diff options
Diffstat (limited to 'libX11/modules/om/generic/omTextPer.c')
-rw-r--r-- | libX11/modules/om/generic/omTextPer.c | 404 |
1 files changed, 202 insertions, 202 deletions
diff --git a/libX11/modules/om/generic/omTextPer.c b/libX11/modules/om/generic/omTextPer.c index ae08fe6a4..c66848aa2 100644 --- a/libX11/modules/om/generic/omTextPer.c +++ b/libX11/modules/om/generic/omTextPer.c @@ -1,202 +1,202 @@ -/* - * 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 - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include "XomGeneric.h" -#include <stdio.h> - -static Status -_XomGenericTextPerCharExtents( - XOC oc, - XOMTextType type, - XPointer text, - int length, - XRectangle *ink_buf, - XRectangle *logical_buf, - int buf_size, - int *num_chars, - XRectangle *overall_ink, - XRectangle *overall_logical) -{ - XlcConv conv; - XFontStruct *font; - Bool is_xchar2b; - XPointer args[2]; - XChar2b xchar2b_buf[BUFSIZ], *xchar2b_ptr; - char *xchar_ptr = NULL; - XCharStruct *def, *cs, overall; - int buf_len, left, require_num; - int logical_ascent, logical_descent; - Bool first = True; - - conv = _XomInitConverter(oc, type); - if (conv == NULL) - return 0; - - bzero((char *) &overall, sizeof(XCharStruct)); - logical_ascent = logical_descent = require_num = *num_chars = 0; - - args[0] = (XPointer) &font; - args[1] = (XPointer) &is_xchar2b; - - while (length > 0) { - xchar2b_ptr = xchar2b_buf; - left = buf_len = BUFSIZ; - - if (_XomConvert(oc, conv, (XPointer *) &text, &length, - (XPointer *) &xchar2b_ptr, &left, args, 2) < 0) - break; - buf_len -= left; - - if (require_num) { - require_num += buf_len; - continue; - } - if (buf_size < buf_len) { - require_num = *num_chars + buf_len; - continue; - } - buf_size -= buf_len; - - if (first) { - logical_ascent = font->ascent; - logical_descent = font->descent; - } else { - logical_ascent = max(logical_ascent, font->ascent); - logical_descent = max(logical_descent, font->descent); - } - - if (is_xchar2b) { - CI_GET_DEFAULT_INFO_2D(font, def) - xchar2b_ptr = xchar2b_buf; - } else { - CI_GET_DEFAULT_INFO_1D(font, def) - xchar_ptr = (char *) xchar2b_buf; - } - - while (buf_len-- > 0) { - if (is_xchar2b) { - CI_GET_CHAR_INFO_2D(font, xchar2b_ptr->byte1, - xchar2b_ptr->byte2, def, cs) - xchar2b_ptr++; - } else { - CI_GET_CHAR_INFO_1D(font, *xchar_ptr, def, cs) - xchar_ptr++; - } - if (cs == NULL) - continue; - - ink_buf->x = overall.width + cs->lbearing; - ink_buf->y = -(cs->ascent); - ink_buf->width = cs->rbearing - cs->lbearing; - ink_buf->height = cs->ascent + cs->descent; - ink_buf++; - - logical_buf->x = overall.width; - logical_buf->y = -(font->ascent); - logical_buf->width = cs->width; - logical_buf->height = font->ascent + font->descent; - logical_buf++; - - if (first) { - overall = *cs; - first = False; - } else { - overall.ascent = max(overall.ascent, cs->ascent); - overall.descent = max(overall.descent, cs->descent); - overall.lbearing = min(overall.lbearing, - overall.width + cs->lbearing); - overall.rbearing = max(overall.rbearing, - overall.width + cs->rbearing); - overall.width += cs->width; - } - - (*num_chars)++; - } - } - - if (require_num) { - *num_chars = require_num; - return 0; - } else { - if (overall_ink) { - overall_ink->x = overall.lbearing; - overall_ink->y = -(overall.ascent); - overall_ink->width = overall.rbearing - overall.lbearing; - overall_ink->height = overall.ascent + overall.descent; - } - - if (overall_logical) { - overall_logical->x = 0; - overall_logical->y = -(logical_ascent); - overall_logical->width = overall.width; - overall_logical->height = logical_ascent + logical_descent; - } - } - - return 1; -} - -Status -_XmbGenericTextPerCharExtents(XOC oc, _Xconst char *text, int length, - XRectangle *ink_buf, XRectangle *logical_buf, - int buf_size, int *num_chars, - XRectangle *overall_ink, - XRectangle *overall_logical) -{ - return _XomGenericTextPerCharExtents(oc, XOMMultiByte, (XPointer) text, - length, ink_buf, logical_buf, buf_size, - num_chars, overall_ink, - overall_logical); -} - -Status -_XwcGenericTextPerCharExtents(XOC oc, _Xconst wchar_t *text, int length, - XRectangle *ink_buf, XRectangle *logical_buf, - int buf_size, int *num_chars, - XRectangle *overall_ink, - XRectangle *overall_logical) -{ - return _XomGenericTextPerCharExtents(oc, XOMWideChar, (XPointer) text, - length, ink_buf, logical_buf, buf_size, - num_chars, overall_ink, - overall_logical); -} - -Status -_Xutf8GenericTextPerCharExtents(XOC oc, _Xconst char *text, int length, - XRectangle *ink_buf, XRectangle *logical_buf, - int buf_size, int *num_chars, - XRectangle *overall_ink, - XRectangle *overall_logical) -{ - return _XomGenericTextPerCharExtents(oc, XOMUtf8String, (XPointer) text, - length, ink_buf, logical_buf, buf_size, - num_chars, overall_ink, - overall_logical); -} +/*
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "XomGeneric.h"
+#include <stdio.h>
+
+static Status
+_XomGenericTextPerCharExtents(
+ XOC oc,
+ XOMTextType type,
+ XPointer text,
+ int length,
+ XRectangle *ink_buf,
+ XRectangle *logical_buf,
+ int buf_size,
+ int *num_chars,
+ XRectangle *overall_ink,
+ XRectangle *overall_logical)
+{
+ XlcConv conv;
+ XFontStruct *font;
+ Bool is_xchar2b;
+ XPointer args[2];
+ XChar2b xchar2b_buf[BUFSIZ], *xchar2b_ptr;
+ char *xchar_ptr = NULL;
+ XCharStruct *def, *cs, overall;
+ int buf_len, left, require_num;
+ int logical_ascent, logical_descent;
+ Bool first = True;
+
+ conv = _XomInitConverter(oc, type);
+ if (conv == NULL)
+ return 0;
+
+ bzero((char *) &overall, sizeof(XCharStruct));
+ logical_ascent = logical_descent = require_num = *num_chars = 0;
+
+ args[0] = (XPointer) &font;
+ args[1] = (XPointer) &is_xchar2b;
+
+ while (length > 0) {
+ xchar2b_ptr = xchar2b_buf;
+ left = buf_len = BUFSIZ;
+
+ if (_XomConvert(oc, conv, (XPointer *) &text, &length,
+ (XPointer *) &xchar2b_ptr, &left, args, 2) < 0)
+ break;
+ buf_len -= left;
+
+ if (require_num) {
+ require_num += buf_len;
+ continue;
+ }
+ if (buf_size < buf_len) {
+ require_num = *num_chars + buf_len;
+ continue;
+ }
+ buf_size -= buf_len;
+
+ if (first) {
+ logical_ascent = font->ascent;
+ logical_descent = font->descent;
+ } else {
+ logical_ascent = max(logical_ascent, font->ascent);
+ logical_descent = max(logical_descent, font->descent);
+ }
+
+ if (is_xchar2b) {
+ CI_GET_DEFAULT_INFO_2D(font, def)
+ xchar2b_ptr = xchar2b_buf;
+ } else {
+ CI_GET_DEFAULT_INFO_1D(font, def)
+ xchar_ptr = (char *) xchar2b_buf;
+ }
+
+ while (buf_len-- > 0) {
+ if (is_xchar2b) {
+ CI_GET_CHAR_INFO_2D(font, xchar2b_ptr->byte1,
+ xchar2b_ptr->byte2, def, cs)
+ xchar2b_ptr++;
+ } else {
+ CI_GET_CHAR_INFO_1D(font, *xchar_ptr, def, cs)
+ xchar_ptr++;
+ }
+ if (cs == NULL)
+ continue;
+
+ ink_buf->x = overall.width + cs->lbearing;
+ ink_buf->y = -(cs->ascent);
+ ink_buf->width = cs->rbearing - cs->lbearing;
+ ink_buf->height = cs->ascent + cs->descent;
+ ink_buf++;
+
+ logical_buf->x = overall.width;
+ logical_buf->y = -(font->ascent);
+ logical_buf->width = cs->width;
+ logical_buf->height = font->ascent + font->descent;
+ logical_buf++;
+
+ if (first) {
+ overall = *cs;
+ first = False;
+ } else {
+ overall.ascent = max(overall.ascent, cs->ascent);
+ overall.descent = max(overall.descent, cs->descent);
+ overall.lbearing = min(overall.lbearing,
+ overall.width + cs->lbearing);
+ overall.rbearing = max(overall.rbearing,
+ overall.width + cs->rbearing);
+ overall.width += cs->width;
+ }
+
+ (*num_chars)++;
+ }
+ }
+
+ if (require_num) {
+ *num_chars = require_num;
+ return 0;
+ } else {
+ if (overall_ink) {
+ overall_ink->x = overall.lbearing;
+ overall_ink->y = -(overall.ascent);
+ overall_ink->width = overall.rbearing - overall.lbearing;
+ overall_ink->height = overall.ascent + overall.descent;
+ }
+
+ if (overall_logical) {
+ overall_logical->x = 0;
+ overall_logical->y = -(logical_ascent);
+ overall_logical->width = overall.width;
+ overall_logical->height = logical_ascent + logical_descent;
+ }
+ }
+
+ return 1;
+}
+
+Status
+_XmbGenericTextPerCharExtents(XOC oc, _Xconst char *text, int length,
+ XRectangle *ink_buf, XRectangle *logical_buf,
+ int buf_size, int *num_chars,
+ XRectangle *overall_ink,
+ XRectangle *overall_logical)
+{
+ return _XomGenericTextPerCharExtents(oc, XOMMultiByte, (XPointer) text,
+ length, ink_buf, logical_buf, buf_size,
+ num_chars, overall_ink,
+ overall_logical);
+}
+
+Status
+_XwcGenericTextPerCharExtents(XOC oc, _Xconst wchar_t *text, int length,
+ XRectangle *ink_buf, XRectangle *logical_buf,
+ int buf_size, int *num_chars,
+ XRectangle *overall_ink,
+ XRectangle *overall_logical)
+{
+ return _XomGenericTextPerCharExtents(oc, XOMWideChar, (XPointer) text,
+ length, ink_buf, logical_buf, buf_size,
+ num_chars, overall_ink,
+ overall_logical);
+}
+
+Status
+_Xutf8GenericTextPerCharExtents(XOC oc, _Xconst char *text, int length,
+ XRectangle *ink_buf, XRectangle *logical_buf,
+ int buf_size, int *num_chars,
+ XRectangle *overall_ink,
+ XRectangle *overall_logical)
+{
+ return _XomGenericTextPerCharExtents(oc, XOMUtf8String, (XPointer) text,
+ length, ink_buf, logical_buf, buf_size,
+ num_chars, overall_ink,
+ overall_logical);
+}
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