mirrors/freetype
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

* src/truetype/ttobjs.c (tt_size_run_prep): Reset more GS variables.

Browse Source 
BTW, Greg agrees that the OpenType specification is missing the list
of GS variables which will always be reset to the default values
after the `prep' table has been executed.
This commit is contained in:
Werner Lemberg 2013-02-07 19:49:12 +01:00
parent bfcc375b06
commit a2c7eb1888
2 changed files with 24 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
ChangeLog
View File

@ -1,3 +1,11 @@
2013-02-07 Werner Lemberg <wl@gnu.org>
* src/truetype/ttobjs.c (tt_size_run_prep): Reset more GS variables.
BTW, Greg agrees that the OpenType specification is missing the list
of GS variables which will always be reset to the default values
after the `prep' table has been executed.
2013-02-06 Werner Lemberg <wl@gnu.org>
* src/truetype/ttobjs.c (tt_size_run_prep): Reset reference points.

17
src/truetype/ttobjs.c
View File

@ -878,11 +878,26 @@
else
error = TT_Err_Ok;
/* UNDOCUMENTED! Reference points are reset to zero. */
/* UNDOCUMENTED! The MS rasterizer doesn't allow the following */
/* graphics state variables to be modified by the CVT program. */
exec->GS.dualVector.x = 0x4000;
exec->GS.dualVector.y = 0;
exec->GS.projVector.x = 0x4000;
exec->GS.projVector.y = 0x0;
exec->GS.freeVector.x = 0x4000;
exec->GS.freeVector.y = 0x0;
exec->GS.rp0 = 0;
exec->GS.rp1 = 0;
exec->GS.rp2 = 0;
exec->GS.gep0 = 1;
exec->GS.gep1 = 1;
exec->GS.gep2 = 1;
exec->GS.loop = 1;
/* save as default graphics state */
size->GS = exec->GS;