1/* 2 * Copyright (C) 2006 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 android.graphics; 18 19public class PixelFormat 20{ 21 /* these constants need to match those in hardware/hardware.h */ 22 23 public static final int UNKNOWN = 0; 24 25 /** System chooses a format that supports translucency (many alpha bits) */ 26 public static final int TRANSLUCENT = -3; 27 28 /** 29 * System chooses a format that supports transparency 30 * (at least 1 alpha bit) 31 */ 32 public static final int TRANSPARENT = -2; 33 34 /** System chooses an opaque format (no alpha bits required) */ 35 public static final int OPAQUE = -1; 36 37 public static final int RGBA_8888 = 1; 38 public static final int RGBX_8888 = 2; 39 public static final int RGB_888 = 3; 40 public static final int RGB_565 = 4; 41 42 public static final int RGBA_5551 = 6; 43 public static final int RGBA_4444 = 7; 44 public static final int A_8 = 8; 45 public static final int L_8 = 9; 46 public static final int LA_88 = 0xA; 47 public static final int RGB_332 = 0xB; 48 49 50 /** 51 * @deprecated use {@link android.graphics.ImageFormat#NV16 52 * ImageFormat.NV16} instead. 53 */ 54 @Deprecated 55 public static final int YCbCr_422_SP= 0x10; 56 57 /** 58 * @deprecated use {@link android.graphics.ImageFormat#NV21 59 * ImageFormat.NV21} instead. 60 */ 61 @Deprecated 62 public static final int YCbCr_420_SP= 0x11; 63 64 /** 65 * @deprecated use {@link android.graphics.ImageFormat#YUY2 66 * ImageFormat.YUY2} instead. 67 */ 68 @Deprecated 69 public static final int YCbCr_422_I = 0x14; 70 71 /** 72 * @deprecated use {@link android.graphics.ImageFormat#JPEG 73 * ImageFormat.JPEG} instead. 74 */ 75 @Deprecated 76 public static final int JPEG = 0x100; 77 78 /* 79 * We use a class initializer to allow the native code to cache some 80 * field offsets. 81 */ 82 native private static void nativeClassInit(); 83 static { nativeClassInit(); } 84 85 public static native void getPixelFormatInfo(int format, PixelFormat info); 86 public static boolean formatHasAlpha(int format) { 87 switch (format) { 88 case PixelFormat.A_8: 89 case PixelFormat.LA_88: 90 case PixelFormat.RGBA_4444: 91 case PixelFormat.RGBA_5551: 92 case PixelFormat.RGBA_8888: 93 case PixelFormat.TRANSLUCENT: 94 case PixelFormat.TRANSPARENT: 95 return true; 96 } 97 return false; 98 } 99 100 public int bytesPerPixel; 101 public int bitsPerPixel; 102} 103