From ecdb209d374e62144defa4b80d6a1c9f46a727d1 Mon Sep 17 00:00:00 2001 From: Jona Date: Fri, 5 May 2017 10:36:07 +0200 Subject: 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. --- sdl2/bindings.scm | 3 +++ sdl2/render.scm | 11 +++++++---- 2 files changed, 10 insertions(+), 4 deletions(-) (limited to 'sdl2') 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")))) -- cgit v1.2.3