1 ;;; Gacela, a GNU Common Lisp 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 (when (not (find-package 'gacela))
19 (make-package 'gacela :nicknames '(gg) :use '(lisp)))
21 (eval-when (eval) (in-package 'gacela :nicknames '(gg) :use '(lisp)))
23 (defun load-font (font-file &key (size 40) (encoding ft_encoding_unicode) static)
24 (let* ((key (make-resource-font :filename font-file :encoding encoding))
25 (res (get-resource key)))
26 (cond (res (ftglSetFontFaceSize (getf res :id-font) size 72)
28 (t (true-load-font font-file size encoding static)))))
30 (defun true-load-font (font-file size encoding static)
31 (let ((key (make-resource-font :filename font-file :encoding encoding))
32 (font (ftglCreateTextureFont font-file)))
34 (ftglSetFontFaceSize font size 72)
35 (ftglSetFontCharMap font encoding)
38 (lambda () (true-load-font font-file size encoding static))
39 (lambda () (ftglDestroyFont font))
43 (defun render-text (text font &key size)
44 (let ((id-font (getf (get-resource font) :id-font)))
45 (cond (size (ftglSetFontFaceSize id-font size 72)))
46 (ftglRenderFont id-font text FTGL_RENDER_ALL)))