scummvm/engines/wintermute/base/save_thumb_helper.cpp
2013-04-17 21:21:17 +02:00

111 lines
3.3 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/base/save_thumb_helper.h"
#include "engines/wintermute/base/gfx/base_image.h"
#include "engines/wintermute/base/gfx/base_renderer.h"
#include "engines/wintermute/base/base_game.h"
#include "graphics/scaler.h"
namespace Wintermute {
//////////////////////////////////////////////////////////////////////////
SaveThumbHelper::SaveThumbHelper(const BaseGame *inGame) {
_thumbnail = nullptr;
_scummVMThumb = nullptr;
}
//////////////////////////////////////////////////////////////////////////
SaveThumbHelper::~SaveThumbHelper(void) {
delete _thumbnail;
_thumbnail = nullptr;
delete _scummVMThumb;
_scummVMThumb = nullptr;
}
BaseImage *SaveThumbHelper::storeThumb(bool doFlip, int width, int height) {
BaseImage *thumbnail = nullptr;
if (_gameRef->getSaveThumbWidth() > 0 && _gameRef->getSaveThumbHeight() > 0) {
if (doFlip) {
// when using opengl on windows it seems to be necessary to do this twice
// works normally for direct3d
_gameRef->displayContent(false);
_gameRef->_renderer->flip();
_gameRef->displayContent(false);
_gameRef->_renderer->flip();
}
BaseImage *screenshot = _gameRef->_renderer->takeScreenshot();
if (!screenshot) {
return nullptr;
}
// normal thumbnail
if (_gameRef->getSaveThumbWidth() > 0 && _gameRef->getSaveThumbHeight() > 0) {
thumbnail = new BaseImage();
thumbnail->copyFrom(screenshot, width, height);
}
delete screenshot;
screenshot = nullptr;
}
return thumbnail;
}
//////////////////////////////////////////////////////////////////////////
bool SaveThumbHelper::storeThumbnail(bool doFlip) {
delete _thumbnail;
_thumbnail = nullptr;
if (_gameRef->getSaveThumbWidth() > 0 && _gameRef->getSaveThumbHeight() > 0) {
_thumbnail = storeThumb(doFlip, _gameRef->getSaveThumbWidth(), _gameRef->getSaveThumbHeight());
if (!_thumbnail) {
return STATUS_FAILED;
}
}
storeScummVMThumbNail();
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool SaveThumbHelper::storeScummVMThumbNail(bool doFlip) {
delete _scummVMThumb;
_scummVMThumb = nullptr;
_scummVMThumb = storeThumb(doFlip, kThumbnailWidth, kThumbnailHeight2);
if (!_scummVMThumb) {
return STATUS_FAILED;
}
return STATUS_OK;
}
} // end of namespace Wintermute