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-rw-r--r--libX11/src/FontInfo.c256
1 files changed, 256 insertions, 0 deletions
diff --git a/libX11/src/FontInfo.c b/libX11/src/FontInfo.c
new file mode 100644
index 000000000..0a741b938
--- /dev/null
+++ b/libX11/src/FontInfo.c
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+/* $Xorg: FontInfo.c,v 1.4 2001/02/09 02:03:33 xorgcvs Exp $ */
+/*
+
+Copyright 1986, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+/* $XFree86: xc/lib/X11/FontInfo.c,v 1.6 2001/12/14 19:54:00 dawes Exp $ */
+
+#define NEED_REPLIES
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+#if defined(XF86BIGFONT) && !defined(MUSTCOPY)
+#define USE_XF86BIGFONT
+#endif
+#ifdef USE_XF86BIGFONT
+extern void _XF86BigfontFreeFontMetrics(
+ XFontStruct* /* fs */
+);
+#endif
+
+char **XListFontsWithInfo(
+register Display *dpy,
+_Xconst char *pattern, /* null-terminated */
+int maxNames,
+int *actualCount, /* RETURN */
+XFontStruct **info) /* RETURN */
+{
+ register long nbytes;
+ register int i;
+ register XFontStruct *fs;
+ register int size = 0;
+ XFontStruct *finfo = NULL;
+ char **flist = NULL;
+ xListFontsWithInfoReply reply;
+ register xListFontsReq *req;
+ int j;
+
+ LockDisplay(dpy);
+ GetReq(ListFontsWithInfo, req);
+ req->maxNames = maxNames;
+ nbytes = req->nbytes = pattern ? strlen (pattern) : 0;
+ req->length += (nbytes + 3) >> 2;
+ _XSend (dpy, pattern, nbytes);
+ /* use _XSend instead of Data, since subsequent _XReply will flush buffer */
+
+ for (i = 0; ; i++) {
+ if (!_XReply (dpy, (xReply *) &reply,
+ ((SIZEOF(xListFontsWithInfoReply) -
+ SIZEOF(xGenericReply)) >> 2), xFalse)) {
+ for (j=(i-1); (j >= 0); j--) {
+ Xfree(flist[j]);
+ if (finfo[j].properties) Xfree((char *) finfo[j].properties);
+ }
+ if (flist) Xfree((char *) flist);
+ if (finfo) Xfree((char *) finfo);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return ((char **) NULL);
+ }
+ if (reply.nameLength == 0)
+ break;
+ if ((i + reply.nReplies) >= size) {
+ size = i + reply.nReplies + 1;
+
+ if (finfo) {
+ XFontStruct * tmp_finfo = (XFontStruct *)
+ Xrealloc ((char *) finfo,
+ (unsigned) (sizeof(XFontStruct) * size));
+ char ** tmp_flist = (char **)
+ Xrealloc ((char *) flist,
+ (unsigned) (sizeof(char *) * (size+1)));
+
+ if ((! tmp_finfo) || (! tmp_flist)) {
+ /* free all the memory that we allocated */
+ for (j=(i-1); (j >= 0); j--) {
+ Xfree(flist[j]);
+ if (finfo[j].properties)
+ Xfree((char *) finfo[j].properties);
+ }
+ if (tmp_flist) Xfree((char *) tmp_flist);
+ else Xfree((char *) flist);
+ if (tmp_finfo) Xfree((char *) tmp_finfo);
+ else Xfree((char *) finfo);
+ goto clearwire;
+ }
+ finfo = tmp_finfo;
+ flist = tmp_flist;
+ }
+ else {
+ if (! (finfo = (XFontStruct *)
+ Xmalloc((unsigned) (sizeof(XFontStruct) * size))))
+ goto clearwire;
+ if (! (flist = (char **)
+ Xmalloc((unsigned) (sizeof(char *) * (size+1))))) {
+ Xfree((char *) finfo);
+ goto clearwire;
+ }
+ }
+ }
+ fs = &finfo[i];
+
+ fs->ext_data = NULL;
+ fs->per_char = NULL;
+ fs->fid = None;
+ fs->direction = reply.drawDirection;
+ fs->min_char_or_byte2 = reply.minCharOrByte2;
+ fs->max_char_or_byte2 = reply.maxCharOrByte2;
+ fs->min_byte1 = reply.minByte1;
+ fs->max_byte1 = reply.maxByte1;
+ fs->default_char = reply.defaultChar;
+ fs->all_chars_exist = reply.allCharsExist;
+ fs->ascent = cvtINT16toInt (reply.fontAscent);
+ fs->descent = cvtINT16toInt (reply.fontDescent);
+
+#ifdef MUSTCOPY
+ {
+ xCharInfo *xcip;
+
+ xcip = (xCharInfo *) &reply.minBounds;
+ fs->min_bounds.lbearing = xcip->leftSideBearing;
+ fs->min_bounds.rbearing = xcip->rightSideBearing;
+ fs->min_bounds.width = xcip->characterWidth;
+ fs->min_bounds.ascent = xcip->ascent;
+ fs->min_bounds.descent = xcip->descent;
+ fs->min_bounds.attributes = xcip->attributes;
+
+ xcip = (xCharInfo *) &reply.maxBounds;
+ fs->max_bounds.lbearing = xcip->leftSideBearing;
+ fs->max_bounds.rbearing = xcip->rightSideBearing;
+ fs->max_bounds.width = xcip->characterWidth;
+ fs->max_bounds.ascent = xcip->ascent;
+ fs->max_bounds.descent = xcip->descent;
+ fs->max_bounds.attributes = xcip->attributes;
+ }
+#else
+ /* XXX the next two statements won't work if short isn't 16 bits */
+ fs->min_bounds = * (XCharStruct *) &reply.minBounds;
+ fs->max_bounds = * (XCharStruct *) &reply.maxBounds;
+#endif /* MUSTCOPY */
+
+ fs->n_properties = reply.nFontProps;
+ if (fs->n_properties > 0) {
+ nbytes = reply.nFontProps * sizeof(XFontProp);
+ if (! (fs->properties = (XFontProp *) Xmalloc((unsigned) nbytes)))
+ goto badmem;
+ nbytes = reply.nFontProps * SIZEOF(xFontProp);
+ _XRead32 (dpy, (long *)fs->properties, nbytes);
+
+ } else
+ fs->properties = NULL;
+
+ j = reply.nameLength + 1;
+ if (!i)
+ j++; /* make first string 1 byte longer, to match XListFonts */
+ flist[i] = (char *) Xmalloc ((unsigned int) j);
+ if (! flist[i]) {
+ if (finfo[i].properties) Xfree((char *) finfo[i].properties);
+ nbytes = (reply.nameLength + 3) & ~3;
+ _XEatData(dpy, (unsigned long) nbytes);
+ goto badmem;
+ }
+ if (!i) {
+ *flist[0] = 0; /* zero to distinguish from XListFonts */
+ flist[0]++;
+ }
+ flist[i][reply.nameLength] = '\0';
+ _XReadPad (dpy, flist[i], (long) reply.nameLength);
+ }
+ *info = finfo;
+ *actualCount = i;
+ if (flist)
+ flist[i] = NULL; /* required in case XFreeFontNames is called */
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (flist);
+
+
+ badmem:
+ /* Free all memory allocated by this function. */
+ for (j=(i-1); (j >= 0); j--) {
+ Xfree(flist[j]);
+ if (finfo[j].properties) Xfree((char *) finfo[j].properties);
+ }
+ if (flist) Xfree((char *) flist);
+ if (finfo) Xfree((char *) finfo);
+
+ clearwire:
+ /* Clear the wire. */
+ do {
+ if (reply.nFontProps)
+ _XEatData(dpy, (unsigned long)
+ (reply.nFontProps * SIZEOF(xFontProp)));
+ nbytes = (reply.nameLength + 3) & ~3;
+ _XEatData(dpy, (unsigned long) nbytes);
+ }
+ while (_XReply(dpy,(xReply *) &reply, ((SIZEOF(xListFontsWithInfoReply) -
+ SIZEOF(xGenericReply)) >> 2),
+ xFalse) && (reply.nameLength != 0));
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (char **) NULL;
+}
+
+int
+XFreeFontInfo (
+ char **names,
+ XFontStruct *info,
+ int actualCount)
+{
+ register int i;
+ if (names) {
+ Xfree (names[0]-1);
+ for (i = 1; i < actualCount; i++) {
+ Xfree (names[i]);
+ }
+ Xfree((char *) names);
+ }
+ if (info) {
+ for (i = 0; i < actualCount; i++) {
+ if (info[i].per_char)
+#ifdef USE_XF86BIGFONT
+ _XF86BigfontFreeFontMetrics(&info[i]);
+#else
+ Xfree ((char *) info[i].per_char);
+#endif
+ if (info[i].properties)
+ Xfree ((char *) info[i].properties);
+ }
+ Xfree((char *) info);
+ }
+ return 1;
+}
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