static gboolean
gdk_pixbuf__tiff_image_stop_load (gpointer data,
GError **error)
{
TiffContext *context = data;
TIFF *tiff;
gboolean retval;
g_return_val_if_fail (data != NULL, FALSE);
tiff_push_handlers ();
tiff = TIFFClientOpen ("libtiff-pixbuf", "r", data,
tiff_load_read, tiff_load_write,
tiff_load_seek, tiff_load_close,
tiff_load_size,
tiff_load_map_file, tiff_load_unmap_file);
if (!tiff || global_error) {
tiff_set_error (error,
GDK_PIXBUF_ERROR_FAILED,
_("Failed to load TIFF image"));
retval = FALSE;
} else {
GdkPixbuf *pixbuf;
pixbuf = tiff_image_parse (tiff, context, error);
if (pixbuf)
g_object_unref (pixbuf);
retval = pixbuf != NULL;
if (global_error)
{
tiff_set_error (error,
GDK_PIXBUF_ERROR_FAILED,
_("Failed to load TIFF image"));
tiff_pop_handlers ();
retval = FALSE;
}
}
if (tiff)
TIFFClose (tiff);
g_assert (!global_error);
g_free (context->buffer);
g_free (context);
tiff_pop_handlers ();
return retval;
}
static GdkPixbuf *
gdk_pixbuf__tiff_image_load (FILE *f, GError **error)
{
TIFF *tiff;
int fd;
GdkPixbuf *pixbuf;
g_return_val_if_fail (f != NULL, NULL);
tiff_push_handlers ();
fd = fileno (f);
/* On OSF, apparently fseek() works in some on-demand way, so
* the fseek gdk_pixbuf_new_from_file() doesn't work here
* since we are using the raw file descriptor. So, we call lseek() on the fd
* before using it. (#60840)
*/
lseek (fd, 0, SEEK_SET);
tiff = TIFFFdOpen (fd, "libpixbuf-tiff", "r");
if (!tiff || global_error) {
tiff_set_error (error,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
_("Failed to open TIFF image"));
tiff_pop_handlers ();
return NULL;
}
pixbuf = tiff_image_parse (tiff, NULL, error);
TIFFClose (tiff);
if (global_error) {
tiff_set_error (error,
GDK_PIXBUF_ERROR_FAILED,
_("TIFFClose operation failed"));
}
tiff_pop_handlers ();
return pixbuf;
}
