scummvm/engines/wintermute/Base/BSaveThumbHelper.cpp
2012-06-02 13:09:24 +02:00

80 lines
2.5 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "engines/wintermute/dcgf.h"
#include "engines/wintermute/Base/BSaveThumbHelper.h"
#include "engines/wintermute/Base/BImage.h"
#include "engines/wintermute/Base/BGame.h"
namespace WinterMute {
//////////////////////////////////////////////////////////////////////////
CBSaveThumbHelper::CBSaveThumbHelper(CBGame *inGame): CBBase(inGame) {
_thumbnail = NULL;
}
//////////////////////////////////////////////////////////////////////////
CBSaveThumbHelper::~CBSaveThumbHelper(void) {
delete _thumbnail;
_thumbnail = NULL;
}
//////////////////////////////////////////////////////////////////////////
HRESULT CBSaveThumbHelper::StoreThumbnail(bool DoFlip) {
delete _thumbnail;
_thumbnail = NULL;
if (Game->_thumbnailWidth > 0 && Game->_thumbnailHeight > 0) {
if (DoFlip) {
// when using opengl on windows it seems to be necessary to do this twice
// works normally for direct3d
Game->DisplayContent(false);
Game->_renderer->Flip();
Game->DisplayContent(false);
Game->_renderer->Flip();
}
CBImage *Screenshot = Game->_renderer->TakeScreenshot();
if (!Screenshot) return E_FAIL;
// normal thumbnail
if (Game->_thumbnailWidth > 0 && Game->_thumbnailHeight > 0) {
_thumbnail = new CBImage(Game);
_thumbnail->CopyFrom(Screenshot, Game->_thumbnailWidth, Game->_thumbnailHeight);
}
delete Screenshot;
Screenshot = NULL;
}
return S_OK;
}
} // end of namespace WinterMute