From cabdfc25f2162ab8d459402a2d51d07e4c28e93e Mon Sep 17 00:00:00 2001 From: Robby Findler Date: Wed, 6 Jan 2010 20:43:37 +0000 Subject: [PATCH] render-o fixup for htdp/image svn: r17505 --- collects/teachpack/htdp/scribblings/image.scrbl | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/collects/teachpack/htdp/scribblings/image.scrbl b/collects/teachpack/htdp/scribblings/image.scrbl index 15f73d23e0..587fcf1812 100644 --- a/collects/teachpack/htdp/scribblings/image.scrbl +++ b/collects/teachpack/htdp/scribblings/image.scrbl @@ -139,13 +139,15 @@ find out where the pinhole is and place it where convenient. Images can be composed, and images can be found within compositions. @defproc[(add-line [i image?] - [x number?] - [y number?] - [z number?] - [u number?] + [x1 number?] + [y1 number?] + [x2 number?] + [y2 number?] [c (unsyntax @tech{Color})]) image?]{ -Creates an image by adding a line (colored @scheme[c]) from @scheme[(x,y)] -to @scheme[(z,u)] to image @scheme[i].} +Creates an image by adding a line (colored @scheme[c]) from +(@scheme[x1],@scheme[y1]) to +(@scheme[x2],@scheme[y2]) +to image @scheme[i].} @defproc[(overlay [img image?] [img2 image?] [img* image?] ...) image?]{ Creates an image by overlaying all images on their pinholes.