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freetype2
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Code Issues 4 Releases Wiki Activity

[truetype] Reduce allocation scope. 

* src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Reduce scope
of `points_org` and 'points_out`.
This commit is contained in:
Alexei Podtelezhnikov 2024-05-22 23:38:34 -04:00
parent a498873652
commit 9ff4153cbf
1 changed files with 20 additions and 25 deletions
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45
src/truetype/ttgxvar.c
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@ -4079,10 +4079,6 @@
FT_UInt glyph_index = loader->glyph_index;
FT_UInt n_points = (FT_UInt)outline->n_points + 4;
FT_Vector* points_org = NULL; /* coordinates in 16.16 format */
FT_Vector* points_out = NULL; /* coordinates in 16.16 format */
FT_Bool* has_delta = NULL;
FT_ULong glyph_start;
FT_UInt tupleCount;
@ -4129,17 +4125,12 @@
return FT_Err_Ok;
}
if ( FT_NEW_ARRAY( points_org, n_points ) ||
FT_NEW_ARRAY( points_out, n_points ) ||
FT_NEW_ARRAY( has_delta, n_points ) )
goto Fail1;
dataSize = blend->glyphoffsets[glyph_index + 1] -
blend->glyphoffsets[glyph_index];
if ( FT_STREAM_SEEK( blend->glyphoffsets[glyph_index] ) ||
FT_FRAME_ENTER( dataSize ) )
goto Fail1;
return error;
glyph_start = FT_Stream_FTell( stream );
@ -4189,12 +4180,6 @@
FT_NEW_ARRAY( point_deltas_y, n_points ) )
goto Fail3;
for ( j = 0; j < n_points; j++ )
{
points_org[j].x = FT_intToFixed( outline->points[j].x );
points_org[j].y = FT_intToFixed( outline->points[j].y );
}
for ( i = 0; i < ( tupleCount & GX_TC_TUPLE_COUNT_MASK ); i++ )
{
FT_UInt tupleDataSize;
@ -4324,19 +4309,30 @@
else
{
FT_Vector* points_org = NULL; /* coordinates in 16.16 format */
FT_Vector* points_out = NULL; /* coordinates in 16.16 format */
FT_Bool* has_delta = NULL;
#ifdef FT_DEBUG_LEVEL_TRACE
int count = 0;
#endif
/* we have to interpolate the missing deltas similar to the */
/* IUP bytecode instruction */
/* note that `has_delta` is set to FALSE, zeroed out */
if ( FT_QNEW_ARRAY( points_org, n_points ) ||
FT_QNEW_ARRAY( points_out, n_points ) ||
FT_NEW_ARRAY( has_delta, n_points ) )
goto Fail4;
for ( j = 0; j < n_points; j++ )
{
has_delta[j] = FALSE;
points_out[j] = points_org[j];
points_org[j].x = FT_intToFixed( outline->points[j].x );
points_org[j].y = FT_intToFixed( outline->points[j].y );
}
FT_ARRAY_COPY( points_out, points_org, n_points );
/* we have to interpolate the missing deltas similar to the */
/* IUP bytecode instruction */
for ( j = 0; j < point_count; j++ )
{
FT_UShort idx = points[j];
@ -4394,6 +4390,10 @@
if ( !count )
FT_TRACE7(( " none\n" ));
#endif
Fail4:
FT_FREE( points_org );
FT_FREE( points_out );
FT_FREE( has_delta );
}
if ( localpoints != ALL_POINTS )
@ -4466,11 +4466,6 @@
FT_FRAME_EXIT();
Fail1:
FT_FREE( points_org );
FT_FREE( points_out );
FT_FREE( has_delta );
return error;
}