Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 1169 insertions, 0 deletions

diff --git a/nx-X11/lib/Xrender/Glyph.c b/nx-X11/lib/Xrender/Glyph.c
new file mode 100644
index 000000000..e25805f5c
--- /dev/null
+++ b/nx-X11/lib/Xrender/Glyph.c
@@ -0,0 +1,1169 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * 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, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  SuSE makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * 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:  Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+/* 
+ * NX_RENDER_CLEANUP enables cleaning of padding bytes
+ */
+
+#define NX_RENDER_CLEANUP
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+#undef  DUMP
+
+#ifdef NX_RENDER_CLEANUP
+
+#include <stdio.h>
+
+#define ROUNDUP(nbits, pad) ((((nbits) + ((pad)-1)) / (pad)) * ((pad)>>3))
+
+#endif /* NX_RENDER_CLEANUP */
+
+GlyphSet
+XRenderCreateGlyphSet (Display *dpy, _Xconst XRenderPictFormat *format)
+{
+    XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
+    GlyphSet			gsid;
+    xRenderCreateGlyphSetReq	*req;
+
+    RenderCheckExtension (dpy, info, 0);
+    LockDisplay(dpy);
+    GetReq(RenderCreateGlyphSet, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderCreateGlyphSet;
+    req->gsid = gsid = XAllocID(dpy);
+    req->format = format->id;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return gsid;
+}
+
+GlyphSet
+XRenderReferenceGlyphSet (Display *dpy, GlyphSet existing)
+{
+    XRenderExtDisplayInfo             *info = XRenderFindDisplay (dpy);
+    GlyphSet                    gsid;
+    xRenderReferenceGlyphSetReq	*req;
+
+    RenderCheckExtension (dpy, info, 0);
+    LockDisplay(dpy);
+    GetReq(RenderReferenceGlyphSet, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderReferenceGlyphSet;
+    req->gsid = gsid = XAllocID(dpy);
+    req->existing = existing;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return gsid;
+}
+
+void
+XRenderFreeGlyphSet (Display *dpy, GlyphSet glyphset)
+{
+    XRenderExtDisplayInfo         *info = XRenderFindDisplay (dpy);
+    xRenderFreeGlyphSetReq  *req;
+
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+    GetReq(RenderFreeGlyphSet, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderFreeGlyphSet;
+    req->glyphset = glyphset;
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+#ifdef NX_RENDER_CLEANUP
+
+void
+XRenderCleanGlyphs(xGlyphInfo  *gi,
+                        int         nglyphs,
+                        CARD8       *images,
+                        int         depth,
+                        Display     *dpy)
+{
+
+  int widthInBits;
+  int bytesPerLine;
+  int bytesToClean;
+  int bitsToClean;
+  int widthInBytes;
+  int height = gi -> height;
+  register int i;
+  int j;
+
+  #ifdef DEBUG
+  fprintf(stderr, "nxagentCleanGlyphs: Found a Glyph with Depth %d, width %d, pad %d.\n",
+          depth, gi -> width, dpy -> bitmap_pad);
+  #endif
+
+  while (nglyphs > 0)
+  {
+    if (depth == 24)
+    {
+      widthInBits = gi -> width * 32;
+
+      bytesPerLine = ROUNDUP(widthInBits, dpy -> bitmap_pad);
+
+      bytesToClean = bytesPerLine * height;
+
+      #ifdef DUBUG
+      fprintf(stderr, "nxagentCleanGlyphs: Found glyph with depth 24, bytes to clean is %d"
+              "width in bits is %d bytes per line [%d] height [%d].\n", bytesToClean,
+                      widthInBits, bytesPerLine, height);
+      #endif
+
+      if (dpy -> byte_order == LSBFirst)
+      {
+        for (i = 3; i < bytesToClean; i += 4)
+        {
+          images[i] = 0x00;
+        }
+      }
+      else
+      {
+        for (i = 0; i < bytesToClean; i += 4)
+        {
+          images[i] = 0x00;
+        }
+      }
+
+      #ifdef DUMP
+      fprintf(stderr, "nxagentCleanGlyphs: depth %d, bytesToClean %d, scanline: ", depth, bytesToClean);
+      for (i = 0; i < bytesPerLine; i++)
+      {
+        fprintf(stderr, "[%d]", images[i]);
+      }
+      fprintf(stderr,"\n");
+      #endif
+
+      images += bytesToClean;
+
+      gi++;
+
+      nglyphs--;
+    }
+    else if (depth == 1)
+    {
+      widthInBits = gi -> width;
+
+      bytesPerLine = ROUNDUP(widthInBits, dpy -> bitmap_pad);
+
+      bitsToClean = (bytesPerLine << 3) - (gi -> width);
+
+      #ifdef DEBUG
+      fprintf(stderr, "nxagentCleanGlyphs: Found glyph with depth 1, width [%d], height [%d], bitsToClean [%d]," 
+              " bytesPerLine [%d].\n", gi -> width, height, bitsToClean, bytesPerLine);
+      #endif
+
+      bytesToClean = bitsToClean >> 3;
+
+      bitsToClean &= 7;
+
+      #ifdef DEBUG
+      fprintf(stderr, "nxagentCleanGlyphs: bitsToClean &=7 is %d, bytesToCLean is %d."
+              " byte_order is %d, bitmap_bit_order is %d.\n", bitsToClean, bytesToClean,
+              dpy -> byte_order, dpy -> bitmap_bit_order);
+      #endif
+
+      for (i = 1; i <= height; i++)
+      {
+        if (dpy -> byte_order == dpy -> bitmap_bit_order)
+        {
+          for (j = 1; j <= bytesToClean; j++)
+          {
+            images[i * bytesPerLine - j] = 0x00;
+
+            #ifdef DEBUG
+            fprintf(stderr, "nxagentCleanGlyphs: byte_order = bitmap_bit_orde, cleaning %d, i=%d, j=%d.\n"
+                    , (i * bytesPerLine - j), i, j);
+            #endif
+
+          }
+        }
+        else
+        {
+          for (j = bytesToClean; j >= 1; j--)
+          {
+            images[i * bytesPerLine - j] = 0x00;
+
+            #ifdef DEBUG
+            fprintf(stderr, "nxagentCleanGlyphs: byte_order %d, bitmap_bit_order %d, cleaning %d, i=%d, j=%d.\n"
+                    , dpy -> byte_order, dpy -> bitmap_bit_order, (i * bytesPerLine - j), i, j);
+            #endif
+
+          }
+        }
+
+        if (dpy -> bitmap_bit_order == MSBFirst)
+        {
+          images[i * bytesPerLine - j] &= 0xff << bitsToClean;
+
+          #ifdef DEBUG
+          fprintf(stderr, "nxagentCleanGlyphs: byte_order MSBFirst, cleaning %d, i=%d, j=%d.\n"
+                  , (i * bytesPerLine - j), i, j);
+          #endif
+        }
+        else
+        {
+          images[i * bytesPerLine - j] &= 0xff >> bitsToClean;
+
+          #ifdef DEBUG
+          fprintf(stderr, "nxagentCleanGlyphs: byte_order LSBFirst, cleaning %d, i=%d, j=%d.\n"
+                  , (i * bytesPerLine - j), i, j);
+          #endif
+        }
+      }
+  
+      #ifdef DUMP
+      fprintf(stderr, "nxagentCleanGlyphs: depth %d, bytesToClean %d, scanline: ", depth, bytesToClean);
+      for (i = 0; i < bytesPerLine; i++)
+      {
+        fprintf(stderr, "[%d]", images[i]);
+      }
+      fprintf(stderr,"\n");
+      #endif
+
+      images += bytesPerLine * height;
+
+      gi++;
+
+      nglyphs--;
+    }
+    else if ((depth == 8) || (depth == 16) )
+    {
+      widthInBits = gi -> width * depth;
+
+      bytesPerLine = ROUNDUP(widthInBits, dpy -> bitmap_pad);
+
+      widthInBytes = (widthInBits >> 3);
+
+      bytesToClean = bytesPerLine - widthInBytes;
+
+      #ifdef DEBUG
+      fprintf(stderr, "nxagentCleanGlyphs: nglyphs is %d, width of glyph in bits is %d, in bytes is %d.\n",
+              nglyphs, widthInBits, widthInBytes);
+
+      fprintf(stderr, "nxagentCleanGlyphs: bytesPerLine is %d bytes, there are %d scanlines.\n", bytesPerLine, height);
+
+      fprintf(stderr, "nxagentCleanGlyphs: Bytes to clean for each scanline are %d.\n", bytesToClean);
+      #endif
+
+      if (bytesToClean > 0)
+      {
+        while (height > 0)
+        {
+          i = bytesToClean;
+
+          while (i > 0)
+          {
+            *(images + (bytesPerLine - i)) = 0;
+
+            #ifdef DEBUG
+            fprintf(stderr, "nxagentCleanGlyphs: cleaned a byte.\n");
+            #endif
+
+            i--;
+          }
+
+          #ifdef DUMP
+          fprintf(stderr, "nxagentCleanGlyphs: depth %d, bytesToClean %d, scanline: ", depth, bytesToClean);
+          for (i = 0; i < bytesPerLine; i++)
+          {
+            fprintf(stderr, "[%d]", images[i]);
+          }
+          fprintf(stderr,"\n");
+          #endif
+
+          images += bytesPerLine;
+
+          height--;
+        }
+      }
+
+      gi++;
+
+      nglyphs--;
+
+      #ifdef DEBUG
+      fprintf(stderr, "nxagentCleanGlyphs: Breaking Out.\n");
+      #endif
+    }
+    else if (depth == 32)
+    {
+      #ifdef DEBUG
+      fprintf(stderr, "nxagentCleanGlyphs: Found glyph with depth 32.\n");
+      #endif
+
+      gi++;
+
+      nglyphs--;
+    }
+    else
+    {
+      #ifdef WARNING
+      fprintf(stderr, "nxagentCleanGlyphs: Unrecognized glyph, depth is not 8/16/24/32, it appears to be %d.\n",
+              depth);
+      #endif
+
+      gi++;
+
+      nglyphs--;
+    }
+  }
+}
+
+#endif /* #ifdef NX_RENDER_CLEANUP */
+
+void
+XRenderAddGlyphs (Display	*dpy,
+		  GlyphSet	glyphset,
+		  _Xconst Glyph		*gids,
+		  _Xconst XGlyphInfo	*glyphs,
+		  int		nglyphs,
+		  _Xconst char		*images,
+		  int		nbyte_images)
+{
+    XRenderExtDisplayInfo         *info = XRenderFindDisplay (dpy);
+    xRenderAddGlyphsReq	    *req;
+    long		    len;
+
+    if (nbyte_images & 3)
+	nbyte_images += 4 - (nbyte_images & 3);
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+    GetReq(RenderAddGlyphs, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderAddGlyphs;
+    req->glyphset = glyphset;
+    req->nglyphs = nglyphs;
+    len = (nglyphs * (SIZEOF (xGlyphInfo) + 4) + nbyte_images) >> 2;
+    SetReqLen(req, len, len);
+    Data32 (dpy, (long *) gids, nglyphs * 4);
+    Data16 (dpy, (short *) glyphs, nglyphs * SIZEOF (xGlyphInfo));
+    Data (dpy, images, nbyte_images);
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+void
+XRenderFreeGlyphs (Display   *dpy,
+		   GlyphSet  glyphset,
+		   _Xconst Glyph     *gids,
+		   int       nglyphs)
+{
+    XRenderExtDisplayInfo         *info = XRenderFindDisplay (dpy);
+    xRenderFreeGlyphsReq    *req;
+    long                    len;
+
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+    GetReq(RenderFreeGlyphs, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderFreeGlyphs;
+    req->glyphset = glyphset;
+    len = nglyphs;
+    SetReqLen(req, len, len);
+    len <<= 2;
+    Data32 (dpy, (long *) gids, len);
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+	   
+void
+XRenderCompositeString8 (Display	    *dpy,
+			 int		    op,
+			 Picture	    src,
+			 Picture	    dst,
+			 _Xconst XRenderPictFormat  *maskFormat,
+			 GlyphSet	    glyphset,
+			 int		    xSrc,
+			 int		    ySrc,
+			 int		    xDst,
+			 int		    yDst,
+			 _Xconst char	    *string,
+			 int		    nchar)
+{
+    XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
+    xRenderCompositeGlyphs8Req	*req;
+    long			len;
+    xGlyphElt			*elt;
+    int				nbytes;
+
+    if (!nchar)
+	return;
+    
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+
+    GetReq(RenderCompositeGlyphs8, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderCompositeGlyphs8;
+    req->op = op;
+    req->src = src;
+    req->dst = dst;
+    req->maskFormat = maskFormat ? maskFormat->id : None;
+    req->glyphset = glyphset;
+    req->xSrc = xSrc;
+    req->ySrc = ySrc;    
+
+    /*
+     * xGlyphElt must be aligned on a 32-bit boundary; this is
+     * easily done by filling no more than 252 glyphs in each
+     * bucket
+     */
+    
+#define MAX_8 252
+
+    len = SIZEOF(xGlyphElt) * ((nchar + MAX_8-1) / MAX_8) + nchar;
+    
+    req->length += (len + 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 (dpy->bufptr + len > dpy->bufmax)
+    	_XFlush (dpy);
+
+    while(nchar > MAX_8)
+    {
+	nbytes = MAX_8 + SIZEOF(xGlyphElt);
+	BufAlloc (xGlyphElt *, elt, nbytes);
+	elt->len = MAX_8;
+	elt->deltax = xDst;
+	elt->deltay = yDst;
+	xDst = 0;
+	yDst = 0;
+	memcpy ((char *) (elt + 1), string, MAX_8);
+	nchar = nchar - MAX_8;
+	string += MAX_8;
+    }
+	
+    if (nchar)
+    {
+	nbytes = (nchar + SIZEOF(xGlyphElt) + 3) & ~3;
+	BufAlloc (xGlyphElt *, elt, nbytes); 
+	elt->len = nchar;
+	elt->deltax = xDst;
+	elt->deltay = yDst;
+	memcpy ((char *) (elt + 1), string, nchar);
+    }
+#undef MAX_8
+    
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+void
+XRenderCompositeString16 (Display	    *dpy,
+			  int		    op,
+			  Picture	    src,
+			  Picture	    dst,
+			  _Xconst XRenderPictFormat *maskFormat,
+			  GlyphSet	    glyphset,
+			  int		    xSrc,
+			  int		    ySrc,
+			  int		    xDst,
+			  int		    yDst,
+			  _Xconst unsigned short    *string,
+			  int		    nchar)
+{
+    XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
+    xRenderCompositeGlyphs8Req	*req;
+    long			len;
+    xGlyphElt			*elt;
+    int				nbytes;
+
+    if (!nchar)
+	return;
+    
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+    
+    GetReq(RenderCompositeGlyphs16, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderCompositeGlyphs16;
+    req->op = op;
+    req->src = src;
+    req->dst = dst;
+    req->maskFormat = maskFormat ? maskFormat->id : None;
+    req->glyphset = glyphset;
+    req->xSrc = xSrc;
+    req->ySrc = ySrc;    
+
+#define MAX_16	254
+
+    len = SIZEOF(xGlyphElt) * ((nchar + MAX_16-1) / MAX_16) + nchar * 2;
+    
+    req->length += (len + 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 (dpy->bufptr + len > dpy->bufmax)
+    	_XFlush (dpy);
+
+    while(nchar > MAX_16)
+    {
+	nbytes = MAX_16 * 2 + SIZEOF(xGlyphElt);
+	BufAlloc (xGlyphElt *, elt, nbytes);
+	elt->len = MAX_16;
+	elt->deltax = xDst;
+	elt->deltay = yDst;
+	xDst = 0;
+	yDst = 0;
+	memcpy ((char *) (elt + 1), (char *) string, MAX_16 * 2);
+	nchar = nchar - MAX_16;
+	string += MAX_16;
+    }
+	
+    if (nchar)
+    {
+	nbytes = (nchar * 2 + SIZEOF(xGlyphElt) + 3) & ~3;
+	BufAlloc (xGlyphElt *, elt, nbytes); 
+	elt->len = nchar;
+	elt->deltax = xDst;
+	elt->deltay = yDst;
+	memcpy ((char *) (elt + 1), (char *) string, nchar * 2);
+    }
+#undef MAX_16
+    
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+void
+XRenderCompositeString32 (Display	    *dpy,
+			  int		    op,
+			  Picture	    src,
+			  Picture	    dst,
+			  _Xconst XRenderPictFormat  *maskFormat,
+			  GlyphSet	    glyphset,
+			  int		    xSrc,
+			  int		    ySrc,
+			  int		    xDst,
+			  int		    yDst,
+			  _Xconst unsigned int	    *string,
+			  int		    nchar)
+{
+    XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
+    xRenderCompositeGlyphs8Req	*req;
+    long			len;
+    xGlyphElt			*elt;
+    int				nbytes;
+
+    if (!nchar)
+	return;
+    
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+    
+    GetReq(RenderCompositeGlyphs32, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderCompositeGlyphs32;
+    req->op = op;
+    req->src = src;
+    req->dst = dst;
+    req->maskFormat = maskFormat ? maskFormat->id : None;
+    req->glyphset = glyphset;
+    req->xSrc = xSrc;
+    req->ySrc = ySrc;    
+
+#define MAX_32	254
+
+    len = SIZEOF(xGlyphElt) * ((nchar + MAX_32-1) / MAX_32) + nchar * 4;
+    
+    req->length += (len + 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 (dpy->bufptr + len > dpy->bufmax)
+    	_XFlush (dpy);
+
+    while(nchar > MAX_32)
+    {
+	nbytes = MAX_32 * 4 + SIZEOF(xGlyphElt);
+	BufAlloc (xGlyphElt *, elt, nbytes);
+	elt->len = MAX_32;
+	elt->deltax = xDst;
+	elt->deltay = yDst;
+	xDst = 0;
+	yDst = 0;
+	memcpy ((char *) (elt + 1), (char *) string, MAX_32 * 4);
+	nchar = nchar - MAX_32;
+	string += MAX_32;
+    }
+	
+    if (nchar)
+    {
+	nbytes = nchar * 4 + SIZEOF(xGlyphElt);
+	BufAlloc (xGlyphElt *, elt, nbytes); 
+	elt->len = nchar;
+	elt->deltax = xDst;
+	elt->deltay = yDst;
+	memcpy ((char *) (elt + 1), (char *) string, nchar * 4);
+    }
+#undef MAX_32
+    
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+void
+XRenderCompositeText8 (Display			    *dpy,
+		       int			    op,
+		       Picture			    src,
+		       Picture			    dst,
+		       _Xconst XRenderPictFormat    *maskFormat,
+		       int			    xSrc,
+		       int			    ySrc,
+		       int			    xDst,
+		       int			    yDst,
+		       _Xconst XGlyphElt8	    *elts,
+		       int			    nelt)
+{
+    XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
+    xRenderCompositeGlyphs8Req	*req;
+    GlyphSet			glyphset;
+    long			len;
+    long			elen;
+    xGlyphElt			*elt;
+    int				i;
+    _Xconst char		*chars;
+    int				nchars;
+
+    #ifdef NX_RENDER_CLEANUP
+
+    char 			tmpChar[4];
+    int				bytes_to_clean;
+    int				bytes_to_write;
+
+    #endif /* NX_RENDER_CLEANUP */
+
+    if (!nelt)
+	return;
+    
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+
+    GetReq(RenderCompositeGlyphs8, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderCompositeGlyphs8;
+    req->op = op;
+    req->src = src;
+    req->dst = dst;
+    req->maskFormat = maskFormat ? maskFormat->id : None;
+    req->glyphset = elts[0].glyphset;
+    req->xSrc = xSrc;
+    req->ySrc = ySrc;    
+
+    /*
+     * Compute the space necessary
+     */
+    len = 0;
+    
+#define MAX_8 252
+
+    glyphset = elts[0].glyphset;
+    for (i = 0; i < nelt; i++)
+    {
+	/*
+	 * Check for glyphset change
+	 */
+	if (elts[i].glyphset != glyphset)
+	{
+	    glyphset = elts[i].glyphset;
+	    len += (SIZEOF (xGlyphElt) + 4) >> 2;
+	}
+	nchars = elts[i].nchars;
+	/*
+	 * xGlyphElt must be aligned on a 32-bit boundary; this is
+	 * easily done by filling no more than 252 glyphs in each
+	 * bucket
+	 */
+	elen = SIZEOF(xGlyphElt) * ((nchars + MAX_8-1) / MAX_8) + nchars;
+	len += (elen + 3) >> 2;
+    }
+    
+    req->length += len;
+
+    /*
+     * Send the glyphs
+     */
+    glyphset = elts[0].glyphset;
+    for (i = 0; i < nelt; i++)
+    {
+	/*
+	 * Switch glyphsets
+	 */
+	if (elts[i].glyphset != glyphset)
+	{
+	    glyphset = elts[i].glyphset;
+	    BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt));
+
+	    #ifdef NX_RENDER_CLEANUP
+
+	    elt->pad1 = 0;
+	    elt->pad2 = 0;
+
+	    #endif /* NX_RENDER_CLEANUP */
+
+	    elt->len = 0xff;
+	    elt->deltax = 0;
+	    elt->deltay = 0;
+	    Data32(dpy, &glyphset, 4);
+	}
+	nchars = elts[i].nchars;
+	xDst = elts[i].xOff;
+	yDst = elts[i].yOff;
+	chars = elts[i].chars;
+	while (nchars)
+	{
+	    int this_chars = nchars > MAX_8 ? MAX_8 : nchars;
+
+	    BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt))
+
+	    #ifdef NX_RENDER_CLEANUP
+
+	    elt->pad1 = 0;
+	    elt->pad2 = 0;
+
+	    #endif /* NX_RENDER_CLEANUP */
+
+	    elt->len = this_chars;
+	    elt->deltax = xDst;
+	    elt->deltay = yDst;
+	    xDst = 0;
+	    yDst = 0;
+
+            #ifdef NX_RENDER_CLEANUP
+
+            bytes_to_write = this_chars & ~3;
+
+            bytes_to_clean = ((this_chars + 3) & ~3) - this_chars;
+
+            #ifdef DEBUG
+            fprintf(stderr, "XRenderCompositeText8: bytes_to_write %d, bytes_to_clean are %d,"
+                        " this_chars %d.\n", bytes_to_write, bytes_to_clean, this_chars);
+            #endif
+
+            if (bytes_to_clean > 0)
+            {
+              if (bytes_to_write > 0)
+               {
+                #ifdef DEBUG
+                fprintf(stderr, "XRenderCompositeText8: found %d clean bytes, bytes_to_clean are %d,"
+                        " this_chars %d.\n", bytes_to_write, bytes_to_clean, this_chars);
+                #endif
+
+                Data (dpy, chars, bytes_to_write);
+                chars += bytes_to_write;
+              }
+
+              bytes_to_write = this_chars % 4;
+              memcpy (tmpChar, chars, bytes_to_write);
+              chars += bytes_to_write;
+
+              #ifdef DEBUG
+              fprintf(stderr, "XRenderCompositeText8: last 32 bit, bytes_to_write are %d,"
+                      " bytes_to_clean are %d, this_chars are %d.\n", bytes_to_write, bytes_to_clean, this_chars);
+              #endif
+
+              #ifdef DUMP
+              fprintf(stderr, "XRenderCompositeText8: bytes_to_clean %d, ", bytes_to_clean);
+              #endif
+
+              while (bytes_to_clean > 0)
+              {
+                tmpChar[4 - bytes_to_clean] = 0;
+                bytes_to_clean--;
+
+                #ifdef DEBUG
+                fprintf(stderr, "XRenderCompositeText8: Cleaned %d byte.\n", 4 - bytes_to_clean);
+                #endif
+              }
+
+              Data (dpy, tmpChar, 4);
+              nchars -= this_chars;
+
+              #ifdef DUMP
+              fprintf(stderr, "Data: ");
+              for (i = 0; i < 4; i++)
+              {
+                fprintf(stderr, "[%d]", tmpChar[i]);
+              }
+              fprintf(stderr,"\n");
+              #endif
+
+              #ifdef DEBUG
+              fprintf(stderr, "XRenderCompositeText8: nchars now is %d.\n", nchars);
+              #endif
+
+              continue;
+            }
+
+            #endif /* NX_RENDER_CLEANUP */
+
+	    Data (dpy, chars, this_chars);
+	    nchars -= this_chars;
+	    chars += this_chars;
+	}
+    }
+#undef MAX_8
+    
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+void
+XRenderCompositeText16 (Display			    *dpy,
+			int			    op,
+			Picture			    src,
+			Picture			    dst,
+			_Xconst XRenderPictFormat   *maskFormat,
+			int			    xSrc,
+			int			    ySrc,
+			int			    xDst,
+			int			    yDst,
+			_Xconst XGlyphElt16	    *elts,
+			int			    nelt)
+{
+    XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
+    xRenderCompositeGlyphs16Req	*req;
+    GlyphSet			glyphset;
+    long			len;
+    long			elen;
+    xGlyphElt			*elt;
+    int				i;
+    _Xconst unsigned short    	*chars;
+    int				nchars;
+
+    #ifdef NX_RENDER_CLEANUP
+
+    int				bytes_to_write;
+    int				bytes_to_clean;
+    char			tmpChar[4];
+
+    #endif /* NX_RENDER_CLEANUP */
+
+    if (!nelt)
+	return;
+    
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+
+    GetReq(RenderCompositeGlyphs16, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderCompositeGlyphs16;
+    req->op = op;
+    req->src = src;
+    req->dst = dst;
+    req->maskFormat = maskFormat ? maskFormat->id : None;
+    req->glyphset = elts[0].glyphset;
+    req->xSrc = xSrc;
+    req->ySrc = ySrc;    
+
+    /*
+     * Compute the space necessary
+     */
+    len = 0;
+    
+#define MAX_16	254
+
+    glyphset = elts[0].glyphset;
+    for (i = 0; i < nelt; i++)
+    {
+	/*
+	 * Check for glyphset change
+	 */
+	if (elts[i].glyphset != glyphset)
+	{
+	    glyphset = elts[i].glyphset;
+	    len += (SIZEOF (xGlyphElt) + 4) >> 2;
+	}
+	nchars = elts[i].nchars;
+	/*
+	 * xGlyphElt must be aligned on a 32-bit boundary; this is
+	 * easily done by filling no more than 254 glyphs in each
+	 * bucket
+	 */
+	elen = SIZEOF(xGlyphElt) * ((nchars + MAX_16-1) / MAX_16) + nchars * 2;
+	len += (elen + 3) >> 2;
+    }
+    
+    req->length += len;
+
+    glyphset = elts[0].glyphset;
+    for (i = 0; i < nelt; i++)
+    {
+	/*
+	 * Switch glyphsets
+	 */
+	if (elts[i].glyphset != glyphset)
+	{
+	    glyphset = elts[i].glyphset;
+	    BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt));
+
+	    #ifdef NX_RENDER_CLEANUP
+
+	    elt->pad1 = 0;
+	    elt->pad2 = 0;
+
+	    #endif /* NX_RENDER_CLEANUP */
+
+	    elt->len = 0xff;
+	    elt->deltax = 0;
+	    elt->deltay = 0;
+	    Data32(dpy, &glyphset, 4);
+	}
+	nchars = elts[i].nchars;
+	xDst = elts[i].xOff;
+	yDst = elts[i].yOff;
+	chars = elts[i].chars;
+	while (nchars)
+	{
+	    int this_chars = nchars > MAX_16 ? MAX_16 : nchars;
+	    int this_bytes = this_chars * 2;
+
+	    BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt))
+
+	    #ifdef NX_RENDER_CLEANUP
+
+	    elt->pad1 = 0;
+	    elt->pad2 = 0;
+
+	    #endif /* NX_RENDER_CLEANUP */
+
+	    elt->len = this_chars;
+	    elt->deltax = xDst;
+	    elt->deltay = yDst;
+	    xDst = 0;
+	    yDst = 0;
+	    
+            #ifdef NX_RENDER_CLEANUP
+
+            bytes_to_write = this_bytes & ~3;
+            bytes_to_clean = ((this_bytes + 3) & ~3) - this_bytes;
+
+            #ifdef DEBUG
+            fprintf(stderr, "XRenderCompositeText16: this_chars %d, this_bytes %d.\n"
+                    "bytes_to_write %d, bytes_to_clean are %d.\n", this_chars, this_bytes,
+                    bytes_to_write, bytes_to_clean);
+            #endif
+
+            if (bytes_to_clean > 0)
+            {
+              if (bytes_to_write > 0)
+              {
+                Data16 (dpy, chars, bytes_to_write);
+
+                /*
+                 * Cast chars to avoid errors with pointer arithmetic.
+                 */
+
+                chars = (unsigned short *) ((char *) chars + bytes_to_write);
+              }
+
+              bytes_to_write = this_bytes % 4;
+              memcpy (tmpChar, (char *) chars, bytes_to_write);
+              chars = (unsigned short *) ((char *) chars + bytes_to_write);
+
+              #ifdef DEBUG
+              fprintf(stderr, "XRenderCompositeText16: last 32 bit, bytes_to_write are %d,"
+                      " bytes_to_clean are %d.\n", bytes_to_write, bytes_to_clean);
+              #endif
+
+              while (bytes_to_clean > 0)
+              {
+                tmpChar[4 - bytes_to_clean] = 0;
+                bytes_to_clean--;
+
+                #ifdef DEBUG
+                fprintf(stderr, "XRenderCompositeText16: Cleaned %d byte.\n", 4 - bytes_to_clean);
+                #endif
+              }
+
+              Data16 (dpy, tmpChar, 4);
+              nchars -= this_chars;
+
+              #ifdef DEBUG
+              fprintf(stderr, "XRenderCompositeText16: nchars now is %d.\n", nchars);
+              #endif
+
+              continue;
+            }
+
+            #endif /* NX_RENDER_CLEANUP */
+
+	    Data16 (dpy, chars, this_bytes);
+	    nchars -= this_chars;
+	    chars += this_chars;
+	}
+    }
+#undef MAX_16
+    
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+void
+XRenderCompositeText32 (Display			    *dpy,
+			int			    op,
+			Picture			    src,
+			Picture			    dst,
+			_Xconst XRenderPictFormat   *maskFormat,
+			int			    xSrc,
+			int			    ySrc,
+			int			    xDst,
+			int			    yDst,
+			_Xconst XGlyphElt32	    *elts,
+			int			    nelt)
+{
+    XRenderExtDisplayInfo		*info = XRenderFindDisplay (dpy);
+    xRenderCompositeGlyphs32Req	*req;
+    GlyphSet			glyphset;
+    long			len;
+    long			elen;
+    xGlyphElt			*elt;
+    int				i;
+    _Xconst unsigned int    	*chars;
+    int				nchars;
+
+    if (!nelt)
+	return;
+    
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+
+    
+    GetReq(RenderCompositeGlyphs32, req);
+    req->reqType = info->codes->major_opcode;
+    req->renderReqType = X_RenderCompositeGlyphs32;
+    req->op = op;
+    req->src = src;
+    req->dst = dst;
+    req->maskFormat = maskFormat ? maskFormat->id : None;
+    req->glyphset = elts[0].glyphset;
+    req->xSrc = xSrc;
+    req->ySrc = ySrc;    
+
+    /*
+     * Compute the space necessary
+     */
+    len = 0;
+
+#define MAX_32	254
+    
+    glyphset = elts[0].glyphset;
+    for (i = 0; i < nelt; i++)
+    {
+	/*
+	 * Check for glyphset change
+	 */
+	if (elts[i].glyphset != glyphset)
+	{
+	    glyphset = elts[i].glyphset;
+	    len += (SIZEOF (xGlyphElt) + 4) >> 2;
+	}
+	nchars = elts[i].nchars;
+	elen = SIZEOF(xGlyphElt) * ((nchars + MAX_32) / MAX_32) + nchars *4;
+	len += (elen + 3) >> 2;
+    }
+    
+    req->length += len;
+
+    glyphset = elts[0].glyphset;
+    for (i = 0; i < nelt; i++)
+    {
+	/*
+	 * Switch glyphsets
+	 */
+	if (elts[i].glyphset != glyphset)
+	{
+	    glyphset = elts[i].glyphset;
+	    BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt));
+
+	    #ifdef NX_RENDER_CLEANUP
+
+	    elt->pad1 = 0;
+	    elt->pad2 = 0;
+
+	    #endif /* NX_RENDER_CLEANUP */
+
+	    elt->len = 0xff;
+	    elt->deltax = 0;
+	    elt->deltay = 0;
+	    Data32(dpy, &glyphset, 4);
+	}
+	nchars = elts[i].nchars;
+	xDst = elts[i].xOff;
+	yDst = elts[i].yOff;
+	chars = elts[i].chars;
+	while (nchars)
+	{
+	    int this_chars = nchars > MAX_32 ? MAX_32 : nchars;
+	    int this_bytes = this_chars * 4;
+	    BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt))
+
+	    #ifdef NX_RENDER_CLEANUP
+
+	    elt->pad1 = 0;
+	    elt->pad2 = 0;
+
+	    #endif /* NX_RENDER_CLEANUP */
+
+	    elt->len = this_chars;
+	    elt->deltax = xDst;
+	    elt->deltay = yDst;
+	    xDst = 0;
+	    yDst = 0;
+
+            #ifdef TEST
+            fprintf(stderr, "XRenderCompositeText32: this_chars %d, this_bytes %d.\n",
+                    this_chars, this_bytes);
+            #endif
+
+	    DataInt32 (dpy, chars, this_bytes);
+	    nchars -= this_chars;
+	    chars += this_chars;
+	}
+    }
+#undef MAX_32
+    
+    UnlockDisplay(dpy);
+    SyncHandle();
+}