initial commit

geom/Axis.cs

@@ -0,0 +1,79 @@
+using System;
+using QRCodeImageReader = ThoughtWorks.QRCode.Codec.Reader.QRCodeImageReader;
+namespace ThoughtWorks.QRCode.Geom
+{
+	/// <summary> This class designed to move target point based on independent axis.
+	/// It allows move target coodinate on rotated, scaled and gauche QR Code image
+	/// </summary>
+	public class Axis
+	{
+
+        internal int sin, cos;
+        internal int modulePitch;
+        internal Point origin;
+
+        virtual public Point Origin
+		{
+			set
+			{
+				this.origin = value;
+			}
+			
+		}
+		virtual public int ModulePitch
+		{
+			set
+			{
+				this.modulePitch = value;
+			}
+			
+		}
+		
+		public Axis(int[] angle, int modulePitch)
+		{
+			this.sin = angle[0];
+			this.cos = angle[1];
+			this.modulePitch = modulePitch;
+			this.origin = new Point();
+		}
+		
+		public virtual Point translate(Point offset)
+		{
+			int moveX = offset.X;
+			int moveY = offset.Y;
+			return this.translate(moveX, moveY);
+		}
+		
+		public virtual Point translate(Point origin, Point offset)
+		{
+			Origin = origin;
+			int moveX = offset.X;
+			int moveY = offset.Y;
+			return this.translate(moveX, moveY);
+		}
+		
+		public virtual Point translate(Point origin, int moveX, int moveY)
+		{
+			Origin = origin;
+			return this.translate(moveX, moveY);
+		}
+		
+		public virtual Point translate(Point origin, int modulePitch, int moveX, int moveY)
+		{
+			Origin = origin;
+			this.modulePitch = modulePitch;
+			return this.translate(moveX, moveY);
+		}
+	
+		public virtual Point translate(int moveX, int moveY)
+		{
+			long dp = QRCodeImageReader.DECIMAL_POINT;
+			Point point = new Point();
+			int dx = (moveX == 0)?0:(modulePitch * moveX) >> (int) dp;
+			int dy = (moveY == 0)?0:(modulePitch * moveY) >> (int) dp;
+			point.translate((dx * cos - dy * sin) >> (int) dp, (dx * sin + dy * cos) >> (int) dp);
+			point.translate(origin.X, origin.Y);
+			return point;
+		}
+	}
+}