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-rw-r--r--freetype/src/truetype/ttdriver.c8
-rw-r--r--freetype/src/truetype/ttgload.c69
-rw-r--r--freetype/src/truetype/ttgxvar.c6
-rw-r--r--freetype/src/truetype/ttinterp.c216
-rw-r--r--freetype/src/truetype/ttinterp.h23
-rw-r--r--freetype/src/truetype/ttobjs.c172
-rw-r--r--freetype/src/truetype/ttobjs.h12
-rw-r--r--freetype/src/truetype/ttpload.c12
-rw-r--r--freetype/src/truetype/ttsubpix.c6
9 files changed, 256 insertions, 268 deletions
diff --git a/freetype/src/truetype/ttdriver.c b/freetype/src/truetype/ttdriver.c
index ade2505c7..b2925f7d6 100644
--- a/freetype/src/truetype/ttdriver.c
+++ b/freetype/src/truetype/ttdriver.c
@@ -4,7 +4,7 @@
/* */
/* TrueType font driver implementation (body). */
/* */
-/* Copyright 1996-2013 by */
+/* Copyright 1996-2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -267,7 +267,7 @@
/* use the scaled metrics, even when tt_size_reset fails */
FT_Select_Metrics( size->face, strike_index );
- tt_size_reset( ttsize );
+ tt_size_reset( ttsize ); /* ignore return value */
}
else
{
@@ -370,7 +370,7 @@
return FT_THROW( Invalid_Size_Handle );
if ( !face )
- return FT_THROW( Invalid_Argument );
+ return FT_THROW( Invalid_Face_Handle );
#ifdef FT_CONFIG_OPTION_INCREMENTAL
if ( glyph_index >= (FT_UInt)face->num_glyphs &&
@@ -481,7 +481,7 @@
SFNT_Service sfnt;
- /* TT_SERVICES_GET derefers `library' in PIC mode */
+ /* TT_SERVICES_GET dereferences `library' in PIC mode */
#ifdef FT_CONFIG_OPTION_PIC
if ( !driver )
return NULL;
diff --git a/freetype/src/truetype/ttgload.c b/freetype/src/truetype/ttgload.c
index 3b4580cd7..8e8f48587 100644
--- a/freetype/src/truetype/ttgload.c
+++ b/freetype/src/truetype/ttgload.c
@@ -4,7 +4,7 @@
/* */
/* TrueType Glyph Loader (body). */
/* */
-/* Copyright 1996-2013 */
+/* Copyright 1996-2014 */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -99,13 +99,13 @@
else if ( face->os2.version != 0xFFFFU )
{
- *tsb = face->os2.sTypoAscender - yMax;
+ *tsb = (FT_Short)( face->os2.sTypoAscender - yMax );
*ah = face->os2.sTypoAscender - face->os2.sTypoDescender;
}
else
{
- *tsb = face->horizontal.Ascender - yMax;
+ *tsb = (FT_Short)( face->horizontal.Ascender - yMax );
*ah = face->horizontal.Ascender - face->horizontal.Descender;
}
@@ -801,10 +801,8 @@
FT_Outline current_outline = gloader->current.outline;
- error = TT_Set_CodeRange( loader->exec, tt_coderange_glyph,
- loader->exec->glyphIns, n_ins );
- if ( error )
- return error;
+ TT_Set_CodeRange( loader->exec, tt_coderange_glyph,
+ loader->exec->glyphIns, n_ins );
loader->exec->is_composite = is_composite;
loader->exec->pts = *zone;
@@ -1789,8 +1787,12 @@
/* (1): exists from the beginning */
/* (2): components that have been loaded so far */
/* (3): the newly loaded component */
- TT_Process_Composite_Component( loader, subglyph, start_point,
- num_base_points );
+ error = TT_Process_Composite_Component( loader,
+ subglyph,
+ start_point,
+ num_base_points );
+ if ( error )
+ goto Exit;
}
loader->stream = old_stream;
@@ -1799,16 +1801,17 @@
/* process the glyph */
loader->ins_pos = ins_pos;
if ( IS_HINTED( loader->load_flags ) &&
-
#ifdef TT_USE_BYTECODE_INTERPRETER
-
subglyph->flags & WE_HAVE_INSTR &&
-
#endif
-
num_points > start_point )
- TT_Process_Composite_Glyph( loader, start_point, start_contour );
-
+ {
+ error = TT_Process_Composite_Glyph( loader,
+ start_point,
+ start_contour );
+ if ( error )
+ goto Exit;
+ }
}
}
else
@@ -2083,6 +2086,8 @@
FT_Int32 load_flags,
FT_Bool glyf_table_only )
{
+ FT_Error error;
+
TT_Face face;
FT_Stream stream;
#ifdef TT_USE_BYTECODE_INTERPRETER
@@ -2120,14 +2125,16 @@
FT_Bool reexecute = FALSE;
- if ( !size->cvt_ready )
+ if ( size->bytecode_ready < 0 || size->cvt_ready < 0 )
{
- FT_Error error = tt_size_ready_bytecode( size, pedantic );
-
-
+ error = tt_size_ready_bytecode( size, pedantic );
if ( error )
return error;
}
+ else if ( size->bytecode_ready )
+ return size->bytecode_ready;
+ else if ( size->cvt_ready )
+ return size->cvt_ready;
/* query new execution context */
exec = size->debug ? size->context
@@ -2191,7 +2198,9 @@
FT_RENDER_MODE_MONO );
}
- TT_Load_Context( exec, face, size );
+ error = TT_Load_Context( exec, face, size );
+ if ( error )
+ return error;
#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
@@ -2243,7 +2252,9 @@
for ( i = 0; i < size->cvt_size; i++ )
size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale );
- tt_size_run_prep( size, pedantic );
+ error = tt_size_run_prep( size, pedantic );
+ if ( error )
+ return error;
}
/* see whether the cvt program has disabled hinting */
@@ -2274,8 +2285,7 @@
#endif
{
- FT_Error error = face->goto_table( face, TTAG_glyf, stream, 0 );
-
+ error = face->goto_table( face, TTAG_glyf, stream, 0 );
if ( FT_ERR_EQ( error, Table_Missing ) )
loader->glyf_offset = 0;
@@ -2366,15 +2376,18 @@
(void)tt_loader_init( &loader, size, glyph, load_flags, TRUE );
(void)load_truetype_glyph( &loader, glyph_index, 0, TRUE );
glyph->linearHoriAdvance = loader.linear;
- glyph->linearVertAdvance = loader.top_bearing + loader.bbox.yMax -
- loader.vadvance;
+ glyph->linearVertAdvance = loader.vadvance;
- /* sanity check: if `horiAdvance' in the sbit metric */
- /* structure isn't set, use `linearHoriAdvance' */
+ /* sanity checks: if `xxxAdvance' in the sbit metric */
+ /* structure isn't set, use `linearXXXAdvance' */
if ( !glyph->metrics.horiAdvance && glyph->linearHoriAdvance )
glyph->metrics.horiAdvance =
FT_MulFix( glyph->linearHoriAdvance,
size->root.metrics.x_scale );
+ if ( !glyph->metrics.vertAdvance && glyph->linearVertAdvance )
+ glyph->metrics.vertAdvance =
+ FT_MulFix( glyph->linearVertAdvance,
+ size->root.metrics.y_scale );
}
return FT_Err_Ok;
@@ -2454,7 +2467,7 @@
#endif /* TT_USE_BYTECODE_INTERPRETER */
- compute_glyph_metrics( &loader, glyph_index );
+ error = compute_glyph_metrics( &loader, glyph_index );
}
/* Set the `high precision' bit flag. */
diff --git a/freetype/src/truetype/ttgxvar.c b/freetype/src/truetype/ttgxvar.c
index 50e5f02a7..ea654b878 100644
--- a/freetype/src/truetype/ttgxvar.c
+++ b/freetype/src/truetype/ttgxvar.c
@@ -4,7 +4,7 @@
/* */
/* TrueType GX Font Variation loader */
/* */
-/* Copyright 2004-2013 by */
+/* Copyright 2004-2014 by */
/* David Turner, Robert Wilhelm, Werner Lemberg, and George Williams. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -938,13 +938,13 @@
FT_FREE( face->cvt );
face->cvt = NULL;
- tt_face_load_cvt( face, face->root.stream );
+ error = tt_face_load_cvt( face, face->root.stream );
break;
case mcvt_modify:
/* The original cvt table is in memory. All we need to do is */
/* apply the `cvar' table (if any). */
- tt_face_vary_cvt( face, face->root.stream );
+ error = tt_face_vary_cvt( face, face->root.stream );
break;
case mcvt_retain:
diff --git a/freetype/src/truetype/ttinterp.c b/freetype/src/truetype/ttinterp.c
index 828e295a5..24457f4da 100644
--- a/freetype/src/truetype/ttinterp.c
+++ b/freetype/src/truetype/ttinterp.c
@@ -172,6 +172,9 @@
#define CUR_Func_round( d, c ) \
CUR.func_round( EXEC_ARG_ d, c )
+#define CUR_Func_cur_ppem() \
+ CUR.func_cur_ppem( EXEC_ARG )
+
#define CUR_Func_read_cvt( index ) \
CUR.func_read_cvt( EXEC_ARG_ index )
@@ -184,12 +187,6 @@
#define CURRENT_Ratio() \
Current_Ratio( EXEC_ARG )
-#define CURRENT_Ppem() \
- Current_Ppem( EXEC_ARG )
-
-#define CUR_Ppem() \
- Cur_PPEM( EXEC_ARG )
-
#define INS_SxVTL( a, b, c, d ) \
Ins_SxVTL( EXEC_ARG_ a, b, c, d )
@@ -282,10 +279,7 @@
/* <InOut> */
/* exec :: The target execution context. */
/* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
+ FT_LOCAL_DEF( void )
TT_Goto_CodeRange( TT_ExecContext exec,
FT_Int range,
FT_Long IP )
@@ -309,8 +303,6 @@
exec->codeSize = coderange->size;
exec->IP = IP;
exec->curRange = range;
-
- return FT_Err_Ok;
}
@@ -332,10 +324,7 @@
/* <InOut> */
/* exec :: The target execution context. */
/* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
+ FT_LOCAL_DEF( void )
TT_Set_CodeRange( TT_ExecContext exec,
FT_Int range,
void* base,
@@ -345,8 +334,6 @@
exec->codeRangeTable[range - 1].base = (FT_Byte*)base;
exec->codeRangeTable[range - 1].size = length;
-
- return FT_Err_Ok;
}
@@ -364,13 +351,7 @@
/* <InOut> */
/* exec :: The target execution context. */
/* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- /* <Note> */
- /* Does not set the Error variable. */
- /* */
- FT_LOCAL_DEF( FT_Error )
+ FT_LOCAL_DEF( void )
TT_Clear_CodeRange( TT_ExecContext exec,
FT_Int range )
{
@@ -378,8 +359,6 @@
exec->codeRangeTable[range - 1].base = NULL;
exec->codeRangeTable[range - 1].size = 0;
-
- return FT_Err_Ok;
}
@@ -403,13 +382,10 @@
/* */
/* memory :: A handle to the parent memory object. */
/* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
/* <Note> */
/* Only the glyph loader and debugger should call this function. */
/* */
- FT_LOCAL_DEF( FT_Error )
+ FT_LOCAL_DEF( void )
TT_Done_Context( TT_ExecContext exec )
{
FT_Memory memory = exec->memory;
@@ -436,8 +412,6 @@
exec->face = NULL;
FT_FREE( exec );
-
- return FT_Err_Ok;
}
@@ -664,13 +638,10 @@
/* <InOut> */
/* size :: A handle to the target size object. */
/* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
/* <Note> */
/* Only the glyph loader and debugger should call this function. */
/* */
- FT_LOCAL_DEF( FT_Error )
+ FT_LOCAL_DEF( void )
TT_Save_Context( TT_ExecContext exec,
TT_Size size )
{
@@ -688,8 +659,6 @@
for ( i = 0; i < TT_MAX_CODE_RANGES; i++ )
size->codeRangeTable[i] = exec->codeRangeTable[i];
-
- return FT_Err_Ok;
}
@@ -721,12 +690,7 @@
TT_Run_Context( TT_ExecContext exec,
FT_Bool debug )
{
- FT_Error error;
-
-
- if ( ( error = TT_Goto_CodeRange( exec, tt_coderange_glyph, 0 ) )
- != FT_Err_Ok )
- return error;
+ TT_Goto_CodeRange( exec, tt_coderange_glyph, 0 );
exec->zp0 = exec->pts;
exec->zp1 = exec->pts;
@@ -796,8 +760,13 @@
FT_EXPORT_DEF( TT_ExecContext )
TT_New_Context( TT_Driver driver )
{
- FT_Memory memory = driver->root.root.memory;
+ FT_Memory memory;
+
+
+ if ( !driver )
+ goto Fail;
+ memory = driver->root.root.memory;
if ( !driver->context )
{
@@ -1446,7 +1415,7 @@
TT_MulFix14_arm( FT_Int32 a,
FT_Int b )
{
- register FT_Int32 t, t2;
+ FT_Int32 t, t2;
#if defined( __CC_ARM ) || defined( __ARMCC__ )
@@ -1706,9 +1675,16 @@
}
- static FT_Long
+ FT_CALLBACK_DEF( FT_Long )
Current_Ppem( EXEC_OP )
{
+ return CUR.tt_metrics.ppem;
+ }
+
+
+ FT_CALLBACK_DEF( FT_Long )
+ Current_Ppem_Stretched( EXEC_OP )
+ {
return FT_MulFix( CUR.tt_metrics.ppem, CURRENT_Ratio() );
}
@@ -2047,7 +2023,7 @@
if ( distance >= 0 )
{
val = distance + compensation;
- if ( distance && val < 0 )
+ if ( val < 0 )
val = 0;
}
else
@@ -2087,10 +2063,8 @@
if ( distance >= 0 )
{
- val = distance + compensation + 32;
- if ( distance && val > 0 )
- val &= ~63;
- else
+ val = FT_PIX_ROUND( distance + compensation );
+ if ( val < 0 )
val = 0;
}
else
@@ -2132,14 +2106,14 @@
if ( distance >= 0 )
{
val = FT_PIX_FLOOR( distance + compensation ) + 32;
- if ( distance && val < 0 )
- val = 0;
+ if ( val < 0 )
+ val = 32;
}
else
{
val = -( FT_PIX_FLOOR( compensation - distance ) + 32 );
if ( val > 0 )
- val = 0;
+ val = -32;
}
return val;
@@ -2173,15 +2147,13 @@
if ( distance >= 0 )
{
- val = distance + compensation;
- if ( distance && val > 0 )
- val &= ~63;
- else
+ val = FT_PIX_FLOOR( distance + compensation );
+ if ( val < 0 )
val = 0;
}
else
{
- val = -( ( compensation - distance ) & -64 );
+ val = -FT_PIX_FLOOR( compensation - distance );
if ( val > 0 )
val = 0;
}
@@ -2217,10 +2189,8 @@
if ( distance >= 0 )
{
- val = distance + compensation + 63;
- if ( distance && val > 0 )
- val &= ~63;
- else
+ val = FT_PIX_CEIL( distance + compensation );
+ if ( val < 0 )
val = 0;
}
else
@@ -2261,10 +2231,8 @@
if ( distance >= 0 )
{
- val = distance + compensation + 16;
- if ( distance && val > 0 )
- val &= ~31;
- else
+ val = FT_PAD_ROUND( distance + compensation, 32 );
+ if ( val < 0 )
val = 0;
}
else
@@ -2311,17 +2279,17 @@
{
val = ( distance - CUR.phase + CUR.threshold + compensation ) &
-CUR.period;
- if ( distance && val < 0 )
- val = 0;
val += CUR.phase;
+ if ( val < 0 )
+ val = CUR.phase;
}
else
{
val = -( ( CUR.threshold - CUR.phase - distance + compensation ) &
-CUR.period );
- if ( val > 0 )
- val = 0;
val -= CUR.phase;
+ if ( val > 0 )
+ val = -CUR.phase;
}
return val;
@@ -2359,17 +2327,17 @@
{
val = ( ( distance - CUR.phase + CUR.threshold + compensation ) /
CUR.period ) * CUR.period;
- if ( distance && val < 0 )
- val = 0;
val += CUR.phase;
+ if ( val < 0 )
+ val = CUR.phase;
}
else
{
val = -( ( ( CUR.threshold - CUR.phase - distance + compensation ) /
CUR.period ) * CUR.period );
- if ( val > 0 )
- val = 0;
val -= CUR.phase;
+ if ( val > 0 )
+ val = -CUR.phase;
}
return val;
@@ -3077,19 +3045,22 @@
CUR.GS.auto_flip = FALSE;
-#define DO_SDB \
- CUR.GS.delta_base = (FT_Short)args[0];
+#define DO_SDB \
+ CUR.GS.delta_base = (FT_UShort)args[0];
-#define DO_SDS \
- CUR.GS.delta_shift = (FT_Short)args[0];
+#define DO_SDS \
+ if ( (FT_ULong)args[0] > 6UL ) \
+ CUR.error = FT_THROW( Bad_Argument ); \
+ else \
+ CUR.GS.delta_shift = (FT_UShort)args[0];
#define DO_MD /* nothing */
-#define DO_MPPEM \
- args[0] = CURRENT_Ppem();
+#define DO_MPPEM \
+ args[0] = CUR_Func_cur_ppem();
/* Note: The pointSize should be irrelevant in a given font program; */
@@ -3101,8 +3072,8 @@
#else
-#define DO_MPS \
- args[0] = CURRENT_Ppem();
+#define DO_MPS \
+ args[0] = CUR_Func_cur_ppem();
#endif /* 0 */
@@ -5654,7 +5625,7 @@
/*************************************************************************/
/* */
/* INSTCTRL[]: INSTruction ConTRoL */
- /* Opcode range: 0x8e */
+ /* Opcode range: 0x8E */
/* Stack: int32 int32 --> */
/* */
static void
@@ -7487,9 +7458,9 @@
static void
Ins_DELTAP( INS_ARG )
{
- FT_ULong k, nump;
+ FT_ULong nump, k;
FT_UShort A;
- FT_ULong C;
+ FT_ULong C, P;
FT_Long B;
#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
FT_UShort B1, B2;
@@ -7523,6 +7494,7 @@
}
#endif
+ P = (FT_ULong)CUR_Func_cur_ppem();
nump = (FT_ULong)args[0]; /* some points theoretically may occur more
than once, thus UShort isn't enough */
@@ -7567,12 +7539,12 @@
C += CUR.GS.delta_base;
- if ( CURRENT_Ppem() == (FT_Long)C )
+ if ( P == C )
{
B = ( (FT_ULong)B & 0xF ) - 8;
if ( B >= 0 )
B++;
- B = B * 64 / ( 1L << CUR.GS.delta_shift );
+ B *= 1L << ( 6 - CUR.GS.delta_shift );
#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
@@ -7581,42 +7553,33 @@
/*
* Allow delta move if
*
- * - not using ignore_x_mode rendering
- * - glyph is specifically set to allow it
- * - glyph is composite and freedom vector is not subpixel
- * vector
+ * - not using ignore_x_mode rendering,
+ * - glyph is specifically set to allow it, or
+ * - glyph is composite and freedom vector is not in subpixel
+ * direction.
*/
if ( !CUR.ignore_x_mode ||
( CUR.sph_tweak_flags & SPH_TWEAK_ALWAYS_DO_DELTAP ) ||
( CUR.is_composite && CUR.GS.freeVector.y != 0 ) )
CUR_Func_move( &CUR.zp0, A, B );
- /* Otherwise apply subpixel hinting and */
- /* compatibility mode rules */
- else if ( CUR.ignore_x_mode )
+ /* Otherwise, apply subpixel hinting and compatibility mode */
+ /* rules, always skipping deltas in subpixel direction. */
+ else if ( CUR.ignore_x_mode && CUR.GS.freeVector.y != 0 )
{
- if ( CUR.GS.freeVector.y != 0 )
- B1 = CUR.zp0.cur[A].y;
- else
- B1 = CUR.zp0.cur[A].x;
+ /* save the y value of the point now; compare after move */
+ B1 = (FT_UShort)CUR.zp0.cur[A].y;
-#if 0
- /* Standard Subpixel Hinting: Allow y move. */
- /* This messes up dejavu and may not be needed... */
- if ( !CUR.face->sph_compatibility_mode &&
- CUR.GS.freeVector.y != 0 )
+ /* Standard subpixel hinting: Allow y move for y-touched */
+ /* points. This messes up DejaVu ... */
+ if ( !CUR.face->sph_compatibility_mode &&
+ ( CUR.zp0.tags[A] & FT_CURVE_TAG_TOUCH_Y ) )
CUR_Func_move( &CUR.zp0, A, B );
- else
-#endif /* 0 */
- /* Compatibility Mode: Allow x or y move if point touched in */
- /* Y direction. */
- if ( CUR.face->sph_compatibility_mode &&
- !( CUR.sph_tweak_flags & SPH_TWEAK_ALWAYS_SKIP_DELTAP ) )
+ /* compatibility mode */
+ else if ( CUR.face->sph_compatibility_mode &&
+ !( CUR.sph_tweak_flags & SPH_TWEAK_ALWAYS_SKIP_DELTAP ) )
{
- /* save the y value of the point now; compare after move */
- B1 = CUR.zp0.cur[A].y;
-
if ( CUR.sph_tweak_flags & SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES )
B = FT_PIX_ROUND( B1 + B ) - B1;
@@ -7627,7 +7590,7 @@
CUR_Func_move( &CUR.zp0, A, B );
}
- B2 = CUR.zp0.cur[A].y;
+ B2 = (FT_UShort)CUR.zp0.cur[A].y;
/* Reverse this move if it results in a disallowed move */
if ( CUR.GS.freeVector.y != 0 &&
@@ -7667,7 +7630,7 @@
Ins_DELTAC( INS_ARG )
{
FT_ULong nump, k;
- FT_ULong A, C;
+ FT_ULong A, C, P;
FT_Long B;
@@ -7691,6 +7654,7 @@
}
#endif
+ P = (FT_ULong)CUR_Func_cur_ppem();
nump = (FT_ULong)args[0];
for ( k = 1; k <= nump; k++ )
@@ -7736,12 +7700,12 @@
C += CUR.GS.delta_base;
- if ( CURRENT_Ppem() == (FT_Long)C )
+ if ( P == C )
{
B = ( (FT_ULong)B & 0xF ) - 8;
if ( B >= 0 )
B++;
- B = B * 64 / ( 1L << CUR.GS.delta_shift );
+ B *= 1L << ( 6 - CUR.GS.delta_shift );
CUR_Func_move_cvt( A, B );
}
@@ -8262,6 +8226,9 @@
#ifdef TT_CONFIG_OPTION_STATIC_RASTER
+ if ( !exc )
+ return FT_THROW( Invalid_Argument );
+
cur = *exc;
#endif
@@ -8269,11 +8236,12 @@
CUR.iup_called = FALSE;
#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */
- /* set CVT functions */
+ /* set PPEM and CVT functions */
CUR.tt_metrics.ratio = 0;
if ( CUR.metrics.x_ppem != CUR.metrics.y_ppem )
{
/* non-square pixels, use the stretched routines */
+ CUR.func_cur_ppem = Current_Ppem_Stretched;
CUR.func_read_cvt = Read_CVT_Stretched;
CUR.func_write_cvt = Write_CVT_Stretched;
CUR.func_move_cvt = Move_CVT_Stretched;
@@ -8281,6 +8249,7 @@
else
{
/* square pixels, use normal routines */
+ CUR.func_cur_ppem = Current_Ppem;
CUR.func_read_cvt = Read_CVT;
CUR.func_write_cvt = Write_CVT;
CUR.func_move_cvt = Move_CVT;
@@ -9035,10 +9004,13 @@
/* If any errors have occurred, function tables may be broken. */
/* Force a re-execution of `prep' and `fpgm' tables if no */
/* bytecode debugger is run. */
- if ( CUR.error && !CUR.instruction_trap )
+ if ( CUR.error &&
+ !CUR.instruction_trap &&
+ CUR.curRange == tt_coderange_glyph )
{
FT_TRACE1(( " The interpreter returned error 0x%x\n", CUR.error ));
- exc->size->cvt_ready = FALSE;
+ exc->size->bytecode_ready = -1;
+ exc->size->cvt_ready = -1;
}
return CUR.error;
diff --git a/freetype/src/truetype/ttinterp.h b/freetype/src/truetype/ttinterp.h
index 1d8825d3b..333decc6a 100644
--- a/freetype/src/truetype/ttinterp.h
+++ b/freetype/src/truetype/ttinterp.h
@@ -4,7 +4,7 @@
/* */
/* TrueType bytecode interpreter (specification). */
/* */
-/* Copyright 1996-2007, 2010, 2012-2013 by */
+/* Copyright 1996-2007, 2010, 2012-2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -81,6 +81,10 @@ FT_BEGIN_HEADER
(*TT_Project_Func)( EXEC_OP_ FT_Pos dx,
FT_Pos dy );
+ /* getting current ppem. Take care of non-square pixels if necessary */
+ typedef FT_Long
+ (*TT_Cur_Ppem_Func)( EXEC_OP );
+
/* reading a cvt value. Take care of non-square pixels if necessary */
typedef FT_F26Dot6
(*TT_Get_CVT_Func)( EXEC_OP_ FT_ULong idx );
@@ -228,11 +232,6 @@ FT_BEGIN_HEADER
FT_F26Dot6 phase; /* `SuperRounding' */
FT_F26Dot6 threshold;
-#if 0
- /* this seems to be unused */
- FT_Int cur_ppem; /* ppem along the current proj vector */
-#endif
-
FT_Bool instruction_trap; /* If `True', the interpreter will */
/* exit after each instruction */
@@ -254,6 +253,8 @@ FT_BEGIN_HEADER
TT_Move_Func func_move; /* current point move function */
TT_Move_Func func_move_orig; /* move original position function */
+ TT_Cur_Ppem_Func func_cur_ppem; /* get current proj. ppem value */
+
TT_Get_CVT_Func func_read_cvt; /* read a cvt entry */
TT_Set_CVT_Func func_write_cvt; /* write a cvt entry (in pixels) */
TT_Set_CVT_Func func_move_cvt; /* incr a cvt entry (in pixels) */
@@ -295,18 +296,18 @@ FT_BEGIN_HEADER
#ifdef TT_USE_BYTECODE_INTERPRETER
- FT_LOCAL( FT_Error )
+ FT_LOCAL( void )
TT_Goto_CodeRange( TT_ExecContext exec,
FT_Int range,
FT_Long IP );
- FT_LOCAL( FT_Error )
+ FT_LOCAL( void )
TT_Set_CodeRange( TT_ExecContext exec,
FT_Int range,
void* base,
FT_Long length );
- FT_LOCAL( FT_Error )
+ FT_LOCAL( void )
TT_Clear_CodeRange( TT_ExecContext exec,
FT_Int range );
@@ -344,7 +345,7 @@ FT_BEGIN_HEADER
#ifdef TT_USE_BYTECODE_INTERPRETER
- FT_LOCAL( FT_Error )
+ FT_LOCAL( void )
TT_Done_Context( TT_ExecContext exec );
FT_LOCAL( FT_Error )
@@ -352,7 +353,7 @@ FT_BEGIN_HEADER
TT_Face face,
TT_Size size );
- FT_LOCAL( FT_Error )
+ FT_LOCAL( void )
TT_Save_Context( TT_ExecContext exec,
TT_Size ins );
diff --git a/freetype/src/truetype/ttobjs.c b/freetype/src/truetype/ttobjs.c
index ebbf1b058..7357cdf4e 100644
--- a/freetype/src/truetype/ttobjs.c
+++ b/freetype/src/truetype/ttobjs.c
@@ -256,89 +256,89 @@
#define TRICK_SFNT_ID_prep 2
{ /* MingLiU 1995 */
- { 0x05bcf058, 0x000002e4 }, /* cvt */
- { 0x28233bf1, 0x000087c4 }, /* fpgm */
- { 0xa344a1ea, 0x000001e1 } /* prep */
+ { 0x05BCF058UL, 0x000002E4UL }, /* cvt */
+ { 0x28233BF1UL, 0x000087C4UL }, /* fpgm */
+ { 0xA344A1EAUL, 0x000001E1UL } /* prep */
},
{ /* MingLiU 1996- */
- { 0x05bcf058, 0x000002e4 }, /* cvt */
- { 0x28233bf1, 0x000087c4 }, /* fpgm */
- { 0xa344a1eb, 0x000001e1 } /* prep */
+ { 0x05BCF058UL, 0x000002E4UL }, /* cvt */
+ { 0x28233BF1UL, 0x000087C4UL }, /* fpgm */
+ { 0xA344A1EBUL, 0x000001E1UL } /* prep */
},
{ /* DFKaiShu */
- { 0x11e5ead4, 0x00000350 }, /* cvt */
- { 0x5a30ca3b, 0x00009063 }, /* fpgm */
- { 0x13a42602, 0x0000007e } /* prep */
+ { 0x11E5EAD4UL, 0x00000350UL }, /* cvt */
+ { 0x5A30CA3BUL, 0x00009063UL }, /* fpgm */
+ { 0x13A42602UL, 0x0000007EUL } /* prep */
},
{ /* HuaTianKaiTi */
- { 0xfffbfffc, 0x00000008 }, /* cvt */
- { 0x9c9e48b8, 0x0000bea2 }, /* fpgm */
- { 0x70020112, 0x00000008 } /* prep */
+ { 0xFFFBFFFCUL, 0x00000008UL }, /* cvt */
+ { 0x9C9E48B8UL, 0x0000BEA2UL }, /* fpgm */
+ { 0x70020112UL, 0x00000008UL } /* prep */
},
{ /* HuaTianSongTi */
- { 0xfffbfffc, 0x00000008 }, /* cvt */
- { 0x0a5a0483, 0x00017c39 }, /* fpgm */
- { 0x70020112, 0x00000008 } /* prep */
+ { 0xFFFBFFFCUL, 0x00000008UL }, /* cvt */
+ { 0x0A5A0483UL, 0x00017C39UL }, /* fpgm */
+ { 0x70020112UL, 0x00000008UL } /* prep */
},
{ /* NEC fadpop7.ttf */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x40c92555, 0x000000e5 }, /* fpgm */
- { 0xa39b58e3, 0x0000117c } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x40C92555UL, 0x000000E5UL }, /* fpgm */
+ { 0xA39B58E3UL, 0x0000117CUL } /* prep */
},
{ /* NEC fadrei5.ttf */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x33c41652, 0x000000e5 }, /* fpgm */
- { 0x26d6c52a, 0x00000f6a } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x33C41652UL, 0x000000E5UL }, /* fpgm */
+ { 0x26D6C52AUL, 0x00000F6AUL } /* prep */
},
{ /* NEC fangot7.ttf */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x6db1651d, 0x0000019d }, /* fpgm */
- { 0x6c6e4b03, 0x00002492 } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x6DB1651DUL, 0x0000019DUL }, /* fpgm */
+ { 0x6C6E4B03UL, 0x00002492UL } /* prep */
},
{ /* NEC fangyo5.ttf */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x40c92555, 0x000000e5 }, /* fpgm */
- { 0xde51fad0, 0x0000117c } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x40C92555UL, 0x000000E5UL }, /* fpgm */
+ { 0xDE51FAD0UL, 0x0000117CUL } /* prep */
},
{ /* NEC fankyo5.ttf */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x85e47664, 0x000000e5 }, /* fpgm */
- { 0xa6c62831, 0x00001caa } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x85E47664UL, 0x000000E5UL }, /* fpgm */
+ { 0xA6C62831UL, 0x00001CAAUL } /* prep */
},
{ /* NEC fanrgo5.ttf */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x2d891cfd, 0x0000019d }, /* fpgm */
- { 0xa0604633, 0x00001de8 } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x2D891CFDUL, 0x0000019DUL }, /* fpgm */
+ { 0xA0604633UL, 0x00001DE8UL } /* prep */
},
{ /* NEC fangot5.ttc */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x40aa774c, 0x000001cb }, /* fpgm */
- { 0x9b5caa96, 0x00001f9a } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x40AA774CUL, 0x000001CBUL }, /* fpgm */
+ { 0x9B5CAA96UL, 0x00001F9AUL } /* prep */
},
{ /* NEC fanmin3.ttc */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x0d3de9cb, 0x00000141 }, /* fpgm */
- { 0xd4127766, 0x00002280 } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x0D3DE9CBUL, 0x00000141UL }, /* fpgm */
+ { 0xD4127766UL, 0x00002280UL } /* prep */
},
{ /* NEC FA-Gothic, 1996 */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x4a692698, 0x000001f0 }, /* fpgm */
- { 0x340d4346, 0x00001fca } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x4A692698UL, 0x000001F0UL }, /* fpgm */
+ { 0x340D4346UL, 0x00001FCAUL } /* prep */
},
{ /* NEC FA-Minchou, 1996 */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0xcd34c604, 0x00000166 }, /* fpgm */
- { 0x6cf31046, 0x000022b0 } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0xCD34C604UL, 0x00000166UL }, /* fpgm */
+ { 0x6CF31046UL, 0x000022B0UL } /* prep */
},
{ /* NEC FA-RoundGothicB, 1996 */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0x5da75315, 0x0000019d }, /* fpgm */
- { 0x40745a5f, 0x000022e0 } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0x5DA75315UL, 0x0000019DUL }, /* fpgm */
+ { 0x40745A5FUL, 0x000022E0UL } /* prep */
},
{ /* NEC FA-RoundGothicM, 1996 */
- { 0x00000000, 0x00000000 }, /* cvt */
- { 0xf055fc48, 0x000001c2 }, /* fpgm */
- { 0x3900ded3, 0x00001e18 } /* prep */
+ { 0x00000000UL, 0x00000000UL }, /* cvt */
+ { 0xF055FC48UL, 0x000001C2UL }, /* fpgm */
+ { 0x3900DED3UL, 0x00001E18UL } /* prep */
}
};
@@ -760,7 +760,9 @@
if ( !exec )
return FT_THROW( Could_Not_Find_Context );
- TT_Load_Context( exec, face, size );
+ error = TT_Load_Context( exec, face, size );
+ if ( error )
+ return error;
exec->callTop = 0;
exec->top = 0;
@@ -801,18 +803,16 @@
if ( face->font_program_size > 0 )
{
- error = TT_Goto_CodeRange( exec, tt_coderange_font, 0 );
+ TT_Goto_CodeRange( exec, tt_coderange_font, 0 );
- if ( !error )
- {
- FT_TRACE4(( "Executing `fpgm' table.\n" ));
-
- error = face->interpreter( exec );
- }
+ FT_TRACE4(( "Executing `fpgm' table.\n" ));
+ error = face->interpreter( exec );
}
else
error = FT_Err_Ok;
+ size->bytecode_ready = error;
+
if ( !error )
TT_Save_Context( exec, size );
@@ -854,7 +854,9 @@
if ( !exec )
return FT_THROW( Could_Not_Find_Context );
- TT_Load_Context( exec, face, size );
+ error = TT_Load_Context( exec, face, size );
+ if ( error )
+ return error;
exec->callTop = 0;
exec->top = 0;
@@ -872,9 +874,9 @@
if ( face->cvt_program_size > 0 )
{
- error = TT_Goto_CodeRange( exec, tt_coderange_cvt, 0 );
+ TT_Goto_CodeRange( exec, tt_coderange_cvt, 0 );
- if ( !error && !size->debug )
+ if ( !size->debug )
{
FT_TRACE4(( "Executing `prep' table.\n" ));
@@ -884,6 +886,8 @@
else
error = FT_Err_Ok;
+ size->cvt_ready = error;
+
/* UNDOCUMENTED! The MS rasterizer doesn't allow the following */
/* graphics state variables to be modified by the CVT program. */
@@ -912,10 +916,6 @@
return error;
}
-#endif /* TT_USE_BYTECODE_INTERPRETER */
-
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
static void
tt_size_done_bytecode( FT_Size ftsize )
@@ -953,8 +953,8 @@
size->max_func = 0;
size->max_ins = 0;
- size->bytecode_ready = 0;
- size->cvt_ready = 0;
+ size->bytecode_ready = -1;
+ size->cvt_ready = -1;
}
@@ -968,14 +968,13 @@
TT_Size size = (TT_Size)ftsize;
TT_Face face = (TT_Face)ftsize->face;
FT_Memory memory = face->root.memory;
- FT_Int i;
FT_UShort n_twilight;
TT_MaxProfile* maxp = &face->max_profile;
- size->bytecode_ready = 1;
- size->cvt_ready = 0;
+ size->bytecode_ready = -1;
+ size->cvt_ready = -1;
size->max_function_defs = maxp->maxFunctionDefs;
size->max_instruction_defs = maxp->maxInstructionDefs;
@@ -997,9 +996,11 @@
metrics->rotated = FALSE;
metrics->stretched = FALSE;
- /* set default compensation (all 0) */
- for ( i = 0; i < 4; i++ )
- metrics->compensations[i] = 0;
+ /* set default engine compensation */
+ metrics->compensations[0] = 0; /* gray */
+ metrics->compensations[1] = 0; /* black */
+ metrics->compensations[2] = 0; /* white */
+ metrics->compensations[3] = 0; /* reserved */
}
/* allocate function defs, instruction defs, cvt, and storage area */
@@ -1052,15 +1053,14 @@
FT_Error error = FT_Err_Ok;
- if ( !size->bytecode_ready )
- {
+ if ( size->bytecode_ready < 0 )
error = tt_size_init_bytecode( (FT_Size)size, pedantic );
- if ( error )
- goto Exit;
- }
+
+ if ( error || size->bytecode_ready )
+ goto Exit;
/* rescale CVT when needed */
- if ( !size->cvt_ready )
+ if ( size->cvt_ready < 0 )
{
FT_UInt i;
TT_Face face = (TT_Face)size->root.face;
@@ -1087,8 +1087,6 @@
size->GS = tt_default_graphics_state;
error = tt_size_run_prep( size, pedantic );
- if ( !error )
- size->cvt_ready = 1;
}
Exit:
@@ -1118,9 +1116,10 @@
TT_Size size = (TT_Size)ttsize;
FT_Error error = FT_Err_Ok;
+
#ifdef TT_USE_BYTECODE_INTERPRETER
- size->bytecode_ready = 0;
- size->cvt_ready = 0;
+ size->bytecode_ready = -1;
+ size->cvt_ready = -1;
#endif
size->ttmetrics.valid = FALSE;
@@ -1148,8 +1147,7 @@
#ifdef TT_USE_BYTECODE_INTERPRETER
- if ( size->bytecode_ready )
- tt_size_done_bytecode( ttsize );
+ tt_size_done_bytecode( ttsize );
#endif
size->ttmetrics.valid = FALSE;
@@ -1229,7 +1227,7 @@
}
#ifdef TT_USE_BYTECODE_INTERPRETER
- size->cvt_ready = 0;
+ size->cvt_ready = -1;
#endif /* TT_USE_BYTECODE_INTERPRETER */
if ( !error )
diff --git a/freetype/src/truetype/ttobjs.h b/freetype/src/truetype/ttobjs.h
index bcd776532..f029923d3 100644
--- a/freetype/src/truetype/ttobjs.h
+++ b/freetype/src/truetype/ttobjs.h
@@ -4,7 +4,7 @@
/* */
/* Objects manager (specification). */
/* */
-/* Copyright 1996-2009, 2011-2013 by */
+/* Copyright 1996-2009, 2011-2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -95,8 +95,8 @@ FT_BEGIN_HEADER
FT_F26Dot6 control_value_cutin;
FT_F26Dot6 single_width_cutin;
FT_F26Dot6 single_width_value;
- FT_Short delta_base;
- FT_Short delta_shift;
+ FT_UShort delta_base;
+ FT_UShort delta_shift;
FT_Byte instruct_control;
/* According to Greg Hitchcock from Microsoft, the `scan_control' */
@@ -333,8 +333,10 @@ FT_BEGIN_HEADER
FT_Bool debug;
TT_ExecContext context;
- FT_Bool bytecode_ready;
- FT_Bool cvt_ready;
+ /* if negative, `fpgm' (resp. `prep'), wasn't executed yet; */
+ /* otherwise it is the returned error code */
+ FT_Error bytecode_ready;
+ FT_Error cvt_ready;
#endif /* TT_USE_BYTECODE_INTERPRETER */
diff --git a/freetype/src/truetype/ttpload.c b/freetype/src/truetype/ttpload.c
index 2ee5d38b8..33bca68fe 100644
--- a/freetype/src/truetype/ttpload.c
+++ b/freetype/src/truetype/ttpload.c
@@ -508,9 +508,9 @@
record_size = FT_NEXT_ULONG( p );
/* The maximum number of bytes in an hdmx device record is the */
- /* maximum number of glyphs + 2; this is 0xFFFF + 2; this is */
- /* the reason why `record_size' is a long (which we read as */
- /* unsigned long for convenience). In practice, two bytes */
+ /* maximum number of glyphs + 2; this is 0xFFFF + 2, thus */
+ /* explaining why `record_size' is a long (which we read as */
+ /* unsigned long for convenience). In practice, two bytes are */
/* sufficient to hold the size value. */
/* */
/* There are at least two fonts, HANNOM-A and HANNOM-B version */
@@ -522,8 +522,10 @@
record_size &= 0xFFFFU;
/* The limit for `num_records' is a heuristic value. */
-
- if ( version != 0 || num_records > 255 || record_size > 0x10001L )
+ if ( version != 0 ||
+ num_records > 255 ||
+ record_size > 0x10001L ||
+ record_size < 4 )
{
error = FT_THROW( Invalid_File_Format );
goto Fail;
diff --git a/freetype/src/truetype/ttsubpix.c b/freetype/src/truetype/ttsubpix.c
index 1f11d8d20..9955021f1 100644
--- a/freetype/src/truetype/ttsubpix.c
+++ b/freetype/src/truetype/ttsubpix.c
@@ -282,7 +282,7 @@
const SPH_TweakRule COMPATIBILITY_MODE_Rules
[COMPATIBILITY_MODE_RULES_SIZE] =
{
- { "-", 0, "", 0 },
+ { "Verdana Clones", 0, "", 0 },
};
@@ -956,7 +956,7 @@
if ( loader->exec->rasterizer_version != TT_INTERPRETER_VERSION_35 )
{
loader->exec->rasterizer_version = TT_INTERPRETER_VERSION_35;
- loader->exec->size->cvt_ready = FALSE;
+ loader->exec->size->cvt_ready = -1;
tt_size_ready_bytecode(
loader->exec->size,
@@ -971,7 +971,7 @@
SPH_OPTION_SET_RASTERIZER_VERSION )
{
loader->exec->rasterizer_version = SPH_OPTION_SET_RASTERIZER_VERSION;
- loader->exec->size->cvt_ready = FALSE;
+ loader->exec->size->cvt_ready = -1;
tt_size_ready_bytecode(
loader->exec->size,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 13:37:47 +0000