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Remove unpatented hinter (2/3).

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* devel/ftoption.h (TT_CONFIG_OPTION_UNPATENTED_HINTING): Remove.
2.6.5
Nikolaus Waxweiler 9 years ago committed by Werner Lemberg
parent 6875093a17
commit 5b7871be12
2 changed files with 8 additions and 55 deletions
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  1. 6
      ChangeLog
  2. 57
      devel/ftoption.h

6
ChangeLog
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@ -1,3 +1,9 @@
2016-01-28 Nikolaus Waxweiler <madigens@gmail.com>
Remove unpatented hinter (2/3).
* devel/ftoption.h (TT_CONFIG_OPTION_UNPATENTED_HINTING): Remove.
2016-01-28 Nikolaus Waxweiler <madigens@gmail.com>
Remove unpatented hinter (1/3).

57
devel/ftoption.h
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@ -605,56 +605,6 @@ FT_BEGIN_HEADER
#define TT_CONFIG_OPTION_SUBPIXEL_HINTING
/*************************************************************************/
/* */
/* 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 = &parameter; */
/* */
/* 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 */
@ -856,14 +806,11 @@ FT_BEGIN_HEADER
/*
* 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

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