/**
* 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);
for (int i = 0; i < length; i += 2) {
float x = points.get(i);
float y = points.get(i + 1);
if (mType == Type.HEAPED && seriesIndex > 0) {
float lastY = mPreviousSeriesPoints.get(i + 1);
y = y + (lastY - yAxisValue);
points.set(i + 1, y);
drawBar(canvas, x, lastY, x, y, halfDiffX, seriesNr, seriesIndex, paint);
} else {
drawBar(canvas, x, yAxisValue, x, y, halfDiffX, seriesNr, seriesIndex, paint);
}
}
paint.setColor(seriesRenderer.getColor());
mPreviousSeriesPoints = points;
}
/**
* The graphical representation of the series values as text.
*
* @param canvas the canvas to paint to
* @param series the series to be painted
* @param renderer the series renderer
* @param paint the paint to be used for drawing
* @param points the array of points to be used for drawing the series
* @param seriesIndex the index of the series currently being drawn
* @param startIndex the start index of the rendering points
*/
protected void drawChartValuesText(
Canvas canvas,
XYSeries series,
XYSeriesRenderer renderer,
Paint paint,
List<Float> points,
int seriesIndex,
int startIndex) {
int seriesNr = mDataset.getSeriesCount();
int length = points.size();
float halfDiffX = getHalfDiffX(points, length, seriesNr);
for (int i = 0; i < length; i += 2) {
int index = startIndex + i / 2;
double value = series.getY(index);
if (!isNullValue(value)) {
float x = points.get(i);
if (mType == Type.DEFAULT) {
x += seriesIndex * 2 * halfDiffX - (seriesNr - 1.5f) * halfDiffX;
}
if (value >= 0) {
drawText(
canvas,
getLabel(renderer.getChartValuesFormat(), value),
x,
points.get(i + 1) - renderer.getChartValuesSpacing(),
paint,
0);
} else {
drawText(
canvas,
getLabel(renderer.getChartValuesFormat(), value),
x,
points.get(i + 1)
+ renderer.getChartValuesTextSize()
+ renderer.getChartValuesSpacing()
- 3,
paint,
0);
}
}
}
}