screencap.cpp revision 597c7f67b5f2491c6098a1de241a3f0fd274688a 
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 <unistd.h>
18#include <fcntl.h>
19
20#include <binder/IMemory.h>
21#include <surfaceflinger/SurfaceComposerClient.h>
22
23using namespace android;
24
25int main(int argc, char** argv)
26{
27    ScreenshotClient screenshot;
28    if (screenshot.update() != NO_ERROR)
29        return 0;
30
31    void const* base = screenshot.getPixels();
32    uint32_t w = screenshot.getWidth();
33    uint32_t h = screenshot.getHeight();
34    uint32_t f = screenshot.getFormat();
35    int fd = dup(STDOUT_FILENO);
36    write(fd, &w, 4);
37    write(fd, &h, 4);
38    write(fd, &f, 4);
39    write(fd, base, w*h*4);
40    close(fd);
41    return 0;
42}
43