minor modifications on LatinExtABCD; added support for unicode Currency Symbols

FontTestGDX/src/FontTestGDX.kt

@@ -31,6 +31,8 @@ class FontTestGDX : Game() {
     private val demotextName = if (testing) "testtext.txt" else "demotext.txt"
     private val outimageName = if (testing) "testing.PNG" else "demo.PNG"
 
+    private lateinit var faketex: Texture
+
     override fun create() {
         font = TerrarumSansBitmap("./assets", flipY = false, errorOnUnknownChar = false, shadowAlpha = 0.796f) // must test for two flipY cases
 
@@ -42,6 +44,11 @@ class FontTestGDX : Game() {
         batch = SpriteBatch()
 
 
+        // create faketex
+        val fakepix = Pixmap(1,1,Pixmap.Format.RGBA8888)
+        fakepix.drawPixel(0,0,-1)
+        faketex = Texture(fakepix)
+        fakepix.dispose()
 
 
         println(font.charsetOverrideDefault)
@@ -71,6 +78,8 @@ class FontTestGDX : Game() {
     var tex: Texture? = null
     var screenshotExported = false
 
+    private val backcol = Color(.141f, .141f, .141f, 1f)
+
     override fun render() {
 
         if (tex == null) {
@@ -88,7 +97,10 @@ class FontTestGDX : Game() {
             batch.projectionMatrix = camera.combined
             batch.begin()
 
-            batch.color = Color(-1)
+            batch.color = backcol
+            batch.draw(faketex, 0f, 0f, TEXW.toFloat(), TEXH.toFloat())
+
+            batch.color = Color.WHITE
             inputText.forEachIndexed { index, s ->
                 font.draw(batch, s, 10f, TEXH - 30f - index * font.lineHeight)
             }
@@ -142,6 +154,7 @@ class FontTestGDX : Game() {
 
     override fun dispose() {
         font.dispose()
+        faketex.dispose()
     }
 
     fun scrollAdd(x: Int = 1) {

demotext.txt

@@ -107,10 +107,10 @@ How multilingual? Real multilingual!
 
     Basic Latin   Latin-1 Supplement   Latin Extended-A   Latin Extended-B   IPA Extension   Greek   Cyrillic
     Cyrillic Supplement   Armenian   Devanagari   Bengali   Thai   Georgian   Hangul Jamo   Cherokee   Runic
-    Georgian Extended   Greek Extended   General Punctuations   Superscripts and Subscripts   CJK Symbols
+    Georgian Extended   Greek Extended   General Punctuations   Superscripts and Subscripts   Currency Symbols
-    Latin Extended-C   Kana   Hangul Compatibility Jamo   Kana Phonetic Extensions   CJK Unihan Extension A
+    CJK Symbols   Latin Extended-C   Kana   Hangul Compatibility Jamo   Kana Phonetic Extensions
-    CJK Unihan   Latin Extended-D   Hangul Jamo Extended-A   Hangul Syllables   Hangul Jamo Extended-B
+    CJK Unihan Extension A   CJK Unihan   Latin Extended-D   Hangul Jamo Extended-A   Hangul Syllables
-    Fullwidth Forms   Kana Supplement
+    Hangul Jamo Extended-B   Fullwidth Forms   Kana Supplement
 
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src/net/torvald/terrarumsansbitmap/gdx/TerrarumSansBitmap.kt

@@ -563,6 +563,8 @@ class TerrarumSansBitmap(
             return SHEET_EXTC_VARW
         else if (isExtD(c))
             return SHEET_EXTD_VARW
+        else if (isCurrencies(c))
+            return SHEET_CURRENCIES_VARW
         else
             return SHEET_UNKNOWN
         // fixed width
@@ -672,6 +674,10 @@ class TerrarumSansBitmap(
                 sheetX = extDIndexX(ch)
                 sheetY = extDIndexY(ch)
             }
+            SHEET_CURRENCIES_VARW -> {
+                sheetX = currenciesIndexX(ch)
+                sheetY = currenciesIndexY(ch)
+            }
             else -> {
                 sheetX = ch % 16
                 sheetY = ch / 16
@@ -1393,6 +1399,7 @@ class TerrarumSansBitmap(
         internal val SHEET_GREEK_POLY_VARW   = 25
         internal val SHEET_EXTC_VARW =         26
         internal val SHEET_EXTD_VARW =         27
+        internal val SHEET_CURRENCIES_VARW =   28
 
         internal val SHEET_UNKNOWN = 254
 
@@ -1434,7 +1441,8 @@ class TerrarumSansBitmap(
                 SHEET_DIACRITICAL_MARKS_VARW,
                 SHEET_GREEK_POLY_VARW,
                 SHEET_EXTC_VARW,
-                SHEET_EXTD_VARW
+                SHEET_EXTD_VARW,
+                SHEET_CURRENCIES_VARW
         )
         private val autoShiftDownOnLowercase = arrayOf(
                 SHEET_DIACRITICAL_MARKS_VARW
@@ -1468,7 +1476,8 @@ class TerrarumSansBitmap(
                 "diacritical_marks_variable.tga",
                 "greek_polytonic_xyswap_variable.tga",
                 "latinExtC_variable.tga",
-                "latinExtD_variable.tga"
+                "latinExtD_variable.tga",
+                "currencies_variable.tga"
         )
         private val codeRange = arrayOf( // MUST BE MATCHING WITH SHEET INDICES!!
                 0..0xFF, // SHEET_ASCII_VARW
@@ -1498,7 +1507,8 @@ class TerrarumSansBitmap(
                 0x300..0x36F, // SHEET_DIACRITICAL_MARKS_VARW
                 0x1F00..0x1FFF, // SHEET_GREEK_POLY_VARW
                 0x2C60..0x2C7F, // SHEET_EXTC_VARW
-                0xA720..0xA7FF // SHEET_EXTD_VARW
+                0xA720..0xA7FF, // SHEET_EXTD_VARW
+                0x20A0..0x20CF // SHEET_CURRENCIES_VARW
         )
         private val codeRangeHangulCompat = 0x3130..0x318F
 
@@ -1650,6 +1660,7 @@ class TerrarumSansBitmap(
         private fun isExtC(c: CodePoint) = c in codeRange[SHEET_EXTC_VARW]
         private fun isExtD(c: CodePoint) = c in codeRange[SHEET_EXTD_VARW]
         private fun isHangulCompat(c: CodePoint) = c in codeRangeHangulCompat
+        private fun isCurrencies(c: CodePoint) = c in codeRange[SHEET_CURRENCIES_VARW]
 
         // underscored name: not a charset
         private fun _isCaps(c: CodePoint) = Character.isUpperCase(c) || isKartvelianCaps(c)
@@ -1732,6 +1743,8 @@ class TerrarumSansBitmap(
         private fun extDIndexX(c: CodePoint) = (c - 0xA720) % 16
         private fun extDIndexY(c: CodePoint) = (c - 0xA720) / 16
 
+        private fun currenciesIndexX(c: CodePoint) = (c - 0x20A0) % 16
+        private fun currenciesIndexY(c: CodePoint) = (c - 0x20A0) / 16
         /*
 #!/usr/bin/python3