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Diffstat (limited to 'include/svx/framelinkarray.hxx')
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diff --git a/include/svx/framelinkarray.hxx b/include/svx/framelinkarray.hxx new file mode 100644 index 000000000..10c8f4da2 --- /dev/null +++ b/include/svx/framelinkarray.hxx @@ -0,0 +1,326 @@ +/* -*- 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_FRAMELINKARRAY_HXX +#define INCLUDED_SVX_FRAMELINKARRAY_HXX + +#include <drawinglayer/primitive2d/Primitive2DContainer.hxx> +#include <svx/svxdllapi.h> +#include <svx/rotmodit.hxx> +#include <memory> + +class Color; + +namespace svx::frame { + +struct ArrayImpl; +class Style; + +/** Stores frame styles of an array of cells, supports merged ranges. + + This class is able to store the frame styles of an array of cells and to + draw the entire array or parts of it to any output device. + + Every cell contains the style of the left, right, top, bottom, top-left to + bottom-right, and bottom-left to top-right frame border. + + On drawing, the thicker frame border of neighbored cells is selected + automatically. All borders are drawn "connected", that means, the correct + start and end coordinates of all lines of the borders are calculated, + especially, if they are drawn together with diagonal frame borders. + + This array fully supports merged cell ranges. In a merged range, the frame + borders of the top-left cell is extended to the entire range, and all other + cells in that range are overlapped. Again, all connected frame borders, + also diagonals and frame borders from adjacent merged ranges, are handled + automatically. + + Additionally, a clipping range can be set. If such a range is used, all + frame borders outside this range are completely ignored, and are not used + in the connected border calculation anymore. + + The array can be mirrored in both directions. It is possible to specify, + whether to mirror the double frame styles, and whether to swap diagonal + frame borders. + */ +class SAL_WARN_UNUSED SVXCORE_DLLPUBLIC Array +{ +public: + /** Constructs an empty array. */ + explicit Array(); + + /** Destructs the array. */ + ~Array(); + + // array size and column/row indexes + + /** Reinitializes the array with the specified size. Clears all styles. */ + void Initialize( sal_Int32 nWidth, sal_Int32 nHeight ); + + /** Returns the number of columns in the array. */ + sal_Int32 GetColCount() const; + + /** Returns the number of rows in the array. */ + sal_Int32 GetRowCount() const; + + /** Returns the number of cells in the array. */ + sal_Int32 GetCellCount() const; + + /** Returns the cell index from the cell address (nCol,nRow). */ + sal_Int32 GetCellIndex( sal_Int32 nCol, sal_Int32 nRow, bool bRTL) const; + + // cell border styles + + /** Sets the left frame style of the cell (nCol,nRow). Ignores merged ranges. */ + void SetCellStyleLeft( sal_Int32 nCol, sal_Int32 nRow, const Style& rStyle ); + + /** Sets the right frame style of the cell (nCol,nRow). Ignores merged ranges. */ + void SetCellStyleRight( sal_Int32 nCol, sal_Int32 nRow, const Style& rStyle ); + + /** Sets the top frame style of the cell (nCol,nRow). Ignores merged ranges. */ + void SetCellStyleTop( sal_Int32 nCol, sal_Int32 nRow, const Style& rStyle ); + + /** Sets the bottom frame style of the specified cell (nCol,nRow). Ignores merged ranges. */ + void SetCellStyleBottom( sal_Int32 nCol, sal_Int32 nRow, const Style& rStyle ); + + /** Sets the top-left to bottom-right frame style of the cell (nCol,nRow). Ignores merged ranges. */ + void SetCellStyleTLBR( sal_Int32 nCol, sal_Int32 nRow, const Style& rStyle ); + + /** Sets the bottom-left to top-right frame style of the cell (nCol,nRow). Ignores merged ranges. */ + void SetCellStyleBLTR( sal_Int32 nCol, sal_Int32 nRow, const Style& rStyle ); + + /** Sets both diagonal frame styles of the specified cell (nCol,nRow). Ignores merged ranges. */ + void SetCellStyleDiag( sal_Int32 nCol, sal_Int32 nRow, const Style& rTLBR, const Style& rBLTR ); + + /** Sets the left frame style of the specified column. Ignores merged ranges. */ + void SetColumnStyleLeft( sal_Int32 nCol, const Style& rStyle ); + + /** Sets the right frame style of the specified column. Ignores merged ranges. */ + void SetColumnStyleRight( sal_Int32 nCol, const Style& rStyle ); + + /** Sets the top frame style of the specified row. Ignores merged ranges. */ + void SetRowStyleTop( sal_Int32 nRow, const Style& rStyle ); + + /** Sets the bottom frame style of the specified row. Ignores merged ranges. */ + void SetRowStyleBottom( sal_Int32 nRow, const Style& rStyle ); + + /** Sets the rotation parameters of the cell (nCol,nRow). Ignores merged ranges. */ + void SetCellRotation(sal_Int32 nCol, sal_Int32 nRow, SvxRotateMode eRotMode, double fOrientation); + + /** Check if at least one cell is rotated */ + bool HasCellRotation() const; + + /** Returns the left frame style of the cell (nCol,nRow). + Returns thicker of own left style or right style of the cell to the left. + Returns the style only if visible (i.e. at left border of a merged range). + @return + The left frame style or an invisible style for invalid cell addresses. */ + const Style& GetCellStyleLeft( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the right frame style of the cell (nCol,nRow). + Returns thicker of own right style or left style of the cell to the right. + Returns the style only if visible (i.e. at right border of a merged range). + @return + The left frame style or an invisible style for invalid cell addresses. */ + const Style& GetCellStyleRight( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the top frame style of the cell (nCol,nRow). + Returns thicker of own top style or bottom style of the cell above. + Returns the style only if visible (i.e. at top border of a merged range). + @return + The top frame style or an invisible style for invalid cell addresses. */ + const Style& GetCellStyleTop( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the top frame style of the cell (nCol,nRow). + Returns thicker of own top style or bottom style of the cell above. + Returns the style only if visible (i.e. at top border of a merged range). + @return + The top frame style or an invisible style for invalid cell addresses. */ + const Style& GetCellStyleBottom( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the top-left to bottom-right frame style of the cell (nCol,nRow). + Ignores merged ranges; + @return + The top-left to bottom-right frame style or an invisible style for invalid cell addresses. */ + const Style& GetCellStyleTLBR( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the bottom-left to top-right frame style of the cell (nCol,nRow). + Ignores merged ranges; + @return + The bottom-left to top-right frame style or an invisible style for invalid cell addresses. */ + const Style& GetCellStyleBLTR( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the top-left to bottom-right frame style of the cell (nCol,nRow). + @return + The top-left to bottom-right frame style, if the cell is not part of + a merged range, or if (nCol,nRow) is the top-left corner of a merged + range (useful to find connected frame styles). + An invisible style for invalid cell addresses. */ + const Style& GetCellStyleTL( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the top-left to bottom-right frame style of the cell (nCol,nRow). + @return + The top-left to bottom-right frame style, if the cell is not part of + a merged range, or if (nCol,nRow) is the bottom-right corner of a + merged range (useful to find connected frame styles). + An invisible style for invalid cell addresses. */ + const Style& GetCellStyleBR( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the bottom-left to top-right frame style of the cell (nCol,nRow). + @return + The bottom-left to top-right frame style, if the cell is not part of + a merged range, or if (nCol,nRow) is the bottom-left corner of a + merged range (useful to find connected frame styles). + An invisible style for invalid cell addresses. */ + const Style& GetCellStyleBL( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the bottom-left to top-right frame style of the cell (nCol,nRow). + @return + The bottom-left to top-right frame style, if the cell is not part of + a merged range, or if (nCol,nRow) is the top-right corner of a + merged range (useful to find connected frame styles). + An invisible style for invalid cell addresses. */ + const Style& GetCellStyleTR( sal_Int32 nCol, sal_Int32 nRow ) const; + + // cell merging + + /** Inserts a new merged cell range. + @precond The range must not intersect other merged ranges. */ + void SetMergedRange( sal_Int32 nFirstCol, sal_Int32 nFirstRow, sal_Int32 nLastCol, sal_Int32 nLastRow ); + + /** Sets an additional left width for the merged range that contains (nCol,nRow). + @descr Useful to handle merged ranges that are not completely part of the array. + @precond The merged range must be at the left border of the array. */ + void SetAddMergedLeftSize( sal_Int32 nCol, sal_Int32 nRow, sal_Int32 nAddSize ); + + /** Sets an additional right width for the merged range that contains (nCol,nRow). + @descr Useful to handle merged ranges that are not completely part of the array. + @precond The merged range must be at the right border of the array. */ + void SetAddMergedRightSize( sal_Int32 nCol, sal_Int32 nRow, sal_Int32 nAddSize ); + + /** Sets an additional top height for the merged range that contains (nCol,nRow). + @descr Useful to handle merged ranges that are not completely part of the array. + @precond The merged range must be at the top border of the array. */ + void SetAddMergedTopSize( sal_Int32 nCol, sal_Int32 nRow, sal_Int32 nAddSize ); + + /** Sets an additional bottom height for the merged range that contains (nCol,nRow). + @descr Useful to handle merged ranges that are not completely part of the array. + @precond The merged range must be at the bottom border of the array. */ + void SetAddMergedBottomSize( sal_Int32 nCol, sal_Int32 nRow, sal_Int32 nAddSize ); + + /** Returns true, if the cell (nCol,nRow) is part of a merged range. */ + bool IsMerged( sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the address of the top-left cell of the merged range that contains (nCol,nRow). */ + void GetMergedOrigin( sal_Int32& rnFirstCol, sal_Int32& rnFirstRow, sal_Int32 nCol, sal_Int32 nRow ) const; + + /** Returns the top-left and bottom-right address of the merged range that contains (nCol,nRow). */ + void GetMergedRange( sal_Int32& rnFirstCol, sal_Int32& rnFirstRow, + sal_Int32& rnLastCol, sal_Int32& rnLastRow, sal_Int32 nCol, sal_Int32 nRow ) const; + + // clipping + + /** Sets a clipping range. + @descr + No cell borders outside of this clipping range will be drawn. In + difference to simply using the CreateB2DPrimitiveRange() function with the same + range, a clipping range causes the drawing functions to completely + ignore the frame styles connected from outside. This is used i.e. + in Calc to print single pages and to draw the print preview. + Partly visible diagonal frame borders in merged ranges are correctly + clipped too. This array can handle only one clip range at a time. */ + void SetClipRange( sal_Int32 nFirstCol, sal_Int32 nFirstRow, sal_Int32 nLastCol, sal_Int32 nLastRow ); + + // cell coordinates + + /** Sets the X output coordinate of the left column. */ + void SetXOffset( sal_Int32 nXOffset ); + + /** Sets the Y output coordinate of the top row. */ + void SetYOffset( sal_Int32 nYOffset ); + + /** Sets the output width of the specified column. */ + void SetColWidth( sal_Int32 nCol, sal_Int32 nWidth ); + + /** Sets the output height of the specified row. */ + void SetRowHeight( sal_Int32 nRow, sal_Int32 nHeight ); + + /** Sets the same output width for all columns. */ + void SetAllColWidths( sal_Int32 nWidth ); + + /** Sets the same output height for all rows. */ + void SetAllRowHeights( sal_Int32 nHeight ); + + /** Returns the X output coordinate of the left border of the specified column. + @descr The column index <array-width> returns the X output coordinate + of the right array border. */ + sal_Int32 GetColPosition( sal_Int32 nCol ) const; + + /** Returns the Y output coordinate of the top border of the specified row. + @descr The row index <array-height> returns the Y output coordinate + of the bottom array border. */ + sal_Int32 GetRowPosition( sal_Int32 nRow ) const; + + /** Returns the output width of the specified range of columns. */ + sal_Int32 GetColWidth( sal_Int32 nFirstCol, sal_Int32 nLastCol ) const; + + /** Returns the output height of the specified range of rows. */ + sal_Int32 GetRowHeight( sal_Int32 nFirstRow, sal_Int32 nLastRow ) const; + + /** Returns the output width of the entire array. */ + sal_Int32 GetWidth() const; + + /** Returns the output height of the entire array. */ + sal_Int32 GetHeight() const; + + /** Returns the output range of the cell (nCol,nRow). + Returns total output range of merged ranges. */ + basegfx::B2DRange GetCellRange( sal_Int32 nCol, sal_Int32 nRow ) const; + + // return output range of given row/col range in logical coordinates + basegfx::B2DRange GetB2DRange( sal_Int32 nFirstCol, sal_Int32 nFirstRow, sal_Int32 nLastCol, sal_Int32 nLastRow ) const; + + // mirroring + + /** Mirrors the entire array horizontally. */ + void MirrorSelfX(); + + // drawing + + /** Draws the part of the specified range, that is inside the clipping range. + @param pForceColor + If not NULL, only this color will be used to draw all frame borders. */ + drawinglayer::primitive2d::Primitive2DContainer CreateB2DPrimitiveRange( + sal_Int32 nFirstCol, sal_Int32 nFirstRow, + sal_Int32 nLastCol, sal_Int32 nLastRow, + const Color* pForceColor ) const; + + /** Draws the part of the array, that is inside the clipping range. */ + drawinglayer::primitive2d::Primitive2DContainer CreateB2DPrimitiveArray() const; + +private: + std::unique_ptr<ArrayImpl> mxImpl; +}; + +} + + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |