shithub: libdraw.myr

ref: d180b70c6c69ffe8168cc8571772ad6e15ac6aba
dir: /string.myr/

use std
use "types"
use "font"
use "pack"

pkg draw =
	const string	: (dst : image#, dp : point, str : byte[:] -> void)
	const gstring	: (dst : image#, dp : point, clipr : rect, src : image#, sp : point, ft : font#, str : byte[:] -> void)
;;

const string = {dst, dp, str
	gstring(dst, dp, dst.r, dst.dpy.black, [.x=0, .y=0], dst.dpy.dfont, str)	
}

const gstring = {dst, dp, clipr, src, sp, ft, str
	var cids, id

	cids = [][:]
	for c : std.bychar(str)
		id = cachechar(ft, c)
		if id < 0
			break
		;;
		std.slpush(&cids, id)
	;;

	/* s dstid[4] srcid[4] fontid[4] p[2*4] clipr[4*4] sp[2*4] n[2] n*(index[2]) */
	pack(dst.dpy, "biiiprpsI", 2*cids.len, \
		('s' : byte), \
		dst.id, \
		src.id, \
		ft.cimage.id, \
		dp, \
		clipr, \
		sp, \
		cids.len, \
		cids)
	std.slfree(cids)
}