#include <Vga.h>

Inheritance diagram for MaltaVga:

Collaboration diagram for MaltaVga:

Public Member Functions
virtual bool	setMode (size_t nCols, size_t nRows, bool bIsText, size_t nBpp=0)

virtual bool	setLargestTextMode ()

virtual bool	isMode (size_t nCols, size_t nRows, bool bIsText, size_t nBpp=0)

virtual bool	isLargestTextMode ()

virtual size_t	getNumCols ()

virtual size_t	getNumRows ()

virtual void	rememberMode ()

virtual void	restoreMode ()

virtual void	pokeBuffer (uint8_t *pBuffer, size_t nBufLen)

virtual void	peekBuffer (uint8_t *pBuffer, size_t nBufLen)

virtual void	moveCursor (size_t nX, size_t nY)

	operator uint16_t * () const

Public Member Functions inherited from Vga
virtual void	setControl (VgaControl which)=0

virtual void	clearControl (VgaControl which)=0

virtual bool	setMode (int mode)=0

Additional Inherited Members
Public Types inherited from Vga
enum	VgaControl { LineGraphics = 2, Blink = 3 }

Detailed Description

Vga device abstraction.

Definition at line 29 of file kernel/machine/malta/Vga.h.

Member Function Documentation

virtual size_t MaltaVga::getNumCols ( )

inlinevirtual

Returns: The number of columns in the current mode.

Implements Vga.

Definition at line 80 of file kernel/machine/malta/Vga.h.

virtual size_t MaltaVga::getNumRows ( )

inlinevirtual

Returns: The number of rows in the current mode.

Implements Vga.

Definition at line 88 of file kernel/machine/malta/Vga.h.

virtual bool MaltaVga::isLargestTextMode ( )

inlinevirtual

Tests if the current video mode is the largest text mode.

Returns: True if the current video mode is equal to the largest text mode.

Implements Vga.

Definition at line 72 of file kernel/machine/malta/Vga.h.

virtual bool MaltaVga::isMode	(	size_t	nCols,
		size_t	nRows,
		bool	bIsText,
		size_t	nBpp = `0`
	)

inlinevirtual

Tests the current video mode.

Returns: True if the current mode matches the given arguments.

Implements Vga.

Definition at line 63 of file kernel/machine/malta/Vga.h.

virtual void MaltaVga::moveCursor	(	size_t	nX,
		size_t	nY
	)

inlinevirtual

Moves the cursor to the position specified by the parameters.

Parameters

nX	The column to move to.
nY	The row to move to.

Implements Vga.

Definition at line 138 of file kernel/machine/malta/Vga.h.

virtual void MaltaVga::peekBuffer	(	uint8_t *	pBuffer,
		size_t	nBufLen
	)

inlinevirtual

Copies the current framebuffer into the given buffer.

The buffer is assumed to be in the correct format for directly copying from video memory. This will obviously depend on the current mode (text/graphical) as well as resolution and bits per pixel (graphics mode only).

Parameters

A	pointer to the buffer.
The	length of pBuffer.

Implements Vga.

Definition at line 129 of file kernel/machine/malta/Vga.h.

virtual void MaltaVga::pokeBuffer	(	uint8_t *	pBuffer,
		size_t	nBufLen
	)

inlinevirtual

Copies the given buffer into video memory, replacing the current framebuffer.

The buffer is assumed to be in the correct format for directly copying into video memory. This will obviously depend on the current mode (text/graphical) as well as resolution and bits per pixel (graphics mode only).

Parameters

A	pointer to the buffer to swap into video memory.
The	length of pBuffer.

Implements Vga.

Definition at line 117 of file kernel/machine/malta/Vga.h.

virtual void MaltaVga::rememberMode ( )

inlinevirtual

Stores the current video mode.

Implements Vga.

Definition at line 96 of file kernel/machine/malta/Vga.h.

virtual void MaltaVga::restoreMode ( )

inlinevirtual

Restores the saved video mode from a rememberMode() call.

Implements Vga.

Definition at line 103 of file kernel/machine/malta/Vga.h.

virtual bool MaltaVga::setLargestTextMode ( )

inlinevirtual

Sets the largest possible text mode.

Returns: True on success, false on failure.

Implements Vga.

Definition at line 53 of file kernel/machine/malta/Vga.h.

virtual bool MaltaVga::setMode	(	size_t	nCols,
		size_t	nRows,
		bool	bIsText,
		size_t	nBpp = `0`
	)

inlinevirtual

Changes the mode the VGA device is in.

Parameters

nCols	The number of columns required.
nRows	The number of rows required.
bIsText	True if the caller requires a text mode, false if graphical.
nBpp	Only applicable for graphics modes - the number of bits per pixel.

Returns: True on success, false on failure.

Definition at line 44 of file kernel/machine/malta/Vga.h.

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

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation