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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/rescaledloader.h"
#include "resources/resourcemanager/resourcemanager.h"
#include "utils/checkutils.h"
#include "utils/stringutils.h"
#include "debug.h"
namespace
{
struct RescaledLoader final
{
A_DEFAULT_COPY(RescaledLoader)
const Image *const image;
const int width;
const int height;
static Resource *load(const void *const v)
{
if (!v)
return nullptr;
const RescaledLoader *const rl
= static_cast<const RescaledLoader *const>(v);
if (!rl->image)
return nullptr;
Image *const rescaled = rl->image->SDLgetScaledImage(
rl->width, rl->height);
if (!rescaled)
{
reportAlways("Rescale image failed: %s",
rl->image->getIdPath().c_str());
return nullptr;
}
return rescaled;
}
};
} // namespace
Image *Loader::getRescaled(const Image *const image,
const int width,
const int height)
{
if (!image)
return nullptr;
const std::string idPath = image->getIdPath() + strprintf(
"_rescaled%dx%d", width, height);
const RescaledLoader rl = { image, width, height };
Image *const img = static_cast<Image *const>(
resourceManager->get(idPath, RescaledLoader::load, &rl));
return img;
}
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