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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/font/FreeType/ftenc.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/lib/font/FreeType/ftenc.c')
-rw-r--r-- | nx-X11/lib/font/FreeType/ftenc.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/nx-X11/lib/font/FreeType/ftenc.c b/nx-X11/lib/font/FreeType/ftenc.c new file mode 100644 index 000000000..a9d6494ff --- /dev/null +++ b/nx-X11/lib/font/FreeType/ftenc.c @@ -0,0 +1,242 @@ +/* +Copyright (c) 1998-2003 by Juliusz Chroboczek + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ +/* $XFree86: xc/lib/font/FreeType/ftenc.c,v 1.24 2003/10/19 18:53:49 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#ifndef FONTMODULE +#include <string.h> +#else +#include "Xmd.h" +#include "Xdefs.h" +#include "xf86_ansic.h" +#endif + +#include <X11/fonts/fntfilst.h> +#include <X11/fonts/fontutil.h> +#include <X11/fonts/FSproto.h> + +#include <X11/fonts/fontmisc.h> +#include <X11/fonts/fontenc.h> +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_TRUETYPE_IDS_H +#include FT_TRUETYPE_TABLES_H +#include FT_TYPE1_TABLES_H +#include FT_BDF_H +#include FT_XFREE86_H +#include "ft.h" + +static int find_cmap(int, int, int, FT_Face, FT_CharMap *); + +static int +FTEncFontSpecific(char *encoding) +{ + char *p = encoding; + + if(strcasecmp(encoding, "microsoft-symbol") == 0) + return 1; + + while(*p != '-') { + if(*p == '\0') + return 0; + p++; + } + p++; + return (strcasecmp(p, "fontspecific") == 0); +} + +int +FTPickMapping(char *xlfd, int length, char *filename, FT_Face face, + FTMappingPtr tm) +{ + FontEncPtr encoding; + FontMapPtr mapping; + FT_CharMap cmap; + int ftrc; + int symbol = 0; + const char *enc, *reg; + char *encoding_name = 0; + char buf[20]; + + if(xlfd) + encoding_name = FontEncFromXLFD(xlfd, length); + if(!encoding_name) + encoding_name = "iso8859-1"; + + symbol = FTEncFontSpecific(encoding_name); + + ftrc = FT_Get_BDF_Charset_ID(face, &enc, ®); + if(ftrc == 0) { + /* Disable reencoding for non-Unicode fonts. This will + currently only work for BDFs. */ + if(strlen(enc) + strlen(reg) > 18) + goto native; + strcpy(buf, enc); + strcat(buf, "-"); + strcat(buf, reg); + ErrorF("%s %s\n", buf, encoding_name); + if(strcasecmp(buf, "iso10646-1") != 0) { + if(strcasecmp(buf, encoding_name) == 0) + goto native; + return BadFontFormat; + } + } else if(symbol) { + ftrc = FT_Select_Charmap(face, ft_encoding_adobe_custom); + if(ftrc == 0) + goto native; + } + + encoding = FontEncFind(encoding_name, filename); + if(symbol && encoding == NULL) + encoding = FontEncFind("microsoft-symbol", filename); + if(encoding == NULL) { + ErrorF("FreeType: couldn't find encoding '%s' for '%s'\n", + encoding_name, filename); + return BadFontName; + } + + if(FT_Has_PS_Glyph_Names(face)) { + for(mapping = encoding->mappings; mapping; mapping = mapping->next) { + if(mapping->type == FONT_ENCODING_POSTSCRIPT) { + tm->named = 1; + tm->base = 0; + tm->mapping = mapping; + return Successful; + } + } + } + + for(mapping = encoding->mappings; mapping; mapping = mapping->next) { + if(find_cmap(mapping->type, mapping->pid, mapping->eid, face, + &cmap)) { + tm->named = 0; + tm->cmap = cmap; + if(symbol) { + /* deal with an undocumented ``feature'' of the + Microsft-Symbol cmap */ + TT_OS2 *os2; + os2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2); + if(os2) + tm->base = os2->usFirstCharIndex - 0x20; + else + tm->base = 0; + } else + tm->base = 0; + tm->mapping = mapping; + return Successful; + } + } + + return BadFontFormat; + + native: + tm->named = 0; + tm->cmap = face->charmap; + tm->base = 0; + tm->mapping = NULL; + return Successful; +} + +static int +find_cmap(int type, int pid, int eid, FT_Face face, FT_CharMap *cmap_return) +{ + int i, n; + FT_CharMap cmap = NULL; + + n = face->num_charmaps; + + switch(type) { + case FONT_ENCODING_TRUETYPE: /* specific cmap */ + for(i=0; i<n; i++) { + cmap = face->charmaps[i]; + if(cmap->platform_id == pid && cmap->encoding_id == eid) { + *cmap_return = cmap; + return 1; + } + } + break; + case FONT_ENCODING_UNICODE: /* any Unicode cmap */ + /* prefer Microsoft Unicode */ + for(i=0; i<n; i++) { + cmap = face->charmaps[i]; + if(cmap->platform_id == TT_PLATFORM_MICROSOFT && + cmap->encoding_id == TT_MS_ID_UNICODE_CS) { + *cmap_return = cmap; + return 1; + } + } + break; + /* Try Apple Unicode */ + for(i=0; i<n; i++) { + cmap = face->charmaps[i]; + if(cmap->platform_id == TT_PLATFORM_APPLE_UNICODE) { + *cmap_return = cmap; + return 1; + } + } + /* ISO Unicode? */ + for(i=0; i<n; i++) { + cmap = face->charmaps[i]; + if(cmap->platform_id == TT_PLATFORM_ISO) { + *cmap_return = cmap; + return 1; + } + } + break; + default: + return 0; + } + return 0; +} + +unsigned +FTRemap(FT_Face face, FTMappingPtr tm, unsigned code) +{ + unsigned index; + char *name; + unsigned glyph_index; + + if(tm->mapping) { + if(tm->named) { + name = FontEncName(code, tm->mapping); + if(!name) + return 0; + glyph_index = FT_Get_Name_Index(face, name); + return glyph_index; + } else { + index = FontEncRecode(code, tm->mapping) + tm->base; + FT_Set_Charmap(face, tm->cmap); + glyph_index = FT_Get_Char_Index(face, index); + return glyph_index; + } + } else { + if(code < 0x100) { + index = code; + FT_Set_Charmap(face, tm->cmap); + glyph_index = FT_Get_Char_Index(face, index); + return glyph_index; + } else + return 0; + } +} |