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;;; guile-sdl2 --- FFI bindings for SDL2
;;; Copyright © 2015 David Thompson <davet@gnu.org>
;;;
;;; This file is part of guile-sdl2.
;;;
;;; Guile-sdl2 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-sdl2 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
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU Lesser General Public
;;; License along with guile-sdl2. If not, see
;;; <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Low-level FFI bindings for SDL2_ttf.
;;
;;; Code:
(define-module (sdl2 bindings ttf)
#:use-module (system foreign)
#:use-module (sdl2 config)
#:use-module (sdl2 bindings))
(define sdl-ttf-func
(let ((lib (dynamic-link %libsdl2-ttf)))
(lambda (return-type function-name arg-types)
"Return a procedure for the foreign function FUNCTION-NAME in
the SDL2_ttf shared library. That function must return a value of
RETURN-TYPE and accept arguments of ARG-TYPES."
(pointer->procedure return-type
(dynamic-func function-name lib)
arg-types))))
(define-syntax-rule (define-foreign name return-type func-name arg-types)
(define-public name
(sdl-ttf-func return-type func-name arg-types)))
;; Font style bitmask.
;; If no bit is set in the mask, that means the style is "normal"
(define-public SDL_TTF_STYLE_BOLD #x01)
(define-public SDL_TTF_STYLE_ITALIC #x02)
(define-public SDL_TTF_STYLE_UNDERLINE #x04)
(define-public SDL_TTF_STYLE_STRIKETHROUGH #x08)
(define-foreign ttf-init
int "TTF_Init" '())
(define-foreign ttf-quit
void "TTF_Quit" '())
(define-foreign ttf-open-font
'* "TTF_OpenFont" (list '* int))
(define-foreign ttf-close-font
void "TTF_CloseFont" '(*))
(define-foreign ttf-font-height
int "TTF_FontHeight" '(*))
(define-foreign ttf-font-ascent
int "TTF_FontAscent" '(*))
(define-foreign ttf-font-descent
int "TTF_FontDescent" '(*))
(define-foreign ttf-font-line-skip
int "TTF_FontLineSkip" '(*))
(define-foreign ttf-size-utf8
int "TTF_SizeUTF8" '(* * * *))
(define-foreign ttf-glyph-is-provided
int "TTF_GlyphIsProvided" (list '* uint16))
(define-foreign ttf-glyph-metrics
int "TTF_GlyphMetrics" (list '* uint16 '* '* '* '* '*))
(define-foreign ttf-get-font-style
int "TTF_GetFontStyle" '(*))
(define-foreign ttf-set-font-style
void "TTF_SetFontStyle" (list '* int))
(define-foreign ttf-render-text-solid
'* "TTF_RenderText_Solid" (list '* '* sdl-color))
(define-foreign ttf-render-utf8-solid
'* "TTF_RenderUTF8_Solid" (list '* '* sdl-color))
(define-foreign ttf-render-text-shaded
'* "TTF_RenderText_Shaded" (list '* '* sdl-color sdl-color))
(define-foreign ttf-render-utf8-shaded
'* "TTF_RenderUTF8_Shaded" (list '* '* sdl-color sdl-color))
(define-foreign ttf-render-text-blended
'* "TTF_RenderText_Blended" (list '* '* sdl-color))
(define-foreign ttf-render-utf8-blended
'* "TTF_RenderUTF8_Blended" (list '* '* sdl-color))
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