sdlscreenshothelper.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * 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
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#include "resources/sdlscreenshothelper.h"
 
#include "render/graphics.h"
 
#include "utils/sdlcheckutils.h"
 
PRAGMA48(GCC diagnostic push)
PRAGMA48(GCC diagnostic ignored "-Wshadow")
#ifndef SDL_BIG_ENDIAN
#include <SDL_endian.h>
#endif // SDL_BYTEORDER
PRAGMA48(GCC diagnostic pop)
 
#include "debug.h"
 
SdlScreenshotHelper::SdlScreenshotHelper() :
 ScreenshotHelper()
{
}
 
SdlScreenshotHelper::~SdlScreenshotHelper()
{
}
 
void SdlScreenshotHelper::prepare()
{
}
 
SDL_Surface *SdlScreenshotHelper::getScreenshot()
{
 if (mainGraphics == nullptr)
 return nullptr;
 
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
 const int rmask = 0xff000000;
 const int gmask = 0x00ff0000;
 const int bmask = 0x0000ff00;
#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
 
 const int rmask = 0x000000ff;
 const int gmask = 0x0000ff00;
 const int bmask = 0x00ff0000;
#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
 
 const int amask = 0x00000000;
 
 SDL_Surface *const screenshot = MSDL_CreateRGBSurface(SDL_SWSURFACE,
 mainGraphics->mWidth, mainGraphics->mHeight,
 24,
 rmask, gmask, bmask, amask);
 
#ifndef USE_SDL2
 if (screenshot != nullptr)
 SDL_BlitSurface(mainGraphics->mWindow, nullptr, screenshot, nullptr);
#endif // USE_SDL2
 
 return screenshot;
}