R6.6 is the Xorg base-lineXORG-MAIN

1 files changed, 867 insertions, 0 deletions

diff --git a/lbx/lbxgfx.c b/lbx/lbxgfx.c
new file mode 100644
index 000000000..25e87cc63
--- /dev/null
+++ b/lbx/lbxgfx.c
@@ -0,0 +1,867 @@
+/* $Xorg: lbxgfx.c,v 1.3 2000/08/17 19:53:31 cpqbld Exp $ */
+/*
+ * Copyright 1993 Network Computing Devices, 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 Network Computing Devices, Inc. not be
+ * used in advertising or publicity pertaining to distribution of this
+ * software without specific, written prior permission.
+ *
+ * THIS SOFTWARE IS PROVIDED `AS-IS'.  NETWORK COMPUTING DEVICES, INC.,
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT
+ * LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE, OR NONINFRINGEMENT.  IN NO EVENT SHALL NETWORK
+ * COMPUTING DEVICES, INC., BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING
+ * SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF USE, DATA,
+ * OR PROFITS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF, AND REGARDLESS OF
+ * WHETHER IN AN ACTION IN CONTRACT, TORT OR NEGLIGENCE, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+/* various bits of DIX-level mangling */
+
+#include <sys/types.h>
+#include <stdio.h>
+#define NEED_REPLIES
+#define NEED_EVENTS
+#include "X.h"
+#include "Xproto.h"
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "servermd.h"
+#include "windowstr.h"
+#include "scrnintstr.h"
+#define _XLBX_SERVER_
+#include "lbxstr.h"
+#include "lbxserve.h"
+#include "lbxtags.h"
+#include "Xfuncproto.h"
+#include "lbximage.h"
+#include "lbxsrvopts.h"
+
+#define DrawableCache(client)	(LbxClient(client)->drawableCache)
+#define GContextCache(client)	(LbxClient(client)->gcontextCache)
+
+extern int (*ProcVector[256])();
+
+static void
+push (cache, xid)
+    XID	    cache[GFX_CACHE_SIZE];
+    XID	    xid;
+{
+    memmove (cache+1, cache, (GFX_CACHE_SIZE - 1) * sizeof (cache[0]));
+    cache[0] = xid;
+}
+
+static XID
+use (cache, i)
+    XID	    cache[GFX_CACHE_SIZE];
+    int	    i;
+{
+    XID	tmp;
+
+    tmp = cache[i];
+    if (i != 0)
+    {
+	memmove (cache + 1, cache, i * sizeof (cache[0]));
+	cache[0] = tmp;
+    }
+    return tmp;
+}
+
+extern char *ConnectionInfo;
+
+int
+LbxDecodeGFXCache(client, cacheEnts, after, drawp, gcp)
+    ClientPtr		client;
+    CARD8		cacheEnts;
+    char		*after;
+    Drawable		*drawp;
+    GContext		*gcp;
+{
+    int	skip;
+    int	dcache, gcache;
+    
+    dcache = GFXdCacheEnt (cacheEnts);
+    gcache = GFXgCacheEnt (cacheEnts);
+    skip = 0;
+    if (dcache == GFXCacheNone)
+    {
+	memcpy (drawp, after, sizeof (Drawable));
+	push (DrawableCache(client), *drawp);
+	after += sizeof (Drawable);
+	skip += sizeof (Drawable);
+    }
+    else
+	*drawp = use (DrawableCache(client), dcache);
+    if (gcache == GFXCacheNone)
+    {
+	memcpy (gcp, after, sizeof (GContext));
+	push (GContextCache(client), *gcp);
+	skip += sizeof (GContext);
+    }
+    else
+	*gcp = use (GContextCache(client), gcache);
+    return skip;
+}
+
+int
+LbxDecodeDrawableCache(client, cacheEnts, after, drawp)
+    ClientPtr		client;
+    CARD8		cacheEnts;
+    char		*after;
+    Drawable		*drawp;
+{
+    int	skip;
+    int	dcache;
+    
+    dcache = GFXdCacheEnt (cacheEnts);
+    skip = 0;
+    if (dcache == GFXCacheNone)
+    {
+	memcpy (drawp, after, sizeof (Drawable));
+	push (DrawableCache(client), *drawp);
+	after += sizeof (Drawable);
+	skip += sizeof (Drawable);
+    }
+    else
+	*drawp = use (DrawableCache(client), dcache);
+    return skip;
+}
+
+int
+LbxDecodeGCCache(client, cacheEnts, after, gcp)
+    ClientPtr		client;
+    CARD8		cacheEnts;
+    char		*after;
+    GContext		*gcp;
+{
+    int	skip;
+    int	gcache;
+    
+    gcache = GFXgCacheEnt (cacheEnts);
+    skip = 0;
+    if (gcache == GFXCacheNone)
+    {
+	memcpy (gcp, after, sizeof (GContext));
+	push (GContextCache(client), *gcp);
+	after += sizeof (GContext);
+	skip += sizeof (GContext);
+    }
+    else
+	*gcp = use (GContextCache(client), gcache);
+    return skip;
+}
+
+#define GFX_GET_DRAWABLE_AND_GC(type,in,len) {\
+    int	    skip;   \
+    len = (client->req_len << 2) - SIZEOF(type); \
+    in = ((char *) stuff) + SIZEOF(type);\
+    skip = LbxDecodeGFXCache(client, stuff->cacheEnts, in, \
+			     &drawable, &gc); \
+    in += skip; \
+    len -= skip; \
+}
+    
+#define GFX_GET_DST_DRAWABLE_AND_GC(type,in,len) {\
+    int	    skip;   \
+    len = (client->req_len << 2) - SIZEOF(type); \
+    in = ((char *) stuff) + SIZEOF(type);\
+    skip = LbxDecodeGFXCache(client, stuff->cacheEnts, in, \
+			     &dstDrawable, &gc); \
+    in += skip; \
+    len -= skip; \
+}
+    
+#define GFX_GET_SRC_DST_DRAWABLE_AND_GC(type, in, len) { \
+    int	    skip; \
+    len = (client->req_len << 2) - SIZEOF(type); \
+    in = ((char *) stuff) + SIZEOF(type); \
+    skip = LbxDecodeDrawableCache(client, stuff->srcCache, in, \
+				  &srcDrawable); \
+    in += skip; \
+    len -= skip; \
+    skip = LbxDecodeGFXCache(client, stuff->cacheEnts, in, \
+			     &dstDrawable, &gc); \
+    in += skip; \
+    len -= skip; \
+}
+
+#define GFX_GET_GC(type, in, len) { \
+    int	    skip; \
+    len = (client->req_len << 2) - SIZEOF(type); \
+    in = ((char *) stuff) + SIZEOF(type); \
+    skip = LbxDecodeGCCache(client, stuff->gcCache, in, &gc); \
+    in += skip; \
+    len -= skip; \
+}
+
+int
+LbxDecodePoly(client, xreqtype, decode_rtn)
+    register ClientPtr  client;
+    CARD8		xreqtype;
+    int			(*decode_rtn)();
+{
+    REQUEST(xLbxPolyPointReq);
+    char		*in;
+    xPolyPointReq	*xreq;
+    int			len;
+    int			retval;
+    Drawable		drawable;
+    GContext		gc;
+
+    GFX_GET_DRAWABLE_AND_GC(xLbxPolyPointReq, in, len);
+    if ((xreq = (xPolyPointReq *) 
+	    xalloc(sizeof(xPolyPointReq) + (len << 1))) == NULL)
+	return BadAlloc;
+    len = (*decode_rtn)(in, in + len - stuff->padBytes, &xreq[1]);
+    xreq->reqType = xreqtype;
+    xreq->coordMode = 1;
+    xreq->drawable = drawable;
+    xreq->gc = gc;
+    xreq->length = client->req_len = (sizeof(xPolyPointReq) + len) >> 2;
+    client->requestBuffer = (pointer)xreq;
+
+    retval = (*ProcVector[xreqtype])(client);
+    xfree(xreq);
+    return retval;
+}
+
+int
+LbxDecodeFillPoly(client)
+    register ClientPtr  client;
+{
+    REQUEST(xLbxFillPolyReq);
+    char		*in;
+    xFillPolyReq	*xreq;
+    int			len;
+    int			retval;
+    Drawable		drawable;
+    GContext		gc;
+    
+    GFX_GET_DRAWABLE_AND_GC(xLbxFillPolyReq, in, len);
+    if ((xreq = (xFillPolyReq *) 
+	    xalloc(sizeof(xFillPolyReq) + (len << 1))) == NULL)
+	return BadAlloc;
+    len = LbxDecodePoints(in, in + len - stuff->padBytes, (short *) &xreq[1]);
+    xreq->reqType = X_FillPoly;
+    xreq->drawable = drawable;
+    xreq->gc = gc;
+    xreq->shape = stuff->shape;
+    xreq->coordMode = 1;
+    xreq->length = client->req_len = (sizeof(xFillPolyReq) + len) >> 2;
+    client->requestBuffer = (pointer)xreq;
+
+    retval = (*ProcVector[X_FillPoly])(client);
+    xfree(xreq);
+    return retval;
+}
+
+/*
+ * Routines for decoding line drawing requests
+ */
+
+#define DECODE_PSHORT(in, val) \
+    if ((*(in) & 0xf0) != 0xf0) \
+	(val) = *(CARD8 *)(in)++; \
+    else { \
+	(val) = ((*(CARD8 *)(in) & 0x0f) << 8) | *(CARD8 *)((in) + 1); \
+	if ((val) >= 0xe00) \
+	    (val) -= 0x1000; \
+	else \
+	    (val) += 0xf0; \
+	(in) += 2; \
+    }
+
+#define DECODE_SHORT(in, val) \
+    if ((*(in) & 0xf0) != 0x80) \
+        (val) = *(INT8 *)(in)++; \
+    else { \
+	(val) = ((*(CARD8 *)(in) & 0x0f) << 8) | *(CARD8 *)((in) + 1); \
+	if ((val) & 0x0800) \
+	    (val) = ((val) | 0xf000) - 0x70; \
+	else \
+	    (val) += 0x80; \
+	(in) += 2; \
+    }
+
+#define DECODE_USHORT(in, val) \
+    if ((*(in) & 0xf0) != 0xf0) \
+	(val) = *(CARD8 *)(in)++; \
+    else { \
+	(val) = (((*(CARD8 *)(in) & 0x0f) << 8) | *(CARD8 *)((in) + 1)) + 0xf0; \
+	(in) += 2; \
+    }
+
+#define DECODE_ANGLE(in, val) \
+    if (*(INT8 *)(in) >= 0x6e) \
+	(val) = (*(INT8 *)(in)++ - 0x67) * (15 << 6); \
+    else if (*(INT8 *)(in) >= 0x5a) \
+	(val) = (*(INT8 *)(in)++ - 0x5a) * (5 << 6); \
+    else if (*(INT8 *)(in) <= (INT8)0x91) \
+	(val) = (*(INT8 *)(in)++ - (INT8)0x98) * (15 << 6); \
+    else if (*(INT8 *)(in) <= (INT8)0xa5) \
+	(val) = (*(INT8 *)(in)++ - (INT8)0xa6) * (5 << 6); \
+    else { \
+	(val) = (*(CARD8 *)(in) << 8) | *(CARD8 *)((in) + 1); \
+	(in) += 2; \
+    }
+
+int
+LbxDecodePoints(in, inend, out)
+    register char  *in;
+    char	   *inend;
+    register short *out;
+{
+    char	   *start_out = (char *)out;
+
+    while (in < inend) {
+	DECODE_SHORT(in, *out);
+	out++;
+	DECODE_SHORT(in, *out);
+	out++;
+    }
+    return ((char *)out - start_out);
+}
+
+int
+LbxDecodeSegment(in, inend, out)
+    register char  *in;
+    char	   *inend;
+    register short *out;
+{
+    register short diff;
+    short	   last_x = 0;
+    short	   last_y = 0;
+    char	   *start_out = (char *)out;
+
+    while (in < inend) {
+	DECODE_SHORT(in, diff);
+	*out = last_x + diff;
+	last_x += diff;
+	out++;
+	DECODE_SHORT(in, diff);
+	*out = last_y + diff;
+	last_y += diff;
+	out++;
+
+	DECODE_SHORT(in, diff);
+	*out = last_x + diff;
+	out++;
+	DECODE_SHORT(in, diff);
+	*out = last_y + diff;
+	out++;
+    }
+    return ((char *)out - start_out);
+}
+
+int
+LbxDecodeRectangle(in, inend, out)
+    register char  *in;
+    char	   *inend;
+    register short *out;
+{
+    register short diff;
+    short	   last_x = 0;
+    short	   last_y = 0;
+    char	   *start_out = (char *)out;
+
+    while (in < inend) {
+	DECODE_SHORT(in, diff);
+	*out = last_x + diff;
+	last_x += diff;
+	out++;
+	DECODE_SHORT(in, diff);
+	*out = last_y + diff;
+	last_y += diff;
+	out++;
+
+	DECODE_USHORT(in, *(unsigned short *)out);
+	out++;
+	DECODE_USHORT(in, *(unsigned short *)out);
+	out++;
+    }
+    return ((char *)out - start_out);
+}
+
+int
+LbxDecodeArc(in, inend, out)
+    register char  *in;
+    char	   *inend;
+    register short *out;
+{
+    register short diff;
+    short	   last_x = 0;
+    short	   last_y = 0;
+    char	   *start_out = (char *)out;
+
+    while (in < inend) {
+	DECODE_SHORT(in, diff);
+	*out = last_x + diff;
+	last_x += diff;
+	out++;
+	DECODE_SHORT(in, diff);
+	*out = last_y + diff;
+	last_y += diff;
+	out++;
+
+	DECODE_USHORT(in, *(unsigned short *)out);
+	out++;
+	DECODE_USHORT(in, *(unsigned short *)out);
+	out++;
+
+	DECODE_ANGLE(in, *out);
+	out++;
+	DECODE_ANGLE(in, *out);
+	out++;
+    }
+    return ((char *)out - start_out);
+}
+
+int
+LbxDecodeCopyArea (client)
+    ClientPtr	client;
+{
+    REQUEST(xLbxCopyAreaReq);
+    char		*in;
+    xCopyAreaReq    	req;
+    int			len;
+    Drawable		srcDrawable, dstDrawable;
+    GContext		gc;
+    
+    GFX_GET_SRC_DST_DRAWABLE_AND_GC(xLbxCopyAreaReq, in, len);
+    req.reqType = X_CopyArea;
+    req.length = client->req_len = SIZEOF(xCopyAreaReq) >> 2;
+    req.srcDrawable = srcDrawable;
+    req.dstDrawable = dstDrawable;
+    req.gc = gc;
+    DECODE_PSHORT (in, req.srcX);
+    DECODE_PSHORT (in, req.srcY);
+    DECODE_PSHORT (in, req.dstX);
+    DECODE_PSHORT (in, req.dstY);
+    DECODE_USHORT (in, req.width);
+    DECODE_USHORT (in, req.height);
+    client->requestBuffer = (pointer) &req;
+    return (*ProcVector[X_CopyArea])(client);
+}
+
+int
+LbxDecodeCopyPlane (client)
+    ClientPtr	client;
+{
+    REQUEST(xLbxCopyPlaneReq);
+    char		*in;
+    xCopyPlaneReq 	req;
+    int			len;
+    Drawable		srcDrawable, dstDrawable;
+    GContext		gc;
+    
+    GFX_GET_SRC_DST_DRAWABLE_AND_GC(xLbxCopyPlaneReq, in, len);
+    req.reqType = X_CopyPlane;
+    req.length = client->req_len = SIZEOF(xCopyPlaneReq) >> 2;
+    req.srcDrawable = srcDrawable;
+    req.dstDrawable = dstDrawable;
+    req.gc = gc;
+    DECODE_PSHORT (in, req.srcX);
+    DECODE_PSHORT (in, req.srcY);
+    DECODE_PSHORT (in, req.dstX);
+    DECODE_PSHORT (in, req.dstY);
+    DECODE_USHORT (in, req.width);
+    DECODE_USHORT (in, req.height);
+    req.bitPlane = stuff->bitPlane;
+    client->requestBuffer = (pointer) &req;
+    return (*ProcVector[X_CopyPlane])(client);
+}
+
+static pointer
+get_gfx_buffer(client, len)
+    ClientPtr	client;
+    int		len;
+{
+    LbxClientPtr    lbxClient = LbxClient(client);
+    pointer	tmp;
+
+    /* XXX should probably shrink this sucker too */
+    if (len > lbxClient->gb_size) {
+	tmp = (pointer) xrealloc(lbxClient->gfx_buffer, len);
+	if (!tmp)
+	    return (pointer) NULL;
+	lbxClient->gfx_buffer = tmp;
+	lbxClient->gb_size = len;
+    }
+    return lbxClient->gfx_buffer;
+}
+
+int
+LbxDecodePolyText (client)
+    ClientPtr	client;
+{
+    REQUEST(xLbxPolyTextReq);
+    char		*in, *pos;
+    xPolyTextReq	*xreq;
+    int			len;
+    Drawable		drawable;
+    GContext		gc;
+    
+    GFX_GET_DRAWABLE_AND_GC(xLbxPolyTextReq, in, len);
+    xreq = (xPolyTextReq *) get_gfx_buffer(client, sizeof (xPolyTextReq) + len);
+    if (!xreq)
+	return BadAlloc;
+    xreq->reqType = stuff->lbxReqType == X_LbxPolyText8? X_PolyText8 : X_PolyText16;
+    xreq->drawable = drawable;
+    xreq->gc = gc;
+    pos = in;
+    DECODE_PSHORT(in, xreq->x);
+    DECODE_PSHORT(in, xreq->y);
+    len -= (in - pos);
+    memmove ((char *) (xreq + 1), in, len);
+    xreq->length = client->req_len = (sizeof (xPolyTextReq) + len) >> 2;
+    client->requestBuffer = (pointer) xreq;
+    return (*ProcVector[xreq->reqType])(client);
+}
+
+int
+LbxDecodeImageText (client)
+    ClientPtr	client;
+{
+    REQUEST(xLbxImageTextReq);
+    char		*in, *pos;
+    xImageTextReq	*xreq;
+    int			len;
+    Drawable		drawable;
+    GContext		gc;
+
+    GFX_GET_DRAWABLE_AND_GC(xLbxImageTextReq, in, len);
+    xreq = (xImageTextReq *) get_gfx_buffer(client, sizeof (xImageTextReq) + len);
+    if (!xreq)
+	return BadAlloc;
+    xreq->reqType = stuff->lbxReqType == X_LbxImageText8? X_ImageText8 : X_ImageText16;
+    xreq->drawable = drawable;
+    xreq->gc = gc;
+    xreq->nChars = stuff->nChars;
+    pos = in;
+    DECODE_PSHORT(in, xreq->x);
+    DECODE_PSHORT(in, xreq->y);
+    len -= (in - pos);
+    memmove ((char *) (xreq + 1), in, len);
+    xreq->length = client->req_len = (sizeof (xImageTextReq) + len) >> 2;
+    client->requestBuffer = (pointer) xreq;
+    return (*ProcVector[xreq->reqType])(client);
+}
+
+int
+LbxDecodePutImage (client)
+    register ClientPtr  client;
+{
+    REQUEST		(xLbxPutImageReq);
+    char		*in, *data;
+    xPutImageReq	xreq;
+    int			ppl, bpl, nbytes;
+    int			retval;
+    int			n;
+
+    xreq.reqType = X_PutImage;
+
+    in = (char *) stuff + sz_xLbxPutImageReq;
+
+    if (stuff->bitPacked & 0x80) {
+	xreq.format = (stuff->bitPacked >> 5) & 0x3;
+	xreq.depth = ((stuff->bitPacked >> 2) & 0x7) + 1;
+	xreq.leftPad = 0;
+    } else {
+	xreq.depth = (stuff->bitPacked >> 2) + 1;
+	xreq.format = (*in >> 5) & 0x3;
+	xreq.leftPad = *in++ & 0x1f;
+    }
+    DECODE_USHORT(in, xreq.width);
+    DECODE_USHORT(in, xreq.height);
+    DECODE_PSHORT(in, xreq.dstX);
+    DECODE_PSHORT(in, xreq.dstY);
+    if (client->swapped) {
+	if (GFXdCacheEnt (stuff->cacheEnts) == GFXCacheNone ||
+	    GFXgCacheEnt (stuff->cacheEnts) == GFXCacheNone)
+	{
+	    swapl (in, n);
+	    if (GFXdCacheEnt (stuff->cacheEnts) == GFXCacheNone &&
+		GFXgCacheEnt (stuff->cacheEnts) == GFXCacheNone)
+		swapl (in + 4, n);
+	}
+    }
+    in += LbxDecodeGFXCache(client, stuff->cacheEnts, in,
+			    &xreq.drawable, &xreq.gc);
+
+    ppl = xreq.width + xreq.leftPad;
+    if (xreq.format != ZPixmap ||
+	(xreq.depth == 1 && screenInfo.formats->bitsPerPixel == 1)) {
+#ifdef INTERNAL_VS_EXTERNAL_PADDING
+	bpl = BitmapBytePadProto(ppl);
+#else
+	bpl = BitmapBytePad(ppl);
+#endif
+	nbytes = bpl;
+	if (xreq.format == XYPixmap)
+	    nbytes *= xreq.depth;
+    } else {
+#ifdef INTERNAL_VS_EXTERNAL_PADDING
+	bpl = PixmapBytePadProto(ppl, xreq.depth);
+#else
+	bpl = PixmapBytePad(ppl, xreq.depth);
+#endif
+	nbytes = bpl;
+    }
+    nbytes *= xreq.height;
+    xreq.length = ((nbytes + 3) >> 2) + (sz_xPutImageReq >> 2);
+    /* +1 is because fillspan in DecodeFaxG42D seems to go 1 byte too far,
+     * and I don't want to mess with that code */
+    if ((data = (char *) xalloc ((xreq.length << 2) + 1)) == NULL)
+	return BadAlloc;
+
+    *((xPutImageReq *)data) = xreq;
+
+    if (!stuff->compressionMethod)
+    {
+	memcpy(data + sz_xPutImageReq, in, nbytes);
+    }
+    else if (xreq.format != ZPixmap ||
+	     (xreq.depth == 1 && screenInfo.formats->bitsPerPixel == 1))
+    {
+	LbxBitmapCompMethod *compMethod;
+
+	compMethod = LbxSrvrLookupBitmapCompMethod (LbxProxy(client),
+	    stuff->compressionMethod);
+
+	if (!compMethod)
+	{
+	    xfree (data);
+	    return (BadValue);
+	}
+	else
+	{
+	    if (!compMethod->inited)
+	    {
+		if (compMethod->compInit)
+		    (*compMethod->compInit)();
+		compMethod->inited = 1;
+	    }
+
+	    (*compMethod->decompFunc) (
+	        (unsigned char *) in, (unsigned char *) data + sz_xPutImageReq,
+	        nbytes,
+#if BITMAP_BIT_ORDER != IMAGE_BYTE_ORDER
+		(ppl + BITMAP_SCANLINE_UNIT - 1) & ~BITMAP_SCANLINE_UNIT,
+#else
+	        ppl,
+#endif
+		bpl,
+	        ((xConnSetup *) ConnectionInfo)->bitmapBitOrder == LSBFirst);
+	}
+    }
+    else
+    {
+	LbxPixmapCompMethod *compMethod;
+
+	compMethod = LbxSrvrLookupPixmapCompMethod (LbxProxy(client),
+	    stuff->compressionMethod);
+
+	if (!compMethod)
+	{
+	    xfree (data);
+	    return (BadValue);
+	}
+	else
+	{
+	    if (!compMethod->inited)
+	    {
+		if (compMethod->compInit)
+		    (*compMethod->compInit)();
+		compMethod->inited = 1;
+	    }
+
+	    (*compMethod->decompFunc) (
+		in, (char *) data + sz_xPutImageReq,
+		(int) xreq.height, bpl);
+	}
+    }
+
+    client->req_len = xreq.length;
+    client->requestBuffer = (pointer) data;
+
+    retval = (*ProcVector[X_PutImage])(client);
+    xfree(data);
+    return retval;
+}
+
+int
+LbxDecodeGetImage (client)
+    register ClientPtr  client;
+{
+    REQUEST		(xLbxGetImageReq);
+    xLbxGetImageReply	*reply = NULL;
+    int			lbxLen, xLen, n;
+    int			method, bytes, status;
+    xGetImageReply	*theImage;
+
+    REQUEST_SIZE_MATCH(xLbxGetImageReq);
+
+    status = DoGetImage(client, stuff->format, stuff->drawable,
+			stuff->x, stuff->y,
+			(int)stuff->width, (int)stuff->height,
+			stuff->planeMask, &theImage);
+
+    if (status != Success)
+	return (status);
+
+    if ((reply = (xLbxGetImageReply *) xalloc (
+	sz_xLbxGetImageReply + theImage->length)) == NULL)
+    {
+	xfree(theImage);
+	return (BadAlloc);
+    }
+
+    if (stuff->format != ZPixmap ||
+	(theImage->depth == 1 && screenInfo.formats->bitsPerPixel == 1))
+    {
+	LbxBitmapCompMethod *compMethod;
+
+	compMethod = LbxSrvrFindPreferredBitmapCompMethod (LbxProxy(client));
+
+	if (!compMethod)
+	    status = LBX_IMAGE_COMPRESS_NO_SUPPORT;
+	else
+	{
+	    if (!compMethod->inited)
+	    {
+		if (compMethod->compInit)
+		    (*compMethod->compInit)();
+		compMethod->inited = 1;
+	    }
+
+	    status = (*compMethod->compFunc) (
+	        (unsigned char *) &theImage[1],
+	        (unsigned char *) &reply[1],
+	        theImage->length,
+		theImage->length,
+#if BITMAP_BIT_ORDER != IMAGE_BYTE_ORDER
+		(int) (stuff->width + BITMAP_SCANLINE_UNIT - 1) &
+		      ~BITMAP_SCANLINE_UNIT,
+#else
+		(int) stuff->width,
+#endif
+#ifdef INTERNAL_VS_EXTERNAL_PADDING
+		BitmapBytePadProto(stuff->width),
+#else
+		BitmapBytePad(stuff->width),
+#endif
+	        ((xConnSetup *) ConnectionInfo)->bitmapBitOrder == LSBFirst,
+	        &bytes);
+
+	    method = compMethod->methodOpCode;
+	}
+    }
+    else
+    {
+	LbxPixmapCompMethod *compMethod;
+
+	compMethod = LbxSrvrFindPreferredPixmapCompMethod (
+	    LbxProxy(client), (int) stuff->format, theImage->depth);
+
+	if (!compMethod)
+	    status = LBX_IMAGE_COMPRESS_NO_SUPPORT;
+	else
+	{
+	    if (!compMethod->inited)
+	    {
+		if (compMethod->compInit)
+		    (*compMethod->compInit)();
+		compMethod->inited = 1;
+	    }
+
+	    status = (*compMethod->compFunc) (
+	        (char *) &theImage[1],
+	        (char *) &reply[1],
+	        theImage->length,
+	        (int) stuff->format,
+	        theImage->depth,
+	        (int) stuff->height,
+#ifdef INTERNAL_VS_EXTERNAL_PADDING
+		PixmapBytePadProto(stuff->width, theImage->depth),
+#else
+		PixmapBytePad(stuff->width, theImage->depth),
+#endif
+		&bytes);
+
+	    method = compMethod->methodOpCode;
+	}
+    }
+
+    reply->type = X_Reply;
+    reply->depth = theImage->depth;
+    reply->sequenceNumber = client->sequence;
+    reply->visual = theImage->visual;
+    reply->pad1 = reply->pad2 = reply->pad3 = reply->pad4 = reply->pad5 = 0;
+
+    if (status != LBX_IMAGE_COMPRESS_SUCCESS)
+    {
+	reply->compressionMethod = LbxImageCompressNone;
+	reply->lbxLength = reply->xLength = (theImage->length + 3) >> 2;
+    }
+    else
+    {
+	reply->compressionMethod = method;
+	reply->lbxLength = (bytes + 3) >> 2;
+	reply->xLength = (theImage->length + 3) >> 2;
+    }
+
+    lbxLen = reply->lbxLength;
+    xLen = reply->xLength;
+
+    if (client->swapped)
+    {
+	swaps (&reply->sequenceNumber, n);
+	swapl (&reply->lbxLength, n);
+	swapl (&reply->xLength, n);
+	swapl (&reply->visual, n);
+    }
+
+    if (reply->compressionMethod != LbxImageCompressNone)
+    {
+	/*
+	 * If the compressed image is greater that 25% of the original
+	 * image, run the GetImage reply through the regular stream
+	 * compressor.  Otherwise, just write the compressed image.
+	 */
+	
+	if (lbxLen > (xLen / 4))
+	{
+	    WriteToClient (client,
+	        sz_xLbxGetImageReply + (lbxLen << 2), (char *)reply);
+	}
+	else
+	{
+	    UncompressedWriteToClient (client,
+	        sz_xLbxGetImageReply + (lbxLen << 2), (char *)reply);
+	}
+    }
+    else
+    {
+	/*
+	 * Write back the original uncompressed image.
+	 */
+
+	WriteToClient (client, sz_xLbxGetImageReply, (char *)reply);
+	WriteToClient (client, lbxLen << 2, (char *)&theImage[1]);
+    }
+
+    xfree (theImage);
+
+    if (reply)
+	xfree ((char *) reply);
+
+    return (Success);
+}