Example usage for android.graphics Canvas restoreToCount

Introduction

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

Prototype

public void restoreToCount(int saveCount)

Source Link

Document

Efficient way to pop any calls to save() that happened after the save count reached saveCount.

Usage

From source file:com.hippo.nimingban.widget.BottomShadowScrollView.java

@Override
protected void dispatchDraw(@NonNull Canvas canvas) {
    super.dispatchDraw(canvas);
    mShadowDrawable.setBounds(0, 0, getWidth(), mShadowHeight);
    int saved = canvas.save();
    int height = getChildCount() != 0 ? Math.max(getChildAt(0).getHeight(), getHeight()) : getHeight();
    canvas.translate(0, height - mShadowHeight);
    mShadowDrawable.draw(canvas);//ww  w.  j  av a2s .  co m
    canvas.restoreToCount(saved);
}

From source file:com.tr4android.support.extension.widget.CollapsingDrawableHelper.java

public void draw(Canvas canvas) {
    final int saveCount = canvas.save();

    if (mDrawable != null && mDrawIcon) {
        // Let the drawable draw to the canvas (bounds are already set)
        mDrawable.draw(canvas);/*from w ww .  ja  va2 s.c o m*/
    }

    canvas.restoreToCount(saveCount);
}

From source file:com.rks.musicx.misc.widgets.DiagonalLayout.java

@Override
protected void dispatchDraw(Canvas canvas) {
    int saveCount = canvas.saveLayer(0, 0, getWidth(), getHeight(), null, Canvas.ALL_SAVE_FLAG);

    super.dispatchDraw(canvas);

    paint.setXfermode(pdMode);//from   www  .  ja v  a 2  s.co m
    canvas.drawPath(clipPath, paint);

    canvas.restoreToCount(saveCount);
    paint.setXfermode(null);
}

From source file:com.google.android.marvin.utils.HighlightBoundsView.java

@Override
public void onDraw(Canvas c) {
    final int saveCount = c.save();
    c.translate(-SCREEN_LOCATION[0], -SCREEN_LOCATION[1]);
    c.setMatrix(mMatrix);/* w w  w.j  a  va 2 s  .c  o  m*/

    mPaint.setColor(mHighlightColor);

    for (AccessibilityNodeInfoCompat node : mNodes) {
        node.getBoundsInScreen(mTemp);
        c.drawRect(mTemp, mPaint);
    }

    c.restoreToCount(saveCount);
}

From source file:com.tr4android.support.extension.drawable.IndeterminateProgressDrawable.java

@Override
public void draw(Canvas canvas) {
    int saveCount = canvas.save();
    canvas.rotate(mRotation, mArcRect.centerX(), mArcRect.centerY());

    float startAngle = -90 + 360 * (mOffset + mStart);
    float sweepAngle = 360 * (mEnd - mStart);
    canvas.drawArc(mArcRect, startAngle, sweepAngle, false, mArcPaint);

    canvas.restoreToCount(saveCount);
}

From source file:com.h6ah4i.android.widget.advrecyclerview.draggable.EdgeEffectDecorator.java

@Override
public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
    boolean needsInvalidate = false;

    if (mTopGlow != null && !mTopGlow.isFinished()) {
        final int restore = c.save();
        if (getClipToPadding(parent)) {
            c.translate(parent.getPaddingLeft(), parent.getPaddingTop());
        }/*from  w  w w. ja va2 s .c om*/
        //noinspection ConstantConditions
        needsInvalidate |= mTopGlow.draw(c);
        c.restoreToCount(restore);
    }

    if (mBottomGlow != null && !mBottomGlow.isFinished()) {
        final int restore = c.save();
        c.rotate(180);
        if (getClipToPadding(parent)) {
            c.translate(-parent.getWidth() + parent.getPaddingRight(),
                    -parent.getHeight() + parent.getPaddingBottom());
        } else {
            c.translate(-parent.getWidth(), -parent.getHeight());
        }
        needsInvalidate |= mBottomGlow.draw(c);
        c.restoreToCount(restore);
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(parent);
    }
}

From source file:cl.monsoon.s1next.widget.BezelImageView.java

@Override
protected void onDraw(@NonNull Canvas canvas) {
    if (mBounds == null) {
        return;//from ww w . j  a v  a2  s  . c  o  m
    }

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

    if (!mCacheValid || mCachedWidth != width || mCachedHeight != height) {
        // need to redraw the cache
        if (mCachedWidth == width && mCachedHeight == height) {
            // have a correct-sized bitmap cache already allocated
            // just erase it
            mCacheBitmap.eraseColor(Color.TRANSPARENT);
        } 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);
        if (mMaskDrawable != null) {
            int saveCount = cacheCanvas.save();
            mMaskDrawable.draw(cacheCanvas);
            cacheCanvas.saveLayer(mBoundsF, mMaskedPaint,
                    Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.FULL_COLOR_LAYER_SAVE_FLAG);
            super.onDraw(cacheCanvas);
            cacheCanvas.restoreToCount(saveCount);
        } 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.hippo.widget.ProgressView.java

@Override
protected void onDraw(Canvas canvas) {
    int saved = canvas.save();
    canvas.rotate(mTrimRotation, mRectF.centerX(), mRectF.centerY());

    float startAngle = (mTrimStart + mTrimOffset) * 360.0f - 90;
    float sweepAngle = (mTrimEnd - mTrimStart) * 360.0f;
    canvas.drawArc(mRectF, startAngle, sweepAngle, false, mPaint);

    canvas.restoreToCount(saved);

    if (mShouldStartAnimationDrawable) {
        mShouldStartAnimationDrawable = false;
        startAnimationActually();//from   ww w  .ja  v  a 2  s .c o  m
    }
}

From source file:com.example.zhangyangjing.roundcornerimageview.BezelImageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (mBounds == null) {
        return;/* ww  w  .  j  a v a  2  s .  c  o  m*/
    }

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

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

    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;
            generateMaskPath(mCachedWidth, mCachedHeight);
        }

        Canvas cacheCanvas = new Canvas(mCacheBitmap);
        int sc = cacheCanvas.save();
        mDesaturatePaint.setColorFilter((mDesaturateOnPress && isPressed()) ? mDesaturateColorFilter : null);
        cacheCanvas.saveLayer(mBoundsF, mDesaturatePaint,
                Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.FULL_COLOR_LAYER_SAVE_FLAG);
        super.onDraw(cacheCanvas);
        cacheCanvas.drawPath(this.mMaskedPath, this.mMaskedPaint);
        cacheCanvas.restoreToCount(sc);
    }

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

From source file:com.github.shareme.gwsmaterialuikit.library.advancerv.draggable.BaseEdgeEffectDecorator.java

private static boolean drawGlow(Canvas c, RecyclerView parent, int dir, EdgeEffectCompat edge) {
    if (edge.isFinished()) {
        return false;
    }/*from w  w  w.j a  v  a 2s  .  com*/

    final int restore = c.save();
    final boolean clipToPadding = getClipToPadding(parent);

    switch (dir) {
    case EDGE_TOP:
        if (clipToPadding) {
            c.translate(parent.getPaddingLeft(), parent.getPaddingTop());
        }
        break;
    case EDGE_BOTTOM:
        c.rotate(180);
        if (clipToPadding) {
            c.translate(-parent.getWidth() + parent.getPaddingRight(),
                    -parent.getHeight() + parent.getPaddingBottom());
        } else {
            c.translate(-parent.getWidth(), -parent.getHeight());
        }
        break;
    case EDGE_LEFT:
        c.rotate(-90);
        if (clipToPadding) {
            c.translate(-parent.getHeight() + parent.getPaddingTop(), parent.getPaddingLeft());
        } else {
            c.translate(-parent.getHeight(), 0);
        }
        break;
    case EDGE_RIGHT:
        c.rotate(90);
        if (clipToPadding) {
            c.translate(parent.getPaddingTop(), -parent.getWidth() + parent.getPaddingRight());
        } else {
            c.translate(0, -parent.getWidth());
        }
        break;
    }

    boolean needsInvalidate = edge.draw(c);

    c.restoreToCount(restore);

    return needsInvalidate;
}