Revision control
++ // Copyright (C) 2018 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "imagemodel.h"
++
++ ImageModel::ImageModel(QObject *parent)
++ : QAbstractTableModel(parent)
++ {
++ }
++
++ QString ImageModel::source() const
++ {
++ return m_source;
++ }
++
++ //! [setsource]
++ void ImageModel::setSource(const QString &source)
++ {
++ if (m_source == source)
++ return;
++
++ beginResetModel();
++ m_source = source;
++ m_image.load(m_source);
++ endResetModel();
++ }
++ //! [setsource]
++
++ //! [rowcolcount]
++ int ImageModel::rowCount(const QModelIndex &parent) const
++ {
++ if (parent.isValid())
++ return 0;
++ return m_image.height();
++ }
++
++ int ImageModel::columnCount(const QModelIndex &parent) const
++ {
++ if (parent.isValid())
++ return 0;
++ return m_image.width();
++ }
++ //! [rowcolcount]
++
++
++ //! [data]
++ QVariant ImageModel::data(const QModelIndex &index, int role) const
++ {
++ if (!index.isValid() || role != Qt::DisplayRole)
++ return QVariant();
++ return qGray(m_image.pixel(index.column(), index.row()));
++ }
++ //! [data]
++
++ QVariant ImageModel::headerData(int /* section */, Qt::Orientation /* orientation */,
++ int role) const
++ {
++ if (role == Qt::SizeHintRole)
++ return QSize(1, 1);
++ return QVariant();
++ }