| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package android.uirendering.cts.bitmapcomparers; |
| |
| import android.content.res.Resources; |
| import android.renderscript.Allocation; |
| import android.renderscript.RenderScript; |
| |
| /** |
| * This abstract class can be used by the tester to implement their own comparison methods |
| */ |
| public abstract class BitmapComparer { |
| /** |
| * Compares the two bitmaps given using Java. |
| * @param offset where in the bitmaps to start |
| * @param stride how much to skip between two different rows |
| * @param width the width of the subsection being tested |
| * @param height the height of the subsection being tested |
| * @return |
| */ |
| public abstract boolean verifySame(int[] ideal, int[] given, int offset, int stride, int width, |
| int height); |
| |
| /** |
| * Compare the two bitmaps using RenderScript, if the comparer |
| * {@link supportsRenderScript() supports it}. If it does not, this method will throw an |
| * UnsupportedOperationException |
| */ |
| public boolean verifySameRS(Resources resources, Allocation ideal, |
| Allocation given, int offset, int stride, int width, int height, |
| RenderScript renderScript) { |
| throw new UnsupportedOperationException("Renderscript not supported for this calculator"); |
| } |
| |
| /** |
| * This calculates the position in an array that would represent a bitmap given the parameters. |
| */ |
| protected static int indexFromXAndY(int x, int y, int stride, int offset) { |
| return x + (y * stride) + offset; |
| } |
| |
| /** |
| * Returns whether the verifySameRS() is implemented, and may be used on a RenderScript enabled |
| * system |
| */ |
| public boolean supportsRenderScript() { |
| return false; |
| } |
| } |