diff options
Diffstat (limited to 'tests/manual/examples/widgets/itemviews/pixelator/imagemodel.cpp')
-rw-r--r-- | tests/manual/examples/widgets/itemviews/pixelator/imagemodel.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/itemviews/pixelator/imagemodel.cpp b/tests/manual/examples/widgets/itemviews/pixelator/imagemodel.cpp new file mode 100644 index 0000000000..6b5b866522 --- /dev/null +++ b/tests/manual/examples/widgets/itemviews/pixelator/imagemodel.cpp @@ -0,0 +1,53 @@ +// 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] |