draw.h

   1 /* See LICENSE file for copyright and license details. */
   2
   3 struct _XCol {
   4         unsigned long rgb;
   5 };
   6 typedef struct _XCol Col;
   7
   8 struct _XFont {
   9         int ascent;
  10         int descent;
  11         unsigned int h;
  12         XFontSet set;
  13         XFontStruct *xfont;
  14 };
  15 typedef struct _XFont Fnt;
  16
  17 typedef struct _XDraw Draw;
  18 struct _XDraw {
  19         unsigned int w, h;
  20         Display *dpy;
  21         int screen;
  22         Window win;
  23         Drawable drawable;
  24         GC gc;
  25         Col *fg;
  26         Col *bg;
  27         Fnt *font;
  28 };
  29
  30 typedef struct {
  31         unsigned int w;
  32         unsigned int h;
  33         int xOff;
  34         int yOff;
  35 } TextExtents;
  36
  37 /* Drawable abstraction */
  38 Draw *draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
  39 void draw_resize(Draw *draw, unsigned int w, unsigned int h);
  40 void draw_free(Draw *draw);
  41
  42 /* Fnt abstraction */
  43 Fnt *draw_font_create(Draw *draw, const char *fontname);
  44 void draw_font_free(Draw *draw, Fnt *font);
  45
  46 /* Colour abstraction */
  47 Col *draw_col_create(Draw *draw, const char *colname);
  48 void draw_col_free(Draw *draw, Col *col);
  49
  50 /* Drawing context manipulation */
  51 void draw_setfont(Draw *draw, Fnt *font);
  52 void draw_setfg(Draw *draw, Col *col);
  53 void draw_setbg(Draw *draw, Col *col);
  54
  55 /* Drawing functions */
  56 void draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert);
  57 void draw_text(Draw *draw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert);
  58
  59 /* Map functions */
  60 void draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h);
  61
  62 /* Text functions */
  63 void draw_getextents(Draw *draw, const char *text, unsigned int len, TextExtents *extents);
  64