ref: 6cfbb23ca3665b52357119444a4ba2abd6e489fc
parent: e7d1fb3142b5e79b83a6267e1a838341b05fc154
author: Werner Lemberg <[email protected]>
date: Sat Feb 26 12:32:38 EST 2011
[autofit] Some comments. Whitespace.
--- a/src/autofit/aflatin.h
+++ b/src/autofit/aflatin.h
@@ -4,7 +4,7 @@
/* */
/* 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, */
@@ -30,8 +30,8 @@
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 )
@@ -76,10 +76,10 @@
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
};
@@ -98,11 +98,11 @@
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;
--- a/src/autofit/afloader.c
+++ b/src/autofit/afloader.c
@@ -4,7 +4,7 @@
/* */
/* Auto-fitter glyph loading routines (body). */
/* */
-/* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
+/* Copyright 2003-2009, 2011 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -22,6 +22,8 @@
#include "aferrors.h"
+ /* Initialize glyph loader. */
+
FT_LOCAL_DEF( FT_Error )
af_loader_init( AF_Loader loader,
FT_Memory memory )
@@ -36,6 +38,8 @@
}
+ /* Reset glyph loader and compute globals if necessary. */
+
FT_LOCAL_DEF( FT_Error )
af_loader_reset( AF_Loader loader,
FT_Face face )
@@ -64,6 +68,8 @@
}
+ /* Finalize glyph loader. */
+
FT_LOCAL_DEF( void )
af_loader_done( AF_Loader loader )
{@@ -80,6 +86,10 @@
}
+ /* Load a single glyph component. This routine calls itself */
+ /* recursively, if necessary, and does the main work of */
+ /* `af_loader_load_glyph.' */
+
static FT_Error
af_loader_load_g( AF_Loader loader,
AF_Scaler scaler,
@@ -169,8 +179,8 @@
&gloader->current.outline,
metrics );
- /* we now need to hint the metrics according to the change in */
- /* width/positioning that occurred during the hinting process */
+ /* we now need to adjust the metrics according to the change in */
+ /* width/positioning that occurred during the hinting process */
if ( scaler->render_mode != FT_RENDER_MODE_LIGHT )
{FT_Pos old_rsb, old_lsb, new_lsb;
@@ -265,7 +275,7 @@
gloader->current.num_subglyphs = num_subglyphs;
num_base_subgs = gloader->base.num_subglyphs;
- /* now, read each subglyph independently */
+ /* now read each subglyph independently */
for ( nn = 0; nn < num_subglyphs; nn++ )
{FT_Vector pp1, pp2;
@@ -305,7 +315,7 @@
num_points = gloader->base.outline.n_points;
num_new_points = num_points - num_base_points;
- /* now perform the transform required for this subglyph */
+ /* now perform the transformation required for this subglyph */
if ( subglyph->flags & ( FT_SUBGLYPH_FLAG_SCALE |
FT_SUBGLYPH_FLAG_XY_SCALE |
@@ -444,7 +454,7 @@
#endif
slot->metrics.vertAdvance = FT_MulFix( slot->metrics.vertAdvance,
- metrics->scaler.y_scale );
+ metrics->scaler.y_scale );
slot->metrics.horiAdvance = FT_PIX_ROUND( slot->metrics.horiAdvance );
slot->metrics.vertAdvance = FT_PIX_ROUND( slot->metrics.vertAdvance );
@@ -467,6 +477,8 @@
return error;
}
+
+ /* Load a glyph. */
FT_LOCAL_DEF( FT_Error )
af_loader_load_glyph( AF_Loader loader,
--- a/src/autofit/afmodule.c
+++ b/src/autofit/afmodule.c
@@ -4,7 +4,7 @@
/* */
/* Auto-fitter module implementation (body). */
/* */
-/* Copyright 2003, 2004, 2005, 2006 by */
+/* Copyright 2003-2006, 2009, 2011 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -67,14 +67,15 @@
}
- FT_DEFINE_AUTOHINTER_SERVICE(af_autofitter_service,
+ FT_DEFINE_AUTOHINTER_SERVICE(
+ af_autofitter_service,
NULL,
NULL,
NULL,
- (FT_AutoHinter_GlyphLoadFunc)af_autofitter_load_glyph
- )
+ (FT_AutoHinter_GlyphLoadFunc)af_autofitter_load_glyph )
- FT_DEFINE_MODULE(autofit_module_class,
+ FT_DEFINE_MODULE(
+ autofit_module_class,
FT_MODULE_HINTER,
sizeof ( FT_AutofitterRec ),
@@ -87,8 +88,7 @@
(FT_Module_Constructor)af_autofitter_init,
(FT_Module_Destructor) af_autofitter_done,
- (FT_Module_Requester) NULL
- )
+ (FT_Module_Requester) NULL )
/* END */