1 files changed, 36 insertions, 1 deletions

diff --git a/js/RrdGfxPdf.js b/js/RrdGfxPdf.js
index cbc552f..7cde098 100644
--- a/js/RrdGfxPdf.js
+++ b/js/RrdGfxPdf.js
@@ -81,7 +81,7 @@ var RrdGfxPdf = function (orientation, unit, size)
         this.CoreFonts = ['courier', 'helvetica', 'times', 'symbol', 'zapfdingbats'];
         // Scale factor (number of points in user unit)
         if(unit === 'pt')
-                this.k = 1; 
+                this.k = 1;
         else if(unit === 'mm')
                 this.k = 72/25.4;
         else if(unit === 'cm')
@@ -129,6 +129,10 @@ var RrdGfxPdf = function (orientation, unit, size)
         this.SetDisplayMode('default');
         // Set default PDF version number
         this.PDFVersion = '1.3';
+
+        this.dash = false;
+        this.dash_array = null;
+        this.dash_offset = null;
 };
 
 RrdGfxPdf.CORE_FONTS= {
@@ -182,6 +186,31 @@ RrdGfxPdf.prototype.size = function (width, height)
 
 RrdGfxPdf.prototype.set_dash = function (dashes, n, offset)
 {
+        this.dash = true;
+        this.dash_array = dashes;
+        this.dash_offset = offset;
+};
+
+RrdGfxPdf.prototype._set_dash = function ()
+{
+        this.dash = true;
+
+        if (this.dash_array != undefined && this.dash_array.length > 0) {
+                for (var n=0; n < this.dash_array.length; n++) {
+                        this.dash_array[n] = this.dash_array[n] * this.k;
+                }
+                this.dash_array = this.dash_array.join(' ');
+
+                if (this.dash_offset == 0) {
+                        this._out('['+this.dash_array+'] 0 d');
+                } else {
+                        this.dash_offset = this.dash_offset * this.k;
+                        this._out('['+this.dash_array+'] '+this.dash_offset+' d');
+                }
+        }
+        this.dash = false;
+        this.dash_array = null;
+        this.dash_offset = 0;
 };
 
 RrdGfxPdf.prototype.line = function (X0, Y0, X1, Y1, width, color)
@@ -190,6 +219,8 @@ RrdGfxPdf.prototype.line = function (X0, Y0, X1, Y1, width, color)
         this._setLineWidth(width);
         var rgba = this.parse_color(color);
         this._setDrawColor(rgba[0], rgba[1], rgba[2]);
+        if (this.dash)
+                this._set_dash();
         this._moveTo(X0, Y0);
         this._lineTo(X1, Y1);
         this._stroke();
@@ -215,6 +246,8 @@ RrdGfxPdf.prototype.rectangle = function (X0, Y0, X1, Y1, width, style)
         this._setLineWidth(width);
         var rgba = this.parse_color(style);
         this._setDrawColor(rgba[0], rgba[1], rgba[2]);
+        if (this.dash)
+                this._set_dash();
         this._moveTo(X0, Y0);
         this._lineTo(X1, Y0);
         this._lineTo(X1, Y1);
@@ -250,6 +283,8 @@ RrdGfxPdf.prototype.stroke_begin = function (width, style)
         this._setLineWidth(width);
         var rgba = this.parse_color(style);
         this._setDrawColor(rgba[0], rgba[1], rgba[2]);
+        if (this.dash)
+                this._set_dash();
         this._out('0 J');  // line cap
         this._out('0 j');  // line join
 };