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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) 2011-2016 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/>.
*/
#ifdef USE_SDL2
#include "resources/sdl2imagehelper.h"
#include "resources/image/image.h"
#include "utils/checkutils.h"
#include "utils/sdlcheckutils.h"
#include "debug.h"
bool SDLImageHelper::mEnableAlphaCache = false;
#ifdef USE_SDL2
SDL_Renderer *SDLImageHelper::mRenderer = nullptr;
#endif
Image *SDLImageHelper::loadSurface(SDL_Surface *const tmpImage)
{
return _SDLload(tmpImage);
}
Image *SDLImageHelper::createTextSurface(SDL_Surface *const tmpImage,
const int width A_UNUSED,
const int height A_UNUSED,
const float alpha)
{
if (!tmpImage)
return nullptr;
Image *const img = _SDLload(tmpImage);
if (img)
img->setAlpha(alpha);
return img;
}
SDL_Surface* SDLImageHelper::SDLDuplicateSurface(SDL_Surface *const tmpImage)
{
if (!tmpImage || !tmpImage->format)
return nullptr;
return MSDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE);
}
Image *SDLImageHelper::_SDLload(SDL_Surface *tmpImage)
{
if (!tmpImage)
return nullptr;
SDL_Texture *const texture = SDL_CreateTextureFromSurface(
mRenderer, tmpImage);
if (!texture)
{
reportAlways("Texture from surface creation failed: %s",
SDL_GetError());
return nullptr;
}
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
return new Image(texture, tmpImage->w, tmpImage->h);
}
int SDLImageHelper::combineSurface(SDL_Surface *restrict const src,
SDL_Rect *restrict const srcrect,
SDL_Surface *restrict const dst,
SDL_Rect *restrict const dstrect)
{
SDL_SetSurfaceBlendMode(src, SDL_BLENDMODE_BLEND);
SDL_BlitSurface(src, srcrect, dst, dstrect);
return 1;
}
void SDLImageHelper::copySurfaceToImage(const Image *const image,
const int x, const int y,
SDL_Surface *const surface) const
{
if (!image || !surface)
return;
SDL_SetSurfaceAlphaMod(surface, SDL_ALPHA_OPAQUE);
SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_NONE);
SDL_Rect rect =
{
x, y,
surface->w, surface->h
};
SDL_BlitSurface(surface, nullptr, image->mSDLSurface, &rect);
}
#endif // USE_SDL2
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