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
29using namespace android;
30
31int 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