Run dartfmt on sources

+* Add example

@@ -64,4 +64,3 @@ part 'src/stream.dart';
 part 'src/ttffont.dart';
 part 'src/xobject.dart';
 part 'src/xref.dart';
-

@@ -59,7 +59,18 @@ class PDFAnnot extends PDFObject {
   PDFBorder border;
 
   PDFAnnot(PDFPage pdfPage,
-      {String type, this.s, this.l, this.b, this.r, this.t, this.subtype, this.dest, this.fl, this.fb, this.fr, this.ft})
+      {String type,
+      this.s,
+      this.l,
+      this.b,
+      this.r,
+      this.t,
+      this.subtype,
+      this.dest,
+      this.fl,
+      this.fb,
+      this.fr,
+      this.ft})
       : super(pdfPage.pdfDocument, type) {
     pdfPage.annotations.add(this);
   }
@@ -70,7 +81,8 @@ class PDFAnnot extends PDFObject {
   /// @param b Bottom coordinate
   /// @param r Right coordinate
   /// @param t Top coordinate
-  factory PDFAnnot.annotation(PDFPage pdfPage, String s, double l, double b, double r, double t) =>
+  factory PDFAnnot.annotation(
+          PDFPage pdfPage, String s, double l, double b, double r, double t) =>
       new PDFAnnot(pdfPage, type: "/Annot", s: s, l: l, b: b, r: r, t: t);
 
   /// Creates a text annotation
@@ -94,9 +106,14 @@ class PDFAnnot extends PDFObject {
   /// @param ft Top coordinate
   /// <br><br>Rectangle describing what part of the page to be displayed
   /// (must be in User Coordinates)
-  factory PDFAnnot.link(PDFPage pdfPage, double l, double b, double r, double t, PDFObject dest,
-          [double fl = FULL_PAGE, double fb = FULL_PAGE, double fr = FULL_PAGE, double ft = FULL_PAGE]) =>
-      new PDFAnnot(pdfPage, type: "/Link", l: l, b: b, r: r, t: t, dest: dest, fl: fl, fb: fb, fr: fr, ft: ft);
+  factory PDFAnnot.link(
+          PDFPage pdfPage, double l, double b, double r, double t, PDFObject dest,
+          [double fl = FULL_PAGE,
+          double fb = FULL_PAGE,
+          double fr = FULL_PAGE,
+          double ft = FULL_PAGE]) =>
+      new PDFAnnot(pdfPage,
+          type: "/Link", l: l, b: b, r: r, t: t, dest: dest, fl: fl, fb: fb, fr: fr, ft: ft);
 
   /// Sets the border for the annotation. By default, no border is defined.
   ///

@@ -36,7 +36,8 @@ class PDFBorder extends PDFObject {
   /// @param style The style of the border
   /// @param dash The line pattern definition
   /// @see PDFAnnot
-  PDFBorder(PDFDocument pdfDocument, this.width, {this.style = 0, this.dash}) : super(pdfDocument);
+  PDFBorder(PDFDocument pdfDocument, this.width, {this.style = 0, this.dash})
+      : super(pdfDocument);
 
   /// @param os OutputStream to send the object to
   @override

@@ -34,7 +34,8 @@ class PDFCatalog extends PDFObject {
   ///        of the documents page tree
   /// @param pagemode How the document should appear when opened.
   /// Allowed values are USENONE, USEOUTLINES, USETHUMBS or FULLSCREEN.
-  PDFCatalog(PDFDocument pdfDocument, this.pdfPageList, this.pageMode) : super(pdfDocument, "/Catalog");
+  PDFCatalog(PDFDocument pdfDocument, this.pdfPageList, this.pageMode)
+      : super(pdfDocument, "/Catalog");
 
   /// @param os OutputStream to send the object to
   @override

@@ -29,8 +29,8 @@ class PDFColor {
   PDFColor(this.r, this.g, this.b, [this.a = 1.0]);
 
   factory PDFColor.fromInt(int color) {
-    return new PDFColor(
-        (color >> 16 & 0xff) / 255.0, (color >> 8 & 0xff) / 255.0, (color & 0xff) / 255.0, (color >> 24 & 0xff) / 255.0);
+    return new PDFColor((color >> 16 & 0xff) / 255.0, (color >> 8 & 0xff) / 255.0,
+        (color & 0xff) / 255.0, (color >> 24 & 0xff) / 255.0);
   }
 
   factory PDFColor.fromHex(String color) {
@@ -43,8 +43,8 @@ class PDFColor {
 
   int toInt() =>
       ((((a * 255.0).round() & 0xff) << 24) |
-      (((r * 255.0).round() & 0xff) << 16) |
-      (((g * 255.0).round() & 0xff) << 8) |
-      (((b * 255.0).round() & 0xff) << 0)) &
+          (((r * 255.0).round() & 0xff) << 16) |
+          (((g * 255.0).round() & 0xff) << 8) |
+          (((b * 255.0).round() & 0xff) << 0)) &
       0xFFFFFFFF;
 }

@@ -72,7 +72,12 @@ class PDFDocument {
   /// <p>
   /// These map the page modes just defined to the pagemodes setting of PDF.
   /// </p>
-  static const _PDF_PAGE_MODES = const ["/UseNone", "/UseOutlines", "/UseThumbs", "/FullScreen"];
+  static const _PDF_PAGE_MODES = const [
+    "/UseNone",
+    "/UseOutlines",
+    "/UseThumbs",
+    "/FullScreen"
+  ];
 
   /// This holds the current fonts
   final Set<PDFFont> fonts = new Set<PDFFont>();

@@ -32,7 +32,8 @@ class PDFFont extends PDFObject {
   /// @param type The pdf type, ie /Type1
   /// @param font The font name, ie Helvetica
   /// @param style The java.awt.Font style, ie: Font.PLAIN
-  PDFFont(PDFDocument pdfDocument, {this.subtype = "/Type1", this.baseFont = "/Helvetica"}) : super(pdfDocument, "/Font") {
+  PDFFont(PDFDocument pdfDocument, {this.subtype = "/Type1", this.baseFont = "/Helvetica"})
+      : super(pdfDocument, "/Font") {
     pdfDocument.fonts.add(this);
   }
 

@@ -23,7 +23,8 @@ class PDFFontDescriptor extends PDFObject {
   final TtfFont font;
   final PDFTTFFont ttfFont;
 
-  PDFFontDescriptor(this.ttfFont, this.file, this.font) : super(ttfFont.pdfDocument, "/FontDescriptor");
+  PDFFontDescriptor(this.ttfFont, this.file, this.font)
+      : super(ttfFont.pdfDocument, "/FontDescriptor");
 
   @override
   void prepare() {
@@ -32,7 +33,8 @@ class PDFFontDescriptor extends PDFObject {
     params["/FontName"] = PDFStream.string(ttfFont.baseFont);
     params["/FontFile2"] = file.ref();
     params["/Flags"] = PDFStream.intNum(32);
-    params["/FontBBox"] = new PDFStream()..putStringArray([font.head.xMin, font.head.yMin, font.head.xMax, font.head.yMax]);
+    params["/FontBBox"] = new PDFStream()
+      ..putStringArray([font.head.xMin, font.head.yMin, font.head.xMax, font.head.yMax]);
     params["/Ascent"] = PDFStream.intNum(font.hhea.ascent);
     params["/Descent"] = PDFStream.intNum(font.hhea.descent);
     params["/ItalicAngle"] = PDFStream.intNum(0);

@@ -33,7 +33,8 @@ class PDFFormXObject extends PDFXObject {
   /// set matrix
   void setMatrix(Matrix4 t) {
     var s = t.storage;
-    params["/Matrix"] = PDFStream.string("[${s[0]} ${s[1]} ${s[4]} ${s[5]} ${s[12]} ${s[13]}]");
+    params["/Matrix"] =
+        PDFStream.string("[${s[0]} ${s[1]} ${s[4]} ${s[5]} ${s[12]} ${s[13]}]");
   }
 
   @override

@@ -174,8 +174,7 @@ class PDFGraphics {
   ///
   /// @param c Color to use
   void setColor(PDFColor color) {
-    buf.putString("${color.r} ${color.g} ${color.b} rg ${color.r} ${color.g} ${color
-            .b} RG\n");
+    buf.putString("${color.r} ${color.g} ${color.b} rg ${color.r} ${color.g} ${color.b} RG\n");
   }
 
   /// Set the transformation Matrix

@@ -26,7 +26,8 @@ class PDFInfo extends PDFObject {
   String keywords;
 
   /// @param title Title of this document
-  PDFInfo(PDFDocument pdfDocument, {this.title, this.author, this.creator, this.subject, this.keywords})
+  PDFInfo(PDFDocument pdfDocument,
+      {this.title, this.author, this.creator, this.subject, this.keywords})
       : super(pdfDocument, null) {
     params["/Producer"] = PDFStream.text("dpdf - David PHAM-VAN");
   }

@@ -76,7 +76,8 @@ class PDFOutline extends PDFObject {
   PDFOutline add({String title, PDFPage dest, double x, y, w, h}) {
     var xy1 = dest.cxy(x, y + h);
     var xy2 = dest.cxy(x + w, y);
-    PDFOutline outline = new PDFOutline(pdfDocument, title: title, dest: dest, l: xy1.w, b: xy1.h, r: xy2.w, t: xy2.h);
+    PDFOutline outline = new PDFOutline(pdfDocument,
+        title: title, dest: dest, l: xy1.w, b: xy1.h, r: xy2.w, t: xy2.h);
     // Tell the outline of ourselves
     outline.parent = this;
     return outline;

@@ -48,7 +48,8 @@ class PDFPage extends PDFObject {
   /// @see PageFormat#LANDSCAPE
   /// @see PageFormat#REVERSE_LANDSCAPE
   /// @param pageFormat PageFormat describing the page size
-  PDFPage(PDFDocument pdfDocument, {int orientation, this.pageFormat}) : super(pdfDocument, "/Page") {
+  PDFPage(PDFDocument pdfDocument, {int orientation, this.pageFormat})
+      : super(pdfDocument, "/Page") {
     pdfDocument.pdfPageList.pages.add(this);
     if (pageFormat == null) pageFormat = new PDFPageFormat();
     setOrientation(orientation);
@@ -132,12 +133,16 @@ class PDFPage extends PDFObject {
   /// @param vh Height of the view area
   /// @return Returns the annotation, so other settings can be changed.
   PDFAnnot addLink(double x, y, w, h, PDFObject dest,
-      [double vx = PDFAnnot.FULL_PAGE, vy = PDFAnnot.FULL_PAGE, vw = PDFAnnot.FULL_PAGE, vh = PDFAnnot.FULL_PAGE]) {
+      [double vx = PDFAnnot.FULL_PAGE,
+      vy = PDFAnnot.FULL_PAGE,
+      vw = PDFAnnot.FULL_PAGE,
+      vh = PDFAnnot.FULL_PAGE]) {
     var xy1 = cxy(x, y + h);
     var xy2 = cxy(x + w, y);
     var xy3 = cxy(vx, vy + vh);
     var xy4 = cxy(vx + vw, vy);
-    PDFAnnot ob = new PDFAnnot.link(this, xy1.w, xy1.h, xy2.w, xy2.h, dest, xy3.w, xy3.h, xy4.w, xy4.h);
+    PDFAnnot ob =
+        new PDFAnnot.link(this, xy1.w, xy1.h, xy2.w, xy2.h, dest, xy3.w, xy3.h, xy4.w, xy4.h);
     return ob;
   }
 
@@ -152,7 +157,8 @@ class PDFPage extends PDFObject {
   PDFOutline addOutline(String title, {double x, double y, double w, double h}) {
     PDFPoint xy1 = cxy(x, y + h);
     PDFPoint xy2 = cxy(x + w, y);
-    PDFOutline outline = new PDFOutline(pdfDocument, title: title, dest: this, l: xy1.w, b: xy1.h, r: xy2.w, t: xy2.h);
+    PDFOutline outline = new PDFOutline(pdfDocument,
+        title: title, dest: this, l: xy1.w, b: xy1.h, r: xy2.w, t: xy2.h);
     pdfDocument.outline.outlines.add(outline);
     return outline;
   }
@@ -166,7 +172,8 @@ class PDFPage extends PDFObject {
     params["/Parent"] = pdfDocument.pdfPageList.ref();
 
     // the /MediaBox for the page size
-    params["/MediaBox"] = new PDFStream()..putStringArray([0, 0, pageFormat.getWidth(), pageFormat.getHeight()]);
+    params["/MediaBox"] = new PDFStream()
+      ..putStringArray([0, 0, pageFormat.getWidth(), pageFormat.getHeight()]);
 
     // Rotation (if not zero)
 //        if(rotate!=0) {

@@ -119,7 +119,8 @@ class PDFStream {
     putString(">>");
   }
 
-  static PDFStream dictionary(Map<String, PDFStream> values) => new PDFStream()..putDictionary(values);
+  static PDFStream dictionary(Map<String, PDFStream> values) =>
+      new PDFStream()..putDictionary(values);
 
   void putObjectDictionary(Map<String, PDFObject> values) {
     putString("<< ");

@@ -28,7 +28,8 @@ class PDFTTFFont extends PDFFont {
   int _charMax;
 
   /// Constructs a PDFTTFFont
-  PDFTTFFont(PDFDocument pdfDocument, Uint8List bytes) : super(pdfDocument, subtype: "/TrueType") {
+  PDFTTFFont(PDFDocument pdfDocument, Uint8List bytes)
+      : super(pdfDocument, subtype: "/TrueType") {
     _font = new TtfParser().parse(bytes);
     baseFont = "/" + _font.name.fontName.replaceAll(" ", "");
 

@@ -36,7 +36,8 @@ class PDFXref {
 
   /// @return The xref in the format of the xref section in the PDF file
   String ref() {
-    String rs = offset.toString().padLeft(10, '0') + " " + generation.toString().padLeft(5, '0');
+    String rs =
+        offset.toString().padLeft(10, '0') + " " + generation.toString().padLeft(5, '0');
 
     if (generation == 65535) return rs + " f ";
     return rs + " n ";