diff options
Diffstat (limited to 'libX11/src/FontInfo.c')
| -rw-r--r-- | libX11/src/FontInfo.c | 506 |
1 files changed, 253 insertions, 253 deletions
diff --git a/libX11/src/FontInfo.c b/libX11/src/FontInfo.c index dd0b83f24..a3ab65be5 100644 --- a/libX11/src/FontInfo.c +++ b/libX11/src/FontInfo.c @@ -1,253 +1,253 @@ -/*
-
-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.
-
-*/
-
-#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;
-}
+/* + +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. + +*/ + +#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; +} |