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KmlScreenOverlayWriter.cpp
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1 //
2 // This file is part of the Marble Virtual Globe.
3 //
4 // This program is free software licensed under the GNU LGPL. You can
5 // find a copy of this license in LICENSE.txt in the top directory of
6 // the source code.
7 //
8 // Copyright 2012 Mayank Madan <maddiemadan@gmail.com>
9 //
10 
11 #include "KmlScreenOverlayWriter.h"
12 
13 #include "GeoDataScreenOverlay.h"
14 #include "GeoDataTypes.h"
15 #include "GeoWriter.h"
16 #include "GeoTagWriter.h"
17 #include "KmlOverlayTagWriter.h"
18 #include "KmlElementDictionary.h"
19 
20 namespace Marble
21 {
22 static GeoTagWriterRegistrar s_writerLookAt(
23  GeoTagWriter::QualifiedName( GeoDataTypes::GeoDataScreenOverlayType,
24  kml::kmlTag_nameSpaceOgc22 ),
25  new KmlScreenOverlayWriter );
26 
27 KmlScreenOverlayWriter::KmlScreenOverlayWriter() : KmlOverlayTagWriter( kml::kmlTag_ScreenOverlay )
28 {
29  // nothing to do
30 }
31 
32 
33 bool KmlScreenOverlayWriter::writeMid( const GeoNode *node, GeoWriter& writer ) const
34 {
35  KmlOverlayTagWriter::writeMid( node, writer );
36 
37  const GeoDataScreenOverlay *screenOverlay = static_cast<const GeoDataScreenOverlay*>( node );
38  writeVec2( kml::kmlTag_overlayXY, screenOverlay->overlayXY(), writer );
39  writeVec2( kml::kmlTag_screenXY, screenOverlay->screenXY(), writer );
40  writeVec2( kml::kmlTag_rotationXY, screenOverlay->rotationXY(), writer );
41  writeVec2( kml::kmlTag_size, screenOverlay->size(), writer );
42  QString const rotation = QString::number(screenOverlay->rotation());
43  writer.writeOptionalElement( kml::kmlTag_rotation, rotation, "0" );
44  return true;
45 }
46 
47 void KmlScreenOverlayWriter::writeVec2( const QString &element, const GeoDataVec2 &vec2, GeoWriter &writer )
48 {
49  writer.writeStartElement( element );
50  writer.writeAttribute( "x", QString::number( vec2.x() ) );
51  writer.writeAttribute( "xunits", unitToString( vec2.xunit() ) );
52  writer.writeAttribute( "y", QString::number( vec2.y() ) );
53  writer.writeAttribute( "yunits", unitToString( vec2.yunit() ) );
54  writer.writeEndElement();
55 }
56 
57 QString KmlScreenOverlayWriter::unitToString( GeoDataVec2::Unit unit )
58 {
59  switch( unit ) {
60  case GeoDataVec2::Fraction: return "fraction";
61  case GeoDataVec2::Pixels: return "pixels";
62  case GeoDataVec2::InsetPixels: return "insetPixels";
63  }
64 
65  Q_ASSERT(false);
66  return "fraction";
67 }
68 
69 }
Marble::GeoDataScreenOverlay::screenXY
GeoDataVec2 screenXY() const
Definition: GeoDataScreenOverlay.cpp:93
Marble::GeoDataScreenOverlay::overlayXY
GeoDataVec2 overlayXY() const
Definition: GeoDataScreenOverlay.cpp:74
Marble::GeoWriter::writeOptionalElement
void writeOptionalElement(const QString &key, const QString &value, const QString &defaultValue=QString())
Convenience method to write value if value is not equal to defaultValue.
Definition: GeoWriter.cpp:98
Marble::s_writerLookAt
static GeoTagWriterRegistrar s_writerLookAt(GeoTagWriter::QualifiedName(GeoDataTypes::GeoDataGroundOverlayType, kml::kmlTag_nameSpaceOgc22), new KmlGroundOverlayWriter)
Marble::GeoDataVec2::Fraction
Definition: GeoDataVec2.h:25
GeoTagWriter.h
Marble::GeoNode
A shared base class for all classes that are mapped to a specific tag (ie.
Definition: GeoDocument.h:60
Marble::GeoDataVec2::Unit
Unit
Definition: GeoDataVec2.h:25
Marble::GeoDataVec2::xunit
Unit xunit() const
Definition: GeoDataVec2.cpp:89
Marble::KmlOverlayTagWriter
Definition: KmlOverlayTagWriter.h:23
Marble::kml::kmlTag_ScreenOverlay
const char * kmlTag_ScreenOverlay
Definition: KmlElementDictionary.cpp:164
Marble::KmlScreenOverlayWriter::KmlScreenOverlayWriter
KmlScreenOverlayWriter()
Definition: KmlScreenOverlayWriter.cpp:27
GeoWriter.h
Marble::GeoDataTypes::GeoDataScreenOverlayType
const char * GeoDataScreenOverlayType
Definition: GeoDataTypes.cpp:88
QString::number
QString number(int n, int base)
QPointF::x
qreal x() const
QPointF::y
qreal y() const
Marble::GeoDataScreenOverlay::rotationXY
GeoDataVec2 rotationXY() const
Definition: GeoDataScreenOverlay.cpp:112
Marble::GeoDataScreenOverlay
Definition: GeoDataScreenOverlay.h:22
Marble::kml::kmlTag_rotationXY
const char * kmlTag_rotationXY
Definition: KmlElementDictionary.cpp:158
KmlElementDictionary.h
Marble::GeoWriter
Standard Marble way of writing XML This class is intended to be a standardised way of writing XML for...
Definition: GeoWriter.h:29
Marble::kml::kmlTag_size
const char * kmlTag_size
Definition: KmlElementDictionary.cpp:170
Marble::GeoTagWriter::QualifiedName
QPair< QString, QString > QualifiedName
Object Name and Namespace Pair This type is intended to be used in a similar way to.
Definition: GeoTagWriter.h:48
QString
Marble::GeoDataScreenOverlay::size
GeoDataVec2 size() const
Definition: GeoDataScreenOverlay.cpp:131
GeoDataScreenOverlay.h
Marble::GeoDataVec2
Definition: GeoDataVec2.h:22
Marble::GeoDataVec2::yunit
Unit yunit() const
Definition: GeoDataVec2.cpp:99
Marble::kml::kmlTag_nameSpaceOgc22
const char * kmlTag_nameSpaceOgc22
Definition: KmlElementDictionary.cpp:34
Marble::kml::kmlTag_screenXY
const char * kmlTag_screenXY
Definition: KmlElementDictionary.cpp:165
KmlScreenOverlayWriter.h
Marble::KmlScreenOverlayWriter::writeMid
bool writeMid(const GeoNode *node, GeoWriter &writer) const
Definition: KmlScreenOverlayWriter.cpp:33
QXmlStreamWriter::writeAttribute
void writeAttribute(const QString &qualifiedName, const QString &value)
Marble::KmlOverlayTagWriter::writeMid
virtual bool writeMid(const GeoNode *node, GeoWriter &writer) const =0
Definition: KmlOverlayTagWriter.cpp:28
Marble::kml::kmlTag_overlayXY
const char * kmlTag_overlayXY
Definition: KmlElementDictionary.cpp:139
KmlOverlayTagWriter.h
Marble::GeoDataScreenOverlay::rotation
qreal rotation() const
Definition: GeoDataScreenOverlay.cpp:150
GeoDataTypes.h
Marble::GeoDataVec2::InsetPixels
Definition: GeoDataVec2.h:25
QXmlStreamWriter::writeEndElement
void writeEndElement()
QXmlStreamWriter::writeStartElement
void writeStartElement(const QString &qualifiedName)
Marble::GeoDataVec2::Pixels
Definition: GeoDataVec2.h:25
Marble::kml::kmlTag_rotation
const char * kmlTag_rotation
Definition: KmlElementDictionary.cpp:157
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