Java Code Examples for com.github.mikephil.charting.interfaces.datasets.IBubbleDataSet#getEntryForXIndex()

The following examples show how to use com.github.mikephil.charting.interfaces.datasets.IBubbleDataSet#getEntryForXIndex() . 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: BubbleChartRenderer.java    From Stayfit with Apache License 2.0 4 votes vote down vote up
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    BubbleData bubbleData = mChart.getBubbleData();

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

    for (Highlight indice : indices) {

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

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

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

        int minx = dataSet.getEntryIndex(entryFrom);
        int maxx = Math.min(dataSet.getEntryIndex(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 2
Source File: BubbleChartRenderer.java    From NetKnight with Apache License 2.0 4 votes vote down vote up
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    BubbleData bubbleData = mChart.getBubbleData();

    float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));
    float phaseY = mAnimator.getPhaseY();

    for (Highlight high : indices) {

        final int minDataSetIndex = high.getDataSetIndex() == -1
                ? 0
                : high.getDataSetIndex();
        final int maxDataSetIndex = high.getDataSetIndex() == -1
                ? bubbleData.getDataSetCount()
                : (high.getDataSetIndex() + 1);
        if (maxDataSetIndex - minDataSetIndex < 1) continue;

        for (int dataSetIndex = minDataSetIndex;
             dataSetIndex < maxDataSetIndex;
             dataSetIndex++) {

            IBubbleDataSet dataSet = bubbleData.getDataSetByIndex(dataSetIndex);

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

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

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

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

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

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

            trans.pointValuesToPixel(sizeBuffer);

            boolean normalizeSize = dataSet.isNormalizeSizeEnabled();

            // 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,
                    normalizeSize) / 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 (high.getXIndex() < minx || high.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 3
Source File: BubbleChartRenderer.java    From Stayfit with Apache License 2.0 2 votes vote down vote up
protected void drawDataSet(Canvas c, IBubbleDataSet dataSet) {

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

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

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

        int minx = Math.max(dataSet.getEntryIndex(entryFrom), 0);
        int maxx = Math.min(dataSet.getEntryIndex(entryTo) + 1, dataSet.getEntryCount());

        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 = dataSet.getEntryForIndex(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 4
Source File: BubbleChartRenderer.java    From Stayfit with Apache License 2.0 2 votes vote down vote up
@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<IBubbleDataSet> dataSets = bubbleData.getDataSets();

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

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

            IBubbleDataSet 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();

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

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

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

            final float alpha = phaseX == 1 ? phaseY : phaseX;

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

                int valueTextColor = dataSet.getValueTextColor(j / 2 + minx);
                valueTextColor = Color.argb(Math.round(255.f * alpha), Color.red(valueTextColor),
                        Color.green(valueTextColor), Color.blue(valueTextColor));

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

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

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

                BubbleEntry entry = dataSet.getEntryForIndex(j / 2 + minx);

                drawValue(c, dataSet.getValueFormatter(), entry.getSize(), entry, i, x,
                        y + (0.5f * lineHeight), valueTextColor);
            }
        }
    }
}
 
Example 5
Source File: BubbleChartRenderer.java    From NetKnight with Apache License 2.0 2 votes vote down vote up
protected void drawDataSet(Canvas c, IBubbleDataSet dataSet) {

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

        float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));
        float phaseY = mAnimator.getPhaseY();

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

        int minx = Math.max(dataSet.getEntryIndex(entryFrom), 0);
        int maxx = Math.min(dataSet.getEntryIndex(entryTo) + 1, dataSet.getEntryCount());

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

        trans.pointValuesToPixel(sizeBuffer);

        boolean normalizeSize = dataSet.isNormalizeSizeEnabled();

        // 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 = dataSet.getEntryForIndex(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, normalizeSize) / 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 6
Source File: BubbleChartRenderer.java    From NetKnight with Apache License 2.0 2 votes vote down vote up
@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<IBubbleDataSet> dataSets = bubbleData.getDataSets();

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

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

            IBubbleDataSet dataSet = dataSets.get(i);

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

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

            final float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));
            final float phaseY = mAnimator.getPhaseY();

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

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

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

            final float alpha = phaseX == 1 ? phaseY : phaseX;

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

                int valueTextColor = dataSet.getValueTextColor(j / 2 + minx);
                valueTextColor = Color.argb(Math.round(255.f * alpha), Color.red(valueTextColor),
                        Color.green(valueTextColor), Color.blue(valueTextColor));

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

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

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

                BubbleEntry entry = dataSet.getEntryForIndex(j / 2 + minx);

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