- /*
- * XXX: Should be fixed and removed, see the
- * notes related to TIFFTAG_PAGENUMBER,
- * TIFFTAG_HALFTONEHINTS,
- * TIFFTAG_YCBCRSUBSAMPLING and
- * TIFFTAG_DOTRANGE tags in tif_dir.c. */
- char *tmp;
- raw_data = _TIFFmalloc(
- _TIFFDataSize(fip->field_type)
- * value_count);
- tmp = raw_data;
- mem_alloc = 1;
- if(TIFFGetField(tif, tag, tmp,
- tmp + _TIFFDataSize(fip->field_type)) != 1) {
- _TIFFfree(raw_data);
- continue;
+ if (fip->field_readcount == TIFF_VARIABLE
+ || fip->field_readcount == TIFF_VARIABLE2)
+ value_count = 1;
+ else if (fip->field_readcount == TIFF_SPP)
+ value_count = td->td_samplesperpixel;
+ else
+ value_count = fip->field_readcount;
+ if (fip->field_tag == TIFFTAG_DOTRANGE
+ && strcmp(fip->field_name,"DotRange") == 0) {
+ /* TODO: This is an evil exception and should not have been
+ handled this way ... likely best if we move it into
+ the directory structure with an explicit field in
+ libtiff 4.1 and assign it a FIELD_ value */
+ static uint16 dotrange[2];
+ raw_data = dotrange;
+ TIFFGetField(tif, tag, dotrange+0, dotrange+1);
+ } else if (fip->field_type == TIFF_ASCII
+ || fip->field_readcount == TIFF_VARIABLE
+ || fip->field_readcount == TIFF_VARIABLE2
+ || fip->field_readcount == TIFF_SPP
+ || value_count > 1) {
+ if(TIFFGetField(tif, tag, &raw_data) != 1)
+ continue;
+ } else {
+ raw_data = _TIFFmalloc(
+ _TIFFDataSize(fip->field_type)
+ * value_count);
+ mem_alloc = 1;
+ if(TIFFGetField(tif, tag, raw_data) != 1) {
+ _TIFFfree(raw_data);
+ continue;
+ }