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ShadedRelief.cpp
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1 /* Copyright (C) 2011-2011 National Institute For Space Research (INPE) - Brazil.
2 
3  This file is part of the TerraLib - a Framework for building GIS enabled applications.
4 
5  TerraLib is free software: you can redistribute it and/or modify
6  it under the terms of the GNU Lesser General Public License as published by
7  the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  TerraLib is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU Lesser General Public License for more details.
14 
15  You should have received a copy of the GNU Lesser General Public License
16  along with TerraLib. See COPYING. If not, write to
17  TerraLib Team at <terralib-team@terralib.org>.
18  */
19 
20 /*!
21  \file terralib/serialization/se/ShadedRelief.cpp
22 
23  \brief Support for ShadedRelief serialization.
24 */
25 
26 // TerraLib
27 #include "../../se/ShadedRelief.h"
28 #include "../../xml/Reader.h"
29 #include "../../xml/Writer.h"
30 #include "ShadedRelief.h"
31 
32 // STL
33 #include <cassert>
34 #include <memory>
35 
37 {
38  assert(reader.getNodeType() == te::xml::START_ELEMENT);
39  assert(reader.getElementLocalName() == "ShadedRelief");
40 
41  reader.next();
42 
43  std::auto_ptr<te::se::ShadedRelief> sr(new te::se::ShadedRelief);
44 
45  if(reader.getElementLocalName() == "BrightnessOnly")
46  {
47  reader.next();
48  assert(reader.getNodeType() == te::xml::VALUE);
49  sr->setBrightnessOnly(reader.getElementValueAsBoolean());
50  reader.next();
51  }
52 
53  if(reader.getElementLocalName() == "ReliefFactor")
54  {
55  reader.next();
56  assert(reader.getNodeType() == te::xml::VALUE);
57  sr->setReliefFactor(reader.getElementValueAsDouble());
58  reader.next();
59  }
60 
61  assert(reader.getNodeType() == te::xml::END_ELEMENT);
62  reader.next();
63 
64  return sr.release();
65 }
66 
68 {
69  if(sr == 0)
70  return;
71 
72  writer.writeStartElement("se:ShadedRelief");
73 
74  std::string brightnessOnlyValue;
75  sr->isBrightnessOnly() ? brightnessOnlyValue = "true" : brightnessOnlyValue = "false";
76 
77  writer.writeElement("se:BrightnessOnly", brightnessOnlyValue);
78  writer.writeElement("se:ReliefFactor", sr->getReliefFactor());
79 
80  writer.writeEndElement("se:ShadedRelief");
81 }
virtual bool getElementValueAsBoolean() const
It returns the element data value in the case of VALUE node.
Definition: Reader.cpp:42
double getReliefFactor() const
This class models a XML reader object.
Definition: Reader.h:55
virtual bool next()=0
It gets the next event to be read.
ShadedRelief specifies the application of relief shading (or &quot;hill shading&quot;) to a DEM raster to give ...
virtual double getElementValueAsDouble() const
It returns the element data value in the case of VALUE node.
Definition: Reader.cpp:37
virtual void writeStartElement(const std::string &qName)
Definition: Writer.cpp:44
virtual void writeEndElement(const std::string &qName)
Definition: Writer.cpp:156
TESERIALIZATIONEXPORT void Save(const te::fe::Filter *filter, te::xml::Writer &writer)
Definition: Filter.cpp:54
TESERIALIZATIONEXPORT te::se::ShadedRelief * ReadShadedRelief(te::xml::Reader &reader)
ShadedRelief specifies the application of relief shading (or &quot;hill shading&quot;) to a DEM raster to give ...
Definition: ShadedRelief.h:58
virtual void writeElement(const std::string &qName, const std::string &value)
Definition: Writer.cpp:54
bool isBrightnessOnly() const
virtual NodeType getNodeType() const =0
It return the type of node read.
virtual std::string getElementLocalName() const =0
It returns the local part of the element name in the case of an element node.
This class models a XML writer object.
Definition: Writer.h:52