1 files changed, 180 insertions, 0 deletions
diff --git a/include/basegfx/tuple/Tuple2D.hxx b/include/basegfx/tuple/Tuple2D.hxx
new file mode 100644
index 0000000000..7494b4d1b1
--- /dev/null
+++ b/include/basegfx/tuple/Tuple2D.hxx
@@ -0,0 +1,180 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#pragma once
+
+#include <basegfx/utils/common.hxx>
+#include <basegfx/numeric/ftools.hxx>
+
+namespace basegfx
+{
+template <typename TYPE> class Tuple2D
+{
+protected:
+    TYPE mnX;
+    TYPE mnY;
+
+public:
+    /** Create a 2D Tuple
+
+            @param nX
+            This parameter is used to initialize the X-coordinate
+            of the 2D Tuple.
+
+            @param nY
+            This parameter is used to initialize the Y-coordinate
+            of the 2D Tuple.
+    */
+    Tuple2D(TYPE x, TYPE y)
+        : mnX(x)
+        , mnY(y)
+    {
+    }
+
+    double get(Axis2D eAxis) { return eAxis == Axis2D::X ? getX() : getY(); }
+
+    void set(Axis2D eAxis, TYPE fValue)
+    {
+        if (eAxis == Axis2D::X)
+            setX(fValue);
+        else
+            setY(fValue);
+    }
+
+    /// Get X-Coordinate of 2D Tuple
+    TYPE getX() const { return mnX; }
+
+    /// Get Y-Coordinate of 2D Tuple
+    TYPE getY() const { return mnY; }
+
+    /// Set X-Coordinate of 2D Tuple
+    void setX(TYPE fX) { mnX = fX; }
+
+    /// Set Y-Coordinate of 2D Tuple
+    void setY(TYPE fY) { mnY = fY; }
+
+    /// Adjust X-Coordinate of 2D Tuple
+    void adjustX(TYPE fX) { mnX += fX; }
+
+    /// Adjust Y-Coordinate of 2D Tuple
+    void adjustY(TYPE fY) { mnY += fY; }
+
+    // comparators with tolerance
+
+    template <typename T = TYPE, std::enable_if_t<std::is_integral_v<T>, int> = 0>
+    bool equal(const Tuple2D<TYPE>& rTup) const
+    {
+        return mnX == rTup.mnX && mnY == rTup.mnY;
+    }
+
+    template <typename T = TYPE, std::enable_if_t<std::is_floating_point_v<T>, int> = 0>
+    bool equal(const Tuple2D<TYPE>& rTup) const
+    {
+        return this == &rTup || (fTools::equal(mnX, rTup.mnX) && fTools::equal(mnY, rTup.mnY));
+    }
+
+    template <typename T = TYPE, std::enable_if_t<std::is_integral_v<T>, int> = 0>
+    bool equalZero() const
+    {
+        return mnX == 0 && mnY == 0;
+    }
+
+    template <typename T = TYPE, std::enable_if_t<std::is_floating_point_v<T>, int> = 0>
+    bool equalZero() const
+    {
+        return fTools::equalZero(mnX) && fTools::equalZero(mnY);
+    }
+
+    // operator overrides
+
+    Tuple2D<TYPE>& operator+=(const Tuple2D<TYPE>& rTup)
+    {
+        mnX += rTup.mnX;
+        mnY += rTup.mnY;
+        return *this;
+    }
+
+    Tuple2D<TYPE>& operator-=(const Tuple2D<TYPE>& rTup)
+    {
+        mnX -= rTup.mnX;
+        mnY -= rTup.mnY;
+        return *this;
+    }
+
+    Tuple2D<TYPE>& operator/=(const Tuple2D<TYPE>& rTup)
+    {
+        mnX /= rTup.mnX;
+        mnY /= rTup.mnY;
+        return *this;
+    }
+
+    Tuple2D<TYPE>& operator*=(const Tuple2D<TYPE>& rTup)
+    {
+        mnX *= rTup.mnX;
+        mnY *= rTup.mnY;
+        return *this;
+    }
+
+    Tuple2D<TYPE>& operator*=(TYPE t)
+    {
+        mnX *= t;
+        mnY *= t;
+        return *this;
+    }
+
+    Tuple2D<TYPE>& operator/=(TYPE t)
+    {
+        mnX /= t;
+        mnY /= t;
+        return *this;
+    }
+
+    Tuple2D<TYPE> operator-(void) const { return Tuple2D<TYPE>(-mnX, -mnY); }
+
+    bool operator==(const Tuple2D<TYPE>& rTup) const { return mnX == rTup.mnX && mnY == rTup.mnY; }
+
+    bool operator!=(const Tuple2D<TYPE>& rTup) const { return !(*this == rTup); }
+};
+
+template <typename TYPE>
+inline Tuple2D<TYPE> operator-(const Tuple2D<TYPE>& rTupA, const Tuple2D<TYPE>& rTupB)
+{
+    Tuple2D<TYPE> aNew(rTupA);
+    aNew -= rTupB;
+    return aNew;
+}
+
+template <typename TYPE>
+inline Tuple2D<TYPE> operator+(const Tuple2D<TYPE>& rTupA, const Tuple2D<TYPE>& rTupB)
+{
+    Tuple2D<TYPE> aNew(rTupA);
+    aNew += rTupB;
+    return aNew;
+}
+
+template <typename TYPE>
+inline Tuple2D<TYPE> operator*(const Tuple2D<TYPE>& rTupA, const Tuple2D<TYPE>& rTupB)
+{
+    Tuple2D<TYPE> aNew(rTupA);
+    aNew *= rTupB;
+    return aNew;
+}
+
+template <typename TYPE>
+inline Tuple2D<TYPE> operator/(const Tuple2D<TYPE>& rTupA, const Tuple2D<TYPE>& rTupB)
+{
+    Tuple2D<TYPE> aNew(rTupA);
+    aNew /= rTupB;
+    return aNew;
+}
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */