diff --git a/ChangeLog b/ChangeLog index 97febf8e3..64dc91cc3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,38 +1,50 @@ 2001-05-11 David Turner - * src/cff/cffparse.c, src/cid/cidload.c, src/type1/t1load.c: fixed - the incorrect EM size computation + * 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, src/base/ftbase.c, - src/base/Jamfile, src/base/rules.mk: adding trigonometric functions - to the core API (using Cordic algorithms). + * 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/top_level.mk, builds/newline, builds/detect.mk: fixed 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/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 + * builds/freetype.mk: Fixed a problem with object deletions under + Dos/Windows/OS/2 systems. - * src/tools: added new directory to hold tools and test programs - moved docmaker.py, glnames.py to it.. + Added new directory to hold tools and test programs. - * src/tools/docmaker.py: improved the script to add the current date - at the footer of each web page (useful to distinguish between versions) + * 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. - * Jamfile: fixed incorrect HDRMACRO argument. + * src/tools/docmaker.py: Improved the script to add the current date + at the footer of each web page (useful to distinguish between + versions). - * TODO: removed the cubic arc bbox computation note, since it has been - fixed recently.. + * Jamfile: Fixed incorrect HDRMACRO argument. - * include/freetype/t1tables.h, include/freetype/config/ftoption.h: - formatting + * 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 - * src/base/ftobjs.c (FT_Open_Face): fixed a small memory leaked - which happened when trying to open 0-size font files !! + * 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 diff --git a/builds/detect.mk b/builds/detect.mk index fbd85d5c5..fbdbee5ad 100644 --- a/builds/detect.mk +++ b/builds/detect.mk @@ -132,7 +132,7 @@ std_setup: @$(COPY) $(CONFIG_RULES) $(CONFIG_MK) -# special case for Dos, Windows, OS/2, where echo "" doesn't work correctly !! +# Special case for Dos, Windows, OS/2, where echo "" doesn't work correctly! # dos_setup: @type builds\newline diff --git a/builds/freetype.mk b/builds/freetype.mk index a25ed2a27..53f0e8537 100644 --- a/builds/freetype.mk +++ b/builds/freetype.mk @@ -273,8 +273,8 @@ distclean_project_std: clean_project_std # The Dos command shell does not support very long list of arguments, so # we are stuck with wildcards. # -# don't break the command lines with, this prevents the "del" command from -# working correctly on Win9x +# Don't break the command lines with; this prevents the "del" command from +# working correctly on Win9x. # clean_project_dos: -$(DELETE) $(subst $(SEP),$(HOSTSEP),$(OBJ_))*.$O $(CLEAN) $(NO_OUTPUT) diff --git a/builds/toplevel.mk b/builds/toplevel.mk index 086f918e3..05a8597cb 100644 --- a/builds/toplevel.mk +++ b/builds/toplevel.mk @@ -97,11 +97,11 @@ ifdef check_platform # GNU make. Similarly, `nul' is created if e.g. `make setup win32' has # been erroneously used. # - # note: this test is duplicated in "builds/toplevel.mk" + # note: This test is duplicated in "builds/toplevel.mk". + # is_unix := $(strip $(wildcard /sbin/init) $(wildcard /hurd/auth)) ifneq ($(is_unix),) - distclean: $(RM) builds/unix/config.cache $(RM) builds/unix/config.log diff --git a/builds/unix/detect.mk b/builds/unix/detect.mk index 52e0075db..5f53f84d1 100644 --- a/builds/unix/detect.mk +++ b/builds/unix/detect.mk @@ -16,7 +16,8 @@ ifeq ($(PLATFORM),ansi) - # note: this test is duplicated in "builds/toplevel.mk" + # Note: this test is duplicated in "builds/toplevel.mk". + # is_unix := $(strip $(wildcard /sbin/init) $(wildcard /hurd/auth)) ifneq ($(is_unix),) diff --git a/src/base/ftbbox.c b/src/base/ftbbox.c index 67fcbdeab..d6e11d246 100644 --- a/src/base/ftbbox.c +++ b/src/base/ftbbox.c @@ -357,7 +357,7 @@ FT_Fixed t; - /* we need to solve "ax^2+2bx+c" here, without floating points! */ + /* We need to solve "ax^2+2bx+c" here, without floating points! */ /* The trick is to normalize to a different representation in order */ /* to use our 16.16 fixed point routines. */ /* */ @@ -373,25 +373,25 @@ int shift = 0; - /* technical explanation of what's happening there */ + /* Technical explanation of what's happening there. */ /* */ - /* the following computation is based on the fact that for */ + /* The following computation is based on the fact that for */ /* any value "y", if "n" is the position of the most */ /* significant bit of "abs(y)" (starting from 0 for the */ /* least significant bit), then y is in the range */ /* */ /* "-2^n..2^n-1" */ /* */ - /* we want to shift "a", "b" and "c" concurrently in order */ + /* We want to shift "a", "b" and "c" concurrently in order */ /* to ensure that they all fit in 8.16 values, which maps */ - /* to the integer range "-2^23..2^23-1" */ + /* to the integer range "-2^23..2^23-1". */ /* */ - /* necessarily, we need to shift "a", "b" and "c" so that */ + /* Necessarily, we need to shift "a", "b" and "c" so that */ /* the most significant bit of their absolute values is at */ - /* _most_ at position 23 */ + /* _most_ at position 23. */ /* */ - /* we begin by computing "t1" as the bitwise "or" of the */ - /* absolute values of "a", "b", "c" */ + /* We begin by computing "t1" as the bitwise "or" of the */ + /* absolute values of "a", "b", "c". */ /* */ t1 = (FT_ULong)((a >= 0) ? a : -a ); t2 = (FT_ULong)((b >= 0) ? b : -b ); @@ -399,31 +399,30 @@ t2 = (FT_ULong)((c >= 0) ? c : -c ); t1 |= t2; - /* now, the most significant bit of "t1" is sure to be the */ + /* Now, the most significant bit of "t1" is sure to be the */ /* msb of one of "a", "b", "c", depending on which one is */ - /* expressed in the greatest integer range.. */ + /* expressed in the greatest integer range. */ /* */ - /* we will now compute the "shift", by shifting "t1" as many */ + /* We now compute the "shift", by shifting "t1" as many */ /* times as necessary to move its msb to position 23. */ /* */ - /* this corresponds to a value of t1 that is in the range */ - /* 0x40_0000..0x7F_FFFF */ + /* This corresponds to a value of t1 that is in the range */ + /* 0x40_0000..0x7F_FFFF. */ /* */ - /* finally, we shift "a", "b" and "c" by the same amount. */ - /* this ensure that all values are now in the range */ - /* -2^23..2^23, i.e. that they're now expressed as 8.16 */ - /* fixed float numbers.. */ + /* Finally, we shift "a", "b" and "c" by the same amount. */ + /* This ensures that all values are now in the range */ + /* -2^23..2^23, i.e. that they are now expressed as 8.16 */ + /* fixed float numbers. */ /* */ - /* this also means that we're using 24 bits of precision */ + /* This also means that we are using 24 bits of precision */ /* to compute the zeros, independently of the range of */ /* the original polynom coefficients. */ /* */ - /* this should ensure reasonably accurate values for the */ - /* zeros. Note that the latter are only expressed with */ + /* This should ensure reasonably accurate values for the */ + /* zeros. Note that the latter are only expressed with */ /* 16 bits when computing the extrema (the zeros need to */ - /* be in 0..1 exclusive to be considered part of the arc) */ + /* be in 0..1 exclusive to be considered part of the arc). */ /* */ - if ( t1 == 0 ) /* all coefficients are 0! */ return; @@ -435,8 +434,8 @@ t1 >>= 1; } while ( t1 > 0x7FFFFFUL ); - /* losing some bits of precision, but we'll use 24 of them */ - /* for the computation anyway.. */ + /* losing some bits of precision, but we use 24 of them */ + /* for the computation anyway. */ a >>= shift; b >>= shift; c >>= shift;