Files
multirom_m86/framebuffer.h
2013-07-27 17:42:34 +02:00

155 lines
3.4 KiB
C

/*
* This file is part of MultiROM.
*
* MultiROM is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MultiROM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MultiROM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef H_FRAMEBUFFER
#define H_FRAMEBUFFER
#include <linux/fb.h>
#include <stdarg.h>
struct FB {
uint32_t *bits;
uint32_t *mapped;
uint32_t size;
int fd;
struct fb_fix_screeninfo fi;
struct fb_var_screeninfo vi;
};
extern struct FB *fb;
#define ISO_CHAR_HEIGHT 16
#define ISO_CHAR_WIDTH 8
// Colors, 0xAABBGGRR
#define BLACK 0xFF000000
#define WHITE 0xFFFFFFFF
#define LBLUE 0xFFCC9900
#define LBLUE2 0xFFF4DFA8
#define GRAYISH 0xFFBEBEBE
#define GRAY 0xFF7F7F7F
#define DRED 0xFF0000CC
enum
{
SIZE_SMALL = 1,
SIZE_NORMAL = 2,
SIZE_BIG = 3,
SIZE_EXTRA = 4,
};
extern uint32_t fb_width;
extern uint32_t fb_height;
extern int fb_rotation;
int fb_open(int rotation);
void fb_close(void);
void fb_update(void);
void fb_switch(int n_sig);
inline struct FB *get_active_fb();
void fb_set_active_framebuffer(unsigned n);
enum
{
FB_TEXT = 0,
FB_RECT = 1,
FB_BOX = 2,
};
typedef struct
{
int id;
int type;
int x;
int y;
} fb_item_header;
typedef struct
{
fb_item_header head;
uint32_t color;
int8_t size;
char *text;
} fb_text;
typedef struct
{
fb_item_header head;
int w;
int h;
uint32_t color;
} fb_rect;
typedef struct
{
fb_item_header head;
int w, h;
fb_text **texts;
fb_rect *background[3];
} fb_msgbox;
typedef struct
{
fb_text **texts;
fb_rect **rects;
fb_msgbox *msgbox;
} fb_items_t;
void fb_remove_item(void *item);
int fb_generate_item_id();
fb_text *fb_add_text(int x, int y, uint32_t color, int size, const char *fmt, ...);
fb_text *fb_add_text_long(int x, int y, uint32_t color, int size, char *text);
fb_rect *fb_add_rect(int x, int y, int w, int h, uint32_t color);
fb_msgbox *fb_create_msgbox(int w, int h, int bgcolor);
fb_text *fb_msgbox_add_text(int x, int y, int size, char *txt, ...);
void fb_msgbox_rm_text(fb_text *text);
void fb_destroy_msgbox(void);
void fb_rm_text(fb_text *t);
void fb_rm_rect(fb_rect *r);
void fb_draw_text(fb_text *t);
void fb_draw_char(int x, int y, char c, uint32_t color, int size);
void fb_draw_square(int x, int y, uint32_t color, int size);
void fb_draw_overlay(void);
void fb_draw_rect(fb_rect *r);
void fb_fill(uint32_t color);
void fb_draw(void);
void fb_request_draw(void);
void fb_clear(void);
void fb_freeze(int freeze);
int fb_clone(char **buff);
void fb_push_context(void);
void fb_pop_context(void);
inline int center_x(int x, int width, int size, const char *text);
inline int center_y(int y, int height, int size);
#if 0
#define fb_debug(fmt, ...) fb_printf(fmt, ##__VA_ARGS__)
#else
#define fb_debug(fmt, ...) ERROR(fmt, ##__VA_ARGS__)
#define fb_printf(fmt, ...) ERROR(fmt, ##__VA_ARGS__)
#endif
int vt_set_mode(int graphics);
#endif