1 ! Copyright (C) 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: kernel arrays sequences math math.order opengl opengl.gl
11 HOOK: finish-text-rendering font-renderer ( world -- )
13 M: object finish-text-rendering drop ;
15 HOOK: string-dim font-renderer ( font string -- dim )
17 HOOK: string-width font-renderer ( font string -- w )
19 HOOK: string-height font-renderer ( font string -- h )
21 M: object string-dim [ string-width ] [ string-height ] 2bi 2array ;
23 M: object string-width string-dim first ;
25 M: object string-height string-dim second ;
27 HOOK: draw-string font-renderer ( font string loc -- )
29 HOOK: free-fonts font-renderer ( world -- )
31 : combine-text-dim ( dim1 dim2 -- dim3 )
38 HOOK: x>offset font-renderer ( x font string -- n )
40 HOOK: offset>x font-renderer ( n font string -- x )
42 GENERIC: text-dim ( font text -- dim )
44 M: string text-dim string-dim ;
47 [ { 0 0 } ] 2dip [ string-dim combine-text-dim ] with each ;
49 : text-width ( font text -- w ) text-dim first ;
51 : text-height ( font text -- h ) text-dim second ;
53 GENERIC# draw-text 1 ( font text loc -- )
55 M: string draw-text draw-string ;
60 2dup { 0 0 } draw-string
61 0.0 swap string-height 0.0 glTranslated