subimagesetloader.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/imageset.h"
 
#include "resources/image/image.h"
 
#include "resources/loaders/subimagesetloader.h"
 
#include "resources/resourcemanager/resourcemanager.h"
 
#include "utils/stringutils.h"
 
#include "debug.h"
 
namespace
{
 struct SubImageSetLoader final
 {
 A_DEFAULT_COPY(SubImageSetLoader)
 
 Image *const parent;
 int width;
 int height;
 static Resource *load(const void *const v)
 {
 if (v == nullptr)
 return nullptr;
 
 const SubImageSetLoader *const
 rl = static_cast<const SubImageSetLoader *>(v);
 
 if (rl->parent == nullptr)
 return nullptr;
 ImageSet *const res = new ImageSet(rl->parent,
 rl->width,
 rl->height,
 0,
 0);
 return res;
 }
 };
} // namespace
 
ImageSet *Loader::getSubImageSet(Image *const parent,
 const int width,
 const int height)
{
 if (parent == nullptr)
 return nullptr;
 
 const SubImageSetLoader rl = { parent, width, height };
 std::string str = std::string(
 parent->mIdPath).append(
 ", set[").append(toString(
 width)).append(
 "x").append(toString(
 height)).append(
 "]");
 return static_cast<ImageSet*>(ResourceManager::get(str,
 SubImageSetLoader::load, &rl));
}