1 files changed, 105 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/wrongspellprimitive2d.cxx b/drawinglayer/source/primitive2d/wrongspellprimitive2d.cxx
new file mode 100644
index 000000000..5249cdfb3
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+++ b/drawinglayer/source/primitive2d/wrongspellprimitive2d.cxx
@@ -0,0 +1,105 @@
+/* -*- 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/wrongspellprimitive2d.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <drawinglayer/primitive2d/PolygonWavePrimitive2D.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+#include <drawinglayer/geometry/viewinformation2d.hxx>
+
+
+namespace drawinglayer::primitive2d
+{
+        void WrongSpellPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
+        {
+            // ATM this decompose is view-independent, what the original VCL-Display is not. To mimic
+            // the old behaviour here if wanted it is necessary to add get2DDecomposition and implement
+            // it similar to the usage in e.g. HelplinePrimitive2D. Remembering the ViewTransformation
+            // should be enough then.
+            // The view-independent wavelines work well (if You ask me). Maybe the old VCL-Behaviour is only
+            // in place because it was not possible/too expensive at that time to scale the wavelines with the
+            // view...
+            // With the VCL-PixelRenderer this will not even be used since it implements WrongSpellPrimitive2D
+            // directly and mimics the old VCL-Display there. If You implemented a new renderer without
+            // direct WrongSpellPrimitive2D support, You may want to do the described change here.
+
+            // get the font height (part of scale), so decompose the matrix
+            basegfx::B2DVector aScale, aTranslate;
+            double fRotate, fShearX;
+            getTransformation().decompose(aScale, aTranslate, fRotate, fShearX);
+
+            // calculate distances based on a static default (to allow testing in debugger)
+            static const double fDefaultDistance(0.03);
+            const double fFontHeight(aScale.getY());
+            const double fUnderlineDistance(fFontHeight * fDefaultDistance);
+            const double fWaveWidth(2.0 * fUnderlineDistance);
+
+            // the Y-distance needs to be relative to FontHeight since the points get
+            // transformed with the transformation containing that scale already.
+            const double fRelativeUnderlineDistance(basegfx::fTools::equalZero(aScale.getY()) ? 0.0 : fUnderlineDistance / aScale.getY());
+            basegfx::B2DPoint aStart(getStart(), fRelativeUnderlineDistance);
+            basegfx::B2DPoint aStop(getStop(), fRelativeUnderlineDistance);
+            basegfx::B2DPolygon aPolygon;
+
+            aPolygon.append(getTransformation() * aStart);
+            aPolygon.append(getTransformation() * aStop);
+
+            // prepare line attribute
+            const attribute::LineAttribute aLineAttribute(getColor());
+
+            // create the waveline primitive
+            rContainer.push_back(new PolygonWavePrimitive2D(aPolygon, aLineAttribute, fWaveWidth, 0.5 * fWaveWidth));
+        }
+
+        WrongSpellPrimitive2D::WrongSpellPrimitive2D(
+            const basegfx::B2DHomMatrix& rTransformation,
+            double fStart,
+            double fStop,
+            const basegfx::BColor& rColor)
+        :   maTransformation(rTransformation),
+            mfStart(fStart),
+            mfStop(fStop),
+            maColor(rColor)
+        {
+        }
+
+        bool WrongSpellPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
+        {
+            if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
+            {
+                const WrongSpellPrimitive2D& rCompare = static_cast<const WrongSpellPrimitive2D&>(rPrimitive);
+
+                return (getTransformation() == rCompare.getTransformation()
+                    && getStart() == rCompare.getStart()
+                    && getStop() == rCompare.getStop()
+                    && getColor() == rCompare.getColor());
+            }
+
+            return false;
+        }
+
+        // provide unique ID
+        sal_uInt32 WrongSpellPrimitive2D::getPrimitive2DID() const
+        {
+            return PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D;
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */