sdl2imagehelper.h

Go to the documentation of this file.

/*
 * 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/>.
 */
 
#ifndef RESOURCES_SDL2IMAGEHELPER_H
#define RESOURCES_SDL2IMAGEHELPER_H
 
#ifdef USE_SDL2
 
#include "localconsts.h"
 
#include "resources/imagehelper.h"
 
PRAGMA48(GCC diagnostic push)
PRAGMA48(GCC diagnostic ignored "-Wshadow")
#include <SDL.h>
PRAGMA48(GCC diagnostic pop)
 
class Dye;
class Image;
 
class SDLImageHelper final : public ImageHelper
{
 friend class Image;
 
 public:
 SDLImageHelper() :
 ImageHelper()
 { }
 
 A_DELETE_COPY(SDLImageHelper)
 
 
 Image *loadSurface(SDL_Surface *const tmpImage) override final
 A_WARN_UNUSED;
 
 Image *createTextSurface(SDL_Surface *const tmpImage,
 const int width, const int height,
 const float alpha)
 override final A_WARN_UNUSED;
 
 void copySurfaceToImage(const Image *const image,
 const int x, const int y,
 SDL_Surface *const surface)
 const override final;
 
 constexpr2 static void SDLSetEnableAlphaCache(const bool n) noexcept2
 { mEnableAlphaCache = n; }
 
 static bool SDLGetEnableAlphaCache() noexcept2 A_WARN_UNUSED
 { return mEnableAlphaCache; }
 
 static SDL_Surface* SDLDuplicateSurface(SDL_Surface *const tmpImage)
 A_WARN_UNUSED;
 
 static int combineSurface(SDL_Surface *restrict const src,
 SDL_Rect *restrict const srcrect,
 SDL_Surface *restrict const dst,
 SDL_Rect *restrict const dstrect);
 
 constexpr2 static void setRenderer(SDL_Renderer *const renderer)
 noexcept2
 { mRenderer = renderer; }
 
 protected:
 Image *_SDLload(SDL_Surface *tmpImage) A_WARN_UNUSED;
 
 static bool mEnableAlphaCache;
 static SDL_Renderer *mRenderer;
};
 
#endif // USE_SDL2
#endif // RESOURCES_SDL2IMAGEHELPER_H