Example usage for android.graphics Canvas save

List of usage examples for android.graphics Canvas save

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  4. android.graphics.*
  5. Canvas
  6. 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:com.guodong.sun.guodong.widget.ZoomImageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (getDrawable() == null) {
        return; // couldn't resolve the URI
    }/*from   w ww . j a  va 2  s  .  c  o  m*/

    if (mState == STATE_TRANSFORM_IN || mState == STATE_TRANSFORM_OUT) {
        if (mTransformStart) {
            initTransform();
        }
        if (mTransfrom == null) {
            super.onDraw(canvas);
            return;
        }

        if (mTransformStart) {
            if (mState == STATE_TRANSFORM_IN) {
                mTransfrom.initStartIn();
            } else {
                mTransfrom.initStartOut();
            }
        }

        if (mTransformStart) {
            Log.d("Dean", "mTransfrom.startScale:" + mTransfrom.startScale);
            Log.d("Dean", "mTransfrom.startScale:" + mTransfrom.endScale);
            Log.d("Dean", "mTransfrom.scale:" + mTransfrom.scale);
            Log.d("Dean", "mTransfrom.startRect:" + mTransfrom.startRect.toString());
            Log.d("Dean", "mTransfrom.endRect:" + mTransfrom.endRect.toString());
            Log.d("Dean", "mTransfrom.rect:" + mTransfrom.rect.toString());
        }

        mPaint.setAlpha(mBgAlpha);
        canvas.drawPaint(mPaint);

        int saveCount = canvas.getSaveCount();
        canvas.save();
        // ?Matrix
        getBmpMatrix();
        canvas.translate(mTransfrom.rect.left, mTransfrom.rect.top);
        canvas.clipRect(0, 0, mTransfrom.rect.width, mTransfrom.rect.height);
        canvas.concat(mSmoothMatrix);
        getDrawable().draw(canvas);
        canvas.restoreToCount(saveCount);
        if (mTransformStart) {
            mTransformStart = false;
            startTransform(mState);
        }
    } else {
        //Transform In???Activity??
        mPaint.setAlpha(255);
        canvas.drawPaint(mPaint);
        super.onDraw(canvas);
    }
}

From source file:com.pdftron.pdf.tools.Tool.java

public void onDraw(Canvas canvas, android.graphics.Matrix tfm) {
    // Draw page number
    if (mShowPageNum && mPageNumberIndicatorVisible) {
        int width = mPDFView.getWidth();
        int height = mPDFView.getHeight();
        int page_num = mPDFView.getCurrentPage();
        boolean restore = false;
        float yOffset = 0;

        try {/*www.java  2s . c o  m*/
            // During page sliding, PDFViewCtrl might apply extra transformation
            // matrix to Canvas for animation. However, page number should not
            // move; hence applying the inverse to offset it.
            if (!tfm.isIdentity()) {
                canvas.save();
                restore = true;
                tfm.invert(mTempMtx1);
                canvas.getMatrix(mTempMtx2);
                mTempMtx2.postConcat(mTempMtx1);
                canvas.setMatrix(mTempMtx2);

                // Workaround for bug found in Android > ICS with hardware acceleration turned
                // ON. See http://code.google.com/p/android/issues/detail?id=24517 for more info
                if (Build.VERSION.SDK_INT >= 14
                        /*Build.VERSION_CODES.ICE_CREAM_SANDWICH*/ && mPDFView.isHardwareAccelerated()) {
                    Rect rectangle = new Rect();
                    ((android.app.Activity) mPDFView.getContext()).getWindow().getDecorView()
                            .getWindowVisibleDisplayFrame(rectangle);
                    yOffset = rectangle.top;
                }
            }

            int page_count = mPDFView.getDoc().getPageCount();
            String str = String.format(getStringFromResId(R.string.tools_misc_pagerange), page_num, page_count);

            Rect r = new Rect();
            mPaint4PageNum.getTextBounds(str, 0, str.length(), r);
            float str_width = r.width();
            float str_height = r.height();

            float margin = str_height / 1.5f;
            float left = width - str_width * 1.5f - margin + mPDFView.getScrollX();

            float top = mPDFView.getScrollY() + height - mPageNumPosAdjust - str_height * 3.0f + yOffset;

            float right = left + str_width + margin * 2;
            float bottom = top + str_height + margin * 2;

            mTempPageDrawingRectF.set(left, top, right, bottom);
            mPaint4PageNum.setColor(
                    mPDFView.getContext().getResources().getColor(R.color.tools_pageindicator_background));
            canvas.drawRoundRect(mTempPageDrawingRectF, margin, margin, mPaint4PageNum);

            mPaint4PageNum
                    .setColor(mPDFView.getContext().getResources().getColor(R.color.tools_pageindicator_text));
            left += margin;
            top += str_height / 2 + margin + mPaint4PageNum.descent();

            canvas.drawText(str, left, top - 0.5f, mPaint4PageNum);

        } catch (Exception e) {

        } finally {
            if (restore) {
                canvas.restore();
            }
        }
    }
}

From source file:org.chromium.chrome.browser.toolbar.ToolbarPhone.java

private boolean drawLocationBar(Canvas canvas, long drawingTime) {
    boolean clipped = false;

    if (mLocationBarBackground != null && (mTabSwitcherState == STATIC_TAB || mTextureCaptureMode)) {
        canvas.save();
        int backgroundAlpha;
        if (mTabSwitcherModeAnimation != null) {
            // Fade out/in the location bar towards the beginning of the animations to avoid
            // large jumps of stark white.
            backgroundAlpha = (int) (Math.pow(mLocationBar.getAlpha(), 3) * mLocationBarBackgroundAlpha);
        } else if (getToolbarDataProvider().isUsingBrandColor() && !mBrandColorTransitionActive) {
            backgroundAlpha = mUnfocusedLocationBarUsesTransparentBg
                    ? (int) (MathUtils.interpolate(LOCATION_BAR_TRANSPARENT_BACKGROUND_ALPHA, 255,
                            mUrlExpansionPercent))
                    : 255;/*w  w  w  .ja v a  2 s.com*/
        } else {
            backgroundAlpha = mLocationBarBackgroundAlpha;
        }
        mLocationBarBackground.setAlpha(backgroundAlpha);

        if ((mLocationBar.getAlpha() > 0 || mForceDrawLocationBarBackground) && !mTextureCaptureMode) {
            mLocationBarBackground.setBounds(
                    mLocationBarBackgroundBounds.left + mLocationBarBackgroundNtpOffset.left
                            - mLocationBarBackgroundPadding.left,
                    mLocationBarBackgroundBounds.top + mLocationBarBackgroundNtpOffset.top
                            - mLocationBarBackgroundPadding.top,
                    mLocationBarBackgroundBounds.right + mLocationBarBackgroundNtpOffset.right
                            + mLocationBarBackgroundPadding.right,
                    mLocationBarBackgroundBounds.bottom + mLocationBarBackgroundNtpOffset.bottom
                            + mLocationBarBackgroundPadding.bottom);
            mLocationBarBackground.draw(canvas);
        }

        float locationBarClipLeft = mLocationBarBackgroundBounds.left + mLocationBarBackgroundNtpOffset.left;
        float locationBarClipRight = mLocationBarBackgroundBounds.right + mLocationBarBackgroundNtpOffset.right;
        float locationBarClipTop = mLocationBarBackgroundBounds.top + mLocationBarBackgroundNtpOffset.top;
        float locationBarClipBottom = mLocationBarBackgroundBounds.bottom
                + mLocationBarBackgroundNtpOffset.bottom;

        // When unexpanded, the location bar's visible content boundaries are inset from the
        // viewport used to draw the background.  During expansion transitions, compensation
        // is applied to increase the clip regions such that when the location bar converts
        // to the narrower collapsed layout that the visible content is the same.
        if (mUrlExpansionPercent != 1f) {
            int leftDelta = mUnfocusedLocationBarLayoutLeft - getViewBoundsLeftOfLocationBar(mVisualState);
            int rightDelta = getViewBoundsRightOfLocationBar(mVisualState) - mUnfocusedLocationBarLayoutLeft
                    - mUnfocusedLocationBarLayoutWidth;
            float inversePercent = 1f - mUrlExpansionPercent;
            locationBarClipLeft += leftDelta * inversePercent;
            locationBarClipRight -= rightDelta * inversePercent;
        }

        // Clip the location bar child to the URL viewport calculated in onDraw.
        canvas.clipRect(locationBarClipLeft, locationBarClipTop, locationBarClipRight, locationBarClipBottom);
        clipped = true;
    }

    boolean retVal = super.drawChild(canvas, mLocationBar, drawingTime);

    if (clipped)
        canvas.restore();
    return retVal;
}

From source file:org.akop.ararat.view.CrosswordView.java

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

    constrainTranslation();/*w  w w  .j  a  v a 2 s  . c o  m*/

    canvas.save();
    canvas.clipRect(mContentRect);
    canvas.translate(mBitmapOffset.x, mBitmapOffset.y);
    canvas.scale(mBitmapScale, mBitmapScale);

    if (mPuzzleBitmap != null) {
        canvas.drawBitmap(mPuzzleBitmap, 0, 0, mBitmapPaint);
    } else {
        // Perform a fast, barebones render so that the screen doesn't
        // look completely empty

        mInPlaceRenderer.renderPuzzle(canvas, mRenderScale, true);
    }

    canvas.restore();
}

From source file:com.mixiaoxiao.support.widget.SmoothSwitch.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (!isEnabled()) {//wangbin added this line
        if (mThumbDrawable != null) {
            mThumbDrawable.setColor(getDisableColor(isChecked() ? mThumbColorOn : mThumbColorOff));
        }/* w w w  .  ja  va 2  s  . com*/
        if (mTrackDrawable != null) {
            mTrackDrawable.setColor(getDisableColor(isChecked() ? mTrackColorOn : mTrackColorOff));
        }
    }
    final Rect padding = mTempRect;
    final Drawable trackDrawable = mTrackDrawable;
    if (trackDrawable != null) {
        trackDrawable.getPadding(padding);
    } else {
        padding.setEmpty();
    }

    final int switchTop = mSwitchTop;
    final int switchBottom = mSwitchBottom;
    final int switchInnerTop = switchTop + padding.top;
    final int switchInnerBottom = switchBottom - padding.bottom;

    final Drawable thumbDrawable = mThumbDrawable;
    if (trackDrawable != null) {
        trackDrawable.draw(canvas);
    }

    final int saveCount = canvas.save();

    if (thumbDrawable != null) {
        thumbDrawable.draw(canvas);
    }

    final Layout switchText = getTargetCheckedState() ? mOnLayout : mOffLayout;
    if (switchText != null) {
        final int drawableState[] = getDrawableState();
        if (mTextColors != null) {
            mTextPaint.setColor(mTextColors.getColorForState(drawableState, 0));
        }
        mTextPaint.drawableState = drawableState;

        final int cX;
        if (thumbDrawable != null) {
            final Rect bounds = thumbDrawable.getBounds();
            cX = bounds.left + bounds.right;
        } else {
            cX = getWidth();
        }

        final int left = cX / 2 - switchText.getWidth() / 2;
        final int top = (switchInnerTop + switchInnerBottom) / 2 - switchText.getHeight() / 2;
        canvas.translate(left, top);
        switchText.draw(canvas);
    }

    canvas.restoreToCount(saveCount);
}

From source file:com.aidy.bottomdrawerlayout.AllDrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    Log.i(TAG, "drawChild()");
    final int height = getHeight();
    final boolean drawingContent = isContentView(child);
    int clipLeft = 0, clipRight = getWidth();
    int clipTop = 0, clipBottom = getHeight();

    final int restoreCount = canvas.save();
    if (drawingContent) {
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = getChildAt(i);
            if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v)
                    || v.getHeight() < height) {
                Log.i(TAG, "drawChild() -- 0");
                continue;
            }//from  ww w. j av  a2 s  .c o m
            switch (getDrawerViewAbsoluteGravity(v)) {
            case Gravity.LEFT:
                Log.i(TAG, "drawChild() -- 1");
                if (checkDrawerViewAbsoluteGravity(v, Gravity.LEFT)) {
                    final int vright = v.getRight();
                    if (vright > clipLeft)
                        clipLeft = vright;
                }
                break;
            case Gravity.RIGHT:
                Log.i(TAG, "drawChild() -- 2");
                if (checkDrawerViewAbsoluteGravity(v, Gravity.RIGHT)) {
                    final int vleft = v.getLeft();
                    if (vleft < clipRight)
                        clipRight = vleft;
                }
                break;
            case Gravity.TOP:
                Log.i(TAG, "drawChild() -- 3");
                if (checkDrawerViewAbsoluteGravity(v, Gravity.TOP)) {
                    final int vbottom = v.getBottom();
                    if (vbottom > clipTop) {
                        clipTop = vbottom;
                    }
                }
                break;
            case Gravity.BOTTOM:
                Log.i(TAG, "drawChild() -- 4");
                if (checkDrawerViewAbsoluteGravity(v, Gravity.BOTTOM)) {
                    final int vtop = v.getTop();
                    if (vtop < clipBottom) {
                        clipBottom = vtop;
                    }
                }
                break;
            default:
                Log.i(TAG, "drawChild() -- 5");
                final int vtop = v.getTop();
                if (vtop < clipBottom) {
                    clipBottom = vtop;
                }
                break;
            }
        }
        canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom);
    }
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (mScrimOpacity > 0 && drawingContent) {
        Log.i(TAG, "drawChild() -- drawingContent");
        final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * mScrimOpacity);
        final int color = imag << 24 | (mScrimColor & 0xffffff);
        mScrimPaint.setColor(color);
        canvas.drawRect(clipLeft, clipTop, clipRight, clipBottom, mScrimPaint);
    } else if (mShadowLeft != null && checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) {
        Log.i(TAG, "drawChild() -- LEFT");
        final int shadowWidth = mShadowLeft.getIntrinsicWidth();
        final int childRight = child.getRight();
        final int drawerPeekDistance = mLeftDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) childRight / drawerPeekDistance, 1.f));
        mShadowLeft.setBounds(childRight, child.getTop(), childRight + shadowWidth, child.getBottom());
        mShadowLeft.setAlpha((int) (0xff * alpha));
        mShadowLeft.draw(canvas);
    } else if (mShadowRight != null && checkDrawerViewAbsoluteGravity(child, Gravity.RIGHT)) {
        Log.i(TAG, "drawChild() -- Gravity.RIGHT");
        final int shadowWidth = mShadowRight.getIntrinsicWidth();
        final int childLeft = child.getLeft();
        final int showing = getWidth() - childLeft;
        final int drawerPeekDistance = mRightDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f));
        mShadowRight.setBounds(childLeft - shadowWidth, child.getTop(), childLeft, child.getBottom());
        mShadowRight.setAlpha((int) (0xff * alpha));
        mShadowRight.draw(canvas);
    } else if (mShadowTop != null && checkDrawerViewAbsoluteGravity(child, Gravity.TOP)) {
        Log.i(TAG, "drawChild() -- Gravity.TOP");
        final int shadowHeight = mShadowTop.getIntrinsicHeight();
        final int childBottom = child.getBottom();
        final int drawerPeekDistance = mTopDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) childBottom / drawerPeekDistance, 1.f));
        mShadowTop.setBounds(child.getLeft(), childBottom, child.getRight(), childBottom + shadowHeight);
        mShadowTop.setAlpha((int) (0xff * alpha));
        mShadowTop.draw(canvas);
    } else if (mShadowBottom != null && checkDrawerViewAbsoluteGravity(child, Gravity.BOTTOM)) {
        Log.i(TAG, "drawChild() -- Gravity.BOTTOM");
        final int shadowHeight = mShadowBottom.getIntrinsicWidth();
        final int childTop = child.getTop();
        final int showing = getHeight() - childTop;
        final int drawerPeekDistance = mBottomDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f));
        mShadowRight.setBounds(child.getLeft(), childTop - shadowHeight, child.getRight(), childTop);
        mShadowRight.setAlpha((int) (0xff * alpha));
        mShadowRight.draw(canvas);
    }
    return result;
}

From source file:org.chromium.chrome.browser.toolbar.ToolbarPhone.java

/**
 * When entering and exiting the TabSwitcher mode, we fade out or fade in the browsing
 * mode of the toolbar on top of the TabSwitcher mode version of it.  We do this by
 * drawing all of the browsing mode views on top of the android view.
 *///  ww  w .j a v a2 s  . c o m
private void drawTabSwitcherAnimationOverlay(Canvas canvas, float animationProgress) {
    if (!isNativeLibraryReady())
        return;

    float floatAlpha = 1 - animationProgress;
    int rgbAlpha = (int) (255 * floatAlpha);
    canvas.save();
    canvas.translate(0, -animationProgress * mBackgroundOverlayBounds.height());
    canvas.clipRect(mBackgroundOverlayBounds);

    float previousAlpha = 0.f;
    if (mHomeButton.getVisibility() != View.GONE) {
        // Draw the New Tab button used in the URL view.
        previousAlpha = mHomeButton.getAlpha();
        mHomeButton.setAlpha(previousAlpha * floatAlpha);
        drawChild(canvas, mHomeButton, SystemClock.uptimeMillis());
        mHomeButton.setAlpha(previousAlpha);
    }

    // Draw the location/URL bar.
    previousAlpha = mLocationBar.getAlpha();
    mLocationBar.setAlpha(previousAlpha * floatAlpha);
    // If the location bar is now fully transparent, do not bother drawing it.
    if (mLocationBar.getAlpha() != 0) {
        drawChild(canvas, mLocationBar, SystemClock.uptimeMillis());
    }
    mLocationBar.setAlpha(previousAlpha);

    // Draw the tab stack button and associated text.
    translateCanvasToView(this, mToolbarButtonsContainer, canvas);

    if (mTabSwitcherAnimationTabStackDrawable != null && mToggleTabStackButton != null
            && mUrlExpansionPercent != 1f) {
        // Draw the tab stack button image.
        canvas.save();
        translateCanvasToView(mToolbarButtonsContainer, mToggleTabStackButton, canvas);

        int backgroundWidth = mToggleTabStackButton.getDrawable().getIntrinsicWidth();
        int backgroundHeight = mToggleTabStackButton.getDrawable().getIntrinsicHeight();
        int backgroundLeft = (mToggleTabStackButton.getWidth() - mToggleTabStackButton.getPaddingLeft()
                - mToggleTabStackButton.getPaddingRight() - backgroundWidth) / 2;
        backgroundLeft += mToggleTabStackButton.getPaddingLeft();
        int backgroundTop = (mToggleTabStackButton.getHeight() - mToggleTabStackButton.getPaddingTop()
                - mToggleTabStackButton.getPaddingBottom() - backgroundHeight) / 2;
        backgroundTop += mToggleTabStackButton.getPaddingTop();
        canvas.translate(backgroundLeft, backgroundTop);

        mTabSwitcherAnimationTabStackDrawable.setAlpha(rgbAlpha);
        mTabSwitcherAnimationTabStackDrawable.draw(canvas);
        canvas.restore();
    }

    // Draw the menu button if necessary.
    if (!mShowMenuBadge && mTabSwitcherAnimationMenuDrawable != null && mUrlExpansionPercent != 1f) {
        mTabSwitcherAnimationMenuDrawable.setBounds(mMenuButton.getPaddingLeft(), mMenuButton.getPaddingTop(),
                mMenuButton.getWidth() - mMenuButton.getPaddingRight(),
                mMenuButton.getHeight() - mMenuButton.getPaddingBottom());
        translateCanvasToView(mToolbarButtonsContainer, mMenuButton, canvas);
        mTabSwitcherAnimationMenuDrawable.setAlpha(rgbAlpha);
        int color = mUseLightDrawablesForTextureCapture ? mLightModeDefaultColor : mDarkModeDefaultColor;
        mTabSwitcherAnimationMenuDrawable.setColorFilter(color, PorterDuff.Mode.SRC_IN);
        mTabSwitcherAnimationMenuDrawable.draw(canvas);
    }

    // Draw the menu badge if necessary.
    Drawable badgeDrawable = mUseLightDrawablesForTextureCapture ? mTabSwitcherAnimationMenuBadgeLightDrawable
            : mTabSwitcherAnimationMenuBadgeDarkDrawable;
    if (mShowMenuBadge && badgeDrawable != null && mUrlExpansionPercent != 1f) {
        badgeDrawable.setBounds(mMenuBadge.getPaddingLeft(), mMenuBadge.getPaddingTop(),
                mMenuBadge.getWidth() - mMenuBadge.getPaddingRight(),
                mMenuBadge.getHeight() - mMenuBadge.getPaddingBottom());
        translateCanvasToView(mToolbarButtonsContainer, mMenuBadge, canvas);
        badgeDrawable.setAlpha(rgbAlpha);
        badgeDrawable.draw(canvas);
    }

    mLightDrawablesUsedForLastTextureCapture = mUseLightDrawablesForTextureCapture;

    canvas.restore();
}

From source file:com.iangclifton.auid.horizontaliconview.HorizontalIconView.java

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

    final int width = getWidth();
    final int paddingBottom = getPaddingBottom();
    final int paddingLeft = getPaddingLeft();
    final int paddingTop = getPaddingTop();

    // Determine edges of visible content
    final int leftEdge = getScrollX();
    final int rightEdge = leftEdge + width;

    int left = paddingLeft;
    int top = paddingTop;
    mSkippedIconCount = 0;

    final int iconCount = mDrawables.size();
    for (int i = 0; i < iconCount; i++) {
        if (left + mIconSize < leftEdge) {
            // Icon is too far left to be seen
            left = left + mIconSize + mIconSpacing;
            mSkippedIconCount++;
            continue;
        }

        if (left > rightEdge) {
            // All remaining icons are right of the view
            break;
        }

        // Get a reference to the icon to be drawn
        final Drawable icon = mDrawables.get(i);
        icon.setBounds(left, top, left + mIconSize, top + mIconSize);
        icon.draw(canvas);

        // Icon was drawn, so track position
        final int drawnPosition = i - mSkippedIconCount;
        if (drawnPosition + 1 > mIconPositions.size()) {
            final Rect rect = icon.copyBounds();
            mIconPositions.add(rect);
        } else {
            final Rect rect = mIconPositions.get(drawnPosition);
            icon.copyBounds(rect);
        }

        // Update left position
        left = left + mIconSize + mIconSpacing;
    }

    if (mEdgeEffectLeft != null) {
        if (!mEdgeEffectLeft.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - paddingTop - paddingBottom;

            canvas.rotate(270);
            canvas.translate(-height + paddingTop, Math.min(0, leftEdge));
            mEdgeEffectLeft.setSize(height, getWidth());
            if (mEdgeEffectLeft.draw(canvas)) {
                postInvalidateOnAnimation();
            }
            canvas.restoreToCount(restoreCount);
        }
        if (!mEdgeEffectRight.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - paddingTop - paddingBottom;

            canvas.rotate(90);
            canvas.translate(-paddingTop, -(Math.max(mScrollRange, leftEdge) + width));
            mEdgeEffectRight.setSize(height, width);
            if (mEdgeEffectRight.draw(canvas)) {
                postInvalidateOnAnimation();
            }
            canvas.restoreToCount(restoreCount);
        }
    }
}

From source file:com.chenglong.muscle.ui.LazyViewPager.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;
    final int overScrollMode = ViewCompat.getOverScrollMode(this);
    if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS
            || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && mAdapter != null
                    && mAdapter.getCount() > 1)) {
        if (!mLeftEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();
            canvas.rotate(270);/*from w w w. jav  a  2 s  .c  om*/
            canvas.translate(-height + getPaddingTop(), 0);
            mLeftEdge.setSize(height, getWidth());
            needsInvalidate |= mLeftEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
        if (!mRightEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();
            final int itemCount = mAdapter != null ? mAdapter.getCount() : 1;
            canvas.rotate(90);
            canvas.translate(-getPaddingTop(), -itemCount * (width + mPageMargin) + mPageMargin);
            mRightEdge.setSize(height, width);
            needsInvalidate |= mRightEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }
    if (needsInvalidate) {
        // Keep animating
        invalidate();
    }
}

From source file:de.andacaydin.bidirectionalviewpagerlibrary.BiDirectionalViewPager.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;
    final int overScrollMode = ViewCompat.getOverScrollMode(this);
    if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS
            || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && mAdapter != null
                    && mAdapter.getCount() > 1)) {
        if (!mLeftEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();
            final int width = getWidth();
            canvas.rotate(270);/*  www .j av a 2  s  . c o m*/
            canvas.translate(-height + getPaddingTop(), mFirstOffset * width);
            mLeftEdge.setSize(height, width);
            needsInvalidate |= mLeftEdge.draw(canvas);
            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(), -(mLastOffset + 1) * width);
            mRightEdge.setSize(height, width);
            needsInvalidate |= mRightEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }
    if (needsInvalidate) {
        // Keep animating
        ViewCompat.postInvalidateOnAnimation(this);
    }
}