/* $Xorg: pexInfo.c,v 1.3 2000/08/17 19:47:13 cpqbld Exp $ */

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Copyright 1989, 1990, 1991 by Sun Microsystems, Inc. 

                        All Rights Reserved

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provided that the above copyright notice appear in all copies and that
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/* $XFree86: xc/programs/Xserver/PEX5/dipex/objects/pexInfo.c,v 1.8 2001/01/17 22:12:37 dawes Exp $ */


/*++    pexInfo.c
 *
 *	Contents:   PEXGetExtensionInfo
 *		    PEXGetEnumeratedTypeInfo
 *		    PEXGetImpDepConstants
 *		    PEXMatchRendererTargets
 *		    PEXEscape
 *		    PEXEscapeWithReply
 *
 --*/

#include "X.h"
#include "Xproto.h"
#include "pex_site.h"
#include "PEX.h"
#include "dipex.h"
#include "pexError.h"
#include "pexLookup.h"
#include "pexExtract.h"
#include "pexos.h"

#ifdef min
#undef min
#endif
 
#ifdef max
#undef max
#endif


/*++	PEXGetExtensionInfo
 *
 * The client_protocol_major_version and the 
 * client_protocol_minor_version indicate what 
 * version of the protocol the client expects the 
 * server to implement. 
 --*/

ErrorCode
PEXGetExtensionInfo( cntxtPtr, strmPtr )
pexContext		*cntxtPtr;
pexGetExtensionInfoReq	*strmPtr;
{
    ErrorCode err = Success;
    extern ddBuffer *pPEXBuffer;
    pexGetExtensionInfoReply *reply =
				   (pexGetExtensionInfoReply *)pPEXBuffer->pHead;

    reply->majorVersion = PEX_PROTO_MAJOR;
    reply->minorVersion = PEX_PROTO_MINOR;
    reply->release = PEX_RELEASE_NUMBER;
    reply->lengthName = strlen(PEX_VENDOR);
    reply->length = LWORDS(reply->lengthName);
    reply->subsetInfo = PEX_SUBSET;
    memcpy( (char *)(reply+1), PEX_VENDOR, (int)(reply->lengthName));

    WritePEXReplyToClient(  cntxtPtr, strmPtr,
			    sizeof(pexGetExtensionInfoReply) + reply->lengthName,
			    reply);

    return( err );

} /* end-PEXGetExtensionInfo() */

/*++	PEXGetEnumeratedTypeInfo
 --*/

ErrorCode
PEXGetEnumeratedTypeInfo( cntxtPtr, strmPtr )
pexContext			*cntxtPtr;
pexGetEnumeratedTypeInfoReq	*strmPtr;
{
    ErrorCode err = Success;
    DrawablePtr d;
    extern ddBuffer *pPEXBuffer;
    ddULONG numLists;

    LU_DRAWABLE (strmPtr->drawable, d);

    SETUP_INQ(pexGetEnumeratedTypeInfoReply);

    err = InquireEnumTypeInfo(	d, strmPtr->itemMask, strmPtr->numEnums,
				(ddUSHORT *)(strmPtr+1), &numLists, pPEXBuffer);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);
			
    {
	SETUP_VAR_REPLY(pexGetEnumeratedTypeInfoReply);
	reply->numLists = numLists;
	WritePEXBufferReply(pexGetEnumeratedTypeInfoReply);
    }
    return( err );

} /* end-PEXGetEnumeratedTypeInfo() */

/*++	PEXGetImpDepConstants
 --*/

ErrorCode
PEXGetImpDepConstants( cntxtPtr, strmPtr )
pexContext			*cntxtPtr;
pexGetImpDepConstantsReq	*strmPtr;
{
    ErrorCode err = Success;
    DrawablePtr d;
    extern ddBuffer *pPEXBuffer;

    LU_DRAWABLE (strmPtr->drawable, d);

    SETUP_INQ(pexGetImpDepConstantsReply);

    err = InquireImpDepConstants(   d, strmPtr->numNames, 
				    (ddUSHORT *)(strmPtr+1), pPEXBuffer);
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    {
	SETUP_VAR_REPLY(pexGetImpDepConstantsReply);
	WritePEXBufferReply(pexGetImpDepConstantsReply);
    }
    return( err );

} /* end-PEXGetImpDepConstants() */

ErrorCode
PEXMatchRendererTargets( cntxtPtr, strmPtr )
pexContext			*cntxtPtr;
pexMatchRendererTargetsReq      *strmPtr;
{
    ErrorCode err = Success;
    DrawablePtr d;
    extern ddBuffer *pPEXBuffer;

    LU_DRAWABLE (strmPtr->drawable, d);

    /* no way to check visualID besides doing the work of Match */

    SETUP_INQ(pexMatchRendererTargetsReply);

    err = MatchRendererTargets(d, (int)strmPtr->depth, (int)strmPtr->type, 
			   (VisualID)strmPtr->visualID,
			   (int)strmPtr->maxTriplets, pPEXBuffer );
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    {
	SETUP_VAR_REPLY(pexMatchRendererTargetsReply);
	WritePEXBufferReply(pexMatchRendererTargetsReply);
    }
    return( err );

} /* end-PEXMatchRendererTargets() */

ErrorCode
PEXQueryColorApprox( cntxtPtr, strmPtr )
pexContext			*cntxtPtr;
pexQueryColorApproxReq      	*strmPtr;
{
    ErrorCode err = Success;
    DrawablePtr d;
    extern ddBuffer *pPEXBuffer;

    LU_DRAWABLE (strmPtr->drawable, d);

    SETUP_INQ(pexQueryColorApproxReply);

  /*
	Call to query color approximation routine goes here
  */
    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    {
	SETUP_VAR_REPLY(pexQueryColorApproxReply);
	WritePEXBufferReply(pexQueryColorApproxReply);
    }
    return( err );

} /* end-PEXQueryColorApprox() */


ErrorCode
PEXEscape( cntxtPtr, strmPtr )
pexContext		  	*cntxtPtr;
pexEscapeReq	   	 	*strmPtr;
{
    ErrorCode err = Success;
    ddRendererStr *prend = 0;
    pexEscapeSetEchoColourData *ptr;
    CARD8 *pcs;


    /* Support the one Registered Escape, Set Echo Color */
    switch (strmPtr->escapeID) {
	case  PEXEscapeSetEchoColour: {
	  ptr = (pexEscapeSetEchoColourData *)(strmPtr + 1);
	  pcs = (CARD8 *)(ptr+1); 

	  LU_RENDERER(ptr->rdr, prend);
	  EXTRACT_COLOUR_SPECIFIER(prend->echoColour,pcs);
	  break;
	}

	default: 
	  err = BadValue;
	  break;
    }


    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    return( err );

} /* end-PEXEscape() */


ErrorCode
PEXEscapeWithReply( cntxtPtr, strmPtr )
pexContext		  	*cntxtPtr;
pexEscapeWithReplyReq	   	*strmPtr;
{
    ErrorCode err = Success;

    /* Do nothing here, Escape with Reply is not implemented in SI 
    */

    if (err) PEX_ERR_EXIT(err,0,cntxtPtr);

    return( err );

} /* end-PEXEscapeWithReply() */
/*++
 *
 *	End of File
 *
 --*/