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Diffstat (limited to 'nx-X11/extras/freetype2/src/autofit/aftypes.h')
| -rw-r--r-- | nx-X11/extras/freetype2/src/autofit/aftypes.h | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/nx-X11/extras/freetype2/src/autofit/aftypes.h b/nx-X11/extras/freetype2/src/autofit/aftypes.h deleted file mode 100644 index 5d0371fcb..000000000 --- a/nx-X11/extras/freetype2/src/autofit/aftypes.h +++ /dev/null @@ -1,290 +0,0 @@ -/*************************************************************************** - * - * FreeType auto-fitter - * - * (c) 2004 David Turner - * - * The auto-fitter is a complete rewrite of the old auto-hinter. - * its main feature is the ability to differentiate between different - * scripts in order to apply language-specific rules. - * - * the code has also been compartimentized into several entities that - * should make algorithmic experimentation easier than with the old - * code. - * - * finally, we get rid of the Catharon license, since this code is - * released under the FreeType one. - */ -#ifndef __AFTYPES_H__ -#define __AFTYPES_H__ - -#include <ft2build.h> -#include FT_FREETYPE_H -#include FT_OUTLINE_H -#include FT_INTERNAL_OBJECTS_H -#include FT_INTERNAL_DEBUG_H - -FT_BEGIN_HEADER - - /**************************************************************************/ - /**************************************************************************/ - /***** *****/ - /***** D E B U G G I N G *****/ - /***** *****/ - /**************************************************************************/ - /**************************************************************************/ - -#define xxAF_DEBUG - -#ifdef AF_DEBUG - -# include <stdio.h> -# define AF_LOG( x ) printf x - -#else - -# define AF_LOG( x ) do ; while ( 0 ) /* nothing */ - -#endif /* AF_DEBUG */ - - /**************************************************************************/ - /**************************************************************************/ - /***** *****/ - /***** U T I L I T Y *****/ - /***** *****/ - /**************************************************************************/ - /**************************************************************************/ - - typedef struct AF_WidthRec_ - { - FT_Pos org; /* original position/width in font units */ - FT_Pos cur; /* current/scaled position/width in device sub-pixels */ - FT_Pos fit; /* current/fitted position/width in device sub-pixels */ - - } AF_WidthRec, *AF_Width; - - - FT_LOCAL( void ) - af_sort_pos( FT_UInt count, - FT_Pos* table ); - - FT_LOCAL( void ) - af_sort_widths( FT_UInt count, - AF_Width widths ); - - - /**************************************************************************/ - /**************************************************************************/ - /***** *****/ - /***** A N G L E T Y P E S *****/ - /***** *****/ - /**************************************************************************/ - /**************************************************************************/ - - /* - * Angle type. The auto-fitter doesn't need a very high angular accuracy, - * and this allows us to speed up some computations considerably with a - * light Cordic algorithm (see afangles.c) - * - */ - - typedef FT_Int AF_Angle; - -#define AF_ANGLE_PI 256 -#define AF_ANGLE_2PI (AF_ANGLE_PI*2) -#define AF_ANGLE_PI2 (AF_ANGLE_PI/2) -#define AF_ANGLE_PI4 (AF_ANGLE_PI/4) - - /* - * compute the angle of a given 2-D vector - * - */ - FT_LOCAL( AF_Angle ) - af_angle_atan( FT_Pos dx, - FT_Pos dy ); - - - /* - * computes "angle2 - angle1", the result is always within - * the range [ -AF_ANGLE_PI .. AF_ANGLE_PI-1 ] - * - */ - FT_LOCAL( AF_Angle ) - af_angle_diff( AF_Angle angle1, - AF_Angle angle2 ); - - - /**************************************************************************/ - /**************************************************************************/ - /***** *****/ - /***** O U T L I N E S *****/ - /***** *****/ - /**************************************************************************/ - /**************************************************************************/ - - /* opaque handle to glyph-specific hints. see "afhints.h" for more - * details - */ - typedef struct AF_GlyphHintsRec_* AF_GlyphHints; - - /* this structure is used to model an input glyph outline to - * the auto-hinter. The latter will set the "hints" field - * depending on the glyph's script - */ - typedef struct AF_OutlineRec_ - { - FT_Face face; - FT_Outline outline; - FT_UInt outline_resolution; - - FT_Int advance; - FT_UInt metrics_resolution; - - AF_GlyphHints hints; - - } AF_OutlineRec; - - - /**************************************************************************/ - /**************************************************************************/ - /***** *****/ - /***** S C A L E R S *****/ - /***** *****/ - /**************************************************************************/ - /**************************************************************************/ - - /* - * A scaler models the target pixel device that will receive the - * auto-hinted glyph image - * - */ - - typedef enum - { - AF_SCALER_FLAG_NO_HORIZONTAL = 1, /* disable horizontal hinting */ - AF_SCALER_FLAG_NO_VERTICAL = 2, /* disable vertical hinting */ - AF_SCALER_FLAG_NO_ADVANCE = 4 /* disable advance hinting */ - - } AF_ScalerFlags; - - - typedef struct AF_ScalerRec_ - { - FT_Face face; /* source font face */ - FT_Fixed x_scale; /* from font units to 1/64th device pixels */ - FT_Fixed y_scale; /* from font units to 1/64th device pixels */ - FT_Pos x_delta; /* in 1/64th device pixels */ - FT_Pos y_delta; /* in 1/64th device pixels */ - FT_Render_Mode render_mode; /* monochrome, anti-aliased, LCD, etc.. */ - FT_UInt32 flags; /* additionnal control flags, see above */ - - } AF_ScalerRec, *AF_Scaler; - - -#define AF_SCALER_EQUAL_SCALES(a,b) \ - ( (a)->x_scale == (b)->x_scale && \ - (a)->y_scale == (b)->y_scale && \ - (a)->x_delta == (b)->x_delta && \ - (a)->y_delta == (b)->y_delta ) - - - /**************************************************************************/ - /**************************************************************************/ - /***** *****/ - /***** S C R I P T S *****/ - /***** *****/ - /**************************************************************************/ - /**************************************************************************/ - - /* - * the list of know scripts. Each different script correspond to the - * following information: - * - * - a set of Unicode ranges to test weither the face supports the - * script - * - * - a specific global analyzer that will compute global metrics - * specific to the script. - * - * - a specific glyph analyzer that will compute segments and - * edges for each glyph covered by the script - * - * - a specific grid-fitting algorithm that will distort the - * scaled glyph outline according to the results of the glyph - * analyzer - * - * note that a given analyzer and/or grid-fitting algorithm can be - * used by more than one script - */ - typedef enum - { - AF_SCRIPT_NONE = 0, - AF_SCRIPT_LATIN = 1, - /* add new scripts here. don't forget to update the list in "afglobal.c" */ - - AF_SCRIPT_MAX /* do not remove */ - - } AF_Script; - - - - typedef struct AF_ScriptClassRec_ const* AF_ScriptClass; - - typedef struct AF_ScriptMetricsRec_ - { - AF_ScriptClass clazz; - AF_ScalerRec scaler; - - } AF_ScriptMetricsRec, *AF_ScriptMetrics; - - - /* this function parses a FT_Face to compute global metrics for - * a specific script - */ - typedef FT_Error (*AF_Script_InitMetricsFunc)( AF_ScriptMetrics metrics, - FT_Face face ); - - typedef void (*AF_Script_ScaleMetricsFunc)( AF_ScriptMetrics metrics, - AF_Scaler scaler ); - - typedef void (*AF_Script_DoneMetricsFunc)( AF_ScriptMetrics metrics ); - - - typedef FT_Error (*AF_Script_InitHintsFunc)( AF_GlyphHints hints, - AF_ScriptMetrics metrics ); - - typedef void (*AF_Script_ApplyHintsFunc)( AF_GlyphHints hints, - FT_Outline* outline, - AF_ScriptMetrics metrics ); - - - typedef struct AF_Script_UniRangeRec_ - { - FT_UInt32 first; - FT_UInt32 last; - - } AF_Script_UniRangeRec; - - typedef const AF_Script_UniRangeRec * AF_Script_UniRange; - - typedef struct AF_ScriptClassRec_ - { - AF_Script script; - AF_Script_UniRange script_uni_ranges; /* last must be { 0, 0 } */ - - FT_UInt script_metrics_size; - AF_Script_InitMetricsFunc script_metrics_init; - AF_Script_ScaleMetricsFunc script_metrics_scale; - AF_Script_DoneMetricsFunc script_metrics_done; - - AF_Script_InitHintsFunc script_hints_init; - AF_Script_ApplyHintsFunc script_hints_apply; - - } AF_ScriptClassRec; - - -/* */ - -FT_END_HEADER - -#endif /* __AFTYPES_H__ */ |