fb.c File Reference

Include dependency graph for fb.c:

Go to the source code of this file.

Data Structures
struct	viewport_t
struct	animation_t
struct	pixmap_t
Defines
#define	DEFAULT_BGCOLOR   0xf0f0f0
#define	DEFAULT_FGCOLOR   0x0
#define	MAX_ANIM_LEN   8
#define	MAX_ANIMATIONS   4
#define	MAX_PIXMAPS   256
#define	MAX_VIEWPORTS   128
#define	RED(x, bits)   ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
#define	GREEN(x, bits)   ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
#define	BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
#define	COL_WIDTH   8
#define	ROW_BYTES   (screen.scanline * FONT_SCANLINES)
#define	POINTPOS(x, y)   ((y) * screen.scanline + (x) * screen.pixelbytes)
Typedefs
typedef void(*	conv2scr_fn_t )(void *, int)
typedef int(*	conv2rgb_fn_t )(void *)
Functions
static void	rgb_4byte (void *dst, int rgb)
static int	byte4_rgb (void *src)
static void	rgb_3byte (void *dst, int rgb)
static int	byte3_rgb (void *src)
static void	rgb_2byte (void *dst, int rgb)
static int	byte2_rgb (void *src)
static void	rgb_1byte (void *dst, int rgb)
static int	byte1_rgb (void *src)
static void	putpixel (viewport_t *vport, unsigned int x, unsigned int y, int color)
static int	getpixel (viewport_t *vport, unsigned int x, unsigned int y)
static void	putpixel_mem (char *mem, unsigned int x, unsigned int y, int color)
static void	draw_rectangle (viewport_t *vport, unsigned int sx, unsigned int sy, unsigned int width, unsigned int height, int color)
static void	clear_port (viewport_t *vport)
static void	scroll_port_nodb (viewport_t *vport, int lines)
static void	refresh_viewport_db (viewport_t *vport)
static void	scroll_port_db (viewport_t *vport, int lines)
static void	scroll_port (viewport_t *vport, int lines)
static void	invert_pixel (viewport_t *vport, unsigned int x, unsigned int y)
static void	draw_glyph (viewport_t *vport, __u8 glyph, unsigned int sx, unsigned int sy, style_t style, int transparent)
static void	invert_char (viewport_t *vport, unsigned int row, unsigned int col)
static int	viewport_create (unsigned int x, unsigned int y, unsigned int width, unsigned int height)
static void	screen_init (void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)
static void	cursor_hide (viewport_t *vport)
static void	cursor_print (viewport_t *vport)
static void	cursor_blink (viewport_t *vport)
static void	draw_char (viewport_t *vport, char c, unsigned int row, unsigned int col, style_t style, int transparent)
static void	draw_text_data (viewport_t *vport, keyfield_t *data)
static int	find_free_pixmap (void)
static void	putpixel_pixmap (int pm, unsigned int x, unsigned int y, int color)
static int	shm2pixmap (unsigned char *shm, size_t size)
static int	shm_handle (ipc_callid_t callid, ipc_call_t *call, int vp)
static void	copy_vp_to_pixmap (viewport_t *vport, pixmap_t *pmap)
static int	save_vp_to_pixmap (viewport_t *vport)
static int	draw_pixmap (int vp, int pm)
static void	anims_tick (void)
static void	mouse_show (void)
static void	mouse_hide (void)
static void	mouse_move (unsigned int x, unsigned int y)
static int	anim_handle (ipc_callid_t callid, ipc_call_t *call, int vp)
static int	pixmap_handle (ipc_callid_t callid, ipc_call_t *call, int vp)
static void	fb_client_connection (ipc_callid_t iid, ipc_call_t *icall)
int	fb_init (void)
Variables
struct {
int   phone
ipcarg_t   rows
ipcarg_t   cols
__u8 *   fbaddress
unsigned int   xres
unsigned int   yres
unsigned int   scanline
unsigned int   pixelbytes
conv2scr_fn_t   rgb2scr
conv2rgb_fn_t   scr2rgb
volatile sysarg_t   seconds1
volatile sysarg_t   useconds
volatile sysarg_t   seconds2
}	screen
static animation_t	animations [MAX_ANIMATIONS]
static int	anims_enabled
static pixmap_t	pixmaps [MAX_PIXMAPS]
static viewport_t	viewports [128]
static int	client_connected = 0
static int	pointer_x
static int	pointer_y
static int	pointer_shown
static int	pointer_enabled
static int	pointer_vport = -1
static int	pointer_pixmap = -1

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Detailed Description

Definition in file fb.c.

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Variable Documentation

__u8* fbaddress

Definition at line 73 of file fb.c.

unsigned int xres

Definition at line 75 of file fb.c.

unsigned int yres

Definition at line 76 of file fb.c.

unsigned int scanline

Definition at line 77 of file fb.c.

unsigned int pixelbytes

Definition at line 78 of file fb.c.

conv2scr_fn_t rgb2scr

Definition at line 80 of file fb.c.

conv2rgb_fn_t scr2rgb

Definition at line 81 of file fb.c.

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