PHP: Captures a window

Description

resource imagegrabwindow ( int $window [, int $client_area ] )

Grabs a window or its client area using a windows handle (HWND property in COM instance)

Parameters

window: The HWND window ID
client_area: Include the client area of the application window

Return Values

Returns an image resource identifier on success, FALSE on failure.

Errors/Exceptions

E_NOTICE is issued if window_handle is invalid window handle. E_WARNING is issued if the Windows API is too old.

Examples

Example #1 imagegrabwindow() example

Capture a window (IE for example)


<?php

$browser = new COM("InternetExplorer.Application");

$handle = $browser->HWND;

$browser->Visible = true;

$im = imagegrabwindow($handle);

$browser->Quit();

imagepng($im, "iesnap.png");

?>

Capture a window (IE for example) but with its content


<?php

$browser = new COM("InternetExplorer.Application");

$handle = $browser->HWND;

$browser->Visible = true;

$browser->Navigate("http://www.libgd.org");



/* Still working? */

while ($browser->Busy) {

    com_message_pump(4000);

}

$im = imagegrabwindow($handle, 0);

$browser->Quit();

imagepng($im, "iesnap.png");

?>

Notes

Note: This function is only available on Windows.