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/* |
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* The ManaPlus Client |
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* Copyright (C) 2004-2009 The Mana World Development Team |
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* Copyright (C) 2009-2010 The Mana Developers |
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* Copyright (C) 2011-2019 The ManaPlus Developers |
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* Copyright (C) 2019-2021 Andrei Karas |
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* |
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* This file is part of The ManaPlus Client. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#ifndef RESOURCES_IMAGEHELPER_H |
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#define RESOURCES_IMAGEHELPER_H |
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#include "localconsts.h" |
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#include "enums/render/rendertype.h" |
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PRAGMA48(GCC diagnostic push) |
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PRAGMA48(GCC diagnostic ignored "-Wshadow") |
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#include <SDL_video.h> |
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PRAGMA48(GCC diagnostic pop) |
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class Dye; |
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class Image; |
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/** |
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* Defines a class for loading and storing images. |
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*/ |
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class ImageHelper notfinal |
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{ |
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friend class CompoundSprite; |
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friend class Image; |
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public: |
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A_DELETE_COPY(ImageHelper) |
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virtual ~ImageHelper() |
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{ } |
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/** |
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* Loads an image from an SDL_RWops structure. |
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* |
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* @param rw The SDL_RWops to load the image from. |
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* |
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* @return <code>NULL</code> if an error occurred, a valid pointer |
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* otherwise. |
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*/ |
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Image *load(SDL_RWops *const rw) A_WARN_UNUSED; |
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virtual Image *load(SDL_RWops *const rw, Dye const &dye) A_WARN_UNUSED; |
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#ifdef __GNUC__ |
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virtual Image *loadSurface(SDL_Surface *const) A_WARN_UNUSED = 0; |
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virtual Image *createTextSurface(SDL_Surface *const tmpImage, |
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const int width, const int height, |
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float alpha) A_WARN_UNUSED = 0; |
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#else // __GNUC__ |
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virtual Image *loadSurface(SDL_Surface *const) A_WARN_UNUSED |
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{ return nullptr; } |
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virtual Image *createTextSurface(SDL_Surface *const tmpImage, |
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const int width, const int height, |
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const float alpha) const A_WARN_UNUSED |
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{ return nullptr; } |
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#endif // __GNUC__ |
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virtual SDL_Surface *create32BitSurface(int width, |
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int height) |
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const A_WARN_UNUSED; |
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virtual void copySurfaceToImage(const Image *const image A_UNUSED, |
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const int x A_UNUSED, |
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const int y A_UNUSED, |
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SDL_Surface *const surface A_UNUSED) |
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const |
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{ } |
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static SDL_Surface *convertTo32Bit(SDL_Surface *const tmpImage) |
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A_WARN_UNUSED; |
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static void dumpSurfaceFormat(const SDL_Surface *const image); |
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constexpr2 static void setEnableAlpha(const bool n) noexcept2 |
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{ mEnableAlpha = n; } |
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static SDL_Surface *loadPng(SDL_RWops *const rw); |
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constexpr2 static void setOpenGlMode(const RenderType useOpenGL) |
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noexcept2 |
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{ mUseOpenGL = useOpenGL; } |
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virtual RenderType useOpenGL() const noexcept2 A_WARN_UNUSED |
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{ return mUseOpenGL; } |
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virtual void postInit() |
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{ } |
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protected: |
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ImageHelper() |
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{ } |
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static bool mEnableAlpha; |
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static RenderType mUseOpenGL; |
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}; |
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extern ImageHelper *imageHelper A_NONNULLPOINTER; |
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extern ImageHelper *surfaceImageHelper A_NONNULLPOINTER; |
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#endif // RESOURCES_IMAGEHELPER_H |