1 files changed, 0 insertions, 17 deletions
diff --git a/layout/subimage.go b/layout/subimage.go
deleted file mode 100644
index ecbe931..0000000
--- a/layout/subimage.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package layout
-
-import (
-	"image"
-	"image/draw"
-)
-
-type subimager interface {
-	SubImage(image.Rectangle) image.Image
-}
-
-// Subimage returns an image representing the portion of the image m visible through r.
-// The returned value shares pixels with the original.
-// Panics if the concrete image type does not have a SubImage() method.
-func subimage(m draw.Image, r image.Rectangle) draw.Image {
-	return m.(subimager).SubImage(r).(draw.Image)
-}