diff options
Diffstat (limited to 'sdl2')
| -rw-r--r-- | sdl2/bindings.scm | 6 | ||||
| -rw-r--r-- | sdl2/render.scm | 26 |
2 files changed, 23 insertions, 9 deletions
diff --git a/sdl2/bindings.scm b/sdl2/bindings.scm index c314a23..854bdc9 100644 --- a/sdl2/bindings.scm +++ b/sdl2/bindings.scm @@ -53,6 +53,9 @@ RETURN-TYPE and accept arguments of ARG-TYPES." (define-public sdl-rect (list int int int int)) +(define-public sdl-point + (list int int)) + (define sdl-bool int) (define-public (boolean->sdl-bool b) @@ -233,6 +236,9 @@ RETURN-TYPE and accept arguments of ARG-TYPES." (define-foreign sdl-render-copy int "SDL_RenderCopy" '(* * * *)) +(define-foreign sdl-render-copy-ex + int "SDL_RenderCopyEx" (list '* '* '* '* double '* int)) + (define-foreign sdl-create-texture-from-surface '* "SDL_CreateTextureFromSurface" '(* *)) diff --git a/sdl2/render.scm b/sdl2/render.scm index e2fb05c..c91699d 100644 --- a/sdl2/render.scm +++ b/sdl2/render.scm @@ -127,15 +127,23 @@ color." (sdl-error "surface->texture" "failed to convert surface to texture") (wrap-texture ptr)))) -(define* (render-copy renderer texture #:key srcrect dstrect) + +(define* (render-copy renderer texture + #:key (angle 0) srcrect dstrect center) "Copy TEXTURE to the rendering target of RENDERER." - (let ((result (ffi:sdl-render-copy (unwrap-renderer renderer) - (unwrap-texture texture) - (if srcrect - (make-c-struct ffi:sdl-rect srcrect) - %null-pointer) - (if dstrect - (make-c-struct ffi:sdl-rect dstrect) - %null-pointer)))) + (let ((result (ffi:sdl-render-copy-ex + (unwrap-renderer renderer) + (unwrap-texture texture) + (if srcrect + (make-c-struct ffi:sdl-rect srcrect) + %null-pointer) + (if dstrect + (make-c-struct ffi:sdl-rect dstrect) + %null-pointer) + angle + (if center + (make-c-struct ffi:sdl-point center) + %null-pointer) + 0))) (unless (zero? result) (sdl-error "render-copy" "failed to copy texture")))) |