Example usage for android.graphics Canvas 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:base.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;/*from ww w.j a  v a2 s . c  om*/
    }

    final int height = getHeight();
    // draw indicator line
    rectPaint.setColor(indicatorColor);
    Pair<Float, Float> lines = getIndicatorCoordinates();
    canvas.drawRect(lines.first + paddingLeft, height - indicatorHeight, lines.second + paddingRight, height,
            rectPaint);
    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(paddingLeft, height - underlineHeight, tabsContainer.getWidth() + paddingRight, height,
            rectPaint);
    // draw divider
    if (dividerWidth != 0) {
        dividerPaint.setStrokeWidth(dividerWidth);
        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.wangbb.naruto.app.view.PagerSlidingTabStrip.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. co  m
    }

    final int height = getHeight();

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

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

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

    // 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() + iLinePadding;
        final float nextTabRight = nextTab.getRight() - iLinePadding;

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

    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, 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.fragmentdemo.views.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;/* w ww  .  j  a va2 s.co m*/
    }

    final int height = getHeight();

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

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

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft() + iLinePadding;
    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() + iLinePadding;
        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 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.tomeokin.widget.jotablayout2.JoTabLayout.java

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

    // draw underline
    if (mUnderlineHeight > 0) {
        mUnderlinePaint.setColor(mUnderlineColor);

        // ? GRAVITY_BOTTOM
        // getMeasuredHeight  view 
        // getHeight ? android:clipToPadding="true" getHeight()

        if (mUnderlineGravity == GRAVITY_BOTTOM) {
            canvas.drawRect(getPaddingLeft(), getHeight() - mUnderlineHeight, getWidth() + getPaddingLeft(),
                    getHeight(), mUnderlinePaint);
        } else {/*from  w w  w . ja v a 2 s.  co m*/
            canvas.drawRect(getPaddingLeft(), 0, getWidth() + getPaddingLeft(), mUnderlineHeight,
                    mUnderlinePaint);
        }
    }

    // draw divider
    if (mDividerWidth > 0) {
        mDividerPaint.setStrokeWidth(mDividerWidth);
        mDividerPaint.setColor(mDividerColor);
        View tab;
        for (int i = 0; i < mTabCount - 1; i++) {
            tab = getChildAt(i);
            canvas.drawLine(getPaddingLeft() + tab.getRight(), mDividerVerticalPadding,
                    getPaddingLeft() + tab.getRight(), getHeight() - mDividerVerticalPadding, mDividerPaint);
        }
    }

    calIndicatorRect();
    mIndicatorRect.left += mIndicatorAnimOffset;
    mIndicatorRect.right = mIndicatorRect.left + (int) mIndicatorWidth;

    if (mIndicatorShape != SHAPE_NONE) {
        if (mIndicatorShape == SHAPE_TRIANGLE) {
            mTrianglePaint.setColor(mIndicatorColor);
            mTrianglePath.reset();
            mTrianglePath.moveTo(mIndicatorRect.left, getHeight());
            mTrianglePath.lineTo(mIndicatorRect.left / 2 + mIndicatorRect.right / 2,
                    getHeight() - mIndicatorHeight);
            mTrianglePath.lineTo(mIndicatorRect.right, getHeight());
            mTrianglePath.close();
            canvas.drawPath(mTrianglePath, mTrianglePaint);
        } else if (mIndicatorShape == SHAPE_LINE) {
            mIndicatorDrawable.setColor(mIndicatorColor);
            if (mIndicatorGravity == GRAVITY_BOTTOM) {
                mIndicatorDrawable.setBounds(mIndicatorRect.left, getHeight() - (int) mIndicatorHeight,
                        mIndicatorRect.right, getHeight());
            } else {
                mIndicatorDrawable.setBounds(mIndicatorRect.left, 0, mIndicatorRect.right,
                        (int) mIndicatorHeight);
            }
            mIndicatorDrawable.setCornerRadius(mIndicatorCornerRadius);
            mIndicatorDrawable.draw(canvas);
        } else if (mIndicatorShape == SHAPE_SQUARE) {
            if (mIndicatorCornerRadius <= 0 || mIndicatorCornerRadius > mIndicatorHeight / 2) {
                mIndicatorCornerRadius = mIndicatorHeight / 2;
            }
            mIndicatorRect.top = (int) ((getHeight() - mIndicatorHeight) / 2);
            mIndicatorRect.bottom = mIndicatorRect.top + (int) mIndicatorHeight;

            mIndicatorDrawable.setColor(mIndicatorColor);
            mIndicatorDrawable.setBounds(mIndicatorRect.left, mIndicatorRect.top, mIndicatorRect.right,
                    mIndicatorRect.bottom);
            mIndicatorDrawable.setCornerRadius(mIndicatorCornerRadius);
            mIndicatorDrawable.draw(canvas);
        }
    }
}

---

From source file:com.visenze.visearch.camerademo.views.RoundImageView.java

@Override
protected void onDraw(Canvas canvas) {

    if (mBounds == null) {
        return;/*from   w  ww  .j  ava  2 s . co m*/
    }

    int width = mBounds.width();
    int height = mBounds.height();

    if (width == 0 || height == 0) {
        return;
    }

    canvas.setDrawFilter(new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG));

    if (!mCacheValid || width != mCachedWidth || height != mCachedHeight) {

        // Need to redraw the cache
        if (width == mCachedWidth && height == mCachedHeight) {
            // Have a correct-sized bitmap cache already allocated. Just erase it.
            mCacheBitmap.eraseColor(0);
        } else {
            // Allocate a new bitmap with the correct dimensions.
            mCacheBitmap.recycle();
            //noinspection AndroidLintDrawAllocation
            mCacheBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
            mCachedWidth = width;
            mCachedHeight = height;
        }

        Canvas cacheCanvas = new Canvas(mCacheBitmap);
        cacheCanvas
                .setDrawFilter(new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG));
        if (mMaskDrawable != null) {
            int sc = cacheCanvas.save();
            mMaskDrawable.draw(cacheCanvas);
            mMaskedPaint.setColorFilter((mDesaturateOnPress && isPressed()) ? mDesaturateColorFilter : null);
            cacheCanvas.saveLayer(mBoundsF, mMaskedPaint,
                    Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.FULL_COLOR_LAYER_SAVE_FLAG);
            super.onDraw(cacheCanvas);
            cacheCanvas.restoreToCount(sc);
        } else if (mDesaturateOnPress && isPressed()) {
            int sc = cacheCanvas.save();
            cacheCanvas.drawRect(0, 0, mCachedWidth, mCachedHeight, mBlackPaint);
            mMaskedPaint.setColorFilter(mDesaturateColorFilter);
            cacheCanvas.saveLayer(mBoundsF, mMaskedPaint,
                    Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.FULL_COLOR_LAYER_SAVE_FLAG);
            super.onDraw(cacheCanvas);
            cacheCanvas.restoreToCount(sc);
        } else {
            super.onDraw(cacheCanvas);
        }

        if (mBorderDrawable != null) {
            mBorderDrawable.draw(cacheCanvas);
        }
    }

    // Draw from cache
    canvas.drawBitmap(mCacheBitmap, mBounds.left, mBounds.top, null);
}

---

From source file:com.hua.weget.PagerSlidingTabStrip.java

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

    LogUtils2.i("onDraw------------------------");

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

    final int height = getHeight();
    LogUtils2.w("getHeight();==" + getHeight());

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

    // 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();
        LogUtils2.d("currentPositionOffset==" + currentPositionOffset);
        LogUtils2.d("nextTabLeft==" + nextTabLeft);
        LogUtils2.d("lineLeft==" + lineLeft);

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

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

    }

    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, 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.ashish.routofy.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;//w  ww  .j  av  a  2  s .c  om
    }

    final int height = getHeight();
    // draw indicator line
    rectPaint.setColor(indicatorColor);
    Pair<Float, Float> lines = getIndicatorCoordinates();
    canvas.drawRect(lines.first + paddingLeft, height - indicatorHeight, lines.second + paddingLeft, height,
            rectPaint);
    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(paddingLeft, height - underlineHeight, tabsContainer.getWidth() + paddingRight, height,
            rectPaint);
    // draw divider
    if (dividerWidth != 0) {
        dividerPaint.setStrokeWidth(dividerWidth);
        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.lovebridge.library.view.viewpagerindicator.UnderlinePageIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (mViewPager == null) {
        return;/*w ww .j  a  va  2  s.  c om*/
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }
    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }
    final int paddingLeft = getPaddingLeft();
    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();
    canvas.drawRect(left, top, right, bottom, mPaint);
}

---

From source file:com.freud.mrzz.views.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;//from w w w  .  j  ava2  s. com
    }

    final int height = getHeight();
    // draw indicator line
    rectPaint.setColor(indicatorColor);
    Pair<Float, Float> lines = getIndicatorCoordinates();
    canvas.drawRect(lines.first + padding, height - indicatorHeight, lines.second + padding, height, rectPaint);
    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(padding, height - underlineHeight, tabsContainer.getWidth() + padding, height, rectPaint);
    // draw divider
    if (dividerWidth != 0) {
        dividerPaint.setStrokeWidth(dividerWidth);
        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.wanikani.androidnotifier.graph.TYPlot.java

/**
 * Draws a segment without data/*from   w  w w.ja  v a2  s.c  om*/
 * @param canvas the canvas
 * @param i the interval size
 * @return <tt>true</tt> unless this part entirely outside the viewport
 */
protected boolean drawMissing(Canvas canvas, Pager.Interval i) {
    int from, to;

    if (!vp.visible(i))
        return false;

    from = i.start;
    to = Math.min(i.stop + 1, vp.today);

    canvas.drawRect(vp.getRelPosition(from), meas.plotArea.top, vp.getRelPosition(to), meas.plotArea.bottom,
            pas.partial);

    return true;
}

---

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