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authorDavid Thompson <dthompson2@worcester.edu>2015-12-17 09:09:10 -0500
committerDavid Thompson <dthompson2@worcester.edu>2015-12-17 09:09:10 -0500
commit9400aa25bcd5810766d3d32405183e8d5b0f2474 (patch)
tree465dc0c5bff7877a3795c975b2e43ce9f3d417b3 /sdl2/bindings/ttf.scm
parentd17351ee7881ab1a9c7cbefb9ac45e40a75ac63f (diff)
Add SDL2_ttf bindings.
* sdl2/bindings/ttf.scm: New file. * sdl2/ttf.scm: New file. * Makefile.am (SOURCES): Add them.
Diffstat (limited to 'sdl2/bindings/ttf.scm')
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1 files changed, 76 insertions, 0 deletions
diff --git a/sdl2/bindings/ttf.scm b/sdl2/bindings/ttf.scm
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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)))
+
+(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-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))