void font_render_wrapped(font *font, const char *text, int x, int y, int w, color c) {
int len = strlen(text);
if (font->w*len < w) {
// short enough text that we don't need to wrap
// render it centered, at least for now
int xoff = (w - font->w*len)/2;
font_render_len(font, text, len, x + xoff, y, c);
} else {
// ok, we actually have to do some real work
// look ma, no mallocs!
char *end = strchr(text, '\0');
const char *start = text;
const char *stop = start;
const char *tmpstop;
int maxlen = w/font->w;
int yoff = 0;
while (start != end) {
while(1) {
tmpstop = strchr(stop+1, ' ');
if (tmpstop == NULL) {
stop = end-1;
break;
} else if ((tmpstop - start) > maxlen) {
break;
} else {
stop = tmpstop;
}
}
int len = stop - start;
int xoff = (w - font->w*len)/2;
font_render_len(font, start, len, x + xoff, y + yoff, c);
yoff += font->h+1;
start = stop+1;
stop = start;
}
}
}
void font_render(const font *font, const char *text, int x, int y, color c) {
int len = strlen(text);
font_render_len(font, text, len, x, y, c);
}
