1 ;;; Gacela, a GNU Guile extension for fast games development
2 ;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
4 ;;; This program is free software: you can redistribute it and/or modify
5 ;;; it under the terms of the GNU General Public License as published by
6 ;;; the Free Software Foundation, either version 3 of the License, or
7 ;;; (at your option) any later version.
9 ;;; This program is distributed in the hope that it will be useful,
10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ;;; GNU General Public License for more details.
14 ;;; You should have received a copy of the GNU General Public License
15 ;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
18 (define-module (gacela ttf)
19 #:use-module (gacela ftgl)
20 #:use-module (ice-9 optargs)
24 (define* (load-font font-file #:key (size 40) (encoding ft_encoding_unicode))
25 (let* ((key (list font-file))
26 (font (get-resource-from-cache key)))
28 (set! font (ftglCreateTextureFont font-file))
29 (insert-resource-into-cache key font)))
30 (ftglSetFontFaceSize font size 72)
31 (ftglSetFontCharMap font encoding)
34 (define* (render-text text font #:key (size #f))
35 (cond (size (ftglSetFontFaceSize font size 72)))
36 (ftglRenderFont font text FTGL_RENDER_ALL))