Example usage for android.graphics Canvas drawRect

List of usage examples for android.graphics Canvas drawRect

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  4. android.graphics.*
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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.example.jit.home.SlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    final int height = getHeight();
    final int childCount = getChildCount();
    final SlidingTabLayout.TabColorizer tabColorizer = mCustomTabColorizer != null ? mCustomTabColorizer
            : mDefaultTabColorizer;//from  w ww.  j a  v  a2s.  c  o  m

    // Thick colored underline below the current selection
    if (childCount > 0) {
        View selectedTitle = getChildAt(mSelectedPosition);
        int left = selectedTitle.getLeft();
        int right = selectedTitle.getRight();
        int color = tabColorizer.getIndicatorColor(mSelectedPosition);

        if (mSelectionOffset > 0f && mSelectedPosition < (getChildCount() - 1)) {
            int nextColor = tabColorizer.getIndicatorColor(mSelectedPosition + 1);
            if (color != nextColor) {
                color = blendColors(nextColor, color, mSelectionOffset);
            }

            // Draw the selection partway between the tabs
            View nextTitle = getChildAt(mSelectedPosition + 1);
            left = (int) (mSelectionOffset * nextTitle.getLeft() + (1.0f - mSelectionOffset) * left);
            right = (int) (mSelectionOffset * nextTitle.getRight() + (1.0f - mSelectionOffset) * right);
        }

        mSelectedIndicatorPaint.setColor(color);

        canvas.drawRect(left, height - mSelectedIndicatorThickness, right, height, mSelectedIndicatorPaint);
    }

    // Thin underline along the entire bottom edge
    canvas.drawRect(0, height - mBottomBorderThickness, getWidth(), height, mBottomBorderPaint);
}

From source file:bigshots.people_helping_people.scroll_iew_lib.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;//from   w w  w . ja va 2  s .  com
    }

    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

    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);
    }

    updateTextColor();
}

From source file:com.machine.custom.viewpagerindicator.TabUnderlinePageIndicator.java

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

    final int childCount = mTabLayout.getChildCount();
    if (isInEditMode() || childCount == 0) {
        return;//from  ww w. jav a  2  s  .c om
    }

    final int height = getHeight();

    // draw indicator line

    rectPaint.setColor(underlineColor);

    // default: line below current tab
    View currentTab = mTabLayout.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 < childCount - 1) {

        View nextTab = mTabLayout.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);

}

From source file:com.example.android.common.view.SlidingTabLayout2.java

@Override
public void onDraw(Canvas canvas) {
    final int height = getHeight();
    final int childCount = this.getAdapter().getItemCount();

    // Thick colored underline below the current selection
    if (childCount > 0) {
        ViewHolder selectedTitle = this.findViewHolderForAdapterPosition(mSelectedPosition);
        if (selectedTitle != null) {

            System.out.println("childCount:" + childCount + ", mSelectedPosition:" + mSelectedPosition);
            int left = selectedTitle.itemView.getLeft();
            int right = selectedTitle.itemView.getRight();

            if (mSelectionOffset > 0f && mSelectedPosition < (childCount - 1)) {

                // Draw the selection partway between the tabs
                ViewHolder nextTitle = this.findViewHolderForAdapterPosition(mSelectedPosition + 1);
                if (nextTitle != null) {
                    left = (int) (mSelectionOffset * nextTitle.itemView.getLeft()
                            + (1.0f - mSelectionOffset) * left);
                    right = (int) (mSelectionOffset * nextTitle.itemView.getRight()
                            + (1.0f - mSelectionOffset) * right);
                }/*ww  w . j a v  a2  s .c o  m*/
            }

            canvas.drawRect(left, height - 30, right, height, paint);
        }
    }

    // Thin underline along the entire bottom edge
    canvas.drawRect(0, height - 20, getWidth(), height, paint);
    super.onDraw(canvas);
}

From source file:com.tiange.hz.wheelview.widget.WheelView.java

private void drawMask(Canvas canvas) {
    int center = getHeight() / 2;
    int offset = (int) (getItemHeight() / 2 * 1.2);
    /*int maskA = Color.alpha(wheelBackgroundColor);
    int maskR = Color.red(wheelBackgroundColor);
    int maskG = Color.green(wheelBackgroundColor);
    int maskB = Color.blue(wheelBackgroundColor);*/
    int wheelUnSelectedMaskColor = Color.argb((int) (255 * wheelUnselectedMaskAlphaRate), 255, 255, 255);
    Paint paint = new Paint();
    paint.setColor(wheelUnSelectedMaskColor);
    canvas.drawRect(0, 0, getWidth(), center - offset - 1, paint);
    canvas.drawRect(0, center + offset + 1, getWidth(), getHeight(), paint);
}

From source file:com.xiaosu.lib.base.widget.PagerSlidingTabStrip.java

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

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

    // draw underline
    if (mUnderlineHeight > 0) {
        mRectPaint.setColor(mUnderlineColor);
        canvas.drawRect(mPaddingLeft, height - mUnderlineHeight, mTabsContainer.getWidth() + mPaddingRight,
                height, mRectPaint);
    }

    // draw indicator line
    if (mIndicatorHeight > 0) {
        mRectPaint.setColor(mIndicatorColor);
        Pair<Float, Float> lines = getIndicatorCoordinates();
        canvas.drawRect(lines.first + mPaddingLeft + mIndicatorPadding, height - mIndicatorHeight,
                lines.second + mPaddingLeft - mIndicatorPadding, height, mRectPaint);
    }
}

From source file:com.bei.test.view.tab.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || mTabCount == 0) {
        return;//from   www .ja  v a2s .c o m
    }

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

    // draw underline
    if (mUnderlineHeight > 0) {
        mRectPaint.setColor(mUnderlineColor);
        canvas.drawRect(mPaddingLeft, height - mUnderlineHeight, mTabsContainer.getWidth() + mPaddingRight,
                height, mRectPaint);
    }

    // draw indicator line
    if (mIndicatorHeight > 0) {
        mRectPaint.setColor(mIndicatorColor);
        Pair<Float, Float> lines = getIndicatorCoordinates();
        canvas.drawRect(lines.first + mPaddingLeft, height - mIndicatorHeight, lines.second + mPaddingLeft,
                height, mRectPaint);
    }
}

From source file:com.ecomnationmobile.library.Control.PagerSlidingTabStrip.java

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

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

    // draw underline
    if (mUnderlineHeight > 0) {
        mRectPaint.setColor(mUnderlineColor);
        canvas.drawRect(mPaddingLeft, height - mUnderlineHeight, mTabsContainer.getWidth() + mPaddingRight,
                height, mRectPaint);
    }

    // draw indicator line
    if (mIndicatorHeight > 0) {
        mRectPaint.setColor(mIndicatorColor);
        Pair<Float, Float> lines = getIndicatorCoordinates();
        canvas.drawRect(lines.first + mPaddingLeft, height - mIndicatorHeight, lines.second + mPaddingLeft,
                height, mRectPaint);
    }
}

From source file:com.jumeng.shop.view.PagerSlidingTabStrip.java

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

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

    final int height = getHeight();

    rectPaint.setColor(indicatorColor);

    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

    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.wunding.mlplayer.ui.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;//w  w  w . ja  v a 2 s . 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);

    // draw underline

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

    // draw divider
}