add uniffi CharGrid

crates/servicepoint_binding_uniffi/Cargo.toml

@@ -17,7 +17,7 @@ uniffi = { version = "0.25.0", features = ["build"] }
 
 [dependencies]
 uniffi = { version = "0.25.0" }
-thiserror = "1.0.66"
+thiserror.workspace = true
 
 [dependencies.servicepoint]
 version = "0.11.0"

crates/servicepoint_binding_uniffi/libraries/csharp/ServicePoint.Tests/CharGridTests.cs

@@ -0,0 +1,31 @@
+namespace ServicePoint.Tests;
+
+public class CharGridTests
+{
+    [Fact]
+    public void BasicFunctions()
+    {
+        var grid = new CharGrid(8, 2);
+        Assert.Equal("\0", grid.Get(0, 0));
+        Assert.Equal("\0", grid.Get(grid.Width() - 1, grid.Height() - 1));
+        grid.Fill(" ");
+        Assert.Equal(" ", grid.Get(1, 1));
+        grid.Set(1, 1, "-");
+        Assert.Equal("-", grid.Get(1, 1));
+        Assert.Throws<PanicException>(() => grid.Get(8, 2));
+    }
+
+    [Fact]
+    public void RowAndCol()
+    {
+        var grid = new CharGrid(3, 2);
+        Assert.Equal("\0\0\0", grid.GetRow(0));
+        grid.Fill(" ");
+        Assert.Equal("  ", grid.GetCol(1));
+        Assert.Throws<CharGridException.OutOfBounds>(() => grid.GetCol(3));
+        Assert.Throws<CharGridException.InvalidSeriesLength>(() => grid.SetRow(1, "Text"));
+        grid.SetRow(1, "Foo");
+        Assert.Equal("Foo", grid.GetRow(1));
+        Assert.Equal(" o", grid.GetCol(2));
+    }
+}

crates/servicepoint_binding_uniffi/libraries/csharp/ServicePoint.Tests/CommandTests.cs

@@ -37,6 +37,6 @@ public class CommandTests
     [Fact]
     public void BitmapLinearWinSendable()
     {
-        _connection.Send(Command.BitmapLinearWin(0, 0, Bitmap.NewMaxSized()));
+        _connection.Send(Command.BitmapLinearWin(0, 0, Bitmap.NewMaxSized(), CompressionCode.Uncompressed));
     }
 }

crates/servicepoint_binding_uniffi/libraries/csharp/ServicePoint/servicepoint_binding_uniffi.cs

@@ -563,6 +563,71 @@ static class _UniFFILib {
     public static extern ulong uniffi_servicepoint_binding_uniffi_fn_method_brightnessgrid_width(BrightnessGridSafeHandle @ptr,ref RustCallStatus _uniffi_out_err
     );
 
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern void uniffi_servicepoint_binding_uniffi_fn_free_chargrid(
+    IntPtr ptr,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern CharGridSafeHandle uniffi_servicepoint_binding_uniffi_fn_constructor_chargrid_clone(CharGridSafeHandle @other,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern CharGridSafeHandle uniffi_servicepoint_binding_uniffi_fn_constructor_chargrid_load(RustBuffer @data,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern CharGridSafeHandle uniffi_servicepoint_binding_uniffi_fn_constructor_chargrid_new(ulong @width,ulong @height,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern RustBuffer uniffi_servicepoint_binding_uniffi_fn_method_chargrid_as_string(CharGridSafeHandle @ptr,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern sbyte uniffi_servicepoint_binding_uniffi_fn_method_chargrid_equals(CharGridSafeHandle @ptr,CharGridSafeHandle @other,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern void uniffi_servicepoint_binding_uniffi_fn_method_chargrid_fill(CharGridSafeHandle @ptr,RustBuffer @value,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern RustBuffer uniffi_servicepoint_binding_uniffi_fn_method_chargrid_get(CharGridSafeHandle @ptr,ulong @x,ulong @y,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern RustBuffer uniffi_servicepoint_binding_uniffi_fn_method_chargrid_get_col(CharGridSafeHandle @ptr,ulong @x,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern RustBuffer uniffi_servicepoint_binding_uniffi_fn_method_chargrid_get_row(CharGridSafeHandle @ptr,ulong @y,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ulong uniffi_servicepoint_binding_uniffi_fn_method_chargrid_height(CharGridSafeHandle @ptr,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern void uniffi_servicepoint_binding_uniffi_fn_method_chargrid_set(CharGridSafeHandle @ptr,ulong @x,ulong @y,RustBuffer @value,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern void uniffi_servicepoint_binding_uniffi_fn_method_chargrid_set_col(CharGridSafeHandle @ptr,ulong @x,RustBuffer @col,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern void uniffi_servicepoint_binding_uniffi_fn_method_chargrid_set_row(CharGridSafeHandle @ptr,ulong @y,RustBuffer @row,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern Cp437GridSafeHandle uniffi_servicepoint_binding_uniffi_fn_method_chargrid_to_cp437(CharGridSafeHandle @ptr,ref RustCallStatus _uniffi_out_err
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ulong uniffi_servicepoint_binding_uniffi_fn_method_chargrid_width(CharGridSafeHandle @ptr,ref RustCallStatus _uniffi_out_err
+    );
+
     [DllImport("servicepoint_binding_uniffi")]
     public static extern void uniffi_servicepoint_binding_uniffi_fn_free_command(
     IntPtr ptr,ref RustCallStatus _uniffi_out_err
@@ -678,6 +743,10 @@ static class _UniFFILib {
     public static extern void uniffi_servicepoint_binding_uniffi_fn_method_cp437grid_set(Cp437GridSafeHandle @ptr,ulong @x,ulong @y,byte @value,ref RustCallStatus _uniffi_out_err
     );
 
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern CharGridSafeHandle uniffi_servicepoint_binding_uniffi_fn_method_cp437grid_to_utf8(Cp437GridSafeHandle @ptr,ref RustCallStatus _uniffi_out_err
+    );
+
     [DllImport("servicepoint_binding_uniffi")]
     public static extern ulong uniffi_servicepoint_binding_uniffi_fn_method_cp437grid_width(Cp437GridSafeHandle @ptr,ref RustCallStatus _uniffi_out_err
     );
@@ -990,6 +1059,54 @@ static class _UniFFILib {
     public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_brightnessgrid_width(
     );
 
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_as_string(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_equals(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_fill(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get_col(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get_row(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_height(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set_col(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set_row(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_to_cp437(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_width(
+    );
+
     [DllImport("servicepoint_binding_uniffi")]
     public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_command_equals(
     );
@@ -1022,6 +1139,10 @@ static class _UniFFILib {
     public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_cp437grid_set(
     );
 
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_cp437grid_to_utf8(
+    );
+
     [DllImport("servicepoint_binding_uniffi")]
     public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_method_cp437grid_width(
     );
@@ -1066,6 +1187,18 @@ static class _UniFFILib {
     public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_constructor_brightnessgrid_new(
     );
 
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_clone(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_load(
+    );
+
+    [DllImport("servicepoint_binding_uniffi")]
+    public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_new(
+    );
+
     [DllImport("servicepoint_binding_uniffi")]
     public static extern ushort uniffi_servicepoint_binding_uniffi_checksum_constructor_command_bitmap_linear(
     );
@@ -1268,6 +1401,78 @@ static class _UniFFILib {
                 throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_brightnessgrid_width` checksum `26384`, library returned `{checksum}`");
             }
         }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_as_string();
+            if (checksum != 46581) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_as_string` checksum `46581`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_equals();
+            if (checksum != 17533) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_equals` checksum `17533`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_fill();
+            if (checksum != 56996) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_fill` checksum `56996`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get();
+            if (checksum != 1334) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get` checksum `1334`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get_col();
+            if (checksum != 64158) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get_col` checksum `64158`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get_row();
+            if (checksum != 39411) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_get_row` checksum `39411`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_height();
+            if (checksum != 13068) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_height` checksum `13068`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set();
+            if (checksum != 64815) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set` checksum `64815`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set_col();
+            if (checksum != 43727) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set_col` checksum `43727`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set_row();
+            if (checksum != 19756) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_set_row` checksum `19756`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_to_cp437();
+            if (checksum != 19261) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_to_cp437` checksum `19261`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_width();
+            if (checksum != 48963) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_chargrid_width` checksum `48963`, library returned `{checksum}`");
+            }
+        }
         {
             var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_command_equals();
             if (checksum != 20763) {
@@ -1316,6 +1521,12 @@ static class _UniFFILib {
                 throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_cp437grid_set` checksum `8371`, library returned `{checksum}`");
             }
         }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_cp437grid_to_utf8();
+            if (checksum != 21516) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_method_cp437grid_to_utf8` checksum `21516`, library returned `{checksum}`");
+            }
+        }
         {
             var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_method_cp437grid_width();
             if (checksum != 36872) {
@@ -1382,6 +1593,24 @@ static class _UniFFILib {
                 throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_constructor_brightnessgrid_new` checksum `4979`, library returned `{checksum}`");
             }
         }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_clone();
+            if (checksum != 61241) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_clone` checksum `61241`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_load();
+            if (checksum != 47815) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_load` checksum `47815`, library returned `{checksum}`");
+            }
+        }
+        {
+            var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_new();
+            if (checksum != 13303) {
+                throw new UniffiContractChecksumException($"ServicePoint: uniffi bindings expected function `uniffi_servicepoint_binding_uniffi_checksum_constructor_chargrid_new` checksum `13303`, library returned `{checksum}`");
+            }
+        }
         {
             var checksum = _UniFFILib.uniffi_servicepoint_binding_uniffi_checksum_constructor_command_bitmap_linear();
             if (checksum != 18079) {
@@ -2122,6 +2351,196 @@ class FfiConverterTypeBrightnessGrid: FfiConverter<BrightnessGrid, BrightnessGri
 
 
 
+public interface ICharGrid {
+    
+    String AsString();
+    
+    bool Equals(CharGrid @other);
+    
+    /// <exception cref="CharGridException"></exception>
+    void Fill(String @value);
+    
+    String Get(ulong @x, ulong @y);
+    
+    /// <exception cref="CharGridException"></exception>
+    String GetCol(ulong @x);
+    
+    /// <exception cref="CharGridException"></exception>
+    String GetRow(ulong @y);
+    
+    ulong Height();
+    
+    /// <exception cref="CharGridException"></exception>
+    void Set(ulong @x, ulong @y, String @value);
+    
+    /// <exception cref="CharGridException"></exception>
+    void SetCol(ulong @x, String @col);
+    
+    /// <exception cref="CharGridException"></exception>
+    void SetRow(ulong @y, String @row);
+    
+    Cp437Grid ToCp437();
+    
+    ulong Width();
+    
+}
+
+public class CharGridSafeHandle: FFISafeHandle {
+    public CharGridSafeHandle(): base() {
+    }
+    public CharGridSafeHandle(IntPtr pointer): base(pointer) {
+    }
+    override protected bool ReleaseHandle() {
+        _UniffiHelpers.RustCall((ref RustCallStatus status) => {
+            _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_free_chargrid(this.handle, ref status);
+        });
+        return true;
+    }
+}
+public class CharGrid: FFIObject<CharGridSafeHandle>, ICharGrid {
+    public CharGrid(CharGridSafeHandle pointer): base(pointer) {}
+    public CharGrid(ulong @width, ulong @height) :
+        this(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_constructor_chargrid_new(FfiConverterUInt64.INSTANCE.Lower(@width), FfiConverterUInt64.INSTANCE.Lower(@height), ref _status)
+)) {}
+
+    
+    public String AsString() {
+        return FfiConverterString.INSTANCE.Lift(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_as_string(this.GetHandle(),  ref _status)
+));
+    }
+    
+    public bool Equals(CharGrid @other) {
+        return FfiConverterBoolean.INSTANCE.Lift(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_equals(this.GetHandle(), FfiConverterTypeCharGrid.INSTANCE.Lower(@other), ref _status)
+));
+    }
+    
+    /// <exception cref="CharGridException"></exception>
+    public void Fill(String @value) {
+    _UniffiHelpers.RustCallWithError(FfiConverterTypeCharGridException.INSTANCE, (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_fill(this.GetHandle(), FfiConverterString.INSTANCE.Lower(@value), ref _status)
+);
+    }
+    
+    
+    public String Get(ulong @x, ulong @y) {
+        return FfiConverterString.INSTANCE.Lift(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_get(this.GetHandle(), FfiConverterUInt64.INSTANCE.Lower(@x), FfiConverterUInt64.INSTANCE.Lower(@y), ref _status)
+));
+    }
+    
+    /// <exception cref="CharGridException"></exception>
+    public String GetCol(ulong @x) {
+        return FfiConverterString.INSTANCE.Lift(
+    _UniffiHelpers.RustCallWithError(FfiConverterTypeCharGridException.INSTANCE, (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_get_col(this.GetHandle(), FfiConverterUInt64.INSTANCE.Lower(@x), ref _status)
+));
+    }
+    
+    /// <exception cref="CharGridException"></exception>
+    public String GetRow(ulong @y) {
+        return FfiConverterString.INSTANCE.Lift(
+    _UniffiHelpers.RustCallWithError(FfiConverterTypeCharGridException.INSTANCE, (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_get_row(this.GetHandle(), FfiConverterUInt64.INSTANCE.Lower(@y), ref _status)
+));
+    }
+    
+    public ulong Height() {
+        return FfiConverterUInt64.INSTANCE.Lift(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_height(this.GetHandle(),  ref _status)
+));
+    }
+    
+    /// <exception cref="CharGridException"></exception>
+    public void Set(ulong @x, ulong @y, String @value) {
+    _UniffiHelpers.RustCallWithError(FfiConverterTypeCharGridException.INSTANCE, (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_set(this.GetHandle(), FfiConverterUInt64.INSTANCE.Lower(@x), FfiConverterUInt64.INSTANCE.Lower(@y), FfiConverterString.INSTANCE.Lower(@value), ref _status)
+);
+    }
+    
+    
+    /// <exception cref="CharGridException"></exception>
+    public void SetCol(ulong @x, String @col) {
+    _UniffiHelpers.RustCallWithError(FfiConverterTypeCharGridException.INSTANCE, (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_set_col(this.GetHandle(), FfiConverterUInt64.INSTANCE.Lower(@x), FfiConverterString.INSTANCE.Lower(@col), ref _status)
+);
+    }
+    
+    
+    /// <exception cref="CharGridException"></exception>
+    public void SetRow(ulong @y, String @row) {
+    _UniffiHelpers.RustCallWithError(FfiConverterTypeCharGridException.INSTANCE, (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_set_row(this.GetHandle(), FfiConverterUInt64.INSTANCE.Lower(@y), FfiConverterString.INSTANCE.Lower(@row), ref _status)
+);
+    }
+    
+    
+    public Cp437Grid ToCp437() {
+        return FfiConverterTypeCp437Grid.INSTANCE.Lift(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_to_cp437(this.GetHandle(),  ref _status)
+));
+    }
+    
+    public ulong Width() {
+        return FfiConverterUInt64.INSTANCE.Lift(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_chargrid_width(this.GetHandle(),  ref _status)
+));
+    }
+    
+
+    
+    public static CharGrid Clone(CharGrid @other) {
+        return new CharGrid(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_constructor_chargrid_clone(FfiConverterTypeCharGrid.INSTANCE.Lower(@other), ref _status)
+));
+    }
+    
+    public static CharGrid Load(String @data) {
+        return new CharGrid(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_constructor_chargrid_load(FfiConverterString.INSTANCE.Lower(@data), ref _status)
+));
+    }
+    
+    
+}
+
+class FfiConverterTypeCharGrid: FfiConverter<CharGrid, CharGridSafeHandle> {
+    public static FfiConverterTypeCharGrid INSTANCE = new FfiConverterTypeCharGrid();
+
+    public override CharGridSafeHandle Lower(CharGrid value) {
+        return value.GetHandle();
+    }
+
+    public override CharGrid Lift(CharGridSafeHandle value) {
+        return new CharGrid(value);
+    }
+
+    public override CharGrid Read(BigEndianStream stream) {
+        return Lift(new CharGridSafeHandle(new IntPtr(stream.ReadLong())));
+    }
+
+    public override int AllocationSize(CharGrid value) {
+        return 8;
+    }
+
+    public override void Write(CharGrid value, BigEndianStream stream) {
+        stream.WriteLong(Lower(value).DangerousGetRawFfiValue().ToInt64());
+    }
+}
+
+
+
 public interface ICommand {
     
     bool Equals(Command @other);
@@ -2355,6 +2774,8 @@ public interface ICp437Grid {
     
     void Set(ulong @x, ulong @y, byte @value);
     
+    CharGrid ToUtf8();
+    
     ulong Width();
     
 }
@@ -2422,6 +2843,13 @@ public class Cp437Grid: FFIObject<Cp437GridSafeHandle>, ICp437Grid {
     }
     
     
+    public CharGrid ToUtf8() {
+        return FfiConverterTypeCharGrid.INSTANCE.Lift(
+    _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
+    _UniFFILib.uniffi_servicepoint_binding_uniffi_fn_method_cp437grid_to_utf8(this.GetHandle(),  ref _status)
+));
+    }
+    
     public ulong Width() {
         return FfiConverterUInt64.INSTANCE.Lift(
     _UniffiHelpers.RustCall( (ref RustCallStatus _status) =>
@@ -2476,6 +2904,121 @@ class FfiConverterTypeCp437Grid: FfiConverter<Cp437Grid, Cp437GridSafeHandle> {
 
 
 
+public class CharGridException: UniffiException {
+    // Each variant is a nested class
+    
+    
+    public class StringNotOneChar : CharGridException {
+        // Members
+        public String @value;
+
+        // Constructor
+        public StringNotOneChar(
+                String @value) {
+            this.@value = @value;
+        }
+    }
+    
+    
+    public class InvalidSeriesLength : CharGridException {
+        // Members
+        public ulong @actual;
+        public ulong @expected;
+
+        // Constructor
+        public InvalidSeriesLength(
+                ulong @actual, 
+                ulong @expected) {
+            this.@actual = @actual;
+            this.@expected = @expected;
+        }
+    }
+    
+    
+    public class OutOfBounds : CharGridException {
+        // Members
+        public ulong @index;
+        public ulong @size;
+
+        // Constructor
+        public OutOfBounds(
+                ulong @index, 
+                ulong @size) {
+            this.@index = @index;
+            this.@size = @size;
+        }
+    }
+    
+
+    
+}
+
+class FfiConverterTypeCharGridException : FfiConverterRustBuffer<CharGridException>, CallStatusErrorHandler<CharGridException> {
+    public static FfiConverterTypeCharGridException INSTANCE = new FfiConverterTypeCharGridException();
+
+    public override CharGridException Read(BigEndianStream stream) {
+        var value = stream.ReadInt();
+        switch (value) {
+            case 1:
+                return new CharGridException.StringNotOneChar(
+                    FfiConverterString.INSTANCE.Read(stream));
+            case 2:
+                return new CharGridException.InvalidSeriesLength(
+                    FfiConverterUInt64.INSTANCE.Read(stream),
+                    FfiConverterUInt64.INSTANCE.Read(stream));
+            case 3:
+                return new CharGridException.OutOfBounds(
+                    FfiConverterUInt64.INSTANCE.Read(stream),
+                    FfiConverterUInt64.INSTANCE.Read(stream));
+            default:
+                throw new InternalException(String.Format("invalid error value '{0}' in FfiConverterTypeCharGridException.Read()", value));
+        }
+    }
+
+    public override int AllocationSize(CharGridException value) {
+        switch (value) {
+            case CharGridException.StringNotOneChar variant_value:
+                return 4
+                    + FfiConverterString.INSTANCE.AllocationSize(variant_value.@value);
+            case CharGridException.InvalidSeriesLength variant_value:
+                return 4
+                    + FfiConverterUInt64.INSTANCE.AllocationSize(variant_value.@actual)
+                    + FfiConverterUInt64.INSTANCE.AllocationSize(variant_value.@expected);
+            case CharGridException.OutOfBounds variant_value:
+                return 4
+                    + FfiConverterUInt64.INSTANCE.AllocationSize(variant_value.@index)
+                    + FfiConverterUInt64.INSTANCE.AllocationSize(variant_value.@size);
+            default:
+                throw new InternalException(String.Format("invalid error value '{0}' in FfiConverterTypeCharGridException.AllocationSize()", value));
+        }
+    }
+
+    public override void Write(CharGridException value, BigEndianStream stream) {
+        switch (value) {
+            case CharGridException.StringNotOneChar variant_value:
+                stream.WriteInt(1);
+                FfiConverterString.INSTANCE.Write(variant_value.@value, stream);
+                break;
+            case CharGridException.InvalidSeriesLength variant_value:
+                stream.WriteInt(2);
+                FfiConverterUInt64.INSTANCE.Write(variant_value.@actual, stream);
+                FfiConverterUInt64.INSTANCE.Write(variant_value.@expected, stream);
+                break;
+            case CharGridException.OutOfBounds variant_value:
+                stream.WriteInt(3);
+                FfiConverterUInt64.INSTANCE.Write(variant_value.@index, stream);
+                FfiConverterUInt64.INSTANCE.Write(variant_value.@size, stream);
+                break;
+            default:
+                throw new InternalException(String.Format("invalid error value '{0}' in FfiConverterTypeCharGridException.Write()", value));
+        }
+    }
+}
+
+
+
+
+
 public enum CompressionCode: int {
     
     Uncompressed,

crates/servicepoint_binding_uniffi/src/brightness_grid.rs

@@ -75,6 +75,12 @@ impl BrightnessGrid {
     }
 
     pub fn copy_raw(&self) -> Vec<u8> {
-        self.actual.read().unwrap().data_ref().iter().map(u8::from).collect()
+        self.actual
+            .read()
+            .unwrap()
+            .data_ref()
+            .iter()
+            .map(u8::from)
+            .collect()
     }
 }

crates/servicepoint_binding_uniffi/src/char_grid.rs

@@ -0,0 +1,163 @@
+use servicepoint::{Grid, SeriesError};
+use std::convert::Into;
+use std::sync::{Arc, RwLock};
+use crate::cp437_grid::Cp437Grid;
+
+#[derive(uniffi::Object)]
+pub struct CharGrid {
+    pub(crate) actual: RwLock<servicepoint::CharGrid>,
+}
+
+#[derive(uniffi::Error, thiserror::Error, Debug)]
+pub enum CharGridError {
+    #[error("Exactly one character was expected, but {value:?} was provided")]
+    StringNotOneChar { value: String },
+    #[error("The provided series was expected to have a length of {expected}, but was {actual}")]
+    InvalidSeriesLength { actual: u64, expected: u64 },
+    #[error("The index {index} was out of bounds for size {size}")]
+    OutOfBounds { index: u64, size: u64 },
+}
+
+#[uniffi::export]
+impl CharGrid {
+    #[uniffi::constructor]
+    pub fn new(width: u64, height: u64) -> Arc<Self> {
+        Self::internal_new(servicepoint::CharGrid::new(
+            width as usize,
+            height as usize,
+        ))
+    }
+
+    #[uniffi::constructor]
+    pub fn load(data: String) -> Arc<Self> {
+        Self::internal_new(servicepoint::CharGrid::from(&*data))
+    }
+
+    #[uniffi::constructor]
+    pub fn clone(other: &Arc<Self>) -> Arc<Self> {
+        Self::internal_new(other.actual.read().unwrap().clone())
+    }
+
+    pub fn set(
+        &self,
+        x: u64,
+        y: u64,
+        value: String,
+    ) -> Result<(), CharGridError> {
+        let value = Self::str_to_char(value)?;
+        self.actual
+            .write()
+            .unwrap()
+            .set(x as usize, y as usize, value);
+        Ok(())
+    }
+
+    pub fn get(&self, x: u64, y: u64) -> String {
+        self.actual
+            .read()
+            .unwrap()
+            .get(x as usize, y as usize)
+            .into()
+    }
+
+    pub fn fill(&self, value: String) -> Result<(), CharGridError> {
+        let value = Self::str_to_char(value)?;
+        self.actual.write().unwrap().fill(value);
+        Ok(())
+    }
+
+    pub fn width(&self) -> u64 {
+        self.actual.read().unwrap().width() as u64
+    }
+
+    pub fn height(&self) -> u64 {
+        self.actual.read().unwrap().height() as u64
+    }
+
+    pub fn equals(&self, other: &CharGrid) -> bool {
+        let a = self.actual.read().unwrap();
+        let b = other.actual.read().unwrap();
+        *a == *b
+    }
+
+    pub fn as_string(&self) -> String {
+        let grid = self.actual.read().unwrap();
+        String::from(&*grid)
+    }
+
+    pub fn set_row(&self, y: u64, row: String) -> Result<(), CharGridError> {
+        self.actual
+            .write()
+            .unwrap()
+            .set_row(y as usize, &*row.chars().collect::<Vec<_>>())
+            .map_err(CharGridError::from)
+    }
+
+    pub fn set_col(&self, x: u64, col: String) -> Result<(), CharGridError> {
+        self.actual
+            .write()
+            .unwrap()
+            .set_row(x as usize, &*col.chars().collect::<Vec<_>>())
+            .map_err(CharGridError::from)
+    }
+
+    pub fn get_row(&self, y: u64) -> Result<String, CharGridError> {
+        self.actual
+            .read()
+            .unwrap()
+            .get_row(y as usize)
+            .map(move |vec| String::from_iter(vec))
+            .ok_or(CharGridError::OutOfBounds {index: y, size: self.height()})
+    }
+
+    pub fn get_col(&self, x: u64) -> Result<String, CharGridError> {
+        self.actual
+            .read()
+            .unwrap()
+            .get_col(x as usize)
+            .map(move |vec| String::from_iter(vec))
+            .ok_or(CharGridError::OutOfBounds {index: x, size: self.width()})
+    }
+
+    pub fn to_cp437(&self) -> Arc<Cp437Grid> {
+        Cp437Grid::internal_new(servicepoint::Cp437Grid::from(&*self.actual.read().unwrap()))
+    }
+}
+
+impl CharGrid {
+    pub(crate) fn internal_new(actual: servicepoint::CharGrid) -> Arc<Self> {
+        Arc::new(Self {
+            actual: RwLock::new(actual),
+        })
+    }
+
+    fn str_to_char(value: String) -> Result<char, CharGridError> {
+        if value.len() != 1 {
+            return Err(CharGridError::StringNotOneChar {
+                value,
+            });
+        }
+
+        let value = value.chars().nth(0).unwrap();
+        Ok(value)
+    }
+}
+
+impl From<SeriesError> for CharGridError {
+    fn from(e: SeriesError) -> Self {
+        match e {
+            SeriesError::OutOfBounds { index, size } => {
+                CharGridError::OutOfBounds {
+                    index: index as u64,
+                    size: size as u64,
+                }
+            }
+            SeriesError::InvalidLength { actual, expected } => {
+                CharGridError::InvalidSeriesLength {
+                    actual: actual as u64,
+                    expected: expected as u64,
+                }
+            }
+        }
+    }
+}

crates/servicepoint_binding_uniffi/src/cp437_grid.rs

@@ -1,5 +1,6 @@
 use servicepoint::{DataRef, Grid};
 use std::sync::{Arc, RwLock};
+use crate::char_grid::CharGrid;
 
 #[derive(uniffi::Object)]
 pub struct Cp437Grid {
@@ -7,7 +8,7 @@ pub struct Cp437Grid {
 }
 
 impl Cp437Grid {
-    fn internal_new(actual: servicepoint::Cp437Grid) -> Arc<Self> {
+    pub(crate) fn internal_new(actual: servicepoint::Cp437Grid) -> Arc<Self> {
         Arc::new(Self {
             actual: RwLock::new(actual),
         })
@@ -46,11 +47,7 @@ impl Cp437Grid {
     }
 
     pub fn get(&self, x: u64, y: u64) -> u8 {
-        self.actual
-            .read()
-            .unwrap()
-            .get(x as usize, y as usize)
-            .into()
+        self.actual.read().unwrap().get(x as usize, y as usize)
     }
 
     pub fn fill(&self, value: u8) {
@@ -73,4 +70,8 @@ impl Cp437Grid {
     pub fn copy_raw(&self) -> Vec<u8> {
         self.actual.read().unwrap().data_ref().to_vec()
     }
+
+    pub fn to_utf8(&self) -> Arc<CharGrid> {
+        CharGrid::internal_new(servicepoint::CharGrid::from(&*self.actual.read().unwrap()))
+    }
 }

crates/servicepoint_binding_uniffi/src/lib.rs

@@ -3,6 +3,7 @@ uniffi::setup_scaffolding!();
 mod bitmap;
 mod bitvec;
 mod brightness_grid;
+mod char_grid;
 mod command;
 mod compression_code;
 mod connection;