diff options
Diffstat (limited to 'libX11/src/Text16.c')
-rw-r--r-- | libX11/src/Text16.c | 304 |
1 files changed, 152 insertions, 152 deletions
diff --git a/libX11/src/Text16.c b/libX11/src/Text16.c index f25e0ce27..5a66a2bf6 100644 --- a/libX11/src/Text16.c +++ b/libX11/src/Text16.c @@ -1,152 +1,152 @@ -/*
-
-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"
-
-int
-XDrawString16(
- register Display *dpy,
- Drawable d,
- GC gc,
- int x,
- int y,
- _Xconst XChar2b *string,
- int length)
-{
- int Datalength = 0;
- register xPolyText16Req *req;
-
- if (length <= 0)
- return 0;
-
- LockDisplay(dpy);
- FlushGC(dpy, gc);
- GetReq (PolyText16, req);
- req->drawable = d;
- req->gc = gc->gid;
- req->x = x;
- req->y = y;
-
-
- Datalength += SIZEOF(xTextElt) * ((length + 253) / 254) + (length << 1);
-
-
- req->length += (Datalength + 3)>>2; /* convert to number of 32-bit words */
-
-
- /*
- * If the entire request does not fit into the remaining space in the
- * buffer, flush the buffer first. If the request does fit into the
- * empty buffer, then we won't have to flush it at the end to keep
- * the buffer 32-bit aligned.
- */
-
- if (dpy->bufptr + Datalength > dpy->bufmax)
- _XFlush (dpy);
-
- {
- int nbytes;
- int PartialNChars = length;
- register xTextElt *elt;
- XChar2b *CharacterOffset = (XChar2b *)string;
-
- while(PartialNChars > 254)
- {
- nbytes = 254 * 2 + SIZEOF(xTextElt);
- BufAlloc (xTextElt *, elt, nbytes);
- elt->delta = 0;
- elt->len = 254;
-#if defined(MUSTCOPY) || defined(MUSTCOPY2B)
- {
- register int i;
- register unsigned char *cp;
- for (i = 0, cp = ((unsigned char *)elt) + 2; i < 254; i++) {
- *cp++ = CharacterOffset[i].byte1;
- *cp++ = CharacterOffset[i].byte2;
- }
- }
-#else
- memcpy (((char *) elt) + 2, (char *)CharacterOffset, 254 * 2);
-#endif
- PartialNChars = PartialNChars - 254;
- CharacterOffset += 254;
- }
-
- if (PartialNChars)
- {
- nbytes = PartialNChars * 2 + SIZEOF(xTextElt);
- BufAlloc (xTextElt *, elt, nbytes);
- elt->delta = 0;
- elt->len = PartialNChars;
-#if defined(MUSTCOPY) || defined(MUSTCOPY2B)
- {
- register int i;
- register unsigned char *cp;
- for (i = 0, cp = ((unsigned char *)elt) + 2; i < PartialNChars;
- i++) {
- *cp++ = CharacterOffset[i].byte1;
- *cp++ = CharacterOffset[i].byte2;
- }
- }
-#else
- memcpy(((char *)elt) + 2, (char *)CharacterOffset, PartialNChars * 2);
-#endif
- }
- }
-
- /* Pad request out to a 32-bit boundary */
-
- if (Datalength &= 3) {
- char *pad;
- /*
- * BufAlloc is a macro that uses its last argument more than
- * once, otherwise I'd write "BufAlloc (char *, pad, 4-length)"
- */
- length = 4 - Datalength;
- BufAlloc (char *, pad, length);
- /*
- * if there are 3 bytes of padding, the first byte MUST be 0
- * so the pad bytes aren't mistaken for a final xTextElt
- */
- *pad = 0;
- }
-
- /*
- * If the buffer pointer is not now pointing to a 32-bit boundary,
- * we must flush the buffer so that it does point to a 32-bit boundary
- * at the end of this routine.
- */
-
- if ((dpy->bufptr - dpy->buffer) & 3)
- _XFlush (dpy);
- UnlockDisplay(dpy);
- SyncHandle();
- return 0;
-}
-
+/* + +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" + +int +XDrawString16( + register Display *dpy, + Drawable d, + GC gc, + int x, + int y, + _Xconst XChar2b *string, + int length) +{ + int Datalength = 0; + register xPolyText16Req *req; + + if (length <= 0) + return 0; + + LockDisplay(dpy); + FlushGC(dpy, gc); + GetReq (PolyText16, req); + req->drawable = d; + req->gc = gc->gid; + req->x = x; + req->y = y; + + + Datalength += SIZEOF(xTextElt) * ((length + 253) / 254) + (length << 1); + + + req->length += (Datalength + 3)>>2; /* convert to number of 32-bit words */ + + + /* + * If the entire request does not fit into the remaining space in the + * buffer, flush the buffer first. If the request does fit into the + * empty buffer, then we won't have to flush it at the end to keep + * the buffer 32-bit aligned. + */ + + if (dpy->bufptr + Datalength > dpy->bufmax) + _XFlush (dpy); + + { + int nbytes; + int PartialNChars = length; + register xTextElt *elt; + XChar2b *CharacterOffset = (XChar2b *)string; + + while(PartialNChars > 254) + { + nbytes = 254 * 2 + SIZEOF(xTextElt); + BufAlloc (xTextElt *, elt, nbytes); + elt->delta = 0; + elt->len = 254; +#if defined(MUSTCOPY) || defined(MUSTCOPY2B) + { + register int i; + register unsigned char *cp; + for (i = 0, cp = ((unsigned char *)elt) + 2; i < 254; i++) { + *cp++ = CharacterOffset[i].byte1; + *cp++ = CharacterOffset[i].byte2; + } + } +#else + memcpy (((char *) elt) + 2, (char *)CharacterOffset, 254 * 2); +#endif + PartialNChars = PartialNChars - 254; + CharacterOffset += 254; + } + + if (PartialNChars) + { + nbytes = PartialNChars * 2 + SIZEOF(xTextElt); + BufAlloc (xTextElt *, elt, nbytes); + elt->delta = 0; + elt->len = PartialNChars; +#if defined(MUSTCOPY) || defined(MUSTCOPY2B) + { + register int i; + register unsigned char *cp; + for (i = 0, cp = ((unsigned char *)elt) + 2; i < PartialNChars; + i++) { + *cp++ = CharacterOffset[i].byte1; + *cp++ = CharacterOffset[i].byte2; + } + } +#else + memcpy(((char *)elt) + 2, (char *)CharacterOffset, PartialNChars * 2); +#endif + } + } + + /* Pad request out to a 32-bit boundary */ + + if (Datalength &= 3) { + char *pad; + /* + * BufAlloc is a macro that uses its last argument more than + * once, otherwise I'd write "BufAlloc (char *, pad, 4-length)" + */ + length = 4 - Datalength; + BufAlloc (char *, pad, length); + /* + * if there are 3 bytes of padding, the first byte MUST be 0 + * so the pad bytes aren't mistaken for a final xTextElt + */ + *pad = 0; + } + + /* + * If the buffer pointer is not now pointing to a 32-bit boundary, + * we must flush the buffer so that it does point to a 32-bit boundary + * at the end of this routine. + */ + + if ((dpy->bufptr - dpy->buffer) & 3) + _XFlush (dpy); + UnlockDisplay(dpy); + SyncHandle(); + return 0; +} + |