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/* See LICENSE file for copyright and license details. */

typedef struct {
  Cursor cursor;
} Cur;

typedef struct Fnt {
  Display *dpy;
  unsigned int h;
  XftFont *xfont;
  FcPattern *pattern;
  struct Fnt *next;
} Fnt;

enum { ColFg, ColBg }; /* Clr scheme index */
typedef XftColor Clr;

typedef struct {
  unsigned int w, h;
  Display *dpy;
  int screen;
  Window root;
  Drawable drawable;
  GC gc;
  Clr *scheme;
  Fnt *fonts;
} Drw;

/* Drawable abstraction */
Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w,
                unsigned int h);
void drw_resize(Drw *drw, unsigned int w, unsigned int h);
void drw_free(Drw *drw);

/* Fnt abstraction */
Fnt *drw_fontset_create(Drw *drw, const char *fonts[], size_t fontcount);
void drw_fontset_free(Fnt *set);
unsigned int drw_fontset_getwidth(Drw *drw, const char *text);
void drw_font_getexts(Fnt *font, const char *text, unsigned int len,
                      unsigned int *w, unsigned int *h);

/* Colorscheme abstraction */
void drw_clr_create(Drw *drw, Clr *dest, const char *clrname);
Clr *drw_scm_create(Drw *drw, char *clrnames[], size_t clrcount);

/* Cursor abstraction */
Cur *drw_cur_create(Drw *drw, int shape);
void drw_cur_free(Drw *drw, Cur *cursor);

/* Drawing context manipulation */
void drw_setfontset(Drw *drw, Fnt *set);
void drw_setscheme(Drw *drw, Clr *scm);

/* Drawing functions */
void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h,
              int filled, int invert);
int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h,
             unsigned int lpad, const char *text, int invert);

/* Map functions */
void drw_map(Drw *drw, Window win, int x, int y, unsigned int w,
             unsigned int h);