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Diffstat (limited to 'freetype/src/truetype/ttgxvar.c')
-rw-r--r--freetype/src/truetype/ttgxvar.c59
1 files changed, 19 insertions, 40 deletions
diff --git a/freetype/src/truetype/ttgxvar.c b/freetype/src/truetype/ttgxvar.c
index 69b702f62..4edcb07ab 100644
--- a/freetype/src/truetype/ttgxvar.c
+++ b/freetype/src/truetype/ttgxvar.c
@@ -4,7 +4,7 @@
/* */
/* TrueType GX Font Variation loader */
/* */
-/* Copyright 2004-2011 by */
+/* Copyright 2004-2012 by */
/* David Turner, Robert Wilhelm, Werner Lemberg, and George Williams. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -91,7 +91,7 @@
/* indicates that there is a delta for every point without needing to */
/* enumerate all of them. */
/* */
-#define ALL_POINTS (FT_UShort*)( -1 )
+#define ALL_POINTS (FT_UShort*)( ~0 )
#define GX_PT_POINTS_ARE_WORDS 0x80
@@ -501,11 +501,9 @@
FT_Fixed* im_end_coords )
{
FT_UInt i;
- FT_Fixed apply;
- FT_Fixed temp;
+ FT_Fixed apply = 0x10000L;
- apply = 0x10000L;
for ( i = 0; i < blend->num_axis; ++i )
{
if ( tuple_coords[i] == 0 )
@@ -525,11 +523,10 @@
else if ( !( tupleIndex & GX_TI_INTERMEDIATE_TUPLE ) )
/* not an intermediate tuple */
- apply = FT_MulDiv( apply,
+ apply = FT_MulFix( apply,
blend->normalizedcoords[i] > 0
? blend->normalizedcoords[i]
- : -blend->normalizedcoords[i],
- 0x10000L );
+ : -blend->normalizedcoords[i] );
else if ( blend->normalizedcoords[i] <= im_start_coords[i] ||
blend->normalizedcoords[i] >= im_end_coords[i] )
@@ -539,20 +536,14 @@
}
else if ( blend->normalizedcoords[i] < tuple_coords[i] )
- {
- temp = FT_MulDiv( blend->normalizedcoords[i] - im_start_coords[i],
- 0x10000L,
- tuple_coords[i] - im_start_coords[i]);
- apply = FT_MulDiv( apply, temp, 0x10000L );
- }
+ apply = FT_MulDiv( apply,
+ blend->normalizedcoords[i] - im_start_coords[i],
+ tuple_coords[i] - im_start_coords[i] );
else
- {
- temp = FT_MulDiv( im_end_coords[i] - blend->normalizedcoords[i],
- 0x10000L,
- im_end_coords[i] - tuple_coords[i] );
- apply = FT_MulDiv( apply, temp, 0x10000L );
- }
+ apply = FT_MulDiv( apply,
+ im_end_coords[i] - blend->normalizedcoords[i],
+ im_end_coords[i] - tuple_coords[i] );
}
return apply;
@@ -712,7 +703,7 @@
mmvar->num_axis =
fvar_head.axisCount;
mmvar->num_designs =
- (FT_UInt)-1; /* meaningless in this context; each glyph */
+ ~0; /* meaningless in this context; each glyph */
/* may have a different number of designs */
/* (or tuples, as called by Apple) */
mmvar->num_namedstyles =
@@ -1034,19 +1025,11 @@
}
if ( coords[i] < a->def )
- {
- normalized[i] = -FT_MulDiv( coords[i] - a->def,
- 0x10000L,
- a->minimum - a->def );
- }
+ normalized[i] = -FT_DivFix( coords[i] - a->def, a->minimum - a->def );
else if ( a->maximum == a->def )
normalized[i] = 0;
else
- {
- normalized[i] = FT_MulDiv( coords[i] - a->def,
- 0x10000L,
- a->maximum - a->def );
- }
+ normalized[i] = FT_DivFix( coords[i] - a->def, a->maximum - a->def );
}
if ( !blend->avar_checked )
@@ -1061,15 +1044,11 @@
if ( normalized[i] < av->correspondence[j].fromCoord )
{
normalized[i] =
- FT_MulDiv(
- FT_MulDiv(
- normalized[i] - av->correspondence[j - 1].fromCoord,
- 0x10000L,
- av->correspondence[j].fromCoord -
- av->correspondence[j - 1].fromCoord ),
- av->correspondence[j].toCoord -
- av->correspondence[j - 1].toCoord,
- 0x10000L ) +
+ FT_MulDiv( normalized[i] - av->correspondence[j - 1].fromCoord,
+ av->correspondence[j].toCoord -
+ av->correspondence[j - 1].toCoord,
+ av->correspondence[j].fromCoord -
+ av->correspondence[j - 1].fromCoord ) +
av->correspondence[j - 1].toCoord;
break;
}