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
main(int argc,char ** argv)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