diff options
Diffstat (limited to 'src/3rdparty/freetype/src/truetype/ttsubpix.c')
| -rw-r--r-- | src/3rdparty/freetype/src/truetype/ttsubpix.c | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/src/3rdparty/freetype/src/truetype/ttsubpix.c b/src/3rdparty/freetype/src/truetype/ttsubpix.c index d94bcc8b50..23a2e5b440 100644 --- a/src/3rdparty/freetype/src/truetype/ttsubpix.c +++ b/src/3rdparty/freetype/src/truetype/ttsubpix.c @@ -1,19 +1,19 @@ -/***************************************************************************/ -/* */ -/* ttsubpix.c */ -/* */ -/* TrueType Subpixel Hinting. */ -/* */ -/* Copyright 2010-2018 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* This file is part of the FreeType project, and may only be used, */ -/* modified, and distributed under the terms of the FreeType project */ -/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ -/* this file you indicate that you have read the license and */ -/* understand and accept it fully. */ -/* */ -/***************************************************************************/ +/**************************************************************************** + * + * ttsubpix.c + * + * TrueType Subpixel Hinting. + * + * Copyright (C) 2010-2019 by + * David Turner, Robert Wilhelm, and Werner Lemberg. + * + * This file is part of the FreeType project, and may only be used, + * modified, and distributed under the terms of the FreeType project + * license, LICENSE.TXT. By continuing to use, modify, or distribute + * this file you indicate that you have read the license and + * understand and accept it fully. + * + */ #include <ft2build.h> #include FT_INTERNAL_DEBUG_H @@ -30,35 +30,35 @@ #if defined( TT_USE_BYTECODE_INTERPRETER ) && \ defined( TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY ) - /*************************************************************************/ - /* */ - /* These rules affect how the TT Interpreter does hinting, with the */ - /* goal of doing subpixel hinting by (in general) ignoring x moves. */ - /* Some of these rules are fixes that go above and beyond the */ - /* stated techniques in the MS whitepaper on Cleartype, due to */ - /* artifacts in many glyphs. So, these rules make some glyphs render */ - /* better than they do in the MS rasterizer. */ - /* */ - /* "" string or 0 int/char indicates to apply to all glyphs. */ - /* "-" used as dummy placeholders, but any non-matching string works. */ - /* */ - /* Some of this could arguably be implemented in fontconfig, however: */ - /* */ - /* - Fontconfig can't set things on a glyph-by-glyph basis. */ - /* - The tweaks that happen here are very low-level, from an average */ - /* user's point of view and are best implemented in the hinter. */ - /* */ - /* The goal is to make the subpixel hinting techniques as generalized */ - /* as possible across all fonts to prevent the need for extra rules such */ - /* as these. */ - /* */ - /* The rule structure is designed so that entirely new rules can easily */ - /* be added when a new compatibility feature is discovered. */ - /* */ - /* The rule structures could also use some enhancement to handle ranges. */ - /* */ - /* ****************** WORK IN PROGRESS ******************* */ - /* */ + /************************************************************************** + * + * These rules affect how the TT Interpreter does hinting, with the + * goal of doing subpixel hinting by (in general) ignoring x moves. + * Some of these rules are fixes that go above and beyond the + * stated techniques in the MS whitepaper on Cleartype, due to + * artifacts in many glyphs. So, these rules make some glyphs render + * better than they do in the MS rasterizer. + * + * "" string or 0 int/char indicates to apply to all glyphs. + * "-" used as dummy placeholders, but any non-matching string works. + * + * Some of this could arguably be implemented in fontconfig, however: + * + * - Fontconfig can't set things on a glyph-by-glyph basis. + * - The tweaks that happen here are very low-level, from an average + * user's point of view and are best implemented in the hinter. + * + * The goal is to make the subpixel hinting techniques as generalized + * as possible across all fonts to prevent the need for extra rules such + * as these. + * + * The rule structure is designed so that entirely new rules can easily + * be added when a new compatibility feature is discovered. + * + * The rule structures could also use some enhancement to handle ranges. + * + * ****************** WORK IN PROGRESS ******************* + */ /* These are `classes' of fonts that can be grouped together and used in */ /* rules below. A blank entry "" is required at the end of these! */ |