Example usage for android.graphics Canvas restore

Introduction

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

Prototype

public void restore() 

Source Link

Document

This call balances a previous call to save(), and is used to remove all modifications to the matrix/clip state since the last save call.

Usage

From source file:com.taobao.weex.ui.view.WXScrollView.java

@Override
protected void dispatchDraw(Canvas canvas) {
    super.dispatchDraw(canvas);
    if (mCurrentStickyView != null) {
        canvas.save();/*from  w w w. j  a v a2s .c o  m*/
        mCurrentStickyView.getLocationOnScreen(mStickyP);
        int realOffset = (mStickyOffset <= 0 ? mStickyOffset : 0);
        canvas.translate(mStickyP[0], getScrollY() + realOffset);
        canvas.clipRect(0, realOffset, mCurrentStickyView.getWidth(), mCurrentStickyView.getHeight());
        mCurrentStickyView.draw(canvas);
        canvas.restore();
    }
}

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From source file:android.support.v7.widget.DividerItemDecoration.java

private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();/*from   www. ja  v a2  s. c om*/
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(ViewCompat.getTranslationY(child));
        final int top = bottom - mDivider.getIntrinsicHeight();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}

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From source file:com.by_syk.schttable.widget.DividerItemDecoration.java

@SuppressLint("NewApi")
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();/*from www .  j a  va2  s  .c  o  m*/
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(ViewCompat.getTranslationY(child));
        final int top = bottom - mDivider.getIntrinsicHeight();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}

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From source file:android.support.v7.widget.DividerItemDecoration.java

private void drawHorizontal(Canvas canvas, RecyclerView parent) {
    canvas.save();//from   w  w w.  j a va  2  s.co  m
    final int top;
    final int bottom;
    if (parent.getClipToPadding()) {
        top = parent.getPaddingTop();
        bottom = parent.getHeight() - parent.getPaddingBottom();
        canvas.clipRect(parent.getPaddingLeft(), top, parent.getWidth() - parent.getPaddingRight(), bottom);
    } else {
        top = 0;
        bottom = parent.getHeight();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getLayoutManager().getDecoratedBoundsWithMargins(child, mBounds);
        final int right = mBounds.right + Math.round(ViewCompat.getTranslationX(child));
        final int left = right - mDivider.getIntrinsicWidth();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}

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From source file:com.by_syk.lib.nanoiconpack.widget.DividerItemDecoration.java

@SuppressLint("NewApi")
private void drawHorizontal(Canvas canvas, RecyclerView parent) {
    canvas.save();/*from  w w  w  .ja v a2s  .c  om*/
    final int top;
    final int bottom;
    if (parent.getClipToPadding()) {
        top = parent.getPaddingTop();
        bottom = parent.getHeight() - parent.getPaddingBottom();
        canvas.clipRect(parent.getPaddingLeft(), top, parent.getWidth() - parent.getPaddingRight(), bottom);
    } else {
        top = 0;
        bottom = parent.getHeight();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getLayoutManager().getDecoratedBoundsWithMargins(child, mBounds);
        final int right = mBounds.right + Math.round(ViewCompat.getTranslationX(child));
        final int left = right - mDivider.getIntrinsicWidth();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}

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From source file:it.ndorigatti.android.view.MulticolorProgressBar.java

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

    Drawable d = mCurrentDrawable;/*from   w w  w.j  a  va2s  .  c o  m*/
    if (d != null) {
        // Translate canvas so a indeterminate circular progress bar with padding
        // rotates properly in its animation
        canvas.save();
        canvas.translate(getPaddingLeft(), getPaddingTop());
        d.draw(canvas);
        canvas.restore();
    }
}

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From source file:com.yk.notification.util.BitmapUtil.java

/**
 * ?? ??//w  w w  . j  a v  a  2s . co m
 * 
 * @param src
 *            the bitmap object you want proecss
 * @param watermark
 *            the water mark above the src
 * @return return a bitmap object ,if paramter's length is 0,return null
 */
public static Bitmap createWatermarkBitmap(Bitmap src, Bitmap watermark) {
    if (src == null) {
        return null;
    }

    int w = src.getWidth();
    int h = src.getHeight();
    int ww = watermark.getWidth();
    int wh = watermark.getHeight();
    // create the new blank bitmap
    Bitmap newb = Bitmap.createBitmap(w, h, Config.ARGB_8888);// SRC?
    Canvas cv = new Canvas(newb);
    // draw src into
    cv.drawBitmap(src, 0, 0, null);//  00??src
    // draw watermark into
    cv.drawBitmap(watermark, w - ww + 5, h - wh + 5, null);// src??
    // save all clip
    cv.save(Canvas.ALL_SAVE_FLAG);// ?
    // store
    cv.restore();// 
    return newb;
}

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From source file:com.example.view.wheel.WheelView.java

/**
 * Draws items//from w  ww. j  a  v a2  s  .co m
 * @param canvas the canvas for drawing
 */
private void drawItems(Canvas canvas) {
    canvas.save();

    int top = itemsLayout.getLineTop(1);
    canvas.translate(0, -top + scrollingOffset);

    itemsPaint.setColor(ITEMS_TEXT_COLOR);
    itemsPaint.drawableState = getDrawableState();
    itemsLayout.draw(canvas);

    canvas.restore();
}

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From source file:com.ziv.recyclerview.gridview.vertical.DividerGridItemDecoration.java

/**
 * Draw vertical divider//  ww w  .  ja va 2  s  . c  o m
 *
 * @param canvas Canvas to draw into
 * @param parent RecyclerView this ItemDecoration is drawing into
 */
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(ViewCompat.getTranslationY(child));
        final int top = bottom - mDivider.getIntrinsicHeight();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}

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From source file:com.bobomee.android.gank.io.widget.CompactTabLayout.java

@Override
protected void dispatchDraw(Canvas canvas) {
    super.dispatchDraw(canvas);
    if (tabCount == 0) {
        return;//from ww  w . j a  v a 2  s . com
    }
    if (lastTabCount != tabCount) {
        measureTabWidths();
        lastTabCount = tabCount;
    }
    int offset = 0;
    for (int i = 0; i < selectedPosition; i++) {
        offset += tabWidths[i];
    }
    int tabWidth = tabWidths[selectedPosition];
    int indicatorWidth = tabWidth / 5;
    canvas.translate(offset, 0); //  N  tab 
    canvas.translate(indicatorLeftOffset * tabWidth, 0); //  N  tab ????
    canvas.save();
    canvas.translate(0, height - INDICATOR_HEIGHT); // ?
    int halfHoverWidth = tabWidth / 2 - indicatorWidth / 2;
    canvas.drawRect(-2, 0, halfHoverWidth, INDICATOR_HEIGHT + 9, hoverPaint);
    canvas.translate((tabWidth / 2 + indicatorWidth / 2), 0);
    canvas.drawRect(0, 0, halfHoverWidth * 2, INDICATOR_HEIGHT + 9, hoverPaint);
    canvas.restore();
}

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