1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.internal.graphics; 18 19import android.graphics.Canvas; 20import android.graphics.Rect; 21 22public final class NativeUtils { 23 /** 24 * This class is uninstantiable. 25 */ 26 private NativeUtils() { 27 // This space intentionally left blank. 28 } 29 30 /** 31 * Scroll a rectangular portion of a canvas. 32 * 33 * @param canvas the canvas to manipulate 34 * @param src the source rectangle 35 * @param dx horizontal offset 36 * @param dy vertical offset 37 */ 38 public static native boolean nativeScrollRect(Canvas canvas, Rect src, 39 int dx, int dy); 40} 41