Java Code Examples for com.github.mikephil.charting.interfaces.datasets.IPieDataSet#getEntryCount()
The following examples show how to use
com.github.mikephil.charting.interfaces.datasets.IPieDataSet#getEntryCount() .
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Example 1
| Source File: PieChartRenderer.java From StockChart-MPAndroidChart with MIT License | 5 votes |
|
@Override
public void drawData(Canvas c) {
int width = (int) mViewPortHandler.getChartWidth();
int height = (int) mViewPortHandler.getChartHeight();
Bitmap drawBitmap = mDrawBitmap == null ? null : mDrawBitmap.get();
if (drawBitmap == null
|| (drawBitmap.getWidth() != width)
|| (drawBitmap.getHeight() != height)) {
if (width > 0 && height > 0) {
drawBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444);
mDrawBitmap = new WeakReference<>(drawBitmap);
mBitmapCanvas = new Canvas(drawBitmap);
} else {
return;
}
}
drawBitmap.eraseColor(Color.TRANSPARENT);
PieData pieData = mChart.getData();
for (IPieDataSet set : pieData.getDataSets()) {
if (set.isVisible() && set.getEntryCount() > 0) {
drawDataSet(c, set);
}
}
}
Example 2
| Source File: PieChartRenderer.java From Ticket-Analysis with MIT License | 5 votes |
|
@Override
public void drawData(Canvas c) {
int width = (int) mViewPortHandler.getChartWidth();
int height = (int) mViewPortHandler.getChartHeight();
if (mDrawBitmap == null
|| (mDrawBitmap.get().getWidth() != width)
|| (mDrawBitmap.get().getHeight() != height)) {
if (width > 0 && height > 0) {
mDrawBitmap = new WeakReference<Bitmap>(Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444));
mBitmapCanvas = new Canvas(mDrawBitmap.get());
} else
return;
}
mDrawBitmap.get().eraseColor(Color.TRANSPARENT);
PieData pieData = mChart.getData();
for (IPieDataSet set : pieData.getDataSets()) {
if (set.isVisible() && set.getEntryCount() > 0)
drawDataSet(c, set);
}
}
Example 3
| Source File: PieChartRenderer.java From android-kline with Apache License 2.0 | 5 votes |
|
@Override
public void drawData(Canvas c) {
int width = (int) mViewPortHandler.getChartWidth();
int height = (int) mViewPortHandler.getChartHeight();
if (mDrawBitmap == null
|| (mDrawBitmap.get().getWidth() != width)
|| (mDrawBitmap.get().getHeight() != height)) {
if (width > 0 && height > 0) {
mDrawBitmap = new WeakReference<Bitmap>(Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444));
mBitmapCanvas = new Canvas(mDrawBitmap.get());
} else
return;
}
mDrawBitmap.get().eraseColor(Color.TRANSPARENT);
PieData pieData = mChart.getData();
for (IPieDataSet set : pieData.getDataSets()) {
if (set.isVisible() && set.getEntryCount() > 0)
drawDataSet(c, set);
}
}
Example 4
| Source File: PieChartRenderer.java From Stayfit with Apache License 2.0 | 5 votes |
|
@Override
public void drawData(Canvas c) {
int width = (int) mViewPortHandler.getChartWidth();
int height = (int) mViewPortHandler.getChartHeight();
if (mDrawBitmap == null
|| (mDrawBitmap.get().getWidth() != width)
|| (mDrawBitmap.get().getHeight() != height)) {
if (width > 0 && height > 0) {
mDrawBitmap = new WeakReference<Bitmap>(Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444));
mBitmapCanvas = new Canvas(mDrawBitmap.get());
} else
return;
}
mDrawBitmap.get().eraseColor(Color.TRANSPARENT);
PieData pieData = mChart.getData();
for (IPieDataSet set : pieData.getDataSets()) {
if (set.isVisible() && set.getEntryCount() > 0)
drawDataSet(c, set);
}
}
Example 5
| Source File: PieChartRenderer.java From NetKnight with Apache License 2.0 | 5 votes |
|
@Override
public void drawData(Canvas c) {
int width = (int) mViewPortHandler.getChartWidth();
int height = (int) mViewPortHandler.getChartHeight();
if (mDrawBitmap == null
|| (mDrawBitmap.get().getWidth() != width)
|| (mDrawBitmap.get().getHeight() != height)) {
if (width > 0 && height > 0) {
mDrawBitmap = new WeakReference<Bitmap>(Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444));
mBitmapCanvas = new Canvas(mDrawBitmap.get());
} else
return;
}
mDrawBitmap.get().eraseColor(Color.TRANSPARENT);
PieData pieData = mChart.getData();
for (IPieDataSet set : pieData.getDataSets()) {
if (set.isVisible() && set.getEntryCount() > 0)
drawDataSet(c, set);
}
}
Example 6
| Source File: PieChart.java From StockChart-MPAndroidChart with MIT License | 4 votes |
|
/**
* calculates the needed angles for the chart slices
*/
private void calcAngles() {
int entryCount = mData.getEntryCount();
if (mDrawAngles.length != entryCount) {
mDrawAngles = new float[entryCount];
} else {
for (int i = 0; i < entryCount; i++) {
mDrawAngles[i] = 0;
}
}
if (mAbsoluteAngles.length != entryCount) {
mAbsoluteAngles = new float[entryCount];
} else {
for (int i = 0; i < entryCount; i++) {
mAbsoluteAngles[i] = 0;
}
}
float yValueSum = mData.getYValueSum();
List<IPieDataSet> dataSets = mData.getDataSets();
boolean hasMinAngle = mMinAngleForSlices != 0f && entryCount * mMinAngleForSlices <= mMaxAngle;
float[] minAngles = new float[entryCount];
int cnt = 0;
float offset = 0f;
float diff = 0f;
for (int i = 0; i < mData.getDataSetCount(); i++) {
IPieDataSet set = dataSets.get(i);
for (int j = 0; j < set.getEntryCount(); j++) {
float drawAngle = calcAngle(Math.abs(set.getEntryForIndex(j).getY()), yValueSum);
if (hasMinAngle) {
float temp = drawAngle - mMinAngleForSlices;
if (temp <= 0) {
minAngles[cnt] = mMinAngleForSlices;
offset += -temp;
} else {
minAngles[cnt] = drawAngle;
diff += temp;
}
}
mDrawAngles[cnt] = drawAngle;
if (cnt == 0) {
mAbsoluteAngles[cnt] = mDrawAngles[cnt];
} else {
mAbsoluteAngles[cnt] = mAbsoluteAngles[cnt - 1] + mDrawAngles[cnt];
}
cnt++;
}
}
if (hasMinAngle) {
// Correct bigger slices by relatively reducing their angles based on the total angle needed to subtract
// This requires that `entryCount * mMinAngleForSlices <= mMaxAngle` be true to properly work!
for (int i = 0; i < entryCount; i++) {
minAngles[i] -= (minAngles[i] - mMinAngleForSlices) / diff * offset;
if (i == 0) {
mAbsoluteAngles[0] = minAngles[0];
} else {
mAbsoluteAngles[i] = mAbsoluteAngles[i - 1] + minAngles[i];
}
}
mDrawAngles = minAngles;
}
}
Example 7
| Source File: PieChartRenderer.java From StockChart-MPAndroidChart with MIT License | 4 votes |
|
/**
* This gives all pie-slices a rounded edge.
*
* @param c
*/
protected void drawRoundedSlices(Canvas c) {
if (!mChart.isDrawRoundedSlicesEnabled()) {
return;
}
IPieDataSet dataSet = mChart.getData().getDataSet();
if (!dataSet.isVisible()) {
return;
}
float phaseX = mAnimator.getPhaseX();
float phaseY = mAnimator.getPhaseY();
MPPointF center = mChart.getCenterCircleBox();
float r = mChart.getRadius();
// calculate the radius of the "slice-circle"
float circleRadius = (r - (r * mChart.getHoleRadius() / 100f)) / 2f;
float[] drawAngles = mChart.getDrawAngles();
float angle = mChart.getRotationAngle();
for (int j = 0; j < dataSet.getEntryCount(); j++) {
float sliceAngle = drawAngles[j];
Entry e = dataSet.getEntryForIndex(j);
// draw only if the value is greater than zero
if ((Math.abs(e.getY()) > Utils.FLOAT_EPSILON)) {
float x = (float) ((r - circleRadius)
* Math.cos(Math.toRadians((angle + sliceAngle)
* phaseY)) + center.x);
float y = (float) ((r - circleRadius)
* Math.sin(Math.toRadians((angle + sliceAngle)
* phaseY)) + center.y);
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawCircle(x, y, circleRadius, mRenderPaint);
}
angle += sliceAngle * phaseX;
}
MPPointF.recycleInstance(center);
}
Example 8
| Source File: PieChart.java From Ticket-Analysis with MIT License | 4 votes |
|
/**
* calculates the needed angles for the chart slices
*/
private void calcAngles() {
int entryCount = mData.getEntryCount();
if (mDrawAngles.length != entryCount) {
mDrawAngles = new float[entryCount];
} else {
for (int i = 0; i < entryCount; i++) {
mDrawAngles[i] = 0;
}
}
if (mAbsoluteAngles.length != entryCount) {
mAbsoluteAngles = new float[entryCount];
} else {
for (int i = 0; i < entryCount; i++) {
mAbsoluteAngles[i] = 0;
}
}
float yValueSum = mData.getYValueSum();
List<IPieDataSet> dataSets = mData.getDataSets();
int cnt = 0;
for (int i = 0; i < mData.getDataSetCount(); i++) {
IPieDataSet set = dataSets.get(i);
for (int j = 0; j < set.getEntryCount(); j++) {
mDrawAngles[cnt] = calcAngle(Math.abs(set.getEntryForIndex(j).getY()), yValueSum);
if (cnt == 0) {
mAbsoluteAngles[cnt] = mDrawAngles[cnt];
} else {
mAbsoluteAngles[cnt] = mAbsoluteAngles[cnt - 1] + mDrawAngles[cnt];
}
cnt++;
}
}
}
Example 9
| Source File: PieChartRenderer.java From Ticket-Analysis with MIT License | 4 votes |
|
/**
* This gives all pie-slices a rounded edge.
*
* @param c
*/
protected void drawRoundedSlices(Canvas c) {
if (!mChart.isDrawRoundedSlicesEnabled())
return;
IPieDataSet dataSet = mChart.getData().getDataSet();
if (!dataSet.isVisible())
return;
float phaseX = mAnimator.getPhaseX();
float phaseY = mAnimator.getPhaseY();
MPPointF center = mChart.getCenterCircleBox();
float r = mChart.getRadius();
// calculate the radius of the "slice-circle"
float circleRadius = (r - (r * mChart.getHoleRadius() / 100f)) / 2f;
float[] drawAngles = mChart.getDrawAngles();
float angle = mChart.getRotationAngle();
for (int j = 0; j < dataSet.getEntryCount(); j++) {
float sliceAngle = drawAngles[j];
Entry e = dataSet.getEntryForIndex(j);
// draw only if the value is greater than zero
if ((Math.abs(e.getY()) > Utils.FLOAT_EPSILON)) {
float x = (float) ((r - circleRadius)
* Math.cos(Math.toRadians((angle + sliceAngle)
* phaseY)) + center.x);
float y = (float) ((r - circleRadius)
* Math.sin(Math.toRadians((angle + sliceAngle)
* phaseY)) + center.y);
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawCircle(x, y, circleRadius, mRenderPaint);
}
angle += sliceAngle * phaseX;
}
MPPointF.recycleInstance(center);
}
Example 10
| Source File: PieChart.java From android-kline with Apache License 2.0 | 4 votes |
|
/**
* calculates the needed angles for the chart slices
*/
private void calcAngles() {
int entryCount = mData.getEntryCount();
if (mDrawAngles.length != entryCount) {
mDrawAngles = new float[entryCount];
} else {
for (int i = 0; i < entryCount; i++) {
mDrawAngles[i] = 0;
}
}
if (mAbsoluteAngles.length != entryCount) {
mAbsoluteAngles = new float[entryCount];
} else {
for (int i = 0; i < entryCount; i++) {
mAbsoluteAngles[i] = 0;
}
}
float yValueSum = mData.getYValueSum();
List<IPieDataSet> dataSets = mData.getDataSets();
int cnt = 0;
for (int i = 0; i < mData.getDataSetCount(); i++) {
IPieDataSet set = dataSets.get(i);
for (int j = 0; j < set.getEntryCount(); j++) {
mDrawAngles[cnt] = calcAngle(Math.abs(set.getEntryForIndex(j).getY()), yValueSum);
if (cnt == 0) {
mAbsoluteAngles[cnt] = mDrawAngles[cnt];
} else {
mAbsoluteAngles[cnt] = mAbsoluteAngles[cnt - 1] + mDrawAngles[cnt];
}
cnt++;
}
}
}
Example 11
| Source File: PieChartRenderer.java From android-kline 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;
IPieDataSet dataSet = mChart.getData().getDataSet();
if (!dataSet.isVisible())
return;
float phaseX = mAnimator.getPhaseX();
float phaseY = mAnimator.getPhaseY();
MPPointF center = mChart.getCenterCircleBox();
float r = mChart.getRadius();
// calculate the radius of the "slice-circle"
float circleRadius = (r - (r * mChart.getHoleRadius() / 100f)) / 2f;
float[] drawAngles = mChart.getDrawAngles();
float angle = mChart.getRotationAngle();
for (int j = 0; j < dataSet.getEntryCount(); j++) {
float sliceAngle = drawAngles[j];
Entry e = dataSet.getEntryForIndex(j);
// draw only if the value is greater than zero
if ((Math.abs(e.getY()) > Utils.FLOAT_EPSILON)) {
float x = (float) ((r - circleRadius)
* Math.cos(Math.toRadians((angle + sliceAngle)
* phaseY)) + center.x);
float y = (float) ((r - circleRadius)
* Math.sin(Math.toRadians((angle + sliceAngle)
* phaseY)) + center.y);
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawCircle(x, y, circleRadius, mRenderPaint);
}
angle += sliceAngle * phaseX;
}
MPPointF.recycleInstance(center);
}
Example 12
| Source File: PieChartRenderer.java From Stayfit 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;
IPieDataSet dataSet = mChart.getData().getDataSet();
if (!dataSet.isVisible())
return;
float phaseX = mAnimator.getPhaseX();
float phaseY = mAnimator.getPhaseY();
PointF center = mChart.getCenterCircleBox();
float r = mChart.getRadius();
// calculate the radius of the "slice-circle"
float circleRadius = (r - (r * mChart.getHoleRadius() / 100f)) / 2f;
float[] drawAngles = mChart.getDrawAngles();
float angle = mChart.getRotationAngle();
for (int j = 0; j < dataSet.getEntryCount(); j++) {
float sliceAngle = drawAngles[j];
Entry e = dataSet.getEntryForIndex(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 + sliceAngle)
* phaseY)) + center.x);
float y = (float) ((r - circleRadius)
* Math.sin(Math.toRadians((angle + sliceAngle)
* phaseY)) + center.y);
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawCircle(x, y, circleRadius, mRenderPaint);
}
angle += sliceAngle * phaseX;
}
}
Example 13
| Source File: PieChartRenderer.java From NetKnight 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;
IPieDataSet dataSet = mChart.getData().getDataSet();
if (!dataSet.isVisible())
return;
float phaseX = mAnimator.getPhaseX();
float phaseY = mAnimator.getPhaseY();
PointF center = mChart.getCenterCircleBox();
float r = mChart.getRadius();
// calculate the radius of the "slice-circle"
float circleRadius = (r - (r * mChart.getHoleRadius() / 100f)) / 2f;
float[] drawAngles = mChart.getDrawAngles();
float angle = mChart.getRotationAngle();
for (int j = 0; j < dataSet.getEntryCount(); j++) {
float sliceAngle = drawAngles[j];
Entry e = dataSet.getEntryForIndex(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 + sliceAngle)
* phaseY)) + center.x);
float y = (float) ((r - circleRadius)
* Math.sin(Math.toRadians((angle + sliceAngle)
* phaseY)) + center.y);
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawCircle(x, y, circleRadius, mRenderPaint);
}
angle += sliceAngle * phaseX;
}
}
Example 14
| Source File: PieChart.java From Stayfit 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()];
float yValueSum = mData.getYValueSum();
List<IPieDataSet> dataSets = mData.getDataSets();
int cnt = 0;
for (int i = 0; i < mData.getDataSetCount(); i++) {
IPieDataSet set = dataSets.get(i);
for (int j = 0; j < set.getEntryCount(); j++) {
mDrawAngles[cnt] = calcAngle(Math.abs(set.getEntryForIndex(j).getVal()), yValueSum);
if (cnt == 0) {
mAbsoluteAngles[cnt] = mDrawAngles[cnt];
} else {
mAbsoluteAngles[cnt] = mAbsoluteAngles[cnt - 1] + mDrawAngles[cnt];
}
cnt++;
}
}
}
Example 15
| Source File: PieChart.java From NetKnight 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()];
float yValueSum = mData.getYValueSum();
List<IPieDataSet> dataSets = mData.getDataSets();
int cnt = 0;
for (int i = 0; i < mData.getDataSetCount(); i++) {
IPieDataSet set = dataSets.get(i);
for (int j = 0; j < set.getEntryCount(); j++) {
mDrawAngles[cnt] = calcAngle(Math.abs(set.getEntryForIndex(j).getVal()), yValueSum);
if (cnt == 0) {
mAbsoluteAngles[cnt] = mDrawAngles[cnt];
} else {
mAbsoluteAngles[cnt] = mAbsoluteAngles[cnt - 1] + mDrawAngles[cnt];
}
cnt++;
}
}
}
