KmlPhotoOverlayWriter.cpp

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2012 Shou Ya <shouyatf@gmail.com>
// SPDX-FileCopyrightText: 2012 Dennis Nienhüser <nienhueser@kde.org>
//
 
#include "KmlPhotoOverlayWriter.h"
 
#include "GeoDataPhotoOverlay.h"
#include "GeoDataTypes.h"
#include "GeoDataImagePyramid.h"
#include "GeoDataPoint.h"
#include "GeoDataViewVolume.h"
#include "GeoWriter.h"
#include "KmlElementDictionary.h"
 
namespace Marble
{
 
static GeoTagWriterRegistrar s_writerLookAt(
    GeoTagWriter::QualifiedName( GeoDataTypes::GeoDataPhotoOverlayType,
                 kml::kmlTag_nameSpaceOgc22 ),
    new KmlPhotoOverlayWriter );
 
KmlPhotoOverlayWriter::KmlPhotoOverlayWriter() : KmlOverlayTagWriter( kml::kmlTag_PhotoOverlay )
{
    // nothing to do
}
 
bool KmlPhotoOverlayWriter::writeMid( const GeoNode *node, GeoWriter &writer ) const
{
    KmlOverlayTagWriter::writeMid( node, writer );
 
    const GeoDataPhotoOverlay *photo_overlay =
        static_cast<const GeoDataPhotoOverlay*>( node );
 
    // rotation
    QString const rotation = QString::number( photo_overlay->rotation(), 'f', 3 );
    writer.writeOptionalElement( kml::kmlTag_rotation, rotation, "0.000" );
 
    // ViewVolume
    writer.writeStartElement( kml::kmlTag_ViewVolume );
    writer.writeOptionalElement<qreal>( kml::kmlTag_leftFov, photo_overlay->viewVolume().leftFov(), 0 );
    writer.writeOptionalElement<qreal>( kml::kmlTag_rightFov, photo_overlay->viewVolume().rightFov(), 0 );
    writer.writeOptionalElement<qreal>( kml::kmlTag_bottomFov, photo_overlay->viewVolume().bottomFov(), 0 );
    writer.writeOptionalElement<qreal>( kml::kmlTag_topFov, photo_overlay->viewVolume().topFov(), 0 );
    writer.writeOptionalElement<qreal>( kml::kmlTag_near, photo_overlay->viewVolume().near(), 0 );
    writer.writeEndElement();
 
    // ImagePyramid
    writer.writeStartElement( kml::kmlTag_ImagePyramid );
    writer.writeOptionalElement<int>( kml::kmlTag_tileSize, photo_overlay->imagePyramid().tileSize(), 256 );
    writer.writeOptionalElement<int>( kml::kmlTag_maxWidth, photo_overlay->imagePyramid().maxWidth() );
    writer.writeOptionalElement<int>( kml::kmlTag_maxHeight, photo_overlay->imagePyramid().maxHeight() );
 
    switch ( photo_overlay->imagePyramid().gridOrigin() )
    {
    case GeoDataImagePyramid::LowerLeft:
        writer.writeElement( kml::kmlTag_gridOrigin, "lowerLeft" );
        break;
    case GeoDataImagePyramid::UpperLeft:
        writer.writeElement( kml::kmlTag_gridOrigin, "upperLeft" );
        break;
    }
    writer.writeEndElement();
 
    // Point
    writeElement( &photo_overlay->point(), writer );
 
    // shape
    switch ( photo_overlay->shape() )
    {
    case GeoDataPhotoOverlay::Rectangle:
        break;
    case GeoDataPhotoOverlay::Cylinder:
        writer.writeElement( kml::kmlTag_shape, "cylinder" );
        break;
    case GeoDataPhotoOverlay::Sphere:
        writer.writeElement( kml::kmlTag_shape, "sphere" );
        break;
    }
 
    return true;
}
 
}