com.github.mikephil.charting.data.BubbleDataSet Java Examples

The following examples show how to use com.github.mikephil.charting.data.BubbleDataSet. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: CombinedChartActivity.java From StockChart-MPAndroidChart with MIT License

6 votes

private BubbleData generateBubbleData() {

        BubbleData bd = new BubbleData();

        ArrayList<BubbleEntry> entries = new ArrayList<>();

        for (int index = 0; index < count; index++) {
            float y = getRandom(10, 105);
            float size = getRandom(100, 105);
            entries.add(new BubbleEntry(index + 0.5f, y, size));
        }

        BubbleDataSet set = new BubbleDataSet(entries, "Bubble DataSet");
        set.setColors(ColorTemplate.VORDIPLOM_COLORS);
        set.setValueTextSize(10f);
        set.setValueTextColor(Color.WHITE);
        set.setHighlightCircleWidth(1.5f);
        set.setDrawValues(true);
        bd.addDataSet(set);

        return bd;
    }

Example #2

Source File: CombinedChart.java From iMoney with Apache License 2.0

6 votes

@Override
protected void calcMinMax() {
    super.calcMinMax();
    
    if (getBarData() != null || getCandleData() != null || getBubbleData() != null) {
        mXChartMin = -0.5f;
        mXChartMax = mData.getXVals().size() - 0.5f;

        if (getBubbleData() != null) {

            for (BubbleDataSet set : getBubbleData().getDataSets()) {

                final float xmin = set.getXMin();
                final float xmax = set.getXMax();

                if (xmin < mXChartMin)
                    mXChartMin = xmin;

                if (xmax > mXChartMax)
                    mXChartMax = xmax;
            }
        }
    }

    mDeltaX = Math.abs(mXChartMax - mXChartMin);
}

Example #3

Source File: BubbleChart.java From iMoney with Apache License 2.0

6 votes

@Override
protected void calcMinMax() {
    super.calcMinMax();

    if (mDeltaX == 0 && mData.getYValCount() > 0)
        mDeltaX = 1;

    mXChartMin = -0.5f;
    mXChartMax = (float) mData.getXValCount() - 0.5f;

    if (mRenderer != null) {
        for (BubbleDataSet set : mData.getDataSets()) {

            final float xmin = set.getXMin();
            final float xmax = set.getXMax();

            if (xmin < mXChartMin)
                mXChartMin = xmin;

            if (xmax > mXChartMax)
                mXChartMax = xmax;
        }
    }

    mDeltaX = Math.abs(mXChartMax - mXChartMin);
}

Example #4

Source File: CombinedChartActivity.java From Stayfit with Apache License 2.0

6 votes

protected BubbleData generateBubbleData() {

        BubbleData bd = new BubbleData();

        ArrayList<BubbleEntry> entries = new ArrayList<BubbleEntry>();

        for (int index = 0; index < itemcount; index++) {
            float rnd = getRandom(20, 30);
            entries.add(new BubbleEntry(index, rnd, rnd));
        }

        BubbleDataSet set = new BubbleDataSet(entries, "Bubble DataSet");
        set.setColors(ColorTemplate.VORDIPLOM_COLORS);
        set.setValueTextSize(10f);
        set.setValueTextColor(Color.WHITE);
        set.setHighlightCircleWidth(1.5f);
        set.setDrawValues(true);
        bd.addDataSet(set);

        return bd;
    }

Example #5

Source File: BubbleChartRenderer.java From iMoney with Apache License 2.0

5 votes

@Override
public void drawData(Canvas c) {

    BubbleData bubbleData = mChart.getBubbleData();

    for (BubbleDataSet set : bubbleData.getDataSets()) {

        if (set.isVisible() && set.getEntryCount() > 0)
            drawDataSet(c, set);
    }
}

Example #6

Source File: BubbleChartManager.java From react-native-mp-android-chart with MIT License

5 votes

@Override
void dataSetConfig(IDataSet<BubbleEntry> dataSet, ReadableMap config) {
    BubbleDataSet bubbleDataSet = (BubbleDataSet) dataSet;

    ChartDataSetConfigUtils.commonConfig(bubbleDataSet, config);
    ChartDataSetConfigUtils.commonBarLineScatterCandleBubbleConfig(bubbleDataSet, config);

    // BubbleDataSet only config
    if (BridgeUtils.validate(config, ReadableType.Number, "highlightCircleWidth")) {
        bubbleDataSet.setHighlightCircleWidth((float) config.getDouble("highlightCircleWidth"));
    }
}

Example #7

Source File: BubbleChartActivity.java From StockChart-MPAndroidChart with MIT License

4 votes

@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

    int count = seekBarX.getProgress();
    int range = seekBarY.getProgress();

    tvX.setText(String.valueOf(count));
    tvY.setText(String.valueOf(range));

    ArrayList<BubbleEntry> values1 = new ArrayList<>();
    ArrayList<BubbleEntry> values2 = new ArrayList<>();
    ArrayList<BubbleEntry> values3 = new ArrayList<>();

    for (int i = 0; i < count; i++) {
        values1.add(new BubbleEntry(i, (float) (Math.random() * range), (float) (Math.random() * range), getResources().getDrawable(R.drawable.star)));
        values2.add(new BubbleEntry(i, (float) (Math.random() * range), (float) (Math.random() * range), getResources().getDrawable(R.drawable.star)));
        values3.add(new BubbleEntry(i, (float) (Math.random() * range), (float) (Math.random() * range)));
    }

    // create a dataset and give it a type
    BubbleDataSet set1 = new BubbleDataSet(values1, "DS 1");
    set1.setDrawIcons(false);
    set1.setColor(ColorTemplate.COLORFUL_COLORS[0], 130);
    set1.setDrawValues(true);

    BubbleDataSet set2 = new BubbleDataSet(values2, "DS 2");
    set2.setDrawIcons(false);
    set2.setIconsOffset(new MPPointF(0, 15));
    set2.setColor(ColorTemplate.COLORFUL_COLORS[1], 130);
    set2.setDrawValues(true);

    BubbleDataSet set3 = new BubbleDataSet(values3, "DS 3");
    set3.setColor(ColorTemplate.COLORFUL_COLORS[2], 130);
    set3.setDrawValues(true);

    ArrayList<IBubbleDataSet> dataSets = new ArrayList<>();
    dataSets.add(set1); // add the data sets
    dataSets.add(set2);
    dataSets.add(set3);

    // create a data object with the data sets
    BubbleData data = new BubbleData(dataSets);
    data.setDrawValues(false);
    data.setValueTypeface(tfLight);
    data.setValueTextSize(8f);
    data.setValueTextColor(Color.WHITE);
    data.setHighlightCircleWidth(1.5f);

    chart.setData(data);
    chart.invalidate();
}

Example #8

Source File: BubbleChartRenderer.java From iMoney with Apache License 2.0

4 votes

@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    BubbleData bubbleData = mChart.getBubbleData();

    float phaseX = mAnimator.getPhaseX();
    float phaseY = mAnimator.getPhaseY();

    for (Highlight indice : indices) {

        BubbleDataSet dataSet = bubbleData.getDataSetByIndex(indice.getDataSetIndex());

        if (dataSet == null || !dataSet.isHighlightEnabled())
            continue;

        Entry entryFrom = dataSet.getEntryForXIndex(mMinX);
        Entry entryTo = dataSet.getEntryForXIndex(mMaxX);

        int minx = dataSet.getEntryPosition(entryFrom);
        int maxx = Math.min(dataSet.getEntryPosition(entryTo) + 1, dataSet.getEntryCount());

        final BubbleEntry entry = (BubbleEntry) bubbleData.getEntryForHighlight(indice);
        if (entry == null || entry.getXIndex() != indice.getXIndex())
            continue;

        Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
        
        sizeBuffer[0] = 0f;
        sizeBuffer[2] = 1f;

        trans.pointValuesToPixel(sizeBuffer);
        
        // calcualte the full width of 1 step on the x-axis
        final float maxBubbleWidth = Math.abs(sizeBuffer[2] - sizeBuffer[0]);
        final float maxBubbleHeight = Math.abs(mViewPortHandler.contentBottom() - mViewPortHandler.contentTop());
        final float referenceSize = Math.min(maxBubbleHeight, maxBubbleWidth);

        pointBuffer[0] = (float) (entry.getXIndex() - minx) * phaseX + (float) minx;
        pointBuffer[1] = (float) (entry.getVal()) * phaseY;
        trans.pointValuesToPixel(pointBuffer);

        float shapeHalf = getShapeSize(entry.getSize(), dataSet.getMaxSize(), referenceSize) / 2f;

        if (!mViewPortHandler.isInBoundsTop(pointBuffer[1] + shapeHalf)
                || !mViewPortHandler.isInBoundsBottom(pointBuffer[1] - shapeHalf))
            continue;

        if (!mViewPortHandler.isInBoundsLeft(pointBuffer[0] + shapeHalf))
            continue;

        if (!mViewPortHandler.isInBoundsRight(pointBuffer[0] - shapeHalf))
            break;

        if (indice.getXIndex() < minx || indice.getXIndex() >= maxx)
            continue;

        final int originalColor = dataSet.getColor(entry.getXIndex());

        Color.RGBToHSV(Color.red(originalColor), Color.green(originalColor),
                Color.blue(originalColor), _hsvBuffer);
        _hsvBuffer[2] *= 0.5f;
        final int color = Color.HSVToColor(Color.alpha(originalColor), _hsvBuffer);

        mHighlightPaint.setColor(color);
        mHighlightPaint.setStrokeWidth(dataSet.getHighlightCircleWidth());
        c.drawCircle(pointBuffer[0], pointBuffer[1], shapeHalf, mHighlightPaint);
    }
}

Example #9

Source File: BubbleChartManager.java From react-native-mp-android-chart with MIT License

4 votes

@Override
IDataSet createDataSet(ArrayList<BubbleEntry> entries, String label) {
    return new BubbleDataSet(entries, label);
}

Example #10

Source File: BubbleChartRenderer.java From iMoney with Apache License 2.0

2 votes

protected void drawDataSet(Canvas c, BubbleDataSet dataSet) {

        Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());

        float phaseX = mAnimator.getPhaseX();
        float phaseY = mAnimator.getPhaseY();

        List<BubbleEntry> entries = dataSet.getYVals();

        Entry entryFrom = dataSet.getEntryForXIndex(mMinX);
        Entry entryTo = dataSet.getEntryForXIndex(mMaxX);

        int minx = Math.max(dataSet.getEntryPosition(entryFrom), 0);
        int maxx = Math.min(dataSet.getEntryPosition(entryTo) + 1, entries.size());

        sizeBuffer[0] = 0f;
        sizeBuffer[2] = 1f;

        trans.pointValuesToPixel(sizeBuffer);

        // calcualte the full width of 1 step on the x-axis
        final float maxBubbleWidth = Math.abs(sizeBuffer[2] - sizeBuffer[0]);
        final float maxBubbleHeight = Math.abs(mViewPortHandler.contentBottom() - mViewPortHandler.contentTop());
        final float referenceSize = Math.min(maxBubbleHeight, maxBubbleWidth);

        for (int j = minx; j < maxx; j++) {

            final BubbleEntry entry = entries.get(j);

            pointBuffer[0] = (float) (entry.getXIndex() - minx) * phaseX + (float) minx;
            pointBuffer[1] = (float) (entry.getVal()) * phaseY;
            trans.pointValuesToPixel(pointBuffer);

            float shapeHalf = getShapeSize(entry.getSize(), dataSet.getMaxSize(), referenceSize) / 2f;

            if (!mViewPortHandler.isInBoundsTop(pointBuffer[1] + shapeHalf)
                    || !mViewPortHandler.isInBoundsBottom(pointBuffer[1] - shapeHalf))
                continue;

            if (!mViewPortHandler.isInBoundsLeft(pointBuffer[0] + shapeHalf))
                continue;

            if (!mViewPortHandler.isInBoundsRight(pointBuffer[0] - shapeHalf))
                break;

            final int color = dataSet.getColor(entry.getXIndex());

            mRenderPaint.setColor(color);
            c.drawCircle(pointBuffer[0], pointBuffer[1], shapeHalf, mRenderPaint);
        }
    }

Example #11

Source File: BubbleChartRenderer.java From iMoney with Apache License 2.0

2 votes

@Override
public void drawValues(Canvas c) {

    BubbleData bubbleData = mChart.getBubbleData();

    if (bubbleData == null)
        return;

    // if values are drawn
    if (bubbleData.getYValCount() < (int) (Math.ceil((float) (mChart.getMaxVisibleCount())
            * mViewPortHandler.getScaleX()))) {

        final List<BubbleDataSet> dataSets = bubbleData.getDataSets();

        float lineHeight = Utils.calcTextHeight(mValuePaint, "1");

        for (int i = 0; i < dataSets.size(); i++) {

            BubbleDataSet dataSet = dataSets.get(i);

            if (!dataSet.isDrawValuesEnabled() || dataSet.getEntryCount() == 0)
                continue;

            // apply the text-styling defined by the DataSet
            applyValueTextStyle(dataSet);

            final float phaseX = mAnimator.getPhaseX();
            final float phaseY = mAnimator.getPhaseY();

            final float alpha = phaseX == 1 ? phaseY : phaseX;
            int valueTextColor = dataSet.getValueTextColor();
            valueTextColor = Color.argb(Math.round(255.f * alpha), Color.red(valueTextColor),
                    Color.green(valueTextColor), Color.blue(valueTextColor));

            mValuePaint.setColor(valueTextColor);

            final List<BubbleEntry> entries = dataSet.getYVals();

            Entry entryFrom = dataSet.getEntryForXIndex(mMinX);
            Entry entryTo = dataSet.getEntryForXIndex(mMaxX);

            int minx = dataSet.getEntryPosition(entryFrom);
            int maxx = Math.min(dataSet.getEntryPosition(entryTo) + 1, dataSet.getEntryCount());

            final float[] positions = mChart.getTransformer(dataSet.getAxisDependency())
                    .generateTransformedValuesBubble(entries, phaseX, phaseY, minx, maxx);

            for (int j = 0; j < positions.length; j += 2) {

                float x = positions[j];
                float y = positions[j + 1];

                if (!mViewPortHandler.isInBoundsRight(x))
                    break;

                if ((!mViewPortHandler.isInBoundsLeft(x) || !mViewPortHandler.isInBoundsY(y)))
                    continue;

                BubbleEntry entry = entries.get(j / 2 + minx);

                drawValue(c, dataSet.getValueFormatter(), entry.getSize(), entry, i, x,
                        y + (0.5f * lineHeight));
            }
        }
    }

}