X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=gacela%2Fimage.scm;fp=gacela%2Fimage.scm;h=6a9710101009f7014360f0ca2ab21c69f2fa3655;hb=e07174ebbc0c612e7b88ae75e261e14a52b686fd;hp=0000000000000000000000000000000000000000;hpb=8f316df4d3eb7d3fca037c3bc888a59711a8256d;p=gacela.git

diff --git a/gacela/image.scm b/gacela/image.scm
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+++ b/gacela/image.scm
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+;;; Gacela, a GNU Guile extension for fast games development
+;;; Copyright (C) 2016 by Javier Sancho Fernandez <jsf at jsancho dot org>
+;;;
+;;; This program is free software: you can redistribute it and/or modify
+;;; it under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation, either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; This program 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 General Public License
+;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+(define-module (gacela image)
+  #:use-module (gacela scene)
+  #:use-module ((sdl2 surface) #:prefix sdl2:)
+  #:export (import-bitmap
+	    move-xy))
+
+(define-syntax-rule (import-bitmap filename)
+  (make-scene
+   "bitmap"
+   (let ((surface (sdl2:load-bmp filename)))
+     (let ((a 0))
+       (lambda ()
+	 (set! a (+ a 1))
+	 (format #t "Steps: ~a~%" a))))))
+
+(define-syntax-rule (move-xy x y scene)
+  (make-scene
+   "move-xy"
+   (lambda ()
+     (display-scene scene))))