From 3d91eb43ace55bbcce85b5fcfd9dc04ba3dfe236 Mon Sep 17 00:00:00 2001 From: Pierre-Antoine Rouby Date: Wed, 22 May 2019 08:27:55 +0200 Subject: render: Add SDL_RenderDrawLine binding. * sdl2/bindings.scm (sdl-render-draw-line): New procedure. * sdl2/render.scm (render-draw-line): New procedure. * doc/api.texi: Document it. --- doc/api.texi | 5 +++++ sdl2/bindings.scm | 3 +++ sdl2/render.scm | 5 +++++ 3 files changed, 13 insertions(+) diff --git a/doc/api.texi b/doc/api.texi index 5be763c..6e9e945 100644 --- a/doc/api.texi +++ b/doc/api.texi @@ -1056,6 +1056,11 @@ Display @var{renderer}. Copy @var{texture} to the rendering target of @var{renderer}. @end deffn +@deffn {Procedure} render-draw-line renderer x1 y1 x2 y2 +Draw a line from (@var{x1}, @var{y1}) to (@var{x2}, @var{y2}) on the +current rendering target of @var{renderer}. +@end deffn + @deffn {Procedure} surface->texture renderer surface Convert @var{surface} to a texture suitable for @var{renderer}. @end deffn diff --git a/sdl2/bindings.scm b/sdl2/bindings.scm index 854bdc9..c31bbd2 100644 --- a/sdl2/bindings.scm +++ b/sdl2/bindings.scm @@ -245,6 +245,9 @@ RETURN-TYPE and accept arguments of ARG-TYPES." (define-foreign sdl-set-render-draw-color int "SDL_SetRenderDrawColor" (list '* uint8 uint8 uint8 uint8)) +(define-foreign sdl-render-draw-line + int "SDL_RenderDrawLine" (list '* int int int int)) + ;;; ;;; Events diff --git a/sdl2/render.scm b/sdl2/render.scm index c91699d..18b800d 100644 --- a/sdl2/render.scm +++ b/sdl2/render.scm @@ -37,6 +37,7 @@ present-renderer render-copy set-render-draw-color + render-draw-line surface->texture)) @@ -106,6 +107,10 @@ color." "Set draw color of RENDERER." (ffi:sdl-set-render-draw-color (unwrap-renderer renderer) r g b a)) +(define (render-draw-line renderer x1 y1 x2 y2) + "Draw line on RENDERER." + (ffi:sdl-render-draw-line (unwrap-renderer renderer) x1 y1 x2 y2)) + ;;; ;;; Texture -- cgit v1.2.3