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fixed bug #6330 

--Sven
This commit is contained in:
Sven Neumann 2000-02-19 19:36:10 +00:00
parent 254099d0df
commit 51d9de4559
2 changed files with 45 additions and 17 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Sat Feb 19 20:34:43 CET 2000 Sven Neumann <sven@gimp.org>
* plug-ins/common/pnm.c: Load files in the pbm ascii format even
if they do not use whitespace in the bits section (which is
perfectly OK according to the pbm manpage). Fixes bug #6330.
Sat Feb 19 17:27:07 CET 2000 Sven Neumann <sven@gimp.org>
* app/interface.c: Use geometry hints (minimum size and size

56
plug-ins/common/pnm.c
View File

@ -157,6 +157,8 @@ static void pnmscanner_eatwhitespace (PNMScanner *s);
static void pnmscanner_gettoken (PNMScanner *s,
gchar *buf,
gint bufsize);
static void pnmscanner_getsmalltoken (PNMScanner *s,
gchar *buf);
static PNMScanner * pnmscanner_create (gint fd);
@ -167,7 +169,7 @@ static PNMScanner * pnmscanner_create (gint fd);
/* Checks for a fatal error */
#define CHECK_FOR_ERROR(predicate, jmpbuf, errmsg) \
if ((predicate)) \
{ /*gimp_message((errmsg));*/ longjmp((jmpbuf),1); }
{ g_message ((errmsg)); longjmp((jmpbuf),1); }
static struct struct_pnm_types
{
@ -401,14 +403,14 @@ static gint32
load_image (gchar *filename)
{
GPixelRgn pixel_rgn;
gint32 image_ID;
gint32 volatile image_ID = -1;
gint32 layer_ID;
GDrawable *drawable;
int fd; /* File descriptor */
char *temp;
char buf[BUFLEN]; /* buffer for random things like scanning */
PNMInfo *pnminfo;
PNMScanner *scan;
PNMScanner * volatile scan;
int ctr;
temp = g_strdup_printf (_("Loading %s:"), filename);
@ -420,7 +422,7 @@ load_image (gchar *filename)
if (fd == -1)
{
/*gimp_message("pnm filter: can't open file\n");*/
g_message (_("PNM: Can't open file %s."), filename);
return -1;
}
@ -436,6 +438,8 @@ load_image (gchar *filename)
pnmscanner_destroy (scan);
close (fd);
g_free (pnminfo);
if (image_ID != -1)
gimp_image_delete (image_ID);
return -1;
}
@ -445,9 +449,9 @@ load_image (gchar *filename)
/* Get magic number */
pnmscanner_gettoken (scan, buf, BUFLEN);
CHECK_FOR_ERROR(pnmscanner_eof(scan), pnminfo->jmpbuf,
"pnm filter: premature end of file\n");
_("PNM: Premature end of file."));
CHECK_FOR_ERROR((buf[0] != 'P' || buf[2]), pnminfo->jmpbuf,
"pnm filter: %s is not a valid file\n");
_("PNM: %s is not a valid file."));
/* Look up magic number to see what type of PNM this is */
for (ctr=0; pnm_types[ctr].name; ctr++)
@ -460,35 +464,35 @@ load_image (gchar *filename)
}
if (!pnminfo->loader)
{
/*gimp_message("pnm filter: file not in a supported format\n");*/
g_message (_("PNM: File not in a supported format."));
longjmp(pnminfo->jmpbuf,1);
}
pnmscanner_gettoken(scan, buf, BUFLEN);
CHECK_FOR_ERROR(pnmscanner_eof(scan), pnminfo->jmpbuf,
"pnm filter: premature end of file\n");
_("PNM: Premature end of file."));
pnminfo->xres = isdigit(*buf)?atoi(buf):0;
CHECK_FOR_ERROR(pnminfo->xres<=0, pnminfo->jmpbuf,
"pnm filter: invalid xres while loading\n");
_("PNM: Invalid X resolution."));
pnmscanner_gettoken(scan, buf, BUFLEN);
CHECK_FOR_ERROR(pnmscanner_eof(scan), pnminfo->jmpbuf,
"pnm filter: premature end of file\n");
_("PNM: Premature end of file."));
pnminfo->yres = isdigit(*buf)?atoi(buf):0;
CHECK_FOR_ERROR(pnminfo->yres<=0, pnminfo->jmpbuf,
"pnm filter: invalid yres while loading\n");
_("PNM: Invalid Y resolution."));
if (pnminfo->np != 0) /* pbm's don't have a maxval field */
{
pnmscanner_gettoken(scan, buf, BUFLEN);
CHECK_FOR_ERROR(pnmscanner_eof(scan), pnminfo->jmpbuf,
"pnm filter: premature end of file\n");
_("PNM: Premature end of file."));
pnminfo->maxval = isdigit(*buf)?atoi(buf):0;
CHECK_FOR_ERROR(((pnminfo->maxval<=0)
|| (pnminfo->maxval>255 && !pnminfo->asciibody)),
pnminfo->jmpbuf,
"pnm filter: invalid maxval while loading\n");
_("PNM: Invalid maximum value."));
}
/* Create a new image of the proper size and associate the filename with it.
@ -557,8 +561,11 @@ pnm_load_ascii (PNMScanner *scan,
{
/* Truncated files will just have all 0's at the end of the images */
CHECK_FOR_ERROR(pnmscanner_eof(scan), info->jmpbuf,
"pnm filter: premature end of file\n");
pnmscanner_gettoken(scan, buf, BUFLEN);
_("PNM: Premature end of file."));
if (info->np)
pnmscanner_gettoken(scan, buf, BUFLEN);
else
pnmscanner_getsmalltoken(scan, buf);
switch (info->maxval)
{
case 255:
@ -610,7 +617,7 @@ pnm_load_raw (PNMScanner *scan,
CHECK_FOR_ERROR((info->xres*info->np
!= read(fd, d, info->xres*info->np)),
info->jmpbuf,
"pnm filter: premature end of file\n");
_("PNM: Premature end of file."));
if (info->maxval != 255) /* Normalize if needed */
{
@ -658,7 +665,7 @@ pnm_load_rawpbm (PNMScanner *scan,
for (i = 0; i < scanlines; i++)
{
CHECK_FOR_ERROR((rowlen != read(fd, buf, rowlen)),
info->jmpbuf, "pnm filter: error reading file\n");
info->jmpbuf, _("PNM: Error reading file."));
bufpos = 0;
curbyte = buf[0];
@ -1042,6 +1049,21 @@ pnmscanner_gettoken (PNMScanner *s,
buf[ctr] = '\0';
}
/* pnmscanner_getsmalltoken ---
* Gets the next char, eating any leading whitespace.
*/
static void
pnmscanner_getsmalltoken (PNMScanner *s,
gchar *buf)
{
pnmscanner_eatwhitespace(s);
if (!(s->eof) && !isspace(s->cur) && (s->cur != '#'))
{
*buf = s->cur;
pnmscanner_getchar(s);
}
}
/* pnmscanner_getchar ---
* Reads a character from the input stream
*/