Add tests for underline and strike though. More const.

src/pixie/fontformats/opentype.nim

@@ -889,7 +889,7 @@ const cffStandardStrings = [
   "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall", "001.000",
   "001.001", "001.002", "001.003", "Black", "Bold", "Book", "Light", "Medium", "Regular", "Roman", "Semibold"]
 
-let TOP_DICT_META = {
+const TOP_DICT_META = {
   0: "version",
   1: "notice",
   1200: "copyright",
@@ -922,7 +922,7 @@ let TOP_DICT_META = {
   1238: "fontName",
 }.toTable
 
-let PRIVATE_DICT_META = {
+const PRIVATE_DICT_META = {
   19: "subrs",
   20: "defaultWidthX",
   21: "nominalWidthX",

tests/test_fonts.nim

@@ -1004,7 +1004,6 @@ block:
 
   doDiff(image, "cff")
 
-
 block:
   var font = readFont("tests/fonts/NotoSansJP-Regular.ttf")
   font.size = 26
@@ -1013,3 +1012,23 @@ block:
   image.fillText(font, "仰コソ会票カク帰了ノ終準港みせス議徳モチタ提請ルまつ力路お")
 
   doDiff(image, "cff_jp")
+
+block:
+  var font = readFont("tests/fonts/Inter-Regular.ttf")
+  font.size = 26
+  font.underline = true
+  let image = newImage(800, 100)
+  image.fill(rgba(255, 255, 255, 255))
+  image.fillText(font, "Grumpy wizards make toxic brew for the evil Queen and Jack.")
+
+  doDiff(image, "cff_underline")
+
+block:
+  var font = readFont("tests/fonts/Inter-Regular.ttf")
+  font.size = 26
+  font.strikethrough = true
+  let image = newImage(800, 100)
+  image.fill(rgba(255, 255, 255, 255))
+  image.fillText(font, "Grumpy wizards make toxic brew for the evil Queen and Jack.")
+
+  doDiff(image, "cff_strikethrough")