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| 1 /***************************************************************************/ | |
| 2 /* */ | |
| 3 /* pshglob.h */ | |
| 4 /* */ | |
| 5 /* PostScript hinter global hinting management. */ | |
| 6 /* */ | |
| 7 /* Copyright 2001, 2002, 2003 by */ | |
| 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ | |
| 9 /* */ | |
| 10 /* This file is part of the FreeType project, and may only be used, */ | |
| 11 /* modified, and distributed under the terms of the FreeType project */ | |
| 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ | |
| 13 /* this file you indicate that you have read the license and */ | |
| 14 /* understand and accept it fully. */ | |
| 15 /* */ | |
| 16 /***************************************************************************/ | |
| 17 | |
| 18 | |
| 19 #ifndef __PSHGLOB_H__ | |
| 20 #define __PSHGLOB_H__ | |
| 21 | |
| 22 | |
| 23 #include "../../include/freetype/freetype.h" | |
| 24 #include "../../include/freetype/internal/pshints.h" | |
| 25 | |
| 26 | |
| 27 FT_BEGIN_HEADER | |
| 28 | |
| 29 | |
| 30 /*************************************************************************/ | |
| 31 /*************************************************************************/ | |
| 32 /***** *****/ | |
| 33 /***** GLOBAL HINTS INTERNALS *****/ | |
| 34 /***** *****/ | |
| 35 /*************************************************************************/ | |
| 36 /*************************************************************************/ | |
| 37 | |
| 38 | |
| 39 /*************************************************************************/ | |
| 40 /* */ | |
| 41 /* @constant: */ | |
| 42 /* PS_GLOBALS_MAX_BLUE_ZONES */ | |
| 43 /* */ | |
| 44 /* @description: */ | |
| 45 /* The maximum number of blue zones in a font global hints structure. */ | |
| 46 /* See @PS_Globals_BluesRec. */ | |
| 47 /* */ | |
| 48 #define PS_GLOBALS_MAX_BLUE_ZONES 16 | |
| 49 | |
| 50 | |
| 51 /*************************************************************************/ | |
| 52 /* */ | |
| 53 /* @constant: */ | |
| 54 /* PS_GLOBALS_MAX_STD_WIDTHS */ | |
| 55 /* */ | |
| 56 /* @description: */ | |
| 57 /* The maximum number of standard and snap widths in either the */ | |
| 58 /* horizontal or vertical direction. See @PS_Globals_WidthsRec. */ | |
| 59 /* */ | |
| 60 #define PS_GLOBALS_MAX_STD_WIDTHS 16 | |
| 61 | |
| 62 | |
| 63 /* standard and snap width */ | |
| 64 typedef struct PSH_WidthRec_ | |
| 65 { | |
| 66 FT_Int org; | |
| 67 FT_Pos cur; | |
| 68 FT_Pos fit; | |
| 69 | |
| 70 } PSH_WidthRec, *PSH_Width; | |
| 71 | |
| 72 | |
| 73 /* standard and snap widths table */ | |
| 74 typedef struct PSH_WidthsRec_ | |
| 75 { | |
| 76 FT_UInt count; | |
| 77 PSH_WidthRec widths[PS_GLOBALS_MAX_STD_WIDTHS]; | |
| 78 | |
| 79 } PSH_WidthsRec, *PSH_Widths; | |
| 80 | |
| 81 | |
| 82 typedef struct PSH_DimensionRec_ | |
| 83 { | |
| 84 PSH_WidthsRec stdw; | |
| 85 FT_Fixed scale_mult; | |
| 86 FT_Fixed scale_delta; | |
| 87 | |
| 88 } PSH_DimensionRec, *PSH_Dimension; | |
| 89 | |
| 90 | |
| 91 /* blue zone descriptor */ | |
| 92 typedef struct PSH_Blue_ZoneRec_ | |
| 93 { | |
| 94 FT_Int org_ref; | |
| 95 FT_Int org_delta; | |
| 96 FT_Int org_top; | |
| 97 FT_Int org_bottom; | |
| 98 | |
| 99 FT_Pos cur_ref; | |
| 100 FT_Pos cur_delta; | |
| 101 FT_Pos cur_bottom; | |
| 102 FT_Pos cur_top; | |
| 103 | |
| 104 } PSH_Blue_ZoneRec, *PSH_Blue_Zone; | |
| 105 | |
| 106 | |
| 107 typedef struct PSH_Blue_TableRec_ | |
| 108 { | |
| 109 FT_UInt count; | |
| 110 PSH_Blue_ZoneRec zones[PS_GLOBALS_MAX_BLUE_ZONES]; | |
| 111 | |
| 112 } PSH_Blue_TableRec, *PSH_Blue_Table; | |
| 113 | |
| 114 | |
| 115 /* blue zones table */ | |
| 116 typedef struct PSH_BluesRec_ | |
| 117 { | |
| 118 PSH_Blue_TableRec normal_top; | |
| 119 PSH_Blue_TableRec normal_bottom; | |
| 120 PSH_Blue_TableRec family_top; | |
| 121 PSH_Blue_TableRec family_bottom; | |
| 122 | |
| 123 FT_Fixed blue_scale; | |
| 124 FT_Int blue_shift; | |
| 125 FT_Int blue_threshold; | |
| 126 FT_Int blue_fuzz; | |
| 127 FT_Bool no_overshoots; | |
| 128 | |
| 129 } PSH_BluesRec, *PSH_Blues; | |
| 130 | |
| 131 | |
| 132 /* font globals. */ | |
| 133 /* dimension 0 => X coordinates + vertical hints/stems */ | |
| 134 /* dimension 1 => Y coordinates + horizontal hints/stems */ | |
| 135 typedef struct PSH_GlobalsRec_ | |
| 136 { | |
| 137 FT_Memory memory; | |
| 138 PSH_DimensionRec dimension[2]; | |
| 139 PSH_BluesRec blues; | |
| 140 | |
| 141 } PSH_GlobalsRec; | |
| 142 | |
| 143 | |
| 144 #define PSH_BLUE_ALIGN_NONE 0 | |
| 145 #define PSH_BLUE_ALIGN_TOP 1 | |
| 146 #define PSH_BLUE_ALIGN_BOT 2 | |
| 147 | |
| 148 | |
| 149 typedef struct PSH_AlignmentRec_ | |
| 150 { | |
| 151 int align; | |
| 152 FT_Pos align_top; | |
| 153 FT_Pos align_bot; | |
| 154 | |
| 155 } PSH_AlignmentRec, *PSH_Alignment; | |
| 156 | |
| 157 | |
| 158 FT_LOCAL( void ) | |
| 159 psh_globals_funcs_init( PSH_Globals_FuncsRec* funcs ); | |
| 160 | |
| 161 | |
| 162 #if 0 | |
| 163 /* snap a stem width to fitter coordinates. `org_width' is in font */ | |
| 164 /* units. The result is in device pixels (26.6 format). */ | |
| 165 FT_LOCAL( FT_Pos ) | |
| 166 psh_dimension_snap_width( PSH_Dimension dimension, | |
| 167 FT_Int org_width ); | |
| 168 #endif | |
| 169 | |
| 170 FT_LOCAL( FT_Error ) | |
| 171 psh_globals_set_scale( PSH_Globals globals, | |
| 172 FT_Fixed x_scale, | |
| 173 FT_Fixed y_scale, | |
| 174 FT_Fixed x_delta, | |
| 175 FT_Fixed y_delta ); | |
| 176 | |
| 177 /* snap a stem to one or two blue zones */ | |
| 178 FT_LOCAL( void ) | |
| 179 psh_blues_snap_stem( PSH_Blues blues, | |
| 180 FT_Int stem_top, | |
| 181 FT_Int stem_bot, | |
| 182 PSH_Alignment alignment ); | |
| 183 /* */ | |
| 184 | |
| 185 #ifdef DEBUG_HINTER | |
| 186 extern PSH_Globals ps_debug_globals; | |
| 187 #endif | |
| 188 | |
| 189 | |
| 190 FT_END_HEADER | |
| 191 | |
| 192 | |
| 193 #endif /* __PSHGLOB_H__ */ | |
| 194 | |
| 195 | |
| 196 /* END */ | |
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Chromium Code Reviews
Issue 815103002:
Update freetype to 2.5.4. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master