khtmlImLoad::ImagePlane Class Reference

#include <imageplane.h>

Inheritance diagram for khtmlImLoad::ImagePlane:

Public Member Functions
	ImagePlane (unsigned int _width, unsigned int _height)
virtual void	ensureUpToDate (unsigned int tileX, unsigned int tileY, PixmapTile *tile)=0
virtual void	flushCache ()=0
virtual bool	isUpToDate (unsigned int tileX, unsigned int tileY, PixmapTile *tile)=0
Public Member Functions inherited from khtmlImLoad::Plane
	Plane (unsigned int _width, unsigned int _height)
unsigned int	tileHeight (unsigned int tileY)
unsigned int	tileWidth (unsigned int tileX)

Public Attributes
ImageFormat	format
Public Attributes inherited from khtmlImLoad::Plane
unsigned int	height
unsigned int	tilesHeight
unsigned int	tilesWidth
unsigned int	width

Protected Member Functions
bool	checkUpToDate (const unsigned char *versions, PixmapTile *tile)
void	setupTile (unsigned int tileX, unsigned int tileY, PixmapTile *tile)
void	updatePixmap (PixmapTile *tile, const QImage &image, unsigned int tileX, unsigned int tileY, unsigned int offX, unsigned int offY, unsigned char *versions)

Detailed Description

Image planes represent client-side image data, and are primarily an abstraction for pushing data to the server, as needed.

Definition at line 38 of file imageplane.h.

Member Function Documentation

bool khtmlImLoad::ImagePlane::checkUpToDate ( const unsigned char *  versions, PixmapTile *  tile  )

protected

Checks whether the tile is up-to-date for a given version array.

Definition at line 33 of file imageplane.cpp.

virtual void khtmlImLoad::ImagePlane::ensureUpToDate ( unsigned int  tileX, unsigned int  tileY, PixmapTile *  tile  )

pure virtual

Ensures that the given pixmap tile is up-to-date.

Implemented in khtmlImLoad::RawImagePlane, and khtmlImLoad::ScaledImagePlane.

virtual bool khtmlImLoad::ImagePlane::isUpToDate ( unsigned int  tileX, unsigned int  tileY, PixmapTile *  tile  )

pure virtual

Returns true if the given pixmap tile is up-to-date.

Note that this should compare the information in the pixmap with ideal the up-to-date image using the decoding information thus far, and not with the state of the image proper. (Which might not even be in memory)

Implemented in khtmlImLoad::RawImagePlane, and khtmlImLoad::ScaledImagePlane.

void khtmlImLoad::ImagePlane::setupTile ( unsigned int  tileX, unsigned int  tileY, PixmapTile *  tile  )

protected

Creates the pixmap in the tile.

Definition at line 46 of file imageplane.cpp.

void khtmlImLoad::ImagePlane::updatePixmap ( PixmapTile *  tile, const QImage &  image, unsigned int  tileX, unsigned int  tileY, unsigned int  offX, unsigned int  offY, unsigned char *  versions  )

protected

Update the pixmap using the appropriate image, starting from offset (offX, offY), and the matching version array.

Definition at line 52 of file imageplane.cpp.

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

• imageplane.h
• imageplane.cpp