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} // 片段在里面 for (int i = 0, n = tLine.size() - 1; i < n; i++) { LineSegment lseg = tLine.getLineSegment(i); CPoint mp = lseg.getMiddlePoint(); if (r2.containIn(mp) && !r2.onLineString(mp)) { return LineDim; } } return EmptyDim; }