/**
* initialize degrees on Y axis
*
* <p>Y軸の目盛を初期化
*
* <p>初始化Y轴的坐标值
*/
protected void initAxisX() {
List<String> titleX = new ArrayList<String>();
if (null != stickData && stickData.size() > 0) {
float average = displayNumber / this.getLongitudeNum();
for (int i = 0; i < this.getLongitudeNum(); i++) {
int index = (int) Math.floor(i * average);
if (index > displayNumber - 1) {
index = displayNumber - 1;
}
index = index + displayFrom;
titleX.add(formatAxisXDegree(stickData.get(index).getDate()));
}
titleX.add(formatAxisXDegree(stickData.get(displayFrom + displayNumber - 1).getDate()));
}
super.setLongitudeTitles(titleX);
}
/*
* (non-Javadoc)
*
* @param value
*
* @return
*
* @see
* cn.limc.androidcharts.view.GridChart#getAxisXGraduate(java.lang.Object)
*/
@Override
public String getAxisXGraduate(Object value) {
float graduate = Float.valueOf(super.getAxisXGraduate(value));
int index = (int) Math.floor(graduate * displayNumber);
if (index >= displayNumber) {
index = displayNumber - 1;
} else if (index < 0) {
index = 0;
}
index = index + displayFrom;
return formatAxisXDegree(stickData.get(index).getDate());
}
protected void drawSticks(Canvas canvas) {
if (null == stickData) {
return;
}
if (stickData.size() == 0) {
return;
}
Paint mPaintStick = new Paint();
mPaintStick.setColor(stickFillColor);
float stickWidth = getDataQuadrantPaddingWidth() / displayNumber - stickSpacing;
float stickX = getDataQuadrantPaddingStartX();
for (int i = displayFrom; i < displayFrom + displayNumber; i++) {
IMeasurable stick = stickData.get(i);
float highY =
(float)
((1f - (stick.getHigh() - minValue) / (maxValue - minValue))
* (getDataQuadrantPaddingHeight())
+ getDataQuadrantPaddingStartY());
float lowY =
(float)
((1f - (stick.getLow() - minValue) / (maxValue - minValue))
* (getDataQuadrantPaddingHeight())
+ getDataQuadrantPaddingStartY());
// 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 = stickX + stickSpacing + stickWidth;
}
}
