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Diffstat (limited to 'libX11/modules/om/generic/omDefault.c')
-rw-r--r--libX11/modules/om/generic/omDefault.c451
1 files changed, 451 insertions, 0 deletions
diff --git a/libX11/modules/om/generic/omDefault.c b/libX11/modules/om/generic/omDefault.c
new file mode 100644
index 000000000..57dd975ad
--- /dev/null
+++ b/libX11/modules/om/generic/omDefault.c
@@ -0,0 +1,451 @@
+/* $Xorg: omDefault.c,v 1.3 2000/08/17 19:45:21 cpqbld Exp $ */
+/*
+ * 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
+ */
+/*
+ * (c) Copyright 1995 FUJITSU LIMITED
+ * This is source code modified by FUJITSU LIMITED under the Joint
+ * Development Agreement for the CDE/Motif PST.
+ */
+/* $XFree86: xc/lib/X11/omDefault.c,v 1.6 2003/04/13 19:22:22 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "XomGeneric.h"
+#include <X11/Xos.h>
+#include <X11/Xatom.h>
+#include <stdio.h>
+
+#define DefineLocalBuf char local_buf[BUFSIZ]
+#define AllocLocalBuf(length) (length > BUFSIZ ? (char *)Xmalloc(length) : local_buf)
+#define FreeLocalBuf(ptr) if (ptr != local_buf) Xfree(ptr)
+
+static Bool
+wcs_to_mbs(
+ XOC oc,
+ char *to,
+ _Xconst wchar_t *from,
+ int length)
+{
+ XlcConv conv;
+ int to_left, ret;
+
+ conv = _XomInitConverter(oc, XOMWideChar);
+ if (conv == NULL)
+ return False;
+
+ to_left = length;
+ ret = _XlcConvert(conv, (XPointer *) &from, &length, (XPointer *) &to,
+ &to_left, NULL, 0);
+ if (ret != 0 || length > 0)
+ return False;
+
+ return True;
+}
+
+static Bool
+utf8_to_mbs(
+ XOC oc,
+ char *to,
+ _Xconst char *from,
+ int length)
+{
+ XlcConv conv;
+ int to_left, ret;
+
+ conv = _XomInitConverter(oc, XOMUtf8String);
+ if (conv == NULL)
+ return False;
+
+ to_left = length;
+ ret = _XlcConvert(conv, (XPointer *) &from, &length, (XPointer *) &to,
+ &to_left, NULL, 0);
+ if (ret != 0 || length > 0)
+ return False;
+
+ return True;
+}
+
+int
+_XmbDefaultTextEscapement(XOC oc, _Xconst char *text, int length)
+{
+ return XTextWidth(*oc->core.font_info.font_struct_list, text, length);
+}
+
+int
+_XwcDefaultTextEscapement(XOC oc, _Xconst wchar_t *text, int length)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+ int ret;
+
+ if (buf == NULL)
+ return 0;
+
+ if (wcs_to_mbs(oc, buf, text, length) == False) {
+ ret = 0;
+ goto err;
+ }
+
+ ret = _XmbDefaultTextEscapement(oc, buf, length);
+
+err:
+ FreeLocalBuf(buf);
+
+ return ret;
+}
+
+int
+_Xutf8DefaultTextEscapement(XOC oc, _Xconst char *text, int length)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+ int ret;
+
+ if (buf == NULL)
+ return 0;
+
+ if (utf8_to_mbs(oc, buf, text, length) == False) {
+ ret = 0;
+ goto err;
+ }
+
+ ret = _XmbDefaultTextEscapement(oc, buf, length);
+
+err:
+ FreeLocalBuf(buf);
+
+ return ret;
+}
+
+int
+_XmbDefaultTextExtents(XOC oc, _Xconst char *text, int length,
+ XRectangle *overall_ink, XRectangle *overall_logical)
+{
+ int direction, logical_ascent, logical_descent;
+ XCharStruct overall;
+
+ XTextExtents(*oc->core.font_info.font_struct_list, text, length, &direction,
+ &logical_ascent, &logical_descent, &overall);
+
+ 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 overall.width;
+}
+
+int
+_XwcDefaultTextExtents(XOC oc, _Xconst wchar_t *text, int length,
+ XRectangle *overall_ink, XRectangle *overall_logical)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+ int ret;
+
+ if (buf == NULL)
+ return 0;
+
+ if (wcs_to_mbs(oc, buf, text, length) == False) {
+ ret = 0;
+ goto err;
+ }
+
+ ret = _XmbDefaultTextExtents(oc, buf, length, overall_ink, overall_logical);
+
+err:
+ FreeLocalBuf(buf);
+
+ return ret;
+}
+
+int
+_Xutf8DefaultTextExtents(XOC oc, _Xconst char *text, int length,
+ XRectangle *overall_ink, XRectangle *overall_logical)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+ int ret;
+
+ if (buf == NULL)
+ return 0;
+
+ if (utf8_to_mbs(oc, buf, text, length) == False) {
+ ret = 0;
+ goto err;
+ }
+
+ ret = _XmbDefaultTextExtents(oc, buf, length, overall_ink, overall_logical);
+
+err:
+ FreeLocalBuf(buf);
+
+ return ret;
+}
+
+Status
+_XmbDefaultTextPerCharExtents(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)
+{
+ XFontStruct *font = *oc->core.font_info.font_struct_list;
+ XCharStruct *def, *cs, overall;
+ Bool first = True;
+
+ if (buf_size < length)
+ return 0;
+
+ bzero((char *) &overall, sizeof(XCharStruct));
+ *num_chars = 0;
+
+ CI_GET_DEFAULT_INFO_1D(font, def)
+
+ while (length-- > 0) {
+ CI_GET_CHAR_INFO_1D(font, *text, def, cs)
+ text++;
+ 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 (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 = -(font->ascent);
+ overall_logical->width = overall.width;
+ overall_logical->height = font->ascent + font->descent;
+ }
+
+ return 1;
+}
+
+Status
+_XwcDefaultTextPerCharExtents(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)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+ Status ret;
+
+ if (buf == NULL)
+ return 0;
+
+ if (wcs_to_mbs(oc, buf, text, length) == False) {
+ ret = 0;
+ goto err;
+ }
+
+ ret = _XmbDefaultTextPerCharExtents(oc, buf, length, ink_buf, logical_buf,
+ buf_size, num_chars, overall_ink,
+ overall_logical);
+
+err:
+ FreeLocalBuf(buf);
+
+ return ret;
+}
+
+Status
+_Xutf8DefaultTextPerCharExtents(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)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+ Status ret;
+
+ if (buf == NULL)
+ return 0;
+
+ if (utf8_to_mbs(oc, buf, text, length) == False) {
+ ret = 0;
+ goto err;
+ }
+
+ ret = _XmbDefaultTextPerCharExtents(oc, buf, length, ink_buf, logical_buf,
+ buf_size, num_chars, overall_ink,
+ overall_logical);
+
+err:
+ FreeLocalBuf(buf);
+
+ return ret;
+}
+
+int
+_XmbDefaultDrawString(Display *dpy, Drawable d, XOC oc, GC gc, int x, int y,
+ _Xconst char *text, int length)
+{
+ XFontStruct *font = *oc->core.font_info.font_struct_list;
+
+ XSetFont(dpy, gc, font->fid);
+ XDrawString(dpy, d, gc, x, y, text, length);
+
+ return XTextWidth(font, text, length);
+}
+
+int
+_XwcDefaultDrawString(Display *dpy, Drawable d, XOC oc, GC gc, int x, int y,
+ _Xconst wchar_t *text, int length)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+ int ret;
+
+ if (buf == NULL)
+ return 0;
+
+ if (wcs_to_mbs(oc, buf, text, length) == False) {
+ ret = 0;
+ goto err;
+ }
+
+ ret = _XmbDefaultDrawString(dpy, d, oc, gc, x, y, buf, length);
+
+err:
+ FreeLocalBuf(buf);
+
+ return ret;
+}
+
+int
+_Xutf8DefaultDrawString(Display *dpy, Drawable d, XOC oc, GC gc, int x, int y,
+ _Xconst char *text, int length)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+ int ret;
+
+ if (buf == NULL)
+ return 0;
+
+ if (utf8_to_mbs(oc, buf, text, length) == False) {
+ ret = 0;
+ goto err;
+ }
+
+ ret = _XmbDefaultDrawString(dpy, d, oc, gc, x, y, buf, length);
+
+err:
+ FreeLocalBuf(buf);
+
+ return ret;
+}
+
+void
+_XmbDefaultDrawImageString(Display *dpy, Drawable d, XOC oc, GC gc, int x,
+ int y, _Xconst char *text, int length)
+{
+ XSetFont(dpy, gc, (*oc->core.font_info.font_struct_list)->fid);
+ XDrawImageString(dpy, d, gc, x, y, text, length);
+}
+
+void
+_XwcDefaultDrawImageString(Display *dpy, Drawable d, XOC oc, GC gc, int x,
+ int y, _Xconst wchar_t *text, int length)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+
+ if (buf == NULL)
+ return;
+
+ if (wcs_to_mbs(oc, buf, text, length) == False)
+ goto err;
+
+ _XmbDefaultDrawImageString(dpy, d, oc, gc, x, y, buf, length);
+
+err:
+ FreeLocalBuf(buf);
+}
+
+void
+_Xutf8DefaultDrawImageString(Display *dpy, Drawable d, XOC oc, GC gc, int x,
+ int y, _Xconst char *text, int length)
+{
+ DefineLocalBuf;
+ char *buf = AllocLocalBuf(length);
+
+ if (buf == NULL)
+ return;
+
+ if (utf8_to_mbs(oc, buf, text, length) == False)
+ goto err;
+
+ _XmbDefaultDrawImageString(dpy, d, oc, gc, x, y, buf, length);
+
+err:
+ FreeLocalBuf(buf);
+}
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