draw.c

   1 /* See LICENSE file for copyright and license details. */
   2 #include <stdlib.h>
   3 #include <X11/Xlib.h>
   4
   5 #include "draw.h"
   6
   7 Draw *
   8 draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) {
   9         Draw *draw = (Draw *)calloc(1, sizeof(Draw));
  10         draw->dpy = dpy;
  11         draw->screen = screen;
  12         draw->win = win;
  13         draw->w = w;
  14         draw->h = h;
  15         draw->drawable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen));
  16         draw->gc = XCreateGC(dpy, win, 0, NULL);
  17         XSetLineAttributes(dpy, draw->gc, 1, LineSolid, CapButt, JoinMiter);
  18         return draw;
  19 }
  20
  21 void
  22 draw_resize(Draw *draw, unsigned int w, unsigned int h) {
  23         if(!draw)
  24                 return;
  25         draw->w = w;
  26         draw->h = h;
  27         XFreePixmap(draw->dpy, draw->drawable);
  28         draw->drawable = XCreatePixmap(draw->dpy, draw->win, w, h, DefaultDepth(draw->dpy, draw->screen));
  29 }
  30
  31 void
  32 draw_free(Draw *draw) {
  33         XFreePixmap(draw->dpy, draw->drawable);
  34         XFreeGC(draw->dpy, draw->gc);
  35         free(draw);
  36 }
  37
  38 Fnt *
  39 font_create(const char *fontname) {
  40         Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
  41         /* TODO: allocate actual font */
  42         return font;
  43 }
  44
  45 void
  46 font_free(Fnt *font) {
  47         if(!font)
  48                 return;
  49         /* TODO: deallocate any font resources */
  50         free(font);
  51 }
  52
  53 Col *
  54 col_create(const char *colname) {
  55         Col *col = (Col *)calloc(1, sizeof(Col));
  56         /* TODO: allocate color */
  57         return col;
  58 }
  59
  60 void
  61 col_free(Col *col) {
  62         if(!col)
  63                 return;
  64         /* TODO: deallocate any color resource */
  65         free(col);
  66 }
  67
  68 void
  69 draw_setfont(Draw *draw, Fnt *font) {
  70         if(!draw || !font)
  71                 return;
  72         draw->font = font;
  73 }
  74
  75 void
  76 draw_setfg(Draw *draw, Col *col) {
  77         if(!draw || !col)
  78                 return;
  79         draw->fg = col;
  80 }
  81
  82 void
  83 draw_setbg(Draw *draw, Col *col) {
  84         if(!draw || !col)
  85                 return;
  86         draw->bg = col;
  87 }
  88
  89 void
  90 draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
  91         if(!draw)
  92                 return;
  93         /* TODO: draw the rectangle */
  94 }
  95
  96 void
  97 draw_text(Draw *draw, int x, int y, const char *text) {
  98         if(!draw)
  99                 return;
 100         /* TODO: draw the text */
 101 }
 102
 103 void
 104 draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
 105         if(!draw)
 106                 return;
 107         /* TODO: map the draw contents in the region */
 108 }
 109
 110 void
 111 draw_getextents(Draw *draw, const char *text, TextExtents *extents) {
 112         if(!draw || !extents)
 113                 return;
 114         /* TODO: get extents */
 115 }