ref: 5b7871be12beeb7571e757560c6e76d9f7c8a648
parent: 6875093a178c0dffc98e249006094e7a7b0a518d
author: Nikolaus Waxweiler <[email protected]>
date: Thu Jan 28 07:27:46 EST 2016
Remove unpatented hinter (2/3). * devel/ftoption.h (TT_CONFIG_OPTION_UNPATENTED_HINTING): Remove.
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2016-01-28 Nikolaus Waxweiler <[email protected]>
+ Remove unpatented hinter (2/3).
+
+ * devel/ftoption.h (TT_CONFIG_OPTION_UNPATENTED_HINTING): Remove.
+
+2016-01-28 Nikolaus Waxweiler <[email protected]>
+
Remove unpatented hinter (1/3).
* src/truetype/ttinterp.c [TT_CONFIG_OPTION_UNPATENTED_HINTING]:
--- a/devel/ftoption.h
+++ b/devel/ftoption.h
@@ -607,56 +607,6 @@
/*************************************************************************/
/* */
- /* If you define TT_CONFIG_OPTION_UNPATENTED_HINTING, a special version */
- /* of the TrueType bytecode interpreter is used that doesn't implement */
- /* any of the patented opcodes and algorithms. The patents related to */
- /* TrueType hinting have expired worldwide since May 2010; this option */
- /* is now deprecated. */
- /* */
- /* Note that the TT_CONFIG_OPTION_UNPATENTED_HINTING macro is *ignored* */
- /* if you define TT_CONFIG_OPTION_BYTECODE_INTERPRETER; in other words, */
- /* either define TT_CONFIG_OPTION_BYTECODE_INTERPRETER or */
- /* TT_CONFIG_OPTION_UNPATENTED_HINTING but not both at the same time. */
- /* */
- /* This macro is only useful for a small number of font files (mostly */
- /* for Asian scripts) that require bytecode interpretation to properly */
- /* load glyphs. For all other fonts, this produces unpleasant results, */
- /* thus the unpatented interpreter is never used to load glyphs from */
- /* TrueType fonts unless one of the following two options is used. */
- /* */
- /* - The unpatented interpreter is explicitly activated by the user */
- /* through the FT_PARAM_TAG_UNPATENTED_HINTING parameter tag */
- /* when opening the FT_Face. */
- /* */
- /* - FreeType detects that the FT_Face corresponds to one of the */
- /* `trick' fonts (e.g., `Mingliu') it knows about. The font engine */
- /* contains a hard-coded list of font names and other matching */
- /* parameters (see function `tt_face_init' in file */
- /* `src/truetype/ttobjs.c'). */
- /* */
- /* Here a sample code snippet for using FT_PARAM_TAG_UNPATENTED_HINTING. */
- /* */
- /* { */- /* FT_Parameter parameter; */
- /* FT_Open_Args open_args; */
- /* */
- /* */
- /* parameter.tag = FT_PARAM_TAG_UNPATENTED_HINTING; */
- /* */
- /* open_args.flags = FT_OPEN_PATHNAME | FT_OPEN_PARAMS; */
- /* open_args.pathname = my_font_pathname; */
- /* open_args.num_params = 1; */
- /* open_args.params = ¶meter; */
- /* */
- /* error = FT_Open_Face( library, &open_args, index, &face ); */
- /* ... */
- /* } */
- /* */
-/* #define TT_CONFIG_OPTION_UNPATENTED_HINTING */
-
-
- /*************************************************************************/
- /* */
/* Define TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED to compile the */
/* TrueType glyph loader to use Apple's definition of how to handle */
/* component offsets in composite glyphs. */
@@ -856,13 +806,10 @@
/*
- * This macro is defined if either unpatented or native TrueType
- * hinting is requested by the definitions above.
+ * This macro is defined if native TrueType hinting is requested by the
+ * definitions above.
*/
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
-#define TT_USE_BYTECODE_INTERPRETER
-#undef TT_CONFIG_OPTION_UNPATENTED_HINTING
-#elif defined TT_CONFIG_OPTION_UNPATENTED_HINTING
#define TT_USE_BYTECODE_INTERPRETER
#endif