Add some CJK fonts for windows

examples/text/src/font/fallback/windows.rs

@@ -12,6 +12,24 @@ pub fn common_fallback() -> &'static [&'static str] {
     ]
 }
 
+fn han_unification(locale: &str) -> &'static [&'static str] {
+    //TODO!
+    match locale {
+        // Japan
+        "ja" => &[],
+        // Korea
+        "ko" => &[],
+        // China
+        "zh-CN" => &[],
+        // Hong Kong
+        "zh-HK" => &[],
+        // Taiwan
+        "zh-TW" => &[],
+        // Simplified Chinese is the default
+        _ => &[],
+    }
+}
+
 // Fallbacks to use per script
 pub fn script_fallback(script: &Script, locale: &str) -> &'static [&'static str] {
     //TODO: better match https://github.com/chromium/chromium/blob/master/third_party/blink/renderer/platform/fonts/win/font_fallback_win.cc#L99
@@ -20,10 +38,14 @@ pub fn script_fallback(script: &Script, locale: &str) -> &'static [&'static str]
         Script::Canadian_Aboriginal => &["Gadugi"],
         Script::Cherokee => &["Gadugi"],
         Script::Devanagari => &["Nirmala UI"],
+        Script::Ethiopic => &["Ebrima"],
         Script::Gujarati => &["Nirmala UI"],
         Script::Gurmukhi => &["Nirmala UI"],
+        Script::Han => han_unification(locale),
         Script::Hangul => &["Malgun Gothic"],
+        Script::Hiragana => &["Meiryo"]
         Script::Kannada => &["Nirmala UI"],
+        Script::Katakana => &["Meiryo"]
         Script::Khmer => &["Leelawadee UI"],
         Script::Lao => &["Leelawadee UI"],
         Script::Malayalam => &["Nirmala UI"],