Files
lcd-image-converter/classes/data/datacontainer.cpp
2012-12-19 16:02:39 +06:00

106 lines
3.5 KiB
C++

/*
* LCD Image Converter. Converts images and fonts for embedded applications.
* Copyright (C) 2010 riuson
* mailto: riuson@gmail.com
*
* 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 "datacontainer.h"
#include <QImage>
#include "historykeeper.h"
//-----------------------------------------------------------------------------
DataContainer::DataContainer(QObject *parent) :
QObject(parent)
{
this->mDefaultImage = new QImage(":/images/template");
this->mHistory = new HistoryKeeper(this);
}
//-----------------------------------------------------------------------------
DataContainer::~DataContainer()
{
qDeleteAll(this->mImageMap);
delete this->mDefaultImage;
delete this->mHistory;
}
//-----------------------------------------------------------------------------
const QImage *DataContainer::image(const QString &key) const
{
return this->mImageMap.value(key, this->mDefaultImage);
}
//-----------------------------------------------------------------------------
void DataContainer::setImage(const QString &key, const QImage *image)
{
this->remove(key);
QImage *imageNew = new QImage(*image);
this->mImageMap.insert(key, imageNew);
emit this->imageChanged(key);
}
//-----------------------------------------------------------------------------
QVariant DataContainer::info(const QString &key) const
{
if (this->mInfoMap.contains(key))
{
return this->mInfoMap.value(key);
}
return QVariant();
}
//-----------------------------------------------------------------------------
void DataContainer::setInfo(const QString &key, const QVariant &value)
{
this->mInfoMap.insert(key, value);
}
//-----------------------------------------------------------------------------
void DataContainer::clear()
{
qDeleteAll(this->mImageMap);
this->mImageMap.clear();
}
//-----------------------------------------------------------------------------
int DataContainer::count() const
{
return this->mImageMap.count();
}
//-----------------------------------------------------------------------------
QStringList DataContainer::keys() const
{
QList<QString> tmp = this->mImageMap.keys();
qSort(tmp);
QStringList result(tmp);
return result;
}
//-----------------------------------------------------------------------------
void DataContainer::remove(const QString &key)
{
if (this->mImageMap.contains(key))
{
QImage *imageOld = this->mImageMap.value(key);
this->mImageMap.remove(key);
delete imageOld;
}
}
//-----------------------------------------------------------------------------
void DataContainer::saveState()
{
this->mHistory->store(&this->mImageMap, &this->mInfoMap);
}
//-----------------------------------------------------------------------------
void DataContainer::restoreState()
{
this->mHistory->restorePrevious(&this->mImageMap, &this->mInfoMap);
}
//-----------------------------------------------------------------------------