Commit 3a85bf0b3f1da3b902b8f7643a309c64ebe019ad
2023-05-07T06:43:21
* src/truetype/*: Clean up interface. Ensure that all driver functions use the signature of the service or driver. This avoids pointer mismatches, which are technically undefined behaviour. Recent compilers are more picky in catching them as part of Control Flow Integrity tests.
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diff --git a/src/truetype/ttdriver.c b/src/truetype/ttdriver.c
index 8bde30f..ffebcc7 100644
--- a/src/truetype/ttdriver.c
+++ b/src/truetype/ttdriver.c
@@ -57,7 +57,7 @@
* PROPERTY SERVICE
*
*/
- static FT_Error
+ FT_CALLBACK_DEF( FT_Error )
tt_property_set( FT_Module module, /* TT_Driver */
const char* property_name,
const void* value,
@@ -124,10 +124,10 @@
}
- static FT_Error
+ FT_CALLBACK_DEF( FT_Error )
tt_property_get( FT_Module module, /* TT_Driver */
const char* property_name,
- const void* value )
+ void* value )
{
FT_Error error = FT_Err_Ok;
TT_Driver driver = (TT_Driver)module;
@@ -208,35 +208,35 @@
*
* They can be implemented by format-specific interfaces.
*/
- static FT_Error
- tt_get_kerning( FT_Face ttface, /* TT_Face */
+ FT_CALLBACK_DEF( FT_Error )
+ tt_get_kerning( FT_Face face, /* TT_Face */
FT_UInt left_glyph,
FT_UInt right_glyph,
FT_Vector* kerning )
{
- TT_Face face = (TT_Face)ttface;
- SFNT_Service sfnt = (SFNT_Service)face->sfnt;
+ TT_Face ttface = (TT_Face)face;
+ SFNT_Service sfnt = (SFNT_Service)ttface->sfnt;
kerning->x = 0;
kerning->y = 0;
if ( sfnt )
- kerning->x = sfnt->get_kerning( face, left_glyph, right_glyph );
+ kerning->x = sfnt->get_kerning( ttface, left_glyph, right_glyph );
return 0;
}
- static FT_Error
- tt_get_advances( FT_Face ttface,
+ FT_CALLBACK_DEF( FT_Error )
+ tt_get_advances( FT_Face face, /* TT_Face */
FT_UInt start,
FT_UInt count,
FT_Int32 flags,
FT_Fixed *advances )
{
FT_UInt nn;
- TT_Face face = (TT_Face)ttface;
+ TT_Face ttface = (TT_Face)face;
/* XXX: TODO: check for sbits */
@@ -245,8 +245,8 @@
{
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
/* no fast retrieval for blended MM fonts without VVAR table */
- if ( ( FT_IS_NAMED_INSTANCE( ttface ) || FT_IS_VARIATION( ttface ) ) &&
- !( face->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) )
+ if ( ( FT_IS_NAMED_INSTANCE( face ) || FT_IS_VARIATION( face ) ) &&
+ !( ttface->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) )
return FT_THROW( Unimplemented_Feature );
#endif
@@ -257,7 +257,7 @@
/* since we don't need `tsb', we use zero for `yMax' parameter */
- TT_Get_VMetrics( face, start + nn, 0, &tsb, &ah );
+ TT_Get_VMetrics( ttface, start + nn, 0, &tsb, &ah );
advances[nn] = ah;
}
}
@@ -265,8 +265,8 @@
{
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
/* no fast retrieval for blended MM fonts without HVAR table */
- if ( ( FT_IS_NAMED_INSTANCE( ttface ) || FT_IS_VARIATION( ttface ) ) &&
- !( face->variation_support & TT_FACE_FLAG_VAR_HADVANCE ) )
+ if ( ( FT_IS_NAMED_INSTANCE( face ) || FT_IS_VARIATION( face ) ) &&
+ !( ttface->variation_support & TT_FACE_FLAG_VAR_HADVANCE ) )
return FT_THROW( Unimplemented_Feature );
#endif
@@ -276,7 +276,7 @@
FT_UShort aw;
- TT_Get_HMetrics( face, start + nn, &lsb, &aw );
+ TT_Get_HMetrics( ttface, start + nn, &lsb, &aw );
advances[nn] = aw;
}
}
@@ -300,7 +300,7 @@
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
- static FT_Error
+ FT_CALLBACK_DEF( FT_Error )
tt_size_select( FT_Size size,
FT_ULong strike_index )
{
@@ -337,7 +337,7 @@
#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
- static FT_Error
+ FT_CALLBACK_DEF( FT_Error )
tt_size_request( FT_Size size,
FT_Size_Request req )
{
@@ -436,15 +436,15 @@
* @Return:
* FreeType error code. 0 means success.
*/
- static FT_Error
- tt_glyph_load( FT_GlyphSlot ttslot, /* TT_GlyphSlot */
- FT_Size ttsize, /* TT_Size */
+ FT_CALLBACK_DEF( FT_Error )
+ tt_glyph_load( FT_GlyphSlot slot, /* TT_GlyphSlot */
+ FT_Size size, /* TT_Size */
FT_UInt glyph_index,
FT_Int32 load_flags )
{
- TT_GlyphSlot slot = (TT_GlyphSlot)ttslot;
- TT_Size size = (TT_Size)ttsize;
- FT_Face face = ttslot->face;
+ TT_GlyphSlot ttslot = (TT_GlyphSlot)slot;
+ TT_Size ttsize = (TT_Size)size;
+ FT_Face face = ttslot->face;
FT_Error error;
@@ -486,12 +486,12 @@
}
/* use hinted metrics only if we load a glyph with hinting */
- size->metrics = ( load_flags & FT_LOAD_NO_HINTING )
- ? &ttsize->metrics
- : &size->hinted_metrics;
+ ttsize->metrics = ( load_flags & FT_LOAD_NO_HINTING )
+ ? &size->metrics
+ : &ttsize->hinted_metrics;
/* now fill in the glyph slot with outline/bitmap/layered */
- error = TT_Load_Glyph( size, slot, glyph_index, load_flags );
+ error = TT_Load_Glyph( ttsize, ttslot, glyph_index, load_flags );
/* force drop-out mode to 2 - irrelevant now */
/* slot->outline.dropout_mode = 2; */
diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
index 534026a..b56db17 100644
--- a/src/truetype/ttgload.c
+++ b/src/truetype/ttgload.c
@@ -1612,8 +1612,14 @@
else
#endif /* FT_CONFIG_OPTION_INCREMENTAL */
+ {
+ FT_ULong len;
+
- offset = tt_face_get_location( face, glyph_index, &loader->byte_len );
+ offset = tt_face_get_location( FT_FACE( face ), glyph_index, &len );
+
+ loader->byte_len = (FT_UInt)len;
+ }
if ( loader->byte_len > 0 )
{
diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
index 249ef31..04caff7 100644
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@@ -466,7 +466,7 @@
if ( store_offset )
{
error = tt_var_load_item_variation_store(
- face,
+ FT_FACE( face ),
table_offset + store_offset,
&table->itemStore );
if ( error )
@@ -476,7 +476,7 @@
if ( axisMap_offset )
{
error = tt_var_load_delta_set_index_mapping(
- face,
+ FT_FACE( face ),
table_offset + axisMap_offset,
&table->axisMap,
&table->itemStore,
@@ -493,10 +493,11 @@
FT_LOCAL_DEF( FT_Error )
- tt_var_load_item_variation_store( TT_Face face,
+ tt_var_load_item_variation_store( FT_Face face, /* TT_Face */
FT_ULong offset,
GX_ItemVarStore itemStore )
{
+ TT_Face ttface = (TT_Face)face;
FT_Stream stream = FT_FACE_STREAM( face );
FT_Memory memory = stream->memory;
@@ -511,7 +512,7 @@
FT_UInt i, j, k;
FT_Bool long_words;
- GX_Blend blend = face->blend;
+ GX_Blend blend = ttface->blend;
FT_ULong* dataOffsetArray = NULL;
@@ -715,7 +716,7 @@
FT_LOCAL_DEF( FT_Error )
- tt_var_load_delta_set_index_mapping( TT_Face face,
+ tt_var_load_delta_set_index_mapping( FT_Face face, /* TT_Face */
FT_ULong offset,
GX_DeltaSetIdxMap map,
GX_ItemVarStore itemStore,
@@ -942,7 +943,7 @@
}
error = tt_var_load_item_variation_store(
- face,
+ FT_FACE( face ),
table_offset + store_offset,
&table->itemStore );
if ( error )
@@ -951,7 +952,7 @@
if ( widthMap_offset )
{
error = tt_var_load_delta_set_index_mapping(
- face,
+ FT_FACE( face ),
table_offset + widthMap_offset,
&table->widthMap,
&table->itemStore,
@@ -993,11 +994,12 @@
FT_LOCAL_DEF( FT_ItemVarDelta )
- tt_var_get_item_delta( TT_Face face,
+ tt_var_get_item_delta( FT_Face face, /* TT_Face */
GX_ItemVarStore itemStore,
FT_UInt outerIndex,
FT_UInt innerIndex )
{
+ TT_Face ttface = (TT_Face)face;
FT_Stream stream = FT_FACE_STREAM( face );
FT_Memory memory = stream->memory;
FT_Error error = FT_Err_Ok;
@@ -1010,7 +1012,7 @@
FT_ItemVarDelta returnValue;
- if ( !face->blend || !face->blend->normalizedcoords )
+ if ( !ttface->blend || !ttface->blend->normalizedcoords )
return 0;
/* OpenType 1.8.4+: No variation data for this item */
@@ -1061,27 +1063,27 @@
else if ( axis->peakCoord == 0 )
continue;
- else if ( face->blend->normalizedcoords[j] == axis->peakCoord )
+ else if ( ttface->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 )
+ else if ( ttface->blend->normalizedcoords[j] <= axis->startCoord ||
+ ttface->blend->normalizedcoords[j] >= axis->endCoord )
{
scalar = 0;
break;
}
/* cumulative product of all the axis scalars */
- else if ( face->blend->normalizedcoords[j] < axis->peakCoord )
+ else if ( ttface->blend->normalizedcoords[j] < axis->peakCoord )
scalar =
FT_MulDiv( scalar,
- face->blend->normalizedcoords[j] - axis->startCoord,
+ ttface->blend->normalizedcoords[j] - axis->startCoord,
axis->peakCoord - axis->startCoord );
else
scalar =
FT_MulDiv( scalar,
- axis->endCoord - face->blend->normalizedcoords[j],
+ axis->endCoord - ttface->blend->normalizedcoords[j],
axis->endCoord - axis->peakCoord );
} /* per-axis loop */
@@ -1207,7 +1209,7 @@
innerIndex = gindex;
}
- delta = tt_var_get_item_delta( face,
+ delta = tt_var_get_item_delta( FT_FACE( face ),
&table->itemStore,
outerIndex,
innerIndex );
@@ -1230,20 +1232,20 @@
FT_LOCAL_DEF( FT_Error )
- tt_hadvance_adjust( TT_Face face,
+ tt_hadvance_adjust( FT_Face face, /* TT_Face */
FT_UInt gindex,
FT_Int *avalue )
{
- return tt_hvadvance_adjust( face, gindex, avalue, 0 );
+ return tt_hvadvance_adjust( (TT_Face)face, gindex, avalue, 0 );
}
FT_LOCAL_DEF( FT_Error )
- tt_vadvance_adjust( TT_Face face,
+ tt_vadvance_adjust( FT_Face face, /* TT_Face */
FT_UInt gindex,
FT_Int *avalue )
{
- return tt_hvadvance_adjust( face, gindex, avalue, 1 );
+ return tt_hvadvance_adjust( (TT_Face)face, gindex, avalue, 1 );
}
@@ -1390,7 +1392,7 @@
records_offset = FT_STREAM_POS();
error = tt_var_load_item_variation_store(
- face,
+ FT_FACE( face ),
table_offset + store_offset,
&blend->mvar_table->itemStore );
if ( error )
@@ -1489,16 +1491,19 @@
* The font face.
*/
FT_LOCAL_DEF( void )
- tt_apply_mvar( TT_Face face )
+ tt_apply_mvar( FT_Face face ) /* TT_Face */
{
- GX_Blend blend = face->blend;
+ TT_Face ttface = (TT_Face)face;
+
+ GX_Blend blend = ttface->blend;
GX_Value value, limit;
+
FT_Short mvar_hasc_delta = 0;
FT_Short mvar_hdsc_delta = 0;
FT_Short mvar_hlgp_delta = 0;
- if ( !( face->variation_support & TT_FACE_FLAG_VAR_MVAR ) )
+ if ( !( ttface->variation_support & TT_FACE_FLAG_VAR_MVAR ) )
return;
value = blend->mvar_table->values;
@@ -1506,7 +1511,7 @@
for ( ; value < limit; value++ )
{
- FT_Short* p = ft_var_get_value_pointer( face, value->tag );
+ FT_Short* p = ft_var_get_value_pointer( ttface, value->tag );
FT_Int delta;
@@ -1544,9 +1549,7 @@
/* adjust all derived values */
{
FT_Service_MetricsVariations var =
- (FT_Service_MetricsVariations)face->face_var;
-
- FT_Face root = &face->root;
+ (FT_Service_MetricsVariations)ttface->face_var;
/*
* Apply the deltas of hasc, hdsc and hlgp to the FT_Face's ascender,
@@ -1574,23 +1577,23 @@
* whether they were actually changed or the font had the OS/2 table's
* fsSelection's bit 7 (USE_TYPO_METRICS) set.
*/
- FT_Short current_line_gap = root->height - root->ascender +
- root->descender;
+ FT_Short current_line_gap = face->height - face->ascender +
+ face->descender;
- root->ascender = root->ascender + mvar_hasc_delta;
- root->descender = root->descender + mvar_hdsc_delta;
- root->height = root->ascender - root->descender +
+ face->ascender = face->ascender + mvar_hasc_delta;
+ face->descender = face->descender + mvar_hdsc_delta;
+ face->height = face->ascender - face->descender +
current_line_gap + mvar_hlgp_delta;
- root->underline_position = face->postscript.underlinePosition -
- face->postscript.underlineThickness / 2;
- root->underline_thickness = face->postscript.underlineThickness;
+ face->underline_position = ttface->postscript.underlinePosition -
+ ttface->postscript.underlineThickness / 2;
+ face->underline_thickness = ttface->postscript.underlineThickness;
/* iterate over all FT_Size objects and call `var->size_reset' */
/* to propagate the metrics changes */
if ( var && var->size_reset )
- FT_List_Iterate( &root->sizes_list,
+ FT_List_Iterate( &face->sizes_list,
ft_size_reset_iterator,
(void*)var );
}
@@ -2103,7 +2106,7 @@
innerIndex = table->axisMap.innerIndex[idx];
}
- delta = tt_var_get_item_delta( face,
+ delta = tt_var_get_item_delta( FT_FACE( face ),
&table->itemStore,
outerIndex,
innerIndex );
@@ -2265,11 +2268,12 @@
* FreeType error code. 0 means success.
*/
FT_LOCAL_DEF( FT_Error )
- TT_Get_MM_Var( TT_Face face,
+ TT_Get_MM_Var( FT_Face face, /* TT_Face */
FT_MM_Var* *master )
{
- FT_Stream stream = face->root.stream;
- FT_Memory memory = face->root.memory;
+ TT_Face ttface = (TT_Face)face;
+ FT_Stream stream = FT_FACE_STREAM( face );
+ FT_Memory memory = FT_FACE_MEMORY( face );
FT_ULong table_len;
FT_Error error = FT_Err_Ok;
FT_ULong fvar_start = 0;
@@ -2333,19 +2337,19 @@
/* the default instance, which might be missing in the table of named */
/* instances (in 'fvar'). This value is validated in `sfobjs.c` and */
/* may be reset to 0 if consistency checks fail. */
- num_instances = (FT_UInt)face->root.style_flags >> 16;
+ num_instances = (FT_UInt)face->style_flags >> 16;
/* read the font data and set up the internal representation */
/* if not already done */
- need_init = !face->blend;
+ need_init = !ttface->blend;
if ( need_init )
{
FT_TRACE2(( "FVAR " ));
- if ( FT_SET_ERROR( face->goto_table( face, TTAG_fvar,
- stream, &table_len ) ) )
+ if ( FT_SET_ERROR( ttface->goto_table( ttface, TTAG_fvar,
+ stream, &table_len ) ) )
{
FT_TRACE1(( "is missing\n" ));
goto Exit;
@@ -2378,14 +2382,14 @@
fvar_head.axisCount,
fvar_head.axisCount == 1 ? "is" : "es" ));
- if ( FT_NEW( face->blend ) )
+ if ( FT_NEW( ttface->blend ) )
goto Exit;
- num_axes = fvar_head.axisCount;
- face->blend->num_axis = num_axes;
+ num_axes = fvar_head.axisCount;
+ ttface->blend->num_axis = num_axes;
}
else
- num_axes = face->blend->num_axis;
+ num_axes = ttface->blend->num_axis;
/* prepare storage area for MM data; this cannot overflow */
/* 32-bit arithmetic because of the size limits used in the */
@@ -2414,16 +2418,16 @@
if ( need_init )
{
- face->blend->mmvar_len = mmvar_size +
- axis_flags_size +
- axis_size +
- namedstyle_size +
- next_coords_size +
- next_name_size;
-
- if ( FT_ALLOC( mmvar, face->blend->mmvar_len ) )
+ ttface->blend->mmvar_len = mmvar_size +
+ axis_flags_size +
+ axis_size +
+ namedstyle_size +
+ next_coords_size +
+ next_name_size;
+
+ if ( FT_ALLOC( mmvar, ttface->blend->mmvar_len ) )
goto Exit;
- face->blend->mmvar = mmvar;
+ ttface->blend->mmvar = mmvar;
/* set up pointers and offsets into the `mmvar' array; */
/* the data gets filled in later on */
@@ -2529,16 +2533,16 @@
/* named instance coordinates are stored as design coordinates; */
/* we have to convert them to normalized coordinates also */
- if ( FT_NEW_ARRAY( face->blend->normalized_stylecoords,
+ if ( FT_NEW_ARRAY( ttface->blend->normalized_stylecoords,
num_axes * num_instances ) )
goto Exit;
- if ( fvar_head.instanceCount && !face->blend->avar_loaded )
+ if ( fvar_head.instanceCount && !ttface->blend->avar_loaded )
{
FT_ULong offset = FT_STREAM_POS();
- ft_var_load_avar( face );
+ ft_var_load_avar( ttface );
if ( FT_STREAM_SEEK( offset ) )
goto Exit;
@@ -2549,7 +2553,7 @@
fvar_head.instanceCount == 1 ? "" : "s" ));
ns = mmvar->namedstyle;
- nsc = face->blend->normalized_stylecoords;
+ nsc = ttface->blend->normalized_stylecoords;
for ( i = 0; i < fvar_head.instanceCount; i++, ns++ )
{
/* PostScript names add 2 bytes to the instance record size */
@@ -2572,7 +2576,7 @@
#ifdef FT_DEBUG_LEVEL_TRACE
{
- SFNT_Service sfnt = (SFNT_Service)face->sfnt;
+ SFNT_Service sfnt = (SFNT_Service)ttface->sfnt;
FT_String* strname = NULL;
FT_String* psname = NULL;
@@ -2584,7 +2588,7 @@
if ( ns->strid != 0xFFFF )
{
- (void)sfnt->get_name( face,
+ (void)sfnt->get_name( ttface,
(FT_UShort)ns->strid,
&strname );
if ( strname && !ft_strcmp( strname, ".notdef" ) )
@@ -2593,7 +2597,7 @@
if ( ns->psid != 0xFFFF )
{
- (void)sfnt->get_name( face,
+ (void)sfnt->get_name( ttface,
(FT_UShort)ns->psid,
&psname );
if ( psname && !ft_strcmp( psname, ".notdef" ) )
@@ -2616,7 +2620,7 @@
}
#endif /* FT_DEBUG_LEVEL_TRACE */
- ft_var_to_normalized( face, num_axes, ns->coords, nsc );
+ ft_var_to_normalized( ttface, num_axes, ns->coords, nsc );
nsc += num_axes;
FT_FRAME_EXIT();
@@ -2624,7 +2628,7 @@
if ( num_instances != fvar_head.instanceCount )
{
- SFNT_Service sfnt = (SFNT_Service)face->sfnt;
+ SFNT_Service sfnt = (SFNT_Service)ttface->sfnt;
FT_Int found, dummy1, dummy2;
FT_UInt strid = ~0U;
@@ -2634,7 +2638,7 @@
/* of named instances; try to synthesize an entry. */
/* If this fails, `default_named_instance` remains */
/* at value zero, which doesn't do any harm. */
- found = sfnt->get_name_id( face,
+ found = sfnt->get_name_id( ttface,
TT_NAME_ID_TYPOGRAPHIC_SUBFAMILY,
&dummy1,
&dummy2 );
@@ -2642,7 +2646,7 @@
strid = TT_NAME_ID_TYPOGRAPHIC_SUBFAMILY;
else
{
- found = sfnt->get_name_id( face,
+ found = sfnt->get_name_id( ttface,
TT_NAME_ID_FONT_SUBFAMILY,
&dummy1,
&dummy2 );
@@ -2652,7 +2656,7 @@
if ( found )
{
- found = sfnt->get_name_id( face,
+ found = sfnt->get_name_id( ttface,
TT_NAME_ID_PS_NAME,
&dummy1,
&dummy2 );
@@ -2662,7 +2666,7 @@
" Adding default instance to named instances\n" ));
/* named instance indices start with value 1 */
- face->var_default_named_instance = num_instances;
+ ttface->var_default_named_instance = num_instances;
ns = &mmvar->namedstyle[fvar_head.instanceCount];
@@ -2677,7 +2681,7 @@
}
}
- ft_var_load_mvar( face );
+ ft_var_load_mvar( ttface );
}
/* fill the output array if requested */
@@ -2687,9 +2691,9 @@
FT_UInt n;
- if ( FT_ALLOC( mmvar, face->blend->mmvar_len ) )
+ if ( FT_ALLOC( mmvar, ttface->blend->mmvar_len ) )
goto Exit;
- FT_MEM_COPY( mmvar, face->blend->mmvar, face->blend->mmvar_len );
+ FT_MEM_COPY( mmvar, ttface->blend->mmvar, ttface->blend->mmvar_len );
axis_flags =
(FT_UShort*)( (char*)mmvar + mmvar_size );
@@ -2765,7 +2769,7 @@
if ( !face->blend )
{
- if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) )
+ if ( FT_SET_ERROR( TT_Get_MM_Var( FT_FACE( face ), NULL ) ) )
goto Exit;
}
@@ -2971,11 +2975,11 @@
* axis values.
*/
FT_LOCAL_DEF( FT_Error )
- TT_Set_MM_Blend( TT_Face face,
+ TT_Set_MM_Blend( FT_Face face, /* TT_Face */
FT_UInt num_coords,
FT_Fixed* coords )
{
- return tt_set_mm_blend( face, num_coords, coords, 1 );
+ return tt_set_mm_blend( (TT_Face)face, num_coords, coords, 1 );
}
@@ -3007,28 +3011,30 @@
* axis values.
*/
FT_LOCAL_DEF( FT_Error )
- TT_Get_MM_Blend( TT_Face face,
+ TT_Get_MM_Blend( FT_Face face, /* TT_Face */
FT_UInt num_coords,
FT_Fixed* coords )
{
+ TT_Face ttface = (TT_Face)face;
+
FT_Error error = FT_Err_Ok;
GX_Blend blend;
FT_UInt i, nc;
- if ( !face->blend )
+ if ( !ttface->blend )
{
if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) )
return error;
}
- blend = face->blend;
+ blend = ttface->blend;
if ( !blend->coords )
{
/* select default instance coordinates */
/* if no instance is selected yet */
- if ( FT_SET_ERROR( tt_set_mm_blend( face, 0, NULL, 1 ) ) )
+ if ( FT_SET_ERROR( tt_set_mm_blend( ttface, 0, NULL, 1 ) ) )
return error;
}
@@ -3041,7 +3047,7 @@
nc = blend->num_axis;
}
- if ( face->doblend )
+ if ( ttface->doblend )
{
for ( i = 0; i < nc; i++ )
coords[i] = blend->normalizedcoords[i];
@@ -3088,15 +3094,16 @@
* FreeType error code. 0 means success.
*/
FT_LOCAL_DEF( FT_Error )
- TT_Set_Var_Design( TT_Face face,
+ TT_Set_Var_Design( FT_Face face, /* TT_Face */
FT_UInt num_coords,
FT_Fixed* coords )
{
+ TT_Face ttface = (TT_Face)face;
FT_Error error = FT_Err_Ok;
GX_Blend blend;
FT_MM_Var* mmvar;
FT_UInt i;
- FT_Memory memory = face->root.memory;
+ FT_Memory memory = FT_FACE_MEMORY( face );
FT_Fixed* c;
FT_Fixed* n;
@@ -3105,13 +3112,13 @@
FT_Bool have_diff = 0;
- if ( !face->blend )
+ if ( !ttface->blend )
{
if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) )
goto Exit;
}
- blend = face->blend;
+ blend = ttface->blend;
mmvar = blend->mmvar;
if ( num_coords > mmvar->num_axis )
@@ -3139,13 +3146,13 @@
}
}
- if ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) )
+ if ( FT_IS_NAMED_INSTANCE( face ) )
{
FT_UInt instance_index;
FT_Var_Named_Style* named_style;
- instance_index = (FT_UInt)face->root.face_index >> 16;
+ instance_index = (FT_UInt)face->face_index >> 16;
named_style = mmvar->namedstyle + instance_index - 1;
n = named_style->coords + num_coords;
@@ -3182,14 +3189,14 @@
if ( FT_NEW_ARRAY( normalized, mmvar->num_axis ) )
goto Exit;
- if ( !face->blend->avar_loaded )
- ft_var_load_avar( face );
+ if ( !ttface->blend->avar_loaded )
+ ft_var_load_avar( ttface );
FT_TRACE5(( "TT_Set_Var_Design:\n" ));
FT_TRACE5(( " normalized design coordinates:\n" ));
- ft_var_to_normalized( face, num_coords, blend->coords, normalized );
+ ft_var_to_normalized( ttface, num_coords, blend->coords, normalized );
- error = tt_set_mm_blend( face, mmvar->num_axis, normalized, 0 );
+ error = tt_set_mm_blend( ttface, mmvar->num_axis, normalized, 0 );
if ( error )
goto Exit;
@@ -3225,28 +3232,29 @@
* FreeType error code. 0~means success.
*/
FT_LOCAL_DEF( FT_Error )
- TT_Get_Var_Design( TT_Face face,
+ TT_Get_Var_Design( FT_Face face, /* TT_Face */
FT_UInt num_coords,
FT_Fixed* coords )
{
- FT_Error error = FT_Err_Ok;
+ TT_Face ttface = (TT_Face)face;
+ FT_Error error = FT_Err_Ok;
GX_Blend blend;
FT_UInt i, nc;
- if ( !face->blend )
+ if ( !ttface->blend )
{
if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) )
return error;
}
- blend = face->blend;
+ blend = ttface->blend;
if ( !blend->coords )
{
/* select default instance coordinates */
/* if no instance is selected yet */
- if ( FT_SET_ERROR( tt_set_mm_blend( face, 0, NULL, 1 ) ) )
+ if ( FT_SET_ERROR( tt_set_mm_blend( ttface, 0, NULL, 1 ) ) )
return error;
}
@@ -3259,7 +3267,7 @@
nc = blend->num_axis;
}
- if ( face->doblend )
+ if ( ttface->doblend )
{
for ( i = 0; i < nc; i++ )
coords[i] = blend->coords[i];
@@ -3299,28 +3307,29 @@
* axis values.
*/
FT_LOCAL_DEF( FT_Error )
- TT_Set_Named_Instance( TT_Face face,
+ TT_Set_Named_Instance( FT_Face face, /* TT_Face */
FT_UInt instance_index )
{
+ TT_Face ttface = (TT_Face)face;
FT_Error error;
GX_Blend blend;
FT_MM_Var* mmvar;
- FT_Memory memory = face->root.memory;
+ FT_Memory memory = FT_FACE_MEMORY( face );
FT_UInt num_instances;
- if ( !face->blend )
+ if ( !ttface->blend )
{
if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) )
goto Exit;
}
- blend = face->blend;
+ blend = ttface->blend;
mmvar = blend->mmvar;
- num_instances = (FT_UInt)face->root.style_flags >> 16;
+ num_instances = (FT_UInt)face->style_flags >> 16;
/* `instance_index' starts with value 1, thus `>' */
if ( instance_index > num_instances )
@@ -3331,7 +3340,7 @@
if ( instance_index > 0 )
{
- SFNT_Service sfnt = (SFNT_Service)face->sfnt;
+ SFNT_Service sfnt = (SFNT_Service)ttface->sfnt;
FT_Var_Named_Style* named_style;
FT_String* style_name;
@@ -3339,15 +3348,15 @@
named_style = mmvar->namedstyle + instance_index - 1;
- error = sfnt->get_name( face,
+ error = sfnt->get_name( ttface,
(FT_UShort)named_style->strid,
&style_name );
if ( error )
goto Exit;
/* set (or replace) style name */
- FT_FREE( face->root.style_name );
- face->root.style_name = style_name;
+ FT_FREE( face->style_name );
+ face->style_name = style_name;
/* finally, select the named instance */
error = TT_Set_Var_Design( face,
@@ -3357,8 +3366,8 @@
else
{
/* restore non-VF style name */
- FT_FREE( face->root.style_name );
- if ( FT_STRDUP( face->root.style_name, face->non_var_style_name ) )
+ FT_FREE( face->style_name );
+ if ( FT_STRDUP( face->style_name, ttface->non_var_style_name ) )
goto Exit;
error = TT_Set_Var_Design( face, 0, NULL );
}
@@ -3388,19 +3397,20 @@
* FreeType error code. 0~means success.
*/
FT_LOCAL_DEF( FT_Error )
- TT_Get_Default_Named_Instance( TT_Face face,
+ TT_Get_Default_Named_Instance( FT_Face face,
FT_UInt *instance_index )
{
- FT_Error error = FT_Err_Ok;
+ TT_Face ttface = (TT_Face)face;
+ FT_Error error = FT_Err_Ok;
- if ( !face->blend )
+ if ( !ttface->blend )
{
if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) )
goto Exit;
}
- *instance_index = face->var_default_named_instance;
+ *instance_index = ttface->var_default_named_instance;
Exit:
return error;
@@ -3411,12 +3421,13 @@
/* field in `TT_Face`. */
FT_LOCAL_DEF( void )
- tt_construct_ps_name( TT_Face face )
+ tt_construct_ps_name( FT_Face face )
{
- FT_Memory memory = face->root.memory;
+ TT_Face ttface = (TT_Face)face;
+ FT_Memory memory = FT_FACE_MEMORY( face );
- FT_FREE( face->postscript_name );
+ FT_FREE( ttface->postscript_name );
}
@@ -4452,22 +4463,25 @@
* the MM machinery in case it isn't loaded yet.
*/
FT_LOCAL_DEF( FT_Error )
- tt_get_var_blend( TT_Face face,
+ tt_get_var_blend( FT_Face face, /* TT_Face */
FT_UInt *num_coords,
FT_Fixed* *coords,
FT_Fixed* *normalizedcoords,
FT_MM_Var* *mm_var )
{
- if ( face->blend )
+ TT_Face ttface = (TT_Face)face;
+
+
+ if ( ttface->blend )
{
if ( num_coords )
- *num_coords = face->blend->num_axis;
+ *num_coords = ttface->blend->num_axis;
if ( coords )
- *coords = face->blend->coords;
+ *coords = ttface->blend->coords;
if ( normalizedcoords )
- *normalizedcoords = face->blend->normalizedcoords;
+ *normalizedcoords = ttface->blend->normalizedcoords;
if ( mm_var )
- *mm_var = face->blend->mmvar;
+ *mm_var = ttface->blend->mmvar;
}
else
{
@@ -4484,7 +4498,7 @@
FT_LOCAL_DEF( void )
- tt_var_done_item_variation_store( TT_Face face,
+ tt_var_done_item_variation_store( FT_Face face,
GX_ItemVarStore itemStore )
{
FT_Memory memory = FT_FACE_MEMORY( face );
@@ -4513,7 +4527,7 @@
FT_LOCAL_DEF( void )
- tt_var_done_delta_set_index_map( TT_Face face,
+ tt_var_done_delta_set_index_map( FT_Face face,
GX_DeltaSetIdxMap deltaSetIdxMap )
{
FT_Memory memory = FT_FACE_MEMORY( face );
@@ -4533,10 +4547,11 @@
* Free the blend internal data structure.
*/
FT_LOCAL_DEF( void )
- tt_done_blend( TT_Face face )
+ tt_done_blend( FT_Face face )
{
+ TT_Face ttface = (TT_Face)face;
FT_Memory memory = FT_FACE_MEMORY( face );
- GX_Blend blend = face->blend;
+ GX_Blend blend = ttface->blend;
if ( blend )
diff --git a/src/truetype/ttgxvar.h b/src/truetype/ttgxvar.h
index 4de772c..e3da6d1 100644
--- a/src/truetype/ttgxvar.h
+++ b/src/truetype/ttgxvar.h
@@ -347,39 +347,39 @@ FT_BEGIN_HEADER
FT_LOCAL( FT_Error )
- TT_Set_MM_Blend( TT_Face face,
+ TT_Set_MM_Blend( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
FT_LOCAL( FT_Error )
- TT_Get_MM_Blend( TT_Face face,
+ TT_Get_MM_Blend( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
FT_LOCAL( FT_Error )
- TT_Set_Var_Design( TT_Face face,
+ TT_Set_Var_Design( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
FT_LOCAL( FT_Error )
- TT_Get_MM_Var( TT_Face face,
+ TT_Get_MM_Var( FT_Face face,
FT_MM_Var* *master );
FT_LOCAL( FT_Error )
- TT_Get_Var_Design( TT_Face face,
+ TT_Get_Var_Design( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
FT_LOCAL( FT_Error )
- TT_Set_Named_Instance( TT_Face face,
+ TT_Set_Named_Instance( FT_Face face,
FT_UInt instance_index );
FT_LOCAL( FT_Error )
- TT_Get_Default_Named_Instance( TT_Face face,
+ TT_Get_Default_Named_Instance( FT_Face face,
FT_UInt *instance_index );
FT_LOCAL( void )
- tt_construct_ps_name( TT_Face face );
+ tt_construct_ps_name( FT_Face face );
FT_LOCAL( FT_Error )
tt_face_vary_cvt( TT_Face face,
@@ -392,54 +392,54 @@ FT_BEGIN_HEADER
FT_Vector* unrounded );
FT_LOCAL( FT_Error )
- tt_hadvance_adjust( TT_Face face,
+ tt_hadvance_adjust( FT_Face face,
FT_UInt gindex,
FT_Int *adelta );
FT_LOCAL( FT_Error )
- tt_vadvance_adjust( TT_Face face,
+ tt_vadvance_adjust( FT_Face face,
FT_UInt gindex,
FT_Int *adelta );
FT_LOCAL( void )
- tt_apply_mvar( TT_Face face );
+ tt_apply_mvar( FT_Face face );
FT_LOCAL( FT_Error )
- tt_var_load_item_variation_store( TT_Face face,
+ tt_var_load_item_variation_store( FT_Face face,
FT_ULong offset,
GX_ItemVarStore itemStore );
FT_LOCAL( FT_Error )
- tt_var_load_delta_set_index_mapping( TT_Face face,
+ tt_var_load_delta_set_index_mapping( FT_Face face,
FT_ULong offset,
GX_DeltaSetIdxMap map,
GX_ItemVarStore itemStore,
FT_ULong table_len );
FT_LOCAL( FT_ItemVarDelta )
- tt_var_get_item_delta( TT_Face face,
+ tt_var_get_item_delta( FT_Face face,
GX_ItemVarStore itemStore,
FT_UInt outerIndex,
FT_UInt innerIndex );
FT_LOCAL( void )
- tt_var_done_item_variation_store( TT_Face face,
+ tt_var_done_item_variation_store( FT_Face face,
GX_ItemVarStore itemStore );
FT_LOCAL( void )
- tt_var_done_delta_set_index_map( TT_Face face,
+ tt_var_done_delta_set_index_map( FT_Face face,
GX_DeltaSetIdxMap deltaSetIdxMap );
FT_LOCAL( FT_Error )
- tt_get_var_blend( TT_Face face,
+ tt_get_var_blend( FT_Face face,
FT_UInt *num_coords,
FT_Fixed* *coords,
FT_Fixed* *normalizedcoords,
FT_MM_Var* *mm_var );
FT_LOCAL( void )
- tt_done_blend( TT_Face face );
+ tt_done_blend( FT_Face face );
#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */
diff --git a/src/truetype/ttobjs.c b/src/truetype/ttobjs.c
index 29d41da..ce956c0 100644
--- a/src/truetype/ttobjs.c
+++ b/src/truetype/ttobjs.c
@@ -581,7 +581,7 @@
FT_Bool result = FALSE;
TT_Face face = (TT_Face)ttface;
- FT_UInt asize;
+ FT_ULong asize;
FT_ULong i;
FT_ULong glyph_index = 0;
FT_UInt count = 0;
@@ -589,7 +589,7 @@
for( i = 0; i < face->num_locations; i++ )
{
- tt_face_get_location( face, i, &asize );
+ tt_face_get_location( ttface, i, &asize );
if ( asize > 0 )
{
count += 1;
@@ -854,7 +854,7 @@
face->cvt_program_size = 0;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
- tt_done_blend( face );
+ tt_done_blend( ttface );
face->blend = NULL;
#endif
}
diff --git a/src/truetype/ttpload.c b/src/truetype/ttpload.c
index e08bf30..54a64c7 100644
--- a/src/truetype/ttpload.c
+++ b/src/truetype/ttpload.c
@@ -180,10 +180,11 @@
FT_LOCAL_DEF( FT_ULong )
- tt_face_get_location( TT_Face face,
- FT_UInt gindex,
- FT_UInt *asize )
+ tt_face_get_location( FT_Face face, /* TT_Face */
+ FT_UInt gindex,
+ FT_ULong *asize )
{
+ TT_Face ttface = (TT_Face)face;
FT_ULong pos1, pos2;
FT_Byte* p;
FT_Byte* p_limit;
@@ -191,12 +192,12 @@
pos1 = pos2 = 0;
- if ( gindex < face->num_locations )
+ if ( gindex < ttface->num_locations )
{
- if ( face->header.Index_To_Loc_Format != 0 )
+ if ( ttface->header.Index_To_Loc_Format != 0 )
{
- p = face->glyph_locations + gindex * 4;
- p_limit = face->glyph_locations + face->num_locations * 4;
+ p = ttface->glyph_locations + gindex * 4;
+ p_limit = ttface->glyph_locations + ttface->num_locations * 4;
pos1 = FT_NEXT_ULONG( p );
pos2 = pos1;
@@ -206,8 +207,8 @@
}
else
{
- p = face->glyph_locations + gindex * 2;
- p_limit = face->glyph_locations + face->num_locations * 2;
+ p = ttface->glyph_locations + gindex * 2;
+ p_limit = ttface->glyph_locations + ttface->num_locations * 2;
pos1 = FT_NEXT_USHORT( p );
pos2 = pos1;
@@ -221,30 +222,30 @@
}
/* Check broken location data. */
- if ( pos1 > face->glyf_len )
+ if ( pos1 > ttface->glyf_len )
{
FT_TRACE1(( "tt_face_get_location:"
" too large offset (0x%08lx) found for glyph index %d,\n",
pos1, gindex ));
FT_TRACE1(( " "
" exceeding the end of `glyf' table (0x%08lx)\n",
- face->glyf_len ));
+ ttface->glyf_len ));
*asize = 0;
return 0;
}
- if ( pos2 > face->glyf_len )
+ if ( pos2 > ttface->glyf_len )
{
/* We try to sanitize the last `loca' entry. */
- if ( gindex == face->num_locations - 2 )
+ if ( gindex == ttface->num_locations - 2 )
{
FT_TRACE1(( "tt_face_get_location:"
" too large size (%ld bytes) found for glyph index %d,\n",
pos2 - pos1, gindex ));
FT_TRACE1(( " "
" truncating at the end of `glyf' table to %ld bytes\n",
- face->glyf_len - pos1 ));
- pos2 = face->glyf_len;
+ ttface->glyf_len - pos1 ));
+ pos2 = ttface->glyf_len;
}
else
{
@@ -253,7 +254,7 @@
pos2, gindex + 1 ));
FT_TRACE1(( " "
" exceeding the end of `glyf' table (0x%08lx)\n",
- face->glyf_len ));
+ ttface->glyf_len ));
*asize = 0;
return 0;
}
@@ -268,9 +269,9 @@
/* We get (intentionally) a wrong, non-zero result in case the */
/* `glyf' table is missing. */
if ( pos2 >= pos1 )
- *asize = (FT_UInt)( pos2 - pos1 );
+ *asize = (FT_ULong)( pos2 - pos1 );
else
- *asize = (FT_UInt)( face->glyf_len - pos1 );
+ *asize = (FT_ULong)( ttface->glyf_len - pos1 );
return pos1;
}
diff --git a/src/truetype/ttpload.h b/src/truetype/ttpload.h
index 939e02f..ed229fa 100644
--- a/src/truetype/ttpload.h
+++ b/src/truetype/ttpload.h
@@ -31,9 +31,9 @@ FT_BEGIN_HEADER
FT_Stream stream );
FT_LOCAL( FT_ULong )
- tt_face_get_location( TT_Face face,
- FT_UInt gindex,
- FT_UInt *asize );
+ tt_face_get_location( FT_Face face,
+ FT_UInt gindex,
+ FT_ULong *asize );
FT_LOCAL( void )
tt_face_done_loca( TT_Face face );