Java Rect.offset方法代碼示例

import android.graphics.Rect; //導入方法依賴的package包/類
@Override
    public boolean onRequestChildRectangleOnScreen(CoordinatorLayout parent, View child,
            Rect rectangle, boolean immediate) {
  final AppBarLayout header = findFirstDependency(parent.getDependencies(child));
  if (header != null) {
    // Offset the rect by the child's left/top
    rectangle.offset(child.getLeft(), child.getTop());

    final Rect parentRect = mTempRect1;
    parentRect.set(0, 0, parent.getWidth(), parent.getHeight());

    if (!parentRect.contains(rectangle)) {
      // If the rectangle can not be fully seen the visible bounds, collapse
      // the AppBarLayout
      header.setExpanded(false, !immediate);
      return true;
    }
  }
  return false;
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
private AccessibilityNodeInfoCompat createAccessibilityNodeInfoForInputText(
        int left, int top, int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(getInputText());
    info.setSource(mNumberPicker, VIRTUAL_VIEW_ID_INPUT);
    if (mAccessibilityFocusedView != VIRTUAL_VIEW_ID_INPUT) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == VIRTUAL_VIEW_ID_INPUT) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    info.setVisibleToUser(isVisibleToUser(boundsInParent));
    info.setBoundsInParent(boundsInParent);
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    mNumberPicker.getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);
    return info;
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
private AccessibilityNodeInfo createAccessibiltyNodeInfoForInputText(
        int left, int top, int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.wrap(mInputText.createAccessibilityNodeInfo());
    info.setSource(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (mAccessibilityFocusedView != VIRTUAL_VIEW_ID_INPUT) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == VIRTUAL_VIEW_ID_INPUT) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    info.setVisibleToUser(isVisibleToUser(boundsInParent));
    info.setBoundsInParent(boundsInParent);
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);
    return info.unwrap();
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
@Override
public Bitmap getTile(int level, int x, int y, Bitmap bitmap) {
    int tileSize = getTileSize();
    if (bitmap == null) {
        bitmap = Bitmap.createBitmap(tileSize, tileSize, Bitmap.Config.ARGB_8888);
    }
    Canvas c = new Canvas(bitmap);
    Rect bounds = new Rect(0, 0, getImageWidth(), getImageHeight());
    bounds.offset(-x, -y);
    mDrawable.setBounds(bounds);
    mDrawable.draw(c);
    c.setBitmap(null);
    return bitmap;
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
private void getDirectionVectorForDrop(int dragViewCenterX, int dragViewCenterY, int spanX,
        int spanY, View dragView, int[] resultDirection) {
    int[] targetDestination = new int[2];

    findNearestArea(dragViewCenterX, dragViewCenterY, spanX, spanY, targetDestination);
    Rect dragRect = new Rect();
    regionToRect(targetDestination[0], targetDestination[1], spanX, spanY, dragRect);
    dragRect.offset(dragViewCenterX - dragRect.centerX(), dragViewCenterY - dragRect.centerY());

    Rect dropRegionRect = new Rect();
    getViewsIntersectingRegion(targetDestination[0], targetDestination[1], spanX, spanY,
            dragView, dropRegionRect, mIntersectingViews);

    int dropRegionSpanX = dropRegionRect.width();
    int dropRegionSpanY = dropRegionRect.height();

    regionToRect(dropRegionRect.left, dropRegionRect.top, dropRegionRect.width(),
            dropRegionRect.height(), dropRegionRect);

    int deltaX = (dropRegionRect.centerX() - dragViewCenterX) / spanX;
    int deltaY = (dropRegionRect.centerY() - dragViewCenterY) / spanY;

    if (dropRegionSpanX == mCountX || spanX == mCountX) {
        deltaX = 0;
    }
    if (dropRegionSpanY == mCountY || spanY == mCountY) {
        deltaY = 0;
    }

    if (deltaX == 0 && deltaY == 0) {
        // No idea what to do, give a random direction.
        resultDirection[0] = 1;
        resultDirection[1] = 0;
    } else {
        computeDirectionVector(deltaX, deltaY, resultDirection);
    }
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
protected Rect getIconRect(int viewWidth, int viewHeight, int drawableWidth, int drawableHeight) {
    DragLayer dragLayer = mLauncher.getDragLayer();

    // Find the rect to animate to (the view is center aligned)
    Rect to = new Rect();
    dragLayer.getViewRectRelativeToSelf(this, to);

    final int width = drawableWidth;
    final int height = drawableHeight;

    final int left;
    final int right;

    if (Utilities.isRtl(getResources())) {
        right = to.right - getPaddingRight();
        left = right - width;
    } else {
        left = to.left + getPaddingLeft();
        right = left + width;
    }

    final int top = to.top + (getMeasuredHeight() - height) / 2;
    final int bottom = top +  height;

    to.set(left, top, right, bottom);

    // Center the destination rect about the trash icon
    final int xOffset = (int) -(viewWidth - width) / 2;
    final int yOffset = (int) -(viewHeight - height) / 2;
    to.offset(xOffset, yOffset);

    return to;
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
public static void scaleRectAboutCenter(Rect r, float scale) {
    if (scale != 1.0f) {
        int cx = r.centerX();
        int cy = r.centerY();
        r.offset(-cx, -cy);

        r.left = (int) (r.left * scale + 0.5f);
        r.top = (int) (r.top * scale + 0.5f);
        r.right = (int) (r.right * scale + 0.5f);
        r.bottom = (int) (r.bottom * scale + 0.5f);

        r.offset(cx, cy);
    }
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
static void scaleRectAboutCenter(Rect r, float scale) {
    if (scale != 1.0f) {
        int cx = r.centerX();
        int cy = r.centerY();
        r.offset(-cx, -cy);

        r.left = (int) (r.left * scale + 0.5f);
        r.top = (int) (r.top * scale + 0.5f);
        r.right = (int) (r.right * scale + 0.5f);
        r.bottom = (int) (r.bottom * scale + 0.5f);

        r.offset(cx, cy);
    }
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
@Override
public Bitmap createDragOutline(Canvas canvas) {
    Workspace workspace = Launcher.getLauncher(mView.getContext()).getWorkspace();
    int[] size = workspace.estimateItemSize(mAddInfo, false);

    int w = size[0];
    int h = size[1];
    final Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ALPHA_8);
    canvas.setBitmap(b);

    Rect src = new Rect(0, 0, mPreviewBitmap.getWidth(), mPreviewBitmap.getHeight());
    float scaleFactor = Math.min((w - DRAG_BITMAP_PADDING) / (float) mPreviewBitmap.getWidth(),
            (h - DRAG_BITMAP_PADDING) / (float) mPreviewBitmap.getHeight());
    int scaledWidth = (int) (scaleFactor * mPreviewBitmap.getWidth());
    int scaledHeight = (int) (scaleFactor * mPreviewBitmap.getHeight());
    Rect dst = new Rect(0, 0, scaledWidth, scaledHeight);

    // center the image
    dst.offset((w - scaledWidth) / 2, (h - scaledHeight) / 2);

    canvas.drawBitmap(mPreviewBitmap, src, dst, null);

    // Don't clip alpha values for the drag outline if we're using the default widget preview
    boolean clipAlpha = !(mAddInfo instanceof PendingAddWidgetInfo &&
            (((PendingAddWidgetInfo) mAddInfo).previewImage == 0));
    HolographicOutlineHelper.obtain(mView.getContext())
            .applyExpensiveOutlineWithBlur(b, canvas, clipAlpha);
    canvas.setBitmap(null);

    return b;
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
public boolean requestChildRectangleOnScreen(View child, Rect rect, boolean immediate) {
    int rectTopWithinChild = rect.top;
    rect.offset(child.getLeft(), child.getTop());
    rect.offset(-child.getScrollX(), -child.getScrollY());
    int height = getHeight();
    int listUnfadedTop = getScrollY();
    int listUnfadedBottom = listUnfadedTop + height;
    int fadingEdge = getVerticalFadingEdgeLength();
    if (showingTopFadingEdge() && rectTopWithinChild > fadingEdge) {
        listUnfadedTop += fadingEdge;
    }
    int bottomOfBottomChild = getChildAt(getChildCount() - 1).getBottom();
    if (showingBottomFadingEdge() && rect.bottom < bottomOfBottomChild - fadingEdge) {
        listUnfadedBottom -= fadingEdge;
    }
    int scrollYDelta = 0;
    if (rect.bottom > listUnfadedBottom && rect.top > listUnfadedTop) {
        if (rect.height() > height) {
            scrollYDelta = 0 + (rect.top - listUnfadedTop);
        } else {
            scrollYDelta = 0 + (rect.bottom - listUnfadedBottom);
        }
        scrollYDelta = Math.min(scrollYDelta, bottomOfBottomChild - listUnfadedBottom);
    } else if (rect.top < listUnfadedTop && rect.bottom < listUnfadedBottom) {
        if (rect.height() > height) {
            scrollYDelta = 0 - (listUnfadedBottom - rect.bottom);
        } else {
            scrollYDelta = 0 - (listUnfadedTop - rect.top);
        }
        scrollYDelta = Math.max(scrollYDelta, getChildAt(0).getTop() - listUnfadedTop);
    }
    boolean scroll = scrollYDelta != 0;
    if (scroll) {
        scrollListItemsBy(-scrollYDelta);
        positionSelector(child);
        this.mSelectedTop = child.getTop();
        invalidate();
    }
    return scroll;
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
public boolean requestChildRectangleOnScreen(View child, Rect rect, boolean immediate) {
    int rectLeftWithinChild = rect.left;
    rect.offset(child.getLeft(), child.getTop());
    rect.offset(-child.getScrollX(), -child.getScrollY());
    int width = getWidth();
    int listUnfadedLeft = getScrollX();
    int listUnfadedRight = listUnfadedLeft + width;
    int fadingEdge = getHorizontalFadingEdgeLength();
    if (showingLeftFadingEdge() && (this.mSelectedPosition > 0 || rectLeftWithinChild > fadingEdge)) {
        listUnfadedLeft += fadingEdge;
    }
    int rightOfRightChild = getChildAt(getChildCount() - 1).getRight();
    if (showingRightFadingEdge() && (this.mSelectedPosition < this.mItemCount - 1 || rect.right < rightOfRightChild - fadingEdge)) {
        listUnfadedRight -= fadingEdge;
    }
    int scrollXDelta = 0;
    if (rect.right > listUnfadedRight && rect.left > listUnfadedLeft) {
        if (rect.width() > width) {
            scrollXDelta = 0 + (rect.left - listUnfadedLeft);
        } else {
            scrollXDelta = 0 + (rect.right - listUnfadedRight);
        }
        scrollXDelta = Math.min(scrollXDelta, rightOfRightChild - listUnfadedRight);
    } else if (rect.left < listUnfadedLeft && rect.right < listUnfadedRight) {
        if (rect.width() > width) {
            scrollXDelta = 0 - (listUnfadedRight - rect.right);
        } else {
            scrollXDelta = 0 - (listUnfadedLeft - rect.left);
        }
        scrollXDelta = Math.max(scrollXDelta, getChildAt(0).getLeft() - listUnfadedLeft);
    }
    boolean scroll = scrollXDelta != 0;
    if (scroll) {
        scrollListItemsBy(-scrollXDelta);
        positionSelector(-1, child);
        this.mSelectedLeft = child.getTop();
        invalidate();
    }
    return scroll;
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
@Override
public Bitmap getBadgeBitmap(LauncherAppWidgetProviderInfo info, Bitmap bitmap,
        int imageWidth, int imageHeight) {
    if (info.isCustomWidget || info.getProfile().equals(android.os.Process.myUserHandle())) {
        return bitmap;
    }

    // Add a user badge in the bottom right of the image.
    final Resources res = mContext.getResources();
    final int badgeMinTop = res.getDimensionPixelSize(R.dimen.profile_badge_minimum_top);

    // choose min between badge size defined for widget tray versus width, height of the image.
    // Width, height of the image can be smaller than widget tray badge size when being dropped
    // to the workspace.
    final int badgeSize = Math.min(res.getDimensionPixelSize(R.dimen.profile_badge_size),
            Math.min(imageWidth, imageHeight - badgeMinTop));
    final Rect badgeLocation = new Rect(0, 0, badgeSize, badgeSize);

    final int top = Math.max(imageHeight - badgeSize, badgeMinTop);

    if (res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
        badgeLocation.offset(0, top);
    } else {
        badgeLocation.offset(bitmap.getWidth() - badgeSize, top);
    }

    Drawable drawable = mPm.getUserBadgedDrawableForDensity(
            new BitmapDrawable(res, bitmap), info.getProfile(), badgeLocation, 0);

    if (drawable instanceof BitmapDrawable) {
        return ((BitmapDrawable) drawable).getBitmap();
    }

    bitmap.eraseColor(Color.TRANSPARENT);
    Canvas c = new Canvas(bitmap);
    drawable.setBounds(0, 0, bitmap.getWidth(), bitmap.getHeight());
    drawable.draw(c);
    c.setBitmap(null);
    return bitmap;
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
@Override
public void onSave(final WallpaperPickerActivity a) {
    boolean finishActivityWhenDone = true;
    BitmapCropTask.OnBitmapCroppedHandler h = new BitmapCropTask.OnBitmapCroppedHandler() {
        @Override
        public void onBitmapCropped(byte[] imageBytes, Rect hint) {
            Bitmap thumb = null;
            Point thumbSize = getDefaultThumbnailSize(a.getResources());
            if (imageBytes != null) {
                // rotation is set to 0 since imageBytes has already been correctly rotated
                thumb = createThumbnail(
                        thumbSize, null, null, imageBytes, null, 0, 0, true);
                a.getSavedImages().writeImage(thumb, imageBytes);
            } else {
                try {
                    // Generate thumb
                    Point size = getDefaultThumbnailSize(a.getResources());
                    Rect finalCropped = new Rect();
                    Utils.getMaxCropRect(hint.width(), hint.height(), size.x, size.y, false)
                            .roundOut(finalCropped);
                    finalCropped.offset(hint.left, hint.top);

                    InputStream in = a.getContentResolver().openInputStream(mUri);
                    BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(in, true);

                    BitmapFactory.Options options = new BitmapFactory.Options();
                    options.inSampleSize = finalCropped.width() / size.x;
                    thumb = decoder.decodeRegion(finalCropped, options);
                    decoder.recycle();
                    Utils.closeSilently(in);
                    if (thumb != null) {
                        thumb = Bitmap.createScaledBitmap(thumb, size.x, size.y, true);
                    }
                } catch (IOException e) { }
                PointF center = a.mCropView.getCenter();

                Float[] extras = new Float[] {
                        a.mCropView.getScale(),
                        center.x,
                        center.y
                };
                a.getSavedImages().writeImage(thumb, mUri, extras);
            }
        }
    };
    boolean shouldFadeOutOnFinish = a.getWallpaperParallaxOffset() == 0f;
    a.cropImageAndSetWallpaper(mUri, h, finishActivityWhenDone, shouldFadeOutOnFinish);
}
 

import android.graphics.Rect; //導入方法依賴的package包/類
public void bang(final View view, float radius, SmallBangListener listener) {

        // set listener
        if (listener != null) {
            setmListener(listener);
            this.mListener.onAnimationStart();
        }

        Rect r = new Rect();
        view.getGlobalVisibleRect(r);
        int[] location = new int[2];
        getLocationOnScreen(location);
        r.offset(-location[0], -location[1]);
        r.inset(-mExpandInset[0], -mExpandInset[1]);

        centerX = r.left + r.width() / 2;
        centerY = r.top + r.height() / 2;

        if (radius != -1) {
            initRadius(radius);
        } else {
            initRadius(Math.max(r.width(), r.height()));
        }

        view.setScaleX(0.1f);
        view.setScaleY(0.1f);
        ValueAnimator animator = ValueAnimator.ofFloat(0f, 1f).setDuration((long) (ANIMATE_DURATION * 0.5f));
        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                float animatedFraction = animation.getAnimatedFraction();
                view.setScaleX(0.1f + animatedFraction * 0.9f);
                view.setScaleY(0.1f + animatedFraction * 0.9f);
            }
        });
        animator.setInterpolator(new OvershootInterpolator(2));
        animator.setStartDelay((long) (ANIMATE_DURATION * P3));

        animator.start();
        bang();

    }
 

import android.graphics.Rect; //導入方法依賴的package包/類
private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
                                                                         int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain();
    info.setClassName(NumberPicker.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(NumberPicker.this);

    if (hasVirtualDecrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
    }

    //info.setParent((View) getParentForAccessibility());
    info.setParent((View) ViewCompat.getParentForAccessibility(NumberPicker.this));
    info.setEnabled(NumberPicker.this.isEnabled());
    info.setScrollable(true);

    // FIXME final float applicationScale = getContext().getResources().getCompatibilityInfo().applicationScale;
    final float applicationScale = 1f;

    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    //boundsInParent.scale(applicationScale);
    scaleRect(boundsInParent, applicationScale);
    info.setBoundsInParent(boundsInParent);

    info.setVisibleToUser(isVisibleToUser());

    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    // boundsInScreen.scale(applicationScale);
    scaleRect(boundsInScreen, applicationScale);
    info.setBoundsInScreen(boundsInScreen);

    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (NumberPicker.this.isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD);
        }
    }

    return info.unwrap();
}