summaryrefslogtreecommitdiff
path: root/sdl2/surface.scm
diff options
context:
space:
mode:
authorDavid Thompson <dthompson2@worcester.edu>2016-12-16 15:52:39 -0500
committerDavid Thompson <dthompson2@worcester.edu>2016-12-16 21:52:36 -0500
commita1fe5d2aa86f3c25fb88313fe4ebd4f53d3f8ed3 (patch)
tree324dcefc51545849da4825fb0eef73c39a330097 /sdl2/surface.scm
parent0c8dc41d9f8da0dae8a171880efd9de3010328a1 (diff)
surface: Add SDL_CreateRGBSurface binding.
Diffstat (limited to 'sdl2/surface.scm')
-rw-r--r--sdl2/surface.scm19
1 files changed, 18 insertions, 1 deletions
diff --git a/sdl2/surface.scm b/sdl2/surface.scm
index 4eb5212..919c6c3 100644
--- a/sdl2/surface.scm
+++ b/sdl2/surface.scm
@@ -30,7 +30,8 @@
#:use-module (system foreign)
#:use-module ((sdl2 bindings) #:prefix ffi:)
#:use-module (sdl2)
- #:export (surface?
+ #:export (make-rgb-surface
+ surface?
delete-surface!
call-with-surface
load-bmp
@@ -48,6 +49,22 @@
(format port "#<surface ~x>"
(pointer-address (unwrap-surface surface)))))
+(define (make-rgb-surface width height depth)
+ "Create a new SDL surface with the dimensions WIDTH and HEIGHT and
+DEPTH bits per pixel."
+ (wrap-surface
+ (if (eq? (native-endianness) 'big)
+ (ffi:sdl-create-rgb-surface 0 width height depth
+ #xff000000
+ #x00ff0000
+ #x0000ff00
+ #x000000ff)
+ (ffi:sdl-create-rgb-surface 0 width height depth
+ #x000000ff
+ #x0000ff00
+ #x00ff0000
+ #xff000000))))
+
(define (delete-surface! surface)
"Free the memory used by SURFACE."
(ffi:sdl-free-surface (unwrap-surface surface)))