move readbitmap to suggests

bart6114 · bart6114 · commit 8391edcd7515 · 2017-06-24T11:04:19.000+02:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -12,12 +12,12 @@ Imports:
     dplyr,
     ggplot2,
     grDevices,
-    jsonlite,
-    readbitmap
+    jsonlite
 Suggests:
     knitr,
     rmarkdown,
     RColorBrewer,
+    readbitmap,
     testthat
 VignetteBuilder: knitr
 RoxygenNote: 6.0.1
diff --git a/R/watermark.R b/R/watermark.R
@@ -1,5 +1,7 @@
 #' Add a watermark image
 #'
+#' This functionality depends on the \code{readbitmap} package.
+#'
 #' @param filename the filename of the
 #' @param x the x location of the watermark (0-1 scale)
 #' @param y the y location of the watermark (0-1 scale)
diff --git a/man/watermark_img.Rd b/man/watermark_img.Rd
