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* src/truetype/ttgxvar.c (ft_var_get_item_delta): Fixed logic. 

Reported and tested by Behdad.
This commit is contained in:
Alexei Podtelezhnikov 2018-11-02 20:42:25 -04:00
parent 339c451ad0
commit 61d50756b6
2 changed files with 10 additions and 6 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2018-11-02 Alexei Podtelezhnikov <apodtele@gmail.com>
* src/truetype/ttgxvar.c (ft_var_get_item_delta): Fixed logic.
Reported and tested by Behdad.
2018-11-02 Shailesh Mistry <shailesh.mistry@hotmail.co.uk>
[autofit] Prevent SEGV.

10
src/truetype/ttgxvar.c
View File

@ -68,8 +68,6 @@
/* some macros we need */
#define FT_FIXED_ONE ( (FT_Fixed)0x10000 )
#define FT_fdot14ToFixed( x ) \
( (FT_Fixed)( (FT_ULong)(x) << 2 ) )
#define FT_intToFixed( i ) \
@ -884,7 +882,7 @@
/* outer loop steps through master designs to be blended */
for ( master = 0; master < varData->regionIdxCount; master++ )
{
FT_Fixed scalar = FT_FIXED_ONE;
FT_Fixed scalar = 0x10000L;
FT_UInt regionIndex = varData->regionIndices[master];
GX_AxisCoords axis = itemStore->varRegionList[regionIndex].axisList;
@ -908,6 +906,9 @@
else if ( axis->peakCoord == 0 )
continue;
else if ( face->blend->normalizedcoords[j] == axis->peakCoord )
continue;
/* ignore this region if coords are out of range */
else if ( face->blend->normalizedcoords[j] <= axis->startCoord ||
face->blend->normalizedcoords[j] >= axis->endCoord )
@ -916,9 +917,6 @@
break;
}
else if ( face->blend->normalizedcoords[j] == axis->peakCoord )
continue;
/* cumulative product of all the axis scalars */
else if ( face->blend->normalizedcoords[j] < axis->peakCoord )
scalar =