drw.h (2099B)
1 /* See LICENSE file for copyright and license details. */ 2 #include <stddef.h> 3 #include <stdio.h> 4 5 typedef struct { 6 int cursor; 7 } Cur; 8 9 typedef struct Fnt { 10 unsigned int h; 11 struct Fnt *next; 12 } Fnt; 13 14 enum { ColFg, ColBg }; /* Clr scheme index */ 15 typedef short Clr; 16 17 typedef struct { 18 unsigned int w, h; 19 Clr *scheme; 20 Fnt *fonts; 21 short curfg, curbg; 22 int colorvalid; 23 int curx, cury; 24 int posvalid; 25 int winx, winy; 26 } Drw; 27 28 /* Drawable abstraction */ 29 Drw *drw_create(void *unused1, int unused2, unsigned long unused3, unsigned int w, unsigned int h); 30 void drw_resize(Drw *drw, unsigned int w, unsigned int h); 31 void drw_free(Drw *drw); 32 33 /* Fnt abstraction */ 34 Fnt *drw_fontset_create(Drw *drw, const char *fonts[], size_t fontcount); 35 void drw_fontset_free(Fnt *set); 36 unsigned int drw_fontset_getwidth(Drw *drw, const char *text); 37 unsigned int drw_fontset_getwidth_clamp(Drw *drw, const char *text, unsigned int n); 38 void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h); 39 40 /* Colorscheme abstraction */ 41 void drw_clr_create(Drw *drw, Clr *dest, const char *clrname); 42 void drw_clr_free(Drw *drw, Clr *c); 43 Clr *drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount); 44 void drw_scm_free(Drw *drw, Clr *scm, size_t clrcount); 45 46 /* Cursor abstraction */ 47 Cur *drw_cur_create(Drw *drw, int shape); 48 void drw_cur_free(Drw *drw, Cur *cursor); 49 50 /* Drawing context manipulation */ 51 void drw_setfontset(Drw *drw, Fnt *set); 52 void drw_setscheme(Drw *drw, Clr *scm); 53 void drw_setwindow(Drw *drw, int x, int y); 54 void drw_term_init(FILE *out); 55 void drw_term_reset(void); 56 void drw_clear(Drw *drw, unsigned int rows); 57 void drw_cursor_save(void); 58 void drw_cursor_restore(void); 59 void drw_move(Drw *drw, int x, int y); 60 61 /* Drawing functions */ 62 void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert); 63 int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert); 64 65 /* Map functions */ 66 void drw_map(Drw *drw, unsigned long win, int x, int y, unsigned int w, unsigned int h);