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Diffstat (limited to 'libXfont/src/FreeType/ftenc.c')
-rw-r--r--libXfont/src/FreeType/ftenc.c479
1 files changed, 239 insertions, 240 deletions
diff --git a/libXfont/src/FreeType/ftenc.c b/libXfont/src/FreeType/ftenc.c
index d8529d47f..57de53b3a 100644
--- a/libXfont/src/FreeType/ftenc.c
+++ b/libXfont/src/FreeType/ftenc.c
@@ -1,240 +1,239 @@
-/*
-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
-#include <string.h>
-
-#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 <config/ftheader.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);
-
-#if XFONT_BDFFORMAT
- ftrc = FT_Get_BDF_Charset_ID(face, &enc, &reg);
-#else
- ftrc = -1;
-#endif
- 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;
- }
-}
+/*
+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.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <string.h>
+
+#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 <config/ftheader.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);
+
+#if XFONT_BDFFORMAT
+ ftrc = FT_Get_BDF_Charset_ID(face, &enc, &reg);
+#else
+ ftrc = -1;
+#endif
+ 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;
+ }
+}
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