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;;; guile-2d
;;; Copyright (C) 2013 David Thompson <dthompson2@worcester.edu>
;;;
;;; Guile-2d is free software: you can redistribute it and/or modify it
;;; under the terms of the GNU Lesser General Public License as
;;; published by the Free Software Foundation, either version 3 of the
;;; License, or (at your option) any later version.
;;;
;;; Guile-2d is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; Lesser General Public License for more details.
;;;
;;; You should have received a copy of the GNU Lesser General Public
;;; License along with this program. If not, see
;;; <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Quick and dirty wrapper for the FTGL library.
;;
;;; Code:
(define-module (2d wrappers ftgl)
#:use-module (system foreign)
#:use-module (2d wrappers util))
(define libftgl (dynamic-link "libftgl"))
(define-syntax-rule (define-foreign name ret string-name args)
(define name
(pointer->procedure ret (dynamic-func string-name libftgl) args)))
;;;
;;; Enums
;;;
(define-enumeration ftgl-render-mode
(front #x0001)
(back #x0002)
(side #x0004)
(all #xffff))
(define-enumeration ftgl-text-alignment
(left 0)
(center 1)
(right 2)
(justify 3))
(export ftgl-render-mode
ftgl-text-alignment)
;;;
;;; Fonts
;;;
(define-wrapped-pointer-type <ftgl-font>
ftgl-font?
wrap-ftgl-font unwrap-ftgl-font
(lambda (r port)
(let ((font (unwrap-ftgl-font r)))
(format port
"<ftgl-font ~x>"
(pointer-address font)))))
(define-foreign %ftgl-create-texture-font
'* "ftglCreateTextureFont" '(*))
(define-foreign %ftgl-set-font-face-size
void "ftglSetFontFaceSize" (list '* unsigned-int unsigned-int))
(define-foreign %ftgl-render-font
void "ftglRenderFont" (list '* '* unsigned-int))
(define (ftgl-create-texture-font filename)
(wrap-ftgl-font
(%ftgl-create-texture-font (string->pointer filename))))
(define (ftgl-set-font-face-size font size res)
(%ftgl-set-font-face-size (unwrap-ftgl-font font) size res))
(define (ftgl-render-font font text render-mode)
(%ftgl-render-font (unwrap-ftgl-font font)
(string->pointer text)
render-mode))
(export ftgl-create-texture-font
ftgl-set-font-face-size
ftgl-render-font)
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