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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) 2011-2017 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/>.
*/
#include "resources/image/image.h"
#include "resources/loaders/subimageloader.h"
#include "resources/resourcemanager/resourcemanager.h"
#include "utils/checkutils.h"
#include "utils/stringutils.h"
#include "debug.h"
namespace
{
struct SubImageLoader final
{
A_DEFAULT_COPY(SubImageLoader)
Image *const parent;
const int x;
const int y;
const int width;
const int height;
static Resource *load(const void *const v)
{
if (v == nullptr)
return nullptr;
const SubImageLoader *const
rl = static_cast<const SubImageLoader *>(v);
if (rl->parent == nullptr)
return nullptr;
Image *const res = rl->parent->getSubImage(rl->x, rl->y,
rl->width, rl->height);
if (res == nullptr)
{
reportAlways("SubImage loading error: %s",
rl->parent->mSource.c_str());
}
return res;
}
};
} // namespace
Image *Loader::getSubImage(Image *const parent,
const int x,
const int y,
const int width,
const int height)
{
if (parent == nullptr)
return nullptr;
const SubImageLoader rl = { parent, x, y, width, height};
const std::string str = std::string(parent->mIdPath).append(
",[").append(
toString(x)).append(
",").append(
toString(y)).append(
",").append(
toString(width)).append(
"x").append(
toString(height)).append(
"]");
return static_cast<Image*>(ResourceManager::get(str,
SubImageLoader::load, &rl));
}
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