11b1557147
which allows us to eliminate a bunch of rounding at various layers, and consequently maintain a lot more precision Change-Id: I911dedd7c041c1d67396c082e5695346ea689acb Reviewed-on: https://gerrit.libreoffice.org/c/core/+/175814 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
123 lines
5.1 KiB
C++
123 lines
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_EDITENG_SVXFONT_HXX
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#define INCLUDED_EDITENG_SVXFONT_HXX
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#include <sal/config.h>
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#include <span>
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#include <editeng/svxenum.hxx>
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#include <tools/long.hxx>
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#include <vcl/font.hxx>
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#include <vcl/kernarray.hxx>
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#include <editeng/editengdllapi.h>
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#include <tools/poly.hxx>
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// Percentage of height of lower case small capital letters compared to upper case letters
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// See i#1526# for full explanation
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#define SMALL_CAPS_PERCENTAGE 80
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class SvxDoCapitals;
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class OutputDevice;
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class Printer;
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class Point;
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namespace tools { class Rectangle; }
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class Size;
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class EDITENG_DLLPUBLIC SvxFont : public vcl::Font
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{
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SvxCaseMap eCaseMap; // Text Markup
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short nEsc; // Degree of Superscript/Subscript
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sal_uInt8 nPropr; // Degree of reduction of the font height
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public:
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SvxFont();
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SvxFont( const vcl::Font &rFont );
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SvxFont( const SvxFont &rFont );
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// Methods for Superscript/Subscript
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short GetEscapement() const { return nEsc; }
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void SetEscapement( const short nNewEsc ) { nEsc = nNewEsc; }
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// set specific values instead of automatic, and ensure valid value. Depends on nPropr being set already.
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void SetNonAutoEscapement(short nNewEsc, const OutputDevice* pOutDev = nullptr);
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sal_uInt8 GetPropr() const { return nPropr; }
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void SetPropr( const sal_uInt8 nNewPropr ) { nPropr = nNewPropr; }
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void SetProprRel( const sal_uInt8 nNewPropr )
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{ SetPropr( static_cast<sal_uInt8>( static_cast<tools::Long>(nNewPropr) * static_cast<tools::Long>(nPropr) / 100 ) ); }
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SvxCaseMap GetCaseMap() const { return eCaseMap; }
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void SetCaseMap( const SvxCaseMap eNew ) { eCaseMap = eNew; }
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// Is-Methods:
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bool IsCaseMap() const { return SvxCaseMap::NotMapped != eCaseMap; }
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bool IsCapital() const { return SvxCaseMap::SmallCaps == eCaseMap; }
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bool IsEsc() const { return 0 != nEsc; }
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// Consider Upper case, Lower case letters etc.
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OUString CalcCaseMap(const OUString &rTxt) const;
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// Handle upper case letters
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void DoOnCapitals(SvxDoCapitals &rDo) const;
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void SetPhysFont(OutputDevice& rOut) const;
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vcl::Font ChgPhysFont(OutputDevice& rOut) const;
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Size GetCapitalSize( const OutputDevice *pOut, const OUString &rTxt, KernArray* pDXAry,
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const sal_Int32 nIdx, const sal_Int32 nLen) const;
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void DrawCapital( OutputDevice *pOut, const Point &rPos, const OUString &rTxt,
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KernArraySpan pDXArray,
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std::span<const sal_Bool> pKashidaArray,
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const sal_Int32 nIdx, const sal_Int32 nLen ) const;
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Size GetPhysTxtSize( const OutputDevice *pOut, const OUString &rTxt,
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const sal_Int32 nIdx, const sal_Int32 nLen ) const;
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Size GetPhysTxtSize( const OutputDevice *pOut );
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Size GetTextSize(const OutputDevice& rOut, const OUString &rTxt,
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const sal_Int32 nIdx = 0, const sal_Int32 nLen = SAL_MAX_INT32) const;
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void QuickDrawText( OutputDevice *pOut, const Point &rPos, const OUString &rTxt,
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const sal_Int32 nIdx = 0, const sal_Int32 nLen = SAL_MAX_INT32,
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KernArraySpan pDXArray = {},
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std::span<const sal_Bool> pKashidaArray = {} ) const;
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Size QuickGetTextSize( const OutputDevice *pOut, const OUString &rTxt,
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const sal_Int32 nIdx, const sal_Int32 nLen,
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KernArray* pDXArray = nullptr, bool bStacked = false ) const;
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void DrawPrev( OutputDevice* pOut, Printer* pPrinter,
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const Point &rPos, const OUString &rTxt,
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const sal_Int32 nIdx = 0, const sal_Int32 nLen = SAL_MAX_INT32 ) const;
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static tools::Polygon DrawArrow( OutputDevice &rOut, const tools::Rectangle& rRect,
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const Size& rSize, const Color& rCol, bool bLeftOrTop,
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bool bVertical );
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SvxFont& operator=( const SvxFont& rFont );
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SvxFont& operator=( const Font& rFont );
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// returns true if the SvxFont's own properties are equal (the SvxFont portion of an operator==)
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bool SvxFontSubsetEquals(const SvxFont& rFont) const;
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};
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#endif // INCLUDED_EDITENG_SVXFONT_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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