grrlib.h File Reference

GRRLIB user include file. More...

#include <gccore.h>
#include "grrlib/GRRLIB__lib.h"
#include "grrlib/GRRLIB__inline.h"

Data Structures
struct	GRRLIB_drawSettings
	Structure to hold the current drawing settings. More...
struct	GRRLIB_texImg
	Structure to hold the texture information. More...
struct	GRRLIB_bytemapChar
	Structure to hold the bytemap character information. More...
struct	GRRLIB_bytemapFont
	Structure to hold the bytemap font information. More...
struct	tagBITMAPFILEHEADER
	This structure contains information about the type, size, and layout of a file that containing a device-independent bitmap (DIB). More...
struct	tagBITMAPINFOHEADER
	This structure contains information about the dimensions and color format of a device-independent bitmap (DIB). More...
struct	tagRGBQUAD
	The RGBQUAD structure describes a color consisting of relative intensities of red, green, and blue. More...
Defines
#define	R(c)   (((c) >>24) &0xFF)
	Exract Red component of colour.
#define	G(c)   (((c) >>16) &0xFF)
	Exract Green component of colour.
#define	B(c)   (((c) >> 8) &0xFF)
	Exract Blue component of colour.
#define	A(c)   ( (c) &0xFF)
	Exract Alpha component of colour.
#define	RGBA(r, g, b, a)
	Build an RGB pixel from components.
#define	GRRLIB_BLEND_NONE   (GRRLIB_BLEND_ALPHA)
	Alias for GRRLIB_BLEND_ALPHA.
#define	GRRLIB_BLEND_LIGHT   (GRRLIB_BLEND_ADD)
	Alias for GRRLIB_BLEND_ADD.
#define	GRRLIB_BLEND_SHADE   (GRRLIB_BLEND_MULTI)
	Alias for GRRLIB_BLEND_MULTI.
#define	GRR_EXTERN   extern
#define	GRR_INIT(v)
#define	GRR_INITS(...)
#define	INLINE   inline
Typedefs
typedef unsigned int	uint
typedef enum Composition_Modes	GRRLIB_ComposeMode
	Compositions Modes.
typedef struct tagBITMAPFILEHEADER	BITMAPFILEHEADER
	This structure contains information about the type, size, and layout of a file that containing a device-independent bitmap (DIB).
typedef struct tagBITMAPINFOHEADER	BITMAPINFOHEADER
	This structure contains information about the dimensions and color format of a device-independent bitmap (DIB).
typedef struct tagRGBQUAD	RGBQUAD
	The RGBQUAD structure describes a color consisting of relative intensities of red, green, and blue.
Enumerations
enum	Composition_Modes { GRRLIB_COMPOSE_NORMAL }
	Compositions Modes. More...
enum	GRRLIB_blendMode {   GRRLIB_BLEND_ALPHA = 0, GRRLIB_BLEND_ADD = 1, GRRLIB_BLEND_SCREEN = 2, GRRLIB_BLEND_MULTI = 3,   GRRLIB_BLEND_INV = 4 }
	GRRLIB Blending Modes. More...
Functions
GRR_EXTERN void *xfb[2]	GRR_INITS (NULL, NULL)
GRR_EXTERN u32 fb	GRR_INIT (0)
Variables
GRR_EXTERN GXRModeObj *	rmode

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Detailed Description

GRRLIB user include file.

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Define Documentation

#define A

(

c

)

( (c) &0xFF)

Exract Alpha component of colour.

#define B

(

c

)

(((c) >> 8) &0xFF)

Exract Blue component of colour.

#define G

(

c

)

(((c) >>16) &0xFF)

Exract Green component of colour.

#define GRRLIB_BLEND_LIGHT   (GRRLIB_BLEND_ADD)

Alias for GRRLIB_BLEND_ADD.

#define GRRLIB_BLEND_NONE   (GRRLIB_BLEND_ALPHA)

Alias for GRRLIB_BLEND_ALPHA.

#define GRRLIB_BLEND_SHADE   (GRRLIB_BLEND_MULTI)

Alias for GRRLIB_BLEND_MULTI.

#define R

(

c

)

(((c) >>24) &0xFF)

Exract Red component of colour.

#define RGBA	(	r,
		g,
		b,
		a		)

Value:

( (u32)( ( ((u32)(r))        <<24) |  \
                               ((((u32)(g)) &0xFF) <<16) |  \
                               ((((u32)(b)) &0xFF) << 8) |  \
                               ( ((u32)(a)) &0xFF      ) ) )

Build an RGB pixel from components.

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Typedef Documentation

typedef struct tagRGBQUAD RGBQUAD

The RGBQUAD structure describes a color consisting of relative intensities of red, green, and blue.

The bmiColors member of the BITMAPINFO structure consists of an array of RGBQUAD structures.

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Enumeration Type Documentation

enum Composition_Modes

Compositions Modes.

Enumerator:

GRRLIB_COMPOSE_NORMAL

NORMAL : a-over-b alpha composition (normal).

enum GRRLIB_blendMode

GRRLIB Blending Modes.

Enumerator:

GRRLIB_BLEND_ALPHA	Alpha Blending.
GRRLIB_BLEND_ADD	Additive Blending.
GRRLIB_BLEND_SCREEN	Alpha Light Blending.
GRRLIB_BLEND_MULTI	Multiply Blending.
GRRLIB_BLEND_INV	Invert Color Blending.