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kc3-lang/freetype/docs/PROBLEMS
Werner Lemberg
- docs/PROBLEMS
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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 behandled 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. ---------------------------------------------------------------------- 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 ---