Adding image support and some document clean up for .8 release

1 files changed, 150 insertions, 6 deletions

diff --git a/doc/Axlsx.html b/doc/Axlsx.html
index 2a8b517f..8fde8b4d 100644
--- a/doc/Axlsx.html
+++ b/doc/Axlsx.html
@@ -73,7 +73,7 @@
   
     <dt class="r1 last">Defined in:</dt>
     <dd class="r1 last">lib/axlsx/package.rb<span class="defines">,<br />
-  lib/axlsx.rb,<br /> lib/axlsx/version.rb,<br /> lib/axlsx/drawing/axis.rb,<br /> lib/axlsx/doc_props/app.rb,<br /> lib/axlsx/drawing/title.rb,<br /> lib/axlsx/stylesheet/xf.rb,<br /> lib/axlsx/drawing/chart.rb,<br /> lib/axlsx/drawing/series.rb,<br /> lib/axlsx/util/constants.rb,<br /> lib/axlsx/drawing/marker.rb,<br /> lib/axlsx/doc_props/core.rb,<br /> lib/axlsx/drawing/view_3D.rb,<br /> lib/axlsx/stylesheet/font.rb,<br /> lib/axlsx/drawing/drawing.rb,<br /> lib/axlsx/util/validators.rb,<br /> lib/axlsx/drawing/scaling.rb,<br /> lib/axlsx/stylesheet/fill.rb,<br /> lib/axlsx/stylesheet/color.rb,<br /> lib/axlsx/drawing/ser_axis.rb,<br /> lib/axlsx/drawing/cat_axis.rb,<br /> lib/axlsx/drawing/val_axis.rb,<br /> lib/axlsx/stylesheet/border.rb,<br /> lib/axlsx/workbook/workbook.rb,<br /> lib/axlsx/stylesheet/styles.rb,<br /> lib/axlsx/rels/relationship.rb,<br /> lib/axlsx/drawing/bar_series.rb,<br /> lib/axlsx/drawing/pie_series.rb,<br /> lib/axlsx/rels/relationships.rb,<br /> lib/axlsx/stylesheet/num_fmt.rb,<br /> lib/axlsx/drawing/line_series.rb,<br /> lib/axlsx/stylesheet/border_pr.rb,<br /> lib/axlsx/drawing/series_title.rb,<br /> lib/axlsx/content_type/default.rb,<br /> lib/axlsx/drawing/bar_3D_chart.rb,<br /> lib/axlsx/drawing/pie_3D_chart.rb,<br /> lib/axlsx/drawing/line_3D_chart.rb,<br /> lib/axlsx/stylesheet/cell_style.rb,<br /> lib/axlsx/drawing/val_axis_data.rb,<br /> lib/axlsx/content_type/override.rb,<br /> lib/axlsx/drawing/cat_axis_data.rb,<br /> lib/axlsx/drawing/graphic_frame.rb,<br /> lib/axlsx/util/simple_typed_list.rb,<br /> lib/axlsx/stylesheet/table_style.rb,<br /> lib/axlsx/workbook/worksheet/row.rb,<br /> lib/axlsx/stylesheet/table_styles.rb,<br /> lib/axlsx/drawing/two_cell_anchor.rb,<br /> lib/axlsx/workbook/worksheet/cell.rb,<br /> lib/axlsx/stylesheet/pattern_fill.rb,<br /> lib/axlsx/stylesheet/gradient_fill.rb,<br /> lib/axlsx/stylesheet/gradient_stop.rb,<br /> lib/axlsx/content_type/content_type.rb,<br /> lib/axlsx/stylesheet/cell_alignment.rb,<br /> lib/axlsx/stylesheet/cell_protection.rb,<br /> lib/axlsx/workbook/worksheet/worksheet.rb,<br /> lib/axlsx/stylesheet/table_style_element.rb</span>
+  lib/axlsx.rb,<br /> lib/axlsx/version.rb,<br /> lib/axlsx/drawing/pic.rb,<br /> lib/axlsx/drawing/axis.rb,<br /> lib/axlsx/doc_props/app.rb,<br /> lib/axlsx/drawing/title.rb,<br /> lib/axlsx/drawing/chart.rb,<br /> lib/axlsx/stylesheet/xf.rb,<br /> lib/axlsx/doc_props/core.rb,<br /> lib/axlsx/drawing/series.rb,<br /> lib/axlsx/drawing/marker.rb,<br /> lib/axlsx/util/constants.rb,<br /> lib/axlsx/stylesheet/font.rb,<br /> lib/axlsx/drawing/view_3D.rb,<br /> lib/axlsx/drawing/drawing.rb,<br /> lib/axlsx/stylesheet/fill.rb,<br /> lib/axlsx/util/validators.rb,<br /> lib/axlsx/drawing/scaling.rb,<br /> lib/axlsx/drawing/cat_axis.rb,<br /> lib/axlsx/stylesheet/color.rb,<br /> lib/axlsx/drawing/ser_axis.rb,<br /> lib/axlsx/drawing/val_axis.rb,<br /> lib/axlsx/stylesheet/border.rb,<br /> lib/axlsx/workbook/workbook.rb,<br /> lib/axlsx/stylesheet/styles.rb,<br /> lib/axlsx/rels/relationship.rb,<br /> lib/axlsx/stylesheet/num_fmt.rb,<br /> lib/axlsx/drawing/bar_series.rb,<br /> lib/axlsx/rels/relationships.rb,<br /> lib/axlsx/drawing/pie_series.rb,<br /> lib/axlsx/drawing/line_series.rb,<br /> lib/axlsx/drawing/bar_3D_chart.rb,<br /> lib/axlsx/stylesheet/border_pr.rb,<br /> lib/axlsx/content_type/default.rb,<br /> lib/axlsx/drawing/series_title.rb,<br /> lib/axlsx/drawing/pie_3D_chart.rb,<br /> lib/axlsx/drawing/val_axis_data.rb,<br /> lib/axlsx/drawing/graphic_frame.rb,<br /> lib/axlsx/drawing/line_3D_chart.rb,<br /> lib/axlsx/content_type/override.rb,<br /> lib/axlsx/drawing/cat_axis_data.rb,<br /> lib/axlsx/stylesheet/cell_style.rb,<br /> lib/axlsx/util/simple_typed_list.rb,<br /> lib/axlsx/workbook/worksheet/row.rb,<br /> lib/axlsx/stylesheet/table_style.rb,<br /> lib/axlsx/drawing/one_cell_anchor.rb,<br /> lib/axlsx/stylesheet/table_styles.rb,<br /> lib/axlsx/workbook/worksheet/cell.rb,<br /> lib/axlsx/drawing/two_cell_anchor.rb,<br /> lib/axlsx/stylesheet/pattern_fill.rb,<br /> lib/axlsx/stylesheet/gradient_stop.rb,<br /> lib/axlsx/stylesheet/gradient_fill.rb,<br /> lib/axlsx/stylesheet/cell_alignment.rb,<br /> lib/axlsx/content_type/content_type.rb,<br /> lib/axlsx/stylesheet/cell_protection.rb,<br /> lib/axlsx/workbook/worksheet/worksheet.rb,<br /> lib/axlsx/stylesheet/table_style_element.rb</span>
 </dd>
   
 </dl>
@@ -98,7 +98,7 @@ cell styles, automatically resized column widths and 3D pie charts.
     
    
     
-      <strong class="classes">Classes:</strong> <span class='object_link'><a href="Axlsx/App.html" title="Axlsx::App (class)">App</a></span>, <span class='object_link'><a href="Axlsx/Axis.html" title="Axlsx::Axis (class)">Axis</a></span>, <span class='object_link'><a href="Axlsx/Bar3DChart.html" title="Axlsx::Bar3DChart (class)">Bar3DChart</a></span>, <span class='object_link'><a href="Axlsx/BarSeries.html" title="Axlsx::BarSeries (class)">BarSeries</a></span>, <span class='object_link'><a href="Axlsx/Border.html" title="Axlsx::Border (class)">Border</a></span>, <span class='object_link'><a href="Axlsx/BorderPr.html" title="Axlsx::BorderPr (class)">BorderPr</a></span>, <span class='object_link'><a href="Axlsx/CatAxis.html" title="Axlsx::CatAxis (class)">CatAxis</a></span>, <span class='object_link'><a href="Axlsx/CatAxisData.html" title="Axlsx::CatAxisData (class)">CatAxisData</a></span>, <span class='object_link'><a href="Axlsx/Cell.html" title="Axlsx::Cell (class)">Cell</a></span>, <span class='object_link'><a href="Axlsx/CellAlignment.html" title="Axlsx::CellAlignment (class)">CellAlignment</a></span>, <span class='object_link'><a href="Axlsx/CellProtection.html" title="Axlsx::CellProtection (class)">CellProtection</a></span>, <span class='object_link'><a href="Axlsx/CellStyle.html" title="Axlsx::CellStyle (class)">CellStyle</a></span>, <span class='object_link'><a href="Axlsx/Chart.html" title="Axlsx::Chart (class)">Chart</a></span>, <span class='object_link'><a href="Axlsx/Color.html" title="Axlsx::Color (class)">Color</a></span>, <span class='object_link'><a href="Axlsx/ContentType.html" title="Axlsx::ContentType (class)">ContentType</a></span>, <span class='object_link'><a href="Axlsx/Core.html" title="Axlsx::Core (class)">Core</a></span>, <span class='object_link'><a href="Axlsx/DataTypeValidator.html" title="Axlsx::DataTypeValidator (class)">DataTypeValidator</a></span>, <span class='object_link'><a href="Axlsx/Default.html" title="Axlsx::Default (class)">Default</a></span>, <span class='object_link'><a href="Axlsx/Drawing.html" title="Axlsx::Drawing (class)">Drawing</a></span>, <span class='object_link'><a href="Axlsx/Fill.html" title="Axlsx::Fill (class)">Fill</a></span>, <span class='object_link'><a href="Axlsx/Font.html" title="Axlsx::Font (class)">Font</a></span>, <span class='object_link'><a href="Axlsx/GradientFill.html" title="Axlsx::GradientFill (class)">GradientFill</a></span>, <span class='object_link'><a href="Axlsx/GradientStop.html" title="Axlsx::GradientStop (class)">GradientStop</a></span>, <span class='object_link'><a href="Axlsx/GraphicFrame.html" title="Axlsx::GraphicFrame (class)">GraphicFrame</a></span>, <span class='object_link'><a href="Axlsx/Line3DChart.html" title="Axlsx::Line3DChart (class)">Line3DChart</a></span>, <span class='object_link'><a href="Axlsx/LineSeries.html" title="Axlsx::LineSeries (class)">LineSeries</a></span>, <span class='object_link'><a href="Axlsx/Marker.html" title="Axlsx::Marker (class)">Marker</a></span>, <span class='object_link'><a href="Axlsx/NumFmt.html" title="Axlsx::NumFmt (class)">NumFmt</a></span>, <span class='object_link'><a href="Axlsx/Override.html" title="Axlsx::Override (class)">Override</a></span>, <span class='object_link'><a href="Axlsx/Package.html" title="Axlsx::Package (class)">Package</a></span>, <span class='object_link'><a href="Axlsx/PatternFill.html" title="Axlsx::PatternFill (class)">PatternFill</a></span>, <span class='object_link'><a href="Axlsx/Pie3DChart.html" title="Axlsx::Pie3DChart (class)">Pie3DChart</a></span>, <span class='object_link'><a href="Axlsx/PieSeries.html" title="Axlsx::PieSeries (class)">PieSeries</a></span>, <span class='object_link'><a href="Axlsx/RegexValidator.html" title="Axlsx::RegexValidator (class)">RegexValidator</a></span>, <span class='object_link'><a href="Axlsx/Relationship.html" title="Axlsx::Relationship (class)">Relationship</a></span>, <span class='object_link'><a href="Axlsx/Relationships.html" title="Axlsx::Relationships (class)">Relationships</a></span>, <span class='object_link'><a href="Axlsx/RestrictionValidator.html" title="Axlsx::RestrictionValidator (class)">RestrictionValidator</a></span>, <span class='object_link'><a href="Axlsx/Row.html" title="Axlsx::Row (class)">Row</a></span>, <span class='object_link'><a href="Axlsx/Scaling.html" title="Axlsx::Scaling (class)">Scaling</a></span>, <span class='object_link'><a href="Axlsx/SerAxis.html" title="Axlsx::SerAxis (class)">SerAxis</a></span>, <span class='object_link'><a href="Axlsx/Series.html" title="Axlsx::Series (class)">Series</a></span>, <span class='object_link'><a href="Axlsx/SeriesTitle.html" title="Axlsx::SeriesTitle (class)">SeriesTitle</a></span>, <span class='object_link'><a href="Axlsx/SimpleTypedList.html" title="Axlsx::SimpleTypedList (class)">SimpleTypedList</a></span>, <span class='object_link'><a href="Axlsx/Styles.html" title="Axlsx::Styles (class)">Styles</a></span>, <span class='object_link'><a href="Axlsx/TableStyle.html" title="Axlsx::TableStyle (class)">TableStyle</a></span>, <span class='object_link'><a href="Axlsx/TableStyleElement.html" title="Axlsx::TableStyleElement (class)">TableStyleElement</a></span>, <span class='object_link'><a href="Axlsx/TableStyles.html" title="Axlsx::TableStyles (class)">TableStyles</a></span>, <span class='object_link'><a href="Axlsx/Title.html" title="Axlsx::Title (class)">Title</a></span>, <span class='object_link'><a href="Axlsx/TwoCellAnchor.html" title="Axlsx::TwoCellAnchor (class)">TwoCellAnchor</a></span>, <span class='object_link'><a href="Axlsx/ValAxis.html" title="Axlsx::ValAxis (class)">ValAxis</a></span>, <span class='object_link'><a href="Axlsx/ValAxisData.html" title="Axlsx::ValAxisData (class)">ValAxisData</a></span>, <span class='object_link'><a href="Axlsx/View3D.html" title="Axlsx::View3D (class)">View3D</a></span>, <span class='object_link'><a href="Axlsx/Workbook.html" title="Axlsx::Workbook (class)">Workbook</a></span>, <span class='object_link'><a href="Axlsx/Worksheet.html" title="Axlsx::Worksheet (class)">Worksheet</a></span>, <span class='object_link'><a href="Axlsx/Xf.html" title="Axlsx::Xf (class)">Xf</a></span>
+      <strong class="classes">Classes:</strong> <span class='object_link'><a href="Axlsx/App.html" title="Axlsx::App (class)">App</a></span>, <span class='object_link'><a href="Axlsx/Axis.html" title="Axlsx::Axis (class)">Axis</a></span>, <span class='object_link'><a href="Axlsx/Bar3DChart.html" title="Axlsx::Bar3DChart (class)">Bar3DChart</a></span>, <span class='object_link'><a href="Axlsx/BarSeries.html" title="Axlsx::BarSeries (class)">BarSeries</a></span>, <span class='object_link'><a href="Axlsx/Border.html" title="Axlsx::Border (class)">Border</a></span>, <span class='object_link'><a href="Axlsx/BorderPr.html" title="Axlsx::BorderPr (class)">BorderPr</a></span>, <span class='object_link'><a href="Axlsx/CatAxis.html" title="Axlsx::CatAxis (class)">CatAxis</a></span>, <span class='object_link'><a href="Axlsx/CatAxisData.html" title="Axlsx::CatAxisData (class)">CatAxisData</a></span>, <span class='object_link'><a href="Axlsx/Cell.html" title="Axlsx::Cell (class)">Cell</a></span>, <span class='object_link'><a href="Axlsx/CellAlignment.html" title="Axlsx::CellAlignment (class)">CellAlignment</a></span>, <span class='object_link'><a href="Axlsx/CellProtection.html" title="Axlsx::CellProtection (class)">CellProtection</a></span>, <span class='object_link'><a href="Axlsx/CellStyle.html" title="Axlsx::CellStyle (class)">CellStyle</a></span>, <span class='object_link'><a href="Axlsx/Chart.html" title="Axlsx::Chart (class)">Chart</a></span>, <span class='object_link'><a href="Axlsx/Color.html" title="Axlsx::Color (class)">Color</a></span>, <span class='object_link'><a href="Axlsx/ContentType.html" title="Axlsx::ContentType (class)">ContentType</a></span>, <span class='object_link'><a href="Axlsx/Core.html" title="Axlsx::Core (class)">Core</a></span>, <span class='object_link'><a href="Axlsx/DataTypeValidator.html" title="Axlsx::DataTypeValidator (class)">DataTypeValidator</a></span>, <span class='object_link'><a href="Axlsx/Default.html" title="Axlsx::Default (class)">Default</a></span>, <span class='object_link'><a href="Axlsx/Drawing.html" title="Axlsx::Drawing (class)">Drawing</a></span>, <span class='object_link'><a href="Axlsx/Fill.html" title="Axlsx::Fill (class)">Fill</a></span>, <span class='object_link'><a href="Axlsx/Font.html" title="Axlsx::Font (class)">Font</a></span>, <span class='object_link'><a href="Axlsx/GradientFill.html" title="Axlsx::GradientFill (class)">GradientFill</a></span>, <span class='object_link'><a href="Axlsx/GradientStop.html" title="Axlsx::GradientStop (class)">GradientStop</a></span>, <span class='object_link'><a href="Axlsx/GraphicFrame.html" title="Axlsx::GraphicFrame (class)">GraphicFrame</a></span>, <span class='object_link'><a href="Axlsx/Line3DChart.html" title="Axlsx::Line3DChart (class)">Line3DChart</a></span>, <span class='object_link'><a href="Axlsx/LineSeries.html" title="Axlsx::LineSeries (class)">LineSeries</a></span>, <span class='object_link'><a href="Axlsx/Marker.html" title="Axlsx::Marker (class)">Marker</a></span>, <span class='object_link'><a href="Axlsx/NumFmt.html" title="Axlsx::NumFmt (class)">NumFmt</a></span>, <span class='object_link'><a href="Axlsx/OneCellAnchor.html" title="Axlsx::OneCellAnchor (class)">OneCellAnchor</a></span>, <span class='object_link'><a href="Axlsx/Override.html" title="Axlsx::Override (class)">Override</a></span>, <span class='object_link'><a href="Axlsx/Package.html" title="Axlsx::Package (class)">Package</a></span>, <span class='object_link'><a href="Axlsx/PatternFill.html" title="Axlsx::PatternFill (class)">PatternFill</a></span>, <span class='object_link'><a href="Axlsx/Pic.html" title="Axlsx::Pic (class)">Pic</a></span>, <span class='object_link'><a href="Axlsx/Pie3DChart.html" title="Axlsx::Pie3DChart (class)">Pie3DChart</a></span>, <span class='object_link'><a href="Axlsx/PieSeries.html" title="Axlsx::PieSeries (class)">PieSeries</a></span>, <span class='object_link'><a href="Axlsx/RegexValidator.html" title="Axlsx::RegexValidator (class)">RegexValidator</a></span>, <span class='object_link'><a href="Axlsx/Relationship.html" title="Axlsx::Relationship (class)">Relationship</a></span>, <span class='object_link'><a href="Axlsx/Relationships.html" title="Axlsx::Relationships (class)">Relationships</a></span>, <span class='object_link'><a href="Axlsx/RestrictionValidator.html" title="Axlsx::RestrictionValidator (class)">RestrictionValidator</a></span>, <span class='object_link'><a href="Axlsx/Row.html" title="Axlsx::Row (class)">Row</a></span>, <span class='object_link'><a href="Axlsx/Scaling.html" title="Axlsx::Scaling (class)">Scaling</a></span>, <span class='object_link'><a href="Axlsx/SerAxis.html" title="Axlsx::SerAxis (class)">SerAxis</a></span>, <span class='object_link'><a href="Axlsx/Series.html" title="Axlsx::Series (class)">Series</a></span>, <span class='object_link'><a href="Axlsx/SeriesTitle.html" title="Axlsx::SeriesTitle (class)">SeriesTitle</a></span>, <span class='object_link'><a href="Axlsx/SimpleTypedList.html" title="Axlsx::SimpleTypedList (class)">SimpleTypedList</a></span>, <span class='object_link'><a href="Axlsx/Styles.html" title="Axlsx::Styles (class)">Styles</a></span>, <span class='object_link'><a href="Axlsx/TableStyle.html" title="Axlsx::TableStyle (class)">TableStyle</a></span>, <span class='object_link'><a href="Axlsx/TableStyleElement.html" title="Axlsx::TableStyleElement (class)">TableStyleElement</a></span>, <span class='object_link'><a href="Axlsx/TableStyles.html" title="Axlsx::TableStyles (class)">TableStyles</a></span>, <span class='object_link'><a href="Axlsx/Title.html" title="Axlsx::Title (class)">Title</a></span>, <span class='object_link'><a href="Axlsx/TwoCellAnchor.html" title="Axlsx::TwoCellAnchor (class)">TwoCellAnchor</a></span>, <span class='object_link'><a href="Axlsx/ValAxis.html" title="Axlsx::ValAxis (class)">ValAxis</a></span>, <span class='object_link'><a href="Axlsx/ValAxisData.html" title="Axlsx::ValAxisData (class)">ValAxisData</a></span>, <span class='object_link'><a href="Axlsx/View3D.html" title="Axlsx::View3D (class)">View3D</a></span>, <span class='object_link'><a href="Axlsx/Workbook.html" title="Axlsx::Workbook (class)">Workbook</a></span>, <span class='object_link'><a href="Axlsx/Worksheet.html" title="Axlsx::Worksheet (class)">Worksheet</a></span>, <span class='object_link'><a href="Axlsx/Xf.html" title="Axlsx::Xf (class)">Xf</a></span>
     
   
 </p>
@@ -122,7 +122,7 @@ version
 
 </div>
         </dt>
-        <dd><pre class="code"><span class='string val'>&quot;1.0.7&quot;</span>
+        <dd><pre class="code"><span class='string val'>&quot;1.0.8&quot;</span>
 </pre></dd>
       
         <dt id="ENCODING-constant" class="">ENCODING =
@@ -539,6 +539,24 @@ chart rels namespace
         <dd><pre class="code"><span class='string val'>&quot;http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart&quot;</span>
 </pre></dd>
       
+        <dt id="IMAGE_R-constant" class="">IMAGE_R =
+          <div class="docstring">
+  <div class="discussion">
+    <p>
+image rels namespace
+</p>
+
+
+  </div>
+</div>
+<div class="tags">
+  
+
+</div>
+        </dt>
+        <dd><pre class="code"><span class='string val'>&quot;http://schemas.openxmlformats.org/officeDocument/2006/relationships/image&quot;</span>
+</pre></dd>
+      
         <dt id="TABLE_CT-constant" class="">TABLE_CT =
           <div class="docstring">
   <div class="discussion">
@@ -719,6 +737,60 @@ chart content type
         <dd><pre class="code"><span class='string val'>&quot;application/vnd.openxmlformats-officedocument.drawingml.chart+xml&quot;</span>
 </pre></dd>
       
+        <dt id="JPEG_CT-constant" class="">JPEG_CT =
+          <div class="docstring">
+  <div class="discussion">
+    <p>
+jpeg content type
+</p>
+
+
+  </div>
+</div>
+<div class="tags">
+  
+
+</div>
+        </dt>
+        <dd><pre class="code"><span class='string val'>&quot;image/jpeg&quot;</span>
+</pre></dd>
+      
+        <dt id="GIF_CT-constant" class="">GIF_CT =
+          <div class="docstring">
+  <div class="discussion">
+    <p>
+gif content type
+</p>
+
+
+  </div>
+</div>
+<div class="tags">
+  
+
+</div>
+        </dt>
+        <dd><pre class="code"><span class='string val'>&quot;image/gif&quot;</span>
+</pre></dd>
+      
+        <dt id="PNG_CT-constant" class="">PNG_CT =
+          <div class="docstring">
+  <div class="discussion">
+    <p>
+png content type
+</p>
+
+
+  </div>
+</div>
+<div class="tags">
+  
+
+</div>
+        </dt>
+        <dd><pre class="code"><span class='string val'>&quot;image/png&quot;</span>
+</pre></dd>
+      
         <dt id="DRAWING_CT-constant" class="">DRAWING_CT =
           <div class="docstring">
   <div class="discussion">
@@ -755,6 +827,60 @@ xml content type extensions
         <dd><pre class="code"><span class='string val'>&quot;xml&quot;</span>
 </pre></dd>
       
+        <dt id="JPEG_EX-constant" class="">JPEG_EX =
+          <div class="docstring">
+  <div class="discussion">
+    <p>
+jpeg extension
+</p>
+
+
+  </div>
+</div>
+<div class="tags">
+  
+
+</div>
+        </dt>
+        <dd><pre class="code"><span class='string val'>&quot;jpeg&quot;</span>
+</pre></dd>
+      
+        <dt id="GIF_EX-constant" class="">GIF_EX =
+          <div class="docstring">
+  <div class="discussion">
+    <p>
+gif extension
+</p>
+
+
+  </div>
+</div>
+<div class="tags">
+  
+
+</div>
+        </dt>
+        <dd><pre class="code"><span class='string val'>&quot;gif&quot;</span>
+</pre></dd>
+      
+        <dt id="PNG_EX-constant" class="">PNG_EX =
+          <div class="docstring">
+  <div class="discussion">
+    <p>
+png extension
+</p>
+
+
+  </div>
+</div>
+<div class="tags">
+  
+
+</div>
+        </dt>
+        <dd><pre class="code"><span class='string val'>&quot;png&quot;</span>
+</pre></dd>
+      
         <dt id="RELS_EX-constant" class="">RELS_EX =
           <div class="docstring">
   <div class="discussion">
@@ -989,6 +1115,24 @@ chart part
         <dd><pre class="code"><span class='string val'>&quot;charts/chart%d.xml&quot;</span>
 </pre></dd>
       
+        <dt id="IMAGE_PN-constant" class="">IMAGE_PN =
+          <div class="docstring">
+  <div class="discussion">
+    <p>
+chart part
+</p>
+
+
+  </div>
+</div>
+<div class="tags">
+  
+
+</div>
+        </dt>
+        <dd><pre class="code"><span class='string val'>&quot;media/image%d.%s&quot;</span>
+</pre></dd>
+      
         <dt id="APP_XSD-constant" class="">APP_XSD =
           <div class="docstring">
   <div class="discussion">
@@ -1743,7 +1887,7 @@ The value validated
       <pre class="code"><span class="info file"># File 'lib/axlsx/util/validators.rb', line 114</span>
 
 <span class='def def kw'>def</span> <span class='self self kw'>self</span><span class='dot token'>.</span><span class='validate_content_type identifier id'>validate_content_type</span><span class='lparen token'>(</span><span class='v identifier id'>v</span><span class='rparen token'>)</span>
-  <span class='RestrictionValidator constant id'>RestrictionValidator</span><span class='dot token'>.</span><span class='validate identifier id'>validate</span> <span class='symbol val'>:content_type</span><span class='comma token'>,</span> <span class='lbrack token'>[</span><span class='TABLE_CT constant id'>TABLE_CT</span><span class='comma token'>,</span> <span class='WORKBOOK_CT constant id'>WORKBOOK_CT</span><span class='comma token'>,</span> <span class='APP_CT constant id'>APP_CT</span><span class='comma token'>,</span> <span class='RELS_CT constant id'>RELS_CT</span><span class='comma token'>,</span> <span class='STYLES_CT constant id'>STYLES_CT</span><span class='comma token'>,</span> <span class='XML_CT constant id'>XML_CT</span><span class='comma token'>,</span> <span class='WORKSHEET_CT constant id'>WORKSHEET_CT</span><span class='comma token'>,</span> <span class='SHARED_STRINGS_CT constant id'>SHARED_STRINGS_CT</span><span class='comma token'>,</span> <span class='CORE_CT constant id'>CORE_CT</span><span class='comma token'>,</span> <span class='CHART_CT constant id'>CHART_CT</span><span class='comma token'>,</span> <span class='DRAWING_CT constant id'>DRAWING_CT</span><span class='rbrack token'>]</span><span class='comma token'>,</span> <span class='v identifier id'>v</span>
+  <span class='RestrictionValidator constant id'>RestrictionValidator</span><span class='dot token'>.</span><span class='validate identifier id'>validate</span> <span class='symbol val'>:content_type</span><span class='comma token'>,</span> <span class='lbrack token'>[</span><span class='TABLE_CT constant id'>TABLE_CT</span><span class='comma token'>,</span> <span class='WORKBOOK_CT constant id'>WORKBOOK_CT</span><span class='comma token'>,</span> <span class='APP_CT constant id'>APP_CT</span><span class='comma token'>,</span> <span class='RELS_CT constant id'>RELS_CT</span><span class='comma token'>,</span> <span class='STYLES_CT constant id'>STYLES_CT</span><span class='comma token'>,</span> <span class='XML_CT constant id'>XML_CT</span><span class='comma token'>,</span> <span class='WORKSHEET_CT constant id'>WORKSHEET_CT</span><span class='comma token'>,</span> <span class='SHARED_STRINGS_CT constant id'>SHARED_STRINGS_CT</span><span class='comma token'>,</span> <span class='CORE_CT constant id'>CORE_CT</span><span class='comma token'>,</span> <span class='CHART_CT constant id'>CHART_CT</span><span class='comma token'>,</span> <span class='JPEG_CT constant id'>JPEG_CT</span><span class='comma token'>,</span> <span class='GIF_CT constant id'>GIF_CT</span><span class='comma token'>,</span> <span class='PNG_CT constant id'>PNG_CT</span><span class='comma token'>,</span> <span class='DRAWING_CT constant id'>DRAWING_CT</span><span class='rbrack token'>]</span><span class='comma token'>,</span> <span class='v identifier id'>v</span>
 <span class='end end kw'>end</span>
 </pre>
     </td>
@@ -2126,7 +2270,7 @@ The value validated
       <pre class="code"><span class="info file"># File 'lib/axlsx/util/validators.rb', line 121</span>
 
 <span class='def def kw'>def</span> <span class='self self kw'>self</span><span class='dot token'>.</span><span class='validate_relationship_type identifier id'>validate_relationship_type</span><span class='lparen token'>(</span><span class='v identifier id'>v</span><span class='rparen token'>)</span>
-  <span class='RestrictionValidator constant id'>RestrictionValidator</span><span class='dot token'>.</span><span class='validate identifier id'>validate</span> <span class='symbol val'>:relationship_type</span><span class='comma token'>,</span> <span class='lbrack token'>[</span><span class='XML_NS_R constant id'>XML_NS_R</span><span class='comma token'>,</span> <span class='TABLE_R constant id'>TABLE_R</span><span class='comma token'>,</span> <span class='WORKBOOK_R constant id'>WORKBOOK_R</span><span class='comma token'>,</span> <span class='WORKSHEET_R constant id'>WORKSHEET_R</span><span class='comma token'>,</span> <span class='APP_R constant id'>APP_R</span><span class='comma token'>,</span> <span class='RELS_R constant id'>RELS_R</span><span class='comma token'>,</span> <span class='CORE_R constant id'>CORE_R</span><span class='comma token'>,</span> <span class='STYLES_R constant id'>STYLES_R</span><span class='comma token'>,</span> <span class='CHART_R constant id'>CHART_R</span><span class='comma token'>,</span> <span class='DRAWING_R constant id'>DRAWING_R</span><span class='rbrack token'>]</span><span class='comma token'>,</span> <span class='v identifier id'>v</span>
+  <span class='RestrictionValidator constant id'>RestrictionValidator</span><span class='dot token'>.</span><span class='validate identifier id'>validate</span> <span class='symbol val'>:relationship_type</span><span class='comma token'>,</span> <span class='lbrack token'>[</span><span class='XML_NS_R constant id'>XML_NS_R</span><span class='comma token'>,</span> <span class='TABLE_R constant id'>TABLE_R</span><span class='comma token'>,</span> <span class='WORKBOOK_R constant id'>WORKBOOK_R</span><span class='comma token'>,</span> <span class='WORKSHEET_R constant id'>WORKSHEET_R</span><span class='comma token'>,</span> <span class='APP_R constant id'>APP_R</span><span class='comma token'>,</span> <span class='RELS_R constant id'>RELS_R</span><span class='comma token'>,</span> <span class='CORE_R constant id'>CORE_R</span><span class='comma token'>,</span> <span class='STYLES_R constant id'>STYLES_R</span><span class='comma token'>,</span> <span class='CHART_R constant id'>CHART_R</span><span class='comma token'>,</span> <span class='DRAWING_R constant id'>DRAWING_R</span><span class='comma token'>,</span> <span class='IMAGE_R constant id'>IMAGE_R</span><span class='rbrack token'>]</span><span class='comma token'>,</span> <span class='v identifier id'>v</span>
 <span class='end end kw'>end</span>
 </pre>
     </td>
@@ -2434,7 +2578,7 @@ The value validated
 </div>
     
     <div id="footer">
-  Generated on Wed Nov 23 12:36:29 2011 by 
+  Generated on Wed Nov 23 21:44:35 2011 by 
   <a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
   0.7.3 (ruby-1.8.7).
 </div>