diff options
| author | David Thompson <dthompson2@worcester.edu> | 2017-11-10 21:23:01 -0500 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2017-11-10 21:23:01 -0500 |
| commit | f8cbe6fdced276cf0ce70c14c78bc2f5cfb4d8ee (patch) | |
| tree | adde2c6f3a76c9c653cd09e82e51624ac73e0c2d /sdl2/render.scm | |
| parent | d4c9b381d931835f930608db9563434f312dbf67 (diff) | |
render: Fix broken render-copy procedure.
* sdl2/render.scm (render-copy): Make srcrect and dstrect optional and
do not use nil? to check them.
Diffstat (limited to 'sdl2/render.scm')
| -rw-r--r-- | sdl2/render.scm | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/sdl2/render.scm b/sdl2/render.scm index 5b27990..44df4a4 100644 --- a/sdl2/render.scm +++ b/sdl2/render.scm @@ -122,15 +122,15 @@ color." (sdl-error "surface->texture" "failed to convert surface to texture") (wrap-texture ptr)))) -(define (render-copy renderer texture srcrect dstrect) +(define* (render-copy renderer texture #:key srcrect dstrect) "Copy TEXTURE to the rendering target of RENDERER." (let ((result (ffi:sdl-render-copy (unwrap-renderer renderer) (unwrap-texture texture) - (if (nil? srcrect) - %null-pointer - (make-c-struct ffi:sdl-rect srcrect)) - (if (nil? dstrect) - %null-pointer - (make-c-struct ffi:sdl-rect dstrect))))) + (if srcrect + (make-c-struct ffi:sdl-rect srcrect) + %null-pointer) + (if dstrect + (make-c-struct ffi:sdl-rect dstrect) + %null-pointer)))) (unless (zero? result) (sdl-error "render-copy" "failed to copy texture")))) |