Still label legends and facets in theme_void

While theme_void is meant for drawings or plots in which the coordinates
are self describing (like maps for examples), subplots and aesthetics
still need to be described. The legend itself can be removed with
`guide = none` in the scale functions.

Author: jiho

R/theme-defaults.r

@@ -269,8 +269,20 @@ theme_void <- function(base_size = 12, base_family = "") {
     # Use only inherited elements and make everything blank
     line =               element_blank(),
     rect =               element_blank(),
-    text =               element_blank(),
+    text =               element_text(
+                            family = base_family, face = "plain",
+                            colour = "black", size = base_size,
+                            lineheight = 0.9, hjust = 0.5, vjust = 0.5, angle = 0,
+                            margin = margin(), debug = FALSE
+                         ),
     plot.margin =        unit(c(0, 0, 0, 0), "lines"),
+    axis.text.x =        element_blank(),
+    axis.text.y =        element_blank(),
+    axis.title.x =       element_blank(),
+    axis.title.y =       element_blank(),
+    legend.text =        element_text(size = rel(0.8)),
+    legend.title =       element_blank(),
+    strip.text =         element_text(size = rel(0.8)),
 
     complete = TRUE
   )