1 files changed, 59 insertions, 0 deletions
diff --git a/platform/java/com/artifex/mupdf/fitz/Matrix.java b/platform/java/com/artifex/mupdf/fitz/Matrix.java
new file mode 100644
index 00000000..ede57ccc
--- /dev/null
+++ b/platform/java/com/artifex/mupdf/fitz/Matrix.java
@@ -0,0 +1,59 @@
+package com.artifex.mupdf.fitz;
+
+public class Matrix
+{
+	public float a;
+	public float b;
+	public float c;
+	public float d;
+	public float e;
+	public float f;
+
+	public Matrix(float a, float b, float c, float d, float e, float f)
+	{
+		this.a = a;
+		this.b = b;
+		this.c = c;
+		this.d = d;
+		this.e = e;
+		this.f = f;
+	}
+
+	public Matrix(float a, float d)
+	{
+		this.a = a;
+		this.b = 0;
+		this.c = 0;
+		this.d = d;
+		this.e = 0;
+		this.f = 0;
+	}
+
+	public Matrix(float a)
+	{
+		this.a = a;
+		this.b = 0;
+		this.c = 0;
+		this.d = a;
+		this.e = 0;
+		this.f = 0;
+	}
+
+	public Matrix concat(Matrix m)
+	{
+		float a = this.a * m.a + this.b * m.c;
+		float b = this.a * m.b + this.b * m.d;
+		float c = this.c * m.a + this.d * m.c;
+		float d = this.c * m.b + this.d * m.d;
+		float e = this.e * m.a + this.f * m.c + m.e;
+		this.f = this.e * m.b + this.f * m.d + m.f;
+
+		this.a = a;
+		this.b = b;
+		this.c = c;
+		this.d = d;
+		this.e = e;
+
+		return this;
+	}
+}