Screen Class Reference

Represents the abstract notion of a character-addressable writable screen. More...

#include <screen.h>

Inheritance diagram for Screen:

Public Member Functions
	Screen (int width, int height)
int	width () const
int	height () const
virtual void	charAtPut (int col, int row, char value)=0
virtual void	clear ()=0

Protected Member Functions
void	checkCoordinates (int col, int row) const

Protected Attributes
int	width_
int	height_

Detailed Description

Represents the abstract notion of a character-addressable writable screen.

Definition at line 4 of file screen.h.

Constructor & Destructor Documentation

Screen()

Screen::Screen ( int  width, int  height  )

explicit

Parameters

width	width in columns
height	height in rows

Definition at line 5 of file screen.cpp.

Member Function Documentation

charAtPut()

virtual void Screen::charAtPut ( int  col, int  row, char  value  )

pure virtual

Abstract function that subclasses should override. May not cause the screen to update immediately.

Parameters

col	0-based column (x) index
row	0-based row (y) index
value	the character to write

Implemented in StringScreen.

checkCoordinates()

void Screen::checkCoordinates ( int  col, int  row  ) const

protected

Definition at line 10 of file screen.cpp.

clear()

virtual void Screen::clear ( )

pure virtual

Abstract function that subclasses should override. May not cause the screen to update immediately.

Implemented in StringScreen.

height()

int Screen::height

(

)

const

Returns

the height in rows

Definition at line 19 of file screen.cpp.

width()

int Screen::width

(

)

const

Returns

the width in columns

Definition at line 17 of file screen.cpp.

Member Data Documentation

height_

int Screen::height_

protected

Definition at line 27 of file screen.h.

width_

int Screen::width_

protected

Definition at line 26 of file screen.h.

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

• screen.h
• screen.cpp