1 files changed, 160 insertions, 0 deletions
diff --git a/vcl/source/gdi/mapmod.cxx b/vcl/source/gdi/mapmod.cxx
new file mode 100644
index 000000000..3efb05293
--- /dev/null
+++ b/vcl/source/gdi/mapmod.cxx
@@ -0,0 +1,160 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <vcl/mapmod.hxx>
+
+#include <o3tl/hash_combine.hxx>
+#include <tools/gen.hxx>
+#include <tools/fract.hxx>
+#include <tools/stream.hxx>
+#include <tools/vcompat.hxx>
+#include <vcl/TypeSerializer.hxx>
+
+struct MapMode::ImplMapMode
+{
+    Point           maOrigin;
+    MapUnit         meUnit;
+    // NOTE: these Fraction must NOT have more than 32 bits precision
+    // because ReadFraction / WriteFraction do only 32 bits, so more than
+    // that cannot be stored in MetaFiles!
+    // => call ReduceInaccurate whenever setting these
+    Fraction        maScaleX;
+    Fraction        maScaleY;
+    bool            mbSimple;
+
+    ImplMapMode();
+    ImplMapMode(const ImplMapMode& rImpMapMode);
+
+    bool operator==( const ImplMapMode& rImpMapMode ) const;
+};
+
+MapMode::ImplMapMode::ImplMapMode() :
+    maOrigin( 0, 0 ),
+    maScaleX( 1, 1 ),
+    maScaleY( 1, 1 )
+{
+    meUnit   = MapUnit::MapPixel;
+    mbSimple = true;
+}
+
+MapMode::ImplMapMode::ImplMapMode( const ImplMapMode& ) = default;
+
+bool MapMode::ImplMapMode::operator==( const ImplMapMode& rImpMapMode ) const
+{
+    return meUnit == rImpMapMode.meUnit
+        && maOrigin == rImpMapMode.maOrigin
+        && maScaleX == rImpMapMode.maScaleX
+        && maScaleY == rImpMapMode.maScaleY;
+}
+
+namespace
+{
+    MapMode::ImplType& GetGlobalDefault()
+    {
+        static MapMode::ImplType gDefault;
+        return gDefault;
+    }
+}
+
+MapMode::MapMode() : mpImplMapMode(GetGlobalDefault())
+{
+}
+
+MapMode::MapMode( const MapMode& ) = default;
+
+MapMode::MapMode( MapUnit eUnit )
+{
+    mpImplMapMode->meUnit = eUnit;
+}
+
+MapMode::MapMode( MapUnit eUnit, const Point& rLogicOrg,
+                  const Fraction& rScaleX, const Fraction& rScaleY )
+{
+    mpImplMapMode->meUnit   = eUnit;
+    mpImplMapMode->maOrigin = rLogicOrg;
+    mpImplMapMode->maScaleX = rScaleX;
+    mpImplMapMode->maScaleY = rScaleY;
+    mpImplMapMode->maScaleX.ReduceInaccurate(32);
+    mpImplMapMode->maScaleY.ReduceInaccurate(32);
+    mpImplMapMode->mbSimple = false;
+}
+
+MapMode::~MapMode() = default;
+
+void MapMode::SetMapUnit( MapUnit eUnit )
+{
+    mpImplMapMode->meUnit = eUnit;
+}
+
+void MapMode::SetOrigin( const Point& rLogicOrg )
+{
+    mpImplMapMode->maOrigin = rLogicOrg;
+    mpImplMapMode->mbSimple = false;
+}
+
+void MapMode::SetScaleX( const Fraction& rScaleX )
+{
+    mpImplMapMode->maScaleX = rScaleX;
+    mpImplMapMode->maScaleX.ReduceInaccurate(32);
+    mpImplMapMode->mbSimple = false;
+}
+
+void MapMode::SetScaleY( const Fraction& rScaleY )
+{
+    mpImplMapMode->maScaleY = rScaleY;
+    mpImplMapMode->maScaleY.ReduceInaccurate(32);
+    mpImplMapMode->mbSimple = false;
+}
+
+MapMode& MapMode::operator=( const MapMode& ) = default;
+
+MapMode& MapMode::operator=( MapMode&& ) = default;
+
+bool MapMode::operator==( const MapMode& rMapMode ) const
+{
+   return mpImplMapMode == rMapMode.mpImplMapMode;
+}
+
+bool MapMode::IsDefault() const
+{
+    return mpImplMapMode.same_object(GetGlobalDefault());
+}
+
+size_t MapMode::GetHashValue() const
+{
+    size_t hash = 0;
+    o3tl::hash_combine( hash, mpImplMapMode->meUnit );
+    o3tl::hash_combine( hash, mpImplMapMode->maOrigin.GetHashValue());
+    o3tl::hash_combine( hash, mpImplMapMode->maScaleX.GetHashValue());
+    o3tl::hash_combine( hash, mpImplMapMode->maScaleY.GetHashValue());
+    o3tl::hash_combine( hash, mpImplMapMode->mbSimple );
+    return hash;
+}
+
+MapUnit MapMode::GetMapUnit() const { return mpImplMapMode->meUnit; }
+
+const Point& MapMode::GetOrigin() const { return mpImplMapMode->maOrigin; }
+
+const Fraction& MapMode::GetScaleX() const { return mpImplMapMode->maScaleX; }
+
+const Fraction& MapMode::GetScaleY() const { return mpImplMapMode->maScaleY; }
+
+bool MapMode::IsSimple() const { return mpImplMapMode->mbSimple; }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */