imageloader.cpp

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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) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * 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/>.
 */
 
#include "resources/imagehelper.h"
 
#include "fs/virtfs/rwops.h"
 
#include "resources/image/image.h"
 
#include "resources/loaders/imageloader.h"
 
#include "resources/resourcemanager/resourcemanager.h"
 
#include "resources/dye/dye.h"
 
#include "utils/checkutils.h"
 
#include "debug.h"
 
namespace
{
 struct DyedImageLoader final
 {
 A_DEFAULT_COPY(DyedImageLoader)
 
 std::string path;
 static Resource *load(const void *const v)
 {
 BLOCK_START("DyedImageLoader::load")
 if (v == nullptr)
 {
 BLOCK_END("DyedImageLoader::load")
 return nullptr;
 }
 
 const DyedImageLoader *const rl
 = static_cast<const DyedImageLoader *>(v);
 
 std::string path1 = rl->path;
 const size_t p = path1.find('|');
 Dye *d = nullptr;
 if (p != std::string::npos)
 {
 d = new Dye(path1.substr(p + 1));
 path1 = path1.substr(0, p);
 }
 SDL_RWops *const rw = VirtFs::rwopsOpenRead(path1);
 if (rw == nullptr)
 {
 delete d;
 reportAlways("Image loading error: %s", path1.c_str())
 BLOCK_END("DyedImageLoader::load")
 return nullptr;
 }
 Resource *const res = d != nullptr ? imageHelper->load(rw, *d)
 : imageHelper->load(rw);
 delete d;
 if (res == nullptr)
 reportAlways("Image loading error: %s", path1.c_str())
 BLOCK_END("DyedImageLoader::load")
 return res;
 }
 };
} // namespace
 
Image *Loader::getImage(const std::string &idPath)
{
 DyedImageLoader rl = { idPath };
 return static_cast<Image*>(ResourceManager::get(idPath,
 DyedImageLoader::load, &rl));
}