diff options
| -rw-r--r-- | stream/filt_jbig2d.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/stream/filt_jbig2d.c b/stream/filt_jbig2d.c index 17abecd4..9f877d37 100644 --- a/stream/filt_jbig2d.c +++ b/stream/filt_jbig2d.c @@ -94,8 +94,12 @@ fz_processjbig2d(fz_filter *filter, fz_buffer *in, fz_buffer *out) len = d->page->height * d->page->stride - d->idx; /* XXX memcpy(out->wp, d->page->data + d->idx, len); */ - for (i = 0; i < len; i++) - out->wp[i] = ~ d->page->data[d->idx + i]; + { + unsigned char * restrict in = &d->page->data[d->idx]; + unsigned char * restrict o = out->wp; + for (i = 0; i < len; i++) + *o++ = 0xff ^ *in++; + } out->wp += len; d->idx += len; |