chore: qualify namespace explicitly

Author: nanxstats

tests/testthat/test-independent-testing-rtf_nrow.R

@@ -76,8 +76,8 @@ cellsize <- matrix(width, nrow = nrow(tbl), ncol = ncol(tbl), byrow = TRUE) - pa
 nline_vector <- rtf_nline_vector(
   text = c("title 1", "this is a sentence for title 2", NA),
   strwidth = c(
-    with_graphics_device(graphics::strwidth("title 1", units = "inches")),
-    with_graphics_device(graphics::strwidth("this is a sentence for title 2", units = "inches"))
+    r2rtf:::with_graphics_device(graphics::strwidth("title 1", units = "inches")),
+    r2rtf:::with_graphics_device(graphics::strwidth("this is a sentence for title 2", units = "inches"))
   ),
   size = 0.5
 )

tests/testthat/test-independent-testing-rtf_strwidth.R

@@ -15,15 +15,15 @@ tbl <- df |>
 
 strw <- round(r2rtf:::rtf_strwidth(tbl), 5)
 
-size8italic <- round(with_graphics_device(graphics::strwidth(
+size8italic <- round(r2rtf:::with_graphics_device(graphics::strwidth(
   "This is a long sentence",
   units = "inches",
   cex = 2 / 3,
   font = 3,
   family = "Times"
 )), 5)
 
-bold <- round(with_graphics_device(graphics::strwidth(
+bold <- round(r2rtf:::with_graphics_device(graphics::strwidth(
   "third",
   units = "inches",
   cex = 2 / 3,