fbpad.h

   1 /* fbpad header file */
   2
   3 #define MIN(a, b)       ((a) < (b) ? (a) : (b))
   4 #define MAX(a, b)       ((a) > (b) ? (a) : (b))
   5 #define LEN(a)          (sizeof(a) / sizeof((a)[0]))
   6
   7 #define ESC             27              /* escape code */
   8 #define NCOLS           256             /* maximum number of screen columns */
   9 #define NROWS           128             /* maximum number of screen rows */
  10 #define NDOTS           1024            /* maximum pixels in glyphs */
  11 #define NHIST           128             /* scrolling history lines */
  12
  13 /* isdw.c */
  14 #define DWCHAR          0x40000000u     /* 2nd half of a fullwidth char */
  15
  16 int isdw(int c);
  17 int iszw(int c);
  18
  19 /* term.c */
  20 struct term_state {
  21         int row, col;
  22         int fg, bg;
  23         int mode;
  24 };
  25
  26 struct term {
  27         int screen[NROWS * NCOLS];      /* screen content */
  28         int hist[NHIST * NCOLS];        /* scrolling history */
  29         int fgs[NROWS * NCOLS]; /* foreground color */
  30         int bgs[NROWS * NCOLS]; /* background color */
  31         int dirty[NROWS];               /* changed rows in lazy mode */
  32         struct term_state cur, sav;     /* terminal saved state */
  33         int fd;                         /* terminal file descriptor */
  34         int hrow;                       /* the next history row in hist[] */
  35         int hpos;                       /* scrolling history; position */
  36         int lazy;                       /* lazy mode */
  37         int pid;                        /* pid of the terminal program */
  38         int top, bot;                   /* terminal scrolling region */
  39 };
  40
  41 void term_load(struct term *term, int visible);
  42 void term_save(struct term *term);
  43
  44 void term_read(void);
  45 void term_send(int c);
  46 void term_exec(char **args);
  47 void term_end(void);
  48 void term_screenshot(void);
  49 void term_scrl(int pos);
  50 void term_redraw(int all);
  51
  52 /* pad.c */
  53 #define FN_I            0x01000000      /* italic font */
  54 #define FN_B            0x02000000      /* bold font */
  55 #define FN_C            0x00ffffff      /* font color mask */
  56
  57 int pad_init(void);
  58 void pad_free(void);
  59 int pad_font(char *fr, char *fi, char *fb);
  60 void pad_put(int ch, int r, int c, int fg, int bg);
  61 int pad_rows(void);
  62 int pad_cols(void);
  63 void pad_fill(int sr, int er, int sc, int ec, int c);
  64
  65 /* font.c */
  66 struct font *font_open(char *path);
  67 void font_free(struct font *font);
  68 int font_rows(struct font *font);
  69 int font_cols(struct font *font);
  70 int font_bitmap(struct font *font, void *dst, int c);
  71
  72 /* scrsnap.c */
  73 void scr_snap(int idx);
  74 int scr_load(int idx);
  75 void scr_free(int idx);
  76 void scr_done(void);