/*
 * Copyright (c) 2009, The Mozilla Foundation
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Mozilla Foundation nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY The Mozilla Foundation ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL The Mozilla Foundation BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Contributors:
 *   Ted Mielczarek <ted.mielczarek@gmail.com>
 */
/*
 * gdk-screenshot.cpp: Save a screenshot of the root window in .png format.
 *  If a filename is specified as the first argument on the commandline,
 *  then the image will be saved to that filename. Otherwise, the image will
 *  be saved as "screenshot.png" in the current working directory.
 *
 * Compile with:
 * g++ -o gdk-screenshot gdk-screenshot.cpp `pkg-config --cflags --libs gdk-x11-2.0`
 */
#include <gdk/gdk.h>
#include <gdk/gdkx.h>

int main(int argc, char** argv)
{
  gdk_init(&argc, &argv);
  GdkWindow* window = window = gdk_get_default_root_window ();
  GdkPixbuf* screenshot = gdk_pixbuf_get_from_drawable (NULL, window, NULL,
							0, 0, 0, 0,
							gdk_screen_width(),
							gdk_screen_height());
  GError* error = NULL;
  const char* filename = (argc > 1) ? argv[1] : "screenshot.png";
  return TRUE == gdk_pixbuf_save (screenshot, filename, "png",
				  &error, NULL);
}