1 /* 2 * Copyright (C) 2010 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 17 package android.graphics; 18 19 import android.os.ParcelFileDescriptor; 20 import android.test.suitebuilder.annotation.SmallTest; 21 22 import junit.framework.TestCase; 23 24 import java.io.ByteArrayOutputStream; 25 import java.io.FileDescriptor; 26 27 28 public class BitmapFactoryTest extends TestCase { 29 30 // tests that we can decode bitmaps from MemoryFiles 31 @SmallTest 32 public void testBitmapParcelFileDescriptor() throws Exception { 33 Bitmap bitmap1 = Bitmap.createBitmap( 34 new int[] { Color.BLUE }, 1, 1, Bitmap.Config.RGB_565); 35 ByteArrayOutputStream out = new ByteArrayOutputStream(); 36 bitmap1.compress(Bitmap.CompressFormat.PNG, 100, out); 37 ParcelFileDescriptor pfd = ParcelFileDescriptor.fromData(out.toByteArray(), null); 38 FileDescriptor fd = pfd.getFileDescriptor(); 39 assertNotNull("Got null FileDescriptor", fd); 40 assertTrue("Got invalid FileDescriptor", fd.valid()); 41 Bitmap bitmap = BitmapFactory.decodeFileDescriptor(fd); 42 assertNotNull("BitmapFactory returned null", bitmap); 43 assertEquals("Bitmap width", 1, bitmap.getWidth()); 44 assertEquals("Bitmap height", 1, bitmap.getHeight()); 45 } 46 47 } 48