diff options
Diffstat (limited to 'psi/zchar42.c')
| -rw-r--r-- | psi/zchar42.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/psi/zchar42.c b/psi/zchar42.c index cb635827..5e4cf4d5 100644 --- a/psi/zchar42.c +++ b/psi/zchar42.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2020 Artifex Software, Inc. +/* Copyright (C) 2001-2021 Artifex Software, Inc. All Rights Reserved. This software is provided AS-IS with no warranty, either express or @@ -144,10 +144,18 @@ zchar42_set_cache(i_ctx_t *i_ctx_p, gs_font_base *pbfont, ref *cnref, which stretch subglyphs. Uniting with FontBBox helps. In same time, FontBBox with no glyph bbox doesn't work for 34_all.PS page 4. */ - bbox.p.x = min(sbw_bbox[4], pbfont->FontBBox.p.y); - bbox.p.y = min(sbw_bbox[5], pbfont->FontBBox.p.y); - bbox.q.x = max(sbw_bbox[6], pbfont->FontBBox.q.x); - bbox.q.y = max(sbw_bbox[7], pbfont->FontBBox.q.y); + /* Previously we used to expand the bbox to the maximum/minimum + * of the glyph and font bounding boxes combined, as noted above. + * However this causes incorrect output (bug #703697) for vertical + * writing fonts with pdfwrite. Since we no longer use this code + * for rendering, and pdfwrite doesn't use the metrics for clipping, + * but does for positioning, we've removed this code. + */ + + bbox.p.x = sbw_bbox[4]; + bbox.p.y = sbw_bbox[5]; + bbox.q.x = sbw_bbox[6]; + bbox.q.y = sbw_bbox[7]; return zchar_set_cache(i_ctx_p, pbfont, cnref, NULL, w, &bbox, |