forked from minhngoc25a/freetype2
Formatting.
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Werner Lemberg
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0fe9763135
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153
docs/CHANGES
153
docs/CHANGES
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LATEST CHANGES BETWEEN 2.0.4 and 2.0.3
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- fixed a rather annoying bug that was introduced in 2.0.3.
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Namely, the font transform set through FT_Set_Transform was applied
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twiced to auto-hinted glyphs, resulting in incorrect rotated text
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output
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- Fixed a rather annoying bug that was introduced in 2.0.3. Namely, the
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font transformation set through FT_Set_Transform was applied twice to
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auto-hinted glyphs, resulting in incorrectly rotated text output.
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- fixed _many_ compiler warnings. FT2 should now compile cleanly with
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Visual C++'s most pedantic warning level (/W4). It already compiled
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fine with GCC and a few other compilers..
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- Fixed _many_ compiler warnings. FT2 should now compile cleanly with
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Visual C++'s most pedantic warning level (/W4). It already compiled
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fine with GCC and a few other compilers.
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- fixed the Visual C++ project files located in "builds/win32/visualc"
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(previous versions used older names of the library)
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- Fixed the Visual C++ project files located in "builds/win32/visualc"
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(previous versions used older names of the library).
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- many 32-bit constants have an "L" appended to their value, in order
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to improve the 16-bitness of the code. Someone is actually trying to
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use FT2 on an Atari ST machine !!
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- Many 32-bit constants have an "L" appended to their value, in order
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to improve the 16-bitness of the code. Someone is actually trying to
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use FT2 on an Atari ST machine!
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- updated the "builds/detect.mk" file in order to automatically build
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FT2 on AIX systems. AIX does define "/usr/sbin/init" instead of
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"/sbin/init" and wasn't previously detected as a Unix platform. by
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the FreeType build system.
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- Updated the "builds/detect.mk" file in order to automatically build
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FT2 on AIX systems. AIX uses "/usr/sbin/init" instead of "/sbin/init"
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and wasn't previously detected as a Unix platform by the FreeType build
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system.
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- updated the Unix-specific portions of the build system (new libtool
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version, etc..)
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- Updated the Unix-specific portions of the build system (new libtool
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version, etc.).
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============================================================================
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LATEST CHANGES BETWEEN 2.0.3 and 2.0.2
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I. CHANGES TO THE MODULES / FONT DRIVERS :
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I. CHANGES TO THE MODULES / FONT DRIVERS
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- THE AUTO-HINTER HAS BEEN SLIGHTLY IMPROVED, in order to fix several
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annoying artefacts, mainly:
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- blue zone alignement of horizontal stems wasn't performed
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correctly, resulting in artefacts like the "d" being placed
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one pixel below the "b" in some fonts like Time New Roman
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- Blue zone alignement of horizontal stems wasn't performed
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correctly, resulting in artefacts like the "d" being placed one
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pixel below the "b" in some fonts like Time New Roman.
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- overshoot thresholding wasn't performed correctly, creating
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unpleasant artefacts at large character pixel sizes
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- Overshoot thresholding wasn't performed correctly, creating
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unpleasant artefacts at large character pixel sizes.
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- composite glyph loading has been simplified. This gets rid
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- Composite glyph loading has been simplified. This gets rid
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of various artefacts where the components of a composite glyphs
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were not correctly spaced.
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These are the last changes to the current auto-hinting module.
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A new hinting sub-system is currently in the work in order to
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support native hints in Type 1 / CFF / OpenType fonts, as well
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as globally improve rendering
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These are the last changes to the current auto-hinting module. A new
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hinting sub-system is currently in the work in order to support native
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hints in Type 1 / CFF / OpenType fonts, as well as globally improve
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rendering.
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- The PCF driver has been fixed. It reported invalid glyph dimensions
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- The PCF driver has been fixed. It reported invalid glyph dimensions
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for the fonts available on Solaris.
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- The Type 1, CID and CFF drivers have been modified to fix the
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computation of the EM size
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computation of the EM size.
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- The Type 1 driver has been fixed to avoid a dangerous bug that
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crashed the library with non-conforming fonts (i.e. ones that
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do not place the .notdef glyph at position 0)
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crashed the library with non-conforming fonts (i.e. ones that do not
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place the .notdef glyph at position 0).
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- The TrueType driver had a rather subtle bug (dangling pointer when
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loading composite glyphs) that could crash the library in rare
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occasions !
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occasions!
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II. HIGH-LEVEL API CHANGES :
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II. HIGH-LEVEL API CHANGES
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- the error code enumeration values have been changed. An error
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value is decomposed in a generic error code, and a module number.
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see <freetype/fterrors.h> for details
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- The error code enumeration values have been changed. An error value
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is decomposed in a generic error code, and a module number. see
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<freetype/fterrors.h> for details.
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- a new public header file has been introduced, named FT_TRIGONOMETRY_H
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- A new public header file has been introduced, named FT_TRIGONOMETRY_H
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(include/freetype/fttrig.h), providing trigonometric functions to
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compute sines, cosines, arctangents, etc.. with 16.16 fixed
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precision. The implementation is based on the CORDIC algorithm
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and is very fast while being sufficiently accurate.
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compute sines, cosines, arctangents, etc. with 16.16 fixed precision.
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The implementation is based on the CORDIC algorithm and is very fast
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while being sufficiently accurate.
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III. INTERNALS :
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III. INTERNALS
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- added BeOS-specific files in the old build sub-system. Note that
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- Added BeOS-specific files in the old build sub-system. Note that
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no changes were required to compile the library with Jam.
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- the configuration is now capable of automatically detecting 64-bit
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integers on a set of predefined compilers (GCC,Visual C++,Borland C++)
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and will use them by default. This provides a small performance
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boost
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- The configuration is now capable of automatically detecting 64-bit
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integers on a set of predefined compilers (GCC, Visual C++, Borland
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C++) and will use them by default. This provides a small performance
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boost.
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- a small memory leak that happened when opening 0-sized files (duh !!)
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have been fixed..
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- A small memory leak that happened when opening 0-sized files (duh!)
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have been fixed.
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- fixed bezier stack depth bug in the routines provided by the
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FT_BBOX_H header file. Also fixed similar bugs in the rasterizers.
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- Fixed bezier stack depth bug in the routines provided by the
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FT_BBOX_H header file. Also fixed similar bugs in the rasterizers.
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- the outling bounding box code has been rewritten to use direct
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computations, instead of bezier sub-division, to compute the
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exact bounding box of glyphs. This is slightly slower but more
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accurate.
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- The outline bounding box code has been rewritten to use direct
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computations, instead of bezier sub-division, to compute the exact
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bounding box of glyphs. This is slightly slower but more accurate.
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- The build system has been improved and fixed, mainly to support "make"
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on Windows 2000 correctly, avoid problems with "make distclean" on
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non Unix systems, etc..
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on Windows 2000 correctly, avoid problems with "make distclean" on non
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Unix systems, etc.
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- hexadecimal constants have been suffixed with "U" to avoid problems
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- Hexadecimal constants have been suffixed with "U" to avoid problems
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with certain compilers on 64-bit platforms.
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- a new directory named "src/tools" has been created. It contains
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- A new directory named "src/tools" has been created. It contains
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Python scripts and simple unit test programs used to develop the
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library.
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- the DocMaker tool has been moved from "docs" to "src/tools" and
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- The DocMaker tool has been moved from "docs" to "src/tools" and
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has been updated with the following:
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- now accepts the "--title=XXXX" or "-t XXXX" option from the
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command line to set the project's name in the generated
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API reference
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- Now accepts the "--title=XXXX" or "-t XXXX" option from the
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command line to set the project's name in the generated API
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reference.
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- now accepts the "--output=DIR" or "-o DIR" option from the
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command line to set the output directory for all generated
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HTML files
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- Now accepts the "--output=DIR" or "-o DIR" option from the
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command line to set the output directory for all generated HTML
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files.
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- now accepts the "--prefix=XXXX" or "-p XXX" option from the
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command line to set the file prefix to use for all generated
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HTML files.
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- Now accepts the "--prefix=XXXX" or "-p XXX" option from the
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command line to set the file prefix to use for all generated HTML
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files.
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- now generates the current time/data on each generated page
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- Now generates the current time/data on each generated page
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in order to distinguish between versions.
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DocMaker can be used with other projects now, not only FT2
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(e.g. MLib, FTLayout, etc..)
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DocMaker can be used with other projects now, not only FT2 (e.g. MLib,
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FTLayout, etc.).
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===========================================================================
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LATEST CHANGES BETWEEN 2.0.2 and 2.0.1
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I. CHANGES TO THE MODULES / FONT DRIVERS:
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I. CHANGES TO THE MODULES / FONT DRIVERS
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- THE TRUETYPE BYTECODE INTERPRETER IS NOW TURNED OFF, in order to
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avoid legal problems with the Apple patents. It seems that we
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@ -226,7 +225,6 @@ LATEST CHANGES BETWEEN 2.0.2 and 2.0.1
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III. CHANGES TO THE BUILD PROCESS
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- If you are not building FreeType 2 with its own build system
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(but with your own Makefiles or project files), you will need to
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be aware that the build process has changed a little bit.
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@ -256,8 +254,7 @@ LATEST CHANGES BETWEEN 2.0.2 and 2.0.1
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======================================================================
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LATEST CHANGES BETWEEN 2.0.1 and 2.0:
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LATEST CHANGES BETWEEN 2.0.1 and 2.0
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2.0.1 introduces a few changes:
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