1 /* 2 * Copyright (C) 2007 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 #include <ui/PixelFormat.h> 18 #include <hardware/hardware.h> 19 20 // ---------------------------------------------------------------------------- 21 namespace android { 22 // ---------------------------------------------------------------------------- 23 24 ssize_t bytesPerPixel(PixelFormat format) { 25 switch (format) { 26 case PIXEL_FORMAT_RGBA_8888: 27 case PIXEL_FORMAT_RGBX_8888: 28 case PIXEL_FORMAT_BGRA_8888: 29 case PIXEL_FORMAT_sRGB_A_8888: 30 case PIXEL_FORMAT_sRGB_X_8888: 31 return 4; 32 case PIXEL_FORMAT_RGB_888: 33 return 3; 34 case PIXEL_FORMAT_RGB_565: 35 case PIXEL_FORMAT_RGBA_5551: 36 case PIXEL_FORMAT_RGBA_4444: 37 return 2; 38 } 39 return BAD_VALUE; 40 } 41 42 ssize_t bitsPerPixel(PixelFormat format) { 43 switch (format) { 44 case PIXEL_FORMAT_RGBA_8888: 45 case PIXEL_FORMAT_RGBX_8888: 46 case PIXEL_FORMAT_BGRA_8888: 47 return 32; 48 case PIXEL_FORMAT_RGB_888: 49 return 24; 50 case PIXEL_FORMAT_RGB_565: 51 case PIXEL_FORMAT_RGBA_5551: 52 case PIXEL_FORMAT_RGBA_4444: 53 return 16; 54 } 55 return BAD_VALUE; 56 } 57 58 // ---------------------------------------------------------------------------- 59 }; // namespace android 60 // ---------------------------------------------------------------------------- 61 62
