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authorAndrei Karas <akaras@inbox.ru>2013-08-25 13:19:23 +0300
committerAndrei Karas <akaras@inbox.ru>2013-08-25 14:03:36 +0300
commitba0815355ef7be8e5f46720be5a6911e466e1568 (patch)
treed464944cc5796535507461fa26b49f636e88a9bf /src/resources/surfaceimagehelper.h
parent948d940d46240ff518ec9b1037503bebdb47196a (diff)
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add SurfaceImageHelper for loading/processing surfaces for SDL2.
For SDL1.2 used SDLImageHelper.
Diffstat (limited to 'src/resources/surfaceimagehelper.h')
-rw-r--r--src/resources/surfaceimagehelper.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/resources/surfaceimagehelper.h b/src/resources/surfaceimagehelper.h
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+++ b/src/resources/surfaceimagehelper.h
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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) 2011-2013 The ManaPlus Developers
+ *
+ * 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_SURFACEIMAGEHELPER_H
+#define RESOURCES_SURFACEIMAGEHELPER_H
+
+#ifndef USE_SDL2
+#include "resources/sdlimagehelper.h"
+
+#else
+
+#include "localconsts.h"
+
+#include "resources/imagehelper.h"
+
+#include <SDL.h>
+
+class Dye;
+class Image;
+
+/**
+ * Defines a class for loading and storing images.
+ */
+class SurfaceImageHelper final : public ImageHelper
+{
+ friend class Image;
+
+ public:
+ SurfaceImageHelper()
+ { }
+
+ A_DELETE_COPY(SurfaceImageHelper)
+
+ virtual ~SurfaceImageHelper()
+ { }
+
+ /**
+ * Loads an image from an SDL_RWops structure and recolors it.
+ *
+ * @param rw The SDL_RWops to load the image from.
+ * @param dye The dye used to recolor the image.
+ *
+ * @return <code>NULL</code> if an error occurred, a valid pointer
+ * otherwise.
+ */
+ Image *load(SDL_RWops *const rw,
+ Dye const &dye) const override A_WARN_UNUSED;
+
+ /**
+ * Loads an image from an SDL surface.
+ */
+ Image *load(SDL_Surface *const tmpImage) const override A_WARN_UNUSED;
+
+ Image *createTextSurface(SDL_Surface *const tmpImage,
+ const int width, const int height,
+ const float alpha)
+ const override A_WARN_UNUSED;
+
+ static void SDLSetEnableAlphaCache(const bool n)
+ { mEnableAlphaCache = n; }
+
+ static bool SDLGetEnableAlphaCache() A_WARN_UNUSED
+ { return mEnableAlphaCache; }
+
+ /**
+ * Tells if the image was loaded using OpenGL or SDL
+ * @return true if OpenGL, false if SDL.
+ */
+ int useOpenGL() const override A_WARN_UNUSED;
+
+ static SDL_Surface* SDLDuplicateSurface(SDL_Surface *const tmpImage)
+ A_WARN_UNUSED;
+
+ SDL_Surface *create32BitSurface(int width, int height) const override;
+
+ static int combineSurface(SDL_Surface *const src,
+ SDL_Rect *const srcrect,
+ SDL_Surface *const dst,
+ SDL_Rect *const dstrect);
+
+ protected:
+ /** SDL_Surface to SDL_Surface Image loader */
+ Image *_SDLload(SDL_Surface *tmpImage) const A_WARN_UNUSED;
+
+ static bool mEnableAlphaCache;
+};
+
+#endif // USE_SDL2
+#endif // RESOURCES_SURFACEIMAGEHELPER_H