Graphics Library

Functions
void	graphics_Initialize (void)
	Initialize the graphics library. More...
void	graphics_SwapBuffer (void)
	Copy the backbuffer contents to the display buffer. More...
void	graphics_Clear (void)
	Clear the backbuffer. More...
void	graphics_SetPixel (uint32_t x, uint32_t y, uint32_t val)
	Set the value of a pixel. More...
void	graphics_WriteUInt32 (uint32_t val, int base, int xOff, int yOff)
	Write a uint32_t to the screen. More...
void	graphics_WriteUInt64 (uint64_t val, int base, int xOff, int yOff)
	Write a uint64_t to the screen. More...
void	graphics_WriteStr (const char *str, int xOff, int yOff)
	Write a string to the screen. More...
void	graphics_WriteFloat (float val, uint32_t decimalCount, int xOff, int yOff)
	Write a float to the screen. More...
void	graphics_DrawBuffer (void *buffer, uint32_t x, uint32_t y, uint32_t width, uint32_t height)
	Draw a buffer to the screen. More...

Variables
unsigned char	letters [95][13]
	A bitmap font. More...

Detailed Description

Function Documentation

void graphics_Clear

(

void

)

Clear the backbuffer.

void graphics_DrawBuffer	(	void *	buffer,
		uint32_t	x,
		uint32_t	y,
		uint32_t	width,
		uint32_t	height
	)

Draw a buffer to the screen.

Parameters

buffer	The RGBA source from which to draw
x	The X coordinate for the top left corner of the output
y	The Y coordinate for the top left corner of the output
width	The width of the image to show
height	The height of the image to show

void graphics_Initialize

(

void

)

Initialize the graphics library.

Note: Requires virtual memory management and FPU

void graphics_SetPixel	(	uint32_t	x,
		uint32_t	y,
		uint32_t	val
	)

Set the value of a pixel.

Parameters

x	The X pixel position
y	The Y pixel position
val	The BGRA pixel value

See also

graphics_DrawBuffer()

void graphics_SwapBuffer

(

void

)

Copy the backbuffer contents to the display buffer.

void graphics_WriteFloat	(	float	val,
		uint32_t	decimalCount,
		int	xOff,
		int	yOff
	)

Write a float to the screen.

Parameters

val	The value to write
decimalCount	The number of decimal places to include
xOff	The X coordinate for the top left corner of the output
yOff	The Y coordinate for the top left corner of the output

See also

graphics_writeFloat(), graphics_WriteUInt32(), graphics_WriteUInt64()

void graphics_WriteStr	(	const char *	str,
		int	xOff,
		int	yOff
	)

Write a string to the screen.

Parameters

str	The string to write
xOff	The X coordinate for the top left corner of the output
yOff	The Y coordinate for the top left corner of the output

See also

graphics_writeFloat(), graphics_WriteUInt32(), graphics_WriteUInt64()

void graphics_WriteUInt32	(	uint32_t	val,
		int	base,
		int	xOff,
		int	yOff
	)

Write a uint32_t to the screen.

Parameters

val	The value to write
base	The base in which the value should be printed
xOff	The X coordinate for the top left corner of the output
yOff	The Y coordinate for the top left corner of the output

See also

graphics_WriteUInt64(), graphics_WriteFloat(), graphics_WriteStr()

void graphics_WriteUInt64	(	uint64_t	val,
		int	base,
		int	xOff,
		int	yOff
	)

Write a uint64_t to the screen.

Parameters

val	The value to write
base	The base in which the value should be printed
xOff	The X coordinate for the top left corner of the output
yOff	The Y coordinate for the top left corner of the output

See also

graphics_WriteUInt32(), graphics_WriteFloat(), graphics_WriteStr()

Variable Documentation

unsigned char letters[95][13]

A bitmap font.