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- This file describes various problems that have been encountered in
- compiling, installing and running FreeType 2. Suggestions for
- additions or other improvements to this file are welcome.
- ----------------------------------------------------------------------
- Running Problems
- ================
- * Some Type 1, Multiple Masters, and CID-keyed PostScript fonts aren't
- handled correctly.
- -----
- Of course, there might be bugs in FreeType, but some fonts based on
- the PostScript format can't be handled indeed. The reason is that
- FreeType doesn't contain a full PostScript interpreter but applies
- pattern matching instead. In case a font doesn't follow the standard
- structure of the given font format, FreeType fails. A typical example
- is Adobe's `Optima' font family which contains extra code to switch
- between low and high resolution versions of the glyphs.
- It might be possible to patch FreeType in some situations, though.
- Please report failing fonts so that we investigate the problem and set
- up a list of such problematic fonts.
- * Why do identical FreeType versions render differently on different
- platforms?
- -----
- Different distributions compile FreeType with different options. The
- developer version of a distribution's FreeType package, which is
- needed to compile your program against FreeType, includes the file
- ftoption.h. Compare each platform's copy of ftoption.h to find the
- differences.
- ----------------------------------------------------------------------
- Compilation Problems
- ====================
- * I get an `internal compilation error' (ICE) while compiling FreeType
- 2.2.1 with Intel C++.
- This has been reported for the following compiler version:
- Intel(R) C++ Compiler for 32-bit applications,
- Version 9.0 Build 20050430Z Package ID: W_CC_P_9.0.019
- -----
- The best solution is to update the compiler to version
- Intel(R) C++ Compiler for 32-bit applications,
- Version 9.1 Build 20060323Z Package ID: W_CC_P_9.1.022
- or newer. If this isn't feasible, apply the following patch.
- --- src/cache/ftcbasic.c 20 Mar 2006 12:10:24 -0000 1.20
- +++ src/cache/ftcbasic.c.patched 15 May 2006 02:51:02 -0000
- @@ -252,7 +252,7 @@
- */
- FT_CALLBACK_TABLE_DEF
- - const FTC_IFamilyClassRec ftc_basic_image_family_class =
- + FTC_IFamilyClassRec ftc_basic_image_family_class =
- {
- {
- sizeof ( FTC_BasicFamilyRec ),
- @@ -266,7 +266,7 @@
- FT_CALLBACK_TABLE_DEF
- - const FTC_GCacheClassRec ftc_basic_image_cache_class =
- + FTC_GCacheClassRec ftc_basic_image_cache_class =
- {
- {
- ftc_inode_new,
- ----------------------------------------------------------------------
- --- end of PROBLEMS ---
|
