diff options
| author | Jona <saikyun@gmail.com> | 2017-05-05 10:36:07 +0200 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2017-06-06 21:12:14 -0400 |
| commit | ecdb209d374e62144defa4b80d6a1c9f46a727d1 (patch) | |
| tree | a884c7fb8ad66d7d312f10aaf3a6367630493b58 | |
| parent | 85704a5b67bd1d1d31cd4e6ca04be488c5fe64d8 (diff) | |
render: Add srcrect and dstrect arguments to render-copy.
* sdl2/bindings.scm (sdl-rect): New variable.
* sdl2/render.scm (render-copy): Add srcrect and dstrect arguments.
| -rw-r--r-- | sdl2/bindings.scm | 3 | ||||
| -rw-r--r-- | sdl2/render.scm | 11 |
2 files changed, 10 insertions, 4 deletions
diff --git a/sdl2/bindings.scm b/sdl2/bindings.scm index d69e737..dd0a619 100644 --- a/sdl2/bindings.scm +++ b/sdl2/bindings.scm @@ -49,6 +49,9 @@ RETURN-TYPE and accept arguments of ARG-TYPES." (define-public sdl-color (list uint8 uint8 uint8 uint8)) +(define-public sdl-rect + (list int int int int)) + (define sdl-bool int) (define-public (boolean->sdl-bool b) diff --git a/sdl2/render.scm b/sdl2/render.scm index 8c34d60..5b27990 100644 --- a/sdl2/render.scm +++ b/sdl2/render.scm @@ -122,12 +122,15 @@ color." (sdl-error "surface->texture" "failed to convert surface to texture") (wrap-texture ptr)))) -;; TODO: Add srcrect and dstrect. -(define (render-copy renderer texture) +(define (render-copy renderer texture srcrect dstrect) "Copy TEXTURE to the rendering target of RENDERER." (let ((result (ffi:sdl-render-copy (unwrap-renderer renderer) (unwrap-texture texture) - %null-pointer - %null-pointer))) + (if (nil? srcrect) + %null-pointer + (make-c-struct ffi:sdl-rect srcrect)) + (if (nil? dstrect) + %null-pointer + (make-c-struct ffi:sdl-rect dstrect))))) (unless (zero? result) (sdl-error "render-copy" "failed to copy texture")))) |