1 files changed, 75 insertions, 0 deletions
diff --git a/include/drawinglayer/primitive2d/textbreakuphelper.hxx b/include/drawinglayer/primitive2d/textbreakuphelper.hxx
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+++ b/include/drawinglayer/primitive2d/textbreakuphelper.hxx
@@ -0,0 +1,75 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <drawinglayer/drawinglayerdllapi.h>
+#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
+#include <drawinglayer/primitive2d/textlayoutdevice.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+
+namespace drawinglayer::primitive2d { class TextSimplePortionPrimitive2D; }
+
+
+namespace drawinglayer::primitive2d
+{
+        enum class BreakupUnit
+        {
+            Character,
+            Word
+        };
+
+        class DRAWINGLAYER_DLLPUBLIC TextBreakupHelper
+        {
+        private:
+            const TextSimplePortionPrimitive2D&     mrSource;
+            Primitive2DContainer                       mxResult;
+            TextLayouterDevice                      maTextLayouter;
+            basegfx::utils::B2DHomMatrixBufferedOnDemandDecompose maDecTrans;
+
+            bool                                    mbNoDXArray : 1;
+
+            /// create a portion from nIndex to nLength and append to rTempResult
+            void breakupPortion(Primitive2DContainer& rTempResult, sal_Int32 nIndex, sal_Int32 nLength, bool bWordLineMode);
+
+            /// breakup complete primitive
+            void breakup(BreakupUnit aBreakupUnit);
+
+        protected:
+            /// allow user callback to allow changes to the new TextTransformation. Default
+            /// does nothing. Retval defines if a primitive gets created, e.g. return false
+            /// to suppress creation
+            virtual bool allowChange(sal_uInt32 nCount, basegfx::B2DHomMatrix& rNewTransform, sal_uInt32 nIndex, sal_uInt32 nLength);
+
+            /// allow read access to evtl. useful local parts
+            const TextLayouterDevice& getTextLayouter() const { return maTextLayouter; }
+            const TextSimplePortionPrimitive2D& getSource() const { return mrSource; }
+
+        public:
+            TextBreakupHelper(const TextSimplePortionPrimitive2D& rSource);
+            virtual ~TextBreakupHelper();
+
+            /// get result
+            const Primitive2DContainer& getResult(BreakupUnit aBreakupUnit = BreakupUnit::Character) const;
+        };
+
+} // end of namespace drawinglayer::primitive2d
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */