1049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/***************************************************************************/ 2049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 3049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* aftypes.h */ 4049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 5049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* Auto-fitter types (specification only). */ 6049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 7aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner/* Copyright 2003-2009, 2011 by */ 8049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* David Turner, Robert Wilhelm, and Werner Lemberg. */ 9049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 10049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* This file is part of the FreeType project, and may only be used, */ 11049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* modified, and distributed under the terms of the FreeType project */ 12049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 13049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* this file you indicate that you have read the license and */ 14049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* understand and accept it fully. */ 15049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 16049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/***************************************************************************/ 17049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 18049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 19049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /************************************************************************* 20049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 21049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * The auto-fitter is a complete rewrite of the old auto-hinter. 22049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * Its main feature is the ability to differentiate between different 23049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * scripts in order to apply language-specific rules. 24049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 25049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * The code has also been compartmentized into several entities that 26049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * should make algorithmic experimentation easier than with the old 27049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * code. 28049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 29049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * Finally, we get rid of the Catharon license, since this code is 30049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * released under the FreeType one. 31049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 32049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *************************************************************************/ 33049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 34049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 35049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifndef __AFTYPES_H__ 36049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define __AFTYPES_H__ 37049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 38049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include <ft2build.h> 39049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 40049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_FREETYPE_H 41049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_OUTLINE_H 42049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_OBJECTS_H 43049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_DEBUG_H 44049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 45049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 46049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source ProjectFT_BEGIN_HEADER 47049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 48049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 49049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 50049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 51049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** D E B U G G I N G *****/ 52049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 53049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 54049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 55049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 56aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner#ifdef FT_DEBUG_AUTOFIT 57049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 580a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project#include FT_CONFIG_STANDARD_LIBRARY_H 590a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project 60049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectextern int _af_debug_disable_horz_hints; 61049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectextern int _af_debug_disable_vert_hints; 62049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectextern int _af_debug_disable_blue_hints; 63049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectextern void* _af_debug_hints; 64049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 65aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner#endif /* FT_DEBUG_AUTOFIT */ 66049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 67049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 68049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 69049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 70049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 71049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** U T I L I T Y S T U F F *****/ 72049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 73049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 74049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 75049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 76049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct AF_WidthRec_ 77049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 78049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos org; /* original position/width in font units */ 79049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos cur; /* current/scaled position/width in device sub-pixels */ 80049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos fit; /* current/fitted position/width in device sub-pixels */ 81049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 82049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } AF_WidthRec, *AF_Width; 83049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 84049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 85049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL( void ) 86049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project af_sort_pos( FT_UInt count, 87049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos* table ); 88049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 89049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL( void ) 90049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project af_sort_widths( FT_UInt count, 91049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Width widths ); 92049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 93049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 94049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 95049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 96049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 97049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** A N G L E T Y P E S *****/ 98049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 99049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * The auto-fitter doesn't need a very high angular accuracy; 104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * this allows us to speed up some computations considerably with a 105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * light Cordic algorithm (see afangles.c). 106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef FT_Int AF_Angle; 109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define AF_ANGLE_PI 256 112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define AF_ANGLE_2PI ( AF_ANGLE_PI * 2 ) 113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define AF_ANGLE_PI2 ( AF_ANGLE_PI / 2 ) 114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define AF_ANGLE_PI4 ( AF_ANGLE_PI / 4 ) 115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#if 0 118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * compute the angle of a given 2-D vector 120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL( AF_Angle ) 122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project af_angle_atan( FT_Pos dx, 123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos dy ); 124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * compute `angle2 - angle1'; the result is always within 128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * the range [-AF_ANGLE_PI .. AF_ANGLE_PI - 1] 129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL( AF_Angle ) 131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project af_angle_diff( AF_Angle angle1, 132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Angle angle2 ); 133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* 0 */ 134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define AF_ANGLE_DIFF( result, angle1, angle2 ) \ 137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_BEGIN_STMNT \ 138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Angle _delta = (angle2) - (angle1); \ 139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project \ 140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project \ 141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project _delta %= AF_ANGLE_2PI; \ 142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( _delta < 0 ) \ 143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project _delta += AF_ANGLE_2PI; \ 144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project \ 145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( _delta > AF_ANGLE_PI ) \ 146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project _delta -= AF_ANGLE_2PI; \ 147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project \ 148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = _delta; \ 149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_END_STMNT 150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* opaque handle to glyph-specific hints -- see `afhints.h' for more 153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * details 154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct AF_GlyphHintsRec_* AF_GlyphHints; 156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** S C A L E R S *****/ 162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * A scaler models the target pixel device that will receive the 168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * auto-hinted glyph image. 169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef enum AF_ScalerFlags_ 172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_SCALER_FLAG_NO_HORIZONTAL = 1, /* disable horizontal hinting */ 174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_SCALER_FLAG_NO_VERTICAL = 2, /* disable vertical hinting */ 175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_SCALER_FLAG_NO_ADVANCE = 4 /* disable advance hinting */ 176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } AF_ScalerFlags; 178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct AF_ScalerRec_ 181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Face face; /* source font face */ 183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Fixed x_scale; /* from font units to 1/64th device pixels */ 184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Fixed y_scale; /* from font units to 1/64th device pixels */ 185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos x_delta; /* in 1/64th device pixels */ 186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos y_delta; /* in 1/64th device pixels */ 187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Render_Mode render_mode; /* monochrome, anti-aliased, LCD, etc. */ 188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 flags; /* additional control flags, see above */ 189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } AF_ScalerRec, *AF_Scaler; 191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define AF_SCALER_EQUAL_SCALES( a, b ) \ 194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ( (a)->x_scale == (b)->x_scale && \ 195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (a)->y_scale == (b)->y_scale && \ 196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (a)->x_delta == (b)->x_delta && \ 197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (a)->y_delta == (b)->y_delta ) 198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** S C R I P T S *****/ 204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 209aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner * The list of known scripts. Each different script corresponds to the 210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * following information: 211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * - A set of Unicode ranges to test whether the face supports the 213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * script. 214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * - A specific global analyzer that will compute global metrics 216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * specific to the script. 217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * - A specific glyph analyzer that will compute segments and 219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * edges for each glyph covered by the script. 220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * - A specific grid-fitting algorithm that will distort the 222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * scaled glyph outline according to the results of the glyph 223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * analyzer. 224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * 225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * Note that a given analyzer and/or grid-fitting algorithm can be 226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * used by more than one script. 227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef enum AF_Script_ 230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_SCRIPT_NONE = 0, 232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_SCRIPT_LATIN = 1, 233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_SCRIPT_CJK = 2, 23441371e1e39c8528eb0c4bc40683c736e6683e60cEric Vannier AF_SCRIPT_INDIC = 3, 235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef FT_OPTION_AUTOFIT2 236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_SCRIPT_LATIN2, 237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* add new scripts here. Don't forget to update the list in */ 240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `afglobal.c'. */ 241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_SCRIPT_MAX /* do not remove */ 243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } AF_Script; 245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct AF_ScriptClassRec_ const* AF_ScriptClass; 248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct AF_ScriptMetricsRec_ 250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_ScriptClass clazz; 252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_ScalerRec scaler; 253295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Bool digits_have_same_width; 254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } AF_ScriptMetricsRec, *AF_ScriptMetrics; 256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This function parses an FT_Face to compute global metrics for 259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * a specific script. 260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef FT_Error 262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (*AF_Script_InitMetricsFunc)( AF_ScriptMetrics metrics, 263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Face face ); 264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef void 266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (*AF_Script_ScaleMetricsFunc)( AF_ScriptMetrics metrics, 267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Scaler scaler ); 268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef void 270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (*AF_Script_DoneMetricsFunc)( AF_ScriptMetrics metrics ); 271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef FT_Error 274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (*AF_Script_InitHintsFunc)( AF_GlyphHints hints, 275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_ScriptMetrics metrics ); 276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef void 278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (*AF_Script_ApplyHintsFunc)( AF_GlyphHints hints, 279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Outline* outline, 280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_ScriptMetrics metrics ); 281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct AF_Script_UniRangeRec_ 284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 first; 286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 last; 287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } AF_Script_UniRangeRec; 289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 290295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#define AF_UNIRANGE_REC( a, b ) { (FT_UInt32)(a), (FT_UInt32)(b) } 291295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef const AF_Script_UniRangeRec *AF_Script_UniRange; 293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct AF_ScriptClassRec_ 296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Script script; 298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Script_UniRange script_uni_ranges; /* last must be { 0, 0 } */ 299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 300295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Offset script_metrics_size; 301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Script_InitMetricsFunc script_metrics_init; 302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Script_ScaleMetricsFunc script_metrics_scale; 303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Script_DoneMetricsFunc script_metrics_done; 304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Script_InitHintsFunc script_hints_init; 306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project AF_Script_ApplyHintsFunc script_hints_apply; 307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } AF_ScriptClassRec; 309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 310aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner 311aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner /* Declare and define vtables for classes */ 312295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#ifndef FT_CONFIG_OPTION_PIC 313295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 314aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner#define AF_DECLARE_SCRIPT_CLASS( script_class ) \ 315aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner FT_CALLBACK_TABLE const AF_ScriptClassRec \ 316295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner script_class; 317295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 318aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner#define AF_DEFINE_SCRIPT_CLASS( script_class, script_, ranges, m_size, \ 319aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner m_init, m_scale, m_done, h_init, h_apply ) \ 320aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner FT_CALLBACK_TABLE_DEF const AF_ScriptClassRec \ 321aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner script_class = \ 322aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner { \ 323aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner script_, \ 324aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ranges, \ 325aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner \ 326aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner m_size, \ 327aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner \ 328aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner m_init, \ 329aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner m_scale, \ 330aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner m_done, \ 331aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner \ 332aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner h_init, \ 333aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner h_apply \ 334295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner }; 335295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 336aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner#else /* FT_CONFIG_OPTION_PIC */ 337aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner 338aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner#define AF_DECLARE_SCRIPT_CLASS( script_class ) \ 339aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner FT_LOCAL( void ) \ 340aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner FT_Init_Class_##script_class( AF_ScriptClassRec* ac ); 341aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner 342aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner#define AF_DEFINE_SCRIPT_CLASS( script_class, script_, ranges, m_size, \ 343aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner m_init, m_scale, m_done, h_init, h_apply ) \ 344aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner FT_LOCAL_DEF( void ) \ 345aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner FT_Init_Class_##script_class( AF_ScriptClassRec* ac ) \ 346aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner { \ 347aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ac->script = script_; \ 348aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ac->script_uni_ranges = ranges; \ 349aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner \ 350aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ac->script_metrics_size = m_size; \ 351aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner \ 352aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ac->script_metrics_init = m_init; \ 353aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ac->script_metrics_scale = m_scale; \ 354aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ac->script_metrics_done = m_done; \ 355aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner \ 356aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ac->script_hints_init = h_init; \ 357aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner ac->script_hints_apply = h_apply; \ 358295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 359aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner 360aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner#endif /* FT_CONFIG_OPTION_PIC */ 361295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source ProjectFT_END_HEADER 366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* __AFTYPES_H__ */ 368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* END */ 371