Dillo: dw::core::ImgRenderer Class Reference

Dillo

#include <imgrenderer.hh>

Public Member Functions
virtual	~ImgRenderer ()

virtual void	setBuffer (core::Imgbuf *buffer, bool resize=false)=0
	Called, when an image buffer is attached. More...

virtual void	drawRow (int row)=0
	Called, when data from a row is available and has been copied into the image buffer. More...

virtual void	finish ()=0
	Called, when all image data has been retrieved. More...

virtual void	fatal ()=0
	Called, when there are problems with the retrieval of image data. More...

Detailed Description

...

See also: Images and Backgrounds in Dw

Constructor & Destructor Documentation

virtual dw::core::ImgRenderer::~ImgRenderer ( )

inlinevirtual

Member Function Documentation

virtual void dw::core::ImgRenderer::drawRow ( int row )

pure virtual

Called, when data from a row is available and has been copied into the image buffer.

The implementation will typically queue the respective area for drawing.

Implemented in dw::core::style::StyleImage::ExternalImgRenderer, dw::core::style::StyleImage::StyleImgRenderer, dw::Image, and dw::core::ImgRendererDist.

Referenced by imageDrawTimeout().

virtual void dw::core::ImgRenderer::fatal ( )

pure virtual

Called, when there are problems with the retrieval of image data.

The implementation may use this to indicate an error.

Implemented in dw::core::style::StyleImage::ExternalImgRenderer, dw::core::style::StyleImage::StyleImgRenderer, dw::Image, and dw::core::ImgRendererDist.

virtual void dw::core::ImgRenderer::finish ( )

pure virtual

Called, when all image data has been retrieved.

The implementation may use this instead of "drawRow" for drawing, to limit the number of draws.

Implemented in dw::core::style::StyleImage::ExternalImgRenderer, dw::core::style::StyleImage::StyleImgRenderer, dw::Image, and dw::core::ImgRendererDist.

virtual void dw::core::ImgRenderer::setBuffer	(	core::Imgbuf *	buffer,
		bool	resize = `false`
	)

pure virtual

Called, when an image buffer is attached.

This is typically the case when all meta data (size, depth) has been read.

Implemented in dw::core::style::StyleImage::ExternalImgRenderer, dw::core::style::StyleImage::StyleImgRenderer, dw::Image, and dw::core::ImgRendererDist.

Referenced by imageInitTimeout().

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

dw/imgrenderer.hh