Java Code Examples for com.github.mikephil.charting.highlight.Highlight#getXIndex()

The following examples show how to use com.github.mikephil.charting.highlight.Highlight#getXIndex() . 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: Chart.java    From iMoney with Apache License 2.0 5 votes vote down vote up
/**
 * Highlights the value selected by touch gesture. Unlike
 * highlightValues(...), this generates a callback to the
 * OnChartValueSelectedListener.
 *
 * @param high
 */
public void highlightTouch(Highlight high) {

    Entry e = null;

    if (high == null)
        mIndicesToHightlight = null;
    else {

        if (mLogEnabled)
            Log.i(LOG_TAG, "Highlighted: " + high.toString());

        e = mData.getEntryForHighlight(high);
        if (e == null || e.getXIndex() != high.getXIndex()) {
            mIndicesToHightlight = null;
            high = null;
        }
        else {
            // set the indices to highlight
            mIndicesToHightlight = new Highlight[] {
                    high
            };
        }
    }

    // redraw the chart
    invalidate();

    if (mSelectionListener != null) {

        if (!valuesToHighlight())
            mSelectionListener.onNothingSelected();
        else {
            // notify the listener
            mSelectionListener.onValueSelected(e, high.getDataSetIndex(), high);
        }
    }
}
 
Example 2
Source File: Chart.java    From Stayfit with Apache License 2.0 5 votes vote down vote up
/**
 * Highlights the value selected by touch gesture. Unlike
 * highlightValues(...), this generates a callback to the
 * OnChartValueSelectedListener.
 *
 * @param high         - the highlight object
 * @param callListener - call the listener
 */
public void highlightValue(Highlight high, boolean callListener) {

    Entry e = null;

    if (high == null)
        mIndicesToHighlight = null;
    else {

        if (mLogEnabled)
            Log.i(LOG_TAG, "Highlighted: " + high.toString());

        e = mData.getEntryForHighlight(high);
        if (e == null || e.getXIndex() != high.getXIndex()) {
            mIndicesToHighlight = null;
            high = null;
        } else {
            // set the indices to highlight
            mIndicesToHighlight = new Highlight[]{
                    high
            };
        }
    }

    if (callListener && mSelectionListener != null) {

        if (!valuesToHighlight())
            mSelectionListener.onNothingSelected();
        else {
            // notify the listener
            mSelectionListener.onValueSelected(e, high.getDataSetIndex(), high);
        }
    }
    // redraw the chart
    invalidate();
}
 
Example 3
Source File: Results.java    From NoiseCapture with GNU General Public License v3.0 5 votes vote down vote up
@Override
public String getFormattedValue(float value, Entry entry, int dataSetIndex, ViewPortHandler viewPortHandler) {
    if(!sChart.valuesToHighlight()) {
        return "";
    }
    Highlight[] highlights = sChart.getHighlighted();
    for (final Highlight highlight : highlights) {
        int xIndex = highlight.getXIndex();
        if (xIndex == entry.getXIndex()) {
            return String.format(Locale.getDefault(), "%.1f dB(A)", value);
        }
    }
    return "";
}
 
Example 4
Source File: Chart.java    From iMoney with Apache License 2.0 4 votes vote down vote up
/**
 * draws all MarkerViews on the highlighted positions
 */
protected void drawMarkers(Canvas canvas) {

    // if there is no marker view or drawing marker is disabled
    if (mMarkerView == null || !mDrawMarkerViews || !valuesToHighlight())
        return;

    for (int i = 0; i < mIndicesToHightlight.length; i++) {

        Highlight highlight = mIndicesToHightlight[i];
        int xIndex = highlight.getXIndex();
        int dataSetIndex = highlight.getDataSetIndex();

        if (xIndex <= mDeltaX && xIndex <= mDeltaX * mAnimator.getPhaseX()) {

            Entry e = mData.getEntryForHighlight(mIndicesToHightlight[i]);

            // make sure entry not null
            if (e == null || e.getXIndex() != mIndicesToHightlight[i].getXIndex())
                continue;

            float[] pos = getMarkerPosition(e, highlight);

            // check bounds
            if (!mViewPortHandler.isInBounds(pos[0], pos[1]))
                continue;

            // callbacks to update the content
            mMarkerView.refreshContent(e, highlight);

            // mMarkerView.measure(MeasureSpec.makeMeasureSpec(0,
            // MeasureSpec.UNSPECIFIED),
            // MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            // mMarkerView.layout(0, 0, mMarkerView.getMeasuredWidth(),
            // mMarkerView.getMeasuredHeight());
            // mMarkerView.draw(mDrawCanvas, pos[0], pos[1]);

            mMarkerView.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
                    MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            mMarkerView.layout(0, 0, mMarkerView.getMeasuredWidth(),
                    mMarkerView.getMeasuredHeight());

            if (pos[1] - mMarkerView.getHeight() <= 0) {
                float y = mMarkerView.getHeight() - pos[1];
                mMarkerView.draw(canvas, pos[0], pos[1] + y);
            } else {
                mMarkerView.draw(canvas, pos[0], pos[1]);
            }
        }
    }
}
 
Example 5
Source File: BubbleChartRenderer.java    From iMoney 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) {

        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 6
Source File: BarChartRenderer.java    From iMoney with Apache License 2.0 4 votes vote down vote up
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    int setCount = mChart.getBarData().getDataSetCount();

    for (int i = 0; i < indices.length; i++) {

        Highlight h = indices[i];
        int index = h.getXIndex();

        int dataSetIndex = h.getDataSetIndex();
        BarDataSet set = mChart.getBarData().getDataSetByIndex(dataSetIndex);

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

        float barspaceHalf = set.getBarSpace() / 2f;
        
        Transformer trans = mChart.getTransformer(set.getAxisDependency());

        mHighlightPaint.setColor(set.getHighLightColor());
        mHighlightPaint.setAlpha(set.getHighLightAlpha());

        // check outofbounds
        if (index >= 0
                && index < (mChart.getXChartMax() * mAnimator.getPhaseX()) / setCount) {

            BarEntry e = set.getEntryForXIndex(index);

            if (e == null || e.getXIndex() != index)
                continue;

            float groupspace = mChart.getBarData().getGroupSpace();
            boolean isStack = h.getStackIndex() < 0 ? false : true;

            // calculate the correct x-position
            float x = index * setCount + dataSetIndex + groupspace / 2f
                    + groupspace * index;

            final float y1;
            final float y2;

            if (isStack) {
                y1 = h.getRange().from;
                y2 = h.getRange().to;
            } else {
                y1 = e.getVal();
                y2 = 0.f;
            }

            prepareBarHighlight(x, y1, y2, barspaceHalf, trans);

            c.drawRect(mBarRect, mHighlightPaint);

            if (mChart.isDrawHighlightArrowEnabled()) {

                mHighlightPaint.setAlpha(255);

                // distance between highlight arrow and bar
                float offsetY = mAnimator.getPhaseY() * 0.07f;

                float[] values = new float[9];
                trans.getPixelToValueMatrix().getValues(values);
                final float xToYRel = Math.abs(values[Matrix.MSCALE_Y] / values[Matrix.MSCALE_X]);

                final float arrowWidth = set.getBarSpace() / 2.f;
                final float arrowHeight = arrowWidth * xToYRel;

                final float yArrow = (y1 > -y2 ? y1 : y1) * mAnimator.getPhaseY();

                Path arrow = new Path();
                arrow.moveTo(x + 0.4f, yArrow + offsetY);
                arrow.lineTo(x + 0.4f + arrowWidth, yArrow + offsetY - arrowHeight);
                arrow.lineTo(x + 0.4f + arrowWidth, yArrow + offsetY + arrowHeight);

                trans.pathValueToPixel(arrow);
                c.drawPath(arrow, mHighlightPaint);
            }
        }
    }
}
 
Example 7
Source File: Chart.java    From Stayfit with Apache License 2.0 4 votes vote down vote up
/**
 * draws all MarkerViews on the highlighted positions
 */
protected void drawMarkers(Canvas canvas) {

    // if there is no marker view or drawing marker is disabled
    if (mMarkerView == null || !mDrawMarkerViews || !valuesToHighlight())
        return;

    for (int i = 0; i < mIndicesToHighlight.length; i++) {

        Highlight highlight = mIndicesToHighlight[i];
        int xIndex = highlight.getXIndex();
        int dataSetIndex = highlight.getDataSetIndex();

        if (xIndex <= mDeltaX && xIndex <= mDeltaX * mAnimator.getPhaseX()) {

            Entry e = mData.getEntryForHighlight(mIndicesToHighlight[i]);

            // make sure entry not null
            if (e == null || e.getXIndex() != mIndicesToHighlight[i].getXIndex())
                continue;

            float[] pos = getMarkerPosition(e, highlight);

            // check bounds
            if (!mViewPortHandler.isInBounds(pos[0], pos[1]))
                continue;

            // callbacks to update the content
            mMarkerView.refreshContent(e, highlight);

            // mMarkerView.measure(MeasureSpec.makeMeasureSpec(0,
            // MeasureSpec.UNSPECIFIED),
            // MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            // mMarkerView.layout(0, 0, mMarkerView.getMeasuredWidth(),
            // mMarkerView.getMeasuredHeight());
            // mMarkerView.draw(mDrawCanvas, pos[0], pos[1]);

            mMarkerView.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
                    MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            mMarkerView.layout(0, 0, mMarkerView.getMeasuredWidth(),
                    mMarkerView.getMeasuredHeight());

            if (pos[1] - mMarkerView.getHeight() <= 0) {
                float y = mMarkerView.getHeight() - pos[1];
                mMarkerView.draw(canvas, pos[0], pos[1] + y);
            } else {
                mMarkerView.draw(canvas, pos[0], pos[1]);
            }
        }
    }
}
 
Example 8
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 9
Source File: BarChartRenderer.java    From Stayfit with Apache License 2.0 4 votes vote down vote up
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    int setCount = mChart.getBarData().getDataSetCount();

    for (int i = 0; i < indices.length; i++) {

        Highlight h = indices[i];
        int index = h.getXIndex();

        int dataSetIndex = h.getDataSetIndex();
        IBarDataSet set = mChart.getBarData().getDataSetByIndex(dataSetIndex);

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

        float barspaceHalf = set.getBarSpace() / 2f;
        
        Transformer trans = mChart.getTransformer(set.getAxisDependency());

        mHighlightPaint.setColor(set.getHighLightColor());
        mHighlightPaint.setAlpha(set.getHighLightAlpha());

        // check outofbounds
        if (index >= 0
                && index < (mChart.getXChartMax() * mAnimator.getPhaseX()) / setCount) {

            BarEntry e = set.getEntryForXIndex(index);

            if (e == null || e.getXIndex() != index)
                continue;

            float groupspace = mChart.getBarData().getGroupSpace();
            boolean isStack = h.getStackIndex() < 0 ? false : true;

            // calculate the correct x-position
            float x = index * setCount + dataSetIndex + groupspace / 2f
                    + groupspace * index;

            final float y1;
            final float y2;

            if (isStack) {
                y1 = h.getRange().from;
                y2 = h.getRange().to;
            } else {
                y1 = e.getVal();
                y2 = 0.f;
            }

            prepareBarHighlight(x, y1, y2, barspaceHalf, trans);

            c.drawRect(mBarRect, mHighlightPaint);

            if (mChart.isDrawHighlightArrowEnabled()) {

                mHighlightPaint.setAlpha(255);

                // distance between highlight arrow and bar
                float offsetY = mAnimator.getPhaseY() * 0.07f;

                float[] values = new float[9];
                trans.getPixelToValueMatrix().getValues(values);
                final float xToYRel = Math.abs(values[Matrix.MSCALE_Y] / values[Matrix.MSCALE_X]);

                final float arrowWidth = set.getBarSpace() / 2.f;
                final float arrowHeight = arrowWidth * xToYRel;

                final float yArrow = (y1 > -y2 ? y1 : y1) * mAnimator.getPhaseY();

                Path arrow = new Path();
                arrow.moveTo(x + 0.4f, yArrow + offsetY);
                arrow.lineTo(x + 0.4f + arrowWidth, yArrow + offsetY - arrowHeight);
                arrow.lineTo(x + 0.4f + arrowWidth, yArrow + offsetY + arrowHeight);

                trans.pathValueToPixel(arrow);
                c.drawPath(arrow, mHighlightPaint);
            }
        }
    }
}
 
Example 10
Source File: Chart.java    From NetKnight with Apache License 2.0 4 votes vote down vote up
/**
 * draws all MarkerViews on the highlighted positions
 */
protected void drawMarkers(Canvas canvas) {

    // if there is no marker view or drawing marker is disabled
    if (mMarkerView == null || !mDrawMarkerViews || !valuesToHighlight())
        return;

    for (int i = 0; i < mIndicesToHighlight.length; i++) {

        Highlight highlight = mIndicesToHighlight[i];
        int xIndex = highlight.getXIndex();
        int dataSetIndex = highlight.getDataSetIndex();

        float deltaX = mXAxis != null 
            ? mXAxis.mAxisRange
            : ((mData == null ? 0.f : mData.getXValCount()) - 1.f);

        if (xIndex <= deltaX && xIndex <= deltaX * mAnimator.getPhaseX()) {

            Entry e = mData.getEntryForHighlight(mIndicesToHighlight[i]);

            // make sure entry not null
            if (e == null || e.getXIndex() != mIndicesToHighlight[i].getXIndex())
                continue;

            float[] pos = getMarkerPosition(e, highlight);

            // check bounds
            if (!mViewPortHandler.isInBounds(pos[0], pos[1]))
                continue;

            // callbacks to update the content
            mMarkerView.refreshContent(e, highlight);

            // mMarkerView.measure(MeasureSpec.makeMeasureSpec(0,
            // MeasureSpec.UNSPECIFIED),
            // MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            // mMarkerView.layout(0, 0, mMarkerView.getMeasuredWidth(),
            // mMarkerView.getMeasuredHeight());
            // mMarkerView.draw(mDrawCanvas, pos[0], pos[1]);

            mMarkerView.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
                    MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            mMarkerView.layout(0, 0, mMarkerView.getMeasuredWidth(),
                    mMarkerView.getMeasuredHeight());

            if (pos[1] - mMarkerView.getHeight() <= 0) {
                float y = mMarkerView.getHeight() - pos[1];
                mMarkerView.draw(canvas, pos[0], pos[1] + y);
            } else {
                mMarkerView.draw(canvas, pos[0], pos[1]);
            }
        }
    }
}
 
Example 11
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 12
Source File: LineChartRenderer.java    From NetKnight with Apache License 2.0 4 votes vote down vote up
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    LineData lineData = mChart.getLineData();

    for (Highlight high : indices) {

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

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

            ILineDataSet set = lineData.getDataSetByIndex(dataSetIndex);

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

            int xIndex = high.getXIndex(); // get the
            // x-position

            if (xIndex > mChart.getXChartMax() * mAnimator.getPhaseX())
                continue;

            final float yVal = set.getYValForXIndex(xIndex);
            if (Float.isNaN(yVal))
                continue;

            float y = yVal * mAnimator.getPhaseY(); // get
            // the
            // y-position

            float[] pts = new float[]{
                    xIndex, y
            };

            mChart.getTransformer(set.getAxisDependency()).pointValuesToPixel(pts);

            // draw the lines
            drawHighlightLines(c, pts, set);
        }
    }
}
 
Example 13
Source File: BarChartRenderer.java    From NetKnight with Apache License 2.0 4 votes vote down vote up
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    BarData barData = mChart.getBarData();
    int setCount = barData.getDataSetCount();

    for (Highlight high : indices) {

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

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

            IBarDataSet set = barData.getDataSetByIndex(dataSetIndex);

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

            float barspaceHalf = set.getBarSpace() / 2f;

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

            mHighlightPaint.setColor(set.getHighLightColor());
            mHighlightPaint.setAlpha(set.getHighLightAlpha());

            int index = high.getXIndex();

            // check outofbounds
            if (index >= 0
                    && index < (mChart.getXChartMax() * mAnimator.getPhaseX()) / setCount) {

                BarEntry e = set.getEntryForXIndex(index);

                if (e == null || e.getXIndex() != index)
                    continue;

                float groupspace = barData.getGroupSpace();
                boolean isStack = high.getStackIndex() < 0 ? false : true;

                // calculate the correct x-position
                float x = index * setCount + dataSetIndex + groupspace / 2f
                        + groupspace * index;

                final float y1;
                final float y2;

                if (isStack) {
                    y1 = high.getRange().from;
                    y2 = high.getRange().to;
                } else {
                    y1 = e.getVal();
                    y2 = 0.f;
                }

                prepareBarHighlight(x, y1, y2, barspaceHalf, trans);

                c.drawRect(mBarRect, mHighlightPaint);

                if (mChart.isDrawHighlightArrowEnabled()) {

                    mHighlightPaint.setAlpha(255);

                    // distance between highlight arrow and bar
                    float offsetY = mAnimator.getPhaseY() * 0.07f;

                    float[] values = new float[9];
                    trans.getPixelToValueMatrix().getValues(values);
                    final float xToYRel = Math.abs(
                            values[Matrix.MSCALE_Y] / values[Matrix.MSCALE_X]);

                    final float arrowWidth = set.getBarSpace() / 2.f;
                    final float arrowHeight = arrowWidth * xToYRel;

                    final float yArrow = (y1 > -y2 ? y1 : y1) * mAnimator.getPhaseY();

                    Path arrow = new Path();
                    arrow.moveTo(x + 0.4f, yArrow + offsetY);
                    arrow.lineTo(x + 0.4f + arrowWidth, yArrow + offsetY - arrowHeight);
                    arrow.lineTo(x + 0.4f + arrowWidth, yArrow + offsetY + arrowHeight);

                    trans.pathValueToPixel(arrow);
                    c.drawPath(arrow, mHighlightPaint);
                }
            }
        }
    }
}
 
Example 14
Source File: CandleStickChartRenderer.java    From NetKnight with Apache License 2.0 4 votes vote down vote up
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    CandleData candleData = mChart.getCandleData();

    for (Highlight high : indices) {

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

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

            int xIndex = high.getXIndex(); // get the
            // x-position

            ICandleDataSet set = mChart.getCandleData().getDataSetByIndex(dataSetIndex);

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

            CandleEntry e = set.getEntryForXIndex(xIndex);

            if (e == null || e.getXIndex() != xIndex)
                continue;

            float lowValue = e.getLow() * mAnimator.getPhaseY();
            float highValue = e.getHigh() * mAnimator.getPhaseY();
            float y = (lowValue + highValue) / 2f;

            float[] pts = new float[]{
                    xIndex, y
            };

            mChart.getTransformer(set.getAxisDependency()).pointValuesToPixel(pts);

            // draw the lines
            drawHighlightLines(c, pts, set);
        }
    }
}
 
Example 15
Source File: ScatterChartRenderer.java    From NetKnight with Apache License 2.0 4 votes vote down vote up
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {

    ScatterData scatterData = mChart.getScatterData();

    for (Highlight high : indices) {

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

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

            IScatterDataSet set = scatterData.getDataSetByIndex(dataSetIndex);

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

            int xIndex = high.getXIndex(); // get the
            // x-position


            if (xIndex > mChart.getXChartMax() * mAnimator.getPhaseX())
                continue;

            final float yVal = set.getYValForXIndex(xIndex);
            if (Float.isNaN(yVal))
                continue;

            float y = yVal * mAnimator.getPhaseY();

            float[] pts = new float[]{
                    xIndex, y
            };

            mChart.getTransformer(set.getAxisDependency()).pointValuesToPixel(pts);

            // draw the lines
            drawHighlightLines(c, pts, set);
        }
    }
}