RangeBarChart.java 文件源码

/**
 * The graphical representation of a series.
 * 
 * @param canvas the canvas to paint to
 * @param paint the paint to be used for drawing
 * @param points the array of points to be used for drawing the series
 * @param seriesRenderer the series renderer
 * @param yAxisValue the minimum value of the y axis
 * @param seriesIndex the index of the series currently being drawn
 * @param startIndex the start index of the rendering points
 */
@Override
public void drawSeries(Canvas canvas, Paint paint, List<Float> points,
    XYSeriesRenderer seriesRenderer, float yAxisValue, int seriesIndex, int startIndex) {
  int seriesNr = mDataset.getSeriesCount();
  int length = points.size();
  paint.setColor(seriesRenderer.getColor());
  paint.setStyle(Style.FILL);
  float halfDiffX = getHalfDiffX(points, length, seriesNr);
  int start = 0;
  if (startIndex > 0) {
    start = 2;
  }
  for (int i = start; i < length; i += 4) {
    if (points.size() > i + 3) {
      float xMin = points.get(i);
      float yMin = points.get(i + 1);
      // xMin = xMax
      float xMax = points.get(i + 2);
      float yMax = points.get(i + 3);
      drawBar(canvas, xMin, yMin, xMax, yMax, halfDiffX, seriesNr, seriesIndex, paint);
    }
  }
  paint.setColor(seriesRenderer.getColor());
}