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annotate src/fontcache.cpp @ 6388:b699cfa343dc draft

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(svn r9518) -Fix [Windows]: do not free an uninitialized pointer.
author rubidium <rubidium@openttd.org>
date Wed, 28 Mar 2007 09:27:38 +0000
parents 0789677a15a0
children cb3cab32710f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5584
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1 /* $Id$ */
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2
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e3e61b92574b (svn r8950) -Cleanup: doxygen changes. Mostly @files missing tags and a few comments style.
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3 /** @file fontcache.cpp */
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4
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5 #include "stdafx.h"
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6 #include "openttd.h"
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7 #include "functions.h"
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8 #include "macros.h"
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9 #include "debug.h"
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10 #include "table/sprites.h"
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11 #include "table/control_codes.h"
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12 #include "spritecache.h"
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13 #include "gfx.h"
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14 #include "string.h"
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15 #include "fontcache.h"
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16 #include "helpers.hpp"
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18 #ifdef WITH_FREETYPE
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20 #include <ft2build.h>
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21 #include FT_FREETYPE_H
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22 #include FT_GLYPH_H
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24 #ifdef WITH_FONTCONFIG
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25 #include <fontconfig/fontconfig.h>
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26 #endif
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27
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28 static FT_Library _library = NULL;
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29 static FT_Face _face_small = NULL;
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30 static FT_Face _face_medium = NULL;
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31 static FT_Face _face_large = NULL;
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32
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33 FreeTypeSettings _freetype;
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34
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35 enum {
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36 FACE_COLOUR = 1,
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37 SHADOW_COLOUR = 2,
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38 };
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39
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40 /** Get the font loaded into a Freetype face by using a font-name.
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41 * If no appropiate font is found, the function returns an error */
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42 #ifdef WIN32
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43 #include <windows.h>
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44 #include <tchar.h>
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45 #include <shlobj.h> // SHGetFolderPath
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46 #include "win32.h"
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47
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48 /* Get the font file to be loaded into Freetype by looping the registry
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49 * location where windows lists all installed fonts. Not very nice, will
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50 * surely break if the registry path changes, but it works. Much better
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51 * solution would be to use CreateFont, and extract the font data from it
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52 * by GetFontData. The problem with this is that the font file needs to be
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53 * kept in memory then until the font is no longer needed. This could mean
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54 * an additional memory usage of 30MB (just for fonts!) when using an eastern
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55 * font for all font sizes */
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56 #define FONT_DIR_NT "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
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57 #define FONT_DIR_9X "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Fonts"
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58 static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
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59 {
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60 FT_Error err = FT_Err_Cannot_Open_Resource;
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61 HKEY hKey;
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62 LONG ret;
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63 TCHAR vbuffer[MAX_PATH], dbuffer[256];
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64 TCHAR *font_namep;
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65 char *font_path;
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66 uint index;
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67
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68 /* On windows NT (2000, NT3.5, XP, etc.) the fonts are stored in the
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69 * "Windows NT" key, on Windows 9x in the Windows key. To save us having
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70 * to retrieve the windows version, we'll just query both */
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71 ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T(FONT_DIR_NT), 0, KEY_READ, &hKey);
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72 if (ret != ERROR_SUCCESS) ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T(FONT_DIR_9X), 0, KEY_READ, &hKey);
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73
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74 if (ret != ERROR_SUCCESS) {
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75 DEBUG(freetype, 0, "Cannot open registry key HKLM\\SOFTWARE\\Microsoft\\Windows (NT)\\CurrentVersion\\Fonts");
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76 return err;
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77 }
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78
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79 /* For Unicode we need some conversion between widechar and
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80 * normal char to match the data returned by RegEnumValue,
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81 * otherwise just use parameter */
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82 #if defined(UNICODE)
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83 font_namep = MallocT<TCHAR>(MAX_PATH);
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84 MB_TO_WIDE_BUFFER(font_name, font_namep, MAX_PATH * sizeof(TCHAR));
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85 #else
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86 font_namep = (char*)font_name; // only cast because in unicode pointer is not const
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87 #endif
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88
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89 for (index = 0;; index++) {
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90 TCHAR *s;
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91 DWORD vbuflen = lengthof(vbuffer);
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92 DWORD dbuflen = lengthof(dbuffer);
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93
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94 ret = RegEnumValue(hKey, index, vbuffer, &vbuflen, NULL, NULL, (byte*)dbuffer, &dbuflen);
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95 if (ret != ERROR_SUCCESS) goto registry_no_font_found;
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96
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97 /* The font names in the registry are of the following 3 forms:
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98 * - ADMUI3.fon
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99 * - Book Antiqua Bold (TrueType)
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100 * - Batang & BatangChe & Gungsuh & GungsuhChe (TrueType)
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101 * We will strip the font-type '()' if any and work with the font name
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102 * itself, which must match exactly; if...
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103 * TTC files, font files which contain more than one font are seperated
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104 * byt '&'. Our best bet will be to do substr match for the fontname
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105 * and then let FreeType figure out which index to load */
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diff changeset
106 s = _tcschr(vbuffer, _T('('));
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diff changeset
107 if (s != NULL) s[-1] = '\0';
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diff changeset
108
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diff changeset
109 if (_tcschr(vbuffer, _T('&')) == NULL) {
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diff changeset
110 if (_tcsicmp(vbuffer, font_namep) == 0) break;
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diff changeset
111 } else {
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diff changeset
112 if (_tcsstr(vbuffer, font_namep) != NULL) break;
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113 }
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114 }
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115
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116 if (!SUCCEEDED(SHGetFolderPath(NULL, CSIDL_FONTS, NULL, SHGFP_TYPE_CURRENT, vbuffer))) {
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117 DEBUG(freetype, 0, "SHGetFolderPath cannot return fonts directory");
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118 goto folder_error;
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119 }
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120
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121 /* Some fonts are contained in .ttc files, TrueType Collection fonts. These
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122 * contain multiple fonts inside this single file. GetFontData however
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123 * returns the whole file, so we need to check each font inside to get the
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124 * proper font.
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125 * Also note that FreeType does not support UNICODE filesnames! */
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126 #if defined(UNICODE)
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127 /* We need a cast here back from wide because FreeType doesn't support
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128 * widechar filenames. Just use the buffer we allocated before for the
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129 * font_name search */
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130 font_path = (char*)font_namep;
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131 WIDE_TO_MB_BUFFER(vbuffer, font_path, MAX_PATH * sizeof(TCHAR));
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132 #else
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133 font_path = vbuffer;
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134 #endif
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135
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136 ttd_strlcat(font_path, "\\", MAX_PATH * sizeof(TCHAR));
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137 ttd_strlcat(font_path, WIDE_TO_MB(dbuffer), MAX_PATH * sizeof(TCHAR));
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138 index = 0;
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139 do {
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140 err = FT_New_Face(_library, font_path, index, face);
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141 if (err != FT_Err_Ok) break;
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142
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143 if (strncasecmp(font_name, (*face)->family_name, strlen((*face)->family_name)) == 0) break;
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144 err = FT_Err_Cannot_Open_Resource;
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145
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146 } while ((FT_Long)++index != (*face)->num_faces);
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147
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148
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149 #if defined(UNICODE)
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150 free(font_path);
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151 #endif
6388
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diff changeset
152 folder_error:
5584
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153 registry_no_font_found:
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154 RegCloseKey(hKey);
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155 return err;
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156 }
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157 #else
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158 # ifdef WITH_FONTCONFIG
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159 static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
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160 {
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161 FT_Error err = FT_Err_Cannot_Open_Resource;
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162
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163 if (!FcInit()) {
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164 ShowInfoF("Unable to load font configuration");
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165 } else {
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166 FcPattern *match;
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167 FcPattern *pat;
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168 FcFontSet *fs;
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169 FcResult result;
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170 char *font_style;
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171 char *font_family;
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172
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173 /* Split & strip the font's style */
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174 font_family = strdup(font_name);
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175 font_style = strchr(font_family, ',');
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176 if (font_style != NULL) {
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177 font_style[0] = '\0';
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178 font_style++;
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179 while (*font_style == ' ' || *font_style == '\t') font_style++;
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180 }
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181
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182 /* Resolve the name and populate the information structure */
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183 pat = FcNameParse((FcChar8*)font_family);
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184 if (font_style != NULL) FcPatternAddString(pat, FC_STYLE, (FcChar8*)font_style);
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185 FcConfigSubstitute(0, pat, FcMatchPattern);
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186 FcDefaultSubstitute(pat);
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187 fs = FcFontSetCreate();
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188 match = FcFontMatch(0, pat, &result);
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189
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190 if (fs != NULL && match != NULL) {
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191 int i;
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192 FcChar8 *family;
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193 FcChar8 *style;
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194 FcChar8 *file;
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195 FcFontSetAdd(fs, match);
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196
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197 for (i = 0; err != FT_Err_Ok && i < fs->nfont; i++) {
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198 /* Try the new filename */
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199 if (FcPatternGetString(fs->fonts[i], FC_FILE, 0, &file) == FcResultMatch &&
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200 FcPatternGetString(fs->fonts[i], FC_FAMILY, 0, &family) == FcResultMatch &&
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diff changeset
201 FcPatternGetString(fs->fonts[i], FC_STYLE, 0, &style) == FcResultMatch) {
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diff changeset
202
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203 /* The correct style? */
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204 if (font_style != NULL && strcasecmp(font_style, (char*)style) != 0) continue;
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205
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206 /* Font config takes the best shot, which, if the family name is spelled
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diff changeset
207 * wrongly a 'random' font, so check whether the family name is the
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208 * same as the supplied name */
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diff changeset
209 if (strcasecmp(font_family, (char*)family) == 0) {
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diff changeset
210 err = FT_New_Face(_library, (char *)file, 0, face);
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211 }
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212 }
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213 }
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214 }
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215
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216 free(font_family);
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217 FcPatternDestroy(pat);
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218 FcFontSetDestroy(fs);
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219 FcFini();
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220 }
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221
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222 return err;
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223 }
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224 # else
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225 FT_Error GetFontByFaceName(const char *font_name, FT_Face *face) {return FT_Err_Cannot_Open_Resource;}
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226 # endif /* WITH_FONTCONFIG */
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227
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228 #endif
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229
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230 /**
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231 * Loads the freetype font.
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232 * First type to load the fontname as if it were a path. If that fails,
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233 * try to resolve the filename of the font using fontconfig, where the
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234 * format is 'font family name' or 'font family name, font style'.
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235 */
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236 static void LoadFreeTypeFont(const char *font_name, FT_Face *face, const char *type)
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237 {
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238 FT_Error error;
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239
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240 if (StrEmpty(font_name)) return;
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241
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242 error = FT_New_Face(_library, font_name, 0, face);
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243
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244 if (error != FT_Err_Ok) error = GetFontByFaceName(font_name, face);
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245
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246 if (error == FT_Err_Ok) {
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247 DEBUG(freetype, 2, "Requested '%s', using '%s %s'", font_name, (*face)->family_name, (*face)->style_name);
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248
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249 /* Attempt to select the unicode character map */
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250 error = FT_Select_Charmap(*face, ft_encoding_unicode);
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251 if (error == FT_Err_Ok) return; // Success
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252
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253 if (error == FT_Err_Invalid_CharMap_Handle) {
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254 /* Try to pick a different character map instead. We default to
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255 * the first map, but platform_id 0 encoding_id 0 should also
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256 * be unicode (strange system...) */
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257 FT_CharMap found = (*face)->charmaps[0];
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258 int i;
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259
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260 for (i = 0; i < (*face)->num_charmaps; i++) {
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261 FT_CharMap charmap = (*face)->charmaps[i];
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262 if (charmap->platform_id == 0 && charmap->encoding_id == 0) {
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263 found = charmap;
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264 }
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265 }
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266
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267 if (found != NULL) {
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268 error = FT_Set_Charmap(*face, found);
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269 if (error == FT_Err_Ok) return;
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270 }
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271 }
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272 }
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273
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274 FT_Done_Face(*face);
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275 *face = NULL;
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276
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277 ShowInfoF("Unable to use '%s' for %s font, FreeType reported error 0x%X, using sprite font instead", font_name, type, error);
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278 }
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279
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280
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281 void InitFreeType()
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282 {
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283 if (StrEmpty(_freetype.small_font) && StrEmpty(_freetype.medium_font) && StrEmpty(_freetype.large_font)) {
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284 DEBUG(freetype, 1, "No font faces specified, using sprite fonts instead");
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285 return;
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286 }
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287
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288 if (FT_Init_FreeType(&_library) != FT_Err_Ok) {
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289 ShowInfoF("Unable to initialize FreeType, using sprite fonts instead");
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290 return;
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291 }
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292
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293 DEBUG(freetype, 2, "Initialized");
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294
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295 /* Load each font */
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296 LoadFreeTypeFont(_freetype.small_font, &_face_small, "small");
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297 LoadFreeTypeFont(_freetype.medium_font, &_face_medium, "medium");
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298 LoadFreeTypeFont(_freetype.large_font, &_face_large, "large");
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299
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300 /* Set each font size */
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301 if (_face_small != NULL) FT_Set_Pixel_Sizes(_face_small, 0, _freetype.small_size);
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302 if (_face_medium != NULL) FT_Set_Pixel_Sizes(_face_medium, 0, _freetype.medium_size);
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303 if (_face_large != NULL) FT_Set_Pixel_Sizes(_face_large, 0, _freetype.large_size);
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304 }
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305
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306
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307 static FT_Face GetFontFace(FontSize size)
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308 {
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309 switch (size) {
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310 default: NOT_REACHED();
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311 case FS_NORMAL: return _face_medium;
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312 case FS_SMALL: return _face_small;
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313 case FS_LARGE: return _face_large;
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314 }
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315 }
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316
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317
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318 struct GlyphEntry {
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319 Sprite *sprite;
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320 byte width;
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321 };
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322
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323
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parents:
diff changeset
324 /* The glyph cache. This is structured to reduce memory consumption.
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parents:
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325 * 1) There is a 'segment' table for each font size.
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parents:
diff changeset
326 * 2) Each segment table is a discrete block of characters.
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parents:
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327 * 3) Each block contains 256 (aligned) characters sequential characters.
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parents:
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328 *
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329 * The cache is accessed in the following way:
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parents:
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330 * For character 0x0041 ('A'): _glyph_ptr[FS_NORMAL][0x00][0x41]
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331 * For character 0x20AC (Euro): _glyph_ptr[FS_NORMAL][0x20][0xAC]
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KUDr <KUDr@openttd.org>
parents:
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332 *
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parents:
diff changeset
333 * Currently only 256 segments are allocated, "limiting" us to 65536 characters.
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334 * This can be simply changed in the two functions Get & SetGlyphPtr.
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335 */
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diff changeset
336 static GlyphEntry **_glyph_ptr[FS_END];
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337
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338
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339 static GlyphEntry *GetGlyphPtr(FontSize size, WChar key)
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340 {
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341 if (_glyph_ptr[size] == NULL) return NULL;
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342 if (_glyph_ptr[size][GB(key, 8, 8)] == NULL) return NULL;
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343 return &_glyph_ptr[size][GB(key, 8, 8)][GB(key, 0, 8)];
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344 }
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345
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346
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347 static void SetGlyphPtr(FontSize size, WChar key, const GlyphEntry *glyph)
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348 {
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349 if (_glyph_ptr[size] == NULL) {
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350 DEBUG(freetype, 3, "Allocating root glyph cache for size %u", size);
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358c07fb3212 (svn r8066) - Codechange: MallocT(), CallocT(), ReallocT() now return the pointer to allocated memory instead of modifying the pointer given as parameter
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351 _glyph_ptr[size] = CallocT<GlyphEntry*>(256);
5584
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352 }
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353
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354 if (_glyph_ptr[size][GB(key, 8, 8)] == NULL) {
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355 DEBUG(freetype, 3, "Allocating glyph cache for range 0x%02X00, size %u", GB(key, 8, 8), size);
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358c07fb3212 (svn r8066) - Codechange: MallocT(), CallocT(), ReallocT() now return the pointer to allocated memory instead of modifying the pointer given as parameter
KUDr <KUDr@openttd.org>
parents: 5587
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356 _glyph_ptr[size][GB(key, 8, 8)] = CallocT<GlyphEntry>(256);
5584
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357 }
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358
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359 DEBUG(freetype, 4, "Set glyph for unicode character 0x%04X, size %u", key, size);
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360 _glyph_ptr[size][GB(key, 8, 8)][GB(key, 0, 8)].sprite = glyph->sprite;
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361 _glyph_ptr[size][GB(key, 8, 8)][GB(key, 0, 8)].width = glyph->width;
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362 }
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363
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364
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365 const Sprite *GetGlyph(FontSize size, WChar key)
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366 {
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367 FT_Face face = GetFontFace(size);
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KUDr <KUDr@openttd.org>
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368 FT_GlyphSlot slot;
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369 GlyphEntry new_glyph;
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370 GlyphEntry *glyph;
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371 Sprite *sprite;
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372 int width;
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373 int height;
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374 int x;
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375 int y;
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376 int y_adj;
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377
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378 assert(IsPrintable(key));
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379
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380 /* Bail out if no face loaded, or for our special characters */
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381 if (face == NULL || (key >= SCC_SPRITE_START && key <= SCC_SPRITE_END)) {
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KUDr <KUDr@openttd.org>
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382 SpriteID sprite = GetUnicodeGlyph(size, key);
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KUDr <KUDr@openttd.org>
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383 if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
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384 return GetSprite(sprite);
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385 }
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KUDr <KUDr@openttd.org>
parents:
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386
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KUDr <KUDr@openttd.org>
parents:
diff changeset
387 /* Check for the glyph in our cache */
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parents:
diff changeset
388 glyph = GetGlyphPtr(size, key);
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KUDr <KUDr@openttd.org>
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389 if (glyph != NULL && glyph->sprite != NULL) return glyph->sprite;
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390
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391 slot = face->glyph;
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392
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KUDr <KUDr@openttd.org>
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393 FT_Load_Char(face, key, FT_LOAD_DEFAULT);
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394 FT_Render_Glyph(face->glyph, FT_RENDER_MODE_MONO);
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395
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KUDr <KUDr@openttd.org>
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diff changeset
396 /* Add 1 pixel for the shadow on the medium font. Our sprite must be at least 1x1 pixel */
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397 width = max(1, slot->bitmap.width + (size == FS_NORMAL));
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398 height = max(1, slot->bitmap.rows + (size == FS_NORMAL));
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parents:
diff changeset
399
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KUDr <KUDr@openttd.org>
parents:
diff changeset
400 /* FreeType has rendered the glyph, now we allocate a sprite and copy the image into it */
5587
c44c070c5032 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium <rubidium@openttd.org>
parents: 5584
diff changeset
401 sprite = (Sprite*)calloc(width * height + 8, 1);
5584
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parents:
diff changeset
402 sprite->info = 1;
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parents:
diff changeset
403 sprite->width = width;
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parents:
diff changeset
404 sprite->height = height;
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parents:
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405 sprite->x_offs = slot->bitmap_left;
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KUDr <KUDr@openttd.org>
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diff changeset
406 // XXX 2 should be determined somehow... it's right for the normal face
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KUDr <KUDr@openttd.org>
parents:
diff changeset
407 y_adj = (size == FS_NORMAL) ? 2 : 0;
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KUDr <KUDr@openttd.org>
parents:
diff changeset
408 sprite->y_offs = GetCharacterHeight(size) - slot->bitmap_top - y_adj;
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KUDr <KUDr@openttd.org>
parents:
diff changeset
409
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KUDr <KUDr@openttd.org>
parents:
diff changeset
410 /* Draw shadow for medium size */
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KUDr <KUDr@openttd.org>
parents:
diff changeset
411 if (size == FS_NORMAL) {
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KUDr <KUDr@openttd.org>
parents:
diff changeset
412 for (y = 0; y < slot->bitmap.rows; y++) {
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KUDr <KUDr@openttd.org>
parents:
diff changeset
413 for (x = 0; x < slot->bitmap.width; x++) {
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KUDr <KUDr@openttd.org>
parents:
diff changeset
414 if (HASBIT(slot->bitmap.buffer[(x / 8) + y * slot->bitmap.pitch], 7 - (x % 8))) {
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KUDr <KUDr@openttd.org>
parents:
diff changeset
415 sprite->data[1 + x + (1 + y) * sprite->width] = SHADOW_COLOUR;
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KUDr <KUDr@openttd.org>
parents:
diff changeset
416 }
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KUDr <KUDr@openttd.org>
parents:
diff changeset
417 }
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KUDr <KUDr@openttd.org>
parents:
diff changeset
418 }
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KUDr <KUDr@openttd.org>
parents:
diff changeset
419 }
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KUDr <KUDr@openttd.org>
parents:
diff changeset
420
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KUDr <KUDr@openttd.org>
parents:
diff changeset
421 for (y = 0; y < slot->bitmap.rows; y++) {
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KUDr <KUDr@openttd.org>
parents:
diff changeset
422 for (x = 0; x < slot->bitmap.width; x++) {
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KUDr <KUDr@openttd.org>
parents:
diff changeset
423 if (HASBIT(slot->bitmap.buffer[(x / 8) + y * slot->bitmap.pitch], 7 - (x % 8))) {
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KUDr <KUDr@openttd.org>
parents:
diff changeset
424 sprite->data[x + y * sprite->width] = FACE_COLOUR;
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KUDr <KUDr@openttd.org>
parents:
diff changeset
425 }
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KUDr <KUDr@openttd.org>
parents:
diff changeset
426 }
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KUDr <KUDr@openttd.org>
parents:
diff changeset
427 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
428
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
429 new_glyph.sprite = sprite;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
430 new_glyph.width = (slot->advance.x >> 6) + (size != FS_NORMAL);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
431
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
432 SetGlyphPtr(size, key, &new_glyph);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
433
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
434 return sprite;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
435 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
436
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
437
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
438 uint GetGlyphWidth(FontSize size, WChar key)
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
439 {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
440 FT_Face face = GetFontFace(size);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
441 GlyphEntry *glyph;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
442
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
443 if (face == NULL || (key >= SCC_SPRITE_START && key <= SCC_SPRITE_END)) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
444 SpriteID sprite = GetUnicodeGlyph(size, key);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
445 if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
446 return SpriteExists(sprite) ? GetSprite(sprite)->width + (size != FS_NORMAL) : 0;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
447 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
448
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
449 glyph = GetGlyphPtr(size, key);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
450 if (glyph == NULL || glyph->sprite == NULL) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
451 GetGlyph(size, key);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
452 glyph = GetGlyphPtr(size, key);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
453 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
454
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
455 return glyph->width;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
456 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
457
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
458
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
459 #endif /* WITH_FREETYPE */
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
460
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
461 /* Sprite based glyph mapping */
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
462
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
463 #include "table/unicode.h"
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
464
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
465 static SpriteID **_unicode_glyph_map[FS_END];
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KUDr <KUDr@openttd.org>
parents:
diff changeset
466
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
467
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
468 /** Get the SpriteID of the first glyph for the given font size */
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
469 static SpriteID GetFontBase(FontSize size)
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KUDr <KUDr@openttd.org>
parents:
diff changeset
470 {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
471 switch (size) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
472 default: NOT_REACHED();
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
473 case FS_NORMAL: return SPR_ASCII_SPACE;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
474 case FS_SMALL: return SPR_ASCII_SPACE_SMALL;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
475 case FS_LARGE: return SPR_ASCII_SPACE_BIG;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
476 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
477 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
478
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
479
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
480 SpriteID GetUnicodeGlyph(FontSize size, uint32 key)
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
481 {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
482 if (_unicode_glyph_map[size][GB(key, 8, 8)] == NULL) return 0;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
483 return _unicode_glyph_map[size][GB(key, 8, 8)][GB(key, 0, 8)];
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
484 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
485
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
486
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
487 void SetUnicodeGlyph(FontSize size, uint32 key, SpriteID sprite)
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
488 {
5609
358c07fb3212 (svn r8066) - Codechange: MallocT(), CallocT(), ReallocT() now return the pointer to allocated memory instead of modifying the pointer given as parameter
KUDr <KUDr@openttd.org>
parents: 5587
diff changeset
489 if (_unicode_glyph_map[size] == NULL) _unicode_glyph_map[size] = CallocT<SpriteID*>(256);
358c07fb3212 (svn r8066) - Codechange: MallocT(), CallocT(), ReallocT() now return the pointer to allocated memory instead of modifying the pointer given as parameter
KUDr <KUDr@openttd.org>
parents: 5587
diff changeset
490 if (_unicode_glyph_map[size][GB(key, 8, 8)] == NULL) _unicode_glyph_map[size][GB(key, 8, 8)] = CallocT<SpriteID>(256);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
491 _unicode_glyph_map[size][GB(key, 8, 8)][GB(key, 0, 8)] = sprite;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
492 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
493
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
494
6247
57363e064324 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium <rubidium@openttd.org>
parents: 6179
diff changeset
495 void InitializeUnicodeGlyphMap()
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
496 {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
497 FontSize size;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
498 SpriteID base;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
499 SpriteID sprite;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
500 uint i;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
501
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
502 for (size = FS_NORMAL; size != FS_END; size++) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
503 /* Clear out existing glyph map if it exists */
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
504 if (_unicode_glyph_map[size] != NULL) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
505 for (i = 0; i < 256; i++) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
506 if (_unicode_glyph_map[size][i] != NULL) free(_unicode_glyph_map[size][i]);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
507 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
508 free(_unicode_glyph_map[size]);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
509 _unicode_glyph_map[size] = NULL;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
510 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
511
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
512 base = GetFontBase(size);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
513 for (i = ASCII_LETTERSTART; i < 256; i++) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
514 sprite = base + i - ASCII_LETTERSTART;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
515 if (!SpriteExists(sprite)) continue;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
516 SetUnicodeGlyph(size, i, sprite);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
517 SetUnicodeGlyph(size, i + SCC_SPRITE_START, sprite);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
518 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
519 for (i = 0; i < lengthof(_default_unicode_map); i++) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
520 sprite = base + _default_unicode_map[i].key - ASCII_LETTERSTART;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
521 SetUnicodeGlyph(size, _default_unicode_map[i].code, sprite);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
522 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
523 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
524 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
525
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
526
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
527