Lines Matching refs:halo
2463 double coords[2], halo;
2468 cmdName, option, " closest x y ?halo? ?start?",
2479 &halo) != TCL_OK) {
2482 if (halo < 0.0) {
2483 Tcl_AppendResult(interp, "can't have negative halo value \"",
2488 halo = 0.0;
2516 itemPtr, coords) - halo;
2528 x1 = (coords[0] - closestDist - halo - 1);
2529 y1 = (coords[1] - closestDist - halo - 1);
2530 x2 = (coords[0] + closestDist + halo + 1);
2531 y2 = (coords[1] + closestDist + halo + 1);
2554 itemPtr, coords) - halo;