feature: document template QR Code image extensions

Disco.Models/Disco.Models.csproj

@@ -49,6 +49,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="BI\Config\OrganisationAddress.cs" />
+    <Compile Include="Services\Expressions\Extensions\ImageExpressionFormat.cs" />
     <Compile Include="ClientServices\EnrolmentInformation\BaseBoard.cs" />
     <Compile Include="ClientServices\EnrolmentInformation\Battery.cs" />
     <Compile Include="ClientServices\EnrolmentInformation\Bios.cs" />
@@ -86,7 +87,7 @@
     <Compile Include="Services\Authorization\IClaimNavigatorItem.cs" />
     <Compile Include="Services\Authorization\IRoleToken.cs" />
     <Compile Include="Services\Documents\DocumentState.cs" />
-    <Compile Include="BI\Expressions\IImageExpressionResult.cs" />
+    <Compile Include="Services\Expressions\Extensions\IImageExpressionResult.cs" />
     <Compile Include="Services\Jobs\Statistics\DailyOpenedClosedItem.cs" />
     <Compile Include="ClientServices\EnrolResponse.cs" />
     <Compile Include="ClientServices\MacEnrol.cs" />

Disco.Models/Services/Expressions/Extensions/IImageExpressionResult.cs

@@ -1,13 +1,13 @@
 using System.IO;
 
-namespace Disco.Models.BI.Expressions
+namespace Disco.Models.Services.Expressions.Extensions
 {
     public interface IImageExpressionResult
     {
-        Stream GetImage(int Width, int Height);
-        Stream GetImage();
+        MemoryStream GetImage(int width, int height);
+        MemoryStream GetImage(out int width, out int height);
         byte Quality { get; set; }
-        bool LosslessFormat { get; set; }
+        ImageExpressionFormat Format { get; set; }
         bool ShowField { get; set; }
         string BackgroundColour { get; set; }
         bool BackgroundPreferTransparent { get; set; }

Disco.Models/Services/Expressions/Extensions/ImageExpressionFormat.cs

@@ -0,0 +1,9 @@
+namespace Disco.Models.Services.Expressions.Extensions
+{
+    public enum ImageExpressionFormat
+    {
+        Jpeg,
+        Png,
+        CcittG4,
+    }
+}