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| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** This file is part of the QtLocation module of the Qt Toolkit. |
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| |
| #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 |