/* Image.cpp */

/* Copyright (C) 2011-2024 Michael Lugmair (Lucio Carreras)
 *
 * This file is part of sayonara player
 *
 * 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 3 of the License, or
 * (at your option) 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 "Image.h"
#include "Utils.h"
#include "Utils/Logger/Logger.h"

#include <QPixmap>
#include <QByteArray>

using Util::Image;

struct Image::Private
{
	QByteArray data;
};

Image::Image() :
	m(std::make_unique<Private>()) {}

Image::Image(const QPixmap& pm, const QSize& maxSize) :
	Image()
{
	const auto isBigger =(pm.size().width() > maxSize.width()) ||
			(pm.size().height() > maxSize.height());

	m->data = convertPixmapToByteArray(isBigger
		? pm.scaled(maxSize, Qt::KeepAspectRatio, Qt::SmoothTransformation)
		: pm);
}

Image::Image(const Image& other) :
	Image()
{
	*m = *other.m;
}

Image::Image(Image&& other) noexcept :
	Image()
{
	*m = std::move(*other.m);
}

Image::~Image() = default;

Image& Image::operator=(const Image& other)
{
	*m = *other.m;
	return *this;
}

Image& Image::operator=(Image&& other) noexcept
{
	*m = std::move(*other.m);
	return *this;
}

QPixmap Image::pixmap() const
{
	if(!m || m->data.isEmpty())
	{
		spLog(Log::Warning, this) << "No data";
		return {};
	}

	const auto pm = convertByteArrayToPixmap(m->data);
	if(pm.isNull())
	{
		spLog(Log::Warning, this) << "Pixmap is empty after decompressing (" << m->data.size() << " bytes)";
	}

	return pm;
}
