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+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SVX_SOURCE_TABLE_TABLELAYOUTER_HXX
+#define INCLUDED_SVX_SOURCE_TABLE_TABLELAYOUTER_HXX
+
+#include <sal/types.h>
+#include <basegfx/range/b2irectangle.hxx>
+#include <basegfx/tuple/b2ituple.hxx>
+#include <o3tl/safeint.hxx>
+#include <vector>
+
+#include <svx/svdotable.hxx>
+#include <celltypes.hxx>
+
+namespace tools { class Rectangle; }
+
+
+namespace editeng {
+ class SvxBorderLine;
+}
+
+namespace sdr::table {
+
+/** returns true if the cell(nMergedCol,nMergedRow) is merged with other cells.
+ the returned cell( rOriginCol, rOriginRow ) is the origin( top left cell ) of the merge.
+*/
+bool findMergeOrigin( const TableModelRef& xTable, sal_Int32 nMergedCol, sal_Int32 nMergedRow, sal_Int32& rOriginCol, sal_Int32& rOriginRow );
+
+typedef std::vector< editeng::SvxBorderLine* > BorderLineVector;
+typedef std::vector< BorderLineVector > BorderLineMap;
+
+
+// TableModel
+
+struct EdgeInfo final
+{
+ sal_Int32 nIndex;
+ sal_Int32 nPosition;
+ sal_Int32 nMin;
+ sal_Int32 nMax;
+
+ EdgeInfo(sal_Int32 nInIndex, sal_Int32 nInPosition, sal_Int32 nInMin, sal_Int32 nInMax)
+ : nIndex(nInIndex)
+ , nPosition(nInPosition)
+ , nMin(nInMin)
+ , nMax(nInMax)
+ {}
+};
+
+class TableLayouter final
+{
+public:
+ explicit TableLayouter( TableModelRef xTableModel );
+ ~TableLayouter();
+
+ /** try to fit the table into the given rectangle.
+ If the rectangle is too small, it will be grown to fit the table.
+
+ if bFitWidth or bFitHeight is set, the layouter tries to scale
+ the rows and/or columns to the given area. The result my be bigger
+ to fulfill constrains.
+
+ if bFitWidth or bFitHeight is set, the model is changed.
+ */
+ void LayoutTable( ::tools::Rectangle& rRectangle, bool bFitWidth, bool bFitHeight );
+
+ void UpdateBorderLayout();
+
+ bool getCellArea( const CellRef& xCell, const CellPos& rPos, basegfx::B2IRectangle& rArea ) const;
+
+ ::sal_Int32 getRowCount() const { return static_cast< ::sal_Int32 >( maRows.size() ); }
+ ::sal_Int32 getColumnCount() const { return static_cast< ::sal_Int32 >( maColumns.size() ); }
+ sal_Int32 getRowHeight( sal_Int32 nRow ) const;
+
+ sal_Int32 getColumnWidth( sal_Int32 nColumn ) const;
+ sal_Int32 calcPreferredColumnWidth( sal_Int32 nColumn, Size aSize ) const;
+
+ sal_Int32 getMinimumColumnWidth( sal_Int32 nColumn );
+
+ /** checks if the given edge is visible.
+ Edges between merged cells are not visible.
+ */
+ bool isEdgeVisible( sal_Int32 nEdgeX, sal_Int32 nEdgeY, bool bHorizontal ) const;
+
+ /** returns the requested borderline in rpBorderLine or a null pointer if there is no border at this edge */
+ editeng::SvxBorderLine* getBorderLine( sal_Int32 nEdgeX, sal_Int32 nEdgeY, bool bHorizontal )const;
+
+ void updateCells( ::tools::Rectangle const & rRectangle );
+
+ std::vector<EdgeInfo> getHorizontalEdges();
+ sal_Int32 getHorizontalEdge( int nEdgeY, sal_Int32* pnMin, sal_Int32* pnMax );
+
+ std::vector<EdgeInfo> getVerticalEdges();
+ sal_Int32 getVerticalEdge( int nEdgeX , sal_Int32* pnMin, sal_Int32* pnMax);
+
+
+ void DistributeColumns( ::tools::Rectangle& rArea,
+ sal_Int32 nFirstCol,
+ sal_Int32 nLastCol,
+ const bool bOptimize,
+ const bool bMinimize );
+ void DistributeRows( ::tools::Rectangle& rArea,
+ sal_Int32 nFirstRow,
+ sal_Int32 nLastRow,
+ const bool bOptimize,
+ const bool bMinimize );
+ void dumpAsXml(xmlTextWriterPtr pWriter) const;
+
+ void LayoutTableWidth(::tools::Rectangle& rArea, bool bFit);
+ void LayoutTableHeight(::tools::Rectangle& rArea, bool bFit);
+
+private:
+ CellRef getCell( const CellPos& rPos ) const;
+ basegfx::B2ITuple getCellSize( const CellRef& xCell, const CellPos& rPos ) const;
+
+ bool isValidColumn( sal_Int32 nColumn ) const { return (nColumn >= 0) && (o3tl::make_unsigned(nColumn) < maColumns.size()); }
+ bool isValidRow( sal_Int32 nRow ) const { return (nRow >= 0) && (o3tl::make_unsigned(nRow) < maRows.size()); }
+ bool isValid( const CellPos& rPos ) const { return isValidColumn( rPos.mnCol ) && isValidRow( rPos.mnRow ); }
+
+ void ClearBorderLayout();
+ static void ClearBorderLayout(BorderLineMap& rMap);
+ void ResizeBorderLayout();
+ void ResizeBorderLayout( BorderLineMap& rMap );
+
+ void SetBorder( sal_Int32 nCol, sal_Int32 nRow, bool bHorizontal, const editeng::SvxBorderLine* pLine );
+
+ static bool HasPriority( const editeng::SvxBorderLine* pThis, const editeng::SvxBorderLine* pOther );
+
+ struct Layout
+ {
+ sal_Int32 mnPos;
+ sal_Int32 mnSize;
+ sal_Int32 mnMinSize;
+
+ Layout() : mnPos( 0 ), mnSize( 0 ), mnMinSize( 0 ) {}
+ void clear() { mnPos = 0; mnSize = 0; mnMinSize = 0; }
+ void dumpAsXml(xmlTextWriterPtr pWriter) const;
+ };
+ typedef std::vector< Layout > LayoutVector;
+
+ static sal_Int32 distribute( LayoutVector& rLayouts, sal_Int32 nDistribute );
+
+ TableModelRef mxTable;
+ LayoutVector maRows;
+ LayoutVector maColumns;
+
+ BorderLineMap maHorizontalBorders;
+ BorderLineMap maVerticalBorders;
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */