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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgeotiledmap_nokia.h"
#include "qgeotiledmappingmanagerengine_nokia.h"
#include <QDebug>
#include <QObject>
#include <QColor>
#include <QFont>
#include <QPainter>
#include <QImage>
#include <QRect>
#include <QStaticText>
QT_BEGIN_NAMESPACE
/*!
Constructs a new tiled map data object, which stores the map data required by
\a geoMap and makes use of the functionality provided by \a engine.
*/
QGeoTiledMapNokia::QGeoTiledMapNokia(QGeoTiledMappingManagerEngineNokia *engine, QObject *parent /*= 0*/) :
Map(engine, parent),
m_logo(":/nokia/logo.png"), // HERE logo image
m_engine(engine)
{}
QGeoTiledMapNokia::~QGeoTiledMapNokia() {}
void QGeoTiledMapNokia::evaluateCopyrights(const QSet<QGeoTileSpec> &visibleTiles)
{
const int spaceToLogo = 4;
const int blurRate = 1;
const int fontSize = 10;
if (m_engine.isNull())
return;
const QString copyrightsString = m_engine->evaluateCopyrightsText(activeMapType(), cameraData().zoomLevel(), visibleTiles);
if (viewportWidth() > 0 && viewportHeight() > 0 && ((copyrightsString.isNull() && m_copyrightsSlab.isNull()) || copyrightsString != m_lastCopyrightsString)) {
QFont font("Sans Serif");
font.setPixelSize(fontSize);
font.setStyleHint(QFont::SansSerif);
font.setWeight(QFont::Bold);
QRect textBounds = QFontMetrics(font).boundingRect(0, 0, viewportWidth(), viewportHeight(), Qt::AlignBottom | Qt::AlignLeft | Qt::TextWordWrap, copyrightsString);
m_copyrightsSlab = QImage(m_logo.width() + textBounds.width() + spaceToLogo + blurRate * 2,
qMax(m_logo.height(), textBounds.height() + blurRate * 2),
QImage::Format_ARGB32_Premultiplied);
m_copyrightsSlab.fill(Qt::transparent);
QPainter painter(&m_copyrightsSlab);
painter.drawImage(QPoint(0, m_copyrightsSlab.height() - m_logo.height()), m_logo);
painter.setFont(font);
painter.setPen(QColor(0, 0, 0, 64));
painter.translate(spaceToLogo + m_logo.width(), -blurRate);
for (int x=-blurRate; x<=blurRate; ++x) {
for (int y=-blurRate; y<=blurRate; ++y) {
painter.drawText(x, y, textBounds.width(), m_copyrightsSlab.height(),
Qt::AlignBottom | Qt::AlignLeft | Qt::TextWordWrap,
copyrightsString);
}
}
painter.setPen(Qt::white);
painter.drawText(0, 0, textBounds.width(), m_copyrightsSlab.height(),
Qt::AlignBottom | Qt::AlignLeft | Qt::TextWordWrap,
copyrightsString);
painter.end();
m_lastCopyrightsString = copyrightsString;
}
emit copyrightsChanged(m_copyrightsSlab);
}
QT_END_NAMESPACE
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