Java Code Examples for com.github.mikephil.charting.data.Entry#getX()
The following examples show how to use
com.github.mikephil.charting.data.Entry#getX() .
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Example 1
| Source File: HorizontalBarChart.java From StockChart-MPAndroidChart with MIT License | 6 votes |
|
/**
* Returns a recyclable MPPointF instance.
*
* @param e
* @param axis
* @return
*/
@Override
public MPPointF getPosition(Entry e, AxisDependency axis) {
if (e == null) {
return null;
}
float[] vals = mGetPositionBuffer;
vals[0] = e.getY();
vals[1] = e.getX();
getTransformer(axis).pointValuesToPixel(vals);
return MPPointF.getInstance(vals[0], vals[1]);
}
Example 2
| Source File: InfoViewListener.java From android-kline with Apache License 2.0 | 6 votes |
|
@Override
public void onValueSelected(Entry e, Highlight h) {
int x = (int) e.getX();
if (x < mList.size()) {
mInfoView.setVisibility(View.VISIBLE);
mInfoView.setData(mLastClose, mList.get(x));
}
FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) mInfoView.getLayoutParams();
if (h.getXPx() < mWidth / 2) {
lp.gravity = Gravity.RIGHT;
} else {
lp.gravity = Gravity.LEFT;
}
mInfoView.setLayoutParams(lp);
if (mOtherChart != null) {
for (Chart aMOtherChart : mOtherChart) {
aMOtherChart.highlightValues(new Highlight[]{new Highlight(h.getX(), Float.NaN, h.getDataSetIndex())});
}
}
}
Example 3
| Source File: Transformer.java From Ticket-Analysis with MIT License | 5 votes |
|
/**
* Transforms an List of Entry into a float array containing the x and
* y values transformed with all matrices for the SCATTERCHART.
*
* @param data
* @return
*/
public float[] generateTransformedValuesScatter(IScatterDataSet data, float phaseX,
float phaseY, int from, int to) {
final int count = (int) ((to - from) * phaseX + 1) * 2;
if (valuePointsForGenerateTransformedValuesScatter.length != count) {
valuePointsForGenerateTransformedValuesScatter = new float[count];
}
float[] valuePoints = valuePointsForGenerateTransformedValuesScatter;
for (int j = 0; j < count; j += 2) {
Entry e = data.getEntryForIndex(j / 2 + from);
if (e != null) {
valuePoints[j] = e.getX();
valuePoints[j + 1] = e.getY() * phaseY;
} else {
valuePoints[j] = 0;
valuePoints[j + 1] = 0;
}
}
getValueToPixelMatrix().mapPoints(valuePoints);
return valuePoints;
}
Example 4
| Source File: HorizontalBarChart.java From android-kline with Apache License 2.0 | 5 votes |
|
/**
* Returns a recyclable MPPointF instance.
*
* @param e
* @param axis
* @return
*/
@Override
public MPPointF getPosition(Entry e, AxisDependency axis) {
if (e == null)
return null;
float[] vals = mGetPositionBuffer;
vals[0] = e.getY();
vals[1] = e.getX();
getTransformer(axis).pointValuesToPixel(vals);
return MPPointF.getInstance(vals[0], vals[1]);
}
Example 5
| Source File: HorizontalBarChart.java From Ticket-Analysis with MIT License | 5 votes |
|
/**
* Returns a recyclable MPPointF instance.
*
* @param e
* @param axis
* @return
*/
@Override
public MPPointF getPosition(Entry e, AxisDependency axis) {
if (e == null)
return null;
float[] vals = mGetPositionBuffer;
vals[0] = e.getY();
vals[1] = e.getX();
getTransformer(axis).pointValuesToPixel(vals);
return MPPointF.getInstance(vals[0], vals[1]);
}
Example 6
| Source File: Transformer.java From Ticket-Analysis with MIT License | 5 votes |
|
/**
* Transforms an List of Entry into a float array containing the x and
* y values transformed with all matrices for the BUBBLECHART.
*
* @param data
* @return
*/
public float[] generateTransformedValuesBubble(IBubbleDataSet data, float phaseY, int from, int to) {
final int count = (to - from + 1) * 2; // (int) Math.ceil((to - from) * phaseX) * 2;
if (valuePointsForGenerateTransformedValuesBubble.length != count) {
valuePointsForGenerateTransformedValuesBubble = new float[count];
}
float[] valuePoints = valuePointsForGenerateTransformedValuesBubble;
for (int j = 0; j < count; j += 2) {
Entry e = data.getEntryForIndex(j / 2 + from);
if (e != null) {
valuePoints[j] = e.getX();
valuePoints[j + 1] = e.getY() * phaseY;
} else {
valuePoints[j] = 0;
valuePoints[j + 1] = 0;
}
}
getValueToPixelMatrix().mapPoints(valuePoints);
return valuePoints;
}
Example 7
| Source File: Transformer.java From StockChart-MPAndroidChart with MIT License | 5 votes |
|
/**
* Transforms an List of Entry into a float array containing the x and
* y values transformed with all matrices for the LINECHART.
*
* @param data
* @return
*/
public float[] generateTransformedValuesLine(ILineDataSet data,
float phaseX, float phaseY,
int min, int max) {
final int count = ((int) ((max - min) * phaseX) + 1) * 2;
if (valuePointsForGenerateTransformedValuesLine.length != count) {
valuePointsForGenerateTransformedValuesLine = new float[count];
}
float[] valuePoints = valuePointsForGenerateTransformedValuesLine;
for (int j = 0; j < count; j += 2) {
Entry e = data.getEntryForIndex(j / 2 + min);
if (e != null) {
valuePoints[j] = e.getX();
valuePoints[j + 1] = e.getY() * phaseY;
} else {
valuePoints[j] = 0;
valuePoints[j + 1] = 0;
}
}
getValueToPixelMatrix().mapPoints(valuePoints);
return valuePoints;
}
Example 8
| Source File: Transformer.java From android-kline with Apache License 2.0 | 5 votes |
|
/**
* Transforms an List of Entry into a float array containing the x and
* y values transformed with all matrices for the SCATTERCHART.
*
* @param data
* @return
*/
public float[] generateTransformedValuesScatter(IScatterDataSet data, float phaseX,
float phaseY, int from, int to) {
final int count = (int) ((to - from) * phaseX + 1) * 2;
if (valuePointsForGenerateTransformedValuesScatter.length != count) {
valuePointsForGenerateTransformedValuesScatter = new float[count];
}
float[] valuePoints = valuePointsForGenerateTransformedValuesScatter;
for (int j = 0; j < count; j += 2) {
Entry e = data.getEntryForIndex(j / 2 + from);
if (e != null) {
valuePoints[j] = e.getX();
valuePoints[j + 1] = e.getY() * phaseY;
} else {
valuePoints[j] = 0;
valuePoints[j + 1] = 0;
}
}
getValueToPixelMatrix().mapPoints(valuePoints);
return valuePoints;
}
Example 9
| Source File: Transformer.java From android-kline with Apache License 2.0 | 5 votes |
|
/**
* Transforms an List of Entry into a float array containing the x and
* y values transformed with all matrices for the BUBBLECHART.
*
* @param data
* @return
*/
public float[] generateTransformedValuesBubble(IBubbleDataSet data, float phaseY, int from, int to) {
final int count = (to - from + 1) * 2; // (int) Math.ceil((to - from) * phaseX) * 2;
if (valuePointsForGenerateTransformedValuesBubble.length != count) {
valuePointsForGenerateTransformedValuesBubble = new float[count];
}
float[] valuePoints = valuePointsForGenerateTransformedValuesBubble;
for (int j = 0; j < count; j += 2) {
Entry e = data.getEntryForIndex(j / 2 + from);
if (e != null) {
valuePoints[j] = e.getX();
valuePoints[j + 1] = e.getY() * phaseY;
} else {
valuePoints[j] = 0;
valuePoints[j + 1] = 0;
}
}
getValueToPixelMatrix().mapPoints(valuePoints);
return valuePoints;
}
Example 10
| Source File: BarLineChartBase.java From StockChart-MPAndroidChart with MIT License | 5 votes |
|
/**
* Returns a recyclable MPPointF instance.
* Returns the position (in pixels) the provided Entry has inside the chart
* view or null, if the provided Entry is null.
*
* @param e
* @return
*/
public MPPointF getPosition(Entry e, AxisDependency axis) {
if (e == null) {
return null;
}
mGetPositionBuffer[0] = e.getX();
mGetPositionBuffer[1] = e.getY();
getTransformer(axis).pointValuesToPixel(mGetPositionBuffer);
return MPPointF.getInstance(mGetPositionBuffer[0], mGetPositionBuffer[1]);
}
Example 11
| Source File: Transformer.java From Ticket-Analysis with MIT License | 5 votes |
|
/**
* Transforms an List of Entry into a float array containing the x and
* y values transformed with all matrices for the LINECHART.
*
* @param data
* @return
*/
public float[] generateTransformedValuesLine(ILineDataSet data,
float phaseX, float phaseY,
int min, int max) {
final int count = ((int) ((max - min) * phaseX) + 1) * 2;
if (valuePointsForGenerateTransformedValuesLine.length != count) {
valuePointsForGenerateTransformedValuesLine = new float[count];
}
float[] valuePoints = valuePointsForGenerateTransformedValuesLine;
for (int j = 0; j < count; j += 2) {
Entry e = data.getEntryForIndex(j / 2 + min);
if (e != null) {
valuePoints[j] = e.getX();
valuePoints[j + 1] = e.getY() * phaseY;
} else {
valuePoints[j] = 0;
valuePoints[j + 1] = 0;
}
}
getValueToPixelMatrix().mapPoints(valuePoints);
return valuePoints;
}
Example 12
| Source File: LineChartRenderer.java From android-kline with Apache License 2.0 | 4 votes |
|
protected void drawCircles(Canvas c) {
mRenderPaint.setStyle(Paint.Style.FILL);
float phaseY = mAnimator.getPhaseY();
mCirclesBuffer[0] = 0;
mCirclesBuffer[1] = 0;
List<ILineDataSet> dataSets = mChart.getLineData().getDataSets();
for (int i = 0; i < dataSets.size(); i++) {
ILineDataSet dataSet = dataSets.get(i);
if (!dataSet.isVisible() || !dataSet.isDrawCirclesEnabled() ||
dataSet.getEntryCount() == 0)
continue;
mCirclePaintInner.setColor(dataSet.getCircleHoleColor());
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
mXBounds.set(mChart, dataSet);
float circleRadius = dataSet.getCircleRadius();
float circleHoleRadius = dataSet.getCircleHoleRadius();
boolean drawCircleHole = dataSet.isDrawCircleHoleEnabled() &&
circleHoleRadius < circleRadius &&
circleHoleRadius > 0.f;
boolean drawTransparentCircleHole = drawCircleHole &&
dataSet.getCircleHoleColor() == ColorTemplate.COLOR_NONE;
DataSetImageCache imageCache;
if (mImageCaches.containsKey(dataSet)) {
imageCache = mImageCaches.get(dataSet);
} else {
imageCache = new DataSetImageCache();
mImageCaches.put(dataSet, imageCache);
}
boolean changeRequired = imageCache.init(dataSet);
// only fill the cache with new bitmaps if a change is required
if (changeRequired) {
imageCache.fill(dataSet, drawCircleHole, drawTransparentCircleHole);
}
int boundsRangeCount = mXBounds.range + mXBounds.min;
for (int j = mXBounds.min; j <= boundsRangeCount; j++) {
Entry e = dataSet.getEntryForIndex(j);
if (e == null) break;
mCirclesBuffer[0] = e.getX();
mCirclesBuffer[1] = e.getY() * phaseY;
trans.pointValuesToPixel(mCirclesBuffer);
if (!mViewPortHandler.isInBoundsRight(mCirclesBuffer[0]))
break;
if (!mViewPortHandler.isInBoundsLeft(mCirclesBuffer[0]) ||
!mViewPortHandler.isInBoundsY(mCirclesBuffer[1]))
continue;
Bitmap circleBitmap = imageCache.getBitmap(j);
if (circleBitmap != null) {
c.drawBitmap(circleBitmap, mCirclesBuffer[0] - circleRadius, mCirclesBuffer[1] - circleRadius, null);
}
}
}
}
Example 13
| Source File: LineChartRenderer.java From StockChart-MPAndroidChart with MIT License | 4 votes |
|
protected void drawCircles(Canvas c) {
mRenderPaint.setStyle(Paint.Style.FILL);
float phaseY = mAnimator.getPhaseY();
mCirclesBuffer[0] = 0;
mCirclesBuffer[1] = 0;
List<ILineDataSet> dataSets = mChart.getLineData().getDataSets();
for (int i = 0; i < dataSets.size(); i++) {
ILineDataSet dataSet = dataSets.get(i);
if (!dataSet.isVisible() || !dataSet.isDrawCirclesEnabled() ||
dataSet.getEntryCount() == 0) {
continue;
}
mCirclePaintInner.setColor(dataSet.getCircleHoleColor());
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
mXBounds.set(mChart, dataSet);
float circleRadius = dataSet.getCircleRadius();
float circleHoleRadius = dataSet.getCircleHoleRadius();
boolean drawCircleHole = dataSet.isDrawCircleHoleEnabled() &&
circleHoleRadius < circleRadius &&
circleHoleRadius > 0.f;
boolean drawTransparentCircleHole = drawCircleHole &&
dataSet.getCircleHoleColor() == ColorTemplate.COLOR_NONE;
DataSetImageCache imageCache;
if (mImageCaches.containsKey(dataSet)) {
imageCache = mImageCaches.get(dataSet);
} else {
imageCache = new DataSetImageCache();
mImageCaches.put(dataSet, imageCache);
}
boolean changeRequired = imageCache.init(dataSet);
// only fill the cache with new bitmaps if a change is required
if (changeRequired) {
imageCache.fill(dataSet, drawCircleHole, drawTransparentCircleHole);
}
int boundsRangeCount = mXBounds.range + mXBounds.min;
for (int j = mXBounds.min; j <= boundsRangeCount; j++) {
Entry e = dataSet.getEntryForIndex(j);
if (e == null) {
break;
}
mCirclesBuffer[0] = e.getX();
mCirclesBuffer[1] = e.getY() * phaseY;
trans.pointValuesToPixel(mCirclesBuffer);
if (!mViewPortHandler.isInBoundsRight(mCirclesBuffer[0])) {
break;
}
if (!mViewPortHandler.isInBoundsLeft(mCirclesBuffer[0]) ||
!mViewPortHandler.isInBoundsY(mCirclesBuffer[1])) {
continue;
}
Bitmap circleBitmap = imageCache.getBitmap(j);
if (circleBitmap != null) {
c.drawBitmap(circleBitmap, mCirclesBuffer[0] - circleRadius, mCirclesBuffer[1] - circleRadius, null);
}
}
}
}
Example 14
| Source File: AppLineChartRenderer.java From android-kline with Apache License 2.0 | 4 votes |
|
protected void drawLastPointCircle(Canvas c) {
mRenderPaint.setStyle(Paint.Style.FILL);
float phaseY = mAnimator.getPhaseY();
mCirclesBuffer[0] = 0;
mCirclesBuffer[1] = 0;
List<ILineDataSet> dataSets = mChart.getLineData().getDataSets();
for (int i = 0; i < dataSets.size(); i++) {
ILineDataSet dataSet = dataSets.get(i);
if (!dataSet.isVisible() /*|| !dataSet.isDrawCirclesEnabled()*/ ||
dataSet.getEntryCount() == 0)
continue;
mRenderPaint.setColor(dataSet.getCircleColor(0));
mCirclePaintInner.setColor(dataSet.getCircleHoleColor());
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
mXBounds.set(mChart, dataSet);
float circleRadius = dataSet.getCircleRadius() * 2.0f;
float circleHoleRadius = dataSet.getCircleHoleRadius() * 2.0f;
boolean drawCircleHole = dataSet.isDrawCircleHoleEnabled() &&
circleHoleRadius < circleRadius &&
circleHoleRadius > 0.f;
Entry e = dataSet.getEntryForIndex(dataSet.getEntryCount() - 1);
if (e == null) return;
mCirclesBuffer[0] = e.getX();
mCirclesBuffer[1] = e.getY() * phaseY;
trans.pointValuesToPixel(mCirclesBuffer);
if (!mViewPortHandler.isInBoundsRight(mCirclesBuffer[0]))
return;
if (!mViewPortHandler.isInBoundsLeft(mCirclesBuffer[0]) ||
!mViewPortHandler.isInBoundsY(mCirclesBuffer[1]))
return;
c.drawCircle(
mCirclesBuffer[0],
mCirclesBuffer[1],
circleRadius,
mRenderPaint);
if (drawCircleHole) {
c.drawCircle(
mCirclesBuffer[0],
mCirclesBuffer[1],
circleHoleRadius,
mCirclePaintInner);
}
}
}
Example 15
| Source File: LineChartRenderer.java From android-kline with Apache License 2.0 | 4 votes |
|
protected void drawCubicBezier(ILineDataSet dataSet) {
float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));
float phaseY = mAnimator.getPhaseY();
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
mXBounds.set(mChart, dataSet);
float intensity = dataSet.getCubicIntensity();
cubicPath.reset();
if (mXBounds.range >= 1) {
float prevDx = 0f;
float prevDy = 0f;
float curDx = 0f;
float curDy = 0f;
// Take an extra point from the left, and an extra from the right.
// That's because we need 4 points for a cubic bezier (cubic=4), otherwise we get lines moving and doing weird stuff on the edges of the chart.
// So in the starting `prev` and `cur`, go -2, -1
// And in the `lastIndex`, add +1
final int firstIndex = mXBounds.min + 1;
final int lastIndex = mXBounds.min + mXBounds.range;
Entry prevPrev;
Entry prev = dataSet.getEntryForIndex(Math.max(firstIndex - 2, 0));
Entry cur = dataSet.getEntryForIndex(Math.max(firstIndex - 1, 0));
Entry next = cur;
int nextIndex = -1;
if (cur == null) return;
// let the spline start
cubicPath.moveTo(cur.getX(), cur.getY() * phaseY);
for (int j = mXBounds.min + 1; j <= mXBounds.range + mXBounds.min; j++) {
prevPrev = prev;
prev = cur;
cur = nextIndex == j ? next : dataSet.getEntryForIndex(j);
nextIndex = j + 1 < dataSet.getEntryCount() ? j + 1 : j;
next = dataSet.getEntryForIndex(nextIndex);
prevDx = (cur.getX() - prevPrev.getX()) * intensity;
prevDy = (cur.getY() - prevPrev.getY()) * intensity;
curDx = (next.getX() - prev.getX()) * intensity;
curDy = (next.getY() - prev.getY()) * intensity;
cubicPath.cubicTo(prev.getX() + prevDx, (prev.getY() + prevDy) * phaseY,
cur.getX() - curDx,
(cur.getY() - curDy) * phaseY, cur.getX(), cur.getY() * phaseY);
}
}
// if filled is enabled, close the path
if (dataSet.isDrawFilledEnabled()) {
cubicFillPath.reset();
cubicFillPath.addPath(cubicPath);
drawCubicFill(mBitmapCanvas, dataSet, cubicFillPath, trans, mXBounds);
}
mRenderPaint.setColor(dataSet.getColor());
mRenderPaint.setStyle(Paint.Style.STROKE);
trans.pathValueToPixel(cubicPath);
mBitmapCanvas.drawPath(cubicPath, mRenderPaint);
mRenderPaint.setPathEffect(null);
}
Example 16
| Source File: ScatterChartRenderer.java From android-kline with Apache License 2.0 | 4 votes |
|
protected void drawDataSet(Canvas c, IScatterDataSet dataSet) {
ViewPortHandler viewPortHandler = mViewPortHandler;
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
float phaseY = mAnimator.getPhaseY();
IShapeRenderer renderer = dataSet.getShapeRenderer();
if (renderer == null) {
Log.i("MISSING", "There's no IShapeRenderer specified for ScatterDataSet");
return;
}
int max = (int)(Math.min(
Math.ceil((float)dataSet.getEntryCount() * mAnimator.getPhaseX()),
(float)dataSet.getEntryCount()));
for (int i = 0; i < max; i++) {
Entry e = dataSet.getEntryForIndex(i);
mPixelBuffer[0] = e.getX();
mPixelBuffer[1] = e.getY() * phaseY;
trans.pointValuesToPixel(mPixelBuffer);
if (!viewPortHandler.isInBoundsRight(mPixelBuffer[0]))
break;
if (!viewPortHandler.isInBoundsLeft(mPixelBuffer[0])
|| !viewPortHandler.isInBoundsY(mPixelBuffer[1]))
continue;
mRenderPaint.setColor(dataSet.getColor(i / 2));
renderer.renderShape(
c, dataSet, mViewPortHandler,
mPixelBuffer[0], mPixelBuffer[1],
mRenderPaint);
}
}
Example 17
| Source File: LineChartRenderer.java From android-kline with Apache License 2.0 | 2 votes |
|
protected void drawHorizontalBezier(ILineDataSet dataSet) {
float phaseY = mAnimator.getPhaseY();
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
mXBounds.set(mChart, dataSet);
cubicPath.reset();
if (mXBounds.range >= 1) {
Entry prev = dataSet.getEntryForIndex(mXBounds.min);
Entry cur = prev;
// let the spline start
cubicPath.moveTo(cur.getX(), cur.getY() * phaseY);
for (int j = mXBounds.min + 1; j <= mXBounds.range + mXBounds.min; j++) {
prev = cur;
cur = dataSet.getEntryForIndex(j);
final float cpx = (prev.getX())
+ (cur.getX() - prev.getX()) / 2.0f;
cubicPath.cubicTo(
cpx, prev.getY() * phaseY,
cpx, cur.getY() * phaseY,
cur.getX(), cur.getY() * phaseY);
}
}
// if filled is enabled, close the path
if (dataSet.isDrawFilledEnabled()) {
cubicFillPath.reset();
cubicFillPath.addPath(cubicPath);
// create a new path, this is bad for performance
drawCubicFill(mBitmapCanvas, dataSet, cubicFillPath, trans, mXBounds);
}
mRenderPaint.setColor(dataSet.getColor());
mRenderPaint.setStyle(Paint.Style.STROKE);
trans.pathValueToPixel(cubicPath);
mBitmapCanvas.drawPath(cubicPath, mRenderPaint);
mRenderPaint.setPathEffect(null);
}
Example 18
| Source File: LineChartRenderer.java From StockChart-MPAndroidChart with MIT License | 2 votes |
|
protected void drawHorizontalBezier(ILineDataSet dataSet) {
float phaseY = mAnimator.getPhaseY();
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
mXBounds.set(mChart, dataSet);
cubicPath.reset();
if (mXBounds.range >= 1) {
Entry prev = dataSet.getEntryForIndex(mXBounds.min);
Entry cur = prev;
// let the spline start
cubicPath.moveTo(cur.getX(), cur.getY() * phaseY);
for (int j = mXBounds.min + 1; j <= mXBounds.range + mXBounds.min; j++) {
prev = cur;
cur = dataSet.getEntryForIndex(j);
final float cpx = (prev.getX())
+ (cur.getX() - prev.getX()) / 2.0f;
cubicPath.cubicTo(
cpx, prev.getY() * phaseY,
cpx, cur.getY() * phaseY,
cur.getX(), cur.getY() * phaseY);
}
}
// if filled is enabled, close the path
if (dataSet.isDrawFilledEnabled()) {
cubicFillPath.reset();
cubicFillPath.addPath(cubicPath);
// create a new path, this is bad for performance
drawCubicFill(mBitmapCanvas, dataSet, cubicFillPath, trans, mXBounds);
}
mRenderPaint.setColor(dataSet.getColor());
mRenderPaint.setStyle(Paint.Style.STROKE);
trans.pathValueToPixel(cubicPath);
mBitmapCanvas.drawPath(cubicPath, mRenderPaint);
mRenderPaint.setPathEffect(null);
}
Example 19
| Source File: LineChartRenderer.java From Ticket-Analysis with MIT License | 2 votes |
|
protected void drawHorizontalBezier(ILineDataSet dataSet) {
float phaseY = mAnimator.getPhaseY();
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
mXBounds.set(mChart, dataSet);
cubicPath.reset();
if (mXBounds.range >= 1) {
Entry prev = dataSet.getEntryForIndex(mXBounds.min);
Entry cur = prev;
// let the spline start
cubicPath.moveTo(cur.getX(), cur.getY() * phaseY);
for (int j = mXBounds.min + 1; j <= mXBounds.range + mXBounds.min; j++) {
prev = cur;
cur = dataSet.getEntryForIndex(j);
final float cpx = (prev.getX())
+ (cur.getX() - prev.getX()) / 2.0f;
cubicPath.cubicTo(
cpx, prev.getY() * phaseY,
cpx, cur.getY() * phaseY,
cur.getX(), cur.getY() * phaseY);
}
}
// if filled is enabled, close the path
if (dataSet.isDrawFilledEnabled()) {
cubicFillPath.reset();
cubicFillPath.addPath(cubicPath);
// create a new path, this is bad for performance
drawCubicFill(mBitmapCanvas, dataSet, cubicFillPath, trans, mXBounds);
}
mRenderPaint.setColor(dataSet.getColor());
mRenderPaint.setStyle(Paint.Style.STROKE);
trans.pathValueToPixel(cubicPath);
mBitmapCanvas.drawPath(cubicPath, mRenderPaint);
mRenderPaint.setPathEffect(null);
}
Example 20
| Source File: LineChartRenderer.java From android-kline with Apache License 2.0 | 2 votes |
|
protected void drawHorizontalBezier(ILineDataSet dataSet) {
float phaseY = mAnimator.getPhaseY();
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
mXBounds.set(mChart, dataSet);
cubicPath.reset();
if (mXBounds.range >= 1) {
Entry prev = dataSet.getEntryForIndex(mXBounds.min);
Entry cur = prev;
// let the spline start
cubicPath.moveTo(cur.getX(), cur.getY() * phaseY);
for (int j = mXBounds.min + 1; j <= mXBounds.range + mXBounds.min; j++) {
prev = cur;
cur = dataSet.getEntryForIndex(j);
final float cpx = (prev.getX())
+ (cur.getX() - prev.getX()) / 2.0f;
cubicPath.cubicTo(
cpx, prev.getY() * phaseY,
cpx, cur.getY() * phaseY,
cur.getX(), cur.getY() * phaseY);
}
}
// if filled is enabled, close the path
if (dataSet.isDrawFilledEnabled()) {
cubicFillPath.reset();
cubicFillPath.addPath(cubicPath);
// create a new path, this is bad for performance
drawCubicFill(mBitmapCanvas, dataSet, cubicFillPath, trans, mXBounds);
}
mRenderPaint.setColor(dataSet.getColor());
mRenderPaint.setStyle(Paint.Style.STROKE);
trans.pathValueToPixel(cubicPath);
mBitmapCanvas.drawPath(cubicPath, mRenderPaint);
mRenderPaint.setPathEffect(null);
}
