Add templating for assa bog box drawing

build.bat

@@ -186,6 +186,7 @@ COPY /Y /V "zlib.net.dll"           "temp_zip\"
 COPY /Y /V "NHunspell.dll"           "temp_zip\"
 COPY /Y /V "UtfUnknown.dll"           "temp_zip\"
 COPY /Y /V "Vosk.dll"           "temp_zip\"
+COPY /Y /V "NCalc.dll"           "temp_zip\"
 COPY /Y /V "..\..\DLLs\Interop.QuartzTypeLib.dll"           "temp_zip\"
 COPY /Y /V "System.Net.Http.Extensions.dll"           "temp_zip\"
 COPY /Y /V "Newtonsoft.Json.dll"           "temp_zip\"

build_beta.bat

@@ -174,6 +174,7 @@ COPY /Y /V "zlib.net.dll"           "temp_zip\"
 COPY /Y /V "NHunspell.dll"           "temp_zip\"
 COPY /Y /V "UtfUnknown.dll"           "temp_zip\"
 COPY /Y /V "Vosk.dll"           "temp_zip\"
+COPY /Y /V "NCalc.dll"           "temp_zip\"
 COPY /Y /V "..\..\DLLs\Interop.QuartzTypeLib.dll"           "temp_zip\"
 COPY /Y /V "System.Net.Http.Extensions.dll"           "temp_zip\"
 COPY /Y /V "Newtonsoft.Json.dll"           "temp_zip\"

installer/Subtitle_Edit_installer.iss

@@ -305,6 +305,7 @@ Source: {#bindir}\zlib.net.dll;                    DestDir: {app};
 Source: {#bindir}\NHunspell.dll;                   DestDir: {app};                                    Flags: ignoreversion; Components: main
 Source: {#bindir}\UtfUnknown.dll;                  DestDir: {app};                                    Flags: ignoreversion; Components: main
 Source: {#bindir}\Vosk.dll;                        DestDir: {app};                                    Flags: ignoreversion; Components: main
+Source: {#bindir}\NCalc.dll;                       DestDir: {app};                                    Flags: ignoreversion; Components: main
 Source: ..\src\ui\DLLs\Interop.QuartzTypeLib.dll;  DestDir: {app};                                    Flags: ignoreversion; Components: main
 Source: {#bindir}\Newtonsoft.Json.dll;             DestDir: {app};                                    Flags: ignoreversion; Components: main
 Source: {#bindir}\System.Net.Http.Extensions.dll;  DestDir: {app};                                    Flags: ignoreversion; Components: main
@@ -343,6 +344,7 @@ Type: files;      Name: {app}\zlib.net.dll;                           Check: IsU
 Type: files;      Name: {app}\NHunspell.dll;                          Check: IsUpgrade()
 Type: files;      Name: {app}\UtfUnknown.dll;                         Check: IsUpgrade()
 Type: files;      Name: {app}\Vosk.dll;                               Check: IsUpgrade()
+Type: files;      Name: {app}\NCalc.dll;                              Check: IsUpgrade()
 Type: files;      Name: {app}\Interop.QuartzTypeLib.dll;              Check: IsUpgrade()
 Type: files;      Name: {app}\Newtonsoft.Json.dll;                    Check: IsUpgrade()
 Type: files;      Name: {app}\System.Net.Http.Extensions.dll;         Check: IsUpgrade()

src/ui/Forms/Assa/AssSetBackground.cs

@@ -14,6 +14,7 @@ using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using NCalc;
 
 namespace Nikse.SubtitleEdit.Forms.Assa
 {
@@ -496,7 +497,7 @@ namespace Nikse.SubtitleEdit.Forms.Assa
                 }
                 else if (radioButtonTopCenter.Checked)
                 {
-                    pos = $"{{\\pos({x + (width / 2) + marginH},{top+ marginV})}}";
+                    pos = $"{{\\pos({x + (width / 2) + marginH},{top + marginV})}}";
                 }
                 else if (radioButtonTopRight.Checked)
                 {
@@ -530,10 +531,8 @@ namespace Nikse.SubtitleEdit.Forms.Assa
                 var layerAdd = 1;
                 foreach (var dp in _drawing.Paragraphs.OrderBy(pa => pa.Layer))
                 {
-                    var pDrawing = new Paragraph(dp.Text, 0, 1000);
+                    var pDrawing = new Paragraph(dp.Text, p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds);
-                    pDrawing.Text = pos + pDrawing.Text;
+                    pDrawing.Text = pos + TranslateTemplate(pDrawing.Text, x, top, right, bottom);
-                    pDrawing.StartTime.TotalMilliseconds = p.StartTime.TotalMilliseconds;
-                    pDrawing.EndTime.TotalMilliseconds = p.EndTime.TotalMilliseconds;
                     pDrawing.Layer = Configuration.Settings.Tools.AssaBgBoxLayer + layerAdd;
                     pDrawing.Extra = "SE-box-drawing";
                     subtitle.InsertParagraphInCorrectTimeOrder(pDrawing);
@@ -542,6 +541,63 @@ namespace Nikse.SubtitleEdit.Forms.Assa
             }
         }
 
+        private string TranslateTemplate(string input, int left, int top, int right, int bottom)
+        {
+            var text = input;
+            var width = right - left;
+            var height = bottom - top;
+
+            try
+            {
+                var startIdx = text.IndexOf('[');
+                while (startIdx >= 0)
+                {
+                    var endIdx = text.IndexOf(']', startIdx);
+                    if (endIdx < 0)
+                    {
+                        return input;
+                    }
+
+                    var expr = text.Substring(startIdx+1, endIdx - startIdx - 1);
+                    expr = expr.ToUpperInvariant()
+                        .Replace("LEFT", left.ToString(CultureInfo.InvariantCulture))
+                        .Replace("TOP", top.ToString(CultureInfo.InvariantCulture))
+                        .Replace("RIGHT", right.ToString(CultureInfo.InvariantCulture))
+                        .Replace("BOTTOM", bottom.ToString(CultureInfo.InvariantCulture))
+                        .Replace("WIDTH", width.ToString(CultureInfo.InvariantCulture))
+                        .Replace("HEIGHT", height.ToString(CultureInfo.InvariantCulture));
+
+                    var calcExpression = new Expression(expr);
+                    var calcObj = calcExpression.Evaluate();
+                    var calcResult = calcExpression.Evaluate().ToString();
+                    if (calcObj is double numberDouble)
+                    {
+                        calcResult = numberDouble.ToString(CultureInfo.InvariantCulture);
+                    }
+                    else if (calcObj is float numberFloat)
+                    {
+                        calcResult = numberFloat.ToString(CultureInfo.InvariantCulture);
+                    }
+                    else if (calcObj is decimal numberDecimal)
+                    {
+                        calcResult = numberDecimal.ToString(CultureInfo.InvariantCulture);
+                    }
+
+                    text = text
+                        .Remove(startIdx, endIdx - startIdx + 1)
+                        .Insert(startIdx, calcResult);
+
+                    startIdx = text.IndexOf('[', startIdx);
+                }
+
+                return text;
+            }
+            catch
+            {
+                return input;
+            }
+        }
+
         private void ApplyCustomStyles_FormClosing(object sender, FormClosingEventArgs e)
         {
             _closing = true;

src/ui/SubtitleEdit.csproj

@@ -61,6 +61,9 @@
       <HintPath>DLLs\Interop.QuartzTypeLib.dll</HintPath>
       <SpecificVersion>False</SpecificVersion>
     </Reference>
+    <Reference Include="NCalc, Version=1.3.8.0, Culture=neutral, PublicKeyToken=973cde3f1cafed03, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\ncalc.1.3.8\lib\NCalc.dll</HintPath>
+    </Reference>
     <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>

src/ui/packages.config

@@ -3,6 +3,7 @@
   <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net462" />
   <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net462" />
   <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net462" />
+  <package id="ncalc" version="1.3.8" targetFramework="net472" />
   <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="NHunspell" version="1.2.5554.16953" targetFramework="net462" />
   <package id="Vosk" version="0.3.32" targetFramework="net472" />