Marble

KmlIconStyleTagWriter.cpp
1// SPDX-License-Identifier: LGPL-2.1-or-later
2//
3// SPDX-FileCopyrightText: 2010 Dennis Nienhüser <nienhueser@kde.org>
4//
5
6#include "KmlIconStyleTagWriter.h"
7
8#include "GeoDataIconStyle.h"
9#include "GeoDataTypes.h"
10#include "GeoWriter.h"
11#include "KmlElementDictionary.h"
12
13namespace Marble
14{
15
16static GeoTagWriterRegistrar s_writerIconStyle(GeoTagWriter::QualifiedName(QString::fromLatin1(GeoDataTypes::GeoDataIconStyleType),
17 QString::fromLatin1(kml::kmlTag_nameSpaceOgc22)),
18 new KmlIconStyleTagWriter);
19
20KmlIconStyleTagWriter::KmlIconStyleTagWriter()
21 : KmlColorStyleTagWriter(QString::fromLatin1(kml::kmlTag_IconStyle))
22{
23 // nothing to do
24}
25
26bool KmlIconStyleTagWriter::writeMid(const GeoNode *node, GeoWriter &writer) const
27{
28 const auto style = static_cast<const GeoDataIconStyle *>(node);
29
30 if (style->scale() != 1.0) {
31 writer.writeElement(QString::fromLatin1(kml::kmlTag_scale), QString::number(style->scale(), 'f'));
32 }
33
34 if (!style->size().isEmpty()) {
35 writer.writeNamespace(QString::fromUtf8(kml::kmlTag_nameSpaceMx), QStringLiteral("mx"));
36 writer.writeStartElement(QString::fromUtf8(kml::kmlTag_nameSpaceMx), QString::fromUtf8(kml::kmlTag_size));
37 writer.writeAttribute(QString::fromUtf8(kml::kmlTag_width), QString::number(style->size().width()));
38 writer.writeAttribute(QString::fromUtf8(kml::kmlTag_height), QString::number(style->size().height()));
39 writer.writeEndElement();
40 }
41
42 if (!style->iconPath().isEmpty()) {
43 writer.writeStartElement(QString::fromUtf8(kml::kmlTag_Icon));
44 writer.writeStartElement(QString::fromUtf8(kml::kmlTag_href));
45 writer.writeCharacters(style->iconPath());
46 writer.writeEndElement();
47 writer.writeEndElement();
48 }
49
50 GeoDataHotSpot::Units xunits, yunits;
51 QPointF const hotSpot = style->hotSpot(xunits, yunits);
52 bool const emptyHotSpot = hotSpot.x() == 0.5 && hotSpot.y() == 0.5 && xunits == GeoDataHotSpot::Fraction && yunits == GeoDataHotSpot::Fraction;
53 if (!emptyHotSpot) {
54 writer.writeStartElement(QString::fromUtf8(kml::kmlTag_hotSpot));
55 if (hotSpot.x() != 0.5 || xunits != GeoDataHotSpot::Fraction) {
56 writer.writeAttribute("x", QString::number(hotSpot.x(), 'f'));
57 }
58 if (hotSpot.y() != 0.5 || yunits != GeoDataHotSpot::Fraction) {
59 writer.writeAttribute("y", QString::number(hotSpot.y(), 'f'));
60 }
61
62 if (xunits != GeoDataHotSpot::Fraction) {
63 writer.writeAttribute("xunits", unitString(xunits));
64 }
65 if (yunits != GeoDataHotSpot::Fraction) {
66 writer.writeAttribute("yunits", unitString(yunits));
67 }
68 writer.writeEndElement();
69 }
70
71 return true;
72}
73
74bool KmlIconStyleTagWriter::isEmpty(const GeoNode *node) const
75{
76 const auto style = static_cast<const GeoDataIconStyle *>(node);
77 GeoDataHotSpot::Units xunits, yunits;
78 QPointF const hotSpot = style->hotSpot(xunits, yunits);
79 return style->iconPath().isEmpty() && hotSpot.x() == 0.5 && hotSpot.y() == 0.5 && xunits == GeoDataHotSpot::Fraction && yunits == GeoDataHotSpot::Fraction;
80}
81
82QString KmlIconStyleTagWriter::unitString(GeoDataHotSpot::Units unit)
83{
84 switch (unit) {
85 case GeoDataHotSpot::Pixels:
86 return QStringLiteral("pixels");
87 case GeoDataHotSpot::InsetPixels:
88 return QStringLiteral("insetPixels");
89 case GeoDataHotSpot::Fraction:
90 return QStringLiteral("fraction");
91 }
92
93 return QStringLiteral("fraction");
94}
95
96}
QPair< QString, QString > QualifiedName
Object Name and Namespace Pair This type is intended to be used in a similar way to.
Binds a QML item to a specific geodetic location in screen coordinates.
qreal x() const const
qreal y() const const
QString fromLatin1(QByteArrayView str)
QString fromUtf8(QByteArrayView str)
QString number(double n, char format, int precision)
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