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* src/pcf/pcfdrivr.c: Revert change from 2004-04-17. 

* src/pcf/pcfutil.c: Use FT_LOCAL_DEF.
* src/pcf/pcfutil.h: Include FT_CONFIG_CONFIG_H.
Use FT_BEGIN_HEADER and FT_END_HEADER.
Use FT_LOCAL.

2004-04-24  George Williams  <gww@silcom.com>

Add support for Apple's distortable font technology (in GX fonts).

* devel/ftoption.h, include/freetype/config/ftoption.h
(TT_CONFIG_OPTION_GX_VAR_SUPPORT): New macro.

* include/freetype/ftmm.h (FT_Var_Axis, FT_Var_Named_Style,
FT_MM_Var): New structures.
(FT_Get_MM_Var, FT_Set_Var_Design_Coordinates,
FT_Set_Var_Blend_Coordinates): New function declarations.

* include/freetype/internal/services/svmm.h (FT_Get_MM_Var_Func,
FT_Set_Var_Design_Func): New typedefs.
Update MultiMasters service.

* include/freetype/internal/tttypes.h
[TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include FT_MULTIPLE_MASTERS_H.
(GX_Blend) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New typedef.
(TT_Face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New members `doblend'
and `blend'.

* include/freetype/tttags.h (TTAG_avar, TTAG_cvar, TTAG_gvar): New
macros.

* include/freetype/internal/fttrace.h: Add `ttgxvar'.

* src/base/ftmm.c (FT_Get_MM_Var, FT_Set_Var_Design_Coordinates,
FT_Set_Var_Blend_Coordinates): New functions.

* src/sfnt/sfobjs.c (sfnt_load_face)
[TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Set FT_FACE_FLAG_MULTIPLE_MASTERS
flag for GX var fonts.

* src/truetype/ttgxvar.c, src/truetype/ttgxvar.h: New files.

* src/truetype/truetype.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.c.

* src/truetype/ttdriver.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
FT_MULTIPLE_MASTERS_H, FT_SERVICE_MULTIPLE_MASTERS_H, and ttgxvar.h.
(tt_service_gx_multi_masters) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]:
New service.
(tt_services) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Updated.

* src/truetype/ttgload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(TT_Process_Simple_Glyph, load_truetype_glyph)
[TT_CONFIG_OPTION_GX_VAR_SUPPORT] :Support GX var fonts.

* src/truetype/ttobjs.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(tt_done_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call
tt_done_blend.

* src/truetype/ttpload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(tt_face_load_cvt)  [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call
tt_face_vary_cvt.

* src/truetype/rules.mk (TT_DRV_SRC): Add ttgxvar.c.

* src/type1/t1driver.c (t1_service_multi_masters): Add T1_Get_MM_Var
and T1_Set_Var_Design.

* src/type1/t1load.c (FT_INT_TO_FIXED, FT_FIXED_TO_INT): New macros.
(T1_Get_MM_Var, T1_Set_Var_Design): New functions.

* src/type1/t1load.h (T1_Get_MM_Var, T1_Set_Var_Design): New
function declarations.
This commit is contained in:
Werner Lemberg 2004-04-25 20:15:11 +00:00
parent e95365b291
commit 44bb303510
25 changed files with 2423 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

81
ChangeLog
View File

@ -1,3 +1,82 @@
2004-04-24 Werner Lemberg <wl@gnu.org>
* src/pcf/pcfdrivr.c: Revert change from 2004-04-17.
* src/pcf/pcfutil.c: Use FT_LOCAL_DEF.
* src/pcf/pcfutil.h: Include FT_CONFIG_CONFIG_H.
Use FT_BEGIN_HEADER and FT_END_HEADER.
Use FT_LOCAL.
2004-04-24 George Williams <gww@silcom.com>
Add support for Apple's distortable font technology (in GX fonts).
* devel/ftoption.h, include/freetype/config/ftoption.h
(TT_CONFIG_OPTION_GX_VAR_SUPPORT): New macro.
* include/freetype/ftmm.h (FT_Var_Axis, FT_Var_Named_Style,
FT_MM_Var): New structures.
(FT_Get_MM_Var, FT_Set_Var_Design_Coordinates,
FT_Set_Var_Blend_Coordinates): New function declarations.
* include/freetype/internal/services/svmm.h (FT_Get_MM_Var_Func,
FT_Set_Var_Design_Func): New typedefs.
Update MultiMasters service.
* include/freetype/internal/tttypes.h
[TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include FT_MULTIPLE_MASTERS_H.
(GX_Blend) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New typedef.
(TT_Face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New members `doblend'
and `blend'.
* include/freetype/tttags.h (TTAG_avar, TTAG_cvar, TTAG_gvar): New
macros.
* include/freetype/internal/fttrace.h: Add `ttgxvar'.
* src/base/ftmm.c (FT_Get_MM_Var, FT_Set_Var_Design_Coordinates,
FT_Set_Var_Blend_Coordinates): New functions.
* src/sfnt/sfobjs.c (sfnt_load_face)
[TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Set FT_FACE_FLAG_MULTIPLE_MASTERS
flag for GX var fonts.
* src/truetype/ttgxvar.c, src/truetype/ttgxvar.h: New files.
* src/truetype/truetype.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.c.
* src/truetype/ttdriver.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
FT_MULTIPLE_MASTERS_H, FT_SERVICE_MULTIPLE_MASTERS_H, and ttgxvar.h.
(tt_service_gx_multi_masters) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]:
New service.
(tt_services) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Updated.
* src/truetype/ttgload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(TT_Process_Simple_Glyph, load_truetype_glyph)
[TT_CONFIG_OPTION_GX_VAR_SUPPORT] :Support GX var fonts.
* src/truetype/ttobjs.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(tt_done_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call
tt_done_blend.
* src/truetype/ttpload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(tt_face_load_cvt) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call
tt_face_vary_cvt.
* src/truetype/rules.mk (TT_DRV_SRC): Add ttgxvar.c.
* src/type1/t1driver.c (t1_service_multi_masters): Add T1_Get_MM_Var
and T1_Set_Var_Design.
* src/type1/t1load.c (FT_INT_TO_FIXED, FT_FIXED_TO_INT): New macros.
(T1_Get_MM_Var, T1_Set_Var_Design): New functions.
* src/type1/t1load.h (T1_Get_MM_Var, T1_Set_Var_Design): New
function declarations.
2004-04-23 Werner Lemberg <wl@gnu.org>
* include/freetype/ftcache.h (FT_Get_CharMap_Index): Rename
@ -69,7 +148,7 @@
* src/bdf/bdfdrivr.c (BDF_Face_Init): Use `ft_strlen'.
* src/pcf/pcfutil.c, src/pcf/pcfutil.h: Decorate functions with
`static.'.
`static'.
Remove unused function `RepadBitmap'.
* src/pcf/pcfdrivr.c: Don't include pcfutil.h.

10
devel/ftoption.h
View File

@ -483,6 +483,16 @@ FT_BEGIN_HEADER
#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED
/*************************************************************************/
/* */
/* Define TT_CONFIG_OPTION_GX_VAR_SUPPORT if you want to include */
/* support for Apple's distortable font technology (fvar, gvar, cvar, */
/* and avar tables). This has many similarities to Type 1 Multiple */
/* Masters support. */
/* */
#define TT_CONFIG_OPTION_GX_VAR_SUPPORT
/*************************************************************************/
/*************************************************************************/
/**** ****/

10
include/freetype/config/ftoption.h
View File

@ -483,6 +483,16 @@ FT_BEGIN_HEADER
#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED
/*************************************************************************/
/* */
/* Define TT_CONFIG_OPTION_GX_VAR_SUPPORT if you want to include */
/* support for Apple's distortable font technology (fvar, gvar, cvar, */
/* and avar tables). This has many similarities to Type 1 Multiple */
/* Masters support. */
/* */
#define TT_CONFIG_OPTION_GX_VAR_SUPPORT
/*************************************************************************/
/*************************************************************************/
/**** ****/

195
include/freetype/ftmm.h
View File

@ -4,7 +4,7 @@
/* */
/* FreeType Multiple Master font interface (specification). */
/* */
/* Copyright 1996-2001 by */
/* Copyright 1996-2001, 2003, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -43,6 +43,12 @@ FT_BEGIN_HEADER
/* Master fonts, i.e. the selection of specific design instances by */
/* setting design axis coordinates. */
/* */
/* George Williams has extended this interface to make it work with */
/* both Type 1 Multiple Masters fonts, and GX distortable (var) */
/* fonts. Some of these routines only work with MM fonts, others */
/* will work with both types. They are similar enough that a */
/* consistent interface makes sense. */
/* */
/*************************************************************************/
@ -55,6 +61,8 @@ FT_BEGIN_HEADER
/* A simple structure used to model a given axis in design space for */
/* Multiple Masters fonts. */
/* */
/* This structure can't be used for GX var fonts. */
/* */
/* <Fields> */
/* name :: The axis's name. */
/* */
@ -80,6 +88,8 @@ FT_BEGIN_HEADER
/* A structure used to model the axes and space of a Multiple Masters */
/* font. */
/* */
/* This structure can't be used for GX var fonts. */
/* */
/* <Fields> */
/* num_axis :: Number of axes. Cannot exceed 4. */
/* */
@ -98,8 +108,118 @@ FT_BEGIN_HEADER
} FT_Multi_Master;
/*************************************************************************/
/* */
/* <Struct> */
/* FT_Var_Axis */
/* */
/* <Description> */
/* A simple structure used to model a given axis in design space for */
/* Multiple Masters and GX var fonts. */
/* */
/* <Fields> */
/* name :: The axis's name. */
/* Not always meaningful for GX. */
/* */
/* minimum :: The axis's minimum design coordinate. */
/* */
/* def :: The axis's default design coordinate. */
/* Not meaningful for MM. */
/* */
/* maximum :: The axis's maximum design coordinate. */
/* */
/* tag :: The axis's tag (the GX equivalent to `name'). */
/* Not meaningful for MM. */
/* */
/* strid :: The entry in `name' table (another GX version of */
/* `name'). */
/* Not meaningful for MM. */
/* */
typedef struct FT_Var_Axis_
{
FT_String* name;
FT_Fixed minimum;
FT_Fixed def;
FT_Fixed maximum;
FT_ULong tag;
FT_UInt strid;
} FT_Var_Axis;
/*************************************************************************/
/* */
/* <Struct> */
/* FT_Var_Named_Style */
/* */
/* <Description> */
/* A simple structure used to model a named style in a GX var font. */
/* */
/* This structure can't be used for MM fonts. */
/* */
/* <Fields> */
/* coords :: The design coordinates for this style. */
/* This is an array with one entry for each axis. */
/* */
/* strid :: The entry in `name' table identifying this style. */
/* */
typedef struct FT_Var_Named_Style_
{
FT_Fixed* coords;
FT_UInt strid;
} FT_Var_Named_Style;
/*************************************************************************/
/* */
/* <Struct> */
/* FT_MM_Var */
/* */
/* <Description> */
/* A structure used to model the axes and space of a Multiple Masters */
/* or GX var distortable font. */
/* */
/* Some fields are specific to one format and not to the other. */
/* */
/* <Fields> */
/* num_axis :: The number of axes. The maximum value is 4 for */
/* MM; no limit in GX. */
/* */
/* num_designs :: The number of designs; should be normally */
/* 2^num_axis for MM fonts. Not meaningful for GX */
/* (where every glyph could have a different */
/* number of designs). */
/* */
/* num_namedstyles :: The number of named styles; only meaningful for */
/* GX which allows certain design coordinates to */
/* have a string ID (in the `name' table) */
/* associated with them. The font can tell the */
/* user that, for example, Weight=1.5 is `Bold'. */
/* */
/* axis :: A table of axis descriptors. */
/* GX fonts contain slightly more data than MM. */
/* */
/* namedstyles :: A table of named styles. */
/* Only meaningful with GX. */
/* */
typedef struct FT_MM_Var_
{
FT_UInt num_axis;
FT_UInt num_designs;
FT_UInt num_namedstyles;
FT_Var_Axis* axis;
FT_Var_Named_Style* namedstyle;
} FT_MM_Var;
/* */
/*************************************************************************/
/* */
/* <Function> */
@ -108,6 +228,8 @@ FT_BEGIN_HEADER
/* <Description> */
/* Retrieves the Multiple Master descriptor of a given font. */
/* */
/* This function can't be used with GX fonts. */
/* */
/* <Input> */
/* face :: A handle to the source face. */
/* */
@ -122,6 +244,30 @@ FT_BEGIN_HEADER
FT_Multi_Master *amaster );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Get_MM_Var */
/* */
/* <Description> */
/* Retrieves the Multiple Master/GX var descriptor of a given font. */
/* */
/* <Input> */
/* face :: A handle to the source face. */
/* */
/* <Output> */
/* amaster :: The Multiple Masters descriptor. */
/* Allocates a data structure, which the user must free */
/* (a single call to FT_FREE will do it). */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
FT_EXPORT( FT_Error )
FT_Get_MM_Var( FT_Face face,
FT_MM_Var* *amaster );
/*************************************************************************/
/* */
/* <Function> */
@ -131,6 +277,8 @@ FT_BEGIN_HEADER
/* For Multiple Masters fonts, choose an interpolated font design */
/* through design coordinates. */
/* */
/* This function can't be used with GX fonts. */
/* */
/* <InOut> */
/* face :: A handle to the source face. */
/* */
@ -149,14 +297,41 @@ FT_BEGIN_HEADER
FT_Long* coords );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Set_Var_Design_Coordinates */
/* */
/* <Description> */
/* For Multiple Master or GX Var fonts, choose an interpolated font */
/* design through design coordinates. */
/* */
/* <InOut> */
/* face :: A handle to the source face. */
/* */
/* <Input> */
/* num_coords :: The number of design coordinates (must be equal to */
/* the number of axes in the font). */
/* */
/* coords :: An array of design coordinates. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
FT_EXPORT( FT_Error )
FT_Set_Var_Design_Coordinates( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Set_MM_Blend_Coordinates */
/* */
/* <Description> */
/* For Multiple Masters fonts, choose an interpolated font design */
/* through normalized blend coordinates. */
/* For Multiple Masters and GX var fonts, choose an interpolated font */
/* design through normalized blend coordinates. */
/* */
/* <InOut> */
/* face :: A handle to the source face. */
@ -177,6 +352,20 @@ FT_BEGIN_HEADER
FT_Fixed* coords );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Set_Var_Blend_Coordinates */
/* */
/* <Description> */
/* This is another name of @FT_Set_MM_Blend_Coordinates. */
/* */
FT_EXPORT( FT_Error )
FT_Set_Var_Blend_Coordinates( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
/* */

1
include/freetype/internal/fttrace.h
View File

@ -53,6 +53,7 @@ FT_TRACE_DEF( ttgload ) /* TT glyph loader (ttgload.c) */
FT_TRACE_DEF( ttinterp ) /* bytecode interpreter (ttinterp.c) */
FT_TRACE_DEF( ttobjs ) /* TT objects manager (ttobjs.c) */
FT_TRACE_DEF( ttpload ) /* TT data/program loader (ttpload.c) */
FT_TRACE_DEF( ttgxvar ) /* TrueType GX var handler (ttgxvar.c) */
/* Type 1 driver components */
FT_TRACE_DEF( t1driver )

21
include/freetype/internal/services/svmm.h
View File

@ -2,9 +2,9 @@
/* */
/* svmm.h */
/* */
/* The FreeType Multiple Masters services (specification). */
/* The FreeType Multiple Masters and GX var services (specification). */
/* */
/* Copyright 2003 by */
/* Copyright 2003, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -39,11 +39,20 @@ FT_BEGIN_HEADER
(*FT_Get_MM_Func)( FT_Face face,
FT_Multi_Master* master );
typedef FT_Error
(*FT_Get_MM_Var_Func)( FT_Face face,
FT_MM_Var* *master );
typedef FT_Error
(*FT_Set_MM_Design_Func)( FT_Face face,
FT_UInt num_coords,
FT_Long* coords );
typedef FT_Error
(*FT_Set_Var_Design_Func)( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
typedef FT_Error
(*FT_Set_MM_Blend_Func)( FT_Face face,
FT_UInt num_coords,
@ -52,9 +61,11 @@ FT_BEGIN_HEADER
FT_DEFINE_SERVICE( MultiMasters )
{
FT_Get_MM_Func get_mm;
FT_Set_MM_Design_Func set_mm_design;
FT_Set_MM_Blend_Func set_mm_blend;
FT_Get_MM_Func get_mm;
FT_Set_MM_Design_Func set_mm_design;
FT_Set_MM_Blend_Func set_mm_blend;
FT_Get_MM_Var_Func get_mm_var;
FT_Set_Var_Design_Func set_var_design;
};
/* */

39
include/freetype/internal/tttypes.h
View File

@ -5,7 +5,7 @@
/* Basic SFNT/TrueType type definitions and interface (specification */
/* only). */
/* */
/* Copyright 1996-2001, 2002 by */
/* Copyright 1996-2001, 2002, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -25,6 +25,10 @@
#include FT_TRUETYPE_TABLES_H
#include FT_INTERNAL_OBJECTS_H
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
#include FT_MULTIPLE_MASTERS_H
#endif
FT_BEGIN_HEADER
@ -818,6 +822,24 @@ FT_BEGIN_HEADER
} TT_Post_NamesRec, *TT_Post_Names;
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/*** ***/
/*** ***/
/*** GX VARIATION TABLE SUPPORT ***/
/*** ***/
/*** ***/
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
typedef struct GS_BlendRec_ *GX_Blend;
#endif
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
@ -1152,8 +1174,18 @@ FT_BEGIN_HEADER
/* unpatented_hinting :: If true, use only unpatented methods in */
/* the bytecode interpreter. */
/* */
/* doblend :: A boolean which is set if the font should */
/* be blended (this is for GX var). */
/* */
/* blend :: Contains the data needed to control GX */
/* variation tables (rather like Multiple */
/* Master data). */
/* */
/* extra :: Reserved for third-party font drivers. */
/* */
/* postscript_name :: The PS name of the font. Used by the */
/* postscript name service. */
/* */
typedef struct TT_FaceRec_
{
FT_FaceRec root;
@ -1261,6 +1293,11 @@ FT_BEGIN_HEADER
FT_Bool unpatented_hinting;
#endif
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
FT_Bool doblend;
GX_Blend blend;
#endif
/***********************************************************************/
/* */
/* Other tables or fields. This is used by derivative formats like */

11
include/freetype/tttables.h
View File

@ -5,7 +5,7 @@
/* Basic SFNT/TrueType tables definitions and interface */
/* (specification only). */
/* */
/* Copyright 1996-2001, 2002, 2003 by */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -516,12 +516,11 @@ FT_BEGIN_HEADER
/* maxSizeOfInstructions :: The maximum number of TrueType opcodes */
/* used for glyph hinting. */
/* */
/* maxComponentElements :: An obscure value related to composite */
/* glyphs definitions. */
/* maxComponentElements :: The maximum number of simple (i.e., non- */
/* composite) glyphs in a composite glyph. */
/* */
/* maxComponentDepth :: An obscure value related to composite */
/* glyphs definitions. Probably the maximum */
/* number of simple glyphs in a composite. */
/* maxComponentDepth :: The maximum nesting depth of composite */
/* glyphs. */
/* */
/* <Note> */
/* This structure is only used during font loading. */

17
include/freetype/tttags.h
View File

@ -4,7 +4,7 @@
/* */
/* Tags for TrueType tables (specification only). */
/* */
/* Copyright 1996-2001 by */
/* Copyright 1996-2001, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -33,13 +33,15 @@
FT_BEGIN_HEADER
#define TTAG_cmap FT_MAKE_TAG( 'c', 'm', 'a', 'p' )
#define TTAG_cvt FT_MAKE_TAG( 'c', 'v', 't', ' ' )
#define TTAG_CFF FT_MAKE_TAG( 'C', 'F', 'F', ' ' )
#define TTAG_DSIG FT_MAKE_TAG( 'D', 'S', 'I', 'G' )
#define TTAG_bhed FT_MAKE_TAG( 'b', 'h', 'e', 'd' )
#define TTAG_avar FT_MAKE_TAG( 'a', 'v', 'a', 'r' )
#define TTAG_bdat FT_MAKE_TAG( 'b', 'd', 'a', 't' )
#define TTAG_bhed FT_MAKE_TAG( 'b', 'h', 'e', 'd' )
#define TTAG_bloc FT_MAKE_TAG( 'b', 'l', 'o', 'c' )
#define TTAG_CFF FT_MAKE_TAG( 'C', 'F', 'F', ' ' )
#define TTAG_cmap FT_MAKE_TAG( 'c', 'm', 'a', 'p' )
#define TTAG_cvar FT_MAKE_TAG( 'c', 'v', 'a', 'r' )
#define TTAG_cvt FT_MAKE_TAG( 'c', 'v', 't', ' ' )
#define TTAG_DSIG FT_MAKE_TAG( 'D', 'S', 'I', 'G' )
#define TTAG_EBDT FT_MAKE_TAG( 'E', 'B', 'D', 'T' )
#define TTAG_EBLC FT_MAKE_TAG( 'E', 'B', 'L', 'C' )
#define TTAG_EBSC FT_MAKE_TAG( 'E', 'B', 'S', 'C' )
@ -48,6 +50,7 @@ FT_BEGIN_HEADER
#define TTAG_gasp FT_MAKE_TAG( 'g', 'a', 's', 'p' )
#define TTAG_glyf FT_MAKE_TAG( 'g', 'l', 'y', 'f' )
#define TTAG_GSUB FT_MAKE_TAG( 'G', 'S', 'U', 'B' )
#define TTAG_gvar FT_MAKE_TAG( 'g', 'v', 'a', 'r' )
#define TTAG_hdmx FT_MAKE_TAG( 'h', 'd', 'm', 'x' )
#define TTAG_head FT_MAKE_TAG( 'h', 'e', 'a', 'd' )
#define TTAG_hhea FT_MAKE_TAG( 'h', 'h', 'e', 'a' )
@ -56,8 +59,8 @@ FT_BEGIN_HEADER
#define TTAG_loca FT_MAKE_TAG( 'l', 'o', 'c', 'a' )
#define TTAG_LTSH FT_MAKE_TAG( 'L', 'T', 'S', 'H' )
#define TTAG_maxp FT_MAKE_TAG( 'm', 'a', 'x', 'p' )
#define TTAG_MMSD FT_MAKE_TAG( 'M', 'M', 'S', 'D' )
#define TTAG_MMFX FT_MAKE_TAG( 'M', 'M', 'F', 'X' )
#define TTAG_MMSD FT_MAKE_TAG( 'M', 'M', 'S', 'D' )
#define TTAG_name FT_MAKE_TAG( 'n', 'a', 'm', 'e' )
#define TTAG_OS2 FT_MAKE_TAG( 'O', 'S', '/', '2' )
#define TTAG_OTTO FT_MAKE_TAG( 'O', 'T', 'T', 'O' )

73
src/base/ftmm.c
View File

@ -4,7 +4,7 @@
/* */
/* Multiple Master font support (body). */
/* */
/* Copyright 1996-2001, 2003 by */
/* Copyright 1996-2001, 2003, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -82,6 +82,28 @@
}
/* documentation is in ftmm.h */
FT_EXPORT_DEF( FT_Error )
FT_Get_MM_Var( FT_Face face,
FT_MM_Var* *amaster )
{
FT_Error error;
FT_Service_MultiMasters service;
error = ft_face_get_mm_service( face, &service );
if ( !error )
{
error = FT_Err_Invalid_Argument;
if ( service->get_mm_var )
error = service->get_mm_var( face, amaster );
}
return error;
}
/* documentation is in ftmm.h */
FT_EXPORT_DEF( FT_Error )
@ -105,6 +127,29 @@
}
/* documentation is in ftmm.h */
FT_EXPORT_DEF( FT_Error )
FT_Set_Var_Design_Coordinates( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords )
{
FT_Error error;
FT_Service_MultiMasters service;
error = ft_face_get_mm_service( face, &service );
if ( !error )
{
error = FT_Err_Invalid_Argument;
if ( service->set_var_design )
error = service->set_var_design( face, num_coords, coords );
}
return error;
}
/* documentation is in ftmm.h */
FT_EXPORT_DEF( FT_Error )
@ -128,4 +173,30 @@
}
/* documentation is in ftmm.h */
/* This is exactly the same as the previous function. It exists for */
/* orthogonality. */
FT_EXPORT_DEF( FT_Error )
FT_Set_Var_Blend_Coordinates( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords )
{
FT_Error error;
FT_Service_MultiMasters service;
error = ft_face_get_mm_service( face, &service );
if ( !error )
{
error = FT_Err_Invalid_Argument;
if ( service->set_mm_blend )
error = service->set_mm_blend( face, num_coords, coords );
}
return error;
}
/* END */

1
src/pcf/pcfdrivr.c
View File

@ -40,6 +40,7 @@ THE SOFTWARE.
#include "pcfread.h"
#include "pcferror.h"
#include "pcfutil.h"
#undef FT_COMPONENT
#define FT_COMPONENT trace_pcfread

6
src/pcf/pcfutil.c
View File

@ -74,7 +74,7 @@ in this Software without prior written authorization from The Open Group.
* Invert bit order within each BYTE of an array.
*/
static void
FT_LOCAL_DEF( void )
BitOrderInvert( unsigned char* buf,
int nbytes )
{
@ -90,7 +90,7 @@ in this Software without prior written authorization from The Open Group.
* Invert byte order within each 16-bits of an array.
*/
static void
FT_LOCAL_DEF( void )
TwoByteSwap( unsigned char* buf,
int nbytes )
{
@ -109,7 +109,7 @@ in this Software without prior written authorization from The Open Group.
* Invert byte order within each 32-bits of an array.
*/
static void
FT_LOCAL_DEF( void )
FourByteSwap( unsigned char* buf,
int nbytes )
{

16
src/pcf/pcfutil.h
View File

@ -30,20 +30,24 @@ THE SOFTWARE.
#include <ft2build.h>
#include FT_CONFIG_CONFIG_H
static void
FT_BEGIN_HEADER
FT_LOCAL( void )
BitOrderInvert( unsigned char* buf,
int nbytes);
int nbytes );
static void
FT_LOCAL( void )
TwoByteSwap( unsigned char* buf,
int nbytes);
int nbytes );
static void
FT_LOCAL( void )
FourByteSwap( unsigned char* buf,
int nbytes);
int nbytes );
FT_END_HEADER
#endif /* __PCFUTIL_H__ */

17
src/sfnt/sfobjs.c
View File

@ -4,7 +4,7 @@
/* */
/* SFNT object management (base). */
/* */
/* Copyright 1996-2001, 2002, 2003 by */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -431,11 +431,11 @@
/* do we have outlines in there? */
#ifdef FT_CONFIG_OPTION_INCREMENTAL
has_outline = FT_BOOL( face->root.internal->incremental_interface != 0 ||
tt_face_lookup_table( face, TTAG_glyf ) != 0 ||
tt_face_lookup_table( face, TTAG_CFF ) != 0 );
tt_face_lookup_table( face, TTAG_glyf ) != 0 ||
tt_face_lookup_table( face, TTAG_CFF ) != 0 );
#else
has_outline = FT_BOOL( tt_face_lookup_table( face, TTAG_glyf ) != 0 ||
tt_face_lookup_table( face, TTAG_CFF ) != 0 );
tt_face_lookup_table( face, TTAG_CFF ) != 0 );
#endif
is_apple_sbit = 0;
@ -546,6 +546,15 @@
if ( face->kern_pairs )
flags |= FT_FACE_FLAG_KERNING;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
/* Don't bother to load the tables unless somebody asks for them. */
/* No need to do work which will (probably) not be used. */
if ( tt_face_lookup_table( face, TTAG_glyf ) != 0 &&
tt_face_lookup_table( face, TTAG_fvar ) != 0 &&
tt_face_lookup_table( face, TTAG_gvar ) != 0 )
flags |= FT_FACE_FLAG_MULTIPLE_MASTERS;
#endif
root->face_flags = flags;
/*********************************************************************/

3
src/truetype/rules.mk
View File

@ -3,7 +3,7 @@
#
# Copyright 1996-2000, 2001, 2003 by
# Copyright 1996-2000, 2001, 2003, 2004 by
# David Turner, Robert Wilhelm, and Werner Lemberg.
#
# This file is part of the FreeType project, and may only be used, modified,
@ -29,6 +29,7 @@ TT_DRV_SRC := $(TT_DIR)/ttobjs.c \
$(TT_DIR)/ttpload.c \
$(TT_DIR)/ttgload.c \
$(TT_DIR)/ttinterp.c \
$(TT_DIR)/ttgxvar.c \
$(TT_DIR)/ttdriver.c
# TrueType driver headers

14
src/truetype/truetype.c
View File

@ -4,7 +4,7 @@
/* */
/* FreeType TrueType driver component (body only). */
/* */
/* Copyright 1996-2001 by */
/* Copyright 1996-2001, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -19,14 +19,18 @@
#define FT_MAKE_OPTION_SINGLE_OBJECT
#include <ft2build.h>
#include "ttdriver.c" /* driver interface */
#include "ttpload.c" /* tables loader */
#include "ttgload.c" /* glyph loader */
#include "ttobjs.c" /* object manager */
#include "ttdriver.c" /* driver interface */
#include "ttpload.c" /* tables loader */
#include "ttgload.c" /* glyph loader */
#include "ttobjs.c" /* object manager */
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
#include "ttinterp.c"
#endif
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
#include "ttgxvar.c" /* gx distortable font */
#endif
/* END */

27
src/truetype/ttdriver.c
View File

@ -23,9 +23,18 @@
#include FT_TRUETYPE_IDS_H
#include FT_SERVICE_XFREE86_NAME_H
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
#include FT_MULTIPLE_MASTERS_H
#include FT_SERVICE_MULTIPLE_MASTERS_H
#endif
#include "ttdriver.h"
#include "ttgload.h"
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
#include "ttgxvar.h"
#endif
#include "tterrors.h"
@ -345,12 +354,28 @@
/*************************************************************************/
/*************************************************************************/
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
static const FT_Service_MultiMastersRec tt_service_gx_multi_masters =
{
(FT_Get_MM_Func) NULL,
(FT_Set_MM_Design_Func) NULL,
(FT_Set_MM_Blend_Func) TT_Set_MM_Blend,
(FT_Get_MM_Var_Func) TT_Get_MM_Var,
(FT_Set_Var_Design_Func)TT_Set_Var_Design
};
#endif
static const FT_ServiceDescRec tt_services[] =
{
{ FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_TRUETYPE },
{ FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_TRUETYPE },
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
{ FT_SERVICE_ID_MULTI_MASTERS, &tt_service_gx_multi_masters },
#endif
{ NULL, NULL }
};
static FT_Module_Interface
tt_get_interface( TT_Driver driver,
const char* tt_interface )

125
src/truetype/ttgload.c
View File

@ -26,6 +26,10 @@
#include "ttgload.h"
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
#include "ttgxvar.h"
#endif
#include "tterrors.h"
@ -352,7 +356,7 @@
FT_Short *cont, *cont_limit;
/* reading the contours endpoints & number of points */
/* reading the contours' endpoints & number of points */
cont = gloader->current.outline.contours;
cont_limit = cont + n_contours;
@ -724,11 +728,38 @@
outline->tags[n_points + 3] = 0;
}
/* Note that we return two more points that are not */
/* part of the glyph outline. */
/* Note that we return four more points that are not */
/* part of the glyph outline. */
n_points += 4;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
if ( ((TT_Face)load->face)->doblend )
{
/* Deltas apply to the unscaled data. */
FT_Vector* deltas;
FT_Memory memory = load->face->memory;
FT_UInt i;
if ( ( error = TT_Vary_Get_Glyph_Deltas( (TT_Face)(load->face),
load->glyph_index,
&deltas,
n_points ) ) )
goto Exit;
for ( i = 0; i < n_points; ++i )
{
outline->points[i].x += deltas[i].x;
outline->points[i].y += deltas[i].y;
}
FT_FREE( deltas );
}
#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */
/* set up zone for hinting */
tt_prepare_zone( zone, &gloader->current, 0, 0 );
@ -803,9 +834,11 @@
load->pp4 = zone->cur[n_points - 1];
}
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
#if defined( TT_CONFIG_OPTION_BYTECODE_INTERPRETER ) || \
defined( TT_CONFIG_OPTION_GX_VAR_SUPPORT )
Exit:
#endif
return error;
}
@ -844,6 +877,10 @@
FT_Bool glyph_data_loaded = 0;
#endif
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
FT_Vector *deltas;
#endif
if ( recurse_count >= TT_MAX_COMPOSITE_RECURSE )
{
@ -997,6 +1034,28 @@
loader->pp3.y = 0;
loader->pp4.y = loader->pp3.y-loader->vadvance;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
if ( ((TT_Face)(loader->face))->doblend )
{
/* this must be done before scaling */
FT_Memory memory = loader->face->memory;
if ( (error = TT_Vary_Get_Glyph_Deltas( (TT_Face)(loader->face),
glyph_index,
&deltas,
4 ) ) )
goto Exit;
loader->pp1.x += deltas[0].x; loader->pp1.y += deltas[0].y;
loader->pp2.x += deltas[1].x; loader->pp2.y += deltas[1].y;
loader->pp3.x += deltas[2].x; loader->pp3.y += deltas[2].y;
loader->pp4.x += deltas[3].x; loader->pp4.y += deltas[3].y;
FT_FREE( deltas );
}
#endif
if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 )
{
loader->pp2.x = FT_MulFix( loader->pp2.x, x_scale );
@ -1044,14 +1103,6 @@
loader->pp4.x = 0;
loader->pp4.y = loader->pp3.y - loader->vadvance;
if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 )
{
loader->pp1.x = FT_MulFix( loader->pp1.x, x_scale );
loader->pp2.x = FT_MulFix( loader->pp2.x, x_scale );
loader->pp3.y = FT_MulFix( loader->pp3.y, y_scale );
loader->pp4.y = FT_MulFix( loader->pp4.y, y_scale );
}
/***********************************************************************/
/***********************************************************************/
/***********************************************************************/
@ -1125,6 +1176,56 @@
face->forget_glyph_frame( loader );
opened_frame = 0;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
if ( face->doblend )
{
FT_Int i, limit;
FT_SubGlyph subglyph;
FT_Memory memory = face->root.memory;
/* this provides additional offsets */
/* for each component's translation */
if ( (error = TT_Vary_Get_Glyph_Deltas(
face,
glyph_index,
&deltas,
gloader->current.num_subglyphs + 4 ) ) )
goto Exit;
/* Note: No subglyph reallocation here, our pointers are stable. */
subglyph = gloader->current.subglyphs + gloader->base.num_subglyphs;
limit = gloader->current.num_subglyphs;
for ( i = 0; i < limit; ++i, ++subglyph )
{
if ( subglyph->flags & ARGS_ARE_XY_VALUES )
{
subglyph->arg1 += deltas[i].x;
subglyph->arg2 += deltas[i].y;
}
}
loader->pp1.x += deltas[i + 0].x; loader->pp1.y += deltas[i + 0].y;
loader->pp2.x += deltas[i + 1].x; loader->pp2.y += deltas[i + 1].y;
loader->pp3.x += deltas[i + 2].x; loader->pp3.y += deltas[i + 2].y;
loader->pp4.x += deltas[i + 3].x; loader->pp4.y += deltas[i + 3].y;
FT_FREE( deltas );
}
#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */
if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 )
{
loader->pp1.x = FT_MulFix( loader->pp1.x, x_scale );
loader->pp2.x = FT_MulFix( loader->pp2.x, x_scale );
loader->pp3.y = FT_MulFix( loader->pp3.y, y_scale );
loader->pp4.y = FT_MulFix( loader->pp4.y, y_scale );
}
/* if the flag FT_LOAD_NO_RECURSE is set, we return the subglyph */
/* `as is' in the glyph slot (the client application will be */
/* responsible for interpreting these data)... */

1513
src/truetype/ttgxvar.c Normal file
View File

File diff suppressed because it is too large Load Diff

182
src/truetype/ttgxvar.h Normal file
View File

@ -0,0 +1,182 @@
/***************************************************************************/
/* */
/* ttgxvar.h */
/* */
/* TrueType GX Font Variation loader (specification) */
/* */
/* Copyright 2004 by */
/* David Turner, Robert Wilhelm, Werner Lemberg and George Williams. */
/* */
/* 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. */
/* */
/***************************************************************************/
#ifndef __TTGXVAR_H__
#define __TTGXVAR_H__
#include <ft2build.h>
#include "ttobjs.h"
FT_BEGIN_HEADER
/*************************************************************************/
/* */
/* <Struct> */
/* GX_AVarCorrespondenceRec */
/* */
/* <Description> */
/* A data structure representing `shortFracCorrespondence' in `avar' */
/* table according to the specifications from Apple. */
/* */
typedef struct GX_AVarCorrespondenceRec_
{
FT_Fixed fromCoord;
FT_Fixed toCoord;
} GX_AVarCorrespondenceRec_, *GX_AVarCorrespondence;
/*************************************************************************/
/* */
/* <Struct> */
/* GX_AVarRec */
/* */
/* <Description> */
/* Data from the segment field of `avar' table. */
/* There is one of these for each axis. */
/* */
typedef struct GX_AVarSegmentRec_
{
FT_UShort pairCount;
GX_AVarCorrespondence correspondence; /* array with pairCount entries */
} GX_AVarSegmentRec, *GX_AVarSegment;
/*************************************************************************/
/* */
/* <Struct> */
/* GX_BlendRec */
/* */
/* <Description> */
/* Data for interpolating a font from a distortable font specified */
/* by the GX *var tables ([fgca]var). */
/* */
/* <Fields> */
/* num_axis :: The number of axes along which interpolation */
/* may happen */
/* */
/* normalizedcoords :: A normalized value (between [-1,1]) indicating */
/* the contribution along each axis to the final */
/* interpolated font. */
/* */
typedef struct GS_BlendRec_
{
FT_UInt num_axis;
FT_Fixed* normalizedcoords;
FT_MM_Var* mmvar;
FT_Int mmvar_len;
FT_Bool avar_checked;
GX_AVarSegment avar_segment;
FT_UInt tuplecount; /* shared tuples in `gvar' */
FT_Fixed* tuplecoords; /* tuplecoords[tuplecount][num_axis] */
FT_UInt gv_glyphcnt;
FT_ULong* glyphoffsets;
} GX_BlendRec;
/*************************************************************************/
/* */
/* <enum> */
/* GX_TupleCountFlags */
/* */
/* <Description> */
/* Flags used within the `TupleCount' field of the `gvar' table. */
/* */
typedef enum GX_TupleCountFlags_
{
GX_TC_TUPLES_SHARE_POINT_NUMBERS = 0x8000,
GX_TC_RESERVED_TUPLE_FLAGS = 0x7000,
GX_TC_TUPLE_COUNT_MASK = 0x0FFF
} GX_TupleCountFlags;
/*************************************************************************/
/* */
/* <enum> */
/* GX_TupleIndexFlags */
/* */
/* <Description> */
/* Flags used within the `TupleIndex' field of the `gvar' and `cvar' */
/* tables. */
/* */
typedef enum GX_TupleIndexFlags_
{
GX_TI_EMBEDDED_TUPLE_COORD = 0x8000,
GX_TI_INTERMEDIATE_TUPLE = 0x4000,
GX_TI_PRIVATE_POINT_NUMBERS = 0x2000,
GX_TI_RESERVED_TUPLE_FLAG = 0x1000,
GX_TI_TUPLE_INDEX_MASK = 0x0FFF
} GX_TupleIndexFlags;
#define TTAG_wght FT_MAKE_TAG( 'w', 'g', 'h', 't' )
#define TTAG_wdth FT_MAKE_TAG( 'w', 'd', 't', 'h' )
#define TTAG_opsz FT_MAKE_TAG( 'o', 'p', 's', 'z' )
#define TTAG_slnt FT_MAKE_TAG( 's', 'l', 'n', 't' )
FT_LOCAL_DEF( FT_Error )
TT_Set_MM_Blend( TT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
FT_LOCAL_DEF( FT_Error )
TT_Set_Var_Design( TT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
FT_LOCAL_DEF( FT_Error )
TT_Get_MM_Var( TT_Face face,
FT_MM_Var* *master );
FT_LOCAL_DEF( FT_Error )
tt_face_vary_cvt( TT_Face face,
FT_Stream stream );
FT_LOCAL_DEF( FT_Error )
TT_Vary_Get_Glyph_Deltas( TT_Face face,
FT_UInt glyph_index,
FT_Vector* *deltas,
FT_UInt n_points );
FT_LOCAL_DEF( void )
tt_done_blend( FT_Memory memory,
GX_Blend blend );
FT_END_HEADER
#endif /* __TTGXVAR_H__ */
/* END */

11
src/truetype/ttobjs.c
View File

@ -4,7 +4,7 @@
/* */
/* Objects manager (body). */
/* */
/* Copyright 1996-2001, 2002, 2003 by */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -35,6 +35,10 @@
#ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING
#include FT_TRUETYPE_UNPATENTED_H
#endif
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
#include "ttgxvar.h"
#endif
/*************************************************************************/
@ -293,6 +297,11 @@
FT_FRAME_RELEASE( face->cvt_program );
face->font_program_size = 0;
face->cvt_program_size = 0;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
tt_done_blend( memory, face->blend );
face->blend = NULL;
#endif
}

11
src/truetype/ttpload.c
View File

@ -4,7 +4,7 @@
/* */
/* TrueType glyph data/program tables loader (body). */
/* */
/* Copyright 1996-2001, 2002 by */
/* Copyright 1996-2001, 2002, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -24,6 +24,10 @@
#include "ttpload.h"
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
#include "ttgxvar.h"
#endif
#include "tterrors.h"
@ -186,6 +190,11 @@
FT_FRAME_EXIT();
FT_TRACE2(( "loaded\n" ));
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
if ( face->doblend )
error = tt_face_vary_cvt( face, stream );
#endif
Exit:
return error;
}

10
src/type1/t1driver.c
View File

@ -4,7 +4,7 @@
/* */
/* Type 1 driver interface (body). */
/* */
/* Copyright 1996-2001, 2002, 2003 by */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -129,9 +129,11 @@
#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT
static const FT_Service_MultiMastersRec t1_service_multi_masters =
{
(FT_Get_MM_Func) T1_Get_Multi_Master,
(FT_Set_MM_Design_Func)T1_Set_MM_Design,
(FT_Set_MM_Blend_Func) T1_Set_MM_Blend
(FT_Get_MM_Func) T1_Get_Multi_Master,
(FT_Set_MM_Design_Func) T1_Set_MM_Design,
(FT_Set_MM_Blend_Func) T1_Set_MM_Blend,
(FT_Get_MM_Var_Func) T1_Get_MM_Var,
(FT_Set_Var_Design_Func)T1_Set_Var_Design
};
#endif

81
src/type1/t1load.c
View File

@ -211,6 +211,60 @@
}
#define FT_INT_TO_FIXED( a ) ( (a) << 16 )
#define FT_FIXED_TO_INT( a ) ( FT_RoundFix( a ) >> 16 )
/*************************************************************************/
/* */
/* Just a wrapper around T1_Get_Multi_Master to support the different */
/* arguments needed by the GX var distortable fonts. */
/* */
FT_LOCAL_DEF( FT_Error )
T1_Get_MM_Var( T1_Face face,
FT_MM_Var* *master )
{
FT_Memory memory = face->root.memory;
FT_MM_Var *mmvar;
FT_Multi_Master mmaster;
FT_Error error;
FT_UInt i;
error = T1_Get_Multi_Master( face, &mmaster );
if ( error )
goto Exit;
if ( FT_ALLOC( mmvar,
sizeof ( FT_MM_Var ) +
mmaster.num_axis * sizeof ( FT_Var_Axis ) ) )
goto Exit;
mmvar->num_axis = mmaster.num_axis;
mmvar->num_designs = mmaster.num_designs;
mmvar->num_namedstyles = (FT_UInt)-1; /* Does not apply */
mmvar->axis = (FT_Var_Axis*)&mmvar[1];
/* Point to axes after MM_Var struct */
mmvar->namedstyle = NULL;
for ( i = 0 ; i < mmaster.num_axis; ++i )
{
mmvar->axis[i].name = mmaster.axis[i].name;
mmvar->axis[i].minimum = FT_INT_TO_FIXED( mmaster.axis[i].minimum);
mmvar->axis[i].maximum = FT_INT_TO_FIXED( mmaster.axis[i].maximum);
mmvar->axis[i].def = ( mmvar->axis[i].minimum +
mmvar->axis[i].maximum ) / 2;
/* Does not apply. But this value is in range */
mmvar->axis[i].tag = 0xFFFFFFFFLU; /* Does not apply */
mmvar->axis[i].strid = 0xFFFFFFFFLU; /* Does not apply */
}
*master = mmvar;
Exit:
return error;
}
FT_LOCAL_DEF( FT_Error )
T1_Set_MM_Blend( T1_Face face,
FT_UInt num_coords,
@ -329,6 +383,33 @@
}
/*************************************************************************/
/* */
/* Just a wrapper around T1_Set_MM_Design to support the different */
/* arguments needed by the GX var distortable fonts. */
/* */
FT_LOCAL_DEF( FT_Error )
T1_Set_Var_Design( T1_Face face,
FT_UInt num_coords,
FT_Fixed* coords )
{
FT_Long lcoords[4]; /* maximum axis count is 4 */
FT_UInt i;
FT_Error error;
error = T1_Err_Invalid_Argument;
if ( num_coords <= 4 && num_coords > 0 )
{
for ( i = 0; i < num_coords; ++i )
lcoords[i] = FT_FIXED_TO_INT( coords[i] );
error = T1_Set_MM_Design( face, num_coords, lcoords );
}
return error;
}
FT_LOCAL_DEF( void )
T1_Done_Blend( T1_Face face )
{

11
src/type1/t1load.h
View File

@ -4,7 +4,7 @@
/* */
/* Type 1 font loader (specification). */
/* */
/* Copyright 1996-2001, 2002 by */
/* Copyright 1996-2001, 2002, 2004 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -60,6 +60,10 @@ FT_BEGIN_HEADER
T1_Get_Multi_Master( T1_Face face,
FT_Multi_Master* master );
FT_LOCAL_DEF( FT_Error )
T1_Get_MM_Var( T1_Face face,
FT_MM_Var* *master );
FT_LOCAL( FT_Error )
T1_Set_MM_Blend( T1_Face face,
FT_UInt num_coords,
@ -70,6 +74,11 @@ FT_BEGIN_HEADER
FT_UInt num_coords,
FT_Long* coords );
FT_LOCAL_DEF( FT_Error )
T1_Set_Var_Design( T1_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
FT_LOCAL( void )
T1_Done_Blend( T1_Face face );