te::qt::widgets::ExternalGraphicRenderer Class Reference

A concrete renderer based on Qt4 for conversion of Symbology Enconding External Graphic elements to an image pattern. More...

#include <ExternalGraphicRenderer.h>

Inheritance diagram for te::qt::widgets::ExternalGraphicRenderer:

Public Member Functions
	ExternalGraphicRenderer ()
	Constructor.
te::color::RGBAColor **	render (const te::se::ExternalGraphic *eg, std::size_t height, double rotation, std::size_t &width) override
	It generates the image pattern from the given Symbology Enconding External Graphic element.
	~ExternalGraphicRenderer ()
	Destructor.

Detailed Description

A concrete renderer based on Qt4 for conversion of Symbology Enconding External Graphic elements to an image pattern.

See also

AbstractExternalGraphicRenderer

Definition at line 46 of file ExternalGraphicRenderer.h.

Constructor & Destructor Documentation

ExternalGraphicRenderer()

te::qt::widgets::ExternalGraphicRenderer::ExternalGraphicRenderer

(

)

Constructor.

~ExternalGraphicRenderer()

te::qt::widgets::ExternalGraphicRenderer::~ExternalGraphicRenderer

(

)

Destructor.

Member Function Documentation

render()

te::color::RGBAColor ** te::qt::widgets::ExternalGraphicRenderer::render ( const te::se::ExternalGraphic *  eg, std::size_t  height, double  rotation, std::size_t &  width  )

overridevirtual

It generates the image pattern from the given Symbology Enconding External Graphic element.

Parameters

eg	The Symbology Enconding External Graphic element that will be used to build the image pattern.
height	The height of image pattern that will be generated.
rotation	The rotation of the image pattern that will be generated.
width	An output parameter that will be filled with the width of generated image pattern.

Returns

The RGBA image that represents the external graphic.

Note

If the given Symbology Enconding External Graphic element cannot be processed by the renderer the method should return a NULL pointer.

The caller will take the ownership of the returned pointer.

Implements te::map::AbstractExternalGraphicRenderer.

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The documentation for this class was generated from the following file:

• /home/castejon/castejon_files/develop/terralib5/git_release/src/terralib/qt/widgets/se/ExternalGraphicRenderer.h