content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   * 
   *   http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.weex.ui.view.border;
  
  import android.graphics.Canvas;
  import android.graphics.Paint;
  import android.support.annotation.NonNull;
  import org.apache.weex.dom.CSSShorthand;
  
  /**
   * Edge for border. Every border has four edges, and each edge has a previous corner and a post
   * corner.
   */
  class BorderEdge {
  
    private
    @NonNull
    BorderCorner mPreCorner;
    private
    @NonNull
    BorderCorner mPostCorner;
  
    private CSSShorthand.EDGE mEdge;
    private float mBorderWidth;
  
    BorderEdge() {
    }
  
    BorderEdge set(@NonNull BorderCorner preCorner, @NonNull BorderCorner postCorner,
                   float borderWidth, CSSShorthand.EDGE edge) {
      mPreCorner = preCorner;
      mPostCorner = postCorner;
      mBorderWidth = borderWidth;
      mEdge = edge;
      return this;
    }
  
    /**
     * Draw the edge on the canvas with the specified paint.
     * @param canvas the canvas where the edge will be drawn.
     * @param paint the paint which is used to draw.
     */
    void drawEdge(@NonNull Canvas canvas, @NonNull Paint paint) {
      paint.setStrokeWidth(mBorderWidth);
  
      mPreCorner.drawRoundedCorner(canvas, paint, mPreCorner.getAngleBisectorDegree());
  
      paint.setStrokeWidth(mBorderWidth);
  
      final float lineStartX = mPreCorner.getRoundCornerEndX();
      final float lineStartY = mPreCorner.getRoundCornerEndY();
  
      final float lineEndX = mPostCorner.getRoundCornerStartX();
      final float lineEndY = mPostCorner.getRoundCornerStartY();
  
      canvas.drawLine(lineStartX, lineStartY, lineEndX, lineEndY, paint);
  
      mPostCorner.drawRoundedCorner(canvas, paint, mPostCorner.getAngleBisectorDegree() - BorderCorner.SWEEP_ANGLE);
    }
  
    /**
     * The index of the edge
     * @return index of edge. May be one of
     */
    public CSSShorthand.EDGE getEdge() {
      return mEdge;
    }
  
    public float getBorderWidth() {
      return mBorderWidth;
    }
  }
  