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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) 2011-2014 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/surfaceimagehelper.h"
#include "resources/dye.h"
#include "resources/resourcemanager.h"
#include "logger.h"
#include "main.h"
#include "resources/image.h"
#include "utils/sdlcheckutils.h"
#include <SDL_image.h>
#include "debug.h"
bool SurfaceImageHelper::mEnableAlphaCache = false;
Image *SurfaceImageHelper::load(SDL_RWops *const rw, Dye const &dye) const
{
SDL_Surface *const tmpImage = loadPng(rw);
if (!tmpImage)
{
logger->log("Error, image load failed: %s", IMG_GetError());
return nullptr;
}
SDL_PixelFormat rgba;
rgba.palette = nullptr;
rgba.BitsPerPixel = 32;
rgba.BytesPerPixel = 4;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
rgba.Rmask = 0x000000FF;
rgba.Gmask = 0x0000FF00;
rgba.Bmask = 0x00FF0000;
rgba.Amask = 0xFF000000;
#else
rgba.Rmask = 0xFF000000;
rgba.Gmask = 0x00FF0000;
rgba.Bmask = 0x0000FF00;
rgba.Amask = 0x000000FF;
#endif
SDL_Surface *const surf = MSDL_ConvertSurface(
tmpImage, &rgba, SDL_SWSURFACE);
MSDL_FreeSurface(tmpImage);
uint32_t *pixels = static_cast<uint32_t *>(surf->pixels);
const int type = dye.getType();
switch (type)
{
case 1:
{
const DyePalette *const pal = dye.getSPalete();
if (pal)
pal->replaceSColor(pixels, surf->w * surf->h);
break;
}
case 2:
{
const DyePalette *const pal = dye.getAPalete();
if (pal)
pal->replaceAColor(pixels, surf->w * surf->h);
break;
}
case 0:
default:
{
dye.normalDye(pixels, surf->w * surf->h);
break;
}
}
Image *const image = load(surf);
MSDL_FreeSurface(surf);
return image;
}
Image *SurfaceImageHelper::load(SDL_Surface *const tmpImage) const
{
return _SDLload(tmpImage);
}
Image *SurfaceImageHelper::createTextSurface(SDL_Surface *const tmpImage,
const int width A_UNUSED,
const int height A_UNUSED,
const float alpha) const
{
if (!tmpImage)
return nullptr;
Image *img;
bool hasAlpha = false;
uint8_t *alphaChannel = nullptr;
SDL_Surface *image = SDLDuplicateSurface(tmpImage);
img = new Image(image, hasAlpha, alphaChannel);
img->setAlpha(alpha);
return img;
}
SDL_Surface* SurfaceImageHelper::SDLDuplicateSurface(SDL_Surface *const
tmpImage)
{
if (!tmpImage || !tmpImage->format)
return nullptr;
return MSDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE);
}
Image *SurfaceImageHelper::_SDLload(SDL_Surface *tmpImage) const
{
if (!tmpImage)
return nullptr;
SDL_Surface *image = convertTo32Bit(tmpImage);
return new Image(image, false, nullptr);
}
RenderType SurfaceImageHelper::useOpenGL() const
{
return RENDER_SOFTWARE;
}
SDL_Surface *SurfaceImageHelper::create32BitSurface(int width,
int height) const
{
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
const int rmask = 0xff000000;
const int gmask = 0x00ff0000;
const int bmask = 0x0000ff00;
const int amask = 0x000000ff;
#else
const int rmask = 0x000000ff;
const int gmask = 0x0000ff00;
const int bmask = 0x00ff0000;
const int amask = 0xff000000;
#endif
return MSDL_CreateRGBSurface(SDL_SWSURFACE,
width, height, 32, rmask, gmask, bmask, amask);
}
int SurfaceImageHelper::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;
}
#endif // USE_SDL2
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