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           32              /* 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 #define TERM_HIDDEN     0
  21 #define TERM_VISIBLE    1
  22 #define TERM_REDRAW     2
  23
  24 struct term_state {
  25         int row, col;
  26         int fg, bg;
  27         int mode;
  28 };
  29
  30 struct term {
  31         int screen[NROWS * NCOLS];
  32         int hist[NHIST * NCOLS];
  33         char fgs[NROWS * NCOLS];
  34         char bgs[NROWS * NCOLS];
  35         struct term_state cur, sav;
  36         int fd;
  37         int pid;
  38         int top, bot;
  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_hist(int pos);
  50
  51 /* pad.c */
  52 #define FN_I            0x10
  53 #define FN_B            0x20
  54
  55 int pad_init(void);
  56 void pad_free(void);
  57 void pad_put(int ch, int r, int c, int fg, int bg);
  58 int pad_rows(void);
  59 int pad_cols(void);
  60 void pad_blank(int c);
  61 void pad_blankrow(int r, int bg);
  62
  63 /* font.c */
  64 struct font *font_open(char *path);
  65 void font_free(struct font *font);
  66 int font_rows(struct font *font);
  67 int font_cols(struct font *font);
  68 int font_bitmap(struct font *font, void *dst, int c);
  69
  70 /* scrsnap.c */
  71 void scr_snap(void *owner);
  72 int scr_load(void *owner);
  73 void scr_free(void *owner);