/**
* add a new stick data to sticks
*
* <p>新しいスティックデータを追加する
*
* <p>追加一条新数据
*
* @param entity
* <p>data
* <p>データ
* <p>新数据
*/
public void addData(StickEntity entity) {
if (null != entity) {
// data is null or empty
if (null == StickData || 0 == StickData.size()) {
StickData = new ArrayList<StickEntity>();
this.maxValue = ((int) entity.getHigh()) / 100 * 100;
}
// add
this.StickData.add(entity);
if (this.maxValue < entity.getHigh()) {
this.maxValue = 100 + ((int) entity.getHigh()) / 100 * 100;
}
if (StickData.size() > maxSticksNum) {
maxSticksNum = maxSticksNum + 1;
}
}
}
/**
* draw sticks
*
* <p>スティックを書く
*
* <p>绘制柱条
*
* @param canvas
*/
protected void drawSticks(Canvas canvas) {
float stickWidth =
((super.getWidth() - super.getAxisMarginLeft() - super.getAxisMarginRight()) / maxSticksNum)
- 1;
float stickX = super.getAxisMarginLeft() + 1;
Paint mPaintStick = new Paint();
mPaintStick.setColor(stickFillColor);
if (null != StickData) {
for (int i = 0; i < StickData.size(); i++) {
StickEntity ohlc = StickData.get(i);
float highY =
(float)
((1f - (ohlc.getHigh() - minValue) / (maxValue - minValue))
* (super.getHeight() - super.getAxisMarginBottom())
- super.getAxisMarginTop());
float lowY =
(float)
((1f - (ohlc.getLow() - minValue) / (maxValue - minValue))
* (super.getHeight() - super.getAxisMarginBottom())
- super.getAxisMarginTop());
// stick or line?
if (stickWidth >= 2f) {
canvas.drawRect(stickX, highY, stickX + stickWidth, lowY, mPaintStick);
} else {
canvas.drawLine(stickX, highY, stickX, lowY, mPaintStick);
}
// next x
stickX = xAxisOffset + stickX + 1 + stickWidth;
}
}
}