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Diffstat (limited to 'libX11/src/PolyTxt16.c')
-rw-r--r--libX11/src/PolyTxt16.c536
1 files changed, 268 insertions, 268 deletions
diff --git a/libX11/src/PolyTxt16.c b/libX11/src/PolyTxt16.c
index 13f17f85e..dd6581827 100644
--- a/libX11/src/PolyTxt16.c
+++ b/libX11/src/PolyTxt16.c
@@ -1,268 +1,268 @@
-/*
-
-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
-XDrawText16(
- register Display *dpy,
- Drawable d,
- GC gc,
- int x,
- int y,
- XTextItem16 *items,
- int nitems)
-{
- register int i;
- register XTextItem16 *item;
- int length = 0;
- register xPolyText16Req *req;
-
- LockDisplay(dpy);
- FlushGC(dpy, gc);
- GetReq (PolyText16, req);
- req->drawable = d;
- req->gc = gc->gid;
- req->x = x;
- req->y = y;
-
- item = items;
- for (i=0; i < nitems; i++) {
- if (item->font)
- length += 5; /* a 255 byte, plus size of Font id */
- if (item->delta)
- {
- if (item->delta > 0)
- {
- length += SIZEOF(xTextElt) * ((item->delta + 126) / 127);
- }
- else
- {
- length += SIZEOF(xTextElt) * ((-item->delta + 127) / 128);
- }
- }
- if (item->nchars > 0)
- {
- length += SIZEOF(xTextElt) * ((item->nchars + 253) / 254 - 1);
- if (!item->delta) length += SIZEOF(xTextElt);
- length += item->nchars << 1;
- }
- item++;
- }
-
- req->length += (length + 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 + length > dpy->bufmax)
- _XFlush (dpy);
-
- item = items;
- for (i=0; i< nitems; i++) {
-
- if (item->font) {
- /* to mark a font shift, write a 255 byte followed by
- the 4 bytes of font ID, big-end first */
- register unsigned char *f;
- BufAlloc (unsigned char *, f, 5);
-
- f[0] = 255;
- f[1] = (item->font & 0xff000000) >> 24;
- f[2] = (item->font & 0x00ff0000) >> 16;
- f[3] = (item->font & 0x0000ff00) >> 8;
- f[4] = item->font & 0x000000ff;
-
- /* update GC shadow */
- gc->values.font = item->font;
- }
-
- {
- int nbytes = SIZEOF(xTextElt);
- int PartialNChars = item->nchars;
- int PartialDelta = item->delta;
- register xTextElt *elt = NULL;
- int FirstTimeThrough = True;
- XChar2b *CharacterOffset = item->chars;
-
- while((PartialDelta < -128) || (PartialDelta > 127))
- {
- int nb = SIZEOF(xTextElt);
-
- BufAlloc (xTextElt *, elt, nb);
- elt->len = 0;
- if (PartialDelta > 0 )
- {
- elt->delta = 127;
- PartialDelta = PartialDelta - 127;
- }
- else
- {
- elt->delta = -128;
- PartialDelta = PartialDelta + 128;
- }
- }
- if (PartialDelta)
- {
- BufAlloc (xTextElt *, elt, nbytes);
- elt->len = 0;
- elt->delta = PartialDelta;
- }
- while(PartialNChars > 254)
- {
- nbytes = 254 * 2;
- if (FirstTimeThrough)
- {
- FirstTimeThrough = False;
- if (!item->delta)
- {
- nbytes += SIZEOF(xTextElt);
- BufAlloc (xTextElt *, elt, nbytes);
- elt->delta = 0;
- }
- else
- {
- char *DummyChar;
- BufAlloc(char *, DummyChar, nbytes);
-#ifdef lint
- DummyChar = DummyChar;
-#endif
- }
- }
- else
- {
- nbytes += 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 + 1), (char *)CharacterOffset, 254 * 2);
-#endif
- PartialNChars = PartialNChars - 254;
- CharacterOffset += 254;
-
- }
- if (PartialNChars)
- {
- nbytes = PartialNChars * 2;
- if (FirstTimeThrough)
- {
- FirstTimeThrough = False;
- if (!item->delta)
- {
- nbytes += SIZEOF(xTextElt);
- BufAlloc (xTextElt *, elt, nbytes);
- elt->delta = 0;
- }
- else
- {
- char *DummyChar;
- BufAlloc(char *, DummyChar, nbytes);
-#ifdef lint
- DummyChar = DummyChar;
-#endif
- }
- }
- else
- {
- nbytes += 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 + 1), (char *)CharacterOffset,
- PartialNChars *
-2);
-#endif
- }
- }
- item++;
- }
-
- /* Pad request out to a 32-bit boundary */
-
- if (length &= 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 - length;
- 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 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"
+
+int
+XDrawText16(
+ register Display *dpy,
+ Drawable d,
+ GC gc,
+ int x,
+ int y,
+ XTextItem16 *items,
+ int nitems)
+{
+ register int i;
+ register XTextItem16 *item;
+ int length = 0;
+ register xPolyText16Req *req;
+
+ LockDisplay(dpy);
+ FlushGC(dpy, gc);
+ GetReq (PolyText16, req);
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->x = x;
+ req->y = y;
+
+ item = items;
+ for (i=0; i < nitems; i++) {
+ if (item->font)
+ length += 5; /* a 255 byte, plus size of Font id */
+ if (item->delta)
+ {
+ if (item->delta > 0)
+ {
+ length += SIZEOF(xTextElt) * ((item->delta + 126) / 127);
+ }
+ else
+ {
+ length += SIZEOF(xTextElt) * ((-item->delta + 127) / 128);
+ }
+ }
+ if (item->nchars > 0)
+ {
+ length += SIZEOF(xTextElt) * ((item->nchars + 253) / 254 - 1);
+ if (!item->delta) length += SIZEOF(xTextElt);
+ length += item->nchars << 1;
+ }
+ item++;
+ }
+
+ req->length += (length + 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 + length > dpy->bufmax)
+ _XFlush (dpy);
+
+ item = items;
+ for (i=0; i< nitems; i++) {
+
+ if (item->font) {
+ /* to mark a font shift, write a 255 byte followed by
+ the 4 bytes of font ID, big-end first */
+ register unsigned char *f;
+ BufAlloc (unsigned char *, f, 5);
+
+ f[0] = 255;
+ f[1] = (item->font & 0xff000000) >> 24;
+ f[2] = (item->font & 0x00ff0000) >> 16;
+ f[3] = (item->font & 0x0000ff00) >> 8;
+ f[4] = item->font & 0x000000ff;
+
+ /* update GC shadow */
+ gc->values.font = item->font;
+ }
+
+ {
+ int nbytes = SIZEOF(xTextElt);
+ int PartialNChars = item->nchars;
+ int PartialDelta = item->delta;
+ register xTextElt *elt = NULL;
+ int FirstTimeThrough = True;
+ XChar2b *CharacterOffset = item->chars;
+
+ while((PartialDelta < -128) || (PartialDelta > 127))
+ {
+ int nb = SIZEOF(xTextElt);
+
+ BufAlloc (xTextElt *, elt, nb);
+ elt->len = 0;
+ if (PartialDelta > 0 )
+ {
+ elt->delta = 127;
+ PartialDelta = PartialDelta - 127;
+ }
+ else
+ {
+ elt->delta = -128;
+ PartialDelta = PartialDelta + 128;
+ }
+ }
+ if (PartialDelta)
+ {
+ BufAlloc (xTextElt *, elt, nbytes);
+ elt->len = 0;
+ elt->delta = PartialDelta;
+ }
+ while(PartialNChars > 254)
+ {
+ nbytes = 254 * 2;
+ if (FirstTimeThrough)
+ {
+ FirstTimeThrough = False;
+ if (!item->delta)
+ {
+ nbytes += SIZEOF(xTextElt);
+ BufAlloc (xTextElt *, elt, nbytes);
+ elt->delta = 0;
+ }
+ else
+ {
+ char *DummyChar;
+ BufAlloc(char *, DummyChar, nbytes);
+#ifdef lint
+ DummyChar = DummyChar;
+#endif
+ }
+ }
+ else
+ {
+ nbytes += 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 + 1), (char *)CharacterOffset, 254 * 2);
+#endif
+ PartialNChars = PartialNChars - 254;
+ CharacterOffset += 254;
+
+ }
+ if (PartialNChars)
+ {
+ nbytes = PartialNChars * 2;
+ if (FirstTimeThrough)
+ {
+ FirstTimeThrough = False;
+ if (!item->delta)
+ {
+ nbytes += SIZEOF(xTextElt);
+ BufAlloc (xTextElt *, elt, nbytes);
+ elt->delta = 0;
+ }
+ else
+ {
+ char *DummyChar;
+ BufAlloc(char *, DummyChar, nbytes);
+#ifdef lint
+ DummyChar = DummyChar;
+#endif
+ }
+ }
+ else
+ {
+ nbytes += 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 + 1), (char *)CharacterOffset,
+ PartialNChars *
+2);
+#endif
+ }
+ }
+ item++;
+ }
+
+ /* Pad request out to a 32-bit boundary */
+
+ if (length &= 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 - length;
+ 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 1;
+ }
+
+
+
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