Android Open Source - customhellochartdemo Point Value

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Back to project page customhellochartdemo.

License

The source code is released under:

Apache License

Java Source Code

package lecho.lib.hellocharts.model;
/*from w w w. j av a  2 s . co m*/
import lecho.lib.hellocharts.view.Chart;

/**
 * Single point coordinates, used for LineChartData.
 * 
 */
public class PointValue {

  private float x;
  private float y;
  private float orginX;
  private float orginY;
  private float diffX;
  private float diffY;
  private char[] label;

  public PointValue() {
    set(0, 0);
  }

  public PointValue(float x, float y) {
    set(x, y);
  }

  public PointValue(PointValue pointValue) {
    set(pointValue.x, pointValue.y);
    this.label = pointValue.label;
  }

  public void update(float scale) {
    x = orginX + diffX * scale;
    y = orginY + diffY * scale;
  }

  public void finish() {
    set(orginX + diffX, orginY + diffY);
  }

  public PointValue set(float x, float y) {
    this.x = x;
    this.y = y;
    this.orginX = x;
    this.orginY = y;
    this.diffX = 0;
    this.diffY = 0;
    return this;
  }

  /**
   * Set target values that should be reached when data animation finish then call {@link Chart#startDataAnimation()}
   * 
   * @param target
   * @return
   */
  public PointValue setTarget(float targetX, float targetY) {
    set(x, y);
    this.diffX = targetX - orginX;
    this.diffY = targetY - orginY;
    return this;
  }

  public float getX() {
    return this.x;
  }

  public float getY() {
    return this.y;
  }

  public char[] getLabel() {
    return label;
  }

  public PointValue setLabel(char[] label) {
    this.label = label;
    return this;
  }

  @Override
  public String toString() {
    return "PointValue [x=" + x + ", y=" + y + "]";
  }

}

Java Source Code List

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