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## -*- tcl -*-
# ### ### ### ######### ######### #########
## Support declarations
# ### ### ### ######### ######### #########
## Type definitions
critcl::resulttype pointbox {
Tcl_SetObjResult(interp, pointbox_box (interp, &rv));
return TCL_OK;
} pointbox
critcl::argtype pointbox {
if (pointbox_unbox (interp, @@, &@A) != TCL_OK) return TCL_ERROR;
} pointbox pointbox
# ### ### ### ######### ######### #########
## Support implementation
critcl::ccode {
typedef struct pointbox {
double x0;
double y0;
double x1;
double y1;
} pointbox;
static int
pointbox_unbox (Tcl_Interp* interp, Tcl_Obj* obj, pointbox* p)
{
Tcl_Size lc;
Tcl_Obj** lv;
if (Tcl_ListObjGetElements (interp, obj, &lc, &lv) != TCL_OK) /* OK tcl9 */
return TCL_ERROR;
if (lc != 4) {
Tcl_SetErrorCode (interp, "MAP", "SLIPPY", "INVALID", "POINTBOX", NULL);
Tcl_AppendResult (interp, "Bad pointbox, expected list of 4", NULL);
return TCL_ERROR;
}
double x0, y0, x1, y1;
if (Tcl_GetDoubleFromObj (interp, lv[0], &x0) != TCL_OK) return TCL_ERROR;
if (Tcl_GetDoubleFromObj (interp, lv[1], &y0) != TCL_OK) return TCL_ERROR;
if (Tcl_GetDoubleFromObj (interp, lv[2], &x1) != TCL_OK) return TCL_ERROR;
if (Tcl_GetDoubleFromObj (interp, lv[3], &y1) != TCL_OK) return TCL_ERROR;
p->x0 = x0;
p->y0 = y0;
p->x1 = x1;
p->y1 = y1;
return TCL_OK;
}
static Tcl_Obj*
pointbox_box (Tcl_Interp* interp, pointbox* p)
{
Tcl_Obj* cl[4];
cl [0] = Tcl_NewDoubleObj (p->x0);
cl [1] = Tcl_NewDoubleObj (p->y0);
cl [2] = Tcl_NewDoubleObj (p->x1);
cl [3] = Tcl_NewDoubleObj (p->y1);
return Tcl_NewListObj(4, cl); /* OK tcl9 */
}
}
# ### ### ### ######### ######### #########
return
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