From a3435a24e70699451641a5765f0504b2c4b772ac Mon Sep 17 00:00:00 2001
From: Mike Smith <msmith@affirma.com>
Date: Mon, 8 Feb 2016 23:38:41 -0800
Subject: [PATCH] Added in-progress Text3D

---
 OSCADSharp/OSCADSharp/OSCADSharp.csproj |  1 +
 OSCADSharp/OSCADSharp/Text3D.cs         | 94 +++++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 OSCADSharp/OSCADSharp/Text3D.cs

diff --git a/OSCADSharp/OSCADSharp/OSCADSharp.csproj b/OSCADSharp/OSCADSharp/OSCADSharp.csproj
index ac69dc3..8289d91 100644
--- a/OSCADSharp/OSCADSharp/OSCADSharp.csproj
+++ b/OSCADSharp/OSCADSharp/OSCADSharp.csproj
@@ -50,6 +50,7 @@
     <Compile Include="Solids\Cube.cs" />
     <Compile Include="Solids\Cylinder.cs" />
     <Compile Include="Solids\Sphere.cs" />
+    <Compile Include="Text3D.cs" />
     <Compile Include="Transforms\ColoredObject.cs" />
     <Compile Include="Transforms\MirroredObject.cs" />
     <Compile Include="Transforms\ResizedObject.cs" />
diff --git a/OSCADSharp/OSCADSharp/Text3D.cs b/OSCADSharp/OSCADSharp/Text3D.cs
new file mode 100644
index 0000000..f27b481
--- /dev/null
+++ b/OSCADSharp/OSCADSharp/Text3D.cs
@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OSCADSharp
+{
+    /// <summary>
+    /// Create text using fonts installed on the local system or provided as separate font file.
+    /// </summary>
+    public class Text3D : OSCADObject
+    {
+        /// <summary>
+        /// Text to display
+        /// </summary>
+        public string Text { get; set; }
+
+        /// <summary>
+        /// The generated text will have approximately an ascent of the given value (height above the baseline). Default is 10.
+        /// Note that specific fonts will vary somewhat and may not fill the size specified exactly, usually slightly smaller.
+        /// </summary>
+        public uint Size { get; set; }
+
+        /// <summary>
+        /// The name of the font that should be used. This is not the name of the font file, 
+        /// but the logical font name (internally handled by the fontconfig library). This can also include a style parameter, see below. 
+        /// A list of installed fonts & styles can be obtained using the font list dialog (Help -> Font List).
+        /// </summary>
+        public string Font { get; set; }
+
+        /// <summary>
+        /// The horizontal alignment for the text. Possible values are "left", "center" and "right". Default is "left".
+        /// </summary>
+        /// TODO: Implement alignments
+        public string HorizontalAlignment { get; set; }
+
+        /// <summary>
+        /// The vertical alignment for the text. Possible values are "top", "center", "baseline" and "bottom". Default is "baseline".
+        /// </summary>
+        /// TODO: Implement alignments
+        // public string VerticalAlignment { get; set; }
+
+        /// <summary>
+        /// Factor to increase/decrease the character spacing. The default value of 1 will result in the normal spacing for the font, giving a value greater than 1 will cause the letters to be spaced further apart.
+        /// </summary>
+        public uint Spacing { get; set; }
+
+        /// <summary>
+        /// Direction of the text flow. Possible values are "ltr" (left-to-right), "rtl" (right-to-left), "ttb" (top-to-bottom) and "btt" (bottom-to-top). Default is "ltr".
+        /// </summary>
+        public string TextDirection { get; set; }
+
+        /// <summary>
+        /// The language of the text. Default is "en".
+        /// </summary>
+        public string Language { get; set; }
+
+        /// <summary>
+        /// Used for subdividing the curved path segments provided by freetype
+        /// ($fn in OpenSCAD)
+        /// </summary>
+        public int Resolution { get; set; } = 0;
+
+        public override OSCADObject Clone()
+        {
+            throw new NotImplementedException();
+        }
+
+        private void appendValueIfExists(string name, string value, StringBuilder sb)
+        {
+            if(!String.IsNullOrEmpty(value))
+            {
+                sb.Append(name);
+                sb.Append("=");
+                sb.Append(value);
+            }
+        }
+
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("text(");
+            sb.Append("\"");
+            sb.Append(this.Text);
+            sb.Append("\"");
+
+            appendValueIfExists("font", this.Font, sb);
+            sb.Append(");");
+
+            return base.ToString();
+        }
+    }
+}