Java Code Examples for com.github.mikephil.charting.data.BarData#getBarWidth()

The following examples show how to use com.github.mikephil.charting.data.BarData#getBarWidth() . 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: MyBarChartRenderer.java From shinny-futures-android with GNU General Public License v3.0

5 votes

@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {
    BarData barData = mChart.getBarData();

    for (Highlight high : indices) {

        IBarDataSet set = barData.getDataSetByIndex(high.getDataSetIndex());

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

        BarEntry e = set.getEntryForXValue(high.getX(), high.getY());

        if (!isInBoundsX(e, set))
            continue;

        mHighlightPaint.setColor(set.getHighLightColor());
        //保持和顶层图的十字光标一致
        //mHighlightPaint.setAlpha(set.getHighLightAlpha());

        float barWidth = barData.getBarWidth();
        Transformer trans = mChart.getTransformer(set.getAxisDependency());
        prepareBarHighlight(e.getX(), 0, 0, barWidth / 2, trans);

        //画竖线
        float xp = mBarRect.centerX();
        c.drawLine(xp, mViewPortHandler.getContentRect().bottom, xp, 0, mHighlightPaint);

        //判断是否画横线
        float y = high.getDrawY();
        float yMax = mChart.getHeight();
        float xMax = mChart.getWidth();
        if (y >= 0 && y <= yMax) {//在区域内即绘制横线
            //绘制横线
            c.drawLine(0, y, xMax, y, mHighlightPaint);
        }
    }
}

Example 2

Source File: HistogramChart.java From walt with Apache License 2.0

5 votes

/**
 * Re-implementation of BarData.groupBars(), but allows grouping with only 1 BarDataSet
 * This adjusts the x-coordinates of entries, which centers the bars between axis labels
 */
static void groupBars(final BarData barData) {
    IBarDataSet max = barData.getMaxEntryCountSet();
    int maxEntryCount = max.getEntryCount();
    float groupSpaceWidthHalf = GROUP_SPACE / 2f;
    float barWidthHalf = barData.getBarWidth() / 2f;
    float interval = barData.getGroupWidth(GROUP_SPACE, 0);
    float fromX = 0;

    for (int i = 0; i < maxEntryCount; i++) {
        float start = fromX;
        fromX += groupSpaceWidthHalf;

        for (IBarDataSet set : barData.getDataSets()) {
            fromX += barWidthHalf;
            if (i < set.getEntryCount()) {
                BarEntry entry = set.getEntryForIndex(i);
                if (entry != null) {
                    entry.setX(fromX);
                }
            }
            fromX += barWidthHalf;
        }

        fromX += groupSpaceWidthHalf;
        float end = fromX;
        float innerInterval = end - start;
        float diff = interval - innerInterval;

        // correct rounding errors
        if (diff > 0 || diff < 0) {
            fromX += diff;
        }
    }
    barData.notifyDataChanged();
}

Example 3

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

4 votes

@Override
protected void drawDataSet(Canvas c, IBarDataSet dataSet, int index) {

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

    mBarBorderPaint.setColor(dataSet.getBarBorderColor());
    mBarBorderPaint.setStrokeWidth(Utils.convertDpToPixel(dataSet.getBarBorderWidth()));

    final boolean drawBorder = dataSet.getBarBorderWidth() > 0.f;

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

    // draw the bar shadow before the values
    if (mChart.isDrawBarShadowEnabled()) {
        mShadowPaint.setColor(dataSet.getBarShadowColor());

        BarData barData = mChart.getBarData();

        final float barWidth = barData.getBarWidth();
        final float barWidthHalf = barWidth / 2.0f;
        float x;

        for (int i = 0, count = Math.min((int) (Math.ceil((float) (dataSet.getEntryCount()) * phaseX)), dataSet.getEntryCount());
             i < count;
             i++) {

            BarEntry e = dataSet.getEntryForIndex(i);

            x = e.getX();

            mBarShadowRectBuffer.top = x - barWidthHalf;
            mBarShadowRectBuffer.bottom = x + barWidthHalf;

            trans.rectValueToPixel(mBarShadowRectBuffer);

            if (!mViewPortHandler.isInBoundsTop(mBarShadowRectBuffer.bottom)) {
                continue;
            }

            if (!mViewPortHandler.isInBoundsBottom(mBarShadowRectBuffer.top)) {
                break;
            }

            mBarShadowRectBuffer.left = mViewPortHandler.contentLeft();
            mBarShadowRectBuffer.right = mViewPortHandler.contentRight();

            c.drawRect(mBarShadowRectBuffer, mShadowPaint);
        }
    }

    // initialize the buffer
    BarBuffer buffer = mBarBuffers[index];
    buffer.setPhases(phaseX, phaseY);
    buffer.setDataSet(index);
    buffer.setInverted(mChart.isInverted(dataSet.getAxisDependency()));
    buffer.setBarWidth(mChart.getBarData().getBarWidth());

    buffer.feed(dataSet);

    trans.pointValuesToPixel(buffer.buffer);

    final boolean isSingleColor = dataSet.getColors().size() == 1;

    if (isSingleColor) {
        mRenderPaint.setColor(dataSet.getColor());
    }

    for (int j = 0; j < buffer.size(); j += 4) {

        if (!mViewPortHandler.isInBoundsTop(buffer.buffer[j + 3])) {
            break;
        }

        if (!mViewPortHandler.isInBoundsBottom(buffer.buffer[j + 1])) {
            continue;
        }

        if (!isSingleColor) {
            // Set the color for the currently drawn value. If the index
            // is out of bounds, reuse colors.
            mRenderPaint.setColor(dataSet.getColor(j / 4));
        }

        c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                buffer.buffer[j + 3], mRenderPaint);

        if (drawBorder) {
            c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                    buffer.buffer[j + 3], mBarBorderPaint);
        }
    }
}

Example 4

Source File: BarChartRenderer.java From Ticket-Analysis with MIT License

4 votes

protected void drawDataSet(Canvas c, IBarDataSet dataSet, int index) {

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

        mBarBorderPaint.setColor(dataSet.getBarBorderColor());
        mBarBorderPaint.setStrokeWidth(Utils.convertDpToPixel(dataSet.getBarBorderWidth()));

        final boolean drawBorder = dataSet.getBarBorderWidth() > 0.f;

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

        // draw the bar shadow before the values
        if (mChart.isDrawBarShadowEnabled()) {
            mShadowPaint.setColor(dataSet.getBarShadowColor());

            BarData barData = mChart.getBarData();

            final float barWidth = barData.getBarWidth();
            final float barWidthHalf = barWidth / 2.0f;
            float x;

            for (int i = 0, count = Math.min((int)(Math.ceil((float)(dataSet.getEntryCount()) * phaseX)), dataSet.getEntryCount());
                i < count;
                i++) {

                BarEntry e = dataSet.getEntryForIndex(i);

                x = e.getX();

                mBarShadowRectBuffer.left = x - barWidthHalf;
                mBarShadowRectBuffer.right = x + barWidthHalf;

                trans.rectValueToPixel(mBarShadowRectBuffer);

                if (!mViewPortHandler.isInBoundsLeft(mBarShadowRectBuffer.right))
                    continue;

                if (!mViewPortHandler.isInBoundsRight(mBarShadowRectBuffer.left))
                    break;

                mBarShadowRectBuffer.top = mViewPortHandler.contentTop();
                mBarShadowRectBuffer.bottom = mViewPortHandler.contentBottom();

                c.drawRect(mBarShadowRectBuffer, mShadowPaint);
            }
        }

        // initialize the buffer
        BarBuffer buffer = mBarBuffers[index];
        buffer.setPhases(phaseX, phaseY);
        buffer.setDataSet(index);
        buffer.setInverted(mChart.isInverted(dataSet.getAxisDependency()));
        buffer.setBarWidth(mChart.getBarData().getBarWidth());

        buffer.feed(dataSet);

        trans.pointValuesToPixel(buffer.buffer);

        final boolean isSingleColor = dataSet.getColors().size() == 1;

        if (isSingleColor) {
            mRenderPaint.setColor(dataSet.getColor());
        }

        for (int j = 0; j < buffer.size(); j += 4) {

            if (!mViewPortHandler.isInBoundsLeft(buffer.buffer[j + 2]))
                continue;

            if (!mViewPortHandler.isInBoundsRight(buffer.buffer[j]))
                break;

            if (!isSingleColor) {
                // Set the color for the currently drawn value. If the index
                // is out of bounds, reuse colors.
                mRenderPaint.setColor(dataSet.getColor(j / 4));
            }

            c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                    buffer.buffer[j + 3], mRenderPaint);

            if (drawBorder) {
                c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                        buffer.buffer[j + 3], mBarBorderPaint);
            }
        }
    }

Example 5

Source File: HorizontalBarChartRenderer.java From Ticket-Analysis with MIT License

4 votes

@Override
protected void drawDataSet(Canvas c, IBarDataSet dataSet, int index) {

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

    mBarBorderPaint.setColor(dataSet.getBarBorderColor());
    mBarBorderPaint.setStrokeWidth(Utils.convertDpToPixel(dataSet.getBarBorderWidth()));

    final boolean drawBorder = dataSet.getBarBorderWidth() > 0.f;

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

    // draw the bar shadow before the values
    if (mChart.isDrawBarShadowEnabled()) {
        mShadowPaint.setColor(dataSet.getBarShadowColor());

        BarData barData = mChart.getBarData();

        final float barWidth = barData.getBarWidth();
        final float barWidthHalf = barWidth / 2.0f;
        float x;

        for (int i = 0, count = Math.min((int)(Math.ceil((float)(dataSet.getEntryCount()) * phaseX)), dataSet.getEntryCount());
             i < count;
             i++) {

            BarEntry e = dataSet.getEntryForIndex(i);

            x = e.getX();

            mBarShadowRectBuffer.top = x - barWidthHalf;
            mBarShadowRectBuffer.bottom = x + barWidthHalf;

            trans.rectValueToPixel(mBarShadowRectBuffer);

            if (!mViewPortHandler.isInBoundsTop(mBarShadowRectBuffer.bottom))
                continue;

            if (!mViewPortHandler.isInBoundsBottom(mBarShadowRectBuffer.top))
                break;

            mBarShadowRectBuffer.left = mViewPortHandler.contentLeft();
            mBarShadowRectBuffer.right = mViewPortHandler.contentRight();

            c.drawRect(mBarShadowRectBuffer, mShadowPaint);
        }
    }

    // initialize the buffer
    BarBuffer buffer = mBarBuffers[index];
    buffer.setPhases(phaseX, phaseY);
    buffer.setDataSet(index);
    buffer.setInverted(mChart.isInverted(dataSet.getAxisDependency()));
    buffer.setBarWidth(mChart.getBarData().getBarWidth());

    buffer.feed(dataSet);

    trans.pointValuesToPixel(buffer.buffer);

    final boolean isSingleColor = dataSet.getColors().size() == 1;

    if (isSingleColor) {
        mRenderPaint.setColor(dataSet.getColor());
    }

    for (int j = 0; j < buffer.size(); j += 4) {

        if (!mViewPortHandler.isInBoundsTop(buffer.buffer[j + 3]))
            break;

        if (!mViewPortHandler.isInBoundsBottom(buffer.buffer[j + 1]))
            continue;

        if (!isSingleColor) {
            // Set the color for the currently drawn value. If the index
            // is out of bounds, reuse colors.
            mRenderPaint.setColor(dataSet.getColor(j / 4));
        }

        c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                buffer.buffer[j + 3], mRenderPaint);

        if (drawBorder) {
            c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                    buffer.buffer[j + 3], mBarBorderPaint);
        }
    }
}

Example 6

Source File: BarChartRenderer.java From android-kline with Apache License 2.0

4 votes

protected void drawDataSet(Canvas c, IBarDataSet dataSet, int index) {

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

        mBarBorderPaint.setColor(dataSet.getBarBorderColor());
        mBarBorderPaint.setStrokeWidth(Utils.convertDpToPixel(dataSet.getBarBorderWidth()));

        final boolean drawBorder = dataSet.getBarBorderWidth() > 0.f;

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

        // draw the bar shadow before the values
        if (mChart.isDrawBarShadowEnabled()) {
            mShadowPaint.setColor(dataSet.getBarShadowColor());

            BarData barData = mChart.getBarData();

            final float barWidth = barData.getBarWidth();
            final float barWidthHalf = barWidth / 2.0f;
            float x;

            for (int i = 0, count = Math.min((int)(Math.ceil((float)(dataSet.getEntryCount()) * phaseX)), dataSet.getEntryCount());
                i < count;
                i++) {

                BarEntry e = dataSet.getEntryForIndex(i);

                x = e.getX();

                mBarShadowRectBuffer.left = x - barWidthHalf;
                mBarShadowRectBuffer.right = x + barWidthHalf;

                trans.rectValueToPixel(mBarShadowRectBuffer);

                if (!mViewPortHandler.isInBoundsLeft(mBarShadowRectBuffer.right))
                    continue;

                if (!mViewPortHandler.isInBoundsRight(mBarShadowRectBuffer.left))
                    break;

                mBarShadowRectBuffer.top = mViewPortHandler.contentTop();
                mBarShadowRectBuffer.bottom = mViewPortHandler.contentBottom();

                c.drawRect(mBarShadowRectBuffer, mShadowPaint);
            }
        }

        // initialize the buffer
        BarBuffer buffer = mBarBuffers[index];
        buffer.setPhases(phaseX, phaseY);
        buffer.setDataSet(index);
        buffer.setInverted(mChart.isInverted(dataSet.getAxisDependency()));
        buffer.setBarWidth(mChart.getBarData().getBarWidth());

        buffer.feed(dataSet);

        trans.pointValuesToPixel(buffer.buffer);

        final boolean isSingleColor = dataSet.getColors().size() == 1;

        if (isSingleColor) {
            mRenderPaint.setColor(dataSet.getColor());
        }

        for (int j = 0; j < buffer.size(); j += 4) {

            if (!mViewPortHandler.isInBoundsLeft(buffer.buffer[j + 2]))
                continue;

            if (!mViewPortHandler.isInBoundsRight(buffer.buffer[j]))
                break;

            if (!isSingleColor) {
                // Set the color for the currently drawn value. If the index
                // is out of bounds, reuse colors.
                mRenderPaint.setColor(dataSet.getColor(j / 4));
            }

            c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                    buffer.buffer[j + 3], mRenderPaint);

            if (drawBorder) {
                c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                        buffer.buffer[j + 3], mBarBorderPaint);
            }
        }
    }

Example 7

Source File: HorizontalBarChartRenderer.java From android-kline with Apache License 2.0

4 votes

@Override
protected void drawDataSet(Canvas c, IBarDataSet dataSet, int index) {

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

    mBarBorderPaint.setColor(dataSet.getBarBorderColor());
    mBarBorderPaint.setStrokeWidth(Utils.convertDpToPixel(dataSet.getBarBorderWidth()));

    final boolean drawBorder = dataSet.getBarBorderWidth() > 0.f;

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

    // draw the bar shadow before the values
    if (mChart.isDrawBarShadowEnabled()) {
        mShadowPaint.setColor(dataSet.getBarShadowColor());

        BarData barData = mChart.getBarData();

        final float barWidth = barData.getBarWidth();
        final float barWidthHalf = barWidth / 2.0f;
        float x;

        for (int i = 0, count = Math.min((int)(Math.ceil((float)(dataSet.getEntryCount()) * phaseX)), dataSet.getEntryCount());
             i < count;
             i++) {

            BarEntry e = dataSet.getEntryForIndex(i);

            x = e.getX();

            mBarShadowRectBuffer.top = x - barWidthHalf;
            mBarShadowRectBuffer.bottom = x + barWidthHalf;

            trans.rectValueToPixel(mBarShadowRectBuffer);

            if (!mViewPortHandler.isInBoundsTop(mBarShadowRectBuffer.bottom))
                continue;

            if (!mViewPortHandler.isInBoundsBottom(mBarShadowRectBuffer.top))
                break;

            mBarShadowRectBuffer.left = mViewPortHandler.contentLeft();
            mBarShadowRectBuffer.right = mViewPortHandler.contentRight();

            c.drawRect(mBarShadowRectBuffer, mShadowPaint);
        }
    }

    // initialize the buffer
    BarBuffer buffer = mBarBuffers[index];
    buffer.setPhases(phaseX, phaseY);
    buffer.setDataSet(index);
    buffer.setInverted(mChart.isInverted(dataSet.getAxisDependency()));
    buffer.setBarWidth(mChart.getBarData().getBarWidth());

    buffer.feed(dataSet);

    trans.pointValuesToPixel(buffer.buffer);

    final boolean isSingleColor = dataSet.getColors().size() == 1;

    if (isSingleColor) {
        mRenderPaint.setColor(dataSet.getColor());
    }

    for (int j = 0; j < buffer.size(); j += 4) {

        if (!mViewPortHandler.isInBoundsTop(buffer.buffer[j + 3]))
            break;

        if (!mViewPortHandler.isInBoundsBottom(buffer.buffer[j + 1]))
            continue;

        if (!isSingleColor) {
            // Set the color for the currently drawn value. If the index
            // is out of bounds, reuse colors.
            mRenderPaint.setColor(dataSet.getColor(j / 4));
        }

        c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                buffer.buffer[j + 3], mRenderPaint);

        if (drawBorder) {
            c.drawRect(buffer.buffer[j], buffer.buffer[j + 1], buffer.buffer[j + 2],
                    buffer.buffer[j + 3], mBarBorderPaint);
        }
    }
}