+ if sbuf.get_info().get_format().is_paletted() {
+ let same = sbuf.get_stride(0) == dbuf.get_stride(0) && sbuf.get_offset(1) == dbuf.get_offset(1);
+ if same {
+ let src = sbuf.get_data();
+ let dst = dbuf.get_data_mut().unwrap();
+ dst.copy_from_slice(src);
+ } else {
+ let (_, h) = sbuf.get_dimensions(0);
+ let soff = sbuf.get_offset(0);
+ let spoff = sbuf.get_offset(1);
+ let sstride = sbuf.get_stride(0);
+ let src = sbuf.get_data();
+ let doff = dbuf.get_offset(0);
+ let dpoff = dbuf.get_offset(1);
+ let dstride = dbuf.get_stride(0);
+ let dst = dbuf.get_data_mut().unwrap();
+ let copy_size = sstride.min(dstride);
+ for (dline, sline) in dst[doff..].chunks_exact_mut(dstride).take(h).zip(src[soff..].chunks_exact(sstride)) {
+ dline[..copy_size].copy_from_slice(&sline[..copy_size]);
+ }
+ dst[dpoff..].copy_from_slice(&src[spoff..]);
+ }
+ return;
+ }