Example usage for android.graphics Canvas drawRect

List of usage examples for android.graphics Canvas drawRect

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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.astuetz.PagerSlidingTabStripMy.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 om
    }

    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);

    // draw underline

    //
    Path path = new Path();
    float len = 30;

    //????
    float x1 = lineLeft + (lineRight - lineLeft) / 2;
    float y1 = height - indicatorHeight;
    float x2 = x1 + len / 2;
    float y2 = height;
    float x3 = x1 - len / 2;
    float y3 = height;

    path.moveTo(x1, y1);
    path.lineTo(x2, y3);
    path.lineTo(x3, y3);
    path.lineTo(x1, y1);
    canvas.drawPath(path, rectPaint);

    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.zhongsou.souyue.ui.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;//from w w  w  .j  av  a2s  . co  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();

    for (int i = 0; i < tabCount; i++) {
        View v = tabsContainer.getChildAt(i);
        v.setBackgroundResource(tabBackgroundResId);
        if (i == currentPosition) {
            if (v instanceof TextView) {
                TextView tab = (TextView) v;
                tab.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
                tab.setTextColor(textColor);
            }
        } else {
            if (v instanceof TextView) {
                TextView tab = (TextView) v;
                tab.setTextSize(TypedValue.COMPLEX_UNIT_PX, tabTextSize);
                tab.setTextColor(tabTextColor);
            }
        }
    }

    // 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);

    // 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.example.helloandroid.animation.PagerSlidingTabStrip.java

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

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

    final int height = getHeight();

    // draw indicator line
    rectPaint.setColor(indicatorColor);

    Utility.logd("onDraw : currentPosition = " + currentPosition);
    // 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
    Utility.logd("currentPositionOffset = " + currentPositionOffset);
    Utility.logd("tabCount = " + tabCount);

    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);
    }

    Utility.logd("lineLeft = " + lineLeft + ", indicatorHeight = " + indicatorHeight + ", " + "lineRight = "
            + lineRight + ", height=" + height);

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

    // draw underline
    Utility.logd("height=" + height + ", underlineHeight = " + underlineHeight + ", "
            + "tabsContainer.getWidth() = " + tabsContainer.getWidth());

    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.xiaosu.lib.base.widget.drawerLayout.DrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final boolean drawingContent = child == mContentView;
    int clipBottom = mDrawerView.getTop();

    final int restoreCount = canvas.save();
    if (drawingContent) {
        canvas.clipRect(0, 0, getWidth(), clipBottom);
    }// www  .jav a  2 s  .c o m
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (mScrimOpacity > 0 && drawingContent) {
        final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * mScrimOpacity);
        final int color = imag << 24 | (mScrimColor & 0xffffff);
        mScrimPaint.setColor(color);

        canvas.drawRect(0, 0, getWidth(), clipBottom, mScrimPaint);
    }
    return result;
}

From source file:com.astuetz.PagerSlidingTabStripExtends.java

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

    if (isInEditMode() || tabCount == 0) {
        return;// w  ww .j av a2 s . co 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);
    }
    //indicator
    //        canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);
    Path path = new Path();
    float x1 = (lineRight + lineLeft) / 2;
    float y1 = height - indicatorHeight;
    //
    int triangleWidth = (int) ((lineRight - lineLeft) * 0.40f);
    float x2 = x1 + triangleWidth / 2;
    float y2 = height;
    float x3 = x1 - triangleWidth / 2;
    float y3 = height;

    path.moveTo(x1, y1);
    path.lineTo(x2, y2);
    path.lineTo(x3, y3);
    path.lineTo(x1, y1);
    canvas.drawPath(path, 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.astuetz.PagerSlidingTriangleStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;/*from  w ww .j av 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);

    //
    float x1 = (lineRight + lineLeft) / 2;
    float y1 = height - indicatorHeight;//
    float x2 = x1 - triangleWidth / 2;
    float y2 = height;//
    float x3 = x1 + triangleWidth / 2;
    float y3 = height;//

    Path path = new Path();
    path.moveTo(x1, y1);
    path.lineTo(x2, y2);
    path.lineTo(x3, y3);
    path.lineTo(x1, y1);

    //
    //        rectPaint.setStyle(Style.STROKE);
    //        rectPaint.setStrokeWidth(2);

    canvas.drawPath(path, 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.viewpagerindicator.SquarePageIndicator.java

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

    if (mViewPager == null) {
        return;//from  www  .  j  av a2  s .  c o m
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }

    int longSize;
    int longPaddingBefore;
    int longPaddingAfter;
    int shortPaddingBefore;
    if (mOrientation == HORIZONTAL) {
        longSize = getWidth();
        longPaddingBefore = getPaddingLeft();
        longPaddingAfter = getPaddingRight();
        shortPaddingBefore = getPaddingTop();
    } else {
        longSize = getHeight();
        longPaddingBefore = getPaddingTop();
        longPaddingAfter = getPaddingBottom();
        shortPaddingBefore = getPaddingLeft();
    }

    final float threeRadius = mRadius * 3;
    final float shortOffset = shortPaddingBefore + mRadius;
    float longOffset = longPaddingBefore + mRadius;
    if (mCentered) {
        longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f)
                - ((count * threeRadius) / 2.0f);
    }

    float dX;
    float dY;

    float pageFillRadius = mRadius;
    if (mPaintStroke.getStrokeWidth() > 0) {
        pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    }

    //Draw stroked circles
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        if (mOrientation == HORIZONTAL) {
            dX = drawLong;
            dY = shortOffset;
        } else {
            dX = shortOffset;
            dY = drawLong;
        }
        // Only paint fill if not completely transparent
        if (mPaintPageFill.getAlpha() > 0) {
            canvas.drawRect(dX, dY, dX + 2 * pageFillRadius, dY + 2 * pageFillRadius, mPaintPageFill);
        }

        // Only paint stroke if a stroke width was non-zero
        if (pageFillRadius != mRadius) {
            canvas.drawRect(dX, dY, dX + 2 * mRadius, dY + 2 * mRadius, mPaintStroke);
        }
    }

    //Draw the filled circle according to the current scroll
    float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
    if (!mSnap) {
        cx += mPageOffset * threeRadius;
    }
    if (mOrientation == HORIZONTAL) {
        dX = longOffset + cx;
        dY = shortOffset;
    } else {
        dX = shortOffset;
        dY = longOffset + cx;
    }
    canvas.drawRect(dX, dY, dX + 2 * mRadius, dY + 2 * mRadius, mPaintFill);
}

From source file:com.gx.appstore.lib.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;/*from w  w  w  . j  a va2s. 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);
    }

    // 
    // 
    /**
     x1 = lineLeft+(lineRight-lineLeft)/2;
     y1 = height - indicatorHeight;
            
     x2 = x1 + triangleWidth/2;
     y2 = height;
            
     x3 = x1 - triangleWidth/2;
     y3 = height
     */
    Path path = new Path();
    float x1 = lineLeft + (lineRight - lineLeft) / 2;
    float y1 = height - indicatorHeight;

    int triangleWidth = 30;
    float x2 = x1 + triangleWidth / 2;
    float y2 = height;

    float x3 = x1 - triangleWidth / 2;
    float y3 = height;

    path.moveTo(x1, y1);
    path.lineTo(x2, y2);
    path.lineTo(x3, y3);
    path.lineTo(x1, y1);

    //        canvas.drawPath(path, rectPaint);
    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.astuetz.PagerSlidingTrilateralStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;//w  w  w . j av  a 2  s  . co  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);
    }
    /*modify by HJ begin ??*/
    //
    //canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);
    // ->
    float x1 = (lineLeft + lineRight) / 2;
    float y1 = height - indicatorHeight;

    float x2 = x1 - triangleWidth / 2;
    float y2 = height;

    float x3 = x1 + triangleWidth / 2;
    float y3 = height;

    Path path = new Path();
    path.moveTo(x1, y1);//
    path.lineTo(x2, y2);//2
    path.lineTo(x3, y3);//3
    path.lineTo(x1, y1);//1

    canvas.drawPath(path, rectPaint);

    /*modify by HJ end ??*/
    // 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.ring.widget.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (disableViewPager)
        return;/*from ww  w .ja  va 2  s.  co m*/

    /* ? */
    ViewGroup tabsLayout = getTabsLayout();
    int tabCount = tabsLayout.getChildCount();
    if (tabsLayout == null || tabCount == 0) {
        return;
    }

    View currentTab = tabsLayout.getChildAt(currentPosition);
    if (currentTab == null) {
        return;
    }
    int height = getHeight();
    float slidingBlockLeft = currentTab.getLeft();
    float slidingBlockRight = currentTab.getRight();
    if (currentPositionOffset > 0f && currentPosition < tabsLayout.getChildCount() - 1) {
        View nextTab = tabsLayout.getChildAt(currentPosition + 1);
        if (nextTab != null) {
            final float nextTabLeft = nextTab.getLeft();
            final float nextTabRight = nextTab.getRight();
            slidingBlockLeft = (currentPositionOffset * nextTabLeft
                    + (1f - currentPositionOffset) * slidingBlockLeft);
            slidingBlockRight = (currentPositionOffset * nextTabRight
                    + (1f - currentPositionOffset) * slidingBlockRight);
        }
    }
    if (slidingBlockDrawable != null) {
        // ?
        if (disableTensileSlidingBlock) {
            int center = (int) (slidingBlockLeft + (slidingBlockRight - slidingBlockLeft) / 2);
            slidingBlockLeft = center - slidingBlockDrawable.getIntrinsicWidth() / 2;
            slidingBlockRight = center + slidingBlockDrawable.getIntrinsicWidth() / 2;
        }

        slidingBlockDrawable.setBounds((int) slidingBlockLeft,
                getHeight() - slidingBlockDrawable.getIntrinsicHeight(), (int) slidingBlockRight, getHeight());
        slidingBlockDrawable.draw(canvas);
    } else {

        rectPaint.setColor(barColor);

        canvas.drawRect(slidingBlockLeft, height - barHeight, slidingBlockRight, height, rectPaint);
        rectPaint.setColor(underlineColor);
        canvas.drawRect(0, height - underLineHeight, tabsLayout.getWidth(), height, rectPaint);

    }
    if (isAllowDivider) {
        // draw divider

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