Example usage for android.graphics Canvas save

Introduction

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

Prototype

public int save()

Source Link

Document

Saves the current matrix and clip onto a private stack.

Usage

From source file:im.ene.lab.io_timer.ui.widget.MiniDrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final int restoreCount = canvas.save();
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);
    return result;
}

From source file:com.chartiq.chartiqsample.ui.StickyHeaderDecoration.java

/**
 * {@inheritDoc}/*from   ww w.j  av  a2 s.com*/
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        final int adapterPos = parent.getChildAdapterPosition(child);
        if (child.getVisibility() == View.GONE) {
            continue;
        }

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top);

                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

From source file:com.android.photos.views.GalleryThumbnailView.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);

    if (!mLeftEdge.isFinished()) {
        final int restoreCount = canvas.save();
        final int height = getHeight() - getPaddingTop() - getPaddingBottom();

        canvas.rotate(270);/*  w w w  . j  a  v a 2 s. c om*/
        canvas.translate(-height + getPaddingTop(), 0);
        mLeftEdge.setSize(height, getWidth());
        if (mLeftEdge.draw(canvas)) {
            postInvalidateOnAnimation();
        }
        canvas.restoreToCount(restoreCount);
    }
    if (!mRightEdge.isFinished()) {
        final int restoreCount = canvas.save();
        final int width = getWidth();
        final int height = getHeight() - getPaddingTop() - getPaddingBottom();

        canvas.rotate(90);
        canvas.translate(-getPaddingTop(), width);
        mRightEdge.setSize(height, width);
        if (mRightEdge.draw(canvas)) {
            postInvalidateOnAnimation();
        }
        canvas.restoreToCount(restoreCount);
    }
}

From source file:com.dongdong.wheel.WheelView.java

/**
 * Draws items/*from   www  .  j a  v  a 2 s  .c  om*/
 *
 * @param canvas the canvas for drawing
 */
private void drawItems(Canvas canvas) {
    canvas.save();

    int top = mItemsLayout.getLineTop(1);
    canvas.translate(0, -top + mScrollingOffset);

    mItemsPaint.setColor(ITEMS_TEXT_COLOR);
    mItemsPaint.drawableState = getDrawableState();
    mItemsLayout.draw(canvas);

    canvas.restore();
}

From source file:cn.lanmei.com.dingdong_2.ItemDecoration.StickyHeaderDecoration.java

/**
 * {@inheritDoc}// ww  w  . j  av  a 2s . c  o m
 */
@Override
public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
    //        final int count = parent.getChildCount();
    LRecyclerViewAdapter adapter = (LRecyclerViewAdapter) parent.getAdapter();
    RecyclerView.Adapter ra = adapter.getInnerAdapter();
    final int count = ra.getItemCount();

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);

        final int adapterPos = parent.getChildAdapterPosition(child);

        //            L.MyLog("sticky","onDrawOver:"+adapterPos+"getItemCount"+count);
        if (adapterPos != RecyclerView.NO_POSITION && (layoutPos == 0 || hasHeader(adapterPos))) {

            View header = getHeader(parent, adapterPos).itemView;
            c.save();
            final int left = child.getLeft();
            final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
            c.translate(left, top);
            header.setTranslationX(left);
            header.setTranslationY(top);
            header.draw(c);
            c.restore();
        }
    }
}

From source file:com.mukesh.OtpView.java

@Override
protected void onDraw(Canvas canvas) {
    canvas.save();
    updatePaints();
    drawOtpView(canvas);
    canvas.restore();
}

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

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

    Drawable d = mCurrentDrawable;/*from  w  ww. jav  a2 s . com*/
    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();
    }
}

From source file:com.am.pagergradienttab.view.PagerGradientTabStrip.java

/**
 * /*from  w  w  w.  ja  v  a2s . c o  m*/
 * 
 * @param canvas
 */
private void drawText(Canvas canvas) {
    float x = getPaddingLeft() + itemWidth / 2;
    int y = getHeight() - getPaddingBottom() - indicatorHeight - underLineHeight;
    int position = 0;
    for (String text : tabs) {
        canvas.save();
        mTextPaint.setColor(textColorNormal);
        mTextPaint.setTextAlign(Align.LEFT);
        mTextPaint.setTextSize(textSize);
        if (showTextGradient) {
            if (position == nextPager) {
                mTextPaint.setColor(getColor(textColorNormal, textColorSelected, textSizeOffset));
            } else if (position == currectPager) {
                mTextPaint.setColor(getColor(textColorNormal, textColorSelected, 1 - textSizeOffset));
            } else {
                mTextPaint.setColor(textColorNormal);
            }
        }
        if (showTextScale) {
            if (position == nextPager) {
                canvas.translate(x - mTextPaint.measureText(text) * (1 + textSizeOffset * magnification) / 2,
                        y - textTop);
                canvas.scale(1 + textSizeOffset * magnification, 1 + textSizeOffset * magnification);
            } else if (position == currectPager) {
                canvas.translate(
                        x - mTextPaint.measureText(text) * (1 + (1 - textSizeOffset) * magnification) / 2,
                        y - textTop);
                canvas.scale(1 + (1 - textSizeOffset) * magnification,
                        1 + (1 - textSizeOffset) * magnification);
            } else {
                canvas.translate(x - mTextPaint.measureText(text) / 2, y - textTop);
                canvas.scale(1, 1);
            }
        } else {
            canvas.translate(x - mTextPaint.measureText(text) / 2, y - textTop);
        }
        canvas.drawText(text, 0, 0, mTextPaint);
        x += itemWidth + intervalWidth;
        position++;
        canvas.restore();
    }
}

From source file:ru.mahortov.listviewcustom.ListView.PinnedSectionListView.java

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

    if (mPinnedSection != null) {

        // prepare variables
        int pLeft = getListPaddingLeft();
        int pTop = getListPaddingTop();
        View view = mPinnedSection.view;

        // draw child
        canvas.save();

        int clipHeight = view.getHeight()
                + (mShadowDrawable == null ? 0 : Math.min(mShadowHeight, mSectionsDistanceY));
        canvas.clipRect(pLeft, pTop, pLeft + view.getWidth(), pTop + clipHeight);

        canvas.translate(pLeft, pTop + mTranslateY);
        drawChild(canvas, mPinnedSection.view, getDrawingTime());

        if (mShadowDrawable != null && mSectionsDistanceY > 0) {
            mShadowDrawable.setBounds(mPinnedSection.view.getLeft(), mPinnedSection.view.getBottom(),
                    mPinnedSection.view.getRight(), mPinnedSection.view.getBottom() + mShadowHeight);
            mShadowDrawable.draw(canvas);
        }// w w w  .  j  av a  2 s .c  om

        canvas.restore();
    }
}

From source file:com.appsimobile.appsii.module.home.SunriseDrawable.java

private void drawSun(Canvas canvas, float pct) {

    // Draw the dots
    canvas.drawCircle(mBezier1x, mBezier1y, mDotRadius, mDotPaint);
    canvas.drawCircle(mBezier4x, mBezier4y, mDotRadius, mDotPaint);

    // calculate the center point of the sun image
    float x = bezierInterpolation(pct, mBezier1x, mBezier2x, mBezier3x, mBezier4x);
    float y = bezierInterpolation(pct, mBezier1y, mBezier2y, mBezier3y, mBezier4y);

    Rect sunBounds = mSunImage.getBounds();

    x -= sunBounds.width() / 2;//  w w w .  j ava  2s.c  o m
    y -= sunBounds.height() / 2;

    // if we are in rtl, we still want to show the image normally
    // so flip it back
    canvas.translate(x, y);
    if (mIsRtl) {
        canvas.save();
        canvas.scale(-1, 1, sunBounds.centerX(), sunBounds.centerY());
    }
    // draw the sun image
    mSunImage.draw(canvas);
    // restore the flip again
    if (mIsRtl) {
        canvas.restore();
    }
    canvas.translate(-x, -y);

}