#include <stdlib.h>

#include "lx.h"

#include "proto.h"
#include "internal.h"

typedef struct priv_AllocColor PRIV_AllocColor;

struct priv_AllocColor {
  unsigned int *pixp;
  unsigned int *rp;
  unsigned int *gp;
  unsigned int *bp;
  } ;

static void done_AllocColor(LX_OP *op, const unsigned char *rep)
{
 PRIV_AllocColor *p;
 unsigned int pix;
 unsigned int r;
 unsigned int g;
 unsigned int b;

 r = r_card16(rep+8);
 g = r_card16(rep+10);
 b = r_card16(rep+12);
 pix = r_card32(rep+16);
 p = op->reqpriv;
 if (p->pixp) *p->pixp = pix;
 if (p->rp) *p->rp = r;
 if (p->gp) *p->gp = g;
 if (p->bp) *p->bp = b;
 op->reqpriv = 0;
 free(p);
}

LX_OP *lx_AllocColor(
	LX_CONN *xc,
	LX_XID cmap,
	unsigned int r, unsigned int g, unsigned int b,
	unsigned int *pixp,
	unsigned int *rp, unsigned int *gp, unsigned int *bp )
{
 unsigned char req[16];
 PRIV_AllocColor *p;

 if (xc->flags & XCF_FAIL) return(0);
 p = malloc(sizeof(PRIV_AllocColor));
 p->pixp = pixp;
 p->rp = rp;
 p->gp = gp;
 p->bp = bp;
 req[0] = XP_REQ_AllocColor;
 req[1] = 0;
 w_card16(&req[2],4);
 w_card32(&req[4],cmap);
 w_card16(&req[8],r);
 w_card16(&req[10],g);
 w_card16(&req[12],b);
 w_card16(&req[14],0);
 return(lx__expect_reply(xc,&req[0],16,&done_AllocColor,p,0));
}