Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 4536 → Rev 4537

/branches/dd/uspace/srv/console/screenbuffer.h
37,9 → 37,10
 
#include <stdint.h>
#include <sys/types.h>
#include <bool.h>
 
#define DEFAULT_FOREGROUND 0x0 /**< default console foreground color */
#define DEFAULT_BACKGROUND 0xf0f0f0 /**< default console background color */
#define DEFAULT_FOREGROUND 0x0 /**< default console foreground color */
#define DEFAULT_BACKGROUND 0xf0f0f0 /**< default console background color */
 
typedef struct {
uint8_t style;
72,25 → 73,25
/** One field on screen. It contain one character and its attributes. */
typedef struct {
wchar_t character; /**< Character itself */
attrs_t attrs; /**< Character`s attributes */
attrs_t attrs; /**< Character attributes */
} keyfield_t;
 
/** Structure for buffering state of one virtual console.
*/
typedef struct {
keyfield_t *buffer; /**< Screen content - characters and
their attributes (used as a circular buffer) */
unsigned int size_x; /**< Number of columns */
unsigned int size_y; /**< Number of rows */
keyfield_t *buffer; /**< Screen content - characters and
their attributes (used as a circular buffer) */
size_t size_x; /**< Number of columns */
size_t size_y; /**< Number of rows */
/** Coordinates of last printed character for determining cursor position */
unsigned int position_x;
unsigned int position_y;
size_t position_x;
size_t position_y;
attrs_t attrs; /**< Current attributes. */
unsigned int top_line; /**< Points to buffer[][] line that will
be printed at screen as the first line */
unsigned char is_cursor_visible; /**< Cursor state - default is visible */
attrs_t attrs; /**< Current attributes. */
size_t top_line; /**< Points to buffer[][] line that will
be printed at screen as the first line */
bool is_cursor_visible; /**< Cursor state - default is visible */
} screenbuffer_t;
 
/** Returns keyfield for position on screen
105,7 → 106,7
* @return Keyfield structure with character and its attributes on x, y
*
*/
static inline keyfield_t *get_field_at(screenbuffer_t *scr, unsigned int x, unsigned int y)
static inline keyfield_t *get_field_at(screenbuffer_t *scr, size_t x, size_t y)
{
return scr->buffer + x + ((y + scr->top_line) % scr->size_y) * scr->size_x;
}
138,17 → 139,17
 
 
void screenbuffer_putchar(screenbuffer_t *scr, wchar_t c);
screenbuffer_t *screenbuffer_init(screenbuffer_t *scr, int size_x, int size_y);
screenbuffer_t *screenbuffer_init(screenbuffer_t *scr, size_t size_x, size_t size_y);
 
void screenbuffer_clear(screenbuffer_t *scr);
void screenbuffer_clear_line(screenbuffer_t *scr, unsigned int line);
void screenbuffer_clear_line(screenbuffer_t *scr, size_t line);
void screenbuffer_copy_buffer(screenbuffer_t *scr, keyfield_t *dest);
void screenbuffer_goto(screenbuffer_t *scr, unsigned int x, unsigned int y);
void screenbuffer_set_style(screenbuffer_t *scr, int style);
void screenbuffer_set_color(screenbuffer_t *scr, unsigned int fg_color,
unsigned int bg_color, unsigned int attr);
void screenbuffer_set_rgb_color(screenbuffer_t *scr, unsigned int fg_color,
unsigned int bg_color);
void screenbuffer_goto(screenbuffer_t *scr, size_t x, size_t y);
void screenbuffer_set_style(screenbuffer_t *scr, uint8_t style);
void screenbuffer_set_color(screenbuffer_t *scr, uint8_t fg_color,
uint8_t bg_color, uint8_t attr);
void screenbuffer_set_rgb_color(screenbuffer_t *scr, uint32_t fg_color,
uint32_t bg_color);
 
#endif