changelog.20

freetype:字库引擎,执行程序,用于安装 2.3.5

2001-05-29  David Turner  <[e-mail]>

	* INSTALL, docs/CHANGES: Updated.

2001-05-25  David Turner  <[e-mail]>

	Moved several documents from the top-level to the `docs' directory.

	* src/base/ftcalc.c (FT_DivFix): Small fix to return value.

2001-05-16  David Turner  <[e-mail]>

	* src/truetype/ttgload.c (load_truetype_glyph): Fixed a bug in the
	composite loader.  Spotted by Keith Packard.
	* src/base/ftobjs.c (FT_GlyphLoader_Check_Points,
	FT_GlyphLoader_Check_Subglyphs): Ditto.

2001-05-14  David Turner  <[e-mail]>

	Fixed the incorrect blue zone computations, and improved the
	composite support.  Note that these changes result in improved
	rendering, while sometimes introducing their own artefacts.  This is
	probably the last big change to the autohinter before the
	introduction of a complete replacement.

	* src/autohint/ahglobal.c (sort_values): Fix loop.
	* src/autohint/ahglyph.c: Removed some obsolete code.
	(ah_outline_compute_edges): Modify code to set the ah_edge_round
	flag.
	(ah_outline_compute_blue_edges): Add code to compute active blue
	zones.
	* src/autohint/ahhint.c (ah_hinter_glyph_load): Change load_flags
	value.

	* src/base/ftcalc.c (FT_DivFix): Fixed a bug in the 64-bit code that
	created incorrect scale factors!
	(FT_Round_Fix, FT_CeilFix, FT_FloorFix): Minor improvements.

2001-05-12  Werner Lemberg  <[e-mail]>

	* include/freetype/ftbbox.h: FTBBOX_H -> __FTBBOX_H__.
	* include/freetype/fttrigon.h: __FT_TRIGONOMETRY_H__ ->
	__FTTRIGON_H__.
	Include FT_FREETYPE_H.
	Beautified; added copyright.
	* src/base/fttrigon.c: Beautified; added copyright.

2001-05-11  David Turner  <[e-mail]>

	* src/cff/cffparse.c (cff_parse_font_matrix), src/cid/cidload.c
	(parse_font_matrix), src/type1/t1load.c (parse_font_matrix): Fixed
	the incorrect EM size computation.

	* include/freetype/fttrigon.h, src/base/fttrigon.c: New files,
	adding trigonometric functions to the core API (using Cordic
	algorithms).
	* src/base/ftbase.c, src/base/Jamfile, src/base/rules.mk: Use them.

	* builds/newline: New file.
	* builds/top_level.mk, builds/detect.mk: Use it.  This fixes
	problems with Make on Windows 2000, as well as problems when `make
	distclean' is invoked on a non-Unix platform when there is no
	`config.mk' in the current directory.

	* builds/freetype.mk: Fixed a problem with object deletions under
	Dos/Windows/OS/2 systems.

	Added new directory to hold tools and test programs.

	* docs/docmaker.py, docs/glnames.py: Moved to...
	* src/tools/docmaker.py, src/tools/glnames.py: This place.
	* src/tools/cordic.py: New file used to compute arctangent table
	needed by fttrigon.c.
	* src/tools/test_bbox.c, src/tools/test_trig.c: New test files.

	* src/tools/docmaker.py: Improved the script to add the current date
	at the footer of each web page (useful to distinguish between
	versions).

	* Jamfile: Fixed incorrect HDRMACRO argument.

	* TODO: Removed the cubic arc bbox computation note, since it has been
	fixed recently.
	* src/base/ftbbox.c (test_cubic_zero): Renamed to...
	(test_cubic_extrema): This function.  Use `UL' for unsigned long
	constants.

	* include/freetype/t1tables.h, include/freetype/config/ftoption.h:
	Formatting.

2001-05-10  David Turner  <[e-mail]>

	* src/base/ftobjs.c (FT_Open_Face): Fixed a small memory leak
	which happened when trying to open 0-size font files!

2001-05-09  Werner Lemberg  <[e-mail]>

	* include/freetype/internal/ftcalc.h: Move declaration of
	FT_SqrtFixed() out of `#ifdef FT_LONG64'.

2001-05-08  Francesco Zappa Nardelli  <[e-mail]>

	* src/pcfdriver.c (PCF_Load_Glyph): Fixed incorrect bitmap width
	computation.

2001-05-08  David Turner  <[e-mail]>

	* docs/docmaker.py: Updated the DocMaker script in order to add
	command line options (--output,--prefix,--title), fix the erroneous
	line numbers reported during errors and warnings, and other
	formatting issues.

	* src/base/ftcalc.c (FT_MulDiv, FT_MulFix, FT_DivFix): Various tiny
	fixes related to rounding in 64-bits routines and
	pseudo-`optimizations'.

2001-04-27  David Turner  <[e-mail]>

	* src/base/ftbbox.c (BBox_Cubic_Check): Fixed the coefficient
	normalization algorithm (invalid final bit position, and invalid
	shift computation).

2001-04-26  Werner Lemberg  <[e-mail]>

	* builds/unix/config.guess, builds/unix/config.sub: Updated to
	latest versions from gnu.org.

	* builds/compiler/gcc-dev.mk: Add `-Wno-long-long' flag.

	* include/freetype/internal/ftcalc.h: Define FT_SqrtFixed()
	unconditionally.
	* src/base/ftbbox.c: Include FT_INTERNAL_CALC_H.
	Fix compiler warnings.
	* src/base/ftcalc.c: Fix (potential) compiler warnings.

2001-04-26  David Turner  <[e-mail]>

	* src/base/ftcalc.c (FT_SqrtFixed): Corrected/optimized the 32-bit
	fixed-point square root computation.  It is now used even with
	64-bits integers, as it is _much_ faster than calling FT_Sqrt64 :-)

	* src/base/ftbbox.c: Removed invalid `#include FT_BEZIER_H' line.

2001-04-25  David Turner  <[e-mail]>

	* src/base/ftbbox.c (BBox_Cubic_Check): Rewrote function to use
	direct computations with 16.16 values instead of sub-divisions.  It
	is now slower, but proves a point :-)

	* src/raster/ftraster.c, src/smooth/ftgrays.c, src/base/ftbbox.c:
	Fixed the Bézier stack depths.

	* src/base/ftcalc.c (FT_MulFix): Minor rounding fix.

	* builds/beos: Added BeOS-specific files to the old build system
	(no changes were necessary to support BeOS in the Jamfile though).

2001-04-20  David Turner  <[e-mail]>

	* ftconfig.h, ftoption.h: Updated `ftconfig.h' to detect 64-bit int
	types on platforms where Autoconf is not available).  Also removed
	FTCALC_USE_LONG_LONG and replaced it with
	FT_CONFIG_OPTION_FORCE_INT64.

	* builds/win32/freetype.dsp: Updated the Visual C++ project file.
	Doesn't create a DLL yet.

	* cffgload.c: Removed a compilation warning.

2001-04-10  Tom Kacvinsky  <[e-mail]>

	* t1load.c (parse_charstrings): Changed code for placing .notdef
	glyph into slot 0 so that we no longer have a memory access
	violation.

	* t1load.h: In structure T1_Loader, added swap_table (of type
	PS_Table) to facilitate placing the .notdef glyph into slot 0.

2001-04-10  Francesco Zappa Nardelli  <[e-mail]>

	* src/pcf/pcfdriver.c (PCF_Get_Char_Index): Fix return value.

2001-04-09  Laurence Withers  <[e-mail]>

	* builds/dos/detect.mk: Add support for bash.

2001-04-05  Werner Lemberg  <[e-mail]>

	* builds/os2/*.mk: These files have been forgotten to update to
	the structure of similar makefiles.
	* builds/dos/*.mk: Ditto.
	* builds/ansi/*.mk: Ditto.

	* builds/win32/win32-def.mk (BUILD): Fix typo.

	* builds/compiler/*.mk (CLEAN_LIBRARY): Don't use NO_OUTPUT.
	This is already used in the link_*.mk files.

2001-04-03  Werner Lemberg  <[e-mail]>

	* src/*/Jamfile: Slight changes	to make files more cryptic.

2001-04-03  Werner Lemberg  <[e-mail]>

	* Jamfile, src/Jamfile, src/*/Jamfile: Formatted.  Slight changes
	to give files identical structure.

2001-04-02  Werner Lemberg  <[e-mail]>

	* CHANGES: Reformatted, minor fixes.
	* TODO: Updated.
	* README: Formatting.
	* include/freetype/freetype.h: Formatting.

	* Jamfile: Fix typo.

	* src/cff/cffparse.c: Move error code #defines to...
	* include/freetype/internal/cfferrs.h: This file.
	* src/cff/cffdrivr.c, src/cff/cffobjs.c, src/cff/cffload.c: Replaced
	`FT_Err_*' with `CFF_Err_*'.
	* src/cid/cidparse.c: Replaced `FT_Err_*' with `T1_Err_*'.
	* src/psaux/psobjs.c, src/psaux/t1decode.c: Ditto.
	* src/sfnt/sfobcs.c, src/sfnt/ttload.c: Replaced `FT_Err_*' with
	`TT_Err_*'.
	* src/truetype/ttgload.c, src/truetype/ttobjs.c: Ditto.
	* src/type1/t1gload.c, src/type1/t1load.c, src/type1/t1objs.c,
	src/type1/t1parse.c: Replaced `FT_Err_*' with `T1_Err_*'.

	* include/freetype/internal/cfferrs.h: Add
	`CFF_Err_Unknown_File_Format'.
	* include/freetype/internal/t1errors.h: Add
	`T1_Err_Unknown_File_Format'.
	* include/freetype/internal/tterrors.h: Add
	`TT_Err_Unknown_File_Format'.

	* src/cff/cffload.h: Add `cff_*_encoding' and `cff_*_charset'
	references.
	* src/psaux/psobjs.c: Include `FT_INTERNAL_TYPE1_ERRORS_H'.

	* src/cff/cffobjs.c (CFF_Init_Face, CFF_Done_Face): Use
	FT_LOCAL_DEF.
	* src/cid/cidobjs.c (CID_Done_Driver): Ditto.
	* src/trutype/ttobjs.c (TT_Init_Face, TT_Done_Face, TT_Init_Size):
	Ditto.
	* src/type1/t1objs.c (T1_Done_Driver): Ditto.
	* src/pcf/pcfdriver.c (PCF_Done_Face): Ditto.
	* src/pcf/pcf.h: Use FT_LOCAL for `PCF_Done_Face'.

2001-04-02  Tom Kacvinsky  <[e-mail]>

	* src/sfnt/ttload.c (TT_Load_Metrics): Fix an improper pointer
	dereference.  Submitted by Herbert Duerr <[e-mail]>.

2001-03-26  Tom Kacvinsky  <[e-mail]>

	* include/freetype/config/ftconfig.h: Changed hexadecimal
	constants to use suffix U to avoid problems with HP-UX's c89
	compiler.  Submitted by G.W. Lucas <[e-mail]>.

2001-03-24  David Turner  <[e-mail]>

	* Jamrules, Jamfile, src/Jamfile, src/*/Jamfile: Adding jamfiles to
	the source tree.  See www.freetype.org/jam/index.html for details.


	* Version 2.0.2 released.
	=========================


2001-03-20  Werner Lemberg  <[e-mail]>

	* builds/win32/detekt.mk: Fix .PHONY target for Intel compiler.

2001-03-20  David Turner  <[e-mail]>

	* include/freetype/config/ftheader.h, include/freetype/ftsnames.h:
	Renamed `ftnames.h' to `ftsnames.h', and FT_NAMES_H to
	FT_SFNT_NAMES_H.

	* docs/docmaker.py: Added generation of INDEX link in table of
	contents.

	* INSTALL, docs/BUILD: Updated documentation to indicate that the
	compilation process has changed slightly (no more `src' required in
	the include path).

	* builds/*/*-def.mk: Changed the objects directory from `obj' to
	`objs'.

	* include/freetype/config/ftheader.h: Removed obsolete macros like
	FT_SOURCE_FILE, etc. and added cache-specific macro definitions that
	were previously defined in <freetype/ftcache.h>.  Added comments to
	be included in a new API Reference section.

	* src/*/*: Removed the use of FT_SOURCE_FILE, etc.  Now, each
	component needs to add its own directory to the include path at
	compile time.  Modified all `rules.mk' and `descrip.mms'
	accordingly.

2001-03-20  Werner Lemberg  <[e-mail]>

	* builds/unix/configure.in: Add $ft_version.
	* builds/unix/freetype-config.in: Use it.
	* builds/unix/configure: Updated.

2001-03-19  Tom Kacvinsky  <[e-mail]>

	* src/type1/t1load.c (parse_font_matrix): Assign the units per em
	value an unsigned short value, first by shifting right 16 bits,
	then by casting the results to FT_UShort.

	* src/cff/cffparse.c (cff_parse_font_bbox): Assign the units per em
	value an unsigned short value, first by shifting right 16 bits,
	then by casting the results to FT_UShort.

2001-03-17  David Turner  <[e-mail]>

	* src/cid/cidobjs.c, src/cid/cidload.c, src/pcf/pcfread.c,
	src/type1/t1load.c, src/type1/t1objs.c: Added a few casts to remove
	compiler warnings in pedantic modes.

	* include/config/ft2build.h, include/config/ftheader.h: The file
	`ft2build.h' was renamed to `ftheader.h' to avoid conflicts with the
	top-level <ft2build.h>.

	* include/config/ftheader.h: Added new section describing the #include
	macros.

2001-03-17  Tom Kacvinsky  <[e-mail]>

	* src/cff/cffparse.c (cff_parse_font_bbox): Obtain rounded FT_Fixed
	values for the bounding box numbers.

	* src/cff/cffobjs.c (CFF_Init_Face): When processing a CFF/CEF font,
	set `root->ascender' (`root->descender') to the integer part of
	`root->bbox.yMax' (`root->bbox.yMin', respectively).

2001-03-16  Tom Kacvinsky  <[e-mail]>

	* src/cff/cffdrivr.c (get_cff_glyph_name):  New function.  Used in
	cff_get_interface to facilitate getting a glyph name for glyph index
	via FT_Get_Glyph_Name().

	(cff_get_interface): Added support for getting a glyph name via the
	`glyph_name' module interface.  Uses the new function
	get_cff_glyph_name().
	Submitted by Sander van der Wal <[e-mail]>.

	* src/cff/cffobjs.c (CFF_Init_Face): Logical or the face flags with
	FT_FACE_FLAG_GLYPH_NAMES only if FT_CONFIG_OPTION_NO_GLYPH_NAMES is
	not defined.  This is to add support for getting a glyph name from a
	glyph index via FT_Get_Glyph_Name().
	Submitted by Sander van der Wal <[e-mail]>.

	* src/cff/cffgload.c (CFF_Parse_CharStrings): Added support for
	deprecated operator `dotsection'.
	Submitted by Sander van der Wal <[e-mail]>.

2001-03-12  Werner Lemberg  <[e-mail]>

	* src/psaux/t1decode.c (T1_Decoder_Parse_Charstrings): Fix error
	messages.

	* INSTALL, docs/BUILD: We need GNU make 3.78.1 or newer.

2001-03-12  Tom Kacvinsky  <[e-mail]>

	* include/freetype/internal/psaux.h:  Changed the lenIV member of
	the T1_Decoder