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## -*- tcl -*-
# ### ### ### ######### ######### #########
## Support declarations
# ### ### ### ######### ######### #########
## Type definitions
critcl::resulttype geobox {
Tcl_SetObjResult(interp, geobox_box (interp, &rv));
return TCL_OK;
} geobox
critcl::argtype geobox {
if (geobox_unbox (interp, @@, &@A) != TCL_OK) return TCL_ERROR;
} geobox geobox
# ### ### ### ######### ######### #########
## Support implementation
critcl::ccode {
typedef struct geobox {
double lat0;
double lon0;
double lat1;
double lon1;
} geobox;
static int
geobox_unbox (Tcl_Interp* interp, Tcl_Obj* obj, geobox* g)
{
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", "GEOBOX", NULL);
Tcl_AppendResult (interp, "Bad geobox, expected list of 4", NULL);
return TCL_ERROR;
}
double lat0;
double lon0;
double lat1;
double lon1;
if (Tcl_GetDoubleFromObj (interp, lv[0], &lat0) != TCL_OK) return TCL_ERROR;
if (Tcl_GetDoubleFromObj (interp, lv[1], &lon0) != TCL_OK) return TCL_ERROR;
if (Tcl_GetDoubleFromObj (interp, lv[2], &lat1) != TCL_OK) return TCL_ERROR;
if (Tcl_GetDoubleFromObj (interp, lv[3], &lon1) != TCL_OK) return TCL_ERROR;
g->lat0 = lat0;
g->lon0 = lon0;
g->lat1 = lat1;
g->lon1 = lon1;
return TCL_OK;
}
static Tcl_Obj*
geobox_box (Tcl_Interp* interp, geobox* g)
{
Tcl_Obj* cl[4];
cl [0] = Tcl_NewDoubleObj (g->lat0);
cl [1] = Tcl_NewDoubleObj (g->lon0);
cl [2] = Tcl_NewDoubleObj (g->lat1);
cl [3] = Tcl_NewDoubleObj (g->lon1);
return Tcl_NewListObj(4, cl); /* OK tcl9 */
}
}
# ### ### ### ######### ######### #########
return
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