From d999495a01cf6b6cb206a968944b889ab29e3450 Mon Sep 17 00:00:00 2001 From: Guillaume Belz Date: Wed, 17 Aug 2016 23:49:22 +0100 Subject: Add geoservices plugin to support ESRI mapping services [ChangeLog] Add geoservices plugin to support ESRI mapping services. Change-Id: I96fdfd9af77dc51166a9ded268bbcf0d66016fda Reviewed-by: Alex Blasche --- .../geoservices/esri/geotiledmapreply_esri.cpp | 129 +++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 src/plugins/geoservices/esri/geotiledmapreply_esri.cpp (limited to 'src/plugins/geoservices/esri/geotiledmapreply_esri.cpp') diff --git a/src/plugins/geoservices/esri/geotiledmapreply_esri.cpp b/src/plugins/geoservices/esri/geotiledmapreply_esri.cpp new file mode 100644 index 00000000..e0816c15 --- /dev/null +++ b/src/plugins/geoservices/esri/geotiledmapreply_esri.cpp @@ -0,0 +1,129 @@ +/**************************************************************************** +** +** Copyright (C) 2013-2016 Esri +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtLocation module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 https://www.qt.io/terms-conditions. For further +** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "geotiledmapreply_esri.h" + +#include + +QT_BEGIN_NAMESPACE + +static const unsigned char pngSignature[] = {0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00}; +static const unsigned char jpegSignature[] = {0xFF, 0xD8, 0xFF, 0x00}; +static const unsigned char gifSignature[] = {0x47, 0x49, 0x46, 0x38, 0x00}; + +GeoTiledMapReplyEsri::GeoTiledMapReplyEsri(QNetworkReply *reply, const QGeoTileSpec &spec, + QObject *parent) : + QGeoTiledMapReply(spec, parent), m_reply(reply) +{ + connect(m_reply, SIGNAL(finished()), this, SLOT(networkReplyFinished())); + connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)), + this, SLOT(networkReplyError(QNetworkReply::NetworkError))); + connect(m_reply, SIGNAL(destroyed()), this, SLOT(replyDestroyed())); +} + +GeoTiledMapReplyEsri::~GeoTiledMapReplyEsri() +{ + if (m_reply) { + m_reply->deleteLater(); + m_reply = Q_NULLPTR; + } +} + +void GeoTiledMapReplyEsri::abort() +{ + if (!m_reply) + return; + + m_reply->abort(); + QGeoTiledMapReply::abort(); +} + +void GeoTiledMapReplyEsri::replyDestroyed() +{ + m_reply = Q_NULLPTR; +} + +void GeoTiledMapReplyEsri::networkReplyFinished() +{ + if (!m_reply) + return; + + if (m_reply->error() != QNetworkReply::NoError) + { + setError(QGeoTiledMapReply::CommunicationError, m_reply->errorString()); + m_reply->deleteLater(); + m_reply = Q_NULLPTR; + return; + } + + QByteArray const& imageData = m_reply->readAll(); + + bool validFormat = true; + if (imageData.startsWith(reinterpret_cast(pngSignature))) + setMapImageFormat(QStringLiteral("png")); + else if (imageData.startsWith(reinterpret_cast(jpegSignature))) + setMapImageFormat(QStringLiteral("jpg")); + else if (imageData.startsWith(reinterpret_cast(gifSignature))) + setMapImageFormat(QStringLiteral("gif")); + else + validFormat = false; + + if (validFormat) + setMapImageData(imageData); + + setFinished(true); + + m_reply->deleteLater(); + m_reply = Q_NULLPTR; +} + +void GeoTiledMapReplyEsri::networkReplyError(QNetworkReply::NetworkError error) +{ + if (!m_reply) + return; + + if (error != QNetworkReply::OperationCanceledError) + setError(QGeoTiledMapReply::CommunicationError, m_reply->errorString()); + + setFinished(true); + m_reply->deleteLater(); + m_reply = Q_NULLPTR; +} + +QT_END_NAMESPACE -- cgit v1.2.1