diff options
Diffstat (limited to 'libX11/modules/om/generic/omXChar.c')
| -rw-r--r-- | libX11/modules/om/generic/omXChar.c | 954 |
1 files changed, 477 insertions, 477 deletions
diff --git a/libX11/modules/om/generic/omXChar.c b/libX11/modules/om/generic/omXChar.c index ff517d5e5..61c8c0b89 100644 --- a/libX11/modules/om/generic/omXChar.c +++ b/libX11/modules/om/generic/omXChar.c @@ -1,477 +1,477 @@ -/* - * Copyright 1992, 1993 by TOSHIBA Corp. - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, provided - * that the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of TOSHIBA not be used in advertising - * or publicity pertaining to distribution of the software without specific, - * written prior permission. TOSHIBA make no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR - * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, - * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - * Author: Katsuhisa Yano TOSHIBA Corp. - * mopi@osa.ilab.toshiba.co.jp - */ -/* - * Copyright 1995 by FUJITSU LIMITED - * This is source code modified by FUJITSU LIMITED under the Joint - * Development Agreement for the CDE/Motif PST. - * - * Modifier: Takanori Tateno FUJITSU LIMITED - * - */ -/* - * Modifiers: Jeff Walls, Paul Anderson (HEWLETT-PACKARD) - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include "XlcPublic.h" -#include "XomGeneric.h" -#include <stdio.h> - -/* for VW/UDC start */ -static Bool -ismatch_scopes( - FontData fontdata, - unsigned long *value, - Bool is_shift) -{ - register int scopes_num = fontdata->scopes_num; - FontScope scopes = fontdata->scopes; - if (!scopes_num) - return False; - - if(fontdata->font == NULL) - return False; - - for(;scopes_num--;scopes++) - if ((scopes->start <= (*value & 0x7f7f)) && - ((scopes->end) >= (*value & 0x7f7f))){ - if(is_shift == True) { - if(scopes->shift){ - if(scopes->shift_direction == '+'){ - *value += scopes->shift ; - } else if( scopes->shift_direction == '-'){ - *value -= scopes->shift ; - } - } - } - return True; - } - - return False; -} - -static int -check_vertical_fonttype( - char *name) -{ - char *ptr; - int type = 0; - - if(name == (char *)NULL || (int) strlen(name) <= 0) - return False; - - /* Obtains the pointer of CHARSET_ENCODING_FIELD. */ - if((ptr = strchr(name, '-')) == (char *) NULL) - return False; - ptr++; - - /* Obtains the pointer of vertical_map font type. */ - if((ptr = strchr(ptr, '.')) == (char *) NULL) - return False; - ptr++; - - switch(*ptr) { - case '1': - type = 1; break; - case '2': - type = 2; break; - case '3': - type = 3; break; - } - return type; -} - -/* -*/ -#define VMAP 0 -#define VROTATE 1 -#define FONTSCOPE 2 - -FontData -_XomGetFontDataFromFontSet( - FontSet fs, - unsigned char *str, - int len, - int *len_ret, - int is2b, - int type) /* VMAP , VROTATE , else */ -{ - unsigned long value; - int num,i,hit,csize; - FontData fontdata; - unsigned char *c; - int vfont_type; - - c = str; - hit = -1; - if(type == VMAP){ - fontdata = fs->vmap; - num = fs->vmap_num; - } else if(type == VROTATE){ - fontdata = (FontData)fs->vrotate; - num = fs->vrotate_num; - } else { - if(fs->font_data_count <= 0 || fs->font_data == (FontData)NULL) { - fontdata = fs->substitute; - num = fs->substitute_num; - }else { - fontdata = fs->font_data; - num = fs->font_data_count; - } - /* CDExc20229 fix */ - if(fontdata == NULL || num == 0){ - return(NULL); - } - } - - - if(is2b){ - csize = 2; - } else { - csize = 1; - } - - for(;len;len--){ - if(is2b){ - value = (((unsigned long)*c) << 8)|(unsigned long)*(c + 1); - } else { - value = (unsigned long)*c; - } - - /* ### NOTE: This routine DOES NOT WORK! - * ### We can work around the problem in the calling routine, - * ### but we really need to understand this better. As it - * ### stands, the algorithm ALWAYS returns "fontdata[0]" - * ### for non-VW text! This is clearly wrong. In fact, - * ### given the new parse_font[name|data]() algorithms, - * ### we may not even need this routine to do anything - * ### for non-VW text (since font_set->font always contains - * ### the best font for this fontset). -- jjw/pma (HP) - */ - for (i=0;i<num;i++) { - if(type == VROTATE) { - if(fontdata[i].font) { - /* If the num_cr equal zero, all character is rotated. */ - if(fontdata[i].scopes_num == 0) { - break; - } else { - /* The vertical rotate glyph is not have code shift. */ - if (ismatch_scopes(&(fontdata[i]),&value,False)) { - break; - } - } - } - } else if(type == VMAP) { - if(fontdata[i].font) { - vfont_type = check_vertical_fonttype(fontdata[i].name); - if(vfont_type == 0 || vfont_type == 1) { - break; - } else if(vfont_type == 2 || vfont_type == 3) { - if(fontdata[i].scopes_num <= 0) - break; - - if (ismatch_scopes(&(fontdata[i]),&value,True)) { - break; - } - } - } - } else { /* FONTSCOPE */ - if(fontdata[i].font) { - if(fontdata[i].scopes_num <= 0) - break; - if (ismatch_scopes(&(fontdata[i]),&value,True)){ - break; - } - } - } - } - if((hit != -1) && (i != hit)){ - break; - } - if(i == num){ - if( type == VROTATE || type == VMAP){ - /* Change 1996.01.23 start */ - if(fs->font_data_count <= 0 || - fs->font_data == (FontData)NULL) - fontdata = fs->substitute; - else - fontdata = fs->font_data; - /* Change 1996.01.23 end */ - } - hit = 0; - c += csize; - break; - } - if( hit == -1 ) hit = i; - if(is2b){ - *c = (unsigned char)(value >> 8); - *(c + 1) = (unsigned char)(value); - } else { - *c = (unsigned char)value; - } - c += csize; - } - *len_ret = (c - str); - return(&(fontdata[hit])); -} -/* for VW/UDC end */ - -static FontSet -_XomGetFontSetFromCharSet( - XOC oc, - XlcCharSet charset) -{ - register FontSet font_set = XOC_GENERIC(oc)->font_set; - register int num = XOC_GENERIC(oc)->font_set_num; - XlcCharSet *charset_list; - int charset_count; - - for ( ; num-- > 0; font_set++) { - charset_count = font_set->charset_count; - charset_list = font_set->charset_list; - for ( ; charset_count-- > 0; charset_list++) - if (*charset_list == charset) - return font_set; - } - - return (FontSet) NULL; -} - -#ifdef MUSTCOPY -static void -cs_to_xchar2b( - register char *from, - register XChar2b *to, - register length) -{ - while (length-- > 0) { - to->byte1 = *from++; - to->byte2 = *from++; - to++; - } -} - -static void -cs_to_xchar2b_gl( - register char *from, - register XChar2b *to, - register length) -{ - while (length-- > 0) { - to->byte1 = *from++ & 0x7f; - to->byte2 = *from++ & 0x7f; - to++; - } -} - -static void -cs_to_xchar2b_gr( - register char *from, - register XChar2b *to, - register length) -{ - while (length-- > 0) { - to->byte1 = *from++ | 0x80; - to->byte2 = *from++ | 0x80; - to++; - } -} -#endif - -static void -shift_to_gl( - register char *text, - register int length) -{ - while (length-- > 0) - *text++ &= 0x7f; -} - -static void -shift_to_gr( - register char *text, - register int length) -{ - while (length-- > 0) - *text++ |= 0x80; -} - -static Bool -load_font( - XOC oc, - FontSet font_set) -{ - font_set->font = XLoadQueryFont(oc->core.om->core.display, - oc->core.font_info.font_name_list[font_set->id]); - if (font_set->font == NULL) - return False; - - oc->core.font_info.font_struct_list[font_set->id] = font_set->font; - XFreeFontInfo(NULL, font_set->info, 1); - font_set->info = NULL; - - if (font_set->font->min_byte1 || font_set->font->max_byte1) - font_set->is_xchar2b = True; - else - font_set->is_xchar2b = False; - - return True; -} - -int -_XomConvert( - XOC oc, - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer cs, lc_args[1]; - XlcCharSet charset; - int length, cs_left, ret; - FontSet font_set; -#ifdef MUSTCOPY - XChar2b *xchar2b; - char *buf, buf_local[BUFSIZ]; -#endif - - cs = *to; - cs_left = *to_left; - lc_args[0] = (XPointer) &charset; - - ret = _XlcConvert(conv, from, from_left, &cs, &cs_left, lc_args, 1); - if (ret < 0) - return -1; - - font_set = _XomGetFontSetFromCharSet(oc, charset); - if (font_set == NULL) - return -1; - - if (font_set->font == NULL && load_font(oc, font_set) == False) - return -1; - - length = *to_left - cs_left; - -#ifdef MUSTCOPY - if (font_set->is_xchar2b) { - buf = (length > BUFSIZ) ? Xmalloc(length) : buf_local; - if (buf == NULL) - return -1; - memcpy(buf, (char *) *to, length); - - xchar2b = (XChar2b *) *to; - length >>= 1; - - if (font_set->side == charset->side) - cs_to_xchar2b(buf, xchar2b, length); - else if (font_set->side == XlcGL) - cs_to_xchar2b_gl(buf, xchar2b, length); - else if (font_set->side == XlcGR) - cs_to_xchar2b_gr(buf, xchar2b, length); - else - cs_to_xchar2b(buf, xchar2b, length); - - if (buf != buf_local) - Xfree(buf); - - *to = (XPointer) (xchar2b + length); - *to_left -= length; - } else -#endif - { - if (font_set->side != charset->side) { - if (font_set->side == XlcGL) - shift_to_gl(*to, length); - else if (font_set->side == XlcGR) - shift_to_gr(*to, length); - } - - if (font_set->is_xchar2b) - length >>= 1; - *to = cs; - *to_left -= length; - } - - *((XFontStruct **) args[0]) = font_set->font; - *((Bool *) args[1]) = font_set->is_xchar2b; - if(num_args >= 3){ - *((FontSet *) args[2]) = font_set; - } - - return ret; -} - -XlcConv -_XomInitConverter( - XOC oc, - XOMTextType type) -{ - XOCGenericPart *gen = XOC_GENERIC(oc); - XlcConv *convp; - const char *conv_type; - XlcConv conv; - XLCd lcd; - - switch (type) { - case XOMWideChar: - convp = &gen->wcs_to_cs; - conv_type = XlcNWideChar; - break; - case XOMMultiByte: - convp = &gen->mbs_to_cs; - conv_type = XlcNMultiByte; - break; - case XOMUtf8String: - convp = &gen->utf8_to_cs; - conv_type = XlcNUtf8String; - break; - default: - return (XlcConv) NULL; - } - - conv = *convp; - if (conv) { - _XlcResetConverter(conv); - return conv; - } - - lcd = oc->core.om->core.lcd; - - conv = _XlcOpenConverter(lcd, conv_type, lcd, XlcNFontCharSet); - if (conv == (XlcConv) NULL) { - conv = _XlcOpenConverter(lcd, conv_type, lcd, XlcNCharSet); - if (conv == (XlcConv) NULL) - return (XlcConv) NULL; - } - - *convp = conv; - return conv; -} +/*
+ * Copyright 1992, 1993 by TOSHIBA Corp.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of TOSHIBA not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. TOSHIBA make no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author: Katsuhisa Yano TOSHIBA Corp.
+ * mopi@osa.ilab.toshiba.co.jp
+ */
+/*
+ * Copyright 1995 by FUJITSU LIMITED
+ * This is source code modified by FUJITSU LIMITED under the Joint
+ * Development Agreement for the CDE/Motif PST.
+ *
+ * Modifier: Takanori Tateno FUJITSU LIMITED
+ *
+ */
+/*
+ * Modifiers: Jeff Walls, Paul Anderson (HEWLETT-PACKARD)
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "XlcPublic.h"
+#include "XomGeneric.h"
+#include <stdio.h>
+
+/* for VW/UDC start */
+static Bool
+ismatch_scopes(
+ FontData fontdata,
+ unsigned long *value,
+ Bool is_shift)
+{
+ register int scopes_num = fontdata->scopes_num;
+ FontScope scopes = fontdata->scopes;
+ if (!scopes_num)
+ return False;
+
+ if(fontdata->font == NULL)
+ return False;
+
+ for(;scopes_num--;scopes++)
+ if ((scopes->start <= (*value & 0x7f7f)) &&
+ ((scopes->end) >= (*value & 0x7f7f))){
+ if(is_shift == True) {
+ if(scopes->shift){
+ if(scopes->shift_direction == '+'){
+ *value += scopes->shift ;
+ } else if( scopes->shift_direction == '-'){
+ *value -= scopes->shift ;
+ }
+ }
+ }
+ return True;
+ }
+
+ return False;
+}
+
+static int
+check_vertical_fonttype(
+ char *name)
+{
+ char *ptr;
+ int type = 0;
+
+ if(name == (char *)NULL || (int) strlen(name) <= 0)
+ return False;
+
+ /* Obtains the pointer of CHARSET_ENCODING_FIELD. */
+ if((ptr = strchr(name, '-')) == (char *) NULL)
+ return False;
+ ptr++;
+
+ /* Obtains the pointer of vertical_map font type. */
+ if((ptr = strchr(ptr, '.')) == (char *) NULL)
+ return False;
+ ptr++;
+
+ switch(*ptr) {
+ case '1':
+ type = 1; break;
+ case '2':
+ type = 2; break;
+ case '3':
+ type = 3; break;
+ }
+ return type;
+}
+
+/*
+*/
+#define VMAP 0
+#define VROTATE 1
+#define FONTSCOPE 2
+
+FontData
+_XomGetFontDataFromFontSet(
+ FontSet fs,
+ unsigned char *str,
+ int len,
+ int *len_ret,
+ int is2b,
+ int type) /* VMAP , VROTATE , else */
+{
+ unsigned long value;
+ int num,i,hit,csize;
+ FontData fontdata;
+ unsigned char *c;
+ int vfont_type;
+
+ c = str;
+ hit = -1;
+ if(type == VMAP){
+ fontdata = fs->vmap;
+ num = fs->vmap_num;
+ } else if(type == VROTATE){
+ fontdata = (FontData)fs->vrotate;
+ num = fs->vrotate_num;
+ } else {
+ if(fs->font_data_count <= 0 || fs->font_data == (FontData)NULL) {
+ fontdata = fs->substitute;
+ num = fs->substitute_num;
+ }else {
+ fontdata = fs->font_data;
+ num = fs->font_data_count;
+ }
+ /* CDExc20229 fix */
+ if(fontdata == NULL || num == 0){
+ return(NULL);
+ }
+ }
+
+
+ if(is2b){
+ csize = 2;
+ } else {
+ csize = 1;
+ }
+
+ for(;len;len--){
+ if(is2b){
+ value = (((unsigned long)*c) << 8)|(unsigned long)*(c + 1);
+ } else {
+ value = (unsigned long)*c;
+ }
+
+ /* ### NOTE: This routine DOES NOT WORK!
+ * ### We can work around the problem in the calling routine,
+ * ### but we really need to understand this better. As it
+ * ### stands, the algorithm ALWAYS returns "fontdata[0]"
+ * ### for non-VW text! This is clearly wrong. In fact,
+ * ### given the new parse_font[name|data]() algorithms,
+ * ### we may not even need this routine to do anything
+ * ### for non-VW text (since font_set->font always contains
+ * ### the best font for this fontset). -- jjw/pma (HP)
+ */
+ for (i=0;i<num;i++) {
+ if(type == VROTATE) {
+ if(fontdata[i].font) {
+ /* If the num_cr equal zero, all character is rotated. */
+ if(fontdata[i].scopes_num == 0) {
+ break;
+ } else {
+ /* The vertical rotate glyph is not have code shift. */
+ if (ismatch_scopes(&(fontdata[i]),&value,False)) {
+ break;
+ }
+ }
+ }
+ } else if(type == VMAP) {
+ if(fontdata[i].font) {
+ vfont_type = check_vertical_fonttype(fontdata[i].name);
+ if(vfont_type == 0 || vfont_type == 1) {
+ break;
+ } else if(vfont_type == 2 || vfont_type == 3) {
+ if(fontdata[i].scopes_num <= 0)
+ break;
+
+ if (ismatch_scopes(&(fontdata[i]),&value,True)) {
+ break;
+ }
+ }
+ }
+ } else { /* FONTSCOPE */
+ if(fontdata[i].font) {
+ if(fontdata[i].scopes_num <= 0)
+ break;
+ if (ismatch_scopes(&(fontdata[i]),&value,True)){
+ break;
+ }
+ }
+ }
+ }
+ if((hit != -1) && (i != hit)){
+ break;
+ }
+ if(i == num){
+ if( type == VROTATE || type == VMAP){
+ /* Change 1996.01.23 start */
+ if(fs->font_data_count <= 0 ||
+ fs->font_data == (FontData)NULL)
+ fontdata = fs->substitute;
+ else
+ fontdata = fs->font_data;
+ /* Change 1996.01.23 end */
+ }
+ hit = 0;
+ c += csize;
+ break;
+ }
+ if( hit == -1 ) hit = i;
+ if(is2b){
+ *c = (unsigned char)(value >> 8);
+ *(c + 1) = (unsigned char)(value);
+ } else {
+ *c = (unsigned char)value;
+ }
+ c += csize;
+ }
+ *len_ret = (c - str);
+ return(&(fontdata[hit]));
+}
+/* for VW/UDC end */
+
+static FontSet
+_XomGetFontSetFromCharSet(
+ XOC oc,
+ XlcCharSet charset)
+{
+ register FontSet font_set = XOC_GENERIC(oc)->font_set;
+ register int num = XOC_GENERIC(oc)->font_set_num;
+ XlcCharSet *charset_list;
+ int charset_count;
+
+ for ( ; num-- > 0; font_set++) {
+ charset_count = font_set->charset_count;
+ charset_list = font_set->charset_list;
+ for ( ; charset_count-- > 0; charset_list++)
+ if (*charset_list == charset)
+ return font_set;
+ }
+
+ return (FontSet) NULL;
+}
+
+#ifdef MUSTCOPY
+static void
+cs_to_xchar2b(
+ register char *from,
+ register XChar2b *to,
+ register length)
+{
+ while (length-- > 0) {
+ to->byte1 = *from++;
+ to->byte2 = *from++;
+ to++;
+ }
+}
+
+static void
+cs_to_xchar2b_gl(
+ register char *from,
+ register XChar2b *to,
+ register length)
+{
+ while (length-- > 0) {
+ to->byte1 = *from++ & 0x7f;
+ to->byte2 = *from++ & 0x7f;
+ to++;
+ }
+}
+
+static void
+cs_to_xchar2b_gr(
+ register char *from,
+ register XChar2b *to,
+ register length)
+{
+ while (length-- > 0) {
+ to->byte1 = *from++ | 0x80;
+ to->byte2 = *from++ | 0x80;
+ to++;
+ }
+}
+#endif
+
+static void
+shift_to_gl(
+ register char *text,
+ register int length)
+{
+ while (length-- > 0)
+ *text++ &= 0x7f;
+}
+
+static void
+shift_to_gr(
+ register char *text,
+ register int length)
+{
+ while (length-- > 0)
+ *text++ |= 0x80;
+}
+
+static Bool
+load_font(
+ XOC oc,
+ FontSet font_set)
+{
+ font_set->font = XLoadQueryFont(oc->core.om->core.display,
+ oc->core.font_info.font_name_list[font_set->id]);
+ if (font_set->font == NULL)
+ return False;
+
+ oc->core.font_info.font_struct_list[font_set->id] = font_set->font;
+ XFreeFontInfo(NULL, font_set->info, 1);
+ font_set->info = NULL;
+
+ if (font_set->font->min_byte1 || font_set->font->max_byte1)
+ font_set->is_xchar2b = True;
+ else
+ font_set->is_xchar2b = False;
+
+ return True;
+}
+
+int
+_XomConvert(
+ XOC oc,
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer cs, lc_args[1];
+ XlcCharSet charset;
+ int length, cs_left, ret;
+ FontSet font_set;
+#ifdef MUSTCOPY
+ XChar2b *xchar2b;
+ char *buf, buf_local[BUFSIZ];
+#endif
+
+ cs = *to;
+ cs_left = *to_left;
+ lc_args[0] = (XPointer) &charset;
+
+ ret = _XlcConvert(conv, from, from_left, &cs, &cs_left, lc_args, 1);
+ if (ret < 0)
+ return -1;
+
+ font_set = _XomGetFontSetFromCharSet(oc, charset);
+ if (font_set == NULL)
+ return -1;
+
+ if (font_set->font == NULL && load_font(oc, font_set) == False)
+ return -1;
+
+ length = *to_left - cs_left;
+
+#ifdef MUSTCOPY
+ if (font_set->is_xchar2b) {
+ buf = (length > BUFSIZ) ? Xmalloc(length) : buf_local;
+ if (buf == NULL)
+ return -1;
+ memcpy(buf, (char *) *to, length);
+
+ xchar2b = (XChar2b *) *to;
+ length >>= 1;
+
+ if (font_set->side == charset->side)
+ cs_to_xchar2b(buf, xchar2b, length);
+ else if (font_set->side == XlcGL)
+ cs_to_xchar2b_gl(buf, xchar2b, length);
+ else if (font_set->side == XlcGR)
+ cs_to_xchar2b_gr(buf, xchar2b, length);
+ else
+ cs_to_xchar2b(buf, xchar2b, length);
+
+ if (buf != buf_local)
+ Xfree(buf);
+
+ *to = (XPointer) (xchar2b + length);
+ *to_left -= length;
+ } else
+#endif
+ {
+ if (font_set->side != charset->side) {
+ if (font_set->side == XlcGL)
+ shift_to_gl(*to, length);
+ else if (font_set->side == XlcGR)
+ shift_to_gr(*to, length);
+ }
+
+ if (font_set->is_xchar2b)
+ length >>= 1;
+ *to = cs;
+ *to_left -= length;
+ }
+
+ *((XFontStruct **) args[0]) = font_set->font;
+ *((Bool *) args[1]) = font_set->is_xchar2b;
+ if(num_args >= 3){
+ *((FontSet *) args[2]) = font_set;
+ }
+
+ return ret;
+}
+
+XlcConv
+_XomInitConverter(
+ XOC oc,
+ XOMTextType type)
+{
+ XOCGenericPart *gen = XOC_GENERIC(oc);
+ XlcConv *convp;
+ const char *conv_type;
+ XlcConv conv;
+ XLCd lcd;
+
+ switch (type) {
+ case XOMWideChar:
+ convp = &gen->wcs_to_cs;
+ conv_type = XlcNWideChar;
+ break;
+ case XOMMultiByte:
+ convp = &gen->mbs_to_cs;
+ conv_type = XlcNMultiByte;
+ break;
+ case XOMUtf8String:
+ convp = &gen->utf8_to_cs;
+ conv_type = XlcNUtf8String;
+ break;
+ default:
+ return (XlcConv) NULL;
+ }
+
+ conv = *convp;
+ if (conv) {
+ _XlcResetConverter(conv);
+ return conv;
+ }
+
+ lcd = oc->core.om->core.lcd;
+
+ conv = _XlcOpenConverter(lcd, conv_type, lcd, XlcNFontCharSet);
+ if (conv == (XlcConv) NULL) {
+ conv = _XlcOpenConverter(lcd, conv_type, lcd, XlcNCharSet);
+ if (conv == (XlcConv) NULL)
+ return (XlcConv) NULL;
+ }
+
+ *convp = conv;
+ return conv;
+}
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