+Bool
+loadfont(DC *dc, const char *fontstr) {
+ char *def, **missing, **names;
+ int i, n;
+ XFontStruct **xfonts;
+
+ if(!*fontstr)
+ return False;
+ if((dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def))) {
+ n = XFontsOfFontSet(dc->font.set, &xfonts, &names);
+ for(i = 0; i < n; i++) {
+ dc->font.ascent = MAX(dc->font.ascent, xfonts[i]->ascent);
+ dc->font.descent = MAX(dc->font.descent, xfonts[i]->descent);
+ dc->font.width = MAX(dc->font.width, xfonts[i]->max_bounds.width);
+ }
+ }
+ else if((dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr))) {
+ dc->font.ascent = dc->font.xfont->ascent;
+ dc->font.descent = dc->font.xfont->descent;
+ dc->font.width = dc->font.xfont->max_bounds.width;
+ }
+ if(missing)
+ XFreeStringList(missing);
+ return dc->font.set || dc->font.xfont;
+}
+
+void
+mapdc(DC *dc, Window win, unsigned int w, unsigned int h) {
+ XCopyArea(dc->dpy, dc->canvas, win, dc->gc, 0, 0, w, h, 0, 0);
+}
+
+void
+resizedc(DC *dc, unsigned int w, unsigned int h) {
+ if(dc->canvas)
+ XFreePixmap(dc->dpy, dc->canvas);
+
+ dc->w = w;
+ dc->h = h;
+ dc->canvas = XCreatePixmap(dc->dpy, DefaultRootWindow(dc->dpy), w, h,
+ DefaultDepth(dc->dpy, DefaultScreen(dc->dpy)));