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 #include <utils/Log.h> 18 19 #include <binder/IPCThreadState.h> 20 #include <binder/ProcessState.h> 21 #include <binder/IServiceManager.h> 22 23 #include <binder/IMemory.h> 24 #include <gui/ISurfaceComposer.h> 25 26 #include <SkImageEncoder.h> 27 #include <SkBitmap.h> 28 29 using namespace android; 30 31 int main(int argc, char** argv) 32 { 33 if (argc != 2) { 34 printf("usage: %s path\n", argv[0]); 35 exit(0); 36 } 37 38 const String16 name("SurfaceFlinger"); 39 sp<ISurfaceComposer> composer; 40 getService(name, &composer); 41 42 sp<IMemoryHeap> heap; 43 uint32_t w, h; 44 PixelFormat f; 45 sp<IBinder> display(composer->getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain)); 46 status_t err = composer->captureScreen(display, &heap, &w, &h, &f, 0, 0); 47 if (err != NO_ERROR) { 48 fprintf(stderr, "screen capture failed: %s\n", strerror(-err)); 49 exit(0); 50 } 51 52 printf("screen capture success: w=%u, h=%u, pixels=%p\n", 53 w, h, heap->getBase()); 54 55 printf("saving file as PNG in %s ...\n", argv[1]); 56 57 SkBitmap b; 58 b.setConfig(SkBitmap::kARGB_8888_Config, w, h); 59 b.setPixels(heap->getBase()); 60 SkImageEncoder::EncodeFile(argv[1], b, 61 SkImageEncoder::kPNG_Type, SkImageEncoder::kDefaultQuality); 62 63 return 0; 64 } 65
