CustomShapes.xaml

<p:ResourceDictionary 
                    xmlns:p="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns="http://schemas.devexpress.com/winfx/2008/xaml/diagram"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <ShapeTemplate x:Key="{ShapeKey Shape1}" DefaultSize="50, 100" >
        <Start X="0" Y="0"/>
        <Line X="1" Y="0" />
        <Line X="0.8" Y="0.8" />
        <Line X="0" Y="1" />
        <ShapeTemplate.ConnectionPoints>
            <ShapePoint X="0" Y="0" />
            <ShapePoint X="0.5" Y="0" />
            <ShapePoint X="1" Y="0" />
            <ShapePoint X="0.8" Y="0.8" />
            <ShapePoint X="0" Y="1" />
            <ShapePoint X="0" Y="0.5" />
        </ShapeTemplate.ConnectionPoints>
    </ShapeTemplate>

    <!--W - shape width--> 
    <!--H - shape height-->
    <ShapeTemplate x:Key="{ShapeKey Shape2}" DefaultSize="60, 120">
        <Start X="0" Y="0" FillColor="Brown"/>
        <Arc X="1" Y="0" Size="CreateSize(W/2, H/10)" Direction="Counterclockwise" />
        <Arc X="1" Y="1" Size="CreateSize(W/10, H/2)" Direction="Counterclockwise" />
        <Arc X="0" Y="1" Size="CreateSize(W/2, H/10)" Direction="Counterclockwise" />
        <Arc X="0" Y="0" Size="CreateSize(W/10, H/2)" Direction="Counterclockwise" />
        <ShapeTemplate.ConnectionPoints>
            <ShapePoint X="0" Y="0" />
            <ShapePoint X="1" Y="0" />
            <ShapePoint X="0" Y="1" />
        </ShapeTemplate.ConnectionPoints>
    </ShapeTemplate>

    <!--P0 - parameter 0-->
    <!--P in Point definition - parameter value -->
    <!--P in Value definition - parameter point-->
    <ShapeTemplate x:Key="{ShapeKey Shape3}" DefaultSize="60, 120">
        <Start X="0" Y="0" FillColor="Brown"/>
        <Arc X="1" Y="0" Size="CreateSize(W/2, P0 * H)" Direction="Counterclockwise" />
        <Line X="1" Y="1"/>
        <Line X="0" Y="1"/>
        <Line X="0" Y="0"/>
        <ShapeTemplate.ConnectionPoints>
            <ShapePoint X="0" Y="0" />
            <ShapePoint X="1" Y="0" />
            <ShapePoint X="0" Y="1" />
        </ShapeTemplate.ConnectionPoints>
        <ShapeTemplate.Parameters>
            <Parameter DefaultValue="0.1" 
                       Point="CreatePoint(W / 2, P * H)" 
                       Value="P.Y / H" 
                       Min="0" Max="1" />
        </ShapeTemplate.Parameters>
    </ShapeTemplate>

    <!--this shape contains two rows-->
    <ShapeTemplate x:Key="{ShapeKey Shape4}" DefaultSize="60, 120" Rows="H*P0;H*(1-P0)" IsQuick="True">
        <Start X="0" Y="0" FillColor="Green"/>
        <Line X="1" Y="0"/>
        <Line X="1" Y="1"/>
        <Line X="0" Y="1"/>
        <Start X="0" Y="1" FillColor="Red"/>
        <Line X="1" Y="1"/>
        <Line X="1" Y="2"/>
        <Line X="0" Y="2"/>
        <ShapeTemplate.ConnectionPoints>
            <ShapePoint X="0.5" Y="0" />
            <ShapePoint X="1" Y="1" />
            <ShapePoint X="0.5" Y="2" />
            <ShapePoint X="0" Y="1" />
        </ShapeTemplate.ConnectionPoints>
        <ShapeTemplate.Parameters>
            <Parameter DefaultValue="0.5" 
                       Point="CreatePoint(W, P * H)" 
                       Value="P.Y / H" 
                       Min="0" Max="1" />
        </ShapeTemplate.Parameters>
    </ShapeTemplate>



</p:ResourceDictionary>