/* */
/* Auto-fitter hinting routines for latin script (specification). */
/* */
-/* Copyright 2003, 2004, 2005, 2006, 2007, 2009 by */
+/* Copyright 2003-2007, 2009, 2011 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
AF_DECLARE_SCRIPT_CLASS(af_latin_script_class)
-/* constants are given with units_per_em == 2048 in mind */
-#define AF_LATIN_CONSTANT( metrics, c ) \
+ /* constants are given with units_per_em == 2048 in mind */
+#define AF_LATIN_CONSTANT( metrics, c ) \
( ( (c) * (FT_Long)( (AF_LatinMetrics)(metrics) )->units_per_em ) / 2048 )
enum
{
- AF_LATIN_BLUE_ACTIVE = 1 << 0,
- AF_LATIN_BLUE_TOP = 1 << 1,
- AF_LATIN_BLUE_ADJUSTMENT = 1 << 2, /* used for scale adjustment */
- /* optimization */
+ AF_LATIN_BLUE_ACTIVE = 1 << 0, /* set if zone height is <= 3/4px */
+ AF_LATIN_BLUE_TOP = 1 << 1, /* result of AF_LATIN_IS_TOP_BLUE */
+ AF_LATIN_BLUE_ADJUSTMENT = 1 << 2, /* used for scale adjustment */
+ /* optimization */
AF_LATIN_BLUE_FLAG_MAX
};
FT_Fixed scale;
FT_Pos delta;
- FT_UInt width_count;
- AF_WidthRec widths[AF_LATIN_MAX_WIDTHS];
- FT_Pos edge_distance_threshold;
- FT_Pos standard_width;
- FT_Bool extra_light;
+ FT_UInt width_count; /* number of used widths */
+ AF_WidthRec widths[AF_LATIN_MAX_WIDTHS]; /* widths array */
+ FT_Pos edge_distance_threshold; /* used for creating edges */
+ FT_Pos standard_width; /* the default stem thickness */
+ FT_Bool extra_light; /* is standard width very light? */
/* ignored for horizontal metrics */
- FT_Bool control_overshoot;
FT_UInt blue_count;
AF_LatinBlueRec blues[AF_LATIN_BLUE_MAX];