Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 127 insertions, 0 deletions

diff --git a/drawinglayer/source/primitive2d/primitivetools2d.cxx b/drawinglayer/source/primitive2d/primitivetools2d.cxx
new file mode 100644
index 000000000..7c6d426e9
--- /dev/null
+++ b/drawinglayer/source/primitive2d/primitivetools2d.cxx
@@ -0,0 +1,127 @@
+/* -*- 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 <drawinglayer/primitive2d/primitivetools2d.hxx>
+#include <basegfx/vector/b2dvector.hxx>
+#include <drawinglayer/geometry/viewinformation2d.hxx>
+
+
+namespace drawinglayer::primitive2d
+{
+        void DiscreteMetricDependentPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
+        {
+            // get the current DiscreteUnit, look at X and Y and use the maximum
+            const basegfx::B2DVector aDiscreteVector(rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
+            const double fDiscreteUnit(std::min(fabs(aDiscreteVector.getX()), fabs(aDiscreteVector.getY())));
+
+            if(!getBuffered2DDecomposition().empty() && !basegfx::fTools::equal(fDiscreteUnit, getDiscreteUnit()))
+            {
+                // conditions of last local decomposition have changed, delete
+                const_cast< DiscreteMetricDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DContainer());
+            }
+
+            if(getBuffered2DDecomposition().empty())
+            {
+                // remember new valid DiscreteUnit
+                const_cast< DiscreteMetricDependentPrimitive2D* >(this)->mfDiscreteUnit = fDiscreteUnit;
+            }
+
+            // call base implementation
+            BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
+        }
+
+
+
+
+        void ViewportDependentPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
+        {
+            // get the current Viewport
+            const basegfx::B2DRange& rViewport = rViewInformation.getViewport();
+
+            if(!getBuffered2DDecomposition().empty() && !rViewport.equal(getViewport()))
+            {
+                // conditions of last local decomposition have changed, delete
+                const_cast< ViewportDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DContainer());
+            }
+
+            if(getBuffered2DDecomposition().empty())
+            {
+                // remember new valid DiscreteUnit
+                const_cast< ViewportDependentPrimitive2D* >(this)->maViewport = rViewport;
+            }
+
+            // call base implementation
+            BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
+        }
+
+        void ViewTransformationDependentPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
+        {
+            // get the current ViewTransformation
+            const basegfx::B2DHomMatrix& rViewTransformation = rViewInformation.getViewTransformation();
+
+            if(!getBuffered2DDecomposition().empty() && rViewTransformation != getViewTransformation())
+            {
+                // conditions of last local decomposition have changed, delete
+                const_cast< ViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DContainer());
+            }
+
+            if(getBuffered2DDecomposition().empty())
+            {
+                // remember new valid ViewTransformation
+                const_cast< ViewTransformationDependentPrimitive2D* >(this)->maViewTransformation = rViewTransformation;
+            }
+
+            // call base implementation
+            BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
+        }
+
+        void ObjectAndViewTransformationDependentPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
+        {
+            // get the current ViewTransformation
+            const basegfx::B2DHomMatrix& rViewTransformation = rViewInformation.getViewTransformation();
+
+            if(!getBuffered2DDecomposition().empty() && rViewTransformation != getViewTransformation())
+            {
+                // conditions of last local decomposition have changed, delete
+                const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DContainer());
+            }
+
+            // get the current ObjectTransformation
+            const basegfx::B2DHomMatrix& rObjectTransformation = rViewInformation.getObjectTransformation();
+
+            if(!getBuffered2DDecomposition().empty() && rObjectTransformation != getObjectTransformation())
+            {
+                // conditions of last local decomposition have changed, delete
+                const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DContainer());
+            }
+
+            if(getBuffered2DDecomposition().empty())
+            {
+                // remember new valid ViewTransformation, and ObjectTransformation
+                const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->maViewTransformation = rViewTransformation;
+                const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->maObjectTransformation = rObjectTransformation;
+            }
+
+            // call base implementation
+            BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */