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-rw-r--r--src/3rdparty/freetype/src/truetype/ttobjs.c671
1 files changed, 385 insertions, 286 deletions
diff --git a/src/3rdparty/freetype/src/truetype/ttobjs.c b/src/3rdparty/freetype/src/truetype/ttobjs.c
index 6685dc8196..5b56af711d 100644
--- a/src/3rdparty/freetype/src/truetype/ttobjs.c
+++ b/src/3rdparty/freetype/src/truetype/ttobjs.c
@@ -1,27 +1,26 @@
-/***************************************************************************/
-/* */
-/* ttobjs.c */
-/* */
-/* Objects manager (body). */
-/* */
-/* Copyright 1996-2018 by */
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
-
-
-#include <ft2build.h>
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include FT_TRUETYPE_TAGS_H
-#include FT_INTERNAL_SFNT_H
-#include FT_DRIVER_H
+/****************************************************************************
+ *
+ * ttobjs.c
+ *
+ * Objects manager (body).
+ *
+ * Copyright (C) 1996-2023 by
+ * David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+
+#include <freetype/internal/ftdebug.h>
+#include <freetype/internal/ftstream.h>
+#include <freetype/tttags.h>
+#include <freetype/internal/sfnt.h>
+#include <freetype/ftdriver.h>
#include "ttgload.h"
#include "ttpload.h"
@@ -36,36 +35,37 @@
#include "ttgxvar.h"
#endif
- /*************************************************************************/
- /* */
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
- /* messages during execution. */
- /* */
+ /**************************************************************************
+ *
+ * The macro FT_COMPONENT is used in trace mode. It is an implicit
+ * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
+ * messages during execution.
+ */
#undef FT_COMPONENT
-#define FT_COMPONENT trace_ttobjs
+#define FT_COMPONENT ttobjs
#ifdef TT_USE_BYTECODE_INTERPRETER
- /*************************************************************************/
- /* */
- /* GLYPH ZONE FUNCTIONS */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_glyphzone_done */
- /* */
- /* <Description> */
- /* Deallocate a glyph zone. */
- /* */
- /* <Input> */
- /* zone :: A pointer to the target glyph zone. */
- /* */
+ /**************************************************************************
+ *
+ * GLYPH ZONE FUNCTIONS
+ *
+ */
+
+
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_glyphzone_done
+ *
+ * @Description:
+ * Deallocate a glyph zone.
+ *
+ * @Input:
+ * zone ::
+ * A pointer to the target glyph zone.
+ */
FT_LOCAL_DEF( void )
tt_glyphzone_done( TT_GlyphZone zone )
{
@@ -87,27 +87,31 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_glyphzone_new */
- /* */
- /* <Description> */
- /* Allocate a new glyph zone. */
- /* */
- /* <Input> */
- /* memory :: A handle to the current memory object. */
- /* */
- /* maxPoints :: The capacity of glyph zone in points. */
- /* */
- /* maxContours :: The capacity of glyph zone in contours. */
- /* */
- /* <Output> */
- /* zone :: A pointer to the target glyph zone record. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_glyphzone_new
+ *
+ * @Description:
+ * Allocate a new glyph zone.
+ *
+ * @Input:
+ * memory ::
+ * A handle to the current memory object.
+ *
+ * maxPoints ::
+ * The capacity of glyph zone in points.
+ *
+ * maxContours ::
+ * The capacity of glyph zone in contours.
+ *
+ * @Output:
+ * zone ::
+ * A pointer to the target glyph zone record.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_glyphzone_new( FT_Memory memory,
FT_UShort maxPoints,
@@ -136,18 +140,42 @@
return error;
}
-#endif /* TT_USE_BYTECODE_INTERPRETER */
+
+
+ /*
+ * Fonts embedded in PDFs are made unique by prepending randomization
+ * prefixes to their names: as defined in Section 5.5.3, 'Font Subsets',
+ * of the PDF Reference, they consist of 6 uppercase letters followed by
+ * the `+` sign. For safety, we do not skip prefixes violating this rule.
+ */
+
+ static const FT_String*
+ tt_skip_pdffont_random_tag( const FT_String* name )
+ {
+ unsigned int i;
+
+
+ if ( ft_strlen( name ) < 8 || name[6] != '+' )
+ return name;
+
+ for ( i = 0; i < 6; i++ )
+ if ( !ft_isupper( name[i] ) )
+ return name;
+
+ FT_TRACE7(( "name without randomization tag: %s\n", name + 7 ));
+ return name + 7;
+ }
/* Compare the face with a list of well-known `tricky' fonts. */
/* This list shall be expanded as we find more of them. */
static FT_Bool
- tt_check_trickyness_family( FT_String* name )
+ tt_check_trickyness_family( const FT_String* name )
{
#define TRICK_NAMES_MAX_CHARACTERS 19
-#define TRICK_NAMES_COUNT 26
+#define TRICK_NAMES_COUNT 20
static const char trick_names[TRICK_NAMES_COUNT]
[TRICK_NAMES_MAX_CHARACTERS + 1] =
@@ -167,22 +195,28 @@
"DFGirl-W6-WIN-BF", /* dftt-h6.ttf; version 1.00, 1993 */
"DFGothic-EB", /* DynaLab Inc. 1992-1995 */
"DFGyoSho-Lt", /* DynaLab Inc. 1992-1995 */
- "DFHei-Md-HK-BF", /* maybe DynaLab Inc. */
+ "DFHei", /* DynaLab Inc. 1992-1995 [DFHei-Bd-WIN-HK-BF] */
+ /* covers "DFHei-Md-HK-BF", maybe DynaLab Inc. */
+
"DFHSGothic-W5", /* DynaLab Inc. 1992-1995 */
"DFHSMincho-W3", /* DynaLab Inc. 1992-1995 */
"DFHSMincho-W7", /* DynaLab Inc. 1992-1995 */
"DFKaiSho-SB", /* dfkaisb.ttf */
- "DFKaiShu",
- "DFKaiShu-Md-HK-BF", /* maybe DynaLab Inc. */
+ "DFKaiShu", /* covers "DFKaiShu-Md-HK-BF", maybe DynaLab Inc. */
"DFKai-SB", /* kaiu.ttf; version 3.00, 1998 [DFKaiShu-SB-Estd-BF] */
- "DFMing-Bd-HK-BF", /* maybe DynaLab Inc. */
+
+ "DFMing", /* DynaLab Inc. 1992-1995 [DFMing-Md-WIN-HK-BF] */
+ /* covers "DFMing-Bd-HK-BF", maybe DynaLab Inc. */
+
"DLC", /* dftt-m7.ttf; version 1.00, 1993 [DLCMingBold] */
/* dftt-f5.ttf; version 1.00, 1993 [DLCFongSung] */
- "DLCHayMedium", /* dftt-b5.ttf; version 1.00, 1993 */
- "DLCHayBold", /* dftt-b7.ttf; version 1.00, 1993 */
- "DLCKaiMedium", /* dftt-k5.ttf; version 1.00, 1992 */
- "DLCLiShu", /* dftt-l5.ttf; version 1.00, 1992 */
- "DLCRoundBold", /* dftt-r7.ttf; version 1.00, 1993 */
+ /* covers following */
+ /* "DLCHayMedium", dftt-b5.ttf; version 1.00, 1993 */
+ /* "DLCHayBold", dftt-b7.ttf; version 1.00, 1993 */
+ /* "DLCKaiMedium", dftt-k5.ttf; version 1.00, 1992 */
+ /* "DLCLiShu", dftt-l5.ttf; version 1.00, 1992 */
+ /* "DLCRoundBold", dftt-r7.ttf; version 1.00, 1993 */
+
"HuaTianKaiTi?", /* htkt2.ttf */
"HuaTianSongTi?", /* htst3.ttf */
"Ming(for ISO10646)", /* hkscsiic.ttf; version 0.12, 2007 [Ming] */
@@ -195,10 +229,12 @@
};
int nn;
+ const FT_String* name_without_tag;
+ name_without_tag = tt_skip_pdffont_random_tag( name );
for ( nn = 0; nn < TRICK_NAMES_COUNT; nn++ )
- if ( ft_strstr( name, trick_names[nn] ) )
+ if ( ft_strstr( name_without_tag, trick_names[nn] ) )
return TRUE;
return FALSE;
@@ -273,10 +309,11 @@
tt_check_trickyness_sfnt_ids( TT_Face face )
{
#define TRICK_SFNT_IDS_PER_FACE 3
-#define TRICK_SFNT_IDS_NUM_FACES 29
+#define TRICK_SFNT_IDS_NUM_FACES 31
static const tt_sfnt_id_rec sfnt_id[TRICK_SFNT_IDS_NUM_FACES]
- [TRICK_SFNT_IDS_PER_FACE] = {
+ [TRICK_SFNT_IDS_PER_FACE] =
+ {
#define TRICK_SFNT_ID_cvt 0
#define TRICK_SFNT_ID_fpgm 1
@@ -426,6 +463,16 @@
{ 0x00170003UL, 0x00000060UL }, /* cvt */
{ 0xDBB4306EUL, 0x000058AAUL }, /* fpgm */
{ 0xD643482AUL, 0x00000035UL } /* prep */
+ },
+ { /* DFHei-Bd-WIN-HK-BF, issue #1087 */
+ { 0x1269EB58UL, 0x00000350UL }, /* cvt */
+ { 0x5CD5957AUL, 0x00006A4EUL }, /* fpgm */
+ { 0xF758323AUL, 0x00000380UL } /* prep */
+ },
+ { /* DFMing-Md-WIN-HK-BF, issue #1087 */
+ { 0x122FEB0BUL, 0x00000350UL }, /* cvt */
+ { 0x7F10919AUL, 0x000070A9UL }, /* fpgm */
+ { 0x7CD7E7B7UL, 0x0000025CUL } /* prep */
}
};
@@ -506,17 +553,27 @@
/* For first, check the face name for quick check. */
if ( face->family_name &&
tt_check_trickyness_family( face->family_name ) )
+ {
+ FT_TRACE3(( "found as a tricky font"
+ " by its family name: %s\n", face->family_name ));
return TRUE;
+ }
/* Type42 fonts may lack `name' tables, we thus try to identify */
/* tricky fonts by checking the checksums of Type42-persistent */
/* sfnt tables (`cvt', `fpgm', and `prep'). */
if ( tt_check_trickyness_sfnt_ids( (TT_Face)face ) )
+ {
+ FT_TRACE3(( "found as a tricky font"
+ " by its cvt/fpgm/prep table checksum\n" ));
return TRUE;
+ }
return FALSE;
}
+#endif /* TT_USE_BYTECODE_INTERPRETER */
+
/* Check whether `.notdef' is the only glyph in the `loca' table. */
static FT_Bool
@@ -525,7 +582,7 @@
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;
@@ -533,7 +590,7 @@
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;
@@ -566,32 +623,37 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_face_init */
- /* */
- /* <Description> */
- /* Initialize a given TrueType face object. */
- /* */
- /* <Input> */
- /* stream :: The source font stream. */
- /* */
- /* face_index :: The index of the TrueType font, if we are opening a */
- /* collection, in bits 0-15. The numbered instance */
- /* index~+~1 of a GX (sub)font, if applicable, in bits */
- /* 16-30. */
- /* */
- /* num_params :: Number of additional generic parameters. Ignored. */
- /* */
- /* params :: Additional generic parameters. Ignored. */
- /* */
- /* <InOut> */
- /* face :: The newly built face object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_face_init
+ *
+ * @Description:
+ * Initialize a given TrueType face object.
+ *
+ * @Input:
+ * stream ::
+ * The source font stream.
+ *
+ * face_index ::
+ * The index of the TrueType font, if we are opening a
+ * collection, in bits 0-15. The numbered instance
+ * index~+~1 of a GX (sub)font, if applicable, in bits
+ * 16-30.
+ *
+ * num_params ::
+ * Number of additional generic parameters. Ignored.
+ *
+ * params ::
+ * Additional generic parameters. Ignored.
+ *
+ * @InOut:
+ * face ::
+ * The newly built face object.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_face_init( FT_Stream stream,
FT_Face ttface, /* TT_Face */
@@ -657,14 +719,17 @@
if ( error )
goto Exit;
+#ifdef TT_USE_BYTECODE_INTERPRETER
if ( tt_check_trickyness( ttface ) )
ttface->face_flags |= FT_FACE_FLAG_TRICKY;
+#endif
error = tt_face_load_hdmx( face, stream );
if ( error )
goto Exit;
- if ( FT_IS_SCALABLE( ttface ) )
+ if ( FT_IS_SCALABLE( ttface ) ||
+ FT_HAS_SBIX( ttface ) )
{
#ifdef FT_CONFIG_OPTION_INCREMENTAL
if ( !ttface->internal->incremental_interface )
@@ -703,8 +768,8 @@
tt_check_single_notdef( ttface ) )
{
FT_TRACE5(( "tt_face_init:"
- " Only the `.notdef' glyph has an outline.\n"
- " "
+ " Only the `.notdef' glyph has an outline.\n" ));
+ FT_TRACE5(( " "
" Resetting scalable flag to FALSE.\n" ));
ttface->face_flags &= ~FT_FACE_FLAG_SCALABLE;
@@ -713,7 +778,6 @@
}
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
-
{
FT_UInt instance_index = (FT_UInt)face_index >> 16;
@@ -721,14 +785,11 @@
if ( FT_HAS_MULTIPLE_MASTERS( ttface ) &&
instance_index > 0 )
{
- error = TT_Set_Named_Instance( face, instance_index );
+ error = FT_Set_Named_Instance( ttface, instance_index );
if ( error )
goto Exit;
-
- tt_apply_mvar( face );
}
}
-
#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */
/* initialize standard glyph loading routines */
@@ -743,17 +804,18 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_face_done */
- /* */
- /* <Description> */
- /* Finalize a given face object. */
- /* */
- /* <Input> */
- /* face :: A pointer to the face object to destroy. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_face_done
+ *
+ * @Description:
+ * Finalize a given face object.
+ *
+ * @Input:
+ * face ::
+ * A pointer to the face object to destroy.
+ */
FT_LOCAL_DEF( void )
tt_face_done( FT_Face ttface ) /* TT_Face */
{
@@ -793,36 +855,38 @@
face->cvt_program_size = 0;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
- tt_done_blend( face );
+ tt_done_blend( ttface );
face->blend = NULL;
#endif
}
- /*************************************************************************/
- /* */
- /* SIZE FUNCTIONS */
- /* */
- /*************************************************************************/
+ /**************************************************************************
+ *
+ * SIZE FUNCTIONS
+ *
+ */
#ifdef TT_USE_BYTECODE_INTERPRETER
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_run_fpgm */
- /* */
- /* <Description> */
- /* Run the font program. */
- /* */
- /* <Input> */
- /* size :: A handle to the size object. */
- /* */
- /* pedantic :: Set if bytecode execution should be pedantic. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_size_run_fpgm
+ *
+ * @Description:
+ * Run the font program.
+ *
+ * @Input:
+ * size ::
+ * A handle to the size object.
+ *
+ * pedantic ::
+ * Set if bytecode execution should be pedantic.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_size_run_fpgm( TT_Size size,
FT_Bool pedantic )
@@ -899,22 +963,24 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_run_prep */
- /* */
- /* <Description> */
- /* Run the control value program. */
- /* */
- /* <Input> */
- /* size :: A handle to the size object. */
- /* */
- /* pedantic :: Set if bytecode execution should be pedantic. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_size_run_prep
+ *
+ * @Description:
+ * Run the control value program.
+ *
+ * @Input:
+ * size ::
+ * A handle to the size object.
+ *
+ * pedantic ::
+ * Set if bytecode execution should be pedantic.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_size_run_prep( TT_Size size,
FT_Bool pedantic )
@@ -922,8 +988,23 @@
TT_Face face = (TT_Face)size->root.face;
TT_ExecContext exec;
FT_Error error;
+ FT_UInt i;
+
+ /* unscaled CVT values are already stored in 26.6 format */
+ FT_Fixed scale = size->ttmetrics.scale >> 6;
+ /* Scale the cvt values to the new ppem. */
+ /* By default, we use the y ppem value for scaling. */
+ FT_TRACE6(( "CVT values:\n" ));
+ for ( i = 0; i < size->cvt_size; i++ )
+ {
+ size->cvt[i] = FT_MulFix( face->cvt[i], scale );
+ FT_TRACE6(( " %3d: %f (%f)\n",
+ i, (double)face->cvt[i] / 64, (double)size->cvt[i] / 64 ));
+ }
+ FT_TRACE6(( "\n" ));
+
exec = size->context;
error = TT_Load_Context( exec, face, size );
@@ -1079,11 +1160,17 @@
tt_metrics->rotated = FALSE;
tt_metrics->stretched = FALSE;
- /* set default engine compensation */
- tt_metrics->compensations[0] = 0; /* gray */
- tt_metrics->compensations[1] = 0; /* black */
- tt_metrics->compensations[2] = 0; /* white */
- tt_metrics->compensations[3] = 0; /* reserved */
+ /* Set default engine compensation. Value 3 is not described */
+ /* in the OpenType specification (as of Mai 2019), but Greg */
+ /* says that MS handles it the same as `gray'. */
+ /* */
+ /* The Apple specification says that the compensation for */
+ /* `gray' is always zero. FreeType doesn't do any */
+ /* compensation at all. */
+ tt_metrics->compensations[0] = 0; /* gray */
+ tt_metrics->compensations[1] = 0; /* black */
+ tt_metrics->compensations[2] = 0; /* white */
+ tt_metrics->compensations[3] = 0; /* zero */
}
/* allocate function defs, instruction defs, cvt, and storage area */
@@ -1155,17 +1242,11 @@
/* rescale CVT when needed */
if ( size->cvt_ready < 0 )
{
- FT_UInt i;
- TT_Face face = (TT_Face)size->root.face;
-
+ FT_UShort i;
- /* Scale the cvt values to the new ppem. */
- /* We use by default the y ppem to scale the CVT. */
- for ( i = 0; i < size->cvt_size; i++ )
- size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale );
/* all twilight points are originally zero */
- for ( i = 0; i < (FT_UInt)size->twilight.n_points; i++ )
+ for ( i = 0; i < size->twilight.n_points; i++ )
{
size->twilight.org[i].x = 0;
size->twilight.org[i].y = 0;
@@ -1174,7 +1255,7 @@
}
/* clear storage area */
- for ( i = 0; i < (FT_UInt)size->storage_size; i++ )
+ for ( i = 0; i < size->storage_size; i++ )
size->storage[i] = 0;
size->GS = tt_default_graphics_state;
@@ -1191,20 +1272,21 @@
#endif /* TT_USE_BYTECODE_INTERPRETER */
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_init */
- /* */
- /* <Description> */
- /* Initialize a new TrueType size object. */
- /* */
- /* <InOut> */
- /* size :: A handle to the size object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_size_init
+ *
+ * @Description:
+ * Initialize a new TrueType size object.
+ *
+ * @InOut:
+ * size ::
+ * A handle to the size object.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_size_init( FT_Size ttsize ) /* TT_Size */
{
@@ -1224,17 +1306,18 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_done */
- /* */
- /* <Description> */
- /* The TrueType size object finalizer. */
- /* */
- /* <Input> */
- /* size :: A handle to the target size object. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_size_done
+ *
+ * @Description:
+ * The TrueType size object finalizer.
+ *
+ * @Input:
+ * size ::
+ * A handle to the target size object.
+ */
FT_LOCAL_DEF( void )
tt_size_done( FT_Size ttsize ) /* TT_Size */
{
@@ -1249,40 +1332,32 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_reset */
- /* */
- /* <Description> */
- /* Reset a TrueType size when resolutions and character dimensions */
- /* have been changed. */
- /* */
- /* <Input> */
- /* size :: A handle to the target size object. */
- /* */
- /* only_height :: Only recompute ascender, descender, and height; */
- /* this flag is used for variation fonts where */
- /* `tt_size_reset' is used as an iterator function. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_size_reset_height
+ *
+ * @Description:
+ * Recompute a TrueType size's ascender, descender, and height
+ * when resolutions and character dimensions have been changed.
+ * Used for variation fonts as an iterator function.
+ *
+ * @Input:
+ * ft_size ::
+ * A handle to the target TT_Size object. This function will be called
+ * through a `FT_Size_Reset_Func` pointer which takes `FT_Size`. This
+ * function must take `FT_Size` as a result. The passed `FT_Size` is
+ * expected to point to a `TT_Size`.
+ */
FT_LOCAL_DEF( FT_Error )
- tt_size_reset( TT_Size size,
- FT_Bool only_height )
+ tt_size_reset_height( FT_Size ft_size )
{
- TT_Face face;
- FT_Size_Metrics* size_metrics;
-
-
- face = (TT_Face)size->root.face;
-
- /* nothing to do for CFF2 */
- if ( face->is_cff2 )
- return FT_Err_Ok;
+ TT_Size size = (TT_Size)ft_size;
+ TT_Face face = (TT_Face)size->root.face;
+ FT_Size_Metrics* size_metrics = &size->hinted_metrics;
size->ttmetrics.valid = FALSE;
- size_metrics = &size->hinted_metrics;
-
/* copy the result from base layer */
*size_metrics = size->root.metrics;
@@ -1309,12 +1384,34 @@
size->ttmetrics.valid = TRUE;
- if ( only_height )
- {
- /* we must not recompute the scaling values here since */
- /* `tt_size_reset' was already called (with only_height = 0) */
- return FT_Err_Ok;
- }
+ return FT_Err_Ok;
+ }
+
+
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_size_reset
+ *
+ * @Description:
+ * Reset a TrueType size when resolutions and character dimensions
+ * have been changed.
+ *
+ * @Input:
+ * size ::
+ * A handle to the target size object.
+ */
+ FT_LOCAL_DEF( FT_Error )
+ tt_size_reset( TT_Size size )
+ {
+ FT_Error error;
+ TT_Face face = (TT_Face)size->root.face;
+ FT_Size_Metrics* size_metrics = &size->hinted_metrics;
+
+
+ error = tt_size_reset_height( (FT_Size)size );
+ if ( error )
+ return error;
if ( face->header.Flags & 8 )
{
@@ -1348,6 +1445,8 @@
size->ttmetrics.y_ratio = 0x10000L;
}
+ size->widthp = tt_face_get_device_metrics( face, size_metrics->x_ppem, 0 );
+
size->metrics = size_metrics;
#ifdef TT_USE_BYTECODE_INTERPRETER
@@ -1358,20 +1457,21 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_driver_init */
- /* */
- /* <Description> */
- /* Initialize a given TrueType driver object. */
- /* */
- /* <Input> */
- /* driver :: A handle to the target driver object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_driver_init
+ *
+ * @Description:
+ * Initialize a given TrueType driver object.
+ *
+ * @Input:
+ * driver ::
+ * A handle to the target driver object.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_driver_init( FT_Module ttdriver ) /* TT_Driver */
{
@@ -1381,9 +1481,6 @@
TT_Driver driver = (TT_Driver)ttdriver;
driver->interpreter_version = TT_INTERPRETER_VERSION_35;
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- driver->interpreter_version = TT_INTERPRETER_VERSION_38;
-#endif
#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
driver->interpreter_version = TT_INTERPRETER_VERSION_40;
#endif
@@ -1398,17 +1495,18 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_driver_done */
- /* */
- /* <Description> */
- /* Finalize a given TrueType driver. */
- /* */
- /* <Input> */
- /* driver :: A handle to the target TrueType driver. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_driver_done
+ *
+ * @Description:
+ * Finalize a given TrueType driver.
+ *
+ * @Input:
+ * driver ::
+ * A handle to the target TrueType driver.
+ */
FT_LOCAL_DEF( void )
tt_driver_done( FT_Module ttdriver ) /* TT_Driver */
{
@@ -1416,20 +1514,21 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_slot_init */
- /* */
- /* <Description> */
- /* Initialize a new slot object. */
- /* */
- /* <InOut> */
- /* slot :: A handle to the slot object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_slot_init
+ *
+ * @Description:
+ * Initialize a new slot object.
+ *
+ * @InOut:
+ * slot ::
+ * A handle to the slot object.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_slot_init( FT_GlyphSlot slot )
{