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Diffstat (limited to 'src/imports/location/qdeclarativegeomappixmapobject.cpp')
| -rw-r--r-- | src/imports/location/qdeclarativegeomappixmapobject.cpp | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/src/imports/location/qdeclarativegeomappixmapobject.cpp b/src/imports/location/qdeclarativegeomappixmapobject.cpp deleted file mode 100644 index f0e87465..00000000 --- a/src/imports/location/qdeclarativegeomappixmapobject.cpp +++ /dev/null @@ -1,359 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 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 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qdeclarativegeomappixmapobject_p.h" -#include "qdeclarativegraphicsgeomap_p.h" -#include "qgeomapdata.h" - -#include <QBrush> -#include <QUrl> -#include <QFile> -#include <QIODevice> -#include <QImage> -#include <QImageReader> - -#include <QtDeclarative/qdeclarativeengine.h> -#include <QtDeclarative/qdeclarativecontext.h> - -#include <QDebug> - -QT_BEGIN_NAMESPACE - -/*! - \qmlclass MapImage - - \brief The MapImage element displays an image on a map. - \inherits QGeoMapPixmapObject - - \ingroup qml-location-maps - - The image loaded from \l source will be drawn \l offset.x and - \l offset.y pixels away from the on-screen position of \l coordinate. - - If \l source does not point to an image or \l coordinate is - invalid nothing will be displayed. - - The status of the image loading can be monitored via \l status. - - The MapImage element is part of the \bold{QtMobility.location 1.2} module. -*/ - -QDeclarativeGeoMapPixmapObject::QDeclarativeGeoMapPixmapObject(QSGItem *parent) - : QDeclarativeGeoMapObject(parent), - pixmap_(0), - reply_(0), - status_(QDeclarativeGeoMapPixmapObject::Null) -{ - pixmap_ = new QGeoMapPixmapObject(); - setMapObject(pixmap_); - - connect(pixmap_, - SIGNAL(offsetChanged(QPoint)), - this, - SIGNAL(offsetChanged(QPoint))); -} - -QDeclarativeGeoMapPixmapObject::~QDeclarativeGeoMapPixmapObject() -{ - // Memory management is bit tricky because we do not know - // which will be deleted first, the Map or some/all of the - // MapObjects. Hence we need to make sure that the internal - // c++ map objects are removed from QGeoMapData in either place - // (but not both). - if (map_) - map_->removeMapObject(this); - delete pixmap_; -} - -/*! - \qmlproperty Coordinate MapImage::coordinate - - This property holds the coordinate at which to anchor the image. -*/ - -void QDeclarativeGeoMapPixmapObject::setCoordinate(QDeclarativeCoordinate *coordinate) -{ - if (!coordinate || coordinate == coordinate_) - return; - coordinate_ = coordinate; - - connect(coordinate_, - SIGNAL(latitudeChanged(double)), - this, - SLOT(coordinateLatitudeChanged(double))); - connect(coordinate_, - SIGNAL(longitudeChanged(double)), - this, - SLOT(coordinateLongitudeChanged(double))); - connect(coordinate_, - SIGNAL(altitudeChanged(double)), - this, - SLOT(coordinateAltitudeChanged(double))); - - pixmap_->setCoordinate(coordinate->coordinate()); - emit coordinateChanged(coordinate_); -} - -QDeclarativeCoordinate* QDeclarativeGeoMapPixmapObject::coordinate() -{ - return coordinate_; -} - -void QDeclarativeGeoMapPixmapObject::coordinateLatitudeChanged(double /*latitude*/) -{ - pixmap_->setCoordinate(coordinate_->coordinate()); -} - -void QDeclarativeGeoMapPixmapObject::coordinateLongitudeChanged(double /*longitude*/) -{ - pixmap_->setCoordinate(coordinate_->coordinate()); -} - -void QDeclarativeGeoMapPixmapObject::coordinateAltitudeChanged(double /*altitude*/) -{ - pixmap_->setCoordinate(coordinate_->coordinate()); -} - -/*! - \qmlproperty int MapImage::offset.x - \qmlproperty int MapImage::offset.y - - These properties hold the offset from the on-screen position of - \l coordinate at which the image should be displayed. - - They both default to 0. -*/ - -QPoint QDeclarativeGeoMapPixmapObject::offset() const -{ - return pixmap_->offset(); -} - -void QDeclarativeGeoMapPixmapObject::setOffset(const QPoint &offset) -{ - pixmap_->setOffset(offset); -} - -/*! - \qmlproperty url MapImage::source - - This property holds the URL describing the location of the image to - display. - - The URL can be absolute or relative to where the QML file - was loaded from, and can be a local file, a file embedded within - a Qt Resource bundle, or a file retrieved from the network. -*/ - -void QDeclarativeGeoMapPixmapObject::setSource(const QUrl &source) -{ - if (source_ == source) - return; - - source_ = source; - - load(); - - emit sourceChanged(source); -} - -QUrl QDeclarativeGeoMapPixmapObject::source() const -{ - return source_; -} - -/*! - \qmlproperty enumeration MapImage::status - - This property holds the status of image loading. It can be one of: - \list - \o MapImage.Null - no image has been set - \o MapImage.Ready - the image has been loaded - \o MapImage.Loading - the image is currently being loaded - \o MapImage.Error - an error occurred while loading the image - \endlist -*/ - -QDeclarativeGeoMapPixmapObject::Status QDeclarativeGeoMapPixmapObject::status() const -{ - return status_; -} - - -void QDeclarativeGeoMapPixmapObject::setStatus(const QDeclarativeGeoMapPixmapObject::Status status) -{ - if (status_ == status) - return; - - status_ = status; - - emit statusChanged(status_); -} - -void QDeclarativeGeoMapPixmapObject::load() -{ - // need to deal with absolute / relative local / remote files - - QUrl url = QDeclarativeEngine::contextForObject(this)->resolvedUrl(source_); - - QString path; - - if (url.scheme().compare(QLatin1String("qrc"), Qt::CaseInsensitive) == 0) { - if (url.authority().isEmpty()) - path = QLatin1Char(':') + url.path(); - } else if (url.scheme().compare(QLatin1String("file"), Qt::CaseInsensitive) == 0) { - path = url.toLocalFile(); - } - - if (!path.isEmpty()) { - QFile f(path); - if (f.open(QIODevice::ReadOnly)) { - QImage image; - QImageReader imageReader(&f); - if (imageReader.read(&image)) { - pixmap_->setPixmap(QPixmap::fromImage(image)); - setStatus(QDeclarativeGeoMapPixmapObject::Ready); - } else { - pixmap_->setPixmap(QPixmap()); - setStatus(QDeclarativeGeoMapPixmapObject::Error); - //qWarning() << "image read fail"; - } - } else { - pixmap_->setPixmap(QPixmap()); - setStatus(QDeclarativeGeoMapPixmapObject::Error); - //qWarning() << "file open fail"; - } - } else { - if (reply_) { - reply_->abort(); - reply_->deleteLater(); - reply_ = 0; - } - - QDeclarativeEngine *engine = QDeclarativeEngine::contextForObject(this)->engine(); - if (engine) { - QNetworkAccessManager *nam = engine->networkAccessManager(); - reply_ = nam->get(QNetworkRequest(url)); - - if (reply_->isFinished()) { - if (reply_->error() == QNetworkReply::NoError) { - finished(); - } else { - error(reply_->error()); - } - delete reply_; - reply_ = 0; - return; - } - - setStatus(QDeclarativeGeoMapPixmapObject::Loading); - - connect(reply_, - SIGNAL(finished()), - this, - SLOT(finished())); - connect(reply_, - SIGNAL(error(QNetworkReply::NetworkError)), - this, - SLOT(error(QNetworkReply::NetworkError))); - - } else { - pixmap_->setPixmap(QPixmap()); - setStatus(QDeclarativeGeoMapPixmapObject::Error); - //qWarning() << "null engine fail"; - } - } -} - -void QDeclarativeGeoMapPixmapObject::finished() -{ - if (reply_->error() != QNetworkReply::NoError) { - reply_->deleteLater(); - reply_ = 0; - return; - } - - QImage image; - QImageReader imageReader(reply_); - if (imageReader.read(&image)) { - pixmap_->setPixmap(QPixmap::fromImage(image)); - setStatus(QDeclarativeGeoMapPixmapObject::Ready); - } else { - pixmap_->setPixmap(QPixmap()); - setStatus(QDeclarativeGeoMapPixmapObject::Error); - //qWarning() << "image read fail"; - } - - reply_->deleteLater(); - reply_ = 0; -} - -void QDeclarativeGeoMapPixmapObject::error(QNetworkReply::NetworkError error) -{ - Q_UNUSED(error) - reply_->deleteLater(); - reply_ = 0; - - pixmap_->setPixmap(QPixmap()); - setStatus(QDeclarativeGeoMapPixmapObject::Error); - //qWarning() << "network error fail"; -} - -/*! - \qmlproperty int MapImage::z - - This property holds the z-value of the image. - - Map objects are drawn in z-value order, and objects with the - same z-value will be drawn in insertion order. -*/ - -/*! - \qmlproperty bool MapImage::visible - - This property holds a boolean corresponding to whether or not the - image is visible. -*/ - -#include "moc_qdeclarativegeomappixmapobject_p.cpp" - -QT_END_NAMESPACE - |