DgmlTextureTagHandler.cpp

/*
    SPDX-FileCopyrightText: 2007 Nikolas Zimmermann <[email protected]>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#include "DgmlTextureTagHandler.h"
 
#include <limits>
 
#include "MarbleDebug.h"
 
#include "DgmlElementDictionary.h"
#include "DgmlAttributeDictionary.h"
#include "DgmlAuxillaryDictionary.h"
#include "GeoParser.h"
#include "GeoSceneLayer.h"
#include "GeoSceneTextureTileDataset.h"
 
namespace Marble
{
namespace dgml
{
DGML_DEFINE_TAG_HANDLER(Texture)
 
GeoNode* DgmlTextureTagHandler::parse(GeoParser& parser) const
{
    // Check whether the tag is valid
    Q_ASSERT(parser.isStartElement() && parser.isValidElement(QLatin1String(dgmlTag_Texture)));
 
    const QString name = parser.attribute(dgmlAttr_name).trimmed();
 
    const QString expireStr = parser.attribute(dgmlAttr_expire).trimmed();
    int expire = std::numeric_limits<int>::max();
    if ( !expireStr.isEmpty() )
        expire = expireStr.toInt();
 
    GeoSceneTileDataset *texture = nullptr;
 
    // Checking for parent item
    GeoStackItem parentItem = parser.parentElement();
 
    // Check parent type and make sure that the dataSet type 
    // matches the backend of the parent layer
    if ( parentItem.represents(dgmlTag_Layer)
        && parentItem.nodeAs<GeoSceneLayer>()->backend() == dgmlValue_texture ) {
 
        texture = new GeoSceneTextureTileDataset( name );
        texture->setExpire( expire );
        parentItem.nodeAs<GeoSceneLayer>()->addDataset( texture );
    }
 
    return texture;
}
 
}
}