Java Code Examples for com.github.mikephil.charting.data.PieDataSet#getYVals()
The following examples show how to use
com.github.mikephil.charting.data.PieDataSet#getYVals() .
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Example 1
| Source File: PieChartRenderer.java From iMoney with Apache License 2.0 | 5 votes |
|
protected void drawDataSet(Canvas c, PieDataSet dataSet) {
float angle = mChart.getRotationAngle();
List<Entry> entries = dataSet.getYVals();
float[] drawAngles = mChart.getDrawAngles();
for (int j = 0; j < entries.size(); j++) {
float newangle = drawAngles[j];
float sliceSpace = dataSet.getSliceSpace();
Entry e = entries.get(j);
// draw only if the value is greater than zero
if ((Math.abs(e.getVal()) > 0.000001)) {
if (!mChart.needsHighlight(e.getXIndex(),
mChart.getData().getIndexOfDataSet(dataSet))) {
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawArc(mChart.getCircleBox(),
(angle + sliceSpace / 2f) * mAnimator.getPhaseY(),
(newangle - sliceSpace / 2f) * mAnimator.getPhaseY(),
true, mRenderPaint);
}
}
angle += newangle * mAnimator.getPhaseX();
}
}
Example 2
| Source File: PieChartRenderer.java From iMoney with Apache License 2.0 | 4 votes |
|
@Override
public void drawValues(Canvas c) {
PointF center = mChart.getCenterCircleBox();
// get whole the radius
float r = mChart.getRadius();
float rotationAngle = mChart.getRotationAngle();
float[] drawAngles = mChart.getDrawAngles();
float[] absoluteAngles = mChart.getAbsoluteAngles();
float off = r / 10f * 3.6f;
if (mChart.isDrawHoleEnabled()) {
off = (r - (r / 100f * mChart.getHoleRadius())) / 2f;
}
r -= off; // offset to keep things inside the chart
PieData data = mChart.getData();
List<PieDataSet> dataSets = data.getDataSets();
boolean drawXVals = mChart.isDrawSliceTextEnabled();
int cnt = 0;
for (int i = 0; i < dataSets.size(); i++) {
PieDataSet dataSet = dataSets.get(i);
if (!dataSet.isDrawValuesEnabled() && !drawXVals)
continue;
// apply the text-styling defined by the DataSet
applyValueTextStyle(dataSet);
float lineHeight = Utils.calcTextHeight(mValuePaint, "Q")
+ Utils.convertDpToPixel(4f);
List<Entry> entries = dataSet.getYVals();
for (int j = 0, maxEntry = Math.min(
(int) Math.ceil(entries.size() * mAnimator.getPhaseX()), entries.size()); j < maxEntry; j++) {
Entry entry = entries.get(j);
// offset needed to center the drawn text in the slice
float offset = drawAngles[cnt] / 2;
// calculate the text position
float x = (float) (r
* Math.cos(Math.toRadians((rotationAngle + absoluteAngles[cnt] - offset)
* mAnimator.getPhaseY())) + center.x);
float y = (float) (r
* Math.sin(Math.toRadians((rotationAngle + absoluteAngles[cnt] - offset)
* mAnimator.getPhaseY())) + center.y);
float value = mChart.isUsePercentValuesEnabled() ? entry.getVal()
/ data.getYValueSum() * 100f : entry.getVal();
ValueFormatter formatter = dataSet.getValueFormatter();
boolean drawYVals = dataSet.isDrawValuesEnabled();
// draw everything, depending on settings
if (drawXVals && drawYVals) {
drawValue(c, formatter, value, entry, 0, x, y);
if (j < data.getXValCount())
c.drawText(data.getXVals().get(j), x, y + lineHeight,
mValuePaint);
} else if (drawXVals && !drawYVals) {
if (j < data.getXValCount())
c.drawText(data.getXVals().get(j), x, y + lineHeight / 2f, mValuePaint);
} else if (!drawXVals && drawYVals) {
drawValue(c, formatter, value, entry, 0, x, y + lineHeight / 2f);
}
cnt++;
}
}
}
Example 3
| Source File: PieChartRenderer.java From iMoney with Apache License 2.0 | 4 votes |
|
/**
* This gives all pie-slices a rounded edge.
*
* @param c
*/
protected void drawRoundedSlices(Canvas c) {
if (!mChart.isDrawRoundedSlicesEnabled())
return;
PieDataSet dataSet = mChart.getData().getDataSet();
if (!dataSet.isVisible())
return;
PointF center = mChart.getCenterCircleBox();
float r = mChart.getRadius();
// calculate the radius of the "slice-circle"
float circleRadius = (r - (r * mChart.getHoleRadius() / 100f)) / 2f;
List<Entry> entries = dataSet.getYVals();
float[] drawAngles = mChart.getDrawAngles();
float angle = mChart.getRotationAngle();
for (int j = 0; j < entries.size(); j++) {
float newangle = drawAngles[j];
Entry e = entries.get(j);
// draw only if the value is greater than zero
if ((Math.abs(e.getVal()) > 0.000001)) {
float x = (float) ((r - circleRadius)
* Math.cos(Math.toRadians((angle + newangle)
* mAnimator.getPhaseY())) + center.x);
float y = (float) ((r - circleRadius)
* Math.sin(Math.toRadians((angle + newangle)
* mAnimator.getPhaseY())) + center.y);
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawCircle(x, y, circleRadius, mRenderPaint);
}
angle += newangle * mAnimator.getPhaseX();
}
}
Example 4
| Source File: PieChart.java From Notification-Analyser with MIT License | 4 votes |
|
@Override
protected void drawData() {
float angle = mRotationAngle;
ArrayList<PieDataSet> dataSets = mCurrentData.getDataSets();
int cnt = 0;
for (int i = 0; i < mCurrentData.getDataSetCount(); i++) {
PieDataSet dataSet = dataSets.get(i);
ArrayList<Entry> entries = dataSet.getYVals();
for (int j = 0; j < entries.size(); j++) {
float newangle = mDrawAngles[cnt];
float sliceSpace = dataSet.getSliceSpace();
Entry e = entries.get(j);
// draw only if the value is greater than zero
if ((Math.abs(e.getVal()) > 0.000001)) {
if (!needsHighlight(e.getXIndex(), i)) {
mRenderPaint.setColor(dataSet.getColor(j));
mDrawCanvas.drawArc(mCircleBox, angle + sliceSpace / 2f, newangle * mPhaseY
- sliceSpace / 2f, true, mRenderPaint);
}
// if(sliceSpace > 0f) {
//
// PointF outer = getPosition(c, radius, angle);
// PointF inner = getPosition(c, radius * mHoleRadiusPercent
// / 100f, angle);
// }
}
angle += newangle * mPhaseX;
cnt++;
}
}
}
Example 5
| Source File: PieChart.java From Notification-Analyser with MIT License | 4 votes |
|
@Override
protected void drawValues() {
// if neither xvals nor yvals are drawn, return
if (!mDrawXVals && !mDrawYValues)
return;
PointF center = getCenterCircleBox();
// get whole the radius
float r = getRadius();
float off = r / 2f;
if (mDrawHole) {
off = (r - (r / 100f * mHoleRadiusPercent)) / 2f;
}
r -= off; // offset to keep things inside the chart
ArrayList<PieDataSet> dataSets = mCurrentData.getDataSets();
int cnt = 0;
for (int i = 0; i < mCurrentData.getDataSetCount(); i++) {
PieDataSet dataSet = dataSets.get(i);
ArrayList<Entry> entries = dataSet.getYVals();
for (int j = 0; j < entries.size() * mPhaseX; j++) {
// offset needed to center the drawn text in the slice
float offset = mDrawAngles[cnt] / 2;
// calculate the text position
float x = (float) (r
* Math.cos(Math.toRadians((mRotationAngle + mAbsoluteAngles[cnt] - offset)
* mPhaseY)) + center.x);
float y = (float) (r
* Math.sin(Math.toRadians((mRotationAngle + mAbsoluteAngles[cnt] - offset)
* mPhaseY)) + center.y);
String val = "";
float value = entries.get(j).getVal();
if (mUsePercentValues)
val = mValueFormatter.getFormattedValue(Math.abs(getPercentOfTotal(value)))
+ " %";
else
val = mValueFormatter.getFormattedValue(value);
if (mDrawUnitInChart)
val = val + mUnit;
// draw everything, depending on settings
if (mDrawXVals && mDrawYValues) {
// use ascent and descent to calculate the new line
// position,
// 1.6f is the line spacing
float lineHeight = (mValuePaint.ascent() + mValuePaint.descent()) * 1.6f;
y -= lineHeight / 2;
mDrawCanvas.drawText(val, x, y, mValuePaint);
if (j < mCurrentData.getXValCount())
mDrawCanvas.drawText(mCurrentData.getXVals().get(j), x, y + lineHeight,
mValuePaint);
} else if (mDrawXVals && !mDrawYValues) {
if (j < mCurrentData.getXValCount())
mDrawCanvas.drawText(mCurrentData.getXVals().get(j), x, y, mValuePaint);
} else if (!mDrawXVals && mDrawYValues) {
mDrawCanvas.drawText(val, x, y, mValuePaint);
}
cnt++;
}
}
}
Example 6
| Source File: PieChart.java From iMoney with Apache License 2.0 | 3 votes |
|
/**
* calculates the needed angles for the chart slices
*/
private void calcAngles() {
mDrawAngles = new float[mData.getYValCount()];
mAbsoluteAngles = new float[mData.getYValCount()];
List<PieDataSet> dataSets = mData.getDataSets();
int cnt = 0;
for (int i = 0; i < mData.getDataSetCount(); i++) {
PieDataSet set = dataSets.get(i);
List<Entry> entries = set.getYVals();
for (int j = 0; j < entries.size(); j++) {
mDrawAngles[cnt] = calcAngle(Math.abs(entries.get(j).getVal()));
if (cnt == 0) {
mAbsoluteAngles[cnt] = mDrawAngles[cnt];
} else {
mAbsoluteAngles[cnt] = mAbsoluteAngles[cnt - 1] + mDrawAngles[cnt];
}
cnt++;
}
}
}
Example 7
| Source File: PieChart.java From Notification-Analyser with MIT License | 3 votes |
|
/**
* calculates the needed angles for the chart slices
*/
private void calcAngles() {
mDrawAngles = new float[mCurrentData.getYValCount()];
mAbsoluteAngles = new float[mCurrentData.getYValCount()];
ArrayList<PieDataSet> dataSets = mCurrentData.getDataSets();
int cnt = 0;
for (int i = 0; i < mCurrentData.getDataSetCount(); i++) {
PieDataSet set = dataSets.get(i);
ArrayList<Entry> entries = set.getYVals();
for (int j = 0; j < entries.size(); j++) {
mDrawAngles[cnt] = calcAngle(Math.abs(entries.get(j).getVal()));
if (cnt == 0) {
mAbsoluteAngles[cnt] = mDrawAngles[cnt];
} else {
mAbsoluteAngles[cnt] = mAbsoluteAngles[cnt - 1] + mDrawAngles[cnt];
}
cnt++;
}
}
}
