imagegrabwindow

(PHP 5 >= 5.2.2, PHP 7)

imagegrabwindow — Captures a window

说明

resource imagegrabwindow ( int $window_handle [, int $client_area = 0 ] )

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

参数

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

返回值

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

错误／异常

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

范例

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" );
 imagedestroy ( $im );
 ?>

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" );

 
 while ( $browser -> Busy ) {
     com_message_pump ( 4000 );
}
 $im  =  imagegrabwindow ( $handle ,  0 );
 $browser -> Quit ();
 imagepng ( $im ,  "iesnap.png" );
 imagedestroy ( $im );
 ?>

注释

Note:

This function is only available on Windows.

参见

imagegrabscreen() - Captures the whole screen

用户评论:

[#1] nico ->atdot [2007-09-29 08:37:41]

If you just want to take a screenshot of a website WITHOUT the ugly IE window around it, the easiest way is setting the "Fullscreen" property to TRUE.

$browser->Fullscreen = true;

This is basically the same as pressing F11 once the browser is open, so you just get the actual website.