/****************************************************************************
**
** Copyright (C) 1992-2004 Trolltech AS. All rights reserved.
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** This file is part of the demonstration applications of the Qt Toolkit.
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** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
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** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
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**   information about Qt Commercial License Agreements.
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#include "imagemodel.h"

ImageModel::ImageModel(const QString &fileName, QObject *parent)
    : QAbstractTableModel(parent)
{
    image.load(fileName);
}

ImageModel::~ImageModel()
{

}

int ImageModel::rowCount() const
{
    return image.height();
}

int ImageModel::columnCount() const
{
    return image.width();
}

QVariant ImageModel::data(const QModelIndex &index, int role) const
{
    if (index.isValid() && role == QAbstractItemModel::DisplayRole)
        return image.pixel(index.column(), index.row());
    return QVariant();
}

bool ImageModel::setData(const QModelIndex &index, int role, const QVariant &value)
{
    if (index.isValid() && role == QAbstractItemModel::EditRole) {
        image.setPixel(index.column(), index.row(), value.toInt());
        emit dataChanged(index, index);
        return true;
    }
    return false;
}

QAbstractItemModel::ItemFlags ImageModel::flags(const QModelIndex &index) const
{
    return QAbstractItemModel::flags(index) | ItemIsEditable;
}
