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Visitor.h
Go to the documentation of this file.
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/* Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
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This file is part of the TerraLib - a Framework for building GIS enabled applications.
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TerraLib is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License,
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or (at your option) any later version.
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TerraLib is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TerraLib. See COPYING. If not, write to
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TerraLib Team at <terralib-team@terralib.org>.
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*/
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/*!
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\file terralib/se/Visitor.h
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\brief A visitor interface for the SymbologyEncoding hierarchy.
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*/
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#ifndef __TERRALIB_SE_INTERNAL_VISITOR_H
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#define __TERRALIB_SE_INTERNAL_VISITOR_H
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// TerraLib
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#include "../se_fw.h"
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namespace
te
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{
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namespace
se
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{
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/*!
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\class Visitor
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\brief A visitor interface for the SymbologyEncoding hierarchy.
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*/
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class
Visitor
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{
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public
:
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/** @name Initializer Methods
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* Methods related to instantiation and destruction.
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*/
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//@{
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/*! \brief Default constructor. */
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Visitor
() {}
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/*! \brief Virtual destructor. */
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virtual
~Visitor
() {}
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//@}
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/** @name Select
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* All concrete visitors must implement these methods.
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*/
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//@{
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virtual
void
visit
(
const
Style
& visited) = 0;
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virtual
void
visit
(
const
FeatureTypeStyle
& visited) = 0;
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virtual
void
visit
(
const
CoverageStyle
& visited) = 0;
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virtual
void
visit
(
const
Symbolizer
& visited) = 0;
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virtual
void
visit
(
const
PolygonSymbolizer
& visited) = 0;
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virtual
void
visit
(
const
LineSymbolizer
& visited) = 0;
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virtual
void
visit
(
const
PointSymbolizer
& visited) = 0;
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virtual
void
visit
(
const
TextSymbolizer
& visited) = 0;
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virtual
void
visit
(
const
RasterSymbolizer
& visited) = 0;
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//@}
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};
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}
// end namespace se
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}
// end namespace te
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#endif // __TERRALIB_SE_INTERNAL_VISITOR_H
te::se::TextSymbolizer
A TextSymbolizer is used to render text labels according to various graphical parameters.
Definition:
TextSymbolizer.h:62
te::se::Style
The Style defines the styling that is to be applied to a geographic dataset (vector geometries or cov...
Definition:
Style.h:65
te::se::PolygonSymbolizer
A PolygonSymbolizer is used to draw a polygon (or other area-type geometries), including filling its ...
Definition:
PolygonSymbolizer.h:60
te::se::Symbolizer
A Symbolizer describes how a feature is to appear on a map.
Definition:
Symbolizer.h:80
te::se::CoverageStyle
The CoverageStyle defines the styling that is to be applied to a subset of Coverage data...
Definition:
CoverageStyle.h:45
te::se::Visitor::~Visitor
virtual ~Visitor()
Virtual destructor.
Definition:
Visitor.h:54
te::se::PointSymbolizer
A PointSymbolizer specifies the rendering of a graphic Symbolizer at a point.
Definition:
PointSymbolizer.h:52
te::se::Visitor
A visitor interface for the SymbologyEncoding hierarchy.
Definition:
Visitor.h:41
te::se::Visitor::Visitor
Visitor()
Default constructor.
Definition:
Visitor.h:51
te::se::Visitor::visit
virtual void visit(const Style &visited)=0
te::se::FeatureTypeStyle
The FeatureTypeStyle defines the styling that is to be applied to a dataset that can be viewed as a f...
Definition:
FeatureTypeStyle.h:45
te::se::RasterSymbolizer
The RasterSymbolizer describes how to render raster/matrix-coverage data (e.g., satellite photos...
Definition:
RasterSymbolizer.h:61
te::se::LineSymbolizer
A LineSymbolizer is used to style a stroke along a linear geometry type, such as a string of line seg...
Definition:
LineSymbolizer.h:51
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Visitor.h
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