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Cleanups.

This commit is contained in:
Werner Lemberg 2003-04-22 07:49:24 +00:00
parent 90e979e7be
commit 3ae7cc997a
18 changed files with 332 additions and 216 deletions
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75
ChangeLog
View File

@ -77,9 +77,11 @@
* src/cache/ftlru.c: Fixed an invalid assertion check.
* src/autohint/ahglyph.h, src/autohint/ahglyph.c,
src/autohint/ahglobal.c, src/autohint/ahhint.c: Fixed blue-scale
problem.
* src/autohint/ahglyph.c (ah_outline_load): Add two scaling
arguments.
* src/autohint/ahglyph.h: Updated.
* src/autohint/ahhint.c (ah_hinter_load): Updated.
* src/autohint/ahglobal.c (ah_hinter_compute_widths): Updated.
* src/cache/ftccache.c: Fixed small bug that could crash the cache
in rare circumstances (mostly with broken fonts).
@ -169,8 +171,8 @@
Fixing the slight distortion problem that ocurred due to the latest
auto-hinter changes.
* src/autohint/ahhint.c: Disabled the advance width "correction"
which seemed to provide more trouble than benefits.
* src/autohint/ahhint.c (ah_hinter_load): Disabled the advance width
"correction" which seemed to provide more trouble than benefits.
2003-02-13 Graham Asher <graham.asher@btinternet.com>
@ -203,10 +205,16 @@
display a waterfall with a font without a Unicode charmap (e.g.
SYMBOL.TTF).
* src/autohint/ahtypes.h, src/autohint/ahhint.c, src/base/ftobjs.c,
src/truetype/ttobjs.c: Implemented FT_CONFIG_CHESTER_BLUE_SCALE,
corresponding to the last patch from David Chester, but with a much
simpler (and saner) implementation.
Implemented FT_CONFIG_CHESTER_BLUE_SCALE, corresponding to the last
patch from David Chester, but with a much simpler (and saner)
implementation.
* src/autohint/ahhint.c (ah_hinter_load_glyph)
[FT_CONFIG_CHESTER_BLUE_SCALE]: Try to optimize the y_scale so that
the top of non-capital letters is aligned on a pixel boundary
whenever possible.
* src/base/ftobjs.c, src/truetype/ttobjs.c:
* src/pshinter/pshalgo3.c: Improved the Postscript hinter. Getting
rid of stem snapping seems to work well here (though the stems are
@ -217,7 +225,8 @@
2003-01-22 David Chester <davidchester@qmx.net>
* src/autohint/ahhint.c: Small fix to the stem width optimization.
* src/autohint/ahhint.c (ah_compute_stem_width): Small fix to the
stem width optimization.
2003-01-22 David Turner <david@freetype.org>
@ -308,8 +317,27 @@
[FT_CONFIG_OPTION_CHESTER_HINTS]: New macros to control individual
features.
* src/autohint/ahglobal.h, src/autohint/ahglobal.c,
src/autohint/ahglyph.c, src/autohint/ahtypes.h:
* src/autohint/ahglobal.c (blue_chars) [FT_CONFIG_CHESTER_SMALL_F]:
Add blue zone for `fijkdbh'.
* src/autohint/ahglobal.h (AH_IS_TOP_BLUE)
[FT_CONFIG_CHESTER_SMALL_F]: Use `AH_BLUE_SMALL_F_TOP'.
* src/autohint/ahglyph.c (ah_outline_compute_edges)
[FT_CONFIG_CHESTER_SERIF]: Use `AH_EDGE_SERIF'.
(ah_outline_compute_blue_edges) [FT_CONFIG_CHESTER_SMALL_F]:
Increase threshold for `best_dist'.
* src/autohint/ahhint.c (ah_compute_stem_width)
[FT_CONFIG_CHESTER_SERIF]: Provide new version for improved serif
handling.
(ah_align_linked_edge) [FT_CONFIG_CHESTER_SERIF]: Use special
version of `ah_compute_stem_width'.
(ah_hint_edges_3) [FT_CONFIG_CHESTER_STEM]: A new algorithm for stem
alignment when stem widths are less than 1.5 pixels wide centers the
stem slightly off-center of the center of a pixel (this increases
sharpness and consistency).
[FT_CONFIG_CHESTER_SERIF]: Use special version of
`ah_compute_stem_width'.
* src/autohint/ahtypes.h [FT_CONFIG_CHESTER_SMALL_F]: Add
`AH_BLUE_SMALL_F_TOP'.
2003-01-11 David Turner <david@freetype.org>
@ -328,10 +356,15 @@
2003-01-08 Owen Taylor <owen@redhat.com>
* src/autohint/ahtypes.h, src/autohint/ahhint.c,
src/pshinter/pshalgo3.h, src/pshinter/pshalgo3.c: Implemented the
FT_RENDER_MODE_LIGHT hinting mode in the auto and postscript
hinters.
Implemented the FT_RENDER_MODE_LIGHT hinting mode in the auto and
postscript hinters.
* src/autohint/ahhint.c (ah_compute_stem_width): Handle
hinter->do_stem_adjust.
(ah_hinter_load_glyph): Set hinter->do_stem_adjust.
* src/autohint/ahtypes.h (AH_HinterRec): Add `do_stem_adjust'.
* src/pshinter/pshalgo3.h, src/pshinter/pshalgo3.c:
* include/freetype/freetype.h (FT_Render_Mode): Add
FT_RENDER_MODE_LIGHT.
@ -457,9 +490,13 @@
support fot the first GSUB lookups. Nothing that really compiles
for now though.
* src/autohint/ahhint.c: Disabled serif stem width quantization. It
produces slightly better shapes though this is not distinguishable
with many fonts.
* src/autohint/ahhint.c (ah_align_serif_edge): Disabled serif stem
width quantization. It produces slightly better shapes though this
is not distinguishable with many fonts.
Remove other dead code.
* src/Jamfile, src/*/Jamfile: Simplified.
Use $(FT2_SRC_DIR).
2002-11-06 David Turner <david@freetype.org>

71
include/freetype/ftbdf.h
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@ -4,7 +4,7 @@
/* */
/* FreeType API for accessing BDF-specific strings (specification). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -49,20 +49,20 @@ FT_BEGIN_HEADER
* FT_PropertyType
*
* @description:
* list of BDF property types
* A list of BDF property types.
*
* @values:
* BDF_PROPERTY_TYPE_NONE ::
* value 0 is used to indicate a missing property
* Value 0 is used to indicate a missing property.
*
* BDF_PROPERTY_TYPE_ATOM ::
* property is a string atom
* Property is a string atom.
*
* BDF_PROPERTY_TYPE_INTEGER ::
* property is a 32-bit signed integer
* Property is a 32-bit signed integer.
*
* BDF_PROPERTY_TYPE_CARDINAL ::
* property is a 32-bit unsigned integer
* Property is a 32-bit unsigned integer.
*/
typedef enum
{
@ -76,34 +76,39 @@ FT_BEGIN_HEADER
/**********************************************************************
*
* @type: BDF_Property
* @type:
* BDF_Property
*
* @description:
* handle to a @BDF_PropertyRec structure used to model a given
* BDF/PCF property
* A handle to a @BDF_PropertyRec structure to model a given
* BDF/PCF property.
*/
typedef struct BDF_PropertyRec_* BDF_Property;
typedef struct BDF_PropertyRec_* BDF_Property;
/**********************************************************************
*
* @struct: BDF_PropertyRec
* @struct:
* BDF_PropertyRec
*
* @description:
* models a given BDF/PCF property
* This structure models a given BDF/PCF property.
*
* @note:
* type :: property type
* u.atom :: atom string, when type is @BDF_PROPERTY_TYPE_ATOM
* u.integer :: signed integer, when type is @BDF_PROPERTY_TYPE_INTEGER
* u.cardinal :: unsigned integer, when type is @BDF_PROPERTY_TYPE_CARDINAL
* @fields:
* type :: The property type.
*
* u.atom :: The atom string, if type is @BDF_PROPERTY_TYPE_ATOM.
* u.integer :: A signed integer, if type is @BDF_PROPERTY_TYPE_INTEGER.
* u.cardinal :: An unsigned integer, if type is
* @BDF_PROPERTY_TYPE_CARDINAL.
*/
typedef struct BDF_PropertyRec_
typedef struct BDF_PropertyRec_
{
BDF_PropertyType type;
BDF_PropertyType type;
union {
const char* atom;
FT_Int32 integer;
FT_UInt32 cardinal;
const char* atom;
FT_Int32 integer;
FT_UInt32 cardinal;
} u;
@ -121,7 +126,7 @@ FT_BEGIN_HEADER
*
* @input:
* face ::
* handle to input face
* A handle to the input face.
*
* @output:
* acharset_encoding ::
@ -131,7 +136,7 @@ FT_BEGIN_HEADER
* Charset registry, as a C string, owned by the face.
*
* @return:
* FreeType rror code. 0 means success.
* FreeType error code. 0 means success.
*
* @note:
* This function only works with BDF faces, returning an error otherwise.
@ -141,31 +146,33 @@ FT_BEGIN_HEADER
const char* *acharset_encoding,
const char* *acharset_registry );
/**********************************************************************
*
* @function:
* FT_Get_BDF_Property
*
* @description:
* Retrieves a BDF property from a BDF or PCF font file
* Retrieves a BDF property from a BDF or PCF font file.
*
* @input:
* face :: handle to input face
* name :: property name
* face :: A handle to the input face.
*
* name :: The property name.
*
* @output:
* aproperty :: the property
* aproperty :: The property.
*
* @return:
* FreeType error code. 0 means success.
*
* @note:
* This function works with BDF _and_ PCF fonts. It returns an error
* otherwise. it also returns an error when the property is not in the
* This function works with BDF _and_ PCF fonts. It returns an error
* otherwise. It also returns an error if the property is not in the
* font.
*
* in case of error, "aproperty->type" is always set to
* @BDF_PROPERTY_TYPE_NONE
* In case of error, "aproperty->type" is always set to
* @BDF_PROPERTY_TYPE_NONE.
*/
FT_EXPORT( FT_Error )
FT_Get_BDF_Property( FT_Face face,

47
include/freetype/ftgzip.h
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@ -4,7 +4,7 @@
/* */
/* Gzip-compressed stream support. */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -40,47 +40,54 @@ FT_BEGIN_HEADER
/* */
/*************************************************************************/
/************************************************************************
*
* @type: FT_Stream_OpenGzip
* @function:
* FT_Stream_OpenGzip
*
* @description:
* open a new stream to parse gzip-compressed font files. This is
* Open a new stream to parse gzip-compressed font files. This is
* mainly used to support the compressed *.pcf.gz fonts that come
* with XFree86
* with XFree86.
*
* @input:
* stream :: target embedding stream
* source :: source stream, used to
* stream :: The target embedding stream.
*
* source :: The source stream.
*
* @return:
* error code. 0 means success
* FreeType error code. 0 means success.
*
* @note:
* the source stream must be opened _before_ calling this function.
* The source stream must be opened _before_ calling this function.
*
* calling @FT_Stream_Close on the new stream will *not* call
* @FT_Stream_Close on the source stream. None of the stream objects
* Calling @FT_Stream_Close on the new stream will *not* call
* @FT_Stream_Close on the source stream. None of the stream objects
* will be released to the heap.
*
* the stream implementation is very basic, and resets the decompression
* process each time seeking backwards is needed within the stream
* The stream implementation is very basic and resets the decompression
* process each time seeking backwards is needed within the stream.
*
* in certain builds of the library, gzip compression recognition is
* automatic when calling @FT_New_Face or @FT_Open_Face. This means that
* if no font driver is capable of handling the raw compressed file,
* the library will try to open a gzip stream from it and re-open
* the face with it.
* In certain builds of the library, gzip compression recognition is
* automatically handled when calling @FT_New_Face or @FT_Open_Face.
* This means that if no font driver is capable of handling the raw
* compressed file, the library will try to open a gzipped stream from
* it and re-open the face with it.
*
* this function may return "FT_Err_Unimplemented" if your build of
* This function may return "FT_Err_Unimplemented" if your build of
* FreeType was not compiled with zlib support.
*/
FT_EXPORT( FT_Error )
FT_Stream_OpenGzip( FT_Stream stream,
FT_Stream source );
FT_Stream_OpenGzip( FT_Stream stream,
FT_Stream source );
/* */
FT_END_HEADER
#endif /* __FTGZIP_H__ */
/* END */

10
include/freetype/ftincrem.h
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@ -4,7 +4,7 @@
/* */
/* FreeType incremental loading (specification). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -186,10 +186,10 @@ FT_BEGIN_HEADER
*/
typedef FT_Error
(*FT_Incremental_GetGlyphMetricsFunc)
( FT_Incremental incremental,
FT_UInt glyph_index,
FT_Bool vertical,
FT_Incremental_MetricsRec *ametrics );
( FT_Incremental incremental,
FT_UInt glyph_index,
FT_Bool vertical,
FT_Incremental_MetricsRec *ametrics );
/**************************************************************************

96
include/freetype/ftpfr.h
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@ -2,9 +2,9 @@
/* */
/* ftpfr.h */
/* */
/* FreeType API for accessing PFR-specific data */
/* FreeType API for accessing PFR-specific data (specification only). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -49,42 +49,44 @@ FT_BEGIN_HEADER
* FT_Get_PFR_Metrics
*
* @description:
* returns the outline and metrics resolutions of a given PFR
* face.
* Return the outline and metrics resolutions of a given PFR face.
*
* @input:
* face :: handle to input face. It can be a non-PFR face.
* face :: Handle to the input face. It can be a non-PFR face.
*
* @output:
* aoutline_resolution ::
* outline resolution. This is equivalent to "face->units_per_EM".
* optional (parameter can be NULL)
* Outline resolution. This is equivalent to `face->units_per_EM'.
* Optional (parameter can be NULL).
*
* ametrics_resolution ::
* metrics_resolution. This is equivalent to "outline_resolution"
* for non-PFR fonts. can be NULL
* optional (parameter can be NULL)
* Metrics resolution. This is equivalent to `outline_resolution'
* for non-PFR fonts. Optional (parameter can be NULL).
*
* ametrics_x_scale ::
* a 16.16 fixed-point number used to scale distance expressed
* in metrics units to device sub-pixels. This is equivalent to
* 'face->size->x_scale', but for metrics only.
* optional (parameter can be NULL)
* A 16.16 fixed-point number used to scale distance expressed
* in metrics units to device sub-pixels. This is equivalent to
* `face->size->x_scale', but for metrics only. Optional (parameter
* can be NULL)
*
* ametrics_y_scale ::
* same as 'ametrics_x_scale', but for the vertical direction.
* Same as `ametrics_x_scale' but for the vertical direction.
* optional (parameter can be NULL)
*
* @return:
* FreeType error code. 0 means success.
*
* @note:
* if the input face is not a PFR, this function will return an error.
* If the input face is not a PFR, this function will return an error.
* However, in all cases, it will return valid values.
*/
FT_EXPORT( FT_Error )
FT_Get_PFR_Metrics( FT_Face face,
FT_UInt *aoutline_resolution,
FT_UInt *ametrics_resolution,
FT_Fixed *ametrics_x_scale,
FT_Fixed *ametrics_y_scale );
FT_Get_PFR_Metrics( FT_Face face,
FT_UInt *aoutline_resolution,
FT_UInt *ametrics_resolution,
FT_Fixed *ametrics_x_scale,
FT_Fixed *ametrics_y_scale );
/**********************************************************************
*
@ -92,25 +94,30 @@ FT_BEGIN_HEADER
* FT_Get_PFR_Kerning
*
* @description:
* returns the kerning pair corresponding to two glyphs in
* a PFR face. The distance is expressed in metrics units, unlike
* the result of @FT_Get_Kerning.
* Return the kerning pair corresponding to two glyphs in a PFR face.
* The distance is expressed in metrics units, unlike the result of
* @FT_Get_Kerning.
*
* @input:
* face :: handle to input face.
* left :: left glyph index
* right :: right glyph index
* face :: A handle to the input face.
*
* left :: Index of the left glyph.
*
* right :: Index of the right glyph.
*
* @output:
* avector :: kerning vector
* avector :: A kerning vector.
*
* @return:
* FreeType error code. 0 means success.
*
* @note:
* this function always return distances in original PFR metrics
* units. This is unlike @FT_Get_Kerning with the @FT_KERNING_UNSCALED
* mode, which always return distances converted to outline units.
* This function always return distances in original PFR metrics
* units. This is unlike @FT_Get_Kerning with the @FT_KERNING_UNSCALED
* mode, which always returns distances converted to outline units.
*
* you can use the value of the 'x_scale' and 'y_scale' parameters
* returned by @FT_Get_PFR_Metrics to scale these to device sub-pixels
* You can use the value of the `x_scale' and `y_scale' parameters
* returned by @FT_Get_PFR_Metrics to scale these to device sub-pixels.
*/
FT_EXPORT( FT_Error )
FT_Get_PFR_Kerning( FT_Face face,
@ -118,36 +125,39 @@ FT_BEGIN_HEADER
FT_UInt right,
FT_Vector *avector );
/**********************************************************************
*
* @function:
* FT_Get_PFR_Advance
*
* @description:
* returns a given glyph advance, expressed in original metrics units,
* Return a given glyph advance, expressed in original metrics units,
* from a PFR font.
*
* @input:
* face :: handle to input face.
* gindex :: glyph index
* face :: A handle to the input face.
*
* gindex :: The glyph index.
*
* @output:
* aadvance :: glyph advance in metrics units
* aadvance :: The glyph advance in metrics units.
*
* @return:
* error code. 0 means success
* FreeType error code. 0 means success.
*
* @note:
* you can use the 'x_scale' or 'y_scale' results of @FT_Get_PFR_Metrics
* to convert the advance to device sub-pixels (i.e. 1/64th of pixels)
* You can use the `x_scale' or `y_scale' results of @FT_Get_PFR_Metrics
* to convert the advance to device sub-pixels (i.e. 1/64th of pixels).
*/
FT_EXPORT( FT_Error )
FT_Get_PFR_Advance( FT_Face face,
FT_UInt gindex,
FT_Pos *aadvance );
FT_Get_PFR_Advance( FT_Face face,
FT_UInt gindex,
FT_Pos *aadvance );
/* */
FT_END_HEADER
#endif /* __FTBDF_H__ */

16
include/freetype/ftwinfnt.h
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@ -4,7 +4,7 @@
/* */
/* FreeType API for accessing Windows fnt-specific data. */
/* */
/* Copyright 2002 by */
/* Copyright 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -93,31 +93,31 @@ FT_BEGIN_HEADER
} FT_WinFNT_HeaderRec, *FT_WinFNT_Header;
/**********************************************************************
*
* @function:
* FT_Get_WinFNT_Header
*
* @description:
* Retrieves a Windows FNT font info header.
* Retrieve a Windows FNT font info header.
*
* @input:
* face :: handle to input face
* face :: A handle to the input face.
*
* @output:
* header :: WinFNT header.
* aheader :: The WinFNT header.
*
* @return:
* FreeType error code. 0 means success.
*
* @note:
* This function only works with Windows FNT faces, returning an erro
* This function only works with Windows FNT faces, returning an error
* otherwise.
*/
FT_EXPORT( FT_Error )
FT_Get_WinFNT_Header( FT_Face face,
FT_WinFNT_HeaderRec *header );
FT_Get_WinFNT_Header( FT_Face face,
FT_WinFNT_HeaderRec *aheader );
/* */

2
include/freetype/internal/fnttypes.h
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@ -5,7 +5,7 @@
/* Basic Windows FNT/FON type definitions and interface (specification */
/* only). */
/* */
/* Copyright 1996-2001, 2002 by */
/* Copyright 1996-2001, 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */

18
include/freetype/internal/ftobjs.h
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@ -4,7 +4,7 @@
/* */
/* The FreeType private base classes (specification). */
/* */
/* Copyright 1996-2001, 2002 by */
/* Copyright 1996-2001, 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -539,26 +539,28 @@ FT_BEGIN_HEADER
/* */
/*
* free the bitmap of a given glyphslot when needed
* (i.e. only when it was allocated with ft_glyphslot_alloc_bitmap)
* Free the bitmap of a given glyphslot when needed
* (i.e., only when it was allocated with ft_glyphslot_alloc_bitmap).
*/
FT_BASE( void )
ft_glyphslot_free_bitmap( FT_GlyphSlot slot );
/*
* allocate a new bitmap buffer in a glyph slot
* Allocate a new bitmap buffer in a glyph slot.
*/
FT_BASE( FT_Error )
ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot,
FT_ULong size );
/*
* set the bitmap buffer in a glyph slot to a given pointer.
* the buffer will not be freed by a later call to ft_glyphslot_free_bitmap
* Set the bitmap buffer in a glyph slot to a given pointer.
* The buffer will not be freed by a later call to ft_glyphslot_free_bitmap.
*/
FT_BASE( void )
ft_glyphslot_set_bitmap( FT_GlyphSlot slot,
FT_Pointer buffer );
ft_glyphslot_set_bitmap( FT_GlyphSlot slot,
FT_Pointer buffer );
/*************************************************************************/

2
include/freetype/internal/pcftypes.h
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@ -2,7 +2,7 @@
FreeType font driver for pcf fonts
Copyright (C) 2000-2001 by
Copyright (C) 2000, 2001, 2002 by
Francesco Zappa Nardelli
Permission is hereby granted, free of charge, to any person obtaining a copy

40
include/freetype/internal/pfr.h
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@ -1,9 +1,28 @@
#ifndef __FT_INTERNAL_PFR_H__
#define __FT_INTERNAL_PFR_H__
/***************************************************************************/
/* */
/* pfr.h */
/* */
/* Internal PFR service functions (specification only). */
/* */
/* Copyright 2002, 2003 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. */
/* */
/***************************************************************************/
#ifndef __PFR_H__
#define __PFR_H__
#include <ft2build.h>
#include FT_FREETYPE_H
FT_BEGIN_HEADER
typedef FT_Error (*FT_PFR_GetMetricsFunc)( FT_Face face,
@ -21,16 +40,21 @@ FT_BEGIN_HEADER
FT_UInt gindex,
FT_Pos *aadvance );
typedef struct FT_PFR_ServiceRec_
typedef struct FT_PFR_ServiceRec_
{
FT_PFR_GetMetricsFunc get_metrics;
FT_PFR_GetKerningFunc get_kerning;
FT_PFR_GetAdvanceFunc get_advance;
FT_PFR_GetMetricsFunc get_metrics;
FT_PFR_GetKerningFunc get_kerning;
FT_PFR_GetAdvanceFunc get_advance;
} FT_PFR_ServiceRec, *FT_PFR_Service;
#define FT_PFR_SERVICE_NAME "pfr"
#define FT_PFR_SERVICE_NAME "pfr"
FT_END_HEADER
#endif /* __FT_INTERNAL_PFR_H__ */
#endif /* __PFR_H__ */
/* END */

15
include/freetype/internal/sfnt.h
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@ -4,7 +4,7 @@
/* */
/* High-level `sfnt' driver interface (specification). */
/* */
/* Copyright 1996-2001, 2002 by */
/* Copyright 1996-2001, 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -463,14 +463,15 @@ FT_BEGIN_HEADER
/* SFNT_Load_Table_Func */
/* */
/* <Description> */
/* Loads a given SFNT table in memory */
/* Loads a given SFNT table into memory. */
/* */
typedef FT_Error
(*SFNT_Load_Table_Func)( FT_Face face,
FT_ULong tag,
FT_Long offset,
FT_Byte* buffer,
FT_ULong* length );
(*SFNT_Load_Table_Func)( FT_Face face,
FT_ULong tag,
FT_Long offset,
FT_Byte* buffer,
FT_ULong* length );
/*************************************************************************/
/* */

6
include/freetype/ttnameid.h
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@ -4,7 +4,7 @@
/* */
/* TrueType name ID definitions (specification only). */
/* */
/* Copyright 1996-2002 by */
/* Copyright 1996-2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -257,8 +257,8 @@ FT_BEGIN_HEADER
* Corresponds to Microsoft Johab encoding. See @FT_ENCODING_MS_JOHAB.
*
* TT_MS_ID_UCS_4 ::
* Corresponds to UCS-4 or UTF-32 charmaps. This has been added into
* OpenType specification as of version 1.4 (mid-2001.)
* Corresponds to UCS-4 or UTF-32 charmaps. This has been added to
* the OpenType specification version 1.4 (mid-2001.)
*/
#define TT_MS_ID_SYMBOL_CS 0

47
include/freetype/tttables.h
View File

@ -5,7 +5,7 @@
/* Basic SFNT/TrueType tables definitions and interface */
/* (specification only). */
/* */
/* Copyright 1996-2001 by */
/* Copyright 1996-2001, 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -593,6 +593,7 @@ FT_BEGIN_HEADER
FT_Get_Sfnt_Table( FT_Face face,
FT_Sfnt_Tag tag );
/**************************************************************************
*
* <Function>
@ -602,54 +603,56 @@ FT_BEGIN_HEADER
* Loads any font table into client memory.
*
* <Input>
* face :: handle to source face.
* tag :: the 4-byte tag of the table to load. Use the value 0 if
* you want to access the whole font file. Else, you can use
* one of the definitions found in the @FT_TRUETYPE_TAGS_H
* file, or forge a new one with @FT_MAKE_TAG
* face :: A handle to the source face.
*
* tag :: The 4-byte tag of the table to load. Use the value 0 if
* you want to access the whole font file. Otherwise, you can
* use one of the definitions found in the @FT_TRUETYPE_TAGS_H
* file, or forge a new one with @FT_MAKE_TAG.
*
* offset :: the starting offset in the table (or file if tag == 0)
* offset :: The starting offset in the table (or file if tag == 0).
*
* <Output>
* buffer :: target buffer address. client must ensure that there are
* enough bytes in it.
* buffer :: The target buffer address. The client must ensure that
* the memory array is big enough to hold the data.
*
* <InOut>
* length :: if the 'length' parameter is NULL, then try to load the whole
* table, and return an error code if it fails.
* length :: If the `length' parameter is NULL, then try to load the whole
* table. Return an error code if it fails.
*
* else, if '*length' is 0, then exit immediately while returning
* Else, if `*length' is 0, exit immediately while returning
* the table's (or file) full size in it.
*
* else, the number of bytes to read from the table or file,
* Else the number of bytes to read from the table or file,
* from the starting offset.
*
* <Return>
* error code. 0 means success
* FreeType error code. 0 means success.
*
* <Note>
* if you need to determine the table's length you should first call this
* function with "*length" set to 0, as in the following example:
* If you need to determine the table's length you should first call this
* function with `*length' set to 0, as in the following example:
*
* {
* FT_ULong length = 0;
*
*
* error = FT_Load_Sfnt_Table( face, tag, 0, NULL, &length );
* if ( error ) { ... table does not exist ... }
*
* buffer = malloc( length );
* if ( buffer == NULL ) { ... not enough memory ... }
* if ( buffer == NULL ) { ... not enough memory ... }
*
* error = FT_Load_Sfnt_Table( face,tag, 0, buffer, &length );
* if ( error ) { ... could not load table ... }
* }
*/
FT_EXPORT( FT_Error )
FT_Load_Sfnt_Table( FT_Face face,
FT_ULong tag,
FT_Long offset,
FT_Byte* buffer,
FT_ULong* length );
FT_Load_Sfnt_Table( FT_Face face,
FT_ULong tag,
FT_Long offset,
FT_Byte* buffer,
FT_ULong* length );
/* */

5
src/autohint/ahglobal.c
View File

@ -4,7 +4,7 @@
/* */
/* Routines used to compute global metrics automatically (body). */
/* */
/* Copyright 2000-2001, 2002 Catharon Productions Inc. */
/* Copyright 2000-2001, 2002, 2003 Catharon Productions Inc. */
/* Author: David Turner */
/* */
/* This file is part of the Catharon Typography Project and shall only */
@ -323,7 +323,8 @@
if ( error )
goto Exit;
error = ah_outline_load( hinter->glyph, 0x10000L, 0x10000L, hinter->face );
error = ah_outline_load( hinter->glyph, 0x10000L, 0x10000L,
hinter->face );
if ( error )
goto Exit;

16
src/autohint/ahglobal.h
View File

@ -5,7 +5,7 @@
/* Routines used to compute global metrics automatically */
/* (specification). */
/* */
/* Copyright 2000-2001, 2002 Catharon Productions Inc. */
/* Copyright 2000-2001, 2002, 2003 Catharon Productions Inc. */
/* Author: David Turner */
/* */
/* This file is part of the Catharon Typography Project and shall only */
@ -34,16 +34,16 @@ FT_BEGIN_HEADER
#ifdef FT_CONFIG_CHESTER_SMALL_F
# define AH_IS_TOP_BLUE( b ) ( (b) == AH_BLUE_CAPITAL_TOP || \
(b) == AH_BLUE_SMALL_F_TOP || \
(b) == AH_BLUE_SMALL_TOP )
#define AH_IS_TOP_BLUE( b ) ( (b) == AH_BLUE_CAPITAL_TOP || \
(b) == AH_BLUE_SMALL_F_TOP || \
(b) == AH_BLUE_SMALL_TOP )
#else /* !CHESTER_SMALL_F */
#else /* !FT_CONFIG_CHESTER_SMALL_F */
# define AH_IS_TOP_BLUE( b ) ( (b) == AH_BLUE_CAPITAL_TOP || \
(b) == AH_BLUE_SMALL_TOP )
#define AH_IS_TOP_BLUE( b ) ( (b) == AH_BLUE_CAPITAL_TOP || \
(b) == AH_BLUE_SMALL_TOP )
#endif /* !CHESTER_SMALL_F */
#endif /* !FT_CONFIG_CHESTER_SMALL_F */
/* compute global metrics automatically */

8
src/autohint/ahglyph.c
View File

@ -5,7 +5,7 @@
/* Routines used to load and analyze a given glyph before hinting */
/* (body). */
/* */
/* Copyright 2000-2001, 2002 Catharon Productions Inc. */
/* Copyright 2000-2001, 2002, 2003 Catharon Productions Inc. */
/* Author: David Turner */
/* */
/* This file is part of the Catharon Typography Project and shall only */
@ -1358,12 +1358,12 @@
}
else
edge->link = edge2;
#else /* !CHESTER_SERIF */
#else /* !FT_CONFIG_CHESTER_SERIF */
if ( is_serif )
edge->serif = edge2;
else
edge->link = edge2;
#endif
#endif /* !FT_CONFIG_CHESTER_SERIF */
}
seg = seg->edge_next;
@ -1493,7 +1493,7 @@
best_dist = 64 / 2;
#else
if ( best_dist > 64 / 4 )
best_dist = 64 / 4;
best_dist = 64 / 4;
#endif
for ( blue = AH_BLUE_CAPITAL_TOP; blue < AH_BLUE_MAX; blue++ )

42
src/autohint/ahhint.c
View File

@ -4,7 +4,7 @@
/* */
/* Glyph hinter (body). */
/* */
/* Copyright 2000-2001, 2002 Catharon Productions Inc. */
/* Copyright 2000-2001, 2002, 2003 Catharon Productions Inc. */
/* Author: David Turner */
/* */
/* This file is part of the Catharon Typography Project and shall only */
@ -88,7 +88,9 @@
/* compute the snapped width of a given stem */
#ifdef FT_CONFIG_CHESTER_SERIF
static FT_Pos
ah_compute_stem_width( AH_Hinter hinter,
int vertical,
@ -218,7 +220,9 @@
return dist;
}
#else /* !CHESTER_SERIF */
#else /* !FT_CONFIG_CHESTER_SERIF */
static FT_Pos
ah_compute_stem_width( AH_Hinter hinter,
int vertical,
@ -332,7 +336,8 @@
return dist;
}
#endif /* !CHESTER_SERIF */
#endif /* !FT_CONFIG_CHESTER_SERIF */
/* align one stem edge relative to the previous stem edge */
@ -345,6 +350,7 @@
FT_Pos dist = stem_edge->opos - base_edge->opos;
#ifdef FT_CONFIG_CHESTER_SERIF
FT_Pos fitted_width = ah_compute_stem_width( hinter,
vertical,
dist,
@ -352,10 +358,14 @@
stem_edge->flags );
stem_edge->pos = base_edge->pos + fitted_width;
#else
stem_edge->pos = base_edge->pos +
ah_compute_stem_width( hinter, vertical, dist );
#endif
}
@ -509,7 +519,9 @@
if ( !anchor )
{
#ifdef FT_CONFIG_CHESTER_STEM
FT_Pos org_len, org_center, cur_len;
FT_Pos cur_pos1, error1, error2, u_off, d_off;
@ -556,14 +568,18 @@
edge->flags |= AH_EDGE_DONE;
ah_align_linked_edge( hinter, edge, edge2, dimension );
#else /* !CHESTER_STEM */
#else /* !FT_CONFIG_CHESTER_STEM */
edge->pos = ( edge->opos + 32 ) & -64;
anchor = edge;
edge->flags |= AH_EDGE_DONE;
ah_align_linked_edge( hinter, edge, edge2, dimension );
#endif /* !CHESTER_STEM */
#endif /* !FT_CONFIG_CHESTER_STEM */
}
else
{
@ -576,13 +592,19 @@
org_center = org_pos + ( org_len >> 1 );
#ifdef FT_CONFIG_CHESTER_SERIF
cur_len = ah_compute_stem_width( hinter, dimension, org_len,
edge->flags, edge2->flags );
#else /* !CHESTER_SERIF */
#else /* !FT_CONFIG_CHESTER_SERIF */
cur_len = ah_compute_stem_width( hinter, dimension, org_len );
#endif /* !CHESTER_SERIF */
#endif /* !FT_CONFIG_CHESTER_SERIF */
#ifdef FT_CONFIG_CHESTER_STEM
if ( cur_len < 96 )
{
FT_Pos u_off, d_off;
@ -638,7 +660,7 @@
edge2->pos = edge->pos + cur_len;
}
#else /* !CHESTER_STEM */
#else /* !FT_CONFIG_CHESTER_STEM */
cur_pos1 = ( org_pos + 32 ) & -64;
delta1 = ( cur_pos1 + ( cur_len >> 1 ) - org_center );
@ -653,7 +675,7 @@
edge->pos = ( delta1 <= delta2 ) ? cur_pos1 : cur_pos2;
edge2->pos = edge->pos + cur_len;
#endif /* !CHESTER_STEM */
#endif /* !FT_CONFIG_CHESTER_STEM */
edge->flags |= AH_EDGE_DONE;
edge2->flags |= AH_EDGE_DONE;
@ -1662,6 +1684,7 @@
}
#ifdef FT_CONFIG_CHESTER_BLUE_SCALE
/* try to optimize the y_scale so that the top of non-capital letters
* is aligned on a pixel boundary whenever possible
*/
@ -1689,6 +1712,7 @@
}
}
}
#endif /* FT_CONFIG_CHESTER_BLUE_SCALE */
/* now, we must check the current character pixel size to see if we */

32
src/autohint/ahtypes.h
View File

@ -5,7 +5,7 @@
/* General types and definitions for the auto-hint module */
/* (specification only). */
/* */
/* Copyright 2000-2001, 2002 Catharon Productions Inc. */
/* Copyright 2000-2001, 2002, 2003 Catharon Productions Inc. */
/* Author: David Turner */
/* */
/* This file is part of the Catharon Typography Project and shall only */
@ -387,24 +387,24 @@ FT_BEGIN_HEADER
#ifdef FT_CONFIG_CHESTER_SMALL_F
# define AH_BLUE_CAPITAL_TOP 0 /* THEZOCQS */
# define AH_BLUE_CAPITAL_BOTTOM ( AH_BLUE_CAPITAL_TOP + 1 ) /* HEZLOCUS */
# define AH_BLUE_SMALL_F_TOP ( AH_BLUE_CAPITAL_BOTTOM + 1 ) /* fijkdbh */
# define AH_BLUE_SMALL_TOP ( AH_BLUE_SMALL_F_TOP + 1 ) /* xzroesc */
# define AH_BLUE_SMALL_BOTTOM ( AH_BLUE_SMALL_TOP + 1 ) /* xzroesc */
# define AH_BLUE_SMALL_MINOR ( AH_BLUE_SMALL_BOTTOM + 1 ) /* pqgjy */
# define AH_BLUE_MAX ( AH_BLUE_SMALL_MINOR + 1 )
#define AH_BLUE_CAPITAL_TOP 0 /* THEZOCQS */
#define AH_BLUE_CAPITAL_BOTTOM ( AH_BLUE_CAPITAL_TOP + 1 ) /* HEZLOCUS */
#define AH_BLUE_SMALL_F_TOP ( AH_BLUE_CAPITAL_BOTTOM + 1 ) /* fijkdbh */
#define AH_BLUE_SMALL_TOP ( AH_BLUE_SMALL_F_TOP + 1 ) /* xzroesc */
#define AH_BLUE_SMALL_BOTTOM ( AH_BLUE_SMALL_TOP + 1 ) /* xzroesc */
#define AH_BLUE_SMALL_MINOR ( AH_BLUE_SMALL_BOTTOM + 1 ) /* pqgjy */
#define AH_BLUE_MAX ( AH_BLUE_SMALL_MINOR + 1 )
#else /* !CHESTER_SMALL_F */
#else /* !FT_CONFIG_CHESTER_SMALL_F */
# define AH_BLUE_CAPITAL_TOP 0 /* THEZOCQS */
# define AH_BLUE_CAPITAL_BOTTOM ( AH_BLUE_CAPITAL_TOP + 1 ) /* HEZLOCUS */
# define AH_BLUE_SMALL_TOP ( AH_BLUE_CAPITAL_BOTTOM + 1) /* xzroesc */
# define AH_BLUE_SMALL_BOTTOM ( AH_BLUE_SMALL_TOP + 1 ) /* xzroesc */
# define AH_BLUE_SMALL_MINOR ( AH_BLUE_SMALL_BOTTOM + 1 ) /* pqgjy */
# define AH_BLUE_MAX ( AH_BLUE_SMALL_MINOR + 1 )
#define AH_BLUE_CAPITAL_TOP 0 /* THEZOCQS */
#define AH_BLUE_CAPITAL_BOTTOM ( AH_BLUE_CAPITAL_TOP + 1 ) /* HEZLOCUS */
#define AH_BLUE_SMALL_TOP ( AH_BLUE_CAPITAL_BOTTOM + 1) /* xzroesc */
#define AH_BLUE_SMALL_BOTTOM ( AH_BLUE_SMALL_TOP + 1 ) /* xzroesc */
#define AH_BLUE_SMALL_MINOR ( AH_BLUE_SMALL_BOTTOM + 1 ) /* pqgjy */
#define AH_BLUE_MAX ( AH_BLUE_SMALL_MINOR + 1 )
#endif /* !CHESTER_SMALL_F */
#endif /* !FT_CONFIG_CHESTER_SMALL_F */
typedef FT_Int AH_Blue;