****************************************************************************/
-static void fits_delete_hdulist (FITS_HDU_LIST *hl)
-
-{FITS_HDU_LIST *next;
-
- while (hl != NULL)
- {
- fits_delete_recordlist (hl->header_record_list);
- next = hl->next_hdu;
- hl->next_hdu = NULL;
- free ((char *)hl);
- hl = next;
- }
+static void
+fits_delete_hdulist (FITS_HDU_LIST *hl)
+{
+ FITS_HDU_LIST *next;
+
+ while (hl != NULL)
+ {
+ fits_delete_recordlist (hl->header_record_list);
+ next = hl->next_hdu;
+ hl->next_hdu = NULL;
+ free ((char *)hl);
+ hl = next;
+ }
}
@@ -403,17 +408,18 @@ static void fits_delete_hdulist (FITS_HDU_LIST *hl)
/* #END-PAR */
/*****************************************************************************/
-static int fits_nan_32 (unsigned char *v)
-
-{register unsigned long k;
+static int
+fits_nan_32 (guchar *v)
+{
+ register gulong k;
- k = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | v[3];
- k &= 0x7fffffff; /* Dont care about the sign bit */
+ k = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | v[3];
+ k &= 0x7fffffff; /* Dont care about the sign bit */
- /* See NOST Definition of the Flexible Image Transport System (FITS), */
- /* Appendix F, IEEE special formats. */
- return ( ((k >= 0x7f7fffff) && (k <= 0x7fffffff))
- || ((k >= 0x00000001) && (k <= 0x00800000)));
+ /* See NOST Definition of the Flexible Image Transport System (FITS), */
+ /* Appendix F, IEEE special formats. */
+ return (((k >= 0x7f7fffff) && (k <= 0x7fffffff)) ||
+ ((k >= 0x00000001) && (k <= 0x00800000)));
}
@@ -434,17 +440,18 @@ static int fits_nan_32 (unsigned char *v)
/* #END-PAR */
/*****************************************************************************/
-static int fits_nan_64 (unsigned char *v)
-
-{register unsigned long k;
+static int
+fits_nan_64 (guchar *v)
+{
+ register gulong k;
- k = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | v[3];
- k &= 0x7fffffff; /* Dont care about the sign bit */
+ k = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | v[3];
+ k &= 0x7fffffff; /* Dont care about the sign bit */
- /* See NOST Definition of the Flexible Image Transport System (FITS), */
- /* Appendix F, IEEE special formats. */
- return ( ((k >= 0x7f7fffff) && (k <= 0x7fffffff))
- || ((k >= 0x00000001) && (k <= 0x00800000)));
+ /* See NOST Definition of the Flexible Image Transport System (FITS), */
+ /* Appendix F, IEEE special formats. */
+ return (((k >= 0x7f7fffff) && (k <= 0x7fffffff)) ||
+ ((k >= 0x00000001) && (k <= 0x00800000)));
}
@@ -463,20 +470,23 @@ static int fits_nan_64 (unsigned char *v)
/* #END-PAR */
/*****************************************************************************/
-char *fits_get_error (void)
+char *
+fits_get_error (void)
+{
+ static gchar errmsg[FITS_ERROR_LENGTH];
+ gint k;
-{static char errmsg[FITS_ERROR_LENGTH];
- int k;
+ if (fits_n_error <= 0)
+ return NULL;
- if (fits_n_error <= 0) return (NULL);
- strcpy (errmsg, fits_error[0]);
+ strcpy (errmsg, fits_error[0]);
- for (k = 1; k < fits_n_error; k++)
- strcpy (fits_error[k-1], fits_error[k]);
+ for (k = 1; k < fits_n_error; k++)
+ strcpy (fits_error[k-1], fits_error[k]);
- fits_n_error--;
+ fits_n_error--;
- return (errmsg);
+ return errmsg;
}
@@ -495,14 +505,14 @@ char *fits_get_error (void)
/* #END-PAR */
/*****************************************************************************/
-static void fits_set_error (const char *errmsg)
-
+static void
+fits_set_error (const char *errmsg)
{
if (fits_n_error < FITS_MAX_ERROR)
- {
- strncpy (fits_error[fits_n_error], errmsg, FITS_ERROR_LENGTH);
- fits_error[fits_n_error++][FITS_ERROR_LENGTH-1] = '\0';
- }
+ {
+ strncpy (fits_error[fits_n_error], errmsg, FITS_ERROR_LENGTH);
+ fits_error[fits_n_error++][FITS_ERROR_LENGTH-1] = '\0';
+ }
}
@@ -519,10 +529,11 @@ static void fits_set_error (const char *errmsg)
/* #END-PAR */
/*****************************************************************************/
-static void fits_drop_error (void)
-
+static void
+fits_drop_error (void)
{
- if (fits_n_error > 0) fits_n_error--;
+ if (fits_n_error > 0)
+ fits_n_error--;
}
@@ -544,101 +555,109 @@ static void fits_drop_error (void)
/* #END-PAR */
/*****************************************************************************/
-FITS_FILE *fits_open (const char *filename, const char *openmode)
-
-{int reading, writing, n_rec, n_hdr;
- long fpos_header, fpos_data;
- FILE *fp;
- FITS_FILE *ff;
- FITS_RECORD_LIST *hdrlist;
- FITS_HDU_LIST *hdulist, *last_hdulist;
-
- /* initialize */
-
- hdulist = NULL;
- last_hdulist = NULL;
-
- /* Check the IEEE-format we are running on */
- {float one32 = 1.0;
- double one64 = 1.0;
- unsigned char *op32 = (unsigned char *)&one32;
- unsigned char *op64 = (unsigned char *)&one64;
+FITS_FILE *
+fits_open (const gchar *filename,
+ const gchar *openmode)
- if (sizeof (float) == 4)
- {
- fits_ieee32_intel = (op32[3] == 0x3f);
- fits_ieee32_motorola = (op32[0] == 0x3f);
- }
- if (sizeof (double) == 8)
+{
+ gint reading, writing, n_rec, n_hdr;
+ glong fpos_header, fpos_data;
+ FILE *fp;
+ FITS_FILE *ff;
+ FITS_RECORD_LIST *hdrlist;
+ FITS_HDU_LIST *hdulist = NULL;
+ FITS_HDU_LIST *last_hdulist = NULL;
+
+ /* Check the IEEE-format we are running on */
{
- fits_ieee64_intel = (op64[7] == 0x3f);
- fits_ieee64_motorola = (op64[0] == 0x3f);
+ gfloat one32 = 1.0;
+ gdouble one64 = 1.0;
+ guchar *op32 = (guchar *) &one32;
+ guchar *op64 = (guchar *) &one64;
+
+ if (sizeof (float) == 4)
+ {
+ fits_ieee32_intel = (op32[3] == 0x3f);
+ fits_ieee32_motorola = (op32[0] == 0x3f);
+ }
+
+ if (sizeof (double) == 8)
+ {
+ fits_ieee64_intel = (op64[7] == 0x3f);
+ fits_ieee64_motorola = (op64[0] == 0x3f);
+ }
}
- }
-
- if ((filename == NULL) || (*filename == '\0') || (openmode == NULL))
- FITS_RETURN ("fits_open: Invalid parameters", NULL);
-
- reading = (strcmp (openmode, "r") == 0);
- writing = (strcmp (openmode, "w") == 0);
- if ((!reading) && (!writing))
- FITS_RETURN ("fits_open: Invalid openmode", NULL);
-
- fp = g_fopen (filename, reading ? "rb" : "wb");
- if (fp == NULL) FITS_RETURN ("fits_open: fopen() failed", NULL);
-
- ff = fits_new_filestruct ();
- if (ff == NULL)
- {
- fclose (fp);
- FITS_RETURN ("fits_open: No more memory", NULL);
- }
-
- ff->fp = fp;
- ff->openmode = *openmode;
-
- if (writing) return (ff);
-
- for (n_hdr = 0; ; n_hdr++) /* Read through all HDUs */
- {
- fpos_header = ftell (fp); /* Save file position of header */
- hdrlist = fits_read_header (fp, &n_rec);
-
- if (hdrlist == NULL)
- {
- if (n_hdr > 0) /* At least one header must be present. */
- fits_drop_error (); /* If we got a header already, drop the error */
- break;
- }
- fpos_data = ftell (fp); /* Save file position of data */
-
- /* Decode the header */
- hdulist = fits_decode_header (hdrlist, fpos_header, fpos_data);
- if (hdulist == NULL)
- {
- fits_delete_recordlist (hdrlist);
- break;
- }
- ff->n_hdu++;
- ff->n_pic += hdulist->numpic;
-
- if (hdulist->used.blank_value) ff->blank_used = 1;
- if (hdulist->used.nan_value) ff->nan_used = 1;
-
- if (n_hdr == 0)
- ff->hdu_list = hdulist;
- else
- last_hdulist->next_hdu = hdulist;
- last_hdulist = hdulist;
- /* Evaluate the range of pixel data */
- fits_eval_pixrange (fp, hdulist);
-
- /* Reposition to start of next header */
- if (fseek (fp, hdulist->data_offset+hdulist->data_size, SEEK_SET) < 0)
- break;
- }
-
- return (ff);
+
+ if ((filename == NULL) || (*filename == '\0') || (openmode == NULL))
+ FITS_RETURN ("fits_open: Invalid parameters", NULL);
+
+ reading = (strcmp (openmode, "r") == 0);
+ writing = (strcmp (openmode, "w") == 0);
+ if ((!reading) && (!writing))
+ FITS_RETURN ("fits_open: Invalid openmode", NULL);
+
+ fp = g_fopen (filename, reading ? "rb" : "wb");
+ if (fp == NULL)
+ FITS_RETURN ("fits_open: fopen() failed", NULL);
+
+ ff = fits_new_filestruct ();
+ if (ff == NULL)
+ {
+ fclose (fp);
+ FITS_RETURN ("fits_open: No more memory", NULL);
+ }
+
+ ff->fp = fp;
+ ff->openmode = *openmode;
+
+ if (writing)
+ return ff;
+
+ for (n_hdr = 0; ; n_hdr++) /* Read through all HDUs */
+ {
+ fpos_header = ftell (fp); /* Save file position of header */
+ hdrlist = fits_read_header (fp, &n_rec);
+
+ if (hdrlist == NULL)
+ {
+ if (n_hdr > 0) /* At least one header must be present. */
+ fits_drop_error (); /* If we got a header already, drop the error */
+ break;
+ }
+ fpos_data = ftell (fp); /* Save file position of data */
+
+ /* Decode the header */
+ hdulist = fits_decode_header (hdrlist, fpos_header, fpos_data);
+ if (hdulist == NULL)
+ {
+ fits_delete_recordlist (hdrlist);
+ break;
+ }
+ ff->n_hdu++;
+ ff->n_pic += hdulist->numpic;
+
+ if (hdulist->used.blank_value)
+ ff->blank_used = TRUE;
+
+ if (hdulist->used.nan_value)
+ ff->nan_used = TRUE;
+
+ if (n_hdr == 0)
+ ff->hdu_list = hdulist;
+ else
+ last_hdulist->next_hdu = hdulist;
+
+ last_hdulist = hdulist;
+
+ /* Evaluate the range of pixel data */
+ fits_eval_pixrange (fp, hdulist);
+
+ /* Reposition to start of next header */
+ if (fseek (fp, hdulist->data_offset + hdulist->data_size, SEEK_SET) < 0)
+ break;
+ }
+
+ return ff;
}
@@ -654,14 +673,15 @@ FITS_FILE *fits_open (const char *filename, const char *openmode)
/* #END-PAR */
/*****************************************************************************/
-void fits_close (FITS_FILE *ff)
-
+void
+fits_close (FITS_FILE *ff)
{
- if (ff == NULL) FITS_VRETURN ("fits_close: Invalid parameter");
+ if (ff == NULL)
+ FITS_VRETURN ("fits_close: Invalid parameter");
- fclose (ff->fp);
+ fclose (ff->fp);
- fits_delete_filestruct (ff);
+ fits_delete_filestruct (ff);
}
@@ -680,29 +700,31 @@ void fits_close (FITS_FILE *ff)
/* #END-PAR */
/*****************************************************************************/
-FITS_HDU_LIST *fits_add_hdu (FITS_FILE *ff)
-
-{FITS_HDU_LIST *newhdu, *hdu;
-
- if (ff->openmode != 'w')
- FITS_RETURN ("fits_add_hdu: file not open for writing", NULL);
-
- newhdu = fits_new_hdulist ();
- if (newhdu == NULL) return (NULL);
-
- if (ff->hdu_list == NULL)
- {
- ff->hdu_list = newhdu;
- }
- else
- {
- hdu = ff->hdu_list;
- while (hdu->next_hdu != NULL)
- hdu = hdu->next_hdu;
- hdu->next_hdu = newhdu;
- }
-
- return (newhdu);
+FITS_HDU_LIST *
+fits_add_hdu (FITS_FILE *ff)
+{
+ FITS_HDU_LIST *newhdu, *hdu;
+
+ if (ff->openmode != 'w')
+ FITS_RETURN ("fits_add_hdu: file not open for writing", NULL);
+
+ newhdu = fits_new_hdulist ();
+ if (newhdu == NULL)
+ return NULL;
+
+ if (ff->hdu_list == NULL)
+ {
+ ff->hdu_list = newhdu;
+ }
+ else
+ {
+ hdu = ff->hdu_list;
+ while (hdu->next_hdu != NULL)
+ hdu = hdu->next_hdu;
+ hdu->next_hdu = newhdu;
+ }
+
+ return newhdu;
}
@@ -723,23 +745,28 @@ FITS_HDU_LIST *fits_add_hdu (FITS_FILE *ff)
/* #END-PAR */
/*****************************************************************************/
-int fits_add_card (FITS_HDU_LIST *hdulist, const char *card)
-
-{int k;
-
- if (hdulist->naddcards >= FITS_NADD_CARDS) return (-1);
-
- k = strlen (card);
- if (k < FITS_CARD_SIZE)
- {
- memset (&(hdulist->addcards[hdulist->naddcards][k]), ' ', FITS_CARD_SIZE-k);
- memcpy (hdulist->addcards[(hdulist->naddcards)++], card, k);
- }
- else
- {
- memcpy (hdulist->addcards[(hdulist->naddcards)++], card, FITS_CARD_SIZE);
- }
- return (0);
+gint
+fits_add_card (FITS_HDU_LIST *hdulist,
+ const gchar *card)
+{
+ gint k;
+
+ if (hdulist->naddcards >= FITS_NADD_CARDS)
+ return -1;
+
+ k = strlen (card);
+ if (k < FITS_CARD_SIZE)
+ {
+ memset (&(hdulist->addcards[hdulist->naddcards][k]), ' ',
+ FITS_CARD_SIZE - k);
+ memcpy (hdulist->addcards[(hdulist->naddcards)++], card, k);
+ }
+ else
+ {
+ memcpy (hdulist->addcards[(hdulist->naddcards)++], card, FITS_CARD_SIZE);
+ }
+
+ return 0;
}
@@ -755,60 +782,65 @@ int fits_add_card (FITS_HDU_LIST *hdulist, const char *card)
/* #END-PAR */
/*****************************************************************************/
-void fits_print_header (FITS_HDU_LIST *hdr)
-
-{int k;
- char buf[G_ASCII_DTOSTR_BUF_SIZE];
-
- if (hdr->used.simple)
- printf ("Content of SIMPLE-header:\n");
- else
- printf ("Content of XTENSION-header %s:\n", hdr->xtension);
- printf ("header_offset : %ld\n", hdr->header_offset);
- printf ("data_offset : %ld\n", hdr->data_offset);
- printf ("data_size : %ld\n", hdr->data_size);
- printf ("used data_size: %ld\n", hdr->udata_size);
- printf ("bytes p.pixel : %d\n", hdr->bpp);
- printf ("pixmin : %s\n", FDTOSTR (buf, hdr->pixmin));
- printf ("pixmax : %s\n", FDTOSTR (buf, hdr->pixmax));
-
- printf ("naxis : %d\n", hdr->naxis);
- for (k = 1; k <= hdr->naxis; k++)
- printf ("naxis%-3d : %d\n", k, hdr->naxisn[k-1]);
-
- printf ("bitpix : %d\n", hdr->bitpix);
-
- if (hdr->used.blank)
- printf ("blank : %ld\n", hdr->blank);
- else
- printf ("blank : not used\n");
-
- if (hdr->used.datamin)
- printf ("datamin : %s\n", FDTOSTR (buf, hdr->datamin));
- else
- printf ("datamin : not used\n");
- if (hdr->used.datamax)
- printf ("datamax : %s\n", FDTOSTR (buf, hdr->datamax));
- else
- printf ("datamax : not used\n");
-
- if (hdr->used.gcount)
- printf ("gcount : %ld\n", hdr->gcount);
- else
- printf ("gcount : not used\n");
- if (hdr->used.pcount)
- printf ("pcount : %ld\n", hdr->pcount);
- else
- printf ("pcount : not used\n");
-
- if (hdr->used.bscale)
- printf ("bscale : %s\n", FDTOSTR (buf, hdr->bscale));
- else
- printf ("bscale : not used\n");
- if (hdr->used.bzero)
- printf ("bzero : %s\n", FDTOSTR (buf, hdr->bzero));
- else
- printf ("bzero : not used\n");
+void
+fits_print_header (FITS_HDU_LIST *hdr)
+{
+ gint k;
+ gchar buf[G_ASCII_DTOSTR_BUF_SIZE];
+
+ if (hdr->used.simple)
+ printf ("Content of SIMPLE-header:\n");
+ else
+ printf ("Content of XTENSION-header %s:\n", hdr->xtension);
+
+ printf ("header_offset : %ld\n", hdr->header_offset);
+ printf ("data_offset : %ld\n", hdr->data_offset);
+ printf ("data_size : %ld\n", hdr->data_size);
+ printf ("used data_size: %ld\n", hdr->udata_size);
+ printf ("bytes p.pixel : %d\n", hdr->bpp);
+ printf ("pixmin : %s\n", FDTOSTR (buf, hdr->pixmin));
+ printf ("pixmax : %s\n", FDTOSTR (buf, hdr->pixmax));
+
+ printf ("naxis : %d\n", hdr->naxis);
+ for (k = 1; k <= hdr->naxis; k++)
+ printf ("naxis%-3d : %d\n", k, hdr->naxisn[k-1]);
+
+ printf ("bitpix : %d\n", hdr->bitpix);
+
+ if (hdr->used.blank)
+ printf ("blank : %ld\n", hdr->blank);
+ else
+ printf ("blank : not used\n");
+
+ if (hdr->used.datamin)
+ printf ("datamin : %s\n", FDTOSTR (buf, hdr->datamin));
+ else
+ printf ("datamin : not used\n");
+
+ if (hdr->used.datamax)
+ printf ("datamax : %s\n", FDTOSTR (buf, hdr->datamax));
+ else
+ printf ("datamax : not used\n");
+
+ if (hdr->used.gcount)
+ printf ("gcount : %ld\n", hdr->gcount);
+ else
+ printf ("gcount : not used\n");
+
+ if (hdr->used.pcount)
+ printf ("pcount : %ld\n", hdr->pcount);
+ else
+ printf ("pcount : not used\n");
+
+ if (hdr->used.bscale)
+ printf ("bscale : %s\n", FDTOSTR (buf, hdr->bscale));
+ else
+ printf ("bscale : not used\n");
+
+ if (hdr->used.bzero)
+ printf ("bzero : %s\n", FDTOSTR (buf, hdr->bzero));
+ else
+ printf ("bzero : not used\n");
}
@@ -829,58 +861,65 @@ void fits_print_header (FITS_HDU_LIST *hdr)
/* #END-PAR */
/*****************************************************************************/
-static FITS_RECORD_LIST *fits_read_header (FILE *fp, int *nrec)
-
-{char record[FITS_RECORD_SIZE];
- FITS_RECORD_LIST *start_list = NULL, *cu_record = NULL, *new_record;
- FITS_DATA *fdat;
- int k, simple, xtension;
-
- *nrec = 0;
-
- k = fread (record, 1, FITS_RECORD_SIZE, fp);
- if (k != FITS_RECORD_SIZE)
- FITS_RETURN ("fits_read_header: Error in read of first record", NULL);
-
- simple = (strncmp (record, "SIMPLE ", 8) == 0);
- xtension = (strncmp (record, "XTENSION", 8) == 0);
- if ((!simple) && (!xtension))
- FITS_RETURN ("fits_read_header: Missing keyword SIMPLE or XTENSION", NULL);
-
- if (simple)
- {
- fdat = fits_decode_card (record, typ_fbool);
- if (fdat && !fdat->fbool)
- fits_set_error ("fits_read_header (warning): keyword SIMPLE does not have\
- value T");
- }
-
- for (;;) /* Process all header records */
- {
- new_record = (FITS_RECORD_LIST *)malloc (sizeof (FITS_RECORD_LIST));
- if (new_record == NULL)
- {
- fits_delete_recordlist (start_list);
- FITS_RETURN ("fits_read_header: Not enough memory", NULL);
- }
- memcpy (new_record->data, record, FITS_RECORD_SIZE);
- new_record->next_record = NULL;
- (*nrec)++;
-
- if (start_list == NULL) /* Add new record to the list */
- start_list = new_record;
- else
- cu_record->next_record = new_record;
-
- cu_record = new_record;
- /* Was this the last record ? */
- if (fits_search_card (cu_record, "END") != NULL) break;
-
- k = fread (record, 1, FITS_RECORD_SIZE, fp);
- if (k != FITS_RECORD_SIZE)
- FITS_RETURN ("fits_read_header: Error in read of record", NULL);
- }
- return (start_list);
+static FITS_RECORD_LIST *
+fits_read_header (FILE *fp,
+ gint *nrec)
+{
+ gchar record[FITS_RECORD_SIZE];
+ FITS_RECORD_LIST *start_list = NULL;
+ FITS_RECORD_LIST *cu_record = NULL;
+ FITS_RECORD_LIST *new_record;
+ FITS_DATA *fdat;
+ gint k, simple, xtension;
+
+ *nrec = 0;
+
+ k = fread (record, 1, FITS_RECORD_SIZE, fp);
+ if (k != FITS_RECORD_SIZE)
+ FITS_RETURN ("fits_read_header: Error in read of first record", NULL);
+
+ simple = (strncmp (record, "SIMPLE ", 8) == 0);
+ xtension = (strncmp (record, "XTENSION", 8) == 0);
+ if ((!simple) && (!xtension))
+ FITS_RETURN ("fits_read_header: Missing keyword SIMPLE or XTENSION", NULL);
+
+ if (simple)
+ {
+ fdat = fits_decode_card (record, typ_fbool);
+ if (fdat && !fdat->fbool)
+ fits_set_error ("fits_read_header (warning): keyword SIMPLE does not "
+ "have value T");
+ }
+
+ for (;;) /* Process all header records */
+ {
+ new_record = (FITS_RECORD_LIST *)malloc (sizeof (FITS_RECORD_LIST));
+ if (new_record == NULL)
+ {
+ fits_delete_recordlist (start_list);
+ FITS_RETURN ("fits_read_header: Not enough memory", NULL);
+ }
+ memcpy (new_record->data, record, FITS_RECORD_SIZE);
+ new_record->next_record = NULL;
+ (*nrec)++;
+
+ if (start_list == NULL) /* Add new record to the list */
+ start_list = new_record;
+ else
+ cu_record->next_record = new_record;
+
+ cu_record = new_record;
+
+ /* Was this the last record ? */
+ if (fits_search_card (cu_record, "END") != NULL)
+ break;
+
+ k = fread (record, 1, FITS_RECORD_SIZE, fp);
+ if (k != FITS_RECORD_SIZE)
+ FITS_RETURN ("fits_read_header: Error in read of record", NULL);
+ }
+
+ return start_list;
}
@@ -900,110 +939,116 @@ static FITS_RECORD_LIST *fits_read_header (FILE *fp, int *nrec)
/* #END-PAR */
/*****************************************************************************/
-int fits_write_header (FITS_FILE *ff, FITS_HDU_LIST *hdulist)
-
-{int numcards;
- int k;
-
- if (ff->openmode != 'w')
- FITS_RETURN ("fits_write_header: file not open for writing", -1);
-
- numcards = 0;
-
- if (hdulist->used.simple)
- {
- FITS_WRITE_BOOLCARD (ff->fp, "SIMPLE", 1);
- numcards++;
- }
- else if (hdulist->used.xtension)
- {
- FITS_WRITE_STRINGCARD (ff->fp, "XTENSION", hdulist->xtension);
- numcards++;
- }
-
- FITS_WRITE_LONGCARD (ff->fp, "BITPIX", hdulist->bitpix);
- numcards++;
-
- FITS_WRITE_LONGCARD (ff->fp, "NAXIS", hdulist->naxis);
- numcards++;
-
- for (k = 0; k < hdulist->naxis; k++)
- {char naxisn[10];
- sprintf (naxisn, "NAXIS%d", k+1);
- FITS_WRITE_LONGCARD (ff->fp, naxisn, hdulist->naxisn[k]);
- numcards++;
- }
-
- if (hdulist->used.extend)
- {
- FITS_WRITE_BOOLCARD (ff->fp, "EXTEND", hdulist->extend);
- numcards++;
- }
-
- if (hdulist->used.groups)
- {
- FITS_WRITE_BOOLCARD (ff->fp, "GROUPS", hdulist->groups);
- numcards++;
- }
-
- if (hdulist->used.pcount)
- {
- FITS_WRITE_LONGCARD (ff->fp, "PCOUNT", hdulist->pcount);
- numcards++;
- }
- if (hdulist->used.gcount)
- {
- FITS_WRITE_LONGCARD (ff->fp, "GCOUNT", hdulist->gcount);
- numcards++;
- }
-
- if (hdulist->used.bzero)
- {
- FITS_WRITE_DOUBLECARD (ff->fp, "BZERO", hdulist->bzero);
- numcards++;
- }
- if (hdulist->used.bscale)
- {
- FITS_WRITE_DOUBLECARD (ff->fp, "BSCALE", hdulist->bscale);
- numcards++;
- }
-
- if (hdulist->used.datamin)
- {
- FITS_WRITE_DOUBLECARD (ff->fp, "DATAMIN", hdulist->datamin);
- numcards++;
- }
- if (hdulist->used.datamax)
- {
- FITS_WRITE_DOUBLECARD (ff->fp, "DATAMAX", hdulist->datamax);
- numcards++;
- }
-
- if (hdulist->used.blank)
- {
- FITS_WRITE_LONGCARD (ff->fp, "BLANK", hdulist->blank);
- numcards++;
- }
-
- /* Write additional cards */
- if (hdulist->naddcards > 0)
- {
- fwrite (hdulist->addcards, FITS_CARD_SIZE, hdulist->naddcards, ff->fp);
- numcards += hdulist->naddcards;
- }
-
- FITS_WRITE_CARD (ff->fp, "END");
- numcards++;
-
- k = (numcards*FITS_CARD_SIZE) % FITS_RECORD_SIZE;
- if (k) /* Must the record be filled up ? */
- {
- while (k++ < FITS_RECORD_SIZE)
- putc (' ', ff->fp);
- }
-
-
- return (ferror (ff->fp) ? -1 : 0);
+int
+fits_write_header (FITS_FILE *ff,
+ FITS_HDU_LIST *hdulist)
+{
+ gint numcards;
+ gint k;
+
+ if (ff->openmode != 'w')
+ FITS_RETURN ("fits_write_header: file not open for writing", -1);
+
+ numcards = 0;
+
+ if (hdulist->used.simple)
+ {
+ FITS_WRITE_BOOLCARD (ff->fp, "SIMPLE", 1);
+ numcards++;
+ }
+ else if (hdulist->used.xtension)
+ {
+ FITS_WRITE_STRINGCARD (ff->fp, "XTENSION", hdulist->xtension);
+ numcards++;
+ }
+
+ FITS_WRITE_LONGCARD (ff->fp, "BITPIX", hdulist->bitpix);
+ numcards++;
+
+ FITS_WRITE_LONGCARD (ff->fp, "NAXIS", hdulist->naxis);
+ numcards++;
+
+ for (k = 0; k < hdulist->naxis; k++)
+ {
+ gchar naxisn[10];
+
+ sprintf (naxisn, "NAXIS%d", k+1);
+ FITS_WRITE_LONGCARD (ff->fp, naxisn, hdulist->naxisn[k]);
+ numcards++;
+ }
+
+ if (hdulist->used.extend)
+ {
+ FITS_WRITE_BOOLCARD (ff->fp, "EXTEND", hdulist->extend);
+ numcards++;
+ }
+
+ if (hdulist->used.groups)
+ {
+ FITS_WRITE_BOOLCARD (ff->fp, "GROUPS", hdulist->groups);
+ numcards++;
+ }
+
+ if (hdulist->used.pcount)
+ {
+ FITS_WRITE_LONGCARD (ff->fp, "PCOUNT", hdulist->pcount);
+ numcards++;
+ }
+
+ if (hdulist->used.gcount)
+ {
+ FITS_WRITE_LONGCARD (ff->fp, "GCOUNT", hdulist->gcount);
+ numcards++;
+ }
+
+ if (hdulist->used.bzero)
+ {
+ FITS_WRITE_DOUBLECARD (ff->fp, "BZERO", hdulist->bzero);
+ numcards++;
+ }
+
+ if (hdulist->used.bscale)
+ {
+ FITS_WRITE_DOUBLECARD (ff->fp, "BSCALE", hdulist->bscale);
+ numcards++;
+ }
+
+ if (hdulist->used.datamin)
+ {
+ FITS_WRITE_DOUBLECARD (ff->fp, "DATAMIN", hdulist->datamin);
+ numcards++;
+ }
+
+ if (hdulist->used.datamax)
+ {
+ FITS_WRITE_DOUBLECARD (ff->fp, "DATAMAX", hdulist->datamax);
+ numcards++;
+ }
+
+ if (hdulist->used.blank)
+ {
+ FITS_WRITE_LONGCARD (ff->fp, "BLANK", hdulist->blank);
+ numcards++;
+ }
+
+ /* Write additional cards */
+ if (hdulist->naddcards > 0)
+ {
+ fwrite (hdulist->addcards, FITS_CARD_SIZE, hdulist->naddcards, ff->fp);
+ numcards += hdulist->naddcards;
+ }
+
+ FITS_WRITE_CARD (ff->fp, "END");
+ numcards++;
+
+ k = (numcards * FITS_CARD_SIZE) % FITS_RECORD_SIZE;
+ if (k) /* Must the record be filled up ? */
+ {
+ while (k++ < FITS_RECORD_SIZE)
+ putc (' ', ff->fp);
+ }
+
+ return ferror (ff->fp) ? -1 : 0;
}
@@ -1024,198 +1069,215 @@ int fits_write_header (FITS_FILE *ff, FITS_HDU_LIST *hdulist)
/* #END-PAR */
/*****************************************************************************/
-static FITS_HDU_LIST *fits_decode_header (FITS_RECORD_LIST *hdr,
- long hdr_offset, long dat_offset)
-
-{FITS_HDU_LIST *hdulist;
- FITS_DATA *fdat;
- char errmsg[80], key[9];
- int k, bpp, random_groups;
- long mul_axis, data_size, bitpix_supported;
+static FITS_HDU_LIST *
+fits_decode_header (FITS_RECORD_LIST *hdr,
+ glong hdr_offset,
+ glong dat_offset)
+{
+ FITS_HDU_LIST *hdulist;
+ FITS_DATA *fdat;
+ gchar errmsg[80], key[9];
+ gint k, bpp, random_groups;
+ glong mul_axis, data_size, bitpix_supported;
#define FITS_DECODE_CARD(mhdr,mkey,mfdat,mtyp) \
- {strcpy (key, mkey); \
- mfdat = fits_decode_card (fits_search_card (mhdr, mkey), mtyp); \
- if (mfdat == NULL) goto err_missing; }
+ { strcpy (key, mkey); \
+ mfdat = fits_decode_card (fits_search_card (mhdr, mkey), mtyp); \
+ if (mfdat == NULL) goto err_missing; }
#define FITS_TRY_CARD(mhdr,mhdu,mkey,mvar,mtyp,unionvar) \
- {FITS_DATA *mfdat = fits_decode_card (fits_search_card (mhdr,mkey), mtyp); \
- mhdu->used.mvar = (mfdat != NULL); \
- if (mhdu->used.mvar) mhdu->mvar = mfdat->unionvar; }
-
- hdulist = fits_new_hdulist ();
- if (hdulist == NULL)
- FITS_RETURN ("fits_decode_header: Not enough memory", NULL);
-
- /* Initialize the header data */
- hdulist->header_offset = hdr_offset;
- hdulist->data_offset = dat_offset;
-
- hdulist->used.simple = (strncmp (hdr->data, "SIMPLE ", 8) == 0);
- hdulist->used.xtension = (strncmp (hdr->data, "XTENSION", 8) == 0);
- if (hdulist->used.xtension)
- {
- fdat = fits_decode_card (fits_search_card (hdr, "XTENSION"), typ_fstring);
- if (fdat != NULL)
- {
- strcpy (hdulist->xtension, fdat->fstring);
- }
- else
- {
- strcpy (errmsg, "No valid XTENSION header found.");
- goto err_return;
- }
- }
-
- FITS_DECODE_CARD (hdr, "NAXIS", fdat, typ_flong);
- hdulist->naxis = fdat->flong;
-
- FITS_DECODE_CARD (hdr, "BITPIX", fdat, typ_flong);
- bpp = hdulist->bitpix = (int)fdat->flong;
- if ( (bpp != 8) && (bpp != 16) && (bpp != 32)
- && (bpp != -32) && (bpp != -64))
- {
- strcpy (errmsg, "fits_decode_header: Invalid BITPIX-value");
- goto err_return;
- }
- if (bpp < 0) bpp = -bpp;
- bpp /= 8;
- hdulist->bpp = bpp;
-
- FITS_TRY_CARD (hdr, hdulist, "GCOUNT", gcount, typ_flong, flong);
- FITS_TRY_CARD (hdr, hdulist, "PCOUNT", pcount, typ_flong, flong);
-
- FITS_TRY_CARD (hdr, hdulist, "GROUPS", groups, typ_fbool, fbool);
- random_groups = hdulist->used.groups && hdulist->groups;
-
- FITS_TRY_CARD (hdr, hdulist, "EXTEND", extend, typ_fbool, fbool);
-
- if (hdulist->used.xtension) /* Extension requires GCOUNT and PCOUNT */
- {
- if ((!hdulist->used.gcount) || (!hdulist->used.pcount))
- {
- strcpy (errmsg, "fits_decode_header: Missing GCOUNT/PCOUNT for XTENSION");
- goto err_return;
- }
- }
-
- mul_axis = 1;
-
- /* Find all NAXISx-cards */
- for (k = 1; k <= FITS_MAX_AXIS; k++)
- {char naxisn[9];
-
- sprintf (naxisn, "NAXIS%-3d", k);
- fdat = fits_decode_card (fits_search_card (hdr, naxisn), typ_flong);
- if (fdat == NULL)
- {
- k--; /* Save the last NAXISk read */
- break;
- }
- hdulist->naxisn[k-1] = (int)fdat->flong;
- if (hdulist->naxisn[k-1] < 0)
- {
- strcpy (errmsg, "fits_decode_header: Negative value in NAXISn");
- goto err_return;
- }
- if ((k == 1) && (random_groups))
- {
- if (hdulist->naxisn[0] != 0)
- {
- strcpy (errmsg, "fits_decode_header: Random groups with NAXIS1 != 0");
- goto err_return;
- }
- }
- else
- mul_axis *= hdulist->naxisn[k-1];
- }
-
- if ((hdulist->naxis > 0) && (k < hdulist->naxis))
- {
- strcpy (errmsg, "fits_decode_card: Not enough NAXISn-cards");
- goto err_return;
- }
-
- /* If we have only one dimension, just set the second to size one. */
- /* So we dont have to check for naxis < 2 in some places. */
- if (hdulist->naxis < 2)
- hdulist->naxisn[1] = 1;
- if (hdulist->naxis < 1)
- {
- mul_axis = 0;
- hdulist->naxisn[0] = 1;
- }
-
- if (hdulist->used.xtension)
- data_size = bpp*hdulist->gcount*(hdulist->pcount + mul_axis);
- else
- data_size = bpp*mul_axis;
- hdulist->udata_size = data_size; /* Used data size without padding */
-
- /* Datasize must be a multiple of the FITS logical record size */
- data_size = (data_size + FITS_RECORD_SIZE - 1) / FITS_RECORD_SIZE;
- data_size *= FITS_RECORD_SIZE;
- hdulist->data_size = data_size;
-
-
- FITS_TRY_CARD (hdr, hdulist, "BLANK", blank, typ_flong, flong);
-
- FITS_TRY_CARD (hdr, hdulist, "DATAMIN", datamin, typ_fdouble, fdouble);
- FITS_TRY_CARD (hdr, hdulist, "DATAMAX", datamax, typ_fdouble, fdouble);
-
- FITS_TRY_CARD (hdr, hdulist, "BZERO", bzero, typ_fdouble, fdouble);
- FITS_TRY_CARD (hdr, hdulist, "BSCALE", bscale, typ_fdouble, fdouble);
-
- /* Evaluate number of interpretable images for this HDU */
- hdulist->numpic = 0;
-
- /* We must support this format */
- bitpix_supported = (hdulist->bitpix > 0)
- || ( (hdulist->bitpix == -64)
- && (fits_ieee64_intel || fits_ieee64_motorola))
- || ( (hdulist->bitpix == -32)
- && ( fits_ieee32_intel || fits_ieee32_motorola
- || fits_ieee64_intel || fits_ieee64_motorola));
-
- if (bitpix_supported)
- {
- if (hdulist->used.simple)
- {
- if (hdulist->naxis > 0)
- {
- hdulist->numpic = 1;
- for (k = 3; k <= hdulist->naxis; k++)
- hdulist->numpic *= hdulist->naxisn[k-1];
- }
- }
- else if ( hdulist->used.xtension
- && (strncmp (hdulist->xtension, "IMAGE", 5) == 0))
- {
- if (hdulist->naxis > 0)
- {
- hdulist->numpic = 1;
- for (k = 3; k <= hdulist->naxis; k++)
- hdulist->numpic *= hdulist->naxisn[k-1];
- }
- }
- }
- else
- {char msg[160];
- sprintf (msg, "fits_decode_header: IEEE floating point format required for\
+ { FITS_DATA *mfdat = fits_decode_card (fits_search_card (mhdr,mkey), mtyp); \
+ mhdu->used.mvar = (mfdat != NULL); \
+ if (mhdu->used.mvar) mhdu->mvar = mfdat->unionvar; }
+
+ hdulist = fits_new_hdulist ();
+ if (hdulist == NULL)
+ FITS_RETURN ("fits_decode_header: Not enough memory", NULL);
+
+ /* Initialize the header data */
+ hdulist->header_offset = hdr_offset;
+ hdulist->data_offset = dat_offset;
+
+ hdulist->used.simple = (strncmp (hdr->data, "SIMPLE ", 8) == 0);
+ hdulist->used.xtension = (strncmp (hdr->data, "XTENSION", 8) == 0);
+
+ if (hdulist->used.xtension)
+ {
+ fdat = fits_decode_card (fits_search_card (hdr, "XTENSION"), typ_fstring);
+ if (fdat != NULL)
+ {
+ strcpy (hdulist->xtension, fdat->fstring);
+ }
+ else
+ {
+ strcpy (errmsg, "No valid XTENSION header found.");
+ goto err_return;
+ }
+ }
+
+ FITS_DECODE_CARD (hdr, "NAXIS", fdat, typ_flong);
+ hdulist->naxis = fdat->flong;
+
+ FITS_DECODE_CARD (hdr, "BITPIX", fdat, typ_flong);
+ bpp = hdulist->bitpix = (gint) fdat->flong;
+ if ((bpp != 8) && (bpp != 16) && (bpp != 32) &&
+ (bpp != -32) && (bpp != -64))
+ {
+ strcpy (errmsg, "fits_decode_header: Invalid BITPIX-value");
+ goto err_return;
+ }
+
+ if (bpp < 0)
+ bpp = -bpp;
+
+ bpp /= 8;
+ hdulist->bpp = bpp;
+
+ FITS_TRY_CARD (hdr, hdulist, "GCOUNT", gcount, typ_flong, flong);
+ FITS_TRY_CARD (hdr, hdulist, "PCOUNT", pcount, typ_flong, flong);
+
+ FITS_TRY_CARD (hdr, hdulist, "GROUPS", groups, typ_fbool, fbool);
+ random_groups = hdulist->used.groups && hdulist->groups;
+
+ FITS_TRY_CARD (hdr, hdulist, "EXTEND", extend, typ_fbool, fbool);
+
+ if (hdulist->used.xtension) /* Extension requires GCOUNT and PCOUNT */
+ {
+ if (! hdulist->used.gcount || ! hdulist->used.pcount)
+ {
+ strcpy (errmsg, "fits_decode_header: Missing GCOUNT/PCOUNT for XTENSION");
+ goto err_return;
+ }
+ }
+
+ mul_axis = 1;
+
+ /* Find all NAXISx-cards */
+ for (k = 1; k <= FITS_MAX_AXIS; k++)
+ {
+ gchar naxisn[9];
+
+ sprintf (naxisn, "NAXIS%-3d", k);
+ fdat = fits_decode_card (fits_search_card (hdr, naxisn), typ_flong);
+ if (fdat == NULL)
+ {
+ k--; /* Save the last NAXISk read */
+ break;
+ }
+
+ hdulist->naxisn[k-1] = (int)fdat->flong;
+
+ if (hdulist->naxisn[k-1] < 0)
+ {
+ strcpy (errmsg, "fits_decode_header: Negative value in NAXISn");
+ goto err_return;
+ }
+
+ if ((k == 1) && random_groups)
+ {
+ if (hdulist->naxisn[0] != 0)
+ {
+ strcpy (errmsg, "fits_decode_header: Random groups with NAXIS1 != 0");
+ goto err_return;
+ }
+ }
+ else
+ {
+ mul_axis *= hdulist->naxisn[k - 1];
+ }
+ }
+
+ if ((hdulist->naxis > 0) && (k < hdulist->naxis))
+ {
+ strcpy (errmsg, "fits_decode_card: Not enough NAXISn-cards");
+ goto err_return;
+ }
+
+ /* If we have only one dimension, just set the second to size one. */
+ /* So we dont have to check for naxis < 2 in some places. */
+ if (hdulist->naxis < 2)
+ hdulist->naxisn[1] = 1;
+
+ if (hdulist->naxis < 1)
+ {
+ mul_axis = 0;
+ hdulist->naxisn[0] = 1;
+ }
+
+ if (hdulist->used.xtension)
+ data_size = bpp * hdulist->gcount * (hdulist->pcount + mul_axis);
+ else
+ data_size = bpp * mul_axis;
+
+ hdulist->udata_size = data_size; /* Used data size without padding */
+
+ /* Datasize must be a multiple of the FITS logical record size */
+ data_size = (data_size + FITS_RECORD_SIZE - 1) / FITS_RECORD_SIZE;
+ data_size *= FITS_RECORD_SIZE;
+ hdulist->data_size = data_size;
+
+ FITS_TRY_CARD (hdr, hdulist, "BLANK", blank, typ_flong, flong);
+
+ FITS_TRY_CARD (hdr, hdulist, "DATAMIN", datamin, typ_fdouble, fdouble);
+ FITS_TRY_CARD (hdr, hdulist, "DATAMAX", datamax, typ_fdouble, fdouble);
+
+ FITS_TRY_CARD (hdr, hdulist, "BZERO", bzero, typ_fdouble, fdouble);
+ FITS_TRY_CARD (hdr, hdulist, "BSCALE", bscale, typ_fdouble, fdouble);
+
+ /* Evaluate number of interpretable images for this HDU */
+ hdulist->numpic = 0;
+
+ /* We must support this format */
+ bitpix_supported = (hdulist->bitpix > 0)
+ || ( (hdulist->bitpix == -64)
+ && (fits_ieee64_intel || fits_ieee64_motorola))
+ || ( (hdulist->bitpix == -32)
+ && ( fits_ieee32_intel || fits_ieee32_motorola
+ || fits_ieee64_intel || fits_ieee64_motorola));
+
+ if (bitpix_supported)
+ {
+ if (hdulist->used.simple)
+ {
+ if (hdulist->naxis > 0)
+ {
+ hdulist->numpic = 1;
+ for (k = 3; k <= hdulist->naxis; k++)
+ hdulist->numpic *= hdulist->naxisn[k - 1];
+ }
+ }
+ else if (hdulist->used.xtension &&
+ (strncmp (hdulist->xtension, "IMAGE", 5) == 0))
+ {
+ if (hdulist->naxis > 0)
+ {
+ hdulist->numpic = 1;
+ for (k = 3; k <= hdulist->naxis; k++)
+ hdulist->numpic *= hdulist->naxisn[k - 1];
+ }
+ }
+ }
+ else
+ {
+ gchar msg[160];
+
+ sprintf (msg, "fits_decode_header: IEEE floating point format required for\
BITPIX=%d\nis not supported on this machine", hdulist->bitpix);
- fits_set_error (msg);
- }
+ fits_set_error (msg);
+ }
+
+ hdulist->header_record_list = hdr; /* Add header records to the list */
- hdulist->header_record_list = hdr; /* Add header records to the list */
- return (hdulist);
+ return hdulist;
-err_missing:
- sprintf (errmsg, "fits_decode_header: missing/invalid %s card", key);
+ err_missing:
+ sprintf (errmsg, "fits_decode_header: missing/invalid %s card", key);
-err_return:
- fits_delete_hdulist (hdulist);
- fits_set_error (errmsg);
- return (NULL);
+ err_return:
+ fits_delete_hdulist (hdulist);
+ fits_set_error (errmsg);
+
+ return NULL;
#undef FITS_DECODE_CARD
}
@@ -1237,241 +1299,315 @@ err_return:
/* #END-PAR */
/*****************************************************************************/
-static int fits_eval_pixrange (FILE *fp, FITS_HDU_LIST *hdu)
-
-{register int maxelem;
+static gint
+fits_eval_pixrange (FILE *fp,
+ FITS_HDU_LIST *hdu)
+{
+ register gint maxelem;
#define FITSNPIX 4096
- unsigned char pixdat[FITSNPIX];
- int nelem, bpp;
- int blank_found = 0, nan_found = 0;
-
- if (fseek (fp, hdu->data_offset, SEEK_SET) < 0)
- FITS_RETURN ("fits_eval_pixrange: cant position file", -1);
-
- bpp = hdu->bpp; /* Number of bytes per pixel */
- nelem = hdu->udata_size / bpp; /* Number of data elements */
-
- switch (hdu->bitpix)
- {
- case 8: {
- register FITS_BITPIX8 pixval;
- register unsigned char *ptr;
- FITS_BITPIX8 minval = 255, maxval = 0;
- FITS_BITPIX8 blankval;
-
- while (nelem > 0)
- {
- maxelem = sizeof (pixdat)/bpp;
- if (nelem < maxelem) maxelem = nelem;
- nelem -= maxelem;
- if (fread ((char *)pixdat, bpp, maxelem, fp) != maxelem)
- FITS_RETURN ("fits_eval_pixrange: error on read bitpix 8 data", -1);
-
- ptr = pixdat;
- if (hdu->used.blank)
- {
- blankval = (FITS_BITPIX8)hdu->blank;
- while (maxelem-- > 0)
- {
- pixval = (FITS_BITPIX8)*(ptr++);
- if (pixval != blankval)
- {
- if (pixval < minval) minval = pixval;
- else if (pixval > maxval) maxval = pixval;
- }
- else blank_found = 1;
- }
- }
- else
- {
- while (maxelem-- > 0)
- {
- pixval = (FITS_BITPIX8)*(ptr++);
- if (pixval < minval) minval = pixval;
- else if (pixval > maxval) maxval = pixval;
- }
- }
- }
- hdu->pixmin = minval;
- hdu->pixmax = maxval;
- break; }
-
- case 16: {
- register FITS_BITPIX16 pixval;
- register unsigned char *ptr;
- FITS_BITPIX16 minval = 0x7fff, maxval = ~0x7fff;
-
- while (nelem > 0)
- {
- maxelem = sizeof (pixdat)/bpp;
- if (nelem < maxelem) maxelem = nelem;
- nelem -= maxelem;
- if (fread ((char *)pixdat, bpp, maxelem, fp) != maxelem)
- FITS_RETURN ("fits_eval_pixrange: error on read bitpix 16 data", -1);
-
- ptr = pixdat;
- if (hdu->used.blank)
- {FITS_BITPIX16 blankval = (FITS_BITPIX16)hdu->blank;
-
- while (maxelem-- > 0)
- {
- FITS_GETBITPIX16 (ptr, pixval);
- ptr += 2;
- if (pixval != blankval)
- {
- if (pixval < minval) minval = pixval;
- else if (pixval > maxval) maxval = pixval;
- }
- else blank_found = 1;
- }
- }
- else
- {
- while (maxelem-- > 0)
- {
- FITS_GETBITPIX16 (ptr, pixval);
- ptr += 2;
- if (pixval < minval) minval = pixval;
- else if (pixval > maxval) maxval = pixval;
- }
- }
- }
- hdu->pixmin = minval;
- hdu->pixmax = maxval;
- break; }
-
-
- case 32: {
- register FITS_BITPIX32 pixval;
- register unsigned char *ptr;
- FITS_BITPIX32 minval = 0x7fffffff, maxval = ~0x7fffffff;
-
- while (nelem > 0)
- {
- maxelem = sizeof (pixdat)/bpp;
- if (nelem < maxelem) maxelem = nelem;
- nelem -= maxelem;
- if (fread ((char *)pixdat, bpp, maxelem, fp) != maxelem)
- FITS_RETURN ("fits_eval_pixrange: error on read bitpix 32 data", -1);
-
- ptr = pixdat;
- if (hdu->used.blank)
- {FITS_BITPIX32 blankval = (FITS_BITPIX32)hdu->blank;
-
- while (maxelem-- > 0)
- {
- FITS_GETBITPIX32 (ptr, pixval);
- ptr += 4;
- if (pixval != blankval)
- {
- if (pixval < minval) minval = pixval;
- else if (pixval > maxval) maxval = pixval;
- }
- else blank_found = 1;
- }
- }
- else
- {
- while (maxelem-- > 0)
- {
- FITS_GETBITPIX32 (ptr, pixval);
- ptr += 4;
- if (pixval < minval) minval = pixval;
- else if (pixval > maxval) maxval = pixval;
- }
- }
- }
- hdu->pixmin = minval;
- hdu->pixmax = maxval;
- break; }
-
- case -32: {
- register FITS_BITPIXM32 pixval;
- register unsigned char *ptr;
- FITS_BITPIXM32 minval, maxval;
- int first = 1;
-
- /* initialize */
-
- pixval = 0;
- minval = 0;
- maxval = 0;
-
- while (nelem > 0)
- {
- maxelem = sizeof (pixdat)/bpp;
- if (nelem < maxelem) maxelem = nelem;
- nelem -= maxelem;
- if (fread ((char *)pixdat, bpp, maxelem, fp) != maxelem)
- FITS_RETURN ("fits_eval_pixrange: error on read bitpix -32 data", -1);
-
- ptr = pixdat;
- while (maxelem-- > 0)
- {
- if (!fits_nan_32 (ptr))
- {
- FITS_GETBITPIXM32 (ptr, pixval);
- ptr += 4;
- if (first)
- {
- first = 0;
- minval = maxval = pixval;
- }
- else if (pixval < minval) { minval = pixval; }
- else if (pixval > maxval) { maxval = pixval; }
- }
- else nan_found = 1;
- }
- }
- hdu->pixmin = minval;
- hdu->pixmax = maxval;
- break; }
-
- case -64: {
- register FITS_BITPIXM64 pixval;
- register unsigned char *ptr;
- FITS_BITPIXM64 minval, maxval;
- int first = 1;
-
- /* initialize */
-
- minval = 0;
- maxval = 0;
-
- while (nelem > 0)
- {
- maxelem = sizeof (pixdat)/bpp;
- if (nelem < maxelem) maxelem = nelem;
- nelem -= maxelem;
- if (fread ((char *)pixdat, bpp, maxelem, fp) != maxelem)
- FITS_RETURN ("fits_eval_pixrange: error on read bitpix -64 data", -1);
-
- ptr = pixdat;
- while (maxelem-- > 0)
- {
- if (!fits_nan_64 (ptr))
- {
- FITS_GETBITPIXM64 (ptr, pixval);
- ptr += 8;
- if (first)
- {
- first = 0;
- minval = maxval = pixval;
- }
- else if (pixval < minval) { minval = pixval; }
- else if (pixval > maxval) { maxval = pixval; }
- }
- else nan_found = 1;
- }
- }
- hdu->pixmin = minval;
- hdu->pixmax = maxval;
- break; }
- }
- if (nan_found) hdu->used.nan_value = 1;
- if (blank_found) hdu->used.blank_value = 1;
-
- return (0);
+ guchar pixdat[FITSNPIX];
+ gint nelem, bpp;
+ gboolean blank_found = FALSE;
+ gboolean nan_found = FALSE;
+
+ if (fseek (fp, hdu->data_offset, SEEK_SET) < 0)
+ FITS_RETURN ("fits_eval_pixrange: cant position file", -1);
+
+ bpp = hdu->bpp; /* Number of bytes per pixel */
+ nelem = hdu->udata_size / bpp; /* Number of data elements */
+
+ switch (hdu->bitpix)
+ {
+ case 8:
+ {
+ register FITS_BITPIX8 pixval;
+ register guchar *ptr;
+ FITS_BITPIX8 minval = 255;
+ FITS_BITPIX8 maxval = 0;
+
+ while (nelem > 0)
+ {
+ maxelem = sizeof (pixdat) / bpp;
+ if (nelem < maxelem)
+ maxelem = nelem;
+
+ nelem -= maxelem;
+ if (fread ((gchar *) pixdat, bpp, maxelem, fp) != maxelem)
+ FITS_RETURN ("fits_eval_pixrange: error on read bitpix 8 data", -1);
+
+ ptr = pixdat;
+ if (hdu->used.blank)
+ {
+ FITS_BITPIX8 blankval = (FITS_BITPIX8) hdu->blank;
+
+ while (maxelem-- > 0)
+ {
+ pixval = (FITS_BITPIX8)*(ptr++);
+
+ if (pixval != blankval)
+ {
+ if (pixval < minval)
+ minval = pixval;
+ else if (pixval > maxval)
+ maxval = pixval;
+ }
+ else
+ {
+ blank_found = TRUE;
+ }
+ }
+ }
+ else
+ {
+ while (maxelem-- > 0)
+ {
+ pixval = (FITS_BITPIX8)*(ptr++);
+
+ if (pixval < minval)
+ minval = pixval;
+ else if (pixval > maxval)
+ maxval = pixval;
+ }
+ }
+ }
+
+ hdu->pixmin = minval;
+ hdu->pixmax = maxval;
+ break;
+ }
+
+ case 16:
+ {
+ register FITS_BITPIX16 pixval;
+ register guchar *ptr;
+ FITS_BITPIX16 minval = 0x7fff;
+ FITS_BITPIX16 maxval = ~0x7fff;
+
+ while (nelem > 0)
+ {
+ maxelem = sizeof (pixdat) / bpp;
+ if (nelem < maxelem)
+ maxelem = nelem;
+
+ nelem -= maxelem;
+ if (fread ((gchar *) pixdat, bpp, maxelem, fp) != maxelem)
+ FITS_RETURN ("fits_eval_pixrange: error on read bitpix 16 data", -1);
+
+ ptr = pixdat;
+ if (hdu->used.blank)
+ {
+ FITS_BITPIX16 blankval = (FITS_BITPIX16) hdu->blank;
+
+ while (maxelem-- > 0)
+ {
+ FITS_GETBITPIX16 (ptr, pixval);
+ ptr += 2;
+
+ if (pixval != blankval)
+ {
+ if (pixval < minval)
+ minval = pixval;
+ else if (pixval > maxval)
+ maxval = pixval;
+ }
+ else
+ {
+ blank_found = TRUE;
+ }
+ }
+ }
+ else
+ {
+ while (maxelem-- > 0)
+ {
+ FITS_GETBITPIX16 (ptr, pixval);
+ ptr += 2;
+
+ if (pixval < minval)
+ minval = pixval;
+ else if (pixval > maxval)
+ maxval = pixval;
+ }
+ }
+ }
+
+ hdu->pixmin = minval;
+ hdu->pixmax = maxval;
+ break;
+ }
+
+ case 32:
+ {
+ register FITS_BITPIX32 pixval;
+ register guchar *ptr;
+ FITS_BITPIX32 minval = 0x7fffffff;
+ FITS_BITPIX32 maxval = ~0x7fffffff;
+
+ while (nelem > 0)
+ {
+ maxelem = sizeof (pixdat)/bpp;
+ if (nelem < maxelem)
+ maxelem = nelem;
+
+ nelem -= maxelem;
+ if (fread ((gchar *) pixdat, bpp, maxelem, fp) != maxelem)
+ FITS_RETURN ("fits_eval_pixrange: error on read bitpix 32 data", -1);
+
+ ptr = pixdat;
+ if (hdu->used.blank)
+ {
+ FITS_BITPIX32 blankval = (FITS_BITPIX32)hdu->blank;
+
+ while (maxelem-- > 0)
+ {
+ FITS_GETBITPIX32 (ptr, pixval);
+ ptr += 4;
+
+ if (pixval != blankval)
+ {
+ if (pixval < minval)
+ minval = pixval;
+ else if (pixval > maxval)
+ maxval = pixval;
+ }
+ else
+ {
+ blank_found = TRUE;
+ }
+ }
+ }
+ else
+ {
+ while (maxelem-- > 0)
+ {
+ FITS_GETBITPIX32 (ptr, pixval);
+ ptr += 4;
+
+ if (pixval < minval)
+ minval = pixval;
+ else if (pixval > maxval)
+ maxval = pixval;
+ }
+ }
+ }
+
+ hdu->pixmin = minval;
+ hdu->pixmax = maxval;
+ break;
+ }
+
+ case -32:
+ {
+ register FITS_BITPIXM32 pixval = 0;
+ register guchar *ptr;
+ FITS_BITPIXM32 minval = 0;
+ FITS_BITPIXM32 maxval = 0;
+ gboolean first = TRUE;
+
+ while (nelem > 0)
+ {
+ maxelem = sizeof (pixdat) / bpp;
+ if (nelem < maxelem)
+ maxelem = nelem;
+
+ nelem -= maxelem;
+ if (fread ((gchar *) pixdat, bpp, maxelem, fp) != maxelem)
+ FITS_RETURN ("fits_eval_pixrange: error on read bitpix -32 data", -1);
+
+ ptr = pixdat;
+ while (maxelem-- > 0)
+ {
+ if (! fits_nan_32 (ptr))
+ {
+ FITS_GETBITPIXM32 (ptr, pixval);
+ ptr += 4;
+
+ if (first)
+ {
+ first = FALSE;
+ minval = maxval = pixval;
+ }
+ else if (pixval < minval)
+ {
+ minval = pixval;
+ }
+ else if (pixval > maxval)
+ {
+ maxval = pixval;
+ }
+ }
+ else
+ {
+ nan_found = TRUE;
+ }
+ }
+ }
+
+ hdu->pixmin = minval;
+ hdu->pixmax = maxval;
+ break;
+ }
+
+ case -64:
+ {
+ register FITS_BITPIXM64 pixval;
+ register guchar *ptr;
+ FITS_BITPIXM64 minval = 0;
+ FITS_BITPIXM64 maxval = 0;
+ gboolean first = TRUE;
+
+ while (nelem > 0)
+ {
+ maxelem = sizeof (pixdat) / bpp;
+ if (nelem < maxelem)
+ maxelem = nelem;
+
+ nelem -= maxelem;
+ if (fread ((gchar *) pixdat, bpp, maxelem, fp) != maxelem)
+ FITS_RETURN ("fits_eval_pixrange: error on read bitpix -64 data", -1);
+
+ ptr = pixdat;
+ while (maxelem-- > 0)
+ {
+ if (! fits_nan_64 (ptr))
+ {
+ FITS_GETBITPIXM64 (ptr, pixval);
+ ptr += 8;
+
+ if (first)
+ {
+ first = FALSE;
+ minval = maxval = pixval;
+ }
+ else if (pixval < minval)
+ {
+ minval = pixval;
+ }
+ else if (pixval > maxval)
+ {
+ maxval = pixval;
+ }
+ }
+ else
+ {
+ nan_found = TRUE;
+ }
+ }
+ }
+
+ hdu->pixmin = minval;
+ hdu->pixmax = maxval;
+ break;
+ }
+ }
+
+ if (nan_found)
+ hdu->used.nan_value = TRUE;
+
+ if (blank_found)
+ hdu->used.blank_value = TRUE;
+
+ return 0;
}
@@ -1494,145 +1630,160 @@ static int fits_eval_pixrange (FILE *fp, FITS_HDU_LIST *hdu)
/* #END-PAR */
/*****************************************************************************/
-FITS_DATA *fits_decode_card (const char *card, FITS_DATA_TYPES data_type)
-
-{static FITS_DATA data;
- long l_long;
- double l_double;
- char l_card[FITS_CARD_SIZE+1], msg[256];
- char *cp, *dst, *end;
- int ErrCount = 0;
-
- if (card == NULL) return (NULL);
-
- memcpy (l_card, card, FITS_CARD_SIZE);
- l_card[FITS_CARD_SIZE] = '\0';
-
- if (strncmp (card+8, "= ", 2) != 0)
- {
- sprintf (msg, "fits_decode_card (warning): Missing value indicator\
- '= ' for %8.8s", l_card);
- fits_set_error (msg);
- ErrCount++;
- }
-
- switch (data_type)
- {
- case typ_bitpix8:
- data.bitpix8 = (FITS_BITPIX8)(l_card[10]);
- break;
-
- case typ_bitpix16:
- if (sscanf (l_card+10, "%ld", &l_long) != 1)
- {
- fits_set_error ("fits_decode_card: error decoding typ_bitpix16");
- ErrCount++;
- break;
- }
- data.bitpix16 = (FITS_BITPIX16)l_long;
- break;
-
- case typ_bitpix32:
- if (sscanf (l_card+10, "%ld", &l_long) != 1)
- {
- fits_set_error ("fits_decode_card: error decoding typ_bitpix32");
- ErrCount++;
- break;
- }
- data.bitpix32 = (FITS_BITPIX32)l_long;
- break;
-
- case typ_bitpixm32:
- if (fits_scanfdouble (l_card+10, &l_double) != 1)
- {
- fits_set_error ("fits_decode_card: error decoding typ_bitpixm32");
- ErrCount++;
- break;
- }
- data.bitpixm32 = (FITS_BITPIXM32)l_double;
- break;
-
- case typ_bitpixm64:
- if (fits_scanfdouble (l_card+10, &l_double) != 1)
- {
- fits_set_error ("fits_decode_card: error decoding typ_bitpixm64");
- ErrCount++;
- break;
- }
- data.bitpixm64 = (FITS_BITPIXM64)l_double;
- break;
-
- case typ_fbool:
- cp = l_card+10;
- while (*cp == ' ') cp++;
- if (*cp == 'T')
- {
- data.fbool = 1;
- }
- else if (*cp == 'F')
- {
- data.fbool = 0;
- }
- else
- {
- fits_set_error ("fits_decode_card: error decoding typ_fbool");
- ErrCount++;
- break;
- }
- break;
-
- case typ_flong:
- if (sscanf (l_card+10, "%ld", &l_long) != 1)
- {
- fits_set_error ("fits_decode_card: error decoding typ_flong");
- ErrCount++;
- break;
- }
- data.flong = (FITS_BITPIX32)l_long;
- break;
-
- case typ_fdouble:
- if (fits_scanfdouble (l_card+10, &l_double) != 1)
- {
- fits_set_error ("fits_decode_card: error decoding typ_fdouble");
- ErrCount++;
- break;
- }
- data.fdouble = (FITS_BITPIXM32)l_double;
- break;
-
- case typ_fstring:
- cp = l_card+10;
- if (*cp != '\'')
- {
- fits_set_error ("fits_decode_card: missing \' decoding typ_fstring");
- ErrCount++;
- break;
- }
-
- dst = data.fstring;
- cp++;
- end = l_card+FITS_CARD_SIZE-1;
- for (;;) /* Search for trailing quote */
- {
- if (*cp != '\'') /* All characters but quote are used. */
- {
- *(dst++) = *cp;
- }
- else /* Maybe there is a quote in the string */
- {
- if (cp >= end) break; /* End of card ? finished */
- if (*(cp+1) != '\'') break;
- *(dst++) = *(cp++);
- }
- if (cp >= end) break;
- cp++;
- }
- *dst = '\0';
- break;
- }
-
- return ((ErrCount == 0) ? &data : NULL);
+FITS_DATA *
+fits_decode_card (const gchar *card,
+ FITS_DATA_TYPES data_type)
+{
+ static FITS_DATA data;
+ glong l_long;
+ gdouble l_double;
+ gchar l_card[FITS_CARD_SIZE+1];
+ gchar msg[256];
+ gchar *cp, *dst, *end;
+ gint ErrCount = 0;
+
+ if (card == NULL)
+ return NULL;
+
+ memcpy (l_card, card, FITS_CARD_SIZE);
+ l_card[FITS_CARD_SIZE] = '\0';
+
+ if (strncmp (card+8, "= ", 2) != 0)
+ {
+ sprintf (msg,
+ "fits_decode_card (warning): Missing value indicator "
+ "'= ' for %8.8s", l_card);
+ fits_set_error (msg);
+ ErrCount++;
+ }
+
+ switch (data_type)
+ {
+ case typ_bitpix8:
+ data.bitpix8 = (FITS_BITPIX8) (l_card[10]);
+ break;
+
+ case typ_bitpix16:
+ if (sscanf (l_card + 10, "%ld", &l_long) != 1)
+ {
+ fits_set_error ("fits_decode_card: error decoding typ_bitpix16");
+ ErrCount++;
+ break;
+ }
+ data.bitpix16 = (FITS_BITPIX16) l_long;
+ break;
+
+ case typ_bitpix32:
+ if (sscanf (l_card + 10, "%ld", &l_long) != 1)
+ {
+ fits_set_error ("fits_decode_card: error decoding typ_bitpix32");
+ ErrCount++;
+ break;
+ }
+ data.bitpix32 = (FITS_BITPIX32) l_long;
+ break;
+
+ case typ_bitpixm32:
+ if (fits_scanfdouble (l_card + 10, &l_double) != 1)
+ {
+ fits_set_error ("fits_decode_card: error decoding typ_bitpixm32");
+ ErrCount++;
+ break;
+ }
+ data.bitpixm32 = (FITS_BITPIXM32) l_double;
+ break;
+
+ case typ_bitpixm64:
+ if (fits_scanfdouble (l_card + 10, &l_double) != 1)
+ {
+ fits_set_error ("fits_decode_card: error decoding typ_bitpixm64");
+ ErrCount++;
+ break;
+ }
+ data.bitpixm64 = (FITS_BITPIXM64) l_double;
+ break;
+
+ case typ_fbool:
+ cp = l_card + 10;
+ while (*cp == ' ')
+ cp++;
+
+ if (*cp == 'T')
+ {
+ data.fbool = 1;
+ }
+ else if (*cp == 'F')
+ {
+ data.fbool = 0;
+ }
+ else
+ {
+ fits_set_error ("fits_decode_card: error decoding typ_fbool");
+ ErrCount++;
+ break;
+ }
+ break;
+
+ case typ_flong:
+ if (sscanf (l_card + 10, "%ld", &l_long) != 1)
+ {
+ fits_set_error ("fits_decode_card: error decoding typ_flong");
+ ErrCount++;
+ break;
+ }
+ data.flong = (FITS_BITPIX32) l_long;
+ break;
+
+ case typ_fdouble:
+ if (fits_scanfdouble (l_card + 10, &l_double) != 1)
+ {
+ fits_set_error ("fits_decode_card: error decoding typ_fdouble");
+ ErrCount++;
+ break;
+ }
+ data.fdouble = (FITS_BITPIXM32) l_double;
+ break;
+
+ case typ_fstring:
+ cp = l_card + 10;
+ if (*cp != '\'')
+ {
+ fits_set_error ("fits_decode_card: missing \' decoding typ_fstring");
+ ErrCount++;
+ break;
+ }
+
+ dst = data.fstring;
+ cp++;
+ end = l_card + FITS_CARD_SIZE - 1;
+ for (;;) /* Search for trailing quote */
+ {
+ if (*cp != '\'') /* All characters but quote are used. */
+ {
+ *(dst++) = *cp;
+ }
+ else /* Maybe there is a quote in the string */
+ {
+ if (cp >= end)
+ break; /* End of card ? finished */
+
+ if (*(cp+1) != '\'')
+ break;
+
+ *(dst++) = *(cp++);
+ }
+
+ if (cp >= end)
+ break;
+
+ cp++;
+ }
+
+ *dst = '\0';
+ break;
+ }
+
+ return (ErrCount == 0) ? &data : NULL;
}
@@ -1657,31 +1808,38 @@ FITS_DATA *fits_decode_card (const char *card, FITS_DATA_TYPES data_type)
/* #END-PAR */
/*****************************************************************************/
-char *fits_search_card (FITS_RECORD_LIST *rl, char *keyword)
-
-{int key_len, k;
- char *card;
- char key[9];
-
- key_len = strlen (keyword);
- if (key_len > 8) key_len = 8;
- if (key_len == 0)
- FITS_RETURN ("fits_search_card: Invalid parameter", NULL);
-
- strcpy (key, " ");
- memcpy (key, keyword, key_len);
-
- while (rl != NULL)
- {
- card = (char *)rl->data;
- for (k = 0; k < FITS_RECORD_SIZE / FITS_CARD_SIZE; k++)
- {
- if (strncmp (card, key, 8) == 0) return (card);
- card += FITS_CARD_SIZE;
- }
- rl = rl->next_record;
- }
- return (NULL);
+gchar *
+fits_search_card (FITS_RECORD_LIST *rl,
+ gchar *keyword)
+{
+ gint key_len, k;
+ gchar key[9];
+
+ key_len = strlen (keyword);
+ if (key_len > 8)
+ key_len = 8;
+ if (key_len == 0)
+ FITS_RETURN ("fits_search_card: Invalid parameter", NULL);
+
+ strcpy (key, " ");
+ memcpy (key, keyword, key_len);
+
+ while (rl != NULL)
+ {
+ gchar *card = (gchar *) rl->data;
+
+ for (k = 0; k < FITS_RECORD_SIZE / FITS_CARD_SIZE; k++)
+ {
+ if (strncmp (card, key, 8) == 0)
+ return (card);
+
+ card += FITS_CARD_SIZE;
+ }
+
+ rl = rl->next_record;
+ }
+
+ return NULL;
}
@@ -1703,32 +1861,40 @@ char *fits_search_card (FITS_RECORD_LIST *rl, char *keyword)
/* #END-PAR */
/*****************************************************************************/
-FITS_HDU_LIST *fits_image_info (FITS_FILE *ff, int picind, int *hdupicind)
+FITS_HDU_LIST *
+fits_image_info (FITS_FILE *ff,
+ gint picind,
+ gint *hdupicind)
+{
+ FITS_HDU_LIST *hdulist;
+ gint firstpic, lastpic;
+
+ if (ff == NULL)
+ FITS_RETURN ("fits_image_info: ff is NULL", NULL);
+
+ if (ff->openmode != 'r')
+ FITS_RETURN ("fits_image_info: file not open for reading", NULL);
-{FITS_HDU_LIST *hdulist;
- int firstpic, lastpic;
+ if ((picind < 1) || (picind > ff->n_pic))
+ FITS_RETURN ("fits_image_info: picind out of range", NULL);
- if (ff == NULL)
- FITS_RETURN ("fits_image_info: ff is NULL", NULL);
+ firstpic = 1;
+ for (hdulist = ff->hdu_list; hdulist != NULL; hdulist = hdulist->next_hdu)
+ {
+ if (hdulist->numpic <= 0)
+ continue;
- if (ff->openmode != 'r')
- FITS_RETURN ("fits_image_info: file not open for reading", NULL);
+ lastpic = firstpic + hdulist->numpic - 1;
- if ((picind < 1) || (picind > ff->n_pic))
- FITS_RETURN ("fits_image_info: picind out of range", NULL);
+ if (picind <= lastpic) /* Found image in current HDU ? */
+ break;
- firstpic = 1;
- for (hdulist = ff->hdu_list; hdulist != NULL; hdulist = hdulist->next_hdu)
- {
- if (hdulist->numpic <= 0) continue;
- lastpic = firstpic+hdulist->numpic-1;
- if (picind <= lastpic) /* Found image in current HDU ? */
- break;
+ firstpic = lastpic + 1;
+ }
- firstpic = lastpic+1;
- }
- *hdupicind = picind - firstpic + 1;
- return (hdulist);
+ *hdupicind = picind - firstpic + 1;
+
+ return hdulist;
}
@@ -1750,21 +1916,24 @@ FITS_HDU_LIST *fits_image_info (FITS_FILE *ff, int picind, int *hdupicind)
/* #END-PAR */
/*****************************************************************************/
-FITS_HDU_LIST *fits_seek_image (FITS_FILE *ff, int picind)
-
-{FITS_HDU_LIST *hdulist;
- int hdupicind;
- long offset, pic_size;
+FITS_HDU_LIST *
+fits_seek_image (FITS_FILE *ff,
+ gint picind)
+{
+ FITS_HDU_LIST *hdulist;
+ gint hdupicind;
+ glong offset, pic_size;
- hdulist = fits_image_info (ff, picind, &hdupicind);
- if (hdulist == NULL) return (NULL);
+ hdulist = fits_image_info (ff, picind, &hdupicind);
+ if (hdulist == NULL)
+ return NULL;
- pic_size = hdulist->bpp * hdulist->naxisn[0] * hdulist->naxisn[1];
- offset = hdulist->data_offset + (hdupicind-1)*pic_size;
- if (fseek (ff->fp, offset, SEEK_SET) < 0)
- FITS_RETURN ("fits_seek_image: Unable to position to image", NULL);
+ pic_size = hdulist->bpp * hdulist->naxisn[0] * hdulist->naxisn[1];
+ offset = hdulist->data_offset + (hdupicind - 1) * pic_size;
+ if (fseek (ff->fp, offset, SEEK_SET) < 0)
+ FITS_RETURN ("fits_seek_image: Unable to position to image", NULL);
- return (hdulist);
+ return hdulist;
}
@@ -1792,240 +1961,329 @@ FITS_HDU_LIST *fits_seek_image (FITS_FILE *ff, int picind)
/* #END-PAR */
/*****************************************************************************/
-int fits_read_pixel (FITS_FILE *ff, FITS_HDU_LIST *hdulist, int npix,
- FITS_PIX_TRANSFORM *trans, void *buf)
-
-{double offs, scale;
- double datadiff, pixdiff;
- unsigned char pixbuffer[4096], *pix, *cdata;
- unsigned char creplace;
- int transcount = 0;
- long tdata, tmin, tmax;
- int maxelem;
- FITS_BITPIX8 bp8, bp8blank;
- FITS_BITPIX16 bp16, bp16blank;
- FITS_BITPIX32 bp32, bp32blank;
- FITS_BITPIXM32 bpm32;
- FITS_BITPIXM64 bpm64;
-
- /* initialize */
-
- bpm32 = 0;
-
- if (ff->openmode != 'r') return (-1); /* Not open for reading */
- if (trans->dsttyp != 'c') return (-1); /* Currently we only return chars */
- if (npix <= 0) return (npix);
-
- datadiff = trans->datamax - trans->datamin;
- pixdiff = trans->pixmax - trans->pixmin;
-
- offs = trans->datamin - trans->pixmin*datadiff/pixdiff;
- scale = datadiff / pixdiff;
-
- tmin = (long)trans->datamin;
- tmax = (long)trans->datamax;
- if (tmin < 0) tmin = 0; else if (tmin > 255) tmin = 255;
- if (tmax < 0) tmax = 0; else if (tmax > 255) tmax = 255;
-
- cdata = (unsigned char *)buf;
- creplace = (unsigned char)trans->replacement;
-
- switch (hdulist->bitpix)
- {
- case 8:
- while (npix > 0) /* For all pixels to read */
- {
- maxelem = sizeof (pixbuffer) / hdulist->bpp;
- if (maxelem > npix) maxelem = npix;
- if (fread ((char *)pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
- return (-1);
- npix -= maxelem;
-
- pix = pixbuffer;
- if (hdulist->used.blank)
- {
- bp8blank = (FITS_BITPIX8)hdulist->blank;
- while (maxelem--)
- {
- bp8 = (FITS_BITPIX8)*(pix++);
- if (bp8 == bp8blank) /* Is it a blank pixel ? */
- *(cdata++) = creplace;
- else /* Do transform */
- {
- tdata = (long)(bp8 * scale + offs);
- if (tdata < tmin) tdata = tmin;
- else if (tdata > tmax) tdata = tmax;
- *(cdata++) = (unsigned char)tdata;
- }
- transcount++;
- }
- }
- else
- {
- while (maxelem--)
- {
- bp8 = (FITS_BITPIX8)*(pix++);
- tdata = (long)(bp8 * scale + offs);
- if (tdata < tmin) tdata = tmin;
- else if (tdata > tmax) tdata = tmax;
- *(cdata++) = (unsigned char)tdata;
- transcount++;
- }
- }
- }
- break;
-
- case 16:
- while (npix > 0) /* For all pixels to read */
- {
- maxelem = sizeof (pixbuffer) / hdulist->bpp;
- if (maxelem > npix) maxelem = npix;
- if (fread ((char *)pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
- return (-1);
- npix -= maxelem;
-
- pix = pixbuffer;
- if (hdulist->used.blank)
- {
- bp16blank = (FITS_BITPIX16)hdulist->blank;
- while (maxelem--)
- {
- FITS_GETBITPIX16 (pix, bp16);
- if (bp16 == bp16blank)
- *(cdata++) = creplace;
- else
- {
- tdata = (long)(bp16 * scale + offs);
- if (tdata < tmin) tdata = tmin;
- else if (tdata > tmax) tdata = tmax;
- *(cdata++) = (unsigned char)tdata;
- }
- transcount++;
- pix += 2;
- }
- }
- else
- {
- while (maxelem--)
- {
- FITS_GETBITPIX16 (pix, bp16);
- tdata = (long)(bp16 * scale + offs);
- if (tdata < tmin) tdata = tmin;
- else if (tdata > tmax) tdata = tmax;
- *(cdata++) = (unsigned char)tdata;
- transcount++;
- pix += 2;
- }
- }
- }
- break;
-
- case 32:
- while (npix > 0) /* For all pixels to read */
- {
- maxelem = sizeof (pixbuffer) / hdulist->bpp;
- if (maxelem > npix) maxelem = npix;
- if (fread ((char *)pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
- return (-1);
- npix -= maxelem;
-
- pix = pixbuffer;
- if (hdulist->used.blank)
- {
- bp32blank = (FITS_BITPIX32)hdulist->blank;
- while (maxelem--)
- {
- FITS_GETBITPIX32 (pix, bp32);
- if (bp32 == bp32blank)
- *(cdata++) = creplace;
- else
- {
- tdata = (long)(bp32 * scale + offs);
- if (tdata < tmin) tdata = tmin;
- else if (tdata > tmax) tdata = tmax;
- *(cdata++) = (unsigned char)tdata;
- }
- transcount++;
- pix += 4;
- }
- }
- else
- {
- while (maxelem--)
- {
- FITS_GETBITPIX32 (pix, bp32);
- tdata = (long)(bp32 * scale + offs);
- if (tdata < tmin) tdata = tmin;
- else if (tdata > tmax) tdata = tmax;
- *(cdata++) = (unsigned char)tdata;
- transcount++;
- pix += 4;
- }
- }
- }
- break;
-
- case -32:
- while (npix > 0) /* For all pixels to read */
- {
- maxelem = sizeof (pixbuffer) / hdulist->bpp;
- if (maxelem > npix) maxelem = npix;
- if (fread ((char *)pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
- return (-1);
- npix -= maxelem;
-
- pix = pixbuffer;
- while (maxelem--)
- {
- if (fits_nan_32 (pix)) /* An IEEE special value ? */
- *(cdata++) = creplace;
- else /* Do transform */
- {
- FITS_GETBITPIXM32 (pix, bpm32);
- tdata = (long)(bpm32 * scale + offs);
- if (tdata < tmin) tdata = tmin;
- else if (tdata > tmax) tdata = tmax;
- *(cdata++) = (unsigned char)tdata;
- }
- transcount++;
- pix += 4;
- }
- }
- break;
-
- case -64:
- while (npix > 0) /* For all pixels to read */
- {
- maxelem = sizeof (pixbuffer) / hdulist->bpp;
- if (maxelem > npix) maxelem = npix;
- if (fread ((char *)pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
- return (-1);
- npix -= maxelem;
-
- pix = pixbuffer;
- while (maxelem--)
- {
- if (fits_nan_64 (pix))
- *(cdata++) = creplace;
- else
- {
- FITS_GETBITPIXM64 (pix, bpm64);
- tdata = (long)(bpm64 * scale + offs);
- if (tdata < tmin) tdata = tmin;
- else if (tdata > tmax) tdata = tmax;
- *(cdata++) = (unsigned char)tdata;
- }
- transcount++;
- pix += 8;
- }
- }
- break;
- }
- return (transcount);
+int
+fits_read_pixel (FITS_FILE *ff,
+ FITS_HDU_LIST *hdulist,
+ gint npix,
+ FITS_PIX_TRANSFORM *trans,
+ void *buf)
+{
+ gdouble offs, scale;
+ gdouble datadiff, pixdiff;
+ guchar pixbuffer[4096], *pix, *cdata;
+ guchar creplace;
+ gint transcount = 0;
+ glong tdata, tmin, tmax;
+ gint maxelem;
+ FITS_BITPIX8 bp8, bp8blank;
+ FITS_BITPIX16 bp16, bp16blank;
+ FITS_BITPIX32 bp32, bp32blank;
+ FITS_BITPIXM32 bpm32;
+ FITS_BITPIXM64 bpm64;
+
+ /* initialize */
+
+ bpm32 = 0;
+
+ if (ff->openmode != 'r')
+ return -1; /* Not open for reading */
+
+ if (trans->dsttyp != 'c')
+ return -1; /* Currently we only return chars */
+
+ if (npix <= 0)
+ return npix;
+
+ datadiff = trans->datamax - trans->datamin;
+ pixdiff = trans->pixmax - trans->pixmin;
+
+ offs = trans->datamin - trans->pixmin * datadiff / pixdiff;
+ scale = datadiff / pixdiff;
+
+ tmin = (glong) trans->datamin;
+ tmax = (glong) trans->datamax;
+
+ if (tmin < 0)
+ tmin = 0;
+ else if (tmin > 255)
+ tmin = 255;
+
+ if (tmax < 0)
+ tmax = 0;
+ else if (tmax > 255)
+ tmax = 255;
+
+ cdata = (guchar *) buf;
+ creplace = (guchar) trans->replacement;
+
+ switch (hdulist->bitpix)
+ {
+ case 8:
+ while (npix > 0) /* For all pixels to read */
+ {
+ maxelem = sizeof (pixbuffer) / hdulist->bpp;
+ if (maxelem > npix)
+ maxelem = npix;
+
+ if (fread ((gchar *) pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
+ return -1;
+
+ npix -= maxelem;
+
+ pix = pixbuffer;
+
+ if (hdulist->used.blank)
+ {
+ bp8blank = (FITS_BITPIX8) hdulist->blank;
+
+ while (maxelem--)
+ {
+ bp8 = (FITS_BITPIX8) * (pix++);
+
+ if (bp8 == bp8blank) /* Is it a blank pixel ? */
+ {
+ *(cdata++) = creplace;
+ }
+ else /* Do transform */
+ {
+ tdata = (glong) (bp8 * scale + offs);
+ if (tdata < tmin)
+ tdata = tmin;
+ else if (tdata > tmax)
+ tdata = tmax;
+
+ *(cdata++) = (guchar) tdata;
+ }
+
+ transcount++;
+ }
+ }
+ else
+ {
+ while (maxelem--)
+ {
+ bp8 = (FITS_BITPIX8) * (pix++);
+ tdata = (glong) (bp8 * scale + offs);
+
+ if (tdata < tmin)
+ tdata = tmin;
+ else if (tdata > tmax)
+ tdata = tmax;
+
+ *(cdata++) = (guchar) tdata;
+
+ transcount++;
+ }
+ }
+ }
+ break;
+
+ case 16:
+ while (npix > 0) /* For all pixels to read */
+ {
+ maxelem = sizeof (pixbuffer) / hdulist->bpp;
+ if (maxelem > npix)
+ maxelem = npix;
+
+ if (fread ((gchar *) pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
+ return -1;
+
+ npix -= maxelem;
+
+ pix = pixbuffer;
+ if (hdulist->used.blank)
+ {
+ bp16blank = (FITS_BITPIX16) hdulist->blank;
+
+ while (maxelem--)
+ {
+ FITS_GETBITPIX16 (pix, bp16);
+
+ if (bp16 == bp16blank)
+ {
+ *(cdata++) = creplace;
+ }
+ else
+ {
+ tdata = (glong) (bp16 * scale + offs);
+
+ if (tdata < tmin)
+ tdata = tmin;
+ else if (tdata > tmax)
+ tdata = tmax;
+
+ *(cdata++) = (guchar) tdata;
+ }
+
+ transcount++;
+ pix += 2;
+ }
+ }
+ else
+ {
+ while (maxelem--)
+ {
+ FITS_GETBITPIX16 (pix, bp16);
+
+ tdata = (glong) (bp16 * scale + offs);
+ if (tdata < tmin)
+ tdata = tmin;
+ else if (tdata > tmax)
+ tdata = tmax;
+
+ *(cdata++) = (guchar) tdata;
+
+ transcount++;
+ pix += 2;
+ }
+ }
+ }
+ break;
+
+ case 32:
+ while (npix > 0) /* For all pixels to read */
+ {
+ maxelem = sizeof (pixbuffer) / hdulist->bpp;
+ if (maxelem > npix)
+ maxelem = npix;
+
+ if (fread ((gchar *) pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
+ return -1;
+
+ npix -= maxelem;
+
+ pix = pixbuffer;
+ if (hdulist->used.blank)
+ {
+ bp32blank = (FITS_BITPIX32) hdulist->blank;
+
+ while (maxelem--)
+ {
+ FITS_GETBITPIX32 (pix, bp32);
+
+ if (bp32 == bp32blank)
+ {
+ *(cdata++) = creplace;
+ }
+ else
+ {
+ tdata = (glong) (bp32 * scale + offs);
+ if (tdata < tmin)
+ tdata = tmin;
+ else if (tdata > tmax)
+ tdata = tmax;
+
+ *(cdata++) = (guchar) tdata;
+ }
+
+ transcount++;
+ pix += 4;
+ }
+ }
+ else
+ {
+ while (maxelem--)
+ {
+ FITS_GETBITPIX32 (pix, bp32);
+
+ tdata = (glong) (bp32 * scale + offs);
+ if (tdata < tmin)
+ tdata = tmin;
+ else if (tdata > tmax)
+ tdata = tmax;
+
+ *(cdata++) = (guchar) tdata;
+
+ transcount++;
+ pix += 4;
+ }
+ }
+ }
+ break;
+
+ case -32:
+ while (npix > 0) /* For all pixels to read */
+ {
+ maxelem = sizeof (pixbuffer) / hdulist->bpp;
+ if (maxelem > npix)
+ maxelem = npix;
+
+ if (fread ((gchar *) pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
+ return -1;
+
+ npix -= maxelem;
+
+ pix = pixbuffer;
+ while (maxelem--)
+ {
+ if (fits_nan_32 (pix)) /* An IEEE special value ? */
+ {
+ *(cdata++) = creplace;
+ }
+ else /* Do transform */
+ {
+ FITS_GETBITPIXM32 (pix, bpm32);
+
+ tdata = (glong) (bpm32 * scale + offs);
+ if (tdata < tmin)
+ tdata = tmin;
+ else if (tdata > tmax)
+ tdata = tmax;
+
+ *(cdata++) = (guchar) tdata;
+ }
+
+ transcount++;
+ pix += 4;
+ }
+ }
+ break;
+
+ case -64:
+ while (npix > 0) /* For all pixels to read */
+ {
+ maxelem = sizeof (pixbuffer) / hdulist->bpp;
+ if (maxelem > npix)
+ maxelem = npix;
+
+ if (fread ((gchar *) pixbuffer, hdulist->bpp, maxelem, ff->fp) != maxelem)
+ return -1;
+
+ npix -= maxelem;
+
+ pix = pixbuffer;
+ while (maxelem--)
+ {
+ if (fits_nan_64 (pix))
+ {
+ *(cdata++) = creplace;
+ }
+ else
+ {
+ FITS_GETBITPIXM64 (pix, bpm64);
+
+ tdata = (glong) (bpm64 * scale + offs);
+ if (tdata < tmin)
+ tdata = tmin;
+ else if (tdata > tmax)
+ tdata = tmax;
+
+ *(cdata++) = (guchar) tdata;
+ }
+
+ transcount++;
+ pix += 8;
+ }
+ }
+ break;
+ }
+
+ return transcount;
}
#ifndef FITS_NO_DEMO
+
/*****************************************************************************/
/* #BEG-PAR */
/* */
@@ -2043,63 +2301,76 @@ int fits_read_pixel (FITS_FILE *ff, FITS_HDU_LIST *hdulist, int npix,
/* #END-PAR */
/*****************************************************************************/
-int fits_to_pgmraw (char *fitsfile, char *pgmfile)
+gint
+fits_to_pgmraw (gchar *fitsfile,
+ gchar *pgmfile)
+{
+ FITS_FILE *fitsin = NULL;
+ FILE *pgmout = NULL;
+ FITS_HDU_LIST *hdu;
+ FITS_PIX_TRANSFORM trans;
+ gint retval = -1, nbytes, maxbytes;
+ gchar buffer[1024];
+
+ fitsin = fits_open (fitsfile, "r"); /* Open FITS-file for reading */
+ if (fitsin == NULL)
+ goto err_return;
-{FITS_FILE *fitsin = NULL;
- FILE *pgmout = NULL;
- FITS_HDU_LIST *hdu;
- FITS_PIX_TRANSFORM trans;
- int retval = -1, nbytes, maxbytes;
- char buffer[1024];
+ if (fitsin->n_pic < 1)
+ goto err_return; /* Any picture in it ? */
- fitsin = fits_open (fitsfile, "r"); /* Open FITS-file for reading */
- if (fitsin == NULL) goto err_return;
+ hdu = fits_seek_image (fitsin, 1); /* Position to the first image */
+ if (hdu == NULL)
+ goto err_return;
- if (fitsin->n_pic < 1) goto err_return; /* Any picture in it ? */
+ if (hdu->naxis < 2)
+ goto err_return; /* Enough dimensions ? */
- hdu = fits_seek_image (fitsin, 1); /* Position to the first image */
- if (hdu == NULL) goto err_return;
- if (hdu->naxis < 2) goto err_return; /* Enough dimensions ? */
+ pgmout = g_fopen (pgmfile, "wb");
+ if (pgmout == NULL)
+ goto err_return;
- pgmout = g_fopen (pgmfile, "wb");
- if (pgmout == NULL) goto err_return;
+ /* Write PGM header with width/height */
+ fprintf (pgmout, "P5\n%d %d\n255\n", hdu->naxisn[0], hdu->naxisn[1]);
- /* Write PGM header with width/height */
- fprintf (pgmout, "P5\n%d %d\n255\n", hdu->naxisn[0], hdu->naxisn[1]);
+ /* Set up transformation for FITS pixel values to 0...255 */
+ /* It maps trans.pixmin to trans.datamin and trans.pixmax to trans.datamax. */
+ /* Values out of range [datamin, datamax] are clamped */
+ trans.pixmin = hdu->pixmin;
+ trans.pixmax = hdu->pixmax;
+ trans.datamin = 0.0;
+ trans.datamax = 255.0;
+ trans.replacement = 0.0; /* Blank/NaN replacement value */
+ trans.dsttyp = 'c'; /* Output type is character */
- /* Set up transformation for FITS pixel values to 0...255 */
- /* It maps trans.pixmin to trans.datamin and trans.pixmax to trans.datamax. */
- /* Values out of range [datamin, datamax] are clamped */
- trans.pixmin = hdu->pixmin;
- trans.pixmax = hdu->pixmax;
- trans.datamin = 0.0;
- trans.datamax = 255.0;
- trans.replacement = 0.0; /* Blank/NaN replacement value */
- trans.dsttyp = 'c'; /* Output type is character */
+ nbytes = hdu->naxisn[0]*hdu->naxisn[1];
+ while (nbytes > 0)
+ {
+ maxbytes = sizeof (buffer);
+ if (maxbytes > nbytes)
+ maxbytes = nbytes;
- nbytes = hdu->naxisn[0]*hdu->naxisn[1];
- while (nbytes > 0)
- {
- maxbytes = sizeof (buffer);
- if (maxbytes > nbytes) maxbytes = nbytes;
+ /* Read pixels and transform them */
+ if (fits_read_pixel (fitsin, hdu, maxbytes, &trans, buffer) != maxbytes)
+ goto err_return;
- /* Read pixels and transform them */
- if (fits_read_pixel (fitsin, hdu, maxbytes, &trans, buffer) != maxbytes)
- goto err_return;
+ if (fwrite (buffer, 1, maxbytes, pgmout) != maxbytes)
+ goto err_return;
- if (fwrite (buffer, 1, maxbytes, pgmout) != maxbytes)
- goto err_return;
+ nbytes -= maxbytes;
+ }
- nbytes -= maxbytes;
- }
- retval = 0;
+ retval = 0;
-err_return:
+ err_return:
- if (fitsin) fits_close (fitsin);
- if (pgmout) fclose (pgmout);
+ if (fitsin)
+ fits_close (fitsin);
- return (retval);
+ if (pgmout)
+ fclose (pgmout);
+
+ return retval;
}
@@ -2120,94 +2391,121 @@ err_return:
/* #END-PAR */
/*****************************************************************************/
-int pgmraw_to_fits (char *pgmfile, char *fitsfile)
-
-{FITS_FILE *fitsout = NULL;
- FILE *pgmin = NULL;
- FITS_HDU_LIST *hdu;
- char buffer[1024];
- int width, height, numbytes, maxbytes;
- int retval = -1;
-
- fitsout = fits_open (fitsfile, "w");
- if (fitsout == NULL) goto err_return;
-
- pgmin = g_fopen (pgmfile, "r");
- if (pgmin == NULL) goto err_return;
-
- /* Read signature of PGM file */
- if (fgets (buffer, sizeof (buffer), pgmin) == NULL) goto err_return;
- if ((buffer[0] != 'P') || (buffer[1] != '5')) goto err_return;
-
- /* Skip comments upto width/height */
- do
- {
- if (fgets (buffer, sizeof (buffer), pgmin) == NULL) goto err_return;
- } while (buffer[0] == '#');
-
- if (sscanf (buffer, "%d%d", &width, &height) != 2) goto err_return;
- if ((width < 1) || (height < 1)) goto err_return;
-
- /* Skip comments upto maxval */
- do
- {
- if (fgets (buffer, sizeof (buffer), pgmin) == NULL) goto err_return;
- } while (buffer[0] == '#');
- /* Ignore maxval */
-
- hdu = fits_add_hdu (fitsout); /* Create a HDU for the FITS file */
- if (hdu == NULL) goto err_return;
-
- hdu->used.simple = 1; /* Set proper values */
- hdu->bitpix = 8;
- hdu->naxis = 2;
- hdu->naxisn[0] = width;
- hdu->naxisn[1] = height;
- hdu->used.datamin = 1;
- hdu->datamin = 0.0;
- hdu->used.datamax = 1;
- hdu->datamax = 255.0;
- hdu->used.bzero = 1;
- hdu->bzero = 0.0;
- hdu->used.bscale = 1;
- hdu->bscale = 1.0;
-
- fits_add_card (hdu, "");
- fits_add_card (hdu, "HISTORY THIS FITS FILE WAS GENERATED BY FITSRW\
- USING PGMRAW_TO_FITS");
-
- /* Write the header. Blocking is done automatically */
- if (fits_write_header (fitsout, hdu) < 0) goto err_return;
-
- /* The primary array plus blocking must be written manually */
- numbytes = width * height;
-
- while (numbytes > 0)
- {
- maxbytes = sizeof (buffer);
- if (maxbytes > numbytes) maxbytes = numbytes;
-
- if (fread (buffer, 1, maxbytes, pgmin) != maxbytes) goto err_return;
- if (fwrite (buffer, 1, maxbytes, fitsout->fp) != maxbytes) goto err_return;
-
- numbytes -= maxbytes;
- }
-
- /* Do blocking */
- numbytes = (width * height) % FITS_RECORD_SIZE;
- if (numbytes)
- {
- while (numbytes++ < FITS_RECORD_SIZE)
- if (putc (0, fitsout->fp) == EOF) goto err_return;
- }
- retval = 0;
-
-err_return:
-
- if (fitsout) fits_close (fitsout);
- if (pgmin) fclose (pgmin);
-
- return (retval);
+gint
+pgmraw_to_fits (gchar *pgmfile,
+ gchar *fitsfile)
+{
+ FITS_FILE *fitsout = NULL;
+ FILE *pgmin = NULL;
+ FITS_HDU_LIST *hdu;
+ gchar buffer[1024];
+ gint width, height, numbytes, maxbytes;
+ gint retval = -1;
+
+ fitsout = fits_open (fitsfile, "w");
+ if (fitsout == NULL)
+ goto err_return;
+
+ pgmin = g_fopen (pgmfile, "r");
+ if (pgmin == NULL)
+ goto err_return;
+
+ /* Read signature of PGM file */
+ if (fgets (buffer, sizeof (buffer), pgmin) == NULL)
+ goto err_return;
+
+ if ((buffer[0] != 'P') || (buffer[1] != '5'))
+ goto err_return;
+
+ /* Skip comments upto width/height */
+ do
+ {
+ if (fgets (buffer, sizeof (buffer), pgmin) == NULL)
+ goto err_return;
+ }
+ while (buffer[0] == '#');
+
+ if (sscanf (buffer, "%d%d", &width, &height) != 2)
+ goto err_return;
+
+ if ((width < 1) || (height < 1))
+ goto err_return;
+
+ /* Skip comments upto maxval */
+ do
+ {
+ if (fgets (buffer, sizeof (buffer), pgmin) == NULL)
+ goto err_return;
+ }
+ while (buffer[0] == '#');
+
+ /* Ignore maxval */
+
+ hdu = fits_add_hdu (fitsout); /* Create a HDU for the FITS file */
+ if (hdu == NULL)
+ goto err_return;
+
+ hdu->used.simple = 1; /* Set proper values */
+ hdu->bitpix = 8;
+ hdu->naxis = 2;
+ hdu->naxisn[0] = width;
+ hdu->naxisn[1] = height;
+ hdu->used.datamin = 1;
+ hdu->datamin = 0.0;
+ hdu->used.datamax = 1;
+ hdu->datamax = 255.0;
+ hdu->used.bzero = 1;
+ hdu->bzero = 0.0;
+ hdu->used.bscale = 1;
+ hdu->bscale = 1.0;
+
+ fits_add_card (hdu, "");
+ fits_add_card (hdu,
+ "HISTORY THIS FITS FILE WAS GENERATED BY FITSRW "
+ "USING PGMRAW_TO_FITS");
+
+ /* Write the header. Blocking is done automatically */
+ if (fits_write_header (fitsout, hdu) < 0)
+ goto err_return;
+
+ /* The primary array plus blocking must be written manually */
+ numbytes = width * height;
+
+ while (numbytes > 0)
+ {
+ maxbytes = sizeof (buffer);
+ if (maxbytes > numbytes)
+ maxbytes = numbytes;
+
+ if (fread (buffer, 1, maxbytes, pgmin) != maxbytes)
+ goto err_return;
+
+ if (fwrite (buffer, 1, maxbytes, fitsout->fp) != maxbytes)
+ goto err_return;
+
+ numbytes -= maxbytes;
+ }
+
+ /* Do blocking */
+ numbytes = (width * height) % FITS_RECORD_SIZE;
+ if (numbytes)
+ {
+ while (numbytes++ < FITS_RECORD_SIZE)
+ if (putc (0, fitsout->fp) == EOF)
+ goto err_return;
+ }
+
+ retval = 0;
+
+ err_return:
+
+ if (fitsout)
+ fits_close (fitsout);
+
+ if (pgmin)
+ fclose (pgmin);
+
+ return retval;
}
#endif
diff --git a/plug-ins/file-fits/fits-io.h b/plug-ins/file-fits/fits-io.h
index 3b35e20..849b251 100644
--- a/plug-ins/file-fits/fits-io.h
+++ b/plug-ins/file-fits/fits-io.h
@@ -19,9 +19,8 @@
/* #END-HDR */
/******************************************************************************/
-#ifndef FITS_MAX_AXIS
-
-#include <stdio.h>
+#ifndef __FITS_IO_H__
+#define __FITS_IO_H__
#define FITS_CARD_SIZE 80
#define FITS_RECORD_SIZE 2880
@@ -41,116 +40,144 @@ typedef long FITS_LONG;
typedef double FITS_DOUBLE;
typedef char FITS_STRING[FITS_CARD_SIZE];
-typedef enum {
- typ_bitpix8, typ_bitpix16, typ_bitpix32, typ_bitpixm32, typ_bitpixm64,
- typ_fbool, typ_flong, typ_fdouble, typ_fstring
+typedef enum
+{
+ typ_bitpix8,
+ typ_bitpix16,
+ typ_bitpix32,
+ typ_bitpixm32,
+ typ_bitpixm64,
+ typ_fbool,
+ typ_flong,
+ typ_fdouble,
+ typ_fstring
} FITS_DATA_TYPES;
/* How to transform FITS pixel values */
-typedef struct {
- double pixmin, pixmax; /* Pixel values [pixmin,pixmax] should be mapped */
- double datamin, datamax; /* to [datamin,datamax] */
- double replacement; /* datavalue to use for blank or NaN pixels */
- char dsttyp; /* Destination typ ('c' = char) */
+typedef struct
+{
+ gdouble pixmin, pixmax; /* Pixel values [pixmin,pixmax] should be mapped */
+ gdouble datamin, datamax; /* to [datamin,datamax] */
+ gdouble replacement; /* datavalue to use for blank or NaN pixels */
+ gchar dsttyp; /* Destination typ ('c' = char) */
} FITS_PIX_TRANSFORM;
-typedef union {
- FITS_BITPIX8 bitpix8;
- FITS_BITPIX16 bitpix16;
- FITS_BITPIX32 bitpix32;
- FITS_BITPIXM32 bitpixm32;
- FITS_BITPIXM64 bitpixm64;
-
- FITS_BOOL fbool;
- FITS_LONG flong;
- FITS_DOUBLE fdouble;
- FITS_STRING fstring;
+typedef union
+{
+ FITS_BITPIX8 bitpix8;
+ FITS_BITPIX16 bitpix16;
+ FITS_BITPIX32 bitpix32;
+ FITS_BITPIXM32 bitpixm32;
+ FITS_BITPIXM64 bitpixm64;
+
+ FITS_BOOL fbool;
+ FITS_LONG flong;
+ FITS_DOUBLE fdouble;
+ FITS_STRING fstring;
} FITS_DATA;
-typedef struct fits_record_list { /* Record list */
- char data[FITS_RECORD_SIZE];
- struct fits_record_list *next_record;
+typedef struct fits_record_list /* Record list */
+{
+ gchar data[FITS_RECORD_SIZE];
+ struct fits_record_list *next_record;
} FITS_RECORD_LIST;
-typedef struct fits_hdu_list { /* Header and Data Unit List */
- long header_offset; /* Offset of header in the file */
- long data_offset; /* Offset of data in the file */
- long data_size; /* Size of data in the HDU (including pad)*/
- long udata_size; /* Size of used data in the HDU (excl. pad) */
- int bpp; /* Bytes per pixel */
- int numpic; /* Number of interpretable images in HDU */
- int naddcards; /* Number of additional cards */
- char addcards[FITS_NADD_CARDS][FITS_CARD_SIZE];
- struct {
- char nan_value; /* NaN's found in data ? */
- char blank_value; /* Blanks found in data ? */
- /* Flags specifying if some cards are used */
- char blank; /* The corresponding data below is only */
- char datamin; /* valid, if the flag is set. */
- char datamax;
- char simple; /* This indicates a simple HDU */
- char xtension; /* This indicates an extension */
- char gcount;
- char pcount;
- char bzero;
- char bscale;
- char groups;
- char extend;
- } used;
- double pixmin, pixmax; /* Minimum/Maximum pixel values */
- /* Some decoded data of the HDU: */
- int naxis; /* Number of axes */
- int naxisn[FITS_MAX_AXIS]; /* Sizes of axes (NAXIS1 --> naxisn[0]) */
- int bitpix; /* Data representation (8,16,32,-16,-32) */
- /* When using the following data, */
- /* the used-flags must be checked before. */
- long blank; /* Blank value */
- double datamin, datamax; /* Minimum/Maximum physical data values */
- char xtension[FITS_CARD_SIZE]; /* Type of extension */
- long gcount, pcount; /* Used by XTENSION */
- double bzero, bscale; /* Transformation values */
- int groups; /* Random groups indicator */
- int extend; /* Extend flag */
-
- FITS_RECORD_LIST *header_record_list; /* Header records read in */
- struct fits_hdu_list *next_hdu;
+typedef struct fits_hdu_list /* Header and Data Unit List */
+{
+ glong header_offset; /* Offset of header in the file */
+ glong data_offset; /* Offset of data in the file */
+ glong data_size; /* Size of data in the HDU (including pad)*/
+ glong udata_size; /* Size of used data in the HDU (excl. pad) */
+ gint bpp; /* Bytes per pixel */
+ gint numpic; /* Number of interpretable images in HDU */
+ gint naddcards; /* Number of additional cards */
+ gchar addcards[FITS_NADD_CARDS][FITS_CARD_SIZE];
+ struct
+ {
+ gboolean nan_value; /* NaN's found in data ? */
+ gboolean blank_value; /* Blanks found in data ? */
+ /* Flags specifying if some cards are used */
+ gchar blank; /* The corresponding data below is only */
+ gchar datamin; /* valid, if the flag is set. */
+ gchar datamax;
+ gchar simple; /* This indicates a simple HDU */
+ gchar xtension; /* This indicates an extension */
+ gchar gcount;
+ gchar pcount;
+ gchar bzero;
+ gchar bscale;
+ gchar groups;
+ gchar extend;
+ } used;
+ gdouble pixmin, pixmax; /* Minimum/Maximum pixel values */
+ /* Some decoded data of the HDU: */
+ gint naxis; /* Number of axes */
+ gint naxisn[FITS_MAX_AXIS]; /* Sizes of axes (NAXIS1 --> naxisn[0]) */
+ gint bitpix; /* Data representation (8,16,32,-16,-32) */
+ /* When using the following data, */
+ /* the used-flags must be checked before. */
+ glong blank; /* Blank value */
+ gdouble datamin, datamax; /* Minimum/Maximum physical data values */
+ gchar xtension[FITS_CARD_SIZE];/* Type of extension */
+ glong gcount, pcount; /* Used by XTENSION */
+ gdouble bzero, bscale; /* Transformation values */
+ gint groups; /* Random groups indicator */
+ gint extend; /* Extend flag */
+
+ FITS_RECORD_LIST *header_record_list; /* Header records read in */
+
+ struct fits_hdu_list *next_hdu;
} FITS_HDU_LIST;
-typedef struct {
- FILE *fp; /* File pointer to fits file */
- char openmode; /* Mode the file was opened (0, 'r', 'w') */
+typedef struct
+{
+ FILE *fp; /* File pointer to fits file */
+ gchar openmode; /* Mode the file was opened (0, 'r', 'w') */
- int n_hdu; /* Number of HDUs in file */
- int n_pic; /* Total number of interpretable pictures */
- int nan_used; /* NaN's used in the file ? */
- int blank_used; /* Blank's used in the file ? */
+ gint n_hdu; /* Number of HDUs in file */
+ gint n_pic; /* Total number of interpretable pictures */
+ gboolean nan_used; /* NaN's used in the file ? */
+ gboolean blank_used; /* Blank's used in the file ? */
- FITS_HDU_LIST *hdu_list; /* Header and Data Unit List */
+ FITS_HDU_LIST *hdu_list; /* Header and Data Unit List */
} FITS_FILE;
/* User callable functions of the FITS-library */
-FITS_FILE *fits_open (const char *filename, const char *openmode);
-void fits_close (FITS_FILE *ff);
-FITS_HDU_LIST *fits_add_hdu (FITS_FILE *ff);
-int fits_add_card (FITS_HDU_LIST *hdulist, const char *card);
-int fits_write_header (FITS_FILE *ff, FITS_HDU_LIST *hdulist);
-FITS_HDU_LIST *fits_image_info (FITS_FILE *ff, int picind, int *hdupicind);
-FITS_HDU_LIST *fits_seek_image (FITS_FILE *ff, int picind);
-void fits_print_header (FITS_HDU_LIST *hdr);
-FITS_DATA *fits_decode_card (const char *card, FITS_DATA_TYPES data_type);
-char *fits_search_card (FITS_RECORD_LIST *rl, char *keyword);
-int fits_read_pixel (FITS_FILE *ff, FITS_HDU_LIST *hdulist,
- int npix, FITS_PIX_TRANSFORM *trans, void *buf);
-
-char *fits_get_error (void);
+FITS_FILE * fits_open (const gchar *filename,
+ const gchar *openmode);
+void fits_close (FITS_FILE *ff);
+FITS_HDU_LIST * fits_add_hdu (FITS_FILE *ff);
+gint fits_add_card (FITS_HDU_LIST *hdulist,
+ const gchar *card);
+gint fits_write_header (FITS_FILE *ff,
+ FITS_HDU_LIST *hdulist);
+FITS_HDU_LIST * fits_image_info (FITS_FILE *ff,
+ gint picind,
+ gint *hdupicind);
+FITS_HDU_LIST * fits_seek_image (FITS_FILE *ff,
+ gint picind);
+void fits_print_header (FITS_HDU_LIST *hdr);
+FITS_DATA * fits_decode_card (const gchar *card,
+ FITS_DATA_TYPES data_type);
+gchar * fits_search_card (FITS_RECORD_LIST *rl,
+ gchar *keyword);
+gint fits_read_pixel (FITS_FILE *ff,
+ FITS_HDU_LIST *hdulist,
+ gint npix,
+ FITS_PIX_TRANSFORM *trans,
+ void *buf);
+
+gchar * fits_get_error (void);
/* Demo functions */
#define FITS_NO_DEMO
-int fits_to_pgmraw (char *fitsfile, char *pgmfile);
-int pgmraw_to_fits (char *pgmfile, char *fitsfile);
+gint fits_to_pgmraw (gchar *fitsfile,
+ gchar *pgmfile);
+gint pgmraw_to_fits (gchar *pgmfile,
+ gchar *fitsfile);
-#endif
+#endif /* __FITS_IO_H__ */
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]
