Improve font bounds calculation

 # 1.3.3
 # 1.3.3
 * Fix dart lint warnings
 * Fix dart lint warnings
+* Improve font bounds calculation
 
 
 # 1.3.2
 # 1.3.2
 * Update Readme
 * Update Readme

@@ -34,6 +34,7 @@ part 'src/compatibility.dart';
 part 'src/document.dart';
 part 'src/document.dart';
 part 'src/font.dart';
 part 'src/font.dart';
 part 'src/font_descriptor.dart';
 part 'src/font_descriptor.dart';
+part 'src/font_metrics.dart';
 part 'src/formxobject.dart';
 part 'src/formxobject.dart';
 part 'src/graphics.dart';
 part 'src/graphics.dart';
 part 'src/image.dart';
 part 'src/image.dart';
@@ -52,5 +53,6 @@ part 'src/stream.dart';
 part 'src/ttf_parser.dart';
 part 'src/ttf_parser.dart';
 part 'src/ttffont.dart';
 part 'src/ttffont.dart';
 part 'src/type1_font.dart';
 part 'src/type1_font.dart';
+part 'src/type1_fonts.dart';
 part 'src/xobject.dart';
 part 'src/xobject.dart';
 part 'src/xref.dart';
 part 'src/xref.dart';

@@ -128,6 +128,11 @@ class PDFFont extends PdfFont {
     subtype ??= baseFont;
     subtype ??= baseFont;
     return PdfFont.helvetica(pdfDocument);
     return PdfFont.helvetica(pdfDocument);
   }
   }
+
+  @override
+  PdfFontMetrics glyphMetrics(int charCode) {
+    return PdfFontMetrics.zero;
+  }
 }
 }
 
 
 @deprecated
 @deprecated

@@ -16,7 +16,7 @@
 
 
 part of pdf;
 part of pdf;
 
 
-class PdfFont extends PdfObject {
+abstract class PdfFont extends PdfObject {
   /// Constructs a [PdfFont]. This will attempt to map the font from a known
   /// Constructs a [PdfFont]. This will attempt to map the font from a known
   /// font name to that in Pdf, defaulting to Helvetica if not possible.
   /// font name to that in Pdf, defaulting to Helvetica if not possible.
   ///
   ///
@@ -24,2647 +24,79 @@ class PdfFont extends PdfObject {
   /// @param subtype The pdf type, ie /Type1
   /// @param subtype The pdf type, ie /Type1
   /// @param baseFont The font name, ie /Helvetica
   /// @param baseFont The font name, ie /Helvetica
   PdfFont._create(PdfDocument pdfDocument, {@required this.subtype})
   PdfFont._create(PdfDocument pdfDocument, {@required this.subtype})
-      : super(pdfDocument, '/Font') {
+      : assert(subtype != null),
+        super(pdfDocument, '/Font') {
     pdfDocument.fonts.add(this);
     pdfDocument.fonts.add(this);
   }
   }
 
 
   factory PdfFont.courier(PdfDocument pdfDocument) {
   factory PdfFont.courier(PdfDocument pdfDocument) {
-    return PdfType1Font._create(pdfDocument, 'Courier', 0.910, -0.220,
-        List<double>.generate(256, (int index) => 0.600));
+    return PdfType1Font._create(
+        pdfDocument, 'Courier', 0.910, -0.220, const <double>[]);
   }
   }
 
 
   factory PdfFont.courierBold(PdfDocument pdfDocument) {
   factory PdfFont.courierBold(PdfDocument pdfDocument) {
-    return PdfType1Font._create(pdfDocument, 'Courier-Bold', 0.910, -0.220,
-        List<double>.generate(256, (int index) => 0.600));
+    return PdfType1Font._create(
+        pdfDocument, 'Courier-Bold', 0.910, -0.220, const <double>[]);
   }
   }
 
 
   factory PdfFont.courierBoldOblique(PdfDocument pdfDocument) {
   factory PdfFont.courierBoldOblique(PdfDocument pdfDocument) {
-    return PdfType1Font._create(pdfDocument, 'Courier-BoldOblique', 0.910,
-        -0.220, List<double>.generate(256, (int index) => 0.600));
+    return PdfType1Font._create(
+        pdfDocument, 'Courier-BoldOblique', 0.910, -0.220, const <double>[]);
   }
   }
 
 
   factory PdfFont.courierOblique(PdfDocument pdfDocument) {
   factory PdfFont.courierOblique(PdfDocument pdfDocument) {
-    return PdfType1Font._create(pdfDocument, 'Courier-Oblique', 0.910, -0.220,
-        List<double>.generate(256, (int index) => 0.600));
+    return PdfType1Font._create(
+        pdfDocument, 'Courier-Oblique', 0.910, -0.220, const <double>[]);
   }
   }
 
 
   factory PdfFont.helvetica(PdfDocument pdfDocument) {
   factory PdfFont.helvetica(PdfDocument pdfDocument) {
     return PdfType1Font._create(
     return PdfType1Font._create(
-        pdfDocument, 'Helvetica', 0.931, -0.225, const <double>[
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.278,
-      0.278,
-      0.355,
-      0.556,
-      0.556,
-      0.889,
-      0.667,
-      0.191,
-      0.333,
-      0.333,
-      0.389,
-      0.584,
-      0.278,
-      0.333,
-      0.278,
-      0.278,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.278,
-      0.278,
-      0.584,
-      0.584,
-      0.584,
-      0.556,
-      1.015,
-      0.667,
-      0.667,
-      0.722,
-      0.722,
-      0.667,
-      0.611,
-      0.778,
-      0.722,
-      0.278,
-      0.500,
-      0.667,
-      0.556,
-      0.833,
-      0.722,
-      0.778,
-      0.667,
-      0.778,
-      0.722,
-      0.667,
-      0.611,
-      0.722,
-      0.667,
-      0.944,
-      0.667,
-      0.667,
-      0.611,
-      0.278,
-      0.278,
-      0.277,
-      0.469,
-      0.556,
-      0.333,
-      0.556,
-      0.556,
-      0.500,
-      0.556,
-      0.556,
-      0.278,
-      0.556,
-      0.556,
-      0.222,
-      0.222,
-      0.500,
-      0.222,
-      0.833,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.333,
-      0.500,
-      0.278,
-      0.556,
-      0.500,
-      0.722,
-      0.500,
-      0.500,
-      0.500,
-      0.334,
-      0.260,
-      0.334,
-      0.584,
-      0.500,
-      0.655,
-      0.500,
-      0.222,
-      0.278,
-      0.333,
-      1.000,
-      0.556,
-      0.556,
-      0.333,
-      1.000,
-      0.667,
-      0.250,
-      1.000,
-      0.500,
-      0.611,
-      0.500,
-      0.500,
-      0.222,
-      0.221,
-      0.333,
-      0.333,
-      0.350,
-      0.556,
-      1.000,
-      0.333,
-      1.000,
-      0.500,
-      0.250,
-      0.938,
-      0.500,
-      0.500,
-      0.667,
-      0.278,
-      0.278,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.260,
-      0.556,
-      0.333,
-      0.737,
-      0.370,
-      0.448,
-      0.584,
-      0.333,
-      0.737,
-      0.333,
-      0.606,
-      0.584,
-      0.350,
-      0.350,
-      0.333,
-      0.556,
-      0.537,
-      0.278,
-      0.333,
-      0.350,
-      0.365,
-      0.448,
-      0.869,
-      0.869,
-      0.879,
-      0.556,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      1.000,
-      0.722,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.722,
-      0.722,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.584,
-      0.778,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.667,
-      0.666,
-      0.611,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.896,
-      0.500,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.251,
-      0.251,
-      0.251,
-      0.251,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.584,
-      0.611,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.500,
-      0.555,
-      0.500
-    ]);
+        pdfDocument, 'Helvetica', 0.931, -0.225, _helveticaWidths);
   }
   }
 
 
   factory PdfFont.helveticaBold(PdfDocument pdfDocument) {
   factory PdfFont.helveticaBold(PdfDocument pdfDocument) {
     return PdfType1Font._create(
     return PdfType1Font._create(
-        pdfDocument, 'Helvetica-Bold', 0.962, -0.228, const <double>[
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.333,
-      0.474,
-      0.556,
-      0.556,
-      0.889,
-      0.722,
-      0.238,
-      0.333,
-      0.333,
-      0.389,
-      0.584,
-      0.278,
-      0.333,
-      0.278,
-      0.278,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.333,
-      0.333,
-      0.584,
-      0.584,
-      0.584,
-      0.611,
-      0.975,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.667,
-      0.611,
-      0.778,
-      0.722,
-      0.278,
-      0.556,
-      0.722,
-      0.611,
-      0.833,
-      0.722,
-      0.778,
-      0.667,
-      0.778,
-      0.722,
-      0.667,
-      0.611,
-      0.722,
-      0.667,
-      0.944,
-      0.667,
-      0.667,
-      0.611,
-      0.333,
-      0.278,
-      0.333,
-      0.584,
-      0.556,
-      0.333,
-      0.556,
-      0.611,
-      0.556,
-      0.611,
-      0.556,
-      0.333,
-      0.611,
-      0.611,
-      0.278,
-      0.278,
-      0.556,
-      0.278,
-      0.889,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.389,
-      0.556,
-      0.333,
-      0.611,
-      0.556,
-      0.778,
-      0.556,
-      0.556,
-      0.500,
-      0.389,
-      0.280,
-      0.389,
-      0.584,
-      0.350,
-      0.556,
-      0.350,
-      0.278,
-      0.556,
-      0.500,
-      1.000,
-      0.556,
-      0.556,
-      0.333,
-      1.000,
-      0.667,
-      0.333,
-      1.000,
-      0.350,
-      0.611,
-      0.350,
-      0.350,
-      0.278,
-      0.278,
-      0.500,
-      0.500,
-      0.350,
-      0.556,
-      1.000,
-      0.333,
-      1.000,
-      0.556,
-      0.333,
-      0.944,
-      0.350,
-      0.500,
-      0.667,
-      0.278,
-      0.333,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.280,
-      0.556,
-      0.333,
-      0.737,
-      0.370,
-      0.556,
-      0.584,
-      0.333,
-      0.737,
-      0.333,
-      0.400,
-      0.584,
-      0.333,
-      0.333,
-      0.333,
-      0.611,
-      0.556,
-      0.278,
-      0.333,
-      0.333,
-      0.365,
-      0.556,
-      0.834,
-      0.834,
-      0.834,
-      0.611,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      1.000,
-      0.722,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.722,
-      0.722,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.584,
-      0.778,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.667,
-      0.667,
-      0.611,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.889,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.584,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.556,
-      0.611,
-      0.556
-    ]);
+        pdfDocument, 'Helvetica-Bold', 0.962, -0.228, _helveticaBoldWidths);
   }
   }
 
 
   factory PdfFont.helveticaBoldOblique(PdfDocument pdfDocument) {
   factory PdfFont.helveticaBoldOblique(PdfDocument pdfDocument) {
-    return PdfType1Font._create(
-        pdfDocument, 'Helvetica-BoldOblique', 0.962, -0.228, const <double>[
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.333,
-      0.474,
-      0.556,
-      0.556,
-      0.889,
-      0.722,
-      0.238,
-      0.333,
-      0.333,
-      0.389,
-      0.584,
-      0.278,
-      0.333,
-      0.278,
-      0.278,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.333,
-      0.333,
-      0.584,
-      0.584,
-      0.584,
-      0.611,
-      0.975,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.667,
-      0.611,
-      0.778,
-      0.722,
-      0.278,
-      0.556,
-      0.722,
-      0.611,
-      0.833,
-      0.722,
-      0.778,
-      0.667,
-      0.778,
-      0.722,
-      0.667,
-      0.611,
-      0.722,
-      0.667,
-      0.944,
-      0.667,
-      0.667,
-      0.611,
-      0.333,
-      0.278,
-      0.333,
-      0.584,
-      0.556,
-      0.333,
-      0.556,
-      0.611,
-      0.556,
-      0.611,
-      0.556,
-      0.333,
-      0.611,
-      0.611,
-      0.278,
-      0.278,
-      0.556,
-      0.278,
-      0.889,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.389,
-      0.556,
-      0.333,
-      0.611,
-      0.556,
-      0.778,
-      0.556,
-      0.556,
-      0.500,
-      0.389,
-      0.280,
-      0.389,
-      0.584,
-      0.350,
-      0.556,
-      0.350,
-      0.278,
-      0.556,
-      0.500,
-      1.000,
-      0.556,
-      0.556,
-      0.333,
-      1.000,
-      0.667,
-      0.333,
-      1.000,
-      0.350,
-      0.611,
-      0.350,
-      0.350,
-      0.278,
-      0.278,
-      0.500,
-      0.500,
-      0.350,
-      0.556,
-      1.000,
-      0.333,
-      1.000,
-      0.556,
-      0.333,
-      0.944,
-      0.350,
-      0.500,
-      0.667,
-      0.278,
-      0.333,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.280,
-      0.556,
-      0.333,
-      0.737,
-      0.370,
-      0.556,
-      0.584,
-      0.333,
-      0.737,
-      0.333,
-      0.400,
-      0.584,
-      0.333,
-      0.333,
-      0.333,
-      0.611,
-      0.556,
-      0.278,
-      0.333,
-      0.333,
-      0.365,
-      0.556,
-      0.834,
-      0.834,
-      0.834,
-      0.611,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      1.000,
-      0.722,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.722,
-      0.722,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.584,
-      0.778,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.667,
-      0.667,
-      0.611,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.889,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.584,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.556,
-      0.611,
-      0.556
-    ]);
+    return PdfType1Font._create(pdfDocument, 'Helvetica-BoldOblique', 0.962,
+        -0.228, _helveticaBoldObliqueWidths);
   }
   }
 
 
   factory PdfFont.helveticaOblique(PdfDocument pdfDocument) {
   factory PdfFont.helveticaOblique(PdfDocument pdfDocument) {
-    return PdfType1Font._create(
-        pdfDocument, 'Helvetica-Oblique', 0.931, -0.225, <double>[
-      0.278,
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-      0.278,
-      0.278,
-      0.278,
-      0.278,
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-      0.278,
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-      0.333,
-      0.333,
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-      0.537,
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-      0.333,
-      0.333,
-      0.365,
-      0.556,
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-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      1.000,
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-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.722,
-      0.722,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.584,
-      0.778,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.667,
-      0.667,
-      0.611,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.889,
-      0.500,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.584,
-      0.611,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.500,
-      0.556,
-      0.500
-    ]);
+    return PdfType1Font._create(pdfDocument, 'Helvetica-Oblique', 0.931, -0.225,
+        _helveticaObliqueWidths);
   }
   }
 
 
   factory PdfFont.times(PdfDocument pdfDocument) {
   factory PdfFont.times(PdfDocument pdfDocument) {
     return PdfType1Font._create(
     return PdfType1Font._create(
-        pdfDocument, 'Times-Roman', 0.898, -0.218, <double>[
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.333,
-      0.408,
-      0.500,
-      0.500,
-      0.833,
-      0.778,
-      0.180,
-      0.333,
-      0.333,
-      0.500,
-      0.564,
-      0.250,
-      0.333,
-      0.250,
-      0.278,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.278,
-      0.278,
-      0.564,
-      0.564,
-      0.564,
-      0.444,
-      0.921,
-      0.722,
-      0.667,
-      0.667,
-      0.722,
-      0.611,
-      0.556,
-      0.722,
-      0.722,
-      0.333,
-      0.389,
-      0.722,
-      0.611,
-      0.889,
-      0.722,
-      0.722,
-      0.556,
-      0.722,
-      0.667,
-      0.556,
-      0.611,
-      0.722,
-      0.722,
-      0.944,
-      0.722,
-      0.722,
-      0.611,
-      0.333,
-      0.278,
-      0.333,
-      0.469,
-      0.500,
-      0.333,
-      0.444,
-      0.500,
-      0.444,
-      0.500,
-      0.444,
-      0.333,
-      0.500,
-      0.500,
-      0.278,
-      0.278,
-      0.500,
-      0.278,
-      0.778,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.333,
-      0.389,
-      0.278,
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-      0.500,
-      0.500,
-      0.333,
-      1.000,
-      0.556,
-      0.333,
-      0.889,
-      0.350,
-      0.611,
-      0.350,
-      0.350,
-      0.333,
-      0.333,
-      0.444,
-      0.444,
-      0.350,
-      0.500,
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-      0.980,
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-      0.333,
-      0.722,
-      0.350,
-      0.444,
-      0.722,
-      0.250,
-      0.333,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.200,
-      0.500,
-      0.333,
-      0.760,
-      0.276,
-      0.500,
-      0.564,
-      0.333,
-      0.760,
-      0.333,
-      0.400,
-      0.564,
-      0.300,
-      0.300,
-      0.333,
-      0.500,
-      0.453,
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-      0.300,
-      0.310,
-      0.500,
-      0.750,
-      0.750,
-      0.750,
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-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.889,
-      0.667,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.333,
-      0.333,
-      0.333,
-      0.333,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.564,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.556,
-      0.500,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.667,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.564,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500
-    ]);
+        pdfDocument, 'Times-Roman', 0.898, -0.218, _timesWidths);
   }
   }
 
 
   factory PdfFont.timesBold(PdfDocument pdfDocument) {
   factory PdfFont.timesBold(PdfDocument pdfDocument) {
     return PdfType1Font._create(
     return PdfType1Font._create(
-        pdfDocument, 'Times-Bold', 0.935, -0.218, <double>[
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.333,
-      0.555,
-      0.500,
-      0.500,
-      1.000,
-      0.833,
-      0.278,
-      0.333,
-      0.333,
-      0.500,
-      0.570,
-      0.250,
-      0.333,
-      0.250,
-      0.278,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.333,
-      0.333,
-      0.570,
-      0.570,
-      0.570,
-      0.500,
-      0.930,
-      0.722,
-      0.667,
-      0.722,
-      0.722,
-      0.667,
-      0.611,
-      0.778,
-      0.778,
-      0.389,
-      0.500,
-      0.778,
-      0.667,
-      0.944,
-      0.722,
-      0.778,
-      0.611,
-      0.778,
-      0.722,
-      0.556,
-      0.667,
-      0.722,
-      0.722,
-      1.000,
-      0.722,
-      0.722,
-      0.667,
-      0.333,
-      0.278,
-      0.333,
-      0.581,
-      0.500,
-      0.333,
-      0.500,
-      0.556,
-      0.444,
-      0.556,
-      0.444,
-      0.333,
-      0.500,
-      0.556,
-      0.278,
-      0.333,
-      0.556,
-      0.278,
-      0.833,
-      0.556,
-      0.500,
-      0.556,
-      0.556,
-      0.444,
-      0.389,
-      0.333,
-      0.556,
-      0.500,
-      0.722,
-      0.500,
-      0.500,
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-      0.394,
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-      0.350,
-      0.333,
-      0.500,
-      0.500,
-      1.000,
-      0.500,
-      0.500,
-      0.333,
-      1.000,
-      0.556,
-      0.333,
-      1.000,
-      0.350,
-      0.667,
-      0.350,
-      0.350,
-      0.333,
-      0.333,
-      0.500,
-      0.500,
-      0.350,
-      0.500,
-      1.000,
-      0.333,
-      1.000,
-      0.389,
-      0.333,
-      0.722,
-      0.350,
-      0.444,
-      0.722,
-      0.250,
-      0.333,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.220,
-      0.500,
-      0.333,
-      0.747,
-      0.300,
-      0.500,
-      0.570,
-      0.333,
-      0.747,
-      0.333,
-      0.400,
-      0.570,
-      0.300,
-      0.300,
-      0.333,
-      0.556,
-      0.540,
-      0.250,
-      0.333,
-      0.300,
-      0.330,
-      0.500,
-      0.750,
-      0.750,
-      0.750,
-      0.500,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      1.000,
-      0.722,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.389,
-      0.389,
-      0.389,
-      0.389,
-      0.722,
-      0.722,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.778,
-      0.570,
-      0.778,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.611,
-      0.556,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.722,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.500,
-      0.556,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.570,
-      0.500,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.500,
-      0.556,
-      0.500
-    ]);
+        pdfDocument, 'Times-Bold', 0.935, -0.218, _timesBoldWidths);
   }
   }
 
 
   factory PdfFont.timesBoldItalic(PdfDocument pdfDocument) {
   factory PdfFont.timesBoldItalic(PdfDocument pdfDocument) {
     return PdfType1Font._create(
     return PdfType1Font._create(
-        pdfDocument, 'Times-BoldItalic', 0.921, -0.218, <double>[
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.389,
-      0.555,
-      0.500,
-      0.500,
-      0.833,
-      0.778,
-      0.278,
-      0.333,
-      0.333,
-      0.500,
-      0.570,
-      0.250,
-      0.333,
-      0.250,
-      0.278,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.333,
-      0.333,
-      0.570,
-      0.570,
-      0.570,
-      0.500,
-      0.832,
-      0.667,
-      0.667,
-      0.667,
-      0.722,
-      0.667,
-      0.667,
-      0.722,
-      0.778,
-      0.389,
-      0.500,
-      0.667,
-      0.611,
-      0.889,
-      0.722,
-      0.722,
-      0.611,
-      0.722,
-      0.667,
-      0.556,
-      0.611,
-      0.722,
-      0.667,
-      0.889,
-      0.667,
-      0.611,
-      0.611,
-      0.333,
-      0.278,
-      0.333,
-      0.570,
-      0.500,
-      0.333,
-      0.500,
-      0.500,
-      0.444,
-      0.500,
-      0.444,
-      0.333,
-      0.500,
-      0.556,
-      0.278,
-      0.278,
-      0.500,
-      0.278,
-      0.778,
-      0.556,
-      0.500,
-      0.500,
-      0.500,
-      0.389,
-      0.389,
-      0.278,
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-      0.348,
-      0.220,
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-      0.333,
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-      0.500,
-      1.000,
-      0.500,
-      0.500,
-      0.333,
-      1.000,
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-      0.333,
-      0.944,
-      0.350,
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-      0.350,
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-      0.333,
-      0.500,
-      0.500,
-      0.350,
-      0.500,
-      1.000,
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-      1.000,
-      0.389,
-      0.333,
-      0.722,
-      0.350,
-      0.389,
-      0.611,
-      0.250,
-      0.389,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.220,
-      0.500,
-      0.333,
-      0.747,
-      0.266,
-      0.500,
-      0.606,
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-      0.333,
-      0.400,
-      0.570,
-      0.300,
-      0.300,
-      0.333,
-      0.576,
-      0.500,
-      0.250,
-      0.333,
-      0.300,
-      0.300,
-      0.500,
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-      0.750,
-      0.750,
-      0.500,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.944,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.667,
-      0.389,
-      0.389,
-      0.389,
-      0.389,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.570,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.611,
-      0.611,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.722,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.500,
-      0.556,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.570,
-      0.500,
-      0.556,
-      0.556,
-      0.556,
-      0.556,
-      0.444,
-      0.500,
-      0.444
-    ]);
+        pdfDocument, 'Times-BoldItalic', 0.921, -0.218, _timesBoldItalicWidths);
   }
   }
 
 
   factory PdfFont.timesItalic(PdfDocument pdfDocument) {
   factory PdfFont.timesItalic(PdfDocument pdfDocument) {
     return PdfType1Font._create(
     return PdfType1Font._create(
-        pdfDocument, 'Times-Italic', 0.883, -0.217, <double>[
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.250,
-      0.333,
-      0.420,
-      0.500,
-      0.500,
-      0.833,
-      0.778,
-      0.214,
-      0.333,
-      0.333,
-      0.500,
-      0.675,
-      0.250,
-      0.333,
-      0.250,
-      0.278,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.333,
-      0.333,
-      0.675,
-      0.675,
-      0.675,
-      0.500,
-      0.920,
-      0.611,
-      0.611,
-      0.667,
-      0.722,
-      0.611,
-      0.611,
-      0.722,
-      0.722,
-      0.333,
-      0.444,
-      0.667,
-      0.556,
-      0.833,
-      0.667,
-      0.722,
-      0.611,
-      0.722,
-      0.611,
-      0.500,
-      0.556,
-      0.722,
-      0.611,
-      0.833,
-      0.611,
-      0.556,
-      0.556,
-      0.389,
-      0.278,
-      0.389,
-      0.422,
-      0.500,
-      0.333,
-      0.500,
-      0.500,
-      0.444,
-      0.500,
-      0.444,
-      0.278,
-      0.500,
-      0.500,
-      0.278,
-      0.278,
-      0.444,
-      0.278,
-      0.722,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.389,
-      0.389,
-      0.278,
-      0.500,
-      0.444,
-      0.667,
-      0.444,
-      0.444,
-      0.389,
-      0.400,
-      0.275,
-      0.400,
-      0.541,
-      0.350,
-      0.500,
-      0.350,
-      0.333,
-      0.500,
-      0.556,
-      0.889,
-      0.500,
-      0.500,
-      0.333,
-      1.000,
-      0.500,
-      0.333,
-      0.944,
-      0.350,
-      0.556,
-      0.350,
-      0.350,
-      0.333,
-      0.333,
-      0.556,
-      0.556,
-      0.350,
-      0.500,
-      0.889,
-      0.333,
-      0.980,
-      0.389,
-      0.333,
-      0.667,
-      0.350,
-      0.389,
-      0.556,
-      0.250,
-      0.389,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.275,
-      0.500,
-      0.333,
-      0.760,
-      0.276,
-      0.500,
-      0.675,
-      0.333,
-      0.760,
-      0.333,
-      0.400,
-      0.675,
-      0.300,
-      0.300,
-      0.333,
-      0.500,
-      0.523,
-      0.250,
-      0.333,
-      0.300,
-      0.310,
-      0.500,
-      0.750,
-      0.750,
-      0.750,
-      0.500,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.889,
-      0.667,
-      0.611,
-      0.611,
-      0.611,
-      0.611,
-      0.333,
-      0.333,
-      0.333,
-      0.333,
-      0.722,
-      0.667,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.675,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.722,
-      0.556,
-      0.611,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.667,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.444,
-      0.278,
-      0.278,
-      0.278,
-      0.278,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.675,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.444,
-      0.500,
-      0.444
-    ]);
+        pdfDocument, 'Times-Italic', 0.883, -0.217, _timesItalicWidths);
   }
   }
 
 
   factory PdfFont.symbol(PdfDocument pdfDocument) {
   factory PdfFont.symbol(PdfDocument pdfDocument) {
-    return PdfType1Font._create(pdfDocument, 'Symbol', 1.010, -0.293, <double>[
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.250,
-      0.333,
-      0.713,
-      0.500,
-      0.549,
-      0.833,
-      0.778,
-      0.439,
-      0.333,
-      0.333,
-      0.500,
-      0.549,
-      0.250,
-      0.549,
-      0.250,
-      0.278,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.500,
-      0.278,
-      0.278,
-      0.549,
-      0.549,
-      0.549,
-      0.444,
-      0.549,
-      0.722,
-      0.667,
-      0.722,
-      0.612,
-      0.611,
-      0.763,
-      0.603,
-      0.722,
-      0.333,
-      0.631,
-      0.722,
-      0.686,
-      0.889,
-      0.722,
-      0.722,
-      0.768,
-      0.741,
-      0.556,
-      0.592,
-      0.611,
-      0.690,
-      0.439,
-      0.768,
-      0.645,
-      0.795,
-      0.611,
-      0.333,
-      0.863,
-      0.333,
-      0.658,
-      0.500,
-      0.500,
-      0.631,
-      0.549,
-      0.549,
-      0.494,
-      0.439,
-      0.521,
-      0.411,
-      0.603,
-      0.329,
-      0.603,
-      0.549,
-      0.549,
-      0.576,
-      0.521,
-      0.549,
-      0.549,
-      0.521,
-      0.549,
-      0.603,
-      0.439,
-      0.576,
-      0.713,
-      0.686,
-      0.493,
-      0.686,
-      0.494,
-      0.480,
-      0.200,
-      0.480,
-      0.549,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.587,
-      0.750,
-      0.620,
-      0.247,
-      0.549,
-      0.167,
-      0.713,
-      0.500,
-      0.753,
-      0.753,
-      0.753,
-      0.753,
-      1.042,
-      0.987,
-      0.603,
-      0.987,
-      0.603,
-      0.400,
-      0.549,
-      0.411,
-      0.549,
-      0.549,
-      0.713,
-      0.494,
-      0.460,
-      0.549,
-      0.549,
-      0.549,
-      0.549,
-      1.000,
-      0.603,
-      1.000,
-      0.658,
-      0.823,
-      0.686,
-      0.795,
-      0.987,
-      0.768,
-      0.768,
-      0.823,
-      0.768,
-      0.768,
-      0.713,
-      0.713,
-      0.713,
-      0.713,
-      0.713,
-      0.713,
-      0.713,
-      0.768,
-      0.713,
-      0.790,
-      0.790,
-      0.890,
-      0.823,
-      0.549,
-      0.250,
-      0.713,
-      0.603,
-      0.603,
-      1.042,
-      0.987,
-      0.603,
-      0.987,
-      0.603,
-      0.494,
-      0.329,
-      0.790,
-      0.790,
-      0.786,
-      0.713,
-      0.384,
-      0.384,
-      0.384,
-      0.384,
-      0.384,
-      0.384,
-      0.494,
-      0.494,
-      0.494,
-      0.494,
-      0.587,
-      0.329,
-      0.274,
-      0.686,
-      0.686,
-      0.686,
-      0.384,
-      0.384,
-      0.384,
-      0.384,
-      0.384,
-      0.384,
-      0.494,
-      0.494,
-      0.494,
-      0.587
-    ]);
+    return PdfType1Font._create(
+        pdfDocument, 'Symbol', 1.010, -0.293, _symbolWidths);
   }
   }
 
 
   factory PdfFont.zapfDingbats(PdfDocument pdfDocument) {
   factory PdfFont.zapfDingbats(PdfDocument pdfDocument) {
     return PdfType1Font._create(
     return PdfType1Font._create(
-        pdfDocument, 'ZapfDingbats', 0.820, -0.143, <double>[
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.278,
-      0.974,
-      0.961,
-      0.974,
-      0.980,
-      0.719,
-      0.789,
-      0.790,
-      0.791,
-      0.690,
-      0.960,
-      0.939,
-      0.549,
-      0.855,
-      0.911,
-      0.933,
-      0.911,
-      0.945,
-      0.974,
-      0.755,
-      0.846,
-      0.762,
-      0.761,
-      0.571,
-      0.677,
-      0.763,
-      0.760,
-      0.759,
-      0.754,
-      0.494,
-      0.552,
-      0.537,
-      0.577,
-      0.692,
-      0.786,
-      0.788,
-      0.788,
-      0.790,
-      0.793,
-      0.794,
-      0.816,
-      0.823,
-      0.789,
-      0.841,
-      0.823,
-      0.833,
-      0.816,
-      0.831,
-      0.923,
-      0.744,
-      0.723,
-      0.749,
-      0.790,
-      0.792,
-      0.695,
-      0.776,
-      0.768,
-      0.792,
-      0.759,
-      0.707,
-      0.708,
-      0.682,
-      0.701,
-      0.826,
-      0.815,
-      0.789,
-      0.789,
-      0.707,
-      0.687,
-      0.696,
-      0.689,
-      0.786,
-      0.787,
-      0.713,
-      0.791,
-      0.785,
-      0.791,
-      0.873,
-      0.761,
-      0.762,
-      0.762,
-      0.759,
-      0.759,
-      0.892,
-      0.892,
-      0.788,
-      0.784,
-      0.438,
-      0.138,
-      0.277,
-      0.415,
-      0.392,
-      0.392,
-      0.668,
-      0.668,
-      0.746,
-      0.390,
-      0.390,
-      0.317,
-      0.317,
-      0.276,
-      0.276,
-      0.509,
-      0.509,
-      0.410,
-      0.410,
-      0.234,
-      0.234,
-      0.334,
-      0.334,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.746,
-      0.732,
-      0.544,
-      0.544,
-      0.910,
-      0.667,
-      0.760,
-      0.760,
-      0.776,
-      0.595,
-      0.694,
-      0.626,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.788,
-      0.894,
-      0.838,
-      1.016,
-      0.458,
-      0.748,
-      0.924,
-      0.748,
-      0.918,
-      0.927,
-      0.928,
-      0.928,
-      0.834,
-      0.873,
-      0.828,
-      0.924,
-      0.924,
-      0.917,
-      0.930,
-      0.931,
-      0.463,
-      0.883,
-      0.836,
-      0.836,
-      0.867,
-      0.867,
-      0.696,
-      0.696,
-      0.874,
-      0.746,
-      0.874,
-      0.760,
-      0.946,
-      0.771,
-      0.865,
-      0.771,
-      0.888,
-      0.967,
-      0.888,
-      0.831,
-      0.873,
-      0.927,
-      0.970,
-      0.918,
-      0.746
-    ]);
+        pdfDocument, 'ZapfDingbats', 0.820, -0.143, _zapfDingbatsWidths);
   }
   }
 
 
   /// The df type of the font, usually /Type1
   /// The df type of the font, usually /Type1
@@ -2674,6 +106,12 @@ class PdfFont extends PdfObject {
 
 
   String get fontName => null;
   String get fontName => null;
 
 
+  double get ascent => null;
+
+  double get descent => null;
+
+  static const double defaultGlyphWidth = 0.600;
+
   /// @param os OutputStream to send the object to
   /// @param os OutputStream to send the object to
   @override
   @override
   void _prepare() {
   void _prepare() {
@@ -2684,58 +122,35 @@ class PdfFont extends PdfObject {
     params['/Encoding'] = PdfStream.string('/WinAnsiEncoding');
     params['/Encoding'] = PdfStream.string('/WinAnsiEncoding');
   }
   }
 
 
-  double glyphAdvance(int charCode) {
-    return 0.454;
-  }
+  // Use glyphMetrics instead
+  @deprecated
+  double glyphAdvance(int charCode) => glyphMetrics(charCode).advanceWidth;
 
 
-  PdfRect glyphBounds(int charCode) {
-    return PdfRect(0.0, 0.0, glyphAdvance(charCode), 1.0);
-  }
+  PdfFontMetrics glyphMetrics(int charCode);
 
 
-  PdfRect stringBounds(String s) {
-    final Uint8List chars = latin1.encode(s);
+  // Use glyphMetrics instead
+  @deprecated
+  PdfRect glyphBounds(int charCode) => glyphMetrics(charCode).toPdfRect();
 
 
-    if (chars.isEmpty) {
-      return const PdfRect(0.0, 0.0, 0.0, 0.0);
+  PdfFontMetrics stringMetrics(String s) {
+    if (s.isEmpty) {
+      return PdfFontMetrics.zero;
     }
     }
 
 
-    int n = 0;
-    int c = chars[n];
-    PdfRect r = glyphBounds(c);
-    final double x = r.x;
-    double y = r.y;
-    double h = r.height;
-    double w = n == chars.length - 1 ? r.width : glyphAdvance(c);
-
-    while (++n < chars.length) {
-      c = chars[n];
-      r = glyphBounds(c);
-      if (r.y < y) {
-        y = r.y;
-      }
-      if (r.height > h) {
-        h = r.height;
-      }
-      w += n == chars.length - 1 ? r.width : glyphAdvance(c);
+    final Uint8List chars = latin1.encode(s);
+    final Iterable<PdfFontMetrics> metrics = chars.map(glyphMetrics);
+    return PdfFontMetrics.append(metrics);
   }
   }
 
 
-    return PdfRect(x, y, w, h);
-  }
+  // Use stringMetrics instead
+  @deprecated
+  PdfRect stringBounds(String s) => stringMetrics(s).toPdfRect();
 
 
   PdfPoint stringSize(String s) {
   PdfPoint stringSize(String s) {
-    final Uint8List chars = latin1.encode(s);
-
-    double w = 0.0;
-    double h = 0.0;
-
-    for (int c in chars) {
-      final PdfRect r = glyphBounds(c);
-      if (r.height > h) {
-        h = r.height;
-      }
-      w += glyphAdvance(c);
+    final PdfFontMetrics metrics = stringMetrics(s);
+    return PdfPoint(metrics.width, metrics.height);
   }
   }
 
 
-    return PdfPoint(w, h);
-  }
+  @override
+  String toString() => 'Font($fontName)';
 }
 }

@@ -28,18 +28,18 @@ class PdfFontDescriptor extends PdfObject {
   void _prepare() {
   void _prepare() {
     super._prepare();
     super._prepare();
 
 
-    params['/FontName'] = PdfStream.string(ttfFont.fontName);
+    params['/FontName'] = PdfStream.string('/' + ttfFont.fontName);
     params['/FontFile2'] = file.ref();
     params['/FontFile2'] = file.ref();
     params['/Flags'] = PdfStream.intNum(32);
     params['/Flags'] = PdfStream.intNum(32);
     params['/FontBBox'] = PdfStream()
     params['/FontBBox'] = PdfStream()
       ..putIntArray(<int>[
       ..putIntArray(<int>[
-        ttfFont.font.xMin,
-        ttfFont.font.yMin,
-        ttfFont.font.xMax,
-        ttfFont.font.yMax
+        (ttfFont.font.xMin / ttfFont.font.unitsPerEm * 1000).toInt(),
+        (ttfFont.font.yMin / ttfFont.font.unitsPerEm * 1000).toInt(),
+        (ttfFont.font.xMax / ttfFont.font.unitsPerEm * 1000).toInt(),
+        (ttfFont.font.yMax / ttfFont.font.unitsPerEm * 1000).toInt()
       ]);
       ]);
-    params['/Ascent'] = PdfStream.intNum(ttfFont.font.ascent);
-    params['/Descent'] = PdfStream.intNum(ttfFont.font.descent);
+    params['/Ascent'] = PdfStream.intNum((ttfFont.ascent * 1000).toInt());
+    params['/Descent'] = PdfStream.intNum((ttfFont.descent * 1000).toInt());
     params['/ItalicAngle'] = PdfStream.intNum(0);
     params['/ItalicAngle'] = PdfStream.intNum(0);
     params['/CapHeight'] = PdfStream.intNum(10);
     params['/CapHeight'] = PdfStream.intNum(10);
     params['/StemV'] = PdfStream.intNum(79);
     params['/StemV'] = PdfStream.intNum(79);

+/*
+ * Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+part of pdf;
+
+@immutable
+class PdfFontMetrics {
+  const PdfFontMetrics(
+      {@required this.left,
+      @required this.top,
+      @required this.right,
+      @required this.bottom,
+      double ascent,
+      double descent,
+      double advanceWidth})
+      : ascent = ascent ?? bottom,
+        descent = descent ?? top,
+        advanceWidth = advanceWidth ?? right - left,
+        assert(left != null),
+        assert(top != null),
+        assert(right != null),
+        assert(bottom != null),
+        assert(left <= right),
+        assert(top <= bottom),
+        assert((descent ?? top) <= (ascent ?? bottom));
+
+  factory PdfFontMetrics.append(Iterable<PdfFontMetrics> metrics) {
+    if (metrics.isEmpty) {
+      return PdfFontMetrics.zero;
+    }
+
+    double left;
+    double top;
+    double right = 0.0;
+    double bottom;
+    double ascent;
+    double descent;
+    double lastBearing;
+
+    for (PdfFontMetrics metric in metrics) {
+      left ??= metric.left;
+      right += metric.advanceWidth;
+      lastBearing = metric.rightBearing;
+
+      top = math.min(top ?? metric.top, metric.top);
+      bottom = math.max(bottom ?? metric.bottom, metric.bottom);
+      descent = math.min(descent ?? metric.descent, metric.descent);
+      ascent = math.max(ascent ?? metric.ascent, metric.ascent);
+    }
+
+    return PdfFontMetrics(
+        left: left,
+        top: top,
+        right: right - lastBearing,
+        bottom: bottom,
+        ascent: ascent,
+        descent: descent,
+        advanceWidth: right);
+  }
+
+  static const PdfFontMetrics zero =
+      PdfFontMetrics(left: 0.0, top: 0.0, right: 0.0, bottom: 0.0);
+
+  final double left;
+
+  final double top;
+
+  final double bottom;
+
+  final double right;
+
+  final double ascent;
+
+  final double descent;
+
+  final double advanceWidth;
+
+  double get width => right - left;
+
+  double get height => bottom - top;
+
+  double get maxHeight => ascent - descent;
+
+  double get maxWidth =>
+      math.max(advanceWidth, right) + math.max(-leftBearing, 0.0);
+
+  double get effectiveLeft => math.min(leftBearing, 0.0);
+
+  double get leftBearing => left;
+
+  double get rightBearing => advanceWidth - right;
+
+  @override
+  String toString() =>
+      'PdfFontMetrics(left:$left, top:$top, right:$right, bottom:$bottom, ascent:$ascent, descent:$descent, advanceWidth:$advanceWidth)';
+
+  PdfFontMetrics copyWith(
+      {double left,
+      double top,
+      double right,
+      double bottom,
+      double ascent,
+      double descent,
+      double advanceWidth}) {
+    return PdfFontMetrics(
+        left: left ?? this.left,
+        top: top ?? this.top,
+        right: right ?? this.right,
+        bottom: bottom ?? this.bottom,
+        ascent: ascent ?? this.ascent,
+        descent: descent ?? this.descent,
+        advanceWidth: advanceWidth ?? this.advanceWidth);
+  }
+
+  PdfFontMetrics operator *(double factor) {
+    return copyWith(
+      left: left * factor,
+      top: top * factor,
+      right: right * factor,
+      bottom: bottom * factor,
+      ascent: ascent * factor,
+      descent: descent * factor,
+      advanceWidth: advanceWidth * factor,
+    );
+  }
+
+  PdfRect toPdfRect() => PdfRect.fromLTRB(left, top, right, bottom);
+}

@@ -32,4 +32,7 @@ class PdfPoint {
 
 
   @override
   @override
   String toString() => 'PdfPoint($x, $y)';
   String toString() => 'PdfPoint($x, $y)';
+
+  PdfPoint translate(double offsetX, double offsetY) =>
+      PdfPoint(x + offsetX, y + offsetY);
 }
 }

@@ -27,7 +27,6 @@ class TtfParser {
     }
     }
 
 
     _parseFontName();
     _parseFontName();
-    _parseHmtx();
     _parseCMap();
     _parseCMap();
     _parseIndexes();
     _parseIndexes();
     _parseGlyf();
     _parseGlyf();
@@ -45,10 +44,9 @@ class TtfParser {
   final ByteData bytes;
   final ByteData bytes;
   final Map<String, int> _tableOffsets = <String, int>{};
   final Map<String, int> _tableOffsets = <String, int>{};
   String _fontName;
   String _fontName;
-  final List<double> advanceWidth = <double>[];
   final Map<int, int> charToGlyphIndexMap = <int, int>{};
   final Map<int, int> charToGlyphIndexMap = <int, int>{};
   final List<int> glyphOffsets = <int>[];
   final List<int> glyphOffsets = <int>[];
-  final Map<int, PdfRect> glyphInfoMap = <int, PdfRect>{};
+  final Map<int, PdfFontMetrics> glyphInfoMap = <int, PdfFontMetrics>{};
 
 
   int get unitsPerEm => bytes.getUint16(_tableOffsets[_HEAD] + 18);
   int get unitsPerEm => bytes.getUint16(_tableOffsets[_HEAD] + 18);
 
 
@@ -72,6 +70,7 @@ class TtfParser {
 
 
   String get fontName => _fontName;
   String get fontName => _fontName;
 
 
+  // https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6name.html
   void _parseFontName() {
   void _parseFontName() {
     final int basePosition = _tableOffsets[_NAME];
     final int basePosition = _tableOffsets[_NAME];
     final int count = bytes.getUint16(basePosition + 2);
     final int count = bytes.getUint16(basePosition + 2);
@@ -84,20 +83,25 @@ class TtfParser {
       final int offset = bytes.getUint16(pos + 10);
       final int offset = bytes.getUint16(pos + 10);
       pos += 12;
       pos += 12;
       if (platformID == 1 && nameID == 6) {
       if (platformID == 1 && nameID == 6) {
+        try {
           _fontName = utf8.decode(bytes.buffer
           _fontName = utf8.decode(bytes.buffer
               .asUint8List(basePosition + stringOffset + offset, length));
               .asUint8List(basePosition + stringOffset + offset, length));
           return;
           return;
+        } catch (a) {
+          print('Error: $platformID $nameID $a');
         }
         }
       }
       }
-    _fontName = hashCode.toString();
+      if (platformID == 3 && nameID == 6) {
+        try {
+          _fontName = decodeUtf16(bytes.buffer
+              .asUint8List(basePosition + stringOffset + offset, length));
+          return;
+        } catch (a) {
+          print('Error: $platformID $nameID $a');
+        }
       }
       }
-
-  void _parseHmtx() {
-    final int offset = _tableOffsets[_HMTX];
-    final int unitsPerEm = this.unitsPerEm;
-    for (int i = 0; i < numOfLongHorMetrics; i++) {
-      advanceWidth.add(bytes.getInt16(offset + i * 4).toDouble() / unitsPerEm);
     }
     }
+    _fontName = hashCode.toString();
   }
   }
 
 
   void _parseCMap() {
   void _parseCMap() {
@@ -199,8 +203,10 @@ class TtfParser {
     }
     }
   }
   }
 
 
+  /// https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6glyf.html
   void _parseGlyf() {
   void _parseGlyf() {
     final int baseOffset = _tableOffsets[_GLYF];
     final int baseOffset = _tableOffsets[_GLYF];
+    final int hmtxOffset = _tableOffsets[_HMTX];
     final int unitsPerEm = this.unitsPerEm;
     final int unitsPerEm = this.unitsPerEm;
     int glyphIndex = 0;
     int glyphIndex = 0;
     for (int offset in glyphOffsets) {
     for (int offset in glyphOffsets) {
@@ -208,11 +214,17 @@ class TtfParser {
       final int yMin = bytes.getInt16(baseOffset + offset + 4); // 4
       final int yMin = bytes.getInt16(baseOffset + offset + 4); // 4
       final int xMax = bytes.getInt16(baseOffset + offset + 6); // 6
       final int xMax = bytes.getInt16(baseOffset + offset + 6); // 6
       final int yMax = bytes.getInt16(baseOffset + offset + 8); // 8
       final int yMax = bytes.getInt16(baseOffset + offset + 8); // 8
-      glyphInfoMap[glyphIndex] = PdfRect(
-          xMin.toDouble() / unitsPerEm,
-          yMin.toDouble() / unitsPerEm,
-          xMax.toDouble() / unitsPerEm,
-          yMax.toDouble() / unitsPerEm);
+      final double advanceWidth = glyphIndex < numOfLongHorMetrics
+          ? bytes.getInt16(hmtxOffset + glyphIndex * 4).toDouble() / unitsPerEm
+          : null;
+      glyphInfoMap[glyphIndex] = PdfFontMetrics(
+          left: xMin.toDouble() / unitsPerEm,
+          top: yMin.toDouble() / unitsPerEm,
+          right: xMax.toDouble() / unitsPerEm,
+          bottom: yMax.toDouble() / unitsPerEm,
+          ascent: ascent.toDouble() / unitsPerEm,
+          descent: descent.toDouble() / unitsPerEm,
+          advanceWidth: advanceWidth);
       glyphIndex++;
       glyphIndex++;
     }
     }
   }
   }

@@ -29,8 +29,10 @@ class PdfTtfFont extends PdfFont {
     _charMin = 32;
     _charMin = 32;
     _charMax = 255;
     _charMax = 255;
 
 
+    final List<String> widths = <String>[];
+
     for (int i = _charMin; i <= _charMax; i++) {
     for (int i = _charMin; i <= _charMax; i++) {
-      widths.add((glyphAdvance(i) * 1000.0).toString());
+      widths.add((glyphMetrics(i).advanceWidth * 1000.0).toInt().toString());
     }
     }
 
 
     unicodeCMap = PdfObject(pdfDocument);
     unicodeCMap = PdfObject(pdfDocument);
@@ -44,8 +46,6 @@ class PdfTtfFont extends PdfFont {
 
 
   PdfArrayObject widthsObject;
   PdfArrayObject widthsObject;
 
 
-  final List<String> widths = <String>[];
-
   final TtfParser font;
   final TtfParser font;
 
 
   int _charMin;
   int _charMin;
@@ -53,36 +53,30 @@ class PdfTtfFont extends PdfFont {
   int _charMax;
   int _charMax;
 
 
   @override
   @override
-  String get fontName => '/' + font.fontName.replaceAll(' ', '');
+  String get fontName => font.fontName;
 
 
   @override
   @override
-  double glyphAdvance(int charCode) {
-    final int g = font.charToGlyphIndexMap[charCode];
+  double get ascent => font.ascent.toDouble() / font.unitsPerEm;
 
 
-    if (g == null) {
-      return super.glyphAdvance(charCode);
-    }
-
-    return (g < font.advanceWidth.length ? font.advanceWidth[g] : null) ??
-        super.glyphAdvance(charCode);
-  }
+  @override
+  double get descent => font.descent.toDouble() / font.unitsPerEm;
 
 
   @override
   @override
-  PdfRect glyphBounds(int charCode) {
+  PdfFontMetrics glyphMetrics(int charCode) {
     final int g = font.charToGlyphIndexMap[charCode];
     final int g = font.charToGlyphIndexMap[charCode];
 
 
     if (g == null) {
     if (g == null) {
-      return super.glyphBounds(charCode);
+      return PdfFontMetrics.zero;
     }
     }
 
 
-    return font.glyphInfoMap[g] ?? super.glyphBounds(charCode);
+    return font.glyphInfoMap[g] ?? PdfFontMetrics.zero;
   }
   }
 
 
   @override
   @override
   void _prepare() {
   void _prepare() {
     super._prepare();
     super._prepare();
 
 
-    params['/BaseFont'] = PdfStream.string(fontName);
+    params['/BaseFont'] = PdfStream.string('/' + fontName);
     params['/FirstChar'] = PdfStream.intNum(_charMin);
     params['/FirstChar'] = PdfStream.intNum(_charMin);
     params['/LastChar'] = PdfStream.intNum(_charMax);
     params['/LastChar'] = PdfStream.intNum(_charMax);
     params['/Widths'] = widthsObject.ref();
     params['/Widths'] = widthsObject.ref();

@@ -26,8 +26,10 @@ class PdfType1Font extends PdfFont {
   @override
   @override
   final String fontName;
   final String fontName;
 
 
+  @override
   final double ascent;
   final double ascent;
 
 
+  @override
   final double descent;
   final double descent;
 
 
   final List<double> widths;
   final List<double> widths;
@@ -41,16 +43,13 @@ class PdfType1Font extends PdfFont {
   }
   }
 
 
   @override
   @override
-  double glyphAdvance(int charCode) {
-    if (charCode > widths.length) {
-      return super.glyphAdvance(charCode);
-    }
-
-    return widths[charCode];
-  }
-
-  @override
-  PdfRect glyphBounds(int charCode) {
-    return PdfRect(0.0, descent, glyphAdvance(charCode), ascent);
+  PdfFontMetrics glyphMetrics(int charCode) {
+    return PdfFontMetrics(
+        left: 0.0,
+        top: descent,
+        right: charCode < widths.length
+            ? widths[charCode]
+            : PdfFont.defaultGlyphWidth,
+        bottom: ascent);
   }
   }
 }
 }

+/*
+ * Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+part of pdf;
+
+const List<double> _helveticaWidths = <double>[
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.278,
+  0.278,
+  0.355,
+  0.556,
+  0.556,
+  0.889,
+  0.667,
+  0.191,
+  0.333,
+  0.333,
+  0.389,
+  0.584,
+  0.278,
+  0.333,
+  0.278,
+  0.278,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.278,
+  0.278,
+  0.584,
+  0.584,
+  0.584,
+  0.556,
+  1.015,
+  0.667,
+  0.667,
+  0.722,
+  0.722,
+  0.667,
+  0.611,
+  0.778,
+  0.722,
+  0.278,
+  0.500,
+  0.667,
+  0.556,
+  0.833,
+  0.722,
+  0.778,
+  0.667,
+  0.778,
+  0.722,
+  0.667,
+  0.611,
+  0.722,
+  0.667,
+  0.944,
+  0.667,
+  0.667,
+  0.611,
+  0.278,
+  0.278,
+  0.277,
+  0.469,
+  0.556,
+  0.333,
+  0.556,
+  0.556,
+  0.500,
+  0.556,
+  0.556,
+  0.278,
+  0.556,
+  0.556,
+  0.222,
+  0.222,
+  0.500,
+  0.222,
+  0.833,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.333,
+  0.500,
+  0.278,
+  0.556,
+  0.500,
+  0.722,
+  0.500,
+  0.500,
+  0.500,
+  0.334,
+  0.260,
+  0.334,
+  0.584,
+  0.500,
+  0.655,
+  0.500,
+  0.222,
+  0.278,
+  0.333,
+  1.000,
+  0.556,
+  0.556,
+  0.333,
+  1.000,
+  0.667,
+  0.250,
+  1.000,
+  0.500,
+  0.611,
+  0.500,
+  0.500,
+  0.222,
+  0.221,
+  0.333,
+  0.333,
+  0.350,
+  0.556,
+  1.000,
+  0.333,
+  1.000,
+  0.500,
+  0.250,
+  0.938,
+  0.500,
+  0.500,
+  0.667,
+  0.278,
+  0.278,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.260,
+  0.556,
+  0.333,
+  0.737,
+  0.370,
+  0.448,
+  0.584,
+  0.333,
+  0.737,
+  0.333,
+  0.606,
+  0.584,
+  0.350,
+  0.350,
+  0.333,
+  0.556,
+  0.537,
+  0.278,
+  0.333,
+  0.350,
+  0.365,
+  0.448,
+  0.869,
+  0.869,
+  0.879,
+  0.556,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  1.000,
+  0.722,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.722,
+  0.722,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.584,
+  0.778,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.667,
+  0.666,
+  0.611,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.896,
+  0.500,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.251,
+  0.251,
+  0.251,
+  0.251,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.584,
+  0.611,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.500,
+  0.555,
+  0.500
+];
+
+const List<double> _helveticaBoldWidths = <double>[
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.333,
+  0.474,
+  0.556,
+  0.556,
+  0.889,
+  0.722,
+  0.238,
+  0.333,
+  0.333,
+  0.389,
+  0.584,
+  0.278,
+  0.333,
+  0.278,
+  0.278,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.333,
+  0.333,
+  0.584,
+  0.584,
+  0.584,
+  0.611,
+  0.975,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.667,
+  0.611,
+  0.778,
+  0.722,
+  0.278,
+  0.556,
+  0.722,
+  0.611,
+  0.833,
+  0.722,
+  0.778,
+  0.667,
+  0.778,
+  0.722,
+  0.667,
+  0.611,
+  0.722,
+  0.667,
+  0.944,
+  0.667,
+  0.667,
+  0.611,
+  0.333,
+  0.278,
+  0.333,
+  0.584,
+  0.556,
+  0.333,
+  0.556,
+  0.611,
+  0.556,
+  0.611,
+  0.556,
+  0.333,
+  0.611,
+  0.611,
+  0.278,
+  0.278,
+  0.556,
+  0.278,
+  0.889,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.389,
+  0.556,
+  0.333,
+  0.611,
+  0.556,
+  0.778,
+  0.556,
+  0.556,
+  0.500,
+  0.389,
+  0.280,
+  0.389,
+  0.584,
+  0.350,
+  0.556,
+  0.350,
+  0.278,
+  0.556,
+  0.500,
+  1.000,
+  0.556,
+  0.556,
+  0.333,
+  1.000,
+  0.667,
+  0.333,
+  1.000,
+  0.350,
+  0.611,
+  0.350,
+  0.350,
+  0.278,
+  0.278,
+  0.500,
+  0.500,
+  0.350,
+  0.556,
+  1.000,
+  0.333,
+  1.000,
+  0.556,
+  0.333,
+  0.944,
+  0.350,
+  0.500,
+  0.667,
+  0.278,
+  0.333,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.280,
+  0.556,
+  0.333,
+  0.737,
+  0.370,
+  0.556,
+  0.584,
+  0.333,
+  0.737,
+  0.333,
+  0.400,
+  0.584,
+  0.333,
+  0.333,
+  0.333,
+  0.611,
+  0.556,
+  0.278,
+  0.333,
+  0.333,
+  0.365,
+  0.556,
+  0.834,
+  0.834,
+  0.834,
+  0.611,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  1.000,
+  0.722,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.722,
+  0.722,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.584,
+  0.778,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.667,
+  0.667,
+  0.611,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.889,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.584,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.556,
+  0.611,
+  0.556
+];
+
+const List<double> _helveticaBoldObliqueWidths = <double>[
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.333,
+  0.474,
+  0.556,
+  0.556,
+  0.889,
+  0.722,
+  0.238,
+  0.333,
+  0.333,
+  0.389,
+  0.584,
+  0.278,
+  0.333,
+  0.278,
+  0.278,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.333,
+  0.333,
+  0.584,
+  0.584,
+  0.584,
+  0.611,
+  0.975,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.667,
+  0.611,
+  0.778,
+  0.722,
+  0.278,
+  0.556,
+  0.722,
+  0.611,
+  0.833,
+  0.722,
+  0.778,
+  0.667,
+  0.778,
+  0.722,
+  0.667,
+  0.611,
+  0.722,
+  0.667,
+  0.944,
+  0.667,
+  0.667,
+  0.611,
+  0.333,
+  0.278,
+  0.333,
+  0.584,
+  0.556,
+  0.333,
+  0.556,
+  0.611,
+  0.556,
+  0.611,
+  0.556,
+  0.333,
+  0.611,
+  0.611,
+  0.278,
+  0.278,
+  0.556,
+  0.278,
+  0.889,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.389,
+  0.556,
+  0.333,
+  0.611,
+  0.556,
+  0.778,
+  0.556,
+  0.556,
+  0.500,
+  0.389,
+  0.280,
+  0.389,
+  0.584,
+  0.350,
+  0.556,
+  0.350,
+  0.278,
+  0.556,
+  0.500,
+  1.000,
+  0.556,
+  0.556,
+  0.333,
+  1.000,
+  0.667,
+  0.333,
+  1.000,
+  0.350,
+  0.611,
+  0.350,
+  0.350,
+  0.278,
+  0.278,
+  0.500,
+  0.500,
+  0.350,
+  0.556,
+  1.000,
+  0.333,
+  1.000,
+  0.556,
+  0.333,
+  0.944,
+  0.350,
+  0.500,
+  0.667,
+  0.278,
+  0.333,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.280,
+  0.556,
+  0.333,
+  0.737,
+  0.370,
+  0.556,
+  0.584,
+  0.333,
+  0.737,
+  0.333,
+  0.400,
+  0.584,
+  0.333,
+  0.333,
+  0.333,
+  0.611,
+  0.556,
+  0.278,
+  0.333,
+  0.333,
+  0.365,
+  0.556,
+  0.834,
+  0.834,
+  0.834,
+  0.611,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  1.000,
+  0.722,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.722,
+  0.722,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.584,
+  0.778,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.667,
+  0.667,
+  0.611,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.889,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.584,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.556,
+  0.611,
+  0.556
+];
+
+const List<double> _helveticaObliqueWidths = <double>[
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.355,
+  0.556,
+  0.556,
+  0.889,
+  0.667,
+  0.191,
+  0.333,
+  0.333,
+  0.389,
+  0.584,
+  0.278,
+  0.333,
+  0.278,
+  0.278,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.278,
+  0.278,
+  0.584,
+  0.584,
+  0.584,
+  0.556,
+  1.015,
+  0.667,
+  0.667,
+  0.722,
+  0.722,
+  0.667,
+  0.611,
+  0.778,
+  0.722,
+  0.278,
+  0.500,
+  0.667,
+  0.556,
+  0.833,
+  0.722,
+  0.778,
+  0.667,
+  0.778,
+  0.722,
+  0.667,
+  0.611,
+  0.722,
+  0.667,
+  0.944,
+  0.667,
+  0.667,
+  0.611,
+  0.278,
+  0.278,
+  0.278,
+  0.469,
+  0.556,
+  0.333,
+  0.556,
+  0.556,
+  0.500,
+  0.556,
+  0.556,
+  0.278,
+  0.556,
+  0.556,
+  0.222,
+  0.222,
+  0.500,
+  0.222,
+  0.833,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.333,
+  0.500,
+  0.278,
+  0.556,
+  0.500,
+  0.722,
+  0.500,
+  0.500,
+  0.500,
+  0.334,
+  0.260,
+  0.334,
+  0.584,
+  0.350,
+  0.556,
+  0.350,
+  0.222,
+  0.556,
+  0.333,
+  1.000,
+  0.556,
+  0.556,
+  0.333,
+  1.000,
+  0.667,
+  0.333,
+  1.000,
+  0.350,
+  0.611,
+  0.350,
+  0.350,
+  0.222,
+  0.222,
+  0.333,
+  0.333,
+  0.350,
+  0.556,
+  1.000,
+  0.333,
+  1.000,
+  0.500,
+  0.333,
+  0.944,
+  0.350,
+  0.500,
+  0.667,
+  0.278,
+  0.333,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.260,
+  0.556,
+  0.333,
+  0.737,
+  0.370,
+  0.556,
+  0.584,
+  0.333,
+  0.737,
+  0.333,
+  0.400,
+  0.584,
+  0.333,
+  0.333,
+  0.333,
+  0.556,
+  0.537,
+  0.278,
+  0.333,
+  0.333,
+  0.365,
+  0.556,
+  0.834,
+  0.834,
+  0.834,
+  0.611,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  1.000,
+  0.722,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.722,
+  0.722,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.584,
+  0.778,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.667,
+  0.667,
+  0.611,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.889,
+  0.500,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.584,
+  0.611,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.500,
+  0.556,
+  0.500
+];
+
+const List<double> _timesWidths = <double>[
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.333,
+  0.408,
+  0.500,
+  0.500,
+  0.833,
+  0.778,
+  0.180,
+  0.333,
+  0.333,
+  0.500,
+  0.564,
+  0.250,
+  0.333,
+  0.250,
+  0.278,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.278,
+  0.278,
+  0.564,
+  0.564,
+  0.564,
+  0.444,
+  0.921,
+  0.722,
+  0.667,
+  0.667,
+  0.722,
+  0.611,
+  0.556,
+  0.722,
+  0.722,
+  0.333,
+  0.389,
+  0.722,
+  0.611,
+  0.889,
+  0.722,
+  0.722,
+  0.556,
+  0.722,
+  0.667,
+  0.556,
+  0.611,
+  0.722,
+  0.722,
+  0.944,
+  0.722,
+  0.722,
+  0.611,
+  0.333,
+  0.278,
+  0.333,
+  0.469,
+  0.500,
+  0.333,
+  0.444,
+  0.500,
+  0.444,
+  0.500,
+  0.444,
+  0.333,
+  0.500,
+  0.500,
+  0.278,
+  0.278,
+  0.500,
+  0.278,
+  0.778,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.333,
+  0.389,
+  0.278,
+  0.500,
+  0.500,
+  0.722,
+  0.500,
+  0.500,
+  0.444,
+  0.480,
+  0.200,
+  0.480,
+  0.541,
+  0.350,
+  0.500,
+  0.350,
+  0.333,
+  0.500,
+  0.444,
+  1.000,
+  0.500,
+  0.500,
+  0.333,
+  1.000,
+  0.556,
+  0.333,
+  0.889,
+  0.350,
+  0.611,
+  0.350,
+  0.350,
+  0.333,
+  0.333,
+  0.444,
+  0.444,
+  0.350,
+  0.500,
+  1.000,
+  0.333,
+  0.980,
+  0.389,
+  0.333,
+  0.722,
+  0.350,
+  0.444,
+  0.722,
+  0.250,
+  0.333,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.200,
+  0.500,
+  0.333,
+  0.760,
+  0.276,
+  0.500,
+  0.564,
+  0.333,
+  0.760,
+  0.333,
+  0.400,
+  0.564,
+  0.300,
+  0.300,
+  0.333,
+  0.500,
+  0.453,
+  0.250,
+  0.333,
+  0.300,
+  0.310,
+  0.500,
+  0.750,
+  0.750,
+  0.750,
+  0.444,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.889,
+  0.667,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.333,
+  0.333,
+  0.333,
+  0.333,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.564,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.556,
+  0.500,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.667,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.564,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500
+];
+
+const List<double> _timesBoldWidths = <double>[
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.333,
+  0.555,
+  0.500,
+  0.500,
+  1.000,
+  0.833,
+  0.278,
+  0.333,
+  0.333,
+  0.500,
+  0.570,
+  0.250,
+  0.333,
+  0.250,
+  0.278,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.333,
+  0.333,
+  0.570,
+  0.570,
+  0.570,
+  0.500,
+  0.930,
+  0.722,
+  0.667,
+  0.722,
+  0.722,
+  0.667,
+  0.611,
+  0.778,
+  0.778,
+  0.389,
+  0.500,
+  0.778,
+  0.667,
+  0.944,
+  0.722,
+  0.778,
+  0.611,
+  0.778,
+  0.722,
+  0.556,
+  0.667,
+  0.722,
+  0.722,
+  1.000,
+  0.722,
+  0.722,
+  0.667,
+  0.333,
+  0.278,
+  0.333,
+  0.581,
+  0.500,
+  0.333,
+  0.500,
+  0.556,
+  0.444,
+  0.556,
+  0.444,
+  0.333,
+  0.500,
+  0.556,
+  0.278,
+  0.333,
+  0.556,
+  0.278,
+  0.833,
+  0.556,
+  0.500,
+  0.556,
+  0.556,
+  0.444,
+  0.389,
+  0.333,
+  0.556,
+  0.500,
+  0.722,
+  0.500,
+  0.500,
+  0.444,
+  0.394,
+  0.220,
+  0.394,
+  0.520,
+  0.350,
+  0.500,
+  0.350,
+  0.333,
+  0.500,
+  0.500,
+  1.000,
+  0.500,
+  0.500,
+  0.333,
+  1.000,
+  0.556,
+  0.333,
+  1.000,
+  0.350,
+  0.667,
+  0.350,
+  0.350,
+  0.333,
+  0.333,
+  0.500,
+  0.500,
+  0.350,
+  0.500,
+  1.000,
+  0.333,
+  1.000,
+  0.389,
+  0.333,
+  0.722,
+  0.350,
+  0.444,
+  0.722,
+  0.250,
+  0.333,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.220,
+  0.500,
+  0.333,
+  0.747,
+  0.300,
+  0.500,
+  0.570,
+  0.333,
+  0.747,
+  0.333,
+  0.400,
+  0.570,
+  0.300,
+  0.300,
+  0.333,
+  0.556,
+  0.540,
+  0.250,
+  0.333,
+  0.300,
+  0.330,
+  0.500,
+  0.750,
+  0.750,
+  0.750,
+  0.500,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  1.000,
+  0.722,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.389,
+  0.389,
+  0.389,
+  0.389,
+  0.722,
+  0.722,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.778,
+  0.570,
+  0.778,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.611,
+  0.556,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.722,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.500,
+  0.556,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.570,
+  0.500,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.500,
+  0.556,
+  0.500
+];
+
+const List<double> _timesBoldItalicWidths = <double>[
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.389,
+  0.555,
+  0.500,
+  0.500,
+  0.833,
+  0.778,
+  0.278,
+  0.333,
+  0.333,
+  0.500,
+  0.570,
+  0.250,
+  0.333,
+  0.250,
+  0.278,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.333,
+  0.333,
+  0.570,
+  0.570,
+  0.570,
+  0.500,
+  0.832,
+  0.667,
+  0.667,
+  0.667,
+  0.722,
+  0.667,
+  0.667,
+  0.722,
+  0.778,
+  0.389,
+  0.500,
+  0.667,
+  0.611,
+  0.889,
+  0.722,
+  0.722,
+  0.611,
+  0.722,
+  0.667,
+  0.556,
+  0.611,
+  0.722,
+  0.667,
+  0.889,
+  0.667,
+  0.611,
+  0.611,
+  0.333,
+  0.278,
+  0.333,
+  0.570,
+  0.500,
+  0.333,
+  0.500,
+  0.500,
+  0.444,
+  0.500,
+  0.444,
+  0.333,
+  0.500,
+  0.556,
+  0.278,
+  0.278,
+  0.500,
+  0.278,
+  0.778,
+  0.556,
+  0.500,
+  0.500,
+  0.500,
+  0.389,
+  0.389,
+  0.278,
+  0.556,
+  0.444,
+  0.667,
+  0.500,
+  0.444,
+  0.389,
+  0.348,
+  0.220,
+  0.348,
+  0.570,
+  0.350,
+  0.500,
+  0.350,
+  0.333,
+  0.500,
+  0.500,
+  1.000,
+  0.500,
+  0.500,
+  0.333,
+  1.000,
+  0.556,
+  0.333,
+  0.944,
+  0.350,
+  0.611,
+  0.350,
+  0.350,
+  0.333,
+  0.333,
+  0.500,
+  0.500,
+  0.350,
+  0.500,
+  1.000,
+  0.333,
+  1.000,
+  0.389,
+  0.333,
+  0.722,
+  0.350,
+  0.389,
+  0.611,
+  0.250,
+  0.389,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.220,
+  0.500,
+  0.333,
+  0.747,
+  0.266,
+  0.500,
+  0.606,
+  0.333,
+  0.747,
+  0.333,
+  0.400,
+  0.570,
+  0.300,
+  0.300,
+  0.333,
+  0.576,
+  0.500,
+  0.250,
+  0.333,
+  0.300,
+  0.300,
+  0.500,
+  0.750,
+  0.750,
+  0.750,
+  0.500,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.944,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.667,
+  0.389,
+  0.389,
+  0.389,
+  0.389,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.570,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.611,
+  0.611,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.722,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.500,
+  0.556,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.570,
+  0.500,
+  0.556,
+  0.556,
+  0.556,
+  0.556,
+  0.444,
+  0.500,
+  0.444
+];
+
+const List<double> _timesItalicWidths = <double>[
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.250,
+  0.333,
+  0.420,
+  0.500,
+  0.500,
+  0.833,
+  0.778,
+  0.214,
+  0.333,
+  0.333,
+  0.500,
+  0.675,
+  0.250,
+  0.333,
+  0.250,
+  0.278,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.333,
+  0.333,
+  0.675,
+  0.675,
+  0.675,
+  0.500,
+  0.920,
+  0.611,
+  0.611,
+  0.667,
+  0.722,
+  0.611,
+  0.611,
+  0.722,
+  0.722,
+  0.333,
+  0.444,
+  0.667,
+  0.556,
+  0.833,
+  0.667,
+  0.722,
+  0.611,
+  0.722,
+  0.611,
+  0.500,
+  0.556,
+  0.722,
+  0.611,
+  0.833,
+  0.611,
+  0.556,
+  0.556,
+  0.389,
+  0.278,
+  0.389,
+  0.422,
+  0.500,
+  0.333,
+  0.500,
+  0.500,
+  0.444,
+  0.500,
+  0.444,
+  0.278,
+  0.500,
+  0.500,
+  0.278,
+  0.278,
+  0.444,
+  0.278,
+  0.722,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.389,
+  0.389,
+  0.278,
+  0.500,
+  0.444,
+  0.667,
+  0.444,
+  0.444,
+  0.389,
+  0.400,
+  0.275,
+  0.400,
+  0.541,
+  0.350,
+  0.500,
+  0.350,
+  0.333,
+  0.500,
+  0.556,
+  0.889,
+  0.500,
+  0.500,
+  0.333,
+  1.000,
+  0.500,
+  0.333,
+  0.944,
+  0.350,
+  0.556,
+  0.350,
+  0.350,
+  0.333,
+  0.333,
+  0.556,
+  0.556,
+  0.350,
+  0.500,
+  0.889,
+  0.333,
+  0.980,
+  0.389,
+  0.333,
+  0.667,
+  0.350,
+  0.389,
+  0.556,
+  0.250,
+  0.389,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.275,
+  0.500,
+  0.333,
+  0.760,
+  0.276,
+  0.500,
+  0.675,
+  0.333,
+  0.760,
+  0.333,
+  0.400,
+  0.675,
+  0.300,
+  0.300,
+  0.333,
+  0.500,
+  0.523,
+  0.250,
+  0.333,
+  0.300,
+  0.310,
+  0.500,
+  0.750,
+  0.750,
+  0.750,
+  0.500,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.889,
+  0.667,
+  0.611,
+  0.611,
+  0.611,
+  0.611,
+  0.333,
+  0.333,
+  0.333,
+  0.333,
+  0.722,
+  0.667,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.675,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.722,
+  0.556,
+  0.611,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.667,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.444,
+  0.278,
+  0.278,
+  0.278,
+  0.278,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.675,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.444,
+  0.500,
+  0.444
+];
+
+const List<double> _symbolWidths = <double>[
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.250,
+  0.333,
+  0.713,
+  0.500,
+  0.549,
+  0.833,
+  0.778,
+  0.439,
+  0.333,
+  0.333,
+  0.500,
+  0.549,
+  0.250,
+  0.549,
+  0.250,
+  0.278,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.500,
+  0.278,
+  0.278,
+  0.549,
+  0.549,
+  0.549,
+  0.444,
+  0.549,
+  0.722,
+  0.667,
+  0.722,
+  0.612,
+  0.611,
+  0.763,
+  0.603,
+  0.722,
+  0.333,
+  0.631,
+  0.722,
+  0.686,
+  0.889,
+  0.722,
+  0.722,
+  0.768,
+  0.741,
+  0.556,
+  0.592,
+  0.611,
+  0.690,
+  0.439,
+  0.768,
+  0.645,
+  0.795,
+  0.611,
+  0.333,
+  0.863,
+  0.333,
+  0.658,
+  0.500,
+  0.500,
+  0.631,
+  0.549,
+  0.549,
+  0.494,
+  0.439,
+  0.521,
+  0.411,
+  0.603,
+  0.329,
+  0.603,
+  0.549,
+  0.549,
+  0.576,
+  0.521,
+  0.549,
+  0.549,
+  0.521,
+  0.549,
+  0.603,
+  0.439,
+  0.576,
+  0.713,
+  0.686,
+  0.493,
+  0.686,
+  0.494,
+  0.480,
+  0.200,
+  0.480,
+  0.549,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.587,
+  0.750,
+  0.620,
+  0.247,
+  0.549,
+  0.167,
+  0.713,
+  0.500,
+  0.753,
+  0.753,
+  0.753,
+  0.753,
+  1.042,
+  0.987,
+  0.603,
+  0.987,
+  0.603,
+  0.400,
+  0.549,
+  0.411,
+  0.549,
+  0.549,
+  0.713,
+  0.494,
+  0.460,
+  0.549,
+  0.549,
+  0.549,
+  0.549,
+  1.000,
+  0.603,
+  1.000,
+  0.658,
+  0.823,
+  0.686,
+  0.795,
+  0.987,
+  0.768,
+  0.768,
+  0.823,
+  0.768,
+  0.768,
+  0.713,
+  0.713,
+  0.713,
+  0.713,
+  0.713,
+  0.713,
+  0.713,
+  0.768,
+  0.713,
+  0.790,
+  0.790,
+  0.890,
+  0.823,
+  0.549,
+  0.250,
+  0.713,
+  0.603,
+  0.603,
+  1.042,
+  0.987,
+  0.603,
+  0.987,
+  0.603,
+  0.494,
+  0.329,
+  0.790,
+  0.790,
+  0.786,
+  0.713,
+  0.384,
+  0.384,
+  0.384,
+  0.384,
+  0.384,
+  0.384,
+  0.494,
+  0.494,
+  0.494,
+  0.494,
+  0.587,
+  0.329,
+  0.274,
+  0.686,
+  0.686,
+  0.686,
+  0.384,
+  0.384,
+  0.384,
+  0.384,
+  0.384,
+  0.384,
+  0.494,
+  0.494,
+  0.494,
+  0.587
+];
+
+const List<double> _zapfDingbatsWidths = <double>[
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.278,
+  0.974,
+  0.961,
+  0.974,
+  0.980,
+  0.719,
+  0.789,
+  0.790,
+  0.791,
+  0.690,
+  0.960,
+  0.939,
+  0.549,
+  0.855,
+  0.911,
+  0.933,
+  0.911,
+  0.945,
+  0.974,
+  0.755,
+  0.846,
+  0.762,
+  0.761,
+  0.571,
+  0.677,
+  0.763,
+  0.760,
+  0.759,
+  0.754,
+  0.494,
+  0.552,
+  0.537,
+  0.577,
+  0.692,
+  0.786,
+  0.788,
+  0.788,
+  0.790,
+  0.793,
+  0.794,
+  0.816,
+  0.823,
+  0.789,
+  0.841,
+  0.823,
+  0.833,
+  0.816,
+  0.831,
+  0.923,
+  0.744,
+  0.723,
+  0.749,
+  0.790,
+  0.792,
+  0.695,
+  0.776,
+  0.768,
+  0.792,
+  0.759,
+  0.707,
+  0.708,
+  0.682,
+  0.701,
+  0.826,
+  0.815,
+  0.789,
+  0.789,
+  0.707,
+  0.687,
+  0.696,
+  0.689,
+  0.786,
+  0.787,
+  0.713,
+  0.791,
+  0.785,
+  0.791,
+  0.873,
+  0.761,
+  0.762,
+  0.762,
+  0.759,
+  0.759,
+  0.892,
+  0.892,
+  0.788,
+  0.784,
+  0.438,
+  0.138,
+  0.277,
+  0.415,
+  0.392,
+  0.392,
+  0.668,
+  0.668,
+  0.746,
+  0.390,
+  0.390,
+  0.317,
+  0.317,
+  0.276,
+  0.276,
+  0.509,
+  0.509,
+  0.410,
+  0.410,
+  0.234,
+  0.234,
+  0.334,
+  0.334,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.746,
+  0.732,
+  0.544,
+  0.544,
+  0.910,
+  0.667,
+  0.760,
+  0.760,
+  0.776,
+  0.595,
+  0.694,
+  0.626,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.788,
+  0.894,
+  0.838,
+  1.016,
+  0.458,
+  0.748,
+  0.924,
+  0.748,
+  0.918,
+  0.927,
+  0.928,
+  0.928,
+  0.834,
+  0.873,
+  0.828,
+  0.924,
+  0.924,
+  0.917,
+  0.930,
+  0.931,
+  0.463,
+  0.883,
+  0.836,
+  0.836,
+  0.867,
+  0.867,
+  0.696,
+  0.696,
+  0.874,
+  0.746,
+  0.874,
+  0.760,
+  0.946,
+  0.771,
+  0.865,
+  0.771,
+  0.888,
+  0.967,
+  0.888,
+  0.831,
+  0.873,
+  0.927,
+  0.970,
+  0.918,
+  0.746
+];

@@ -65,10 +65,11 @@ void main() {
     final Uint8List data = File('open-sans.ttf').readAsBytesSync();
     final Uint8List data = File('open-sans.ttf').readAsBytesSync();
     final PdfTtfFont font2 = PdfTtfFont(pdf, data.buffer.asByteData());
     final PdfTtfFont font2 = PdfTtfFont(pdf, data.buffer.asByteData());
     const String s = 'Hello World!';
     const String s = 'Hello World!';
-    final PdfRect r = font2.stringBounds(s);
+    final PdfFontMetrics r = font2.stringMetrics(s);
     const double FS = 20.0;
     const double FS = 20.0;
     g.setColor(const PdfColor(0.0, 1.0, 1.0));
     g.setColor(const PdfColor(0.0, 1.0, 1.0));
-    g.drawRect(50.0 + r.x * FS, 30.0 + r.y * FS, r.width * FS, r.height * FS);
+    g.drawRect(
+        50.0 + r.left * FS, 30.0 + r.top * FS, r.width * FS, r.height * FS);
     g.fillPath();
     g.fillPath();
     g.setColor(const PdfColor(0.3, 0.3, 0.3));
     g.setColor(const PdfColor(0.3, 0.3, 0.3));
     g.drawString(font2, FS, s, 50.0, 30.0);
     g.drawString(font2, FS, s, 50.0, 30.0);

+/*
+ * Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import 'dart:io';
+import 'dart:math';
+import 'dart:typed_data';
+
+import 'package:pdf/pdf.dart';
+import 'package:pdf/widgets.dart';
+import 'package:test/test.dart';
+
+void printMetrics(
+    PdfGraphics canvas, String text, PdfFont font, PdfPoint size) {
+  final PdfFontMetrics metricsUnscales = font.stringMetrics(text);
+  final double fontSizeW = size.x / metricsUnscales.maxWidth;
+  final double fontSizeH = size.y / metricsUnscales.maxHeight;
+  final double fontSize = min(fontSizeW, fontSizeH);
+  final PdfFontMetrics metrics = metricsUnscales * fontSize;
+
+  const double deb = 20.0;
+
+  final double x = (size.x - metrics.maxWidth) / 2.0;
+  final double y = (size.y - metrics.maxHeight) / 2.0 - metrics.descent;
+
+  canvas
+    ..setLineWidth(0.5)
+    ..drawRect(x, y + metrics.descent, metrics.advanceWidth, metrics.maxHeight)
+    ..setStrokeColor(PdfColor.green)
+    ..strokePath()
+    ..drawRect(x + metrics.left, y + metrics.top, metrics.width, metrics.height)
+    ..setStrokeColor(PdfColor.amber)
+    ..strokePath()
+    ..drawLine(x + metrics.effectiveLeft - deb, y,
+        x + metrics.maxWidth + metrics.effectiveLeft + deb, y)
+    ..setColor(PdfColor.blue)
+    ..strokePath()
+    ..drawEllipse(x, y, 5, 5)
+    ..setFillColor(PdfColor.black)
+    ..fillPath()
+    ..drawEllipse(x + metrics.advanceWidth, y, 5, 5)
+    ..setFillColor(PdfColor.red)
+    ..fillPath()
+    ..setFillColor(PdfColor.grey)
+    ..drawString(font, fontSize, text, x, y);
+}
+
+void main() {
+  test('Pdf', () {
+    final Document pdf = Document();
+
+    final File ttfFont = File('open-sans.ttf');
+    final Uint8List fontData = ttfFont.readAsBytesSync();
+    final PdfTtfFont font =
+        PdfTtfFont(pdf.document, fontData.buffer.asByteData());
+
+    for (int letter
+        in 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz&%!?0123456789'
+            .codeUnits) {
+      pdf.addPage(Page(
+          pageFormat: const PdfPageFormat(500.0, 500.0, marginAll: 20),
+          build: (Context context) {
+            return ConstrainedBox(
+                constraints: const BoxConstraints.expand(),
+                child: FittedBox(
+                    child: CustomPaint(
+                        size: const PdfPoint(200, 200),
+                        painter: (PdfGraphics canvas, PdfPoint size) {
+                          printMetrics(
+                              canvas, String.fromCharCode(letter), font, size);
+                        })));
+          }));
+    }
+
+    final File file = File('metrics.pdf');
+    file.writeAsBytesSync(pdf.document.save());
+  });
+}

@@ -20,6 +20,43 @@ import 'dart:typed_data';
 import 'package:pdf/pdf.dart';
 import 'package:pdf/pdf.dart';
 import 'package:test/test.dart';
 import 'package:test/test.dart';
 
 
+void printText(PdfGraphics canvas, String text, PdfFont font, double top) {
+  text = text + font.fontName;
+  const double fontSize = 20.0;
+  final PdfFontMetrics metrics = font.stringMetrics(text) * fontSize;
+
+  const double deb = 5.0;
+
+  const double x = 50.0;
+  final double y = canvas.page.pageFormat.height - top;
+
+  canvas
+    ..drawRect(x + metrics.left, y + metrics.top, metrics.width, metrics.height)
+    ..setColor(const PdfColor(0.9, 0.9, 0.9))
+    ..fillPath()
+    ..drawLine(x + metrics.left - deb, y, x + metrics.right + deb, y)
+    ..setColor(PdfColor.blue)
+    ..strokePath()
+    ..drawLine(x + metrics.left - deb, y + metrics.ascent,
+        x + metrics.right + deb, y + metrics.ascent)
+    ..setColor(PdfColor.green)
+    ..strokePath()
+    ..drawLine(x + metrics.left - deb, y + metrics.descent,
+        x + metrics.right + deb, y + metrics.descent)
+    ..setColor(PdfColor.purple)
+    ..strokePath()
+    ..setColor(const PdfColor(0.3, 0.3, 0.3))
+    ..drawString(font, fontSize, text, x, y);
+}
+
+void printTextTtf(PdfGraphics canvas, String text, File ttfFont, double top) {
+  final Uint8List fontData = ttfFont.readAsBytesSync();
+  final PdfTtfFont font =
+      PdfTtfFont(canvas.page.pdfDocument, fontData.buffer.asByteData());
+
+  printText(canvas, text, font, top);
+}
+
 void main() {
 void main() {
   test('Pdf', () {
   test('Pdf', () {
     final PdfDocument pdf = PdfDocument();
     final PdfDocument pdf = PdfDocument();
@@ -27,27 +64,11 @@ void main() {
         PdfPage(pdf, pageFormat: const PdfPageFormat(500.0, 300.0));
         PdfPage(pdf, pageFormat: const PdfPageFormat(500.0, 300.0));
 
 
     final PdfGraphics g = page.getGraphics();
     final PdfGraphics g = page.getGraphics();
-    final Uint8List ttfData = File('open-sans.ttf').readAsBytesSync();
-    final PdfTtfFont ttf = PdfTtfFont(pdf, ttfData.buffer.asByteData());
-    const String s = 'Hello World!';
-    PdfRect r = ttf.stringBounds(s);
-    const double FS = 20.0;
-    const PdfColor pdfColor = PdfColor(0.0, 1.0, 1.0);
-    g.setColor(pdfColor);
-    g.drawRect(50.0 + r.x * FS, 30.0 + r.y * FS, r.width * FS, r.height * FS);
-    g.fillPath();
-    g.setColor(const PdfColor(0.3, 0.3, 0.3));
-    g.drawString(ttf, FS, s, 50.0, 30.0);
-
-    final Uint8List robotoData = File('roboto.ttf').readAsBytesSync();
-    final PdfTtfFont roboto = PdfTtfFont(pdf, robotoData.buffer.asByteData());
-
-    r = roboto.stringBounds(s);
-    g.setColor(const PdfColor(0.0, 1.0, 1.0));
-    g.drawRect(50.0 + r.x * FS, 130.0 + r.y * FS, r.width * FS, r.height * FS);
-    g.fillPath();
-    g.setColor(const PdfColor(0.3, 0.3, 0.3));
-    g.drawString(roboto, FS, s, 50.0, 130.0);
+    int top = 0;
+    const String s = 'Hello ';
+
+    printTextTtf(g, s, File('open-sans.ttf'), 30.0 + 30.0 * top++);
+    printTextTtf(g, s, File('roboto.ttf'), 30.0 + 30.0 * top++);
 
 
     final File file = File('ttf.pdf');
     final File file = File('ttf.pdf');
     file.writeAsBytesSync(pdf.save());
     file.writeAsBytesSync(pdf.save());

@@ -19,16 +19,33 @@ import 'dart:io';
 import 'package:pdf/pdf.dart';
 import 'package:pdf/pdf.dart';
 import 'package:test/test.dart';
 import 'package:test/test.dart';
 
 
-void printText(PdfGraphics g, String text, PdfFont font, double top) {
+void printText(PdfGraphics canvas, String text, PdfFont font, double top) {
   text = text + font.fontName;
   text = text + font.fontName;
-  final PdfRect r = font.stringBounds(text);
-  const double FS = 20.0;
-  g.setColor(const PdfColor(0.9, 0.9, 0.9));
-  g.drawRect(50.0 + r.x * FS, g.page.pageFormat.height - top + r.y * FS,
-      r.width * FS, r.height * FS);
-  g.fillPath();
-  g.setColor(const PdfColor(0.3, 0.3, 0.3));
-  g.drawString(font, FS, text, 50.0, g.page.pageFormat.height - top);
+  const double fontSize = 20.0;
+  final PdfFontMetrics metrics = font.stringMetrics(text) * fontSize;
+
+  const double deb = 5.0;
+
+  const double x = 50.0;
+  final double y = canvas.page.pageFormat.height - top;
+
+  canvas
+    ..drawRect(x + metrics.left, y + metrics.top, metrics.width, metrics.height)
+    ..setColor(const PdfColor(0.9, 0.9, 0.9))
+    ..fillPath()
+    ..drawLine(x + metrics.left - deb, y, x + metrics.right + deb, y)
+    ..setColor(PdfColor.blue)
+    ..strokePath()
+    ..drawLine(x + metrics.left - deb, y + metrics.ascent,
+        x + metrics.right + deb, y + metrics.ascent)
+    ..setColor(PdfColor.green)
+    ..strokePath()
+    ..drawLine(x + metrics.left - deb, y + metrics.descent,
+        x + metrics.right + deb, y + metrics.descent)
+    ..setColor(PdfColor.purple)
+    ..strokePath()
+    ..setColor(const PdfColor(0.3, 0.3, 0.3))
+    ..drawString(font, fontSize, text, x, y);
 }
 }
 
 
 void main() {
 void main() {