imagegrabscreen
imageinterlace
GD Функции
PHP Manual

# imagegrabwindow

(PHP 5 >= 5.2.2)

imagegrabwindow — Captures a window

### Описание

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

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

### Список параметров

`window`

  The HWND window ID.

`client_area`

  Include the client area of the application window.

### Возвращаемые значения

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.

### Примеры

Пример #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;
$browser->Navigate("http://www.libgd.org");
/* Still working? */
while ($browser->Busy) {
com_message_pump(4000);
}
$im = imagegrabwindow($handle, 0);
$browser->Quit();
imagepng($im, "iesnap.png");
imagedestroy($im);
?>`

### Примечания

> Замечание: This function is only available on Windows.

### Смотрите также

- imagegrabscreen() - Captures the whole screen

imagegrabscreen
imageinterlace
GD Функции
PHP Manual