Example usage for android.graphics Canvas drawRect

List of usage examples for android.graphics Canvas drawRect

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  6. drawRect

Introduction

In this page you can find the example usage for android.graphics Canvas drawRect.

Prototype

public void drawRect(float left, float top, float right, float bottom, @NonNull Paint paint)

Source Link

Document

Draw the specified Rect using the specified paint.

Usage

From source file:com.summer.helper.view.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (isInEditMode() || tabCount == 0) {
        return;// w  w w . j  a  v  a2s  . c o  m
    }

    final int height = getHeight();

    // draw indicator line

    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    // if there is an offset, start interpolating left and right coordinates
    // between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
    }

    //    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height,
    //        rectPaint);
    rectPaint.setStrokeWidth(tabStrokeWith);
    canvas.drawLine(lineLeft + mTabWidth, height - 5, lineRight - mTabWidth, height - 5, rectPaint);

    // draw underline

    rectPaint.setColor(underlineColor);
    rectPaint.setStrokeWidth(3);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw divider

    dividerPaint.setColor(dividerColor);
    for (int i = 0; i < tabCount - 1; i++) {
        View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    }
}

From source file:am.widget.indicatortabstrip.IndicatorTabStrip.java

/**
 * ??//  w  ww . jav a 2s  .c  om
 *
 * @param canvas     
 * @param position   ???
 * @param itemWidth  ?
 * @param itemHeight ?
 */
protected void drawItemGradient(Canvas canvas, int position, int itemWidth, int itemHeight) {
    if (mGradient == null || !mGradient.isStateful())
        return;
    final int normalColor = mGradient.getDefaultColor();
    final int selectedColor = mGradient.getColorForState(SELECTED_STATE_SET, normalColor);
    if (position == mNextPager) {
        mTextPaint.setColor(getColor(normalColor, selectedColor, mOffset));
    } else if (position == mCurrentPager) {
        mTextPaint.setColor(getColor(normalColor, selectedColor, 1 - mOffset));
    } else {
        mTextPaint.setColor(normalColor);
    }
    final float moveX = ViewCompat.getPaddingStart(this) + (itemWidth + getIntervalWidth()) * position;
    final float moveY = getPaddingTop();
    final int restWidth = position == getItemCount() - 1 ? getLastItemWidth() : itemWidth;
    canvas.save();
    canvas.translate(moveX, moveY);
    canvas.drawRect(0, 0, restWidth, itemHeight, mTextPaint);
    canvas.restore();
}

From source file:com.android.customviewpagerindicator.viewpagerindicator.UnderlinePageIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (mViewPager == null) {
        return;//from w  w w.  j  a v a  2s .co m
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }
    /* 1. //?CustomUnderlinePageIndicator paddingLeft?paddingRight
     //paddingLeft?paddingRight?????
     final int paddingLeft = getPaddingLeft();
     //?title??
     final float pageWidth = (getWidth() - paddingLeft - getPaddingRight()) / (1f * count);
     final float left = paddingLeft + pageWidth * (mCurrentPage + mPositionOffset);
     final float right = left + pageWidth;
     final float top = getPaddingTop();
     final float bottom = getHeight() - getPaddingBottom();*/

    // 2.?CustomUnderlinePageIndicator paddingLeft?paddingRight
    //paddingLeft?paddingRight????????
    final int paddingLeft = getPaddingLeft();
    final int paddingRight = getPaddingRight();
    // ?title??
    final float pageWidth = (getWidth()) / (1f * count);
    final float left = paddingLeft + pageWidth * (mCurrentPage + mPositionOffset);
    final float right = left + pageWidth - paddingLeft - paddingRight;
    final float top = getPaddingTop();
    final float bottom = getHeight() - getPaddingBottom();
    canvas.drawRect(left, top, right, bottom, mPaint);
}

From source file:net.droidsolutions.droidcharts.core.renderer.xy.AbstractXYItemRenderer.java

/**
 * Fills a band between two values on the range axis.  This can be used to
 * color bands between the grid lines.//  w  w w  .j  a v  a 2  s  .  c om
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param axis  the range axis.
 * @param dataArea  the data area.
 * @param start  the start value.
 * @param end  the end value.
 */
public void fillRangeGridBand(Canvas g2, XYPlot plot, ValueAxis axis, Rectangle2D dataArea, double start,
        double end) {

    double y1 = axis.valueToJava2D(start, dataArea, plot.getRangeAxisEdge());
    double y2 = axis.valueToJava2D(end, dataArea, plot.getRangeAxisEdge());
    Rectangle2D band;
    if (plot.getOrientation() == PlotOrientation.VERTICAL) {
        band = new Rectangle2D.Double(dataArea.getMinX(), Math.min(y1, y2), dataArea.getWidth(),
                Math.abs(y2 - y1));
    } else {
        band = new Rectangle2D.Double(Math.min(y1, y2), dataArea.getMinY(), Math.abs(y2 - y1),
                dataArea.getHeight());
    }
    Paint paint = plot.getRangeTickBandPaint();

    if (paint != null) {
        paint.setStyle(Paint.Style.FILL);
        g2.drawRect((float) band.getMinX(), (float) band.getMinY(), (float) band.getMaxX(),
                (float) band.getMaxY(), paint);
    }

}

From source file:net.droidsolutions.droidcharts.core.renderer.xy.AbstractXYItemRenderer.java

/**
 * Fills a band between two values on the axis.  This can be used to color
 * bands between the grid lines./*from w  w w .j  av  a2 s  .c o m*/
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param axis  the domain axis.
 * @param dataArea  the data area.
 * @param start  the start value.
 * @param end  the end value.
 */
public void fillDomainGridBand(Canvas g2, XYPlot plot, ValueAxis axis, Rectangle2D dataArea, double start,
        double end) {

    double x1 = axis.valueToJava2D(start, dataArea, plot.getDomainAxisEdge());
    double x2 = axis.valueToJava2D(end, dataArea, plot.getDomainAxisEdge());
    Rectangle2D band;
    if (plot.getOrientation() == PlotOrientation.VERTICAL) {
        band = new Rectangle2D.Double(Math.min(x1, x2), dataArea.getMinY(), Math.abs(x2 - x1),
                dataArea.getWidth());
    } else {
        band = new Rectangle2D.Double(dataArea.getMinX(), Math.min(x1, x2), dataArea.getWidth(),
                Math.abs(x2 - x1));
    }
    Paint paint = plot.getDomainTickBandPaint();

    if (paint != null) {
        paint.setStyle(Paint.Style.FILL);
        g2.drawRect((float) band.getMinX(), (float) band.getMinY(), (float) band.getMaxX(),
                (float) band.getMaxY(), paint);
    }

}

From source file:com.vnp.myvinaphone.util.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    //get screen//from  w  ww.j av  a2  s.c o  m
    //      int h = getHeight();
    //      int w = getWidth();
    //      

    if (isInEditMode() || tabCount == 0) {
        return;
    }

    final int height = getHeight();
    final int width = getWidth();

    // draw indicator line

    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);

    //      float lineLeft = currentTab.getLeft();
    //      float lineRight = currentTab.getRight();

    float lineLeft = currentPosition * width / tabCount;
    float lineRight = (currentPosition + 1) * width / tabCount;

    // if there is an offset, start interpolating left and right coordinates between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        //         final float nextTabLeft = nextTab.getLeft();
        final float nextTabLeft = (currentPosition + 1) * width / tabCount;

        //         final float nextTabRight = nextTab.getRight();
        final float nextTabRight = (currentPosition + 2) * width / tabCount;
        ;
        //
        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);

    }

    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);

    // draw underline

    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw divider

    //      dividerPaint.setColor(dividerColor);
    //      for (int i = 0; i < tabCount - 1; i++) {
    //         View tab = tabsContainer.getChildAt(i);
    ////         canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    //         canvas.drawLine( (i+1)*width/tabCount, dividerPadding, (i+1)*width/tabCount, height - dividerPadding, dividerPaint);
    //      }
}

From source file:com.dashihui.afford.ui.widget.WdtPagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (isInEditMode() || tabCount == 0) {
        return;//from w  w w  .j a v  a  2 s  . c o m
    }

    final int height = getHeight();

    // draw indicator line
    //tab 
    rectPaint.setColor(getResources().getColor(R.color.btfontBlue));
    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();
    // if there is an offset, start interpolating left and right coordinates between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {
        //?tab?
        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();
        if (lineLeft != nextTabLeft && yesBoolean < 3) {
            //??tab
            //?
            //            Log.i(TAG, "??===TTT==nextTabLeft=====>"+nextTabLeft);
            //            Log.i(TAG, "??===TTT==lineLeft=====>"+lineLeft);
            yesBoolean++;
        } else {
            lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
            lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
            yesBoolean++;
        }

    }
    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);

    // draw underline
    //?
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw divider

    dividerPaint.setColor(dividerColor);
    for (int i = 0; i < tabCount - 1; i++) {
        View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    }
}

From source file:com.blestep.sportsbracelet.view.TimelineChartView.java

private void drawBarItems(Canvas c, SparseArray<Object[]> data, double maxValue) {

    final float halfItemBarWidth = mBarItemWidth / 2;
    final float height = mGraphArea.height();
    final Paint seriesBgPaint;
    final Paint highlightSeriesBgPaint;
    synchronized (mLock) {
        seriesBgPaint = mBarItemBgPaint;
        highlightSeriesBgPaint = mHighlightBarItemBgPaint;
    }/*from   w ww.  j  a  v a 2s .  c  o m*/

    // Apply zoom animation
    final float graphCenterX = mGraphArea.left + (mGraphArea.width() / 2);

    final int size = data.size() - 1;
    for (int i = mItemsOnScreen[1]; i >= mItemsOnScreen[0] && i <= data.size(); i--) {
        final float barCenterX = graphCenterX + mCurrentOffset - (mBarWidth * (size - i));
        // ?
        double value = (double) data.valueAt(i)[1];
        float barTop = (float) (height - ((height * ((value * 100) / maxValue)) / 100)) + mTopSpaceHeight;
        float barBottom = height;
        float barLeft = barCenterX - halfItemBarWidth;
        float barRight = barCenterX + halfItemBarWidth;
        final Paint paint;
        // ?
        paint = barLeft < graphCenterX && barRight > graphCenterX
                && (mLastPosition == mCurrentPosition || (mState != STATE_SCROLLING)) ? highlightSeriesBgPaint
                        : seriesBgPaint;
        // 
        c.drawRect(barLeft, mGraphArea.top + barTop, barRight, mGraphArea.top + barBottom, paint);
    }
}

From source file:com.next.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (isInEditMode() || tabCount == 0) {
        return;/*w w  w .j  a v  a 2s  .  co  m*/
    }

    final int height = getHeight();

    // draw indicator line

    rectPaint.setColor(indicatorColor);

    updateTabColor(tabsContainer.getChildAt(currentPosition), 1.0f);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    // if there is an offset, start interpolating left and right coordinates between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);

        /*
        if(currentPositionOffset > 0.5) {
        updateTabColor(currentTab, tabTextColorNormal);
        updateTabColor(nextTab, tabTextColor);
        } else {
        updateTabColor(currentTab, tabTextColor);
        updateTabColor(nextTab, tabTextColorNormal);
        }
        */

        updateTabColor(currentTab, 1 - currentPositionOffset);
        updateTabColor(nextTab, currentPositionOffset);

    }

    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);

    // draw underline

    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw divider

    dividerPaint.setColor(dividerColor);
    for (int i = 0; i < tabCount - 1; i++) {
        View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    }
}

From source file:com.dashihui.afford.ui.widget.WdtPagerTabServerTime.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (isInEditMode() || tabCount == 0) {
        return;/*from w w w  .j  av  a2  s .  co  m*/
    }

    final int height = getHeight();

    // draw indicator line
    //tab 
    rectPaint.setColor(getResources().getColor(R.color.btfontBlue));

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();
    // if there is an offset, start interpolating left and right coordinates between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {
        //?tab?
        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();
        if (lineLeft != nextTabLeft && yesBoolean < 2) {
            //??tab
            //?
            //            Log.i(TAG, "??===TTT==nextTabLeft=====>"+nextTabLeft);
            //            Log.i(TAG, "??===TTT==lineLeft=====>"+lineLeft);
            yesBoolean++;
        } else {
            lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
            lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
            yesBoolean++;
        }

    }
    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);

    // draw underline
    //?
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw divider

    dividerPaint.setColor(dividerColor);
    for (int i = 0; i < tabCount - 1; i++) {
        View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    }
}