public boolean clip(GeometryBuffer geom) {
if (geom.isPoly()) {
GeometryBuffer out = mGeomOut;
out.clear();
clipEdge(geom, out, LineClipper.LEFT);
geom.clear();
clipEdge(out, geom, LineClipper.TOP);
out.clear();
clipEdge(geom, out, LineClipper.RIGHT);
geom.clear();
clipEdge(out, geom, LineClipper.BOTTOM);
if ((geom.indexPos == 0) && (geom.index[0] < 6)) return false;
} else if (geom.isLine()) {
GeometryBuffer out = mGeomOut;
out.clear();
int numLines = clipLine(geom, out);
short idx[] = geom.ensureIndexSize(numLines + 1, false);
System.arraycopy(out.index, 0, idx, 0, numLines);
geom.index[numLines] = -1;
float pts[] = geom.ensurePointSize(out.pointPos >> 1, false);
System.arraycopy(out.points, 0, pts, 0, out.pointPos);
geom.indexPos = out.indexPos;
geom.pointPos = out.pointPos;
if ((geom.indexPos == 0) && (geom.index[0] < 4)) return false;
}
return true;
}
