Копия экрана

[belugin]

Ожидание спёрто из табакса, оригинальный автор кода - самый одобряемый пользователь этого форума

void captureForm(FormName name)
{
    Image   image   = new Image();
    Args    args    = new Args(name);
    FormRun formRun = new FormRun(args);
    int i;
    DLLFunction peekMessage;
    DLLFunction TranslateMessage;
    DLLFunction dispatchMessage;
     Binary msg = new Binary(30);
    DLL user32;
   ;
    user32             = new DLL('USER32');
   peekMessage     = new DLLFunction(user32, 'PeekMessageA');
   TranslateMessage= new DLLFunction(user32, 'TranslateMessage');
   dispatchMessage = new DLLFunction(user32, 'DispatchMessageA');
    peekMessage.arg(ExtTypes::POINTER, ExtTypes::DWORD, ExtTypes::DWORD, ExtTypes::DWORD, ExtTypes::DWORD);
    peekMessage.returns(ExtTypes::DWord);

    TranslateMessage.arg(ExtTypes::Pointer);
    TranslateMessage.returns(ExtTypes::DWORD);

    dispatchMessage.arg(ExtTypes::Pointer);
    dispatchMessage.returns(ExtTypes::DWord);

    // Open and show the form
    formRun.init();
    formRun.run();

     for (i=1;i<=20;i++)
           if (peekMessage.call(msg, 0, 0, 0, 1))
           {
               TranslateMessage.call(msg);
               dispatchMessage.call(msg);
           }
    // Take a screenshoot of the form
    image.captureWindow(formRun.hWnd());
    image.saveType(ImageSaveType::JPG);
    // reduce the colors (bits/pixel)
    //image.reduceColorOctree(FALSE,256);
    //image.reduceColorOctree(256);

    // Save it as bitmap
    image.saveImage(element.getSaveName(name));
}