/* * 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/>. */ #ifdef USE_SDL2 #include "resources/sdl2imagehelper.h" #include "resources/dye.h" #include "resources/resourcemanager.h" #include "client.h" #include "logger.h" #include "main.h" #include "resources/image.h" #include <SDL_image.h> #include "debug.h" bool SDLImageHelper::mEnableAlphaCache = false; Image *SDLImageHelper::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 = SDL_ConvertSurface( tmpImage, &rgba, SDL_SWSURFACE); SDL_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); SDL_FreeSurface(surf); return image; } Image *SDLImageHelper::load(SDL_Surface *const tmpImage) const { return _SDLload(tmpImage); } Image *SDLImageHelper::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->mAlpha = alpha; return img; } SDL_Surface* SDLImageHelper::SDLDuplicateSurface(SDL_Surface *const tmpImage) { if (!tmpImage || !tmpImage->format) return nullptr; return SDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE); } Image *SDLImageHelper::_SDLload(SDL_Surface *tmpImage) const { if (!tmpImage) return nullptr; SDL_Surface *image = convertTo32Bit(tmpImage); return new Image(image, false, nullptr); } int SDLImageHelper::useOpenGL() const { return 0; } SDL_Surface *SDLImageHelper::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 SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, rmask, gmask, bmask, amask); } int SDLImageHelper::combineSurface(SDL_Surface *const src, SDL_Rect *const srcrect, SDL_Surface *const dst, SDL_Rect *const dstrect) { SDL_SetSurfaceBlendMode (src, SDL_BLENDMODE_BLEND); SDL_BlitSurface(src, srcrect, dst, dstrect); return 1; } #endif // USE_SDL2