fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-05-08 16:08:20 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

type1: fallback if the font matrix is not a uniform scale

Browse source 
https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1790242
This commit is contained in:
Adrian Johnson 2018-10-21 13:36:46 +10:30
parent ec70bde74a
commit 717f0e0a40
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/cairo-type1-subset.c
View file

@ -388,6 +388,11 @@ cairo_type1_font_subset_get_bbox (cairo_type1_font_subset_t *font)
/* Freetype uses 1/yy to get units per EM */
font->base.units_per_em = 1.0/yy;
/* If the FontMatrix is not a uniform scale the metrics we extract
* from the font won't match what FreeType returns */
if (xx != yy || yx != 0.0 || xy != 0.0)
return CAIRO_INT_STATUS_UNSUPPORTED;
font->base.x_min = x_min / font->base.units_per_em;
font->base.y_min = y_min / font->base.units_per_em;
font->base.x_max = x_max / font->base.units_per_em;