1049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/***************************************************************************/ 2049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 3049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* pshglob.c */ 4049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 5049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* PostScript hinter global hinting management (body). */ 6049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* Inspired by the new auto-hinter module. */ 7049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 8727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease/* Copyright 2001-2004, 2006, 2010, 2012 by */ 9049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* David Turner, Robert Wilhelm, and Werner Lemberg. */ 10049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 11049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* This file is part of the FreeType project, and may only be used */ 12049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* modified and distributed under the terms of the FreeType project */ 13049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 14049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* this file you indicate that you have read the license and */ 15049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* understand and accept it fully. */ 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#include <ft2build.h> 21049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_FREETYPE_H 22049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_OBJECTS_H 23049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "pshglob.h" 24049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 25049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef DEBUG_HINTER 26049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Globals ps_debug_globals = 0; 27049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 28049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 29049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 30049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 31049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 32049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 33049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** STANDARD WIDTHS *****/ 34049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 35049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 36049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 37049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 38049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 39049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* scale the widths/heights table */ 40049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 41049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_globals_scale_widths( PSH_Globals globals, 42049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt direction ) 43049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 44049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Dimension dim = &globals->dimension[direction]; 45049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Widths stdw = &dim->stdw; 46049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = stdw->count; 47049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Width width = stdw->widths; 48049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Width stand = width; /* standard width/height */ 49049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Fixed scale = dim->scale_mult; 50049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 51049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 52049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( count > 0 ) 53049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 54049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width->cur = FT_MulFix( width->org, scale ); 55049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width->fit = FT_PIX_ROUND( width->cur ); 56049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 57049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width++; 58049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count--; 59049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 60049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, width++ ) 61049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 62049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos w, dist; 63049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 64049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 65049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project w = FT_MulFix( width->org, scale ); 66049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dist = w - stand->cur; 67049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 68049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dist < 0 ) 69049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dist = -dist; 70049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 71049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dist < 128 ) 72049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project w = stand->cur; 73049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 74049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width->cur = w; 75049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width->fit = FT_PIX_ROUND( w ); 76049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 77049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 78049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 79049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 80049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 81049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#if 0 82049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 83049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* org_width is is font units, result in device pixels, 26.6 format */ 84049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Pos ) 85049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_dimension_snap_width( PSH_Dimension dimension, 86049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int org_width ) 87049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 88049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt n; 89049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos width = FT_MulFix( org_width, dimension->scale_mult ); 90049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos best = 64 + 32 + 2; 91049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos reference = width; 92049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 93049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 94049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < dimension->stdw.count; n++ ) 95049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 96049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos w; 97049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos dist; 98049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 99049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project w = dimension->stdw.widths[n].cur; 101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dist = width - w; 102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dist < 0 ) 103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dist = -dist; 104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dist < best ) 105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project best = dist; 107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project reference = w; 108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( width >= reference ) 112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width -= 0x21; 114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( width < reference ) 115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width = reference; 116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width += 0x21; 120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( width > reference ) 121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project width = reference; 122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return width; 125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* 0 */ 128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** BLUE ZONES *****/ 134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_set_zones_0( PSH_Blues target, 140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool is_others, 141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt read_count, 142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Short* read, 143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Table top_table, 144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Table bot_table ) 145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count_top = top_table->count; 147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count_bot = bot_table->count; 148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool first = 1; 149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( target ); 151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; read_count > 1; read_count -= 2 ) 154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int reference, delta; 156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count; 157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Zone zones, zone; 158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool top; 159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read blue zone entry, and select target top/bottom zone */ 162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top = 0; 163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( first || is_others ) 164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project reference = read[1]; 166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = read[0] - reference; 167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zones = bot_table->zones; 169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = count_bot; 170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project first = 0; 171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project reference = read[0]; 175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = read[1] - reference; 176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zones = top_table->zones; 178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = count_top; 179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top = 1; 180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* insert into sorted table */ 183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone = zones; 184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, zone++ ) 185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( reference < zone->org_ref ) 187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( reference == zone->org_ref ) 190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta0 = zone->org_delta; 192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we have two zones on the same reference position -- */ 195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* only keep the largest one */ 196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( delta < 0 ) 197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( delta < delta0 ) 199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_delta = delta; 200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( delta > delta0 ) 204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_delta = delta; 205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Skip; 207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone[count] = zone[count-1]; 212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_ref = reference; 214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_delta = delta; 215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( top ) 217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count_top++; 218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count_bot++; 220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Skip: 222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project read += 2; 223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top_table->count = count_top; 226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project bot_table->count = count_bot; 227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Re-read blue zones from the original fonts and store them into out */ 231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* private structure. This function re-orders, sanitizes and */ 232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* fuzz-expands the zones as well. */ 233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_set_zones( PSH_Blues target, 235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count, 236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Short* blues, 237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count_others, 238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Short* other_blues, 239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int fuzz, 240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int family ) 241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Table top_table, bot_table; 243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int count_top, count_bot; 244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( family ) 247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top_table = &target->family_top; 249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project bot_table = &target->family_bottom; 250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top_table = &target->normal_top; 254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project bot_table = &target->normal_bottom; 255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read the input blue zones, and build two sorted tables */ 258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* (one for the top zones, the other for the bottom zones) */ 259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top_table->count = 0; 260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project bot_table->count = 0; 261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* first, the blues */ 263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_set_zones_0( target, 0, 264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count, blues, top_table, bot_table ); 265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_set_zones_0( target, 1, 266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count_others, other_blues, top_table, bot_table ); 267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count_top = top_table->count; 269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count_bot = bot_table->count; 270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* sanitize top table */ 272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( count_top > 0 ) 273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Zone zone = top_table->zones; 275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( count = count_top; count > 0; count--, zone++ ) 278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( count > 1 ) 283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = zone[1].org_ref - zone[0].org_ref; 285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( zone->org_delta > delta ) 286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_delta = delta; 287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_bottom = zone->org_ref; 290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_top = zone->org_delta + zone->org_ref; 291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* sanitize bottom table */ 295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( count_bot > 0 ) 296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Zone zone = bot_table->zones; 298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( count = count_bot; count > 0; count--, zone++ ) 301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( count > 1 ) 306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = zone[0].org_ref - zone[1].org_ref; 308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( zone->org_delta < delta ) 309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_delta = delta; 310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_top = zone->org_ref; 313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_bottom = zone->org_delta + zone->org_ref; 314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* expand top and bottom tables with blue fuzz */ 318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int dim, top, bot, delta; 320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Zone zone; 321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone = top_table->zones; 324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = count_top; 325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( dim = 1; dim >= 0; dim-- ) 327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( count > 0 ) 329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* expand the bottom of the lowest zone normally */ 331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_bottom -= fuzz; 332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* expand the top and bottom of intermediate zones; */ 334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* checking that the interval is smaller than the fuzz */ 335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top = zone->org_top; 336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( count--; count > 0; count-- ) 338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project bot = zone[1].org_bottom; 340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = bot - top; 341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( delta < 2 * fuzz ) 343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone[0].org_top = zone[1].org_bottom = top + delta / 2; 344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone[0].org_top = top + fuzz; 347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone[1].org_bottom = bot - fuzz; 348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone++; 351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top = zone->org_top; 352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* expand the top of the highest zone normally */ 355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->org_top = top + fuzz; 356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone = bot_table->zones; 358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = count_bot; 359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reset the blues table when the device transform changes */ 365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_scale_zones( PSH_Blues blues, 367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Fixed scale, 368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos delta ) 369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count; 371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num; 372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Table table = 0; 373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Determine whether we need to suppress overshoots or */ 376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* not. We simply need to compare the vertical scale */ 377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parameter to the raw bluescale value. Here is why: */ 378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* We need to suppress overshoots for all pointsizes. */ 380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* At 300dpi that satisfies: */ 381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* pointsize < 240*bluescale + 0.49 */ 383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This corresponds to: */ 385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* pixelsize < 1000*bluescale + 49/24 */ 387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* scale*EM_Size < 1000*bluescale + 49/24 */ 389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* However, for normal Type 1 fonts, EM_Size is 1000! */ 391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* We thus only check: */ 392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* scale < bluescale + 49/24000 */ 394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* which we shorten to */ 396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* "scale < bluescale" */ 398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Note that `blue_scale' is stored 1000 times its real */ 400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* value, and that `scale' converts from font units to */ 401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* fractional pixels. */ 402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 1000 / 64 = 125 / 8 */ 405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( scale >= 0x20C49BAL ) 406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project blues->no_overshoots = FT_BOOL( scale < blues->blue_scale * 8 / 125 ); 407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project blues->no_overshoots = FT_BOOL( scale * 125 < blues->blue_scale * 8 ); 409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The blue threshold is the font units distance under */ 412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* which overshoots are suppressed due to the BlueShift */ 413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* even if the scale is greater than BlueScale. */ 414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* It is the smallest distance such that */ 416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* dist <= BlueShift && dist*scale <= 0.5 pixels */ 418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int threshold = blues->blue_shift; 421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( threshold > 0 && FT_MulFix( threshold, scale ) > 32 ) 424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project threshold--; 425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project blues->blue_threshold = threshold; 427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( num = 0; num < 4; num++ ) 430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Zone zone; 432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( num ) 435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 0: 437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table = &blues->normal_top; 438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 1: 440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table = &blues->normal_bottom; 441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 2: 443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table = &blues->family_top; 444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: 446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table = &blues->family_bottom; 447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone = table->zones; 451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = table->count; 452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, zone++ ) 453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->cur_top = FT_MulFix( zone->org_top, scale ) + delta; 455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->cur_bottom = FT_MulFix( zone->org_bottom, scale ) + delta; 456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->cur_ref = FT_MulFix( zone->org_ref, scale ) + delta; 457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->cur_delta = FT_MulFix( zone->org_delta, scale ); 458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* round scaled reference position */ 460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->cur_ref = FT_PIX_ROUND( zone->cur_ref ); 461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#if 0 463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( zone->cur_ref > zone->cur_top ) 464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->cur_ref -= 64; 465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( zone->cur_ref < zone->cur_bottom ) 466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone->cur_ref += 64; 467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* process the families now */ 472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( num = 0; num < 2; num++ ) 474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Zone zone1, zone2; 476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count1, count2; 477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Table normal, family; 478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( num ) 481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 0: 483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project normal = &blues->normal_top; 484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project family = &blues->family_top; 485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: 488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project normal = &blues->normal_bottom; 489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project family = &blues->family_bottom; 490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone1 = normal->zones; 493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count1 = normal->count; 494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count1 > 0; count1--, zone1++ ) 496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* try to find a family zone whose reference position is less */ 498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* than 1 pixel far from the current zone */ 499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone2 = family->zones; 500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count2 = family->count; 501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count2 > 0; count2--, zone2++ ) 503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos Delta; 505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Delta = zone1->org_ref - zone2->org_ref; 508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( Delta < 0 ) 509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Delta = -Delta; 510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_MulFix( Delta, scale ) < 64 ) 512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone1->cur_top = zone2->cur_top; 514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone1->cur_bottom = zone2->cur_bottom; 515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone1->cur_ref = zone2->cur_ref; 516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone1->cur_delta = zone2->cur_delta; 517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 525727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* calculate the maximum height of given blue zones */ 526727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease static FT_Short 527727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease psh_calc_max_height( FT_UInt num, 528727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease const FT_Short* values, 529727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Short cur_max ) 530727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease { 531727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_UInt count; 532727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 533727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 534727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease for ( count = 0; count < num; count += 2 ) 535727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease { 536727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Short cur_height = values[count + 1] - values[count]; 537727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 538727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 539727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease if ( cur_height > cur_max ) 540727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease cur_max = cur_height; 541727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease } 542727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 543727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return cur_max; 544727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease } 545727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 546727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( void ) 548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_snap_stem( PSH_Blues blues, 549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int stem_top, 550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int stem_bot, 551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Alignment alignment ) 552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Table table; 554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count; 555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Pos delta; 556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Blue_Zone zone; 557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int no_shoots; 558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project alignment->align = PSH_BLUE_ALIGN_NONE; 561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project no_shoots = blues->no_overshoots; 563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* look up stem top in top zones table */ 565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table = &blues->normal_top; 566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = table->count; 567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone = table->zones; 568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, zone++ ) 570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = stem_top - zone->org_bottom; 572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( delta < -blues->blue_fuzz ) 573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( stem_top <= zone->org_top + blues->blue_fuzz ) 576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( no_shoots || delta <= blues->blue_threshold ) 578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project alignment->align |= PSH_BLUE_ALIGN_TOP; 580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project alignment->align_top = zone->cur_ref; 581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* look up stem bottom in bottom zones table */ 587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table = &blues->normal_bottom; 588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = table->count; 589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project zone = table->zones + count-1; 590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, zone-- ) 592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = zone->org_top - stem_bot; 594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( delta < -blues->blue_fuzz ) 595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( stem_bot >= zone->org_bottom - blues->blue_fuzz ) 598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( no_shoots || delta < blues->blue_threshold ) 600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project alignment->align |= PSH_BLUE_ALIGN_BOT; 602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project alignment->align_bot = zone->cur_ref; 603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** GLOBAL HINTS *****/ 614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_globals_destroy( PSH_Globals globals ) 620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( globals ) 622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory; 624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory = globals->memory; 627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->dimension[0].stdw.count = 0; 628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->dimension[1].stdw.count = 0; 629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->blues.normal_top.count = 0; 631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->blues.normal_bottom.count = 0; 632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->blues.family_top.count = 0; 633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->blues.family_bottom.count = 0; 634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( globals ); 636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef DEBUG_HINTER 638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ps_debug_globals = 0; 639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_globals_new( FT_Memory memory, 646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project T1_Private* priv, 647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Globals *aglobals ) 648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 649aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich PSH_Globals globals = NULL; 650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error; 651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !FT_NEW( globals ) ) 654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count; 656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Short* read; 657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->memory = memory; 660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* copy standard widths */ 662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Dimension dim = &globals->dimension[1]; 664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Width write = dim->stdw.widths; 665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project write->org = priv->standard_width[0]; 668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project write++; 669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project read = priv->snap_widths; 671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( count = priv->num_snap_widths; count > 0; count-- ) 672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project write->org = *read; 674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project write++; 675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project read++; 676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dim->stdw.count = priv->num_snap_widths + 1; 679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* copy standard heights */ 682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Dimension dim = &globals->dimension[0]; 684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Width write = dim->stdw.widths; 685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project write->org = priv->standard_height[0]; 688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project write++; 689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project read = priv->snap_heights; 690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( count = priv->num_snap_heights; count > 0; count-- ) 691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project write->org = *read; 693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project write++; 694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project read++; 695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dim->stdw.count = priv->num_snap_heights + 1; 698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* copy blue zones */ 701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_set_zones( &globals->blues, priv->num_blue_values, 702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->blue_values, priv->num_other_blues, 703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->other_blues, priv->blue_fuzz, 0 ); 704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_set_zones( &globals->blues, priv->num_family_blues, 706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->family_blues, priv->num_family_other_blues, 707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->family_other_blues, priv->blue_fuzz, 1 ); 708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 709727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* limit the BlueScale value to `1 / max_of_blue_zone_heights' */ 710727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease { 711727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Fixed max_scale; 712727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Short max_height = 1; 713727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 714727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 715727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_height = psh_calc_max_height( priv->num_blue_values, 716727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease priv->blue_values, 717727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_height ); 718727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_height = psh_calc_max_height( priv->num_other_blues, 719727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease priv->other_blues, 720727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_height ); 721727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_height = psh_calc_max_height( priv->num_family_blues, 722727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease priv->family_blues, 723727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_height ); 724727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_height = psh_calc_max_height( priv->num_family_other_blues, 725727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease priv->family_other_blues, 726727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_height ); 727727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 728727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* BlueScale is scaled 1000 times */ 729727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease max_scale = FT_DivFix( 1000, max_height ); 730727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease globals->blues.blue_scale = priv->blue_scale < max_scale 731727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease ? priv->blue_scale 732727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease : max_scale; 733727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease } 734727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->blues.blue_shift = priv->blue_shift; 736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->blues.blue_fuzz = priv->blue_fuzz; 737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->dimension[0].scale_mult = 0; 739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->dimension[0].scale_delta = 0; 740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->dimension[1].scale_mult = 0; 741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project globals->dimension[1].scale_delta = 0; 742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef DEBUG_HINTER 744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ps_debug_globals = globals; 745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *aglobals = globals; 749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Error ) 754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_globals_set_scale( PSH_Globals globals, 755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Fixed x_scale, 756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Fixed y_scale, 757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Fixed x_delta, 758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Fixed y_delta ) 759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project PSH_Dimension dim = &globals->dimension[0]; 761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dim = &globals->dimension[0]; 764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( x_scale != dim->scale_mult || 765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project x_delta != dim->scale_delta ) 766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dim->scale_mult = x_scale; 768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dim->scale_delta = x_delta; 769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_globals_scale_widths( globals, 0 ); 771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dim = &globals->dimension[1]; 774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( y_scale != dim->scale_mult || 775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project y_delta != dim->scale_delta ) 776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dim->scale_mult = y_scale; 778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dim->scale_delta = y_delta; 779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_globals_scale_widths( globals, 1 ); 781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_blues_scale_zones( &globals->blues, y_scale, y_delta ); 782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( void ) 789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project psh_globals_funcs_init( PSH_Globals_FuncsRec* funcs ) 790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project funcs->create = psh_globals_new; 792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project funcs->set_scale = psh_globals_set_scale; 793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project funcs->destroy = psh_globals_destroy; 794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* END */ 798