Merge "new screencap command" into gingerbread

LOCAL_PATH:= $(call my-dir)

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= \

	screencap.cpp

LOCAL_SHARED_LIBRARIES := \

	libcutils \

	libutils \

	libbinder \

    libui \

    libsurfaceflinger_client

LOCAL_MODULE:= screencap

LOCAL_MODULE_TAGS := optional

include $(BUILD_EXECUTABLE)

/*

 * Copyright (C) 2010 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <unistd.h>

#include <fcntl.h>

#include <utils/Log.h>

#include <binder/IPCThreadState.h>

#include <binder/ProcessState.h>

#include <binder/IServiceManager.h>

#include <binder/IMemory.h>

#include <surfaceflinger/ISurfaceComposer.h>

using namespace android;

int main(int argc, char** argv)

{

    const String16 name("SurfaceFlinger");

    sp<ISurfaceComposer> composer;

    if (getService(name, &composer) != NO_ERROR)

        return 0;

    sp<IMemoryHeap> heap;

    uint32_t w, h;

    PixelFormat f;

    status_t err = composer->captureScreen(0, &heap, &w, &h, &f);

    if (err != NO_ERROR)

        return 0;

    uint8_t* base = (uint8_t*)heap->getBase();

    int fd = dup(STDOUT_FILENO);

    write(fd, &w, 4);

    write(fd, &h, 4);

    write(fd, &f, 4);

    write(fd, base, w*h*4);

    close(fd);

    return 0;

}