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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "imagemodel.h"
//! [0]
ImageModel::ImageModel(QObject *parent)
: QAbstractTableModel(parent)
{
}
//! [0]
//! [1]
void ImageModel::setImage(const QImage &image)
{
beginResetModel();
modelImage = image;
endResetModel();
}
//! [1]
//! [2]
int ImageModel::rowCount(const QModelIndex & /* parent */) const
{
return modelImage.height();
}
int ImageModel::columnCount(const QModelIndex & /* parent */) const
//! [2] //! [3]
{
return modelImage.width();
}
//! [3]
//! [4]
QVariant ImageModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || role != Qt::DisplayRole)
return QVariant();
return qGray(modelImage.pixel(index.column(), index.row()));
}
//! [4]
//! [5]
QVariant ImageModel::headerData(int /* section */,
Qt::Orientation /* orientation */,
int role) const
{
if (role == Qt::SizeHintRole)
return QSize(1, 1);
return QVariant();
}
//! [5]
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