Added more glyphs

contrib/testdata/font/helminths.txt

@@ -0,0 +1,10 @@
+19 0 obj
+<</BaseFont/DXCOJF+TTE231A280t00/FontDescriptor 18 0 R/Type/Font
+/FirstChar 1/LastChar 75/Widths[ 317 526 713 582 207 207 375 244 207 394 319 713 489 244 394
+394 229 530 588 244 263 337 394 319 601 432 582 207 338 526 268
+531 526 526 526 638 526 244 531 244 821 544 250 489 530 229 846
+638 282 337 319 319 526 319 526 506 526 526 526 601 588 800 526
+207 526 563 450 638 582 394 846 789 530 413 450]
+/Encoding 58 0 R/Subtype/TrueType>>
+endobj
+ 

pdf/model/font_test.go

@@ -252,6 +252,26 @@ var charcodeBytesToUnicodeTest = []fontFragmentTest{
 			177, 151, 178, 179, 183, 185, 188, 205, 184, 189},
 		"‘ł’ “Ł” Ø `o´ it's ˝ˆ˜¯˘˙¨˚ˇªº‹ı›—–—†‡•„…˛¸‰",
 	},
+	fontFragmentTest{"A potpourri of glyph naming conventions",
+		"../../contrib/testdata/font/Ingmar.txt", 144,
+		[]byte{18, 20, 10, 11, 13, 14, 15, 16, 21, 22, 23, 25, 26, 27, 28, 29, 30,
+			31, 33, 12, 17, 19, 24},
+		"ʼ8ČŽĆřćĐĭűőftffiflfffičž!fbfkffl\u00a0",
+	},
+	fontFragmentTest{"Zapf Dingbats",
+		"../../contrib/testdata/font/estimation.txt", 122,
+		[]byte{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14},
+		"✏✮✁☛\x00\x00❄❍❥❇◆✟✙",
+	},
+	fontFragmentTest{"Found these by trial and error",
+		"../../contrib/testdata/font/helminths.txt", 19,
+		[]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+			20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+			32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
+			53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
+			75, 76, 77},
+		" *ﺏﻁﻝﺍﺔﻴﻠﻜ،ﺕﺭﺘﻌﻤﺎﺠﻲﻨﻘﺩﻬ/ﻙﻭﻕﺃﻡﻋﻓﺴ٢٠٣ﻯﻥﺒﺸﺌﺱﻷ,ﺯﺤﺄﻀـﺓﺫ.)٤(٩ل٥٧٨ﻸﻰ%١ﺇ٦ﺡﻫﻱﻅﻐﺼﻑﺨﺀﻊLM",
+	},
 }
 
 type fontFragmentTest struct {