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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_STARMATH_INC_UTILITY_HXX
#define INCLUDED_STARMATH_INC_UTILITY_HXX
#include <vcl/font.hxx>
#include <vcl/fixed.hxx>
#include <vcl/combobox.hxx>
#include <vcl/lstbox.hxx>
#include <tools/rational.hxx>
#include <deque>
inline long SmPtsTo100th_mm(long nNumPts)
// returns the length (in 100th of mm) that corresponds to the length
// 'nNumPts' (in units points).
// 72.27 [pt] = 1 [inch] = 2,54 [cm] = 2540 [100th of mm].
// result is being rounded to the nearest integer.
{
SAL_WARN_IF( nNumPts < 0, "starmath", "Ooops..." );
// broken into multiple and fraction of 'nNumPts' to reduce chance
// of overflow
// (7227 / 2) is added in order to round to the nearest integer
return 35 * nNumPts + (nNumPts * 1055L + (7227 / 2)) / 7227L;
}
inline long SmPtsTo100th_mm(const boost::rational<sal_Int64> &rNumPts)
// as above but with argument 'rNumPts' as 'boost::rational<sal_Int64>'
{
boost::rational<sal_Int64> aTmp (254000L, 7227L);
return boost::rational_cast<long>(aTmp * rNumPts);
}
inline boost::rational<sal_Int64> Sm100th_mmToPts(long nNum100th_mm)
// returns the length (in points) that corresponds to the length
// 'nNum100th_mm' (in 100th of mm).
{
SAL_WARN_IF( nNum100th_mm < 0, "starmath", "Ooops..." );
boost::rational<sal_Int64> aTmp (7227L, 254000L);
return aTmp *= boost::rational<sal_Int64>(nNum100th_mm);
}
inline long SmRoundFraction(const boost::rational<sal_Int64> &rFrac)
{
SAL_WARN_IF( rFrac <= boost::rational<sal_Int64>(), "starmath", "Ooops..." );
return (rFrac.numerator() + rFrac.denominator() / 2) / rFrac.denominator();
}
class SmViewShell;
SmViewShell * SmGetActiveView();
// SmFace
bool IsItalic( const vcl::Font &rFont );
bool IsBold( const vcl::Font &rFont );
class SmFace : public vcl::Font
{
long nBorderWidth;
void Impl_Init();
public:
SmFace() :
Font(), nBorderWidth(-1) { Impl_Init(); }
SmFace(const Font& rFont) :
Font(rFont), nBorderWidth(-1) { Impl_Init(); }
SmFace(const OUString& rName, const Size& rSize) :
Font(rName, rSize), nBorderWidth(-1) { Impl_Init(); }
SmFace( FontFamily eFamily, const Size& rSize) :
Font(eFamily, rSize), nBorderWidth(-1) { Impl_Init(); }
SmFace(const SmFace &rFace) :
Font(rFace), nBorderWidth(-1) { Impl_Init(); }
// overloaded version in order to supply a min value
// for font size (height). (Also used in ctor's to do so.)
void SetSize(const Size& rSize);
void SetBorderWidth(long nWidth) { nBorderWidth = nWidth; }
long GetBorderWidth() const;
long GetDefaultBorderWidth() const { return GetSize().Height() / 20 ; }
void FreezeBorderWidth() { nBorderWidth = GetDefaultBorderWidth(); }
SmFace & operator = (const SmFace &rFace);
};
SmFace & operator *= (SmFace &rFace, const boost::rational<sal_Int64> &rFrac);
// SmFontPickList
class SmFontDialog;
class SmFontPickList
{
protected:
sal_uInt16 nMaxItems;
std::deque<vcl::Font> aFontVec;
bool CompareItem(const vcl::Font & rFirstFont, const vcl::Font & rSecondFont) const;
OUString GetStringItem(const vcl::Font &rItem);
public:
SmFontPickList(sal_uInt16 nMax = 5) : nMaxItems(nMax) {}
virtual ~SmFontPickList() { Clear(); }
virtual void Insert(const vcl::Font &rFont);
virtual void Update(const vcl::Font &rFont, const vcl::Font &rNewFont);
virtual void Remove(const vcl::Font &rFont);
void Clear();
vcl::Font Get(sal_uInt16 nPos = 0) const;
SmFontPickList& operator = (const SmFontPickList& rList);
vcl::Font operator [] (sal_uInt16 nPos) const;
void ReadFrom(const SmFontDialog& rDialog);
void WriteTo(SmFontDialog& rDialog) const;
};
// SmFontPickListBox
class SmFontPickListBox : public SmFontPickList, public ListBox
{
protected:
DECL_LINK(SelectHdl, ListBox *);
public:
SmFontPickListBox(vcl::Window* pParent, WinBits nBits);
SmFontPickListBox& operator = (const SmFontPickList& rList);
virtual void Insert(const vcl::Font &rFont) SAL_OVERRIDE;
using Window::Update;
virtual void Update(const vcl::Font &rFont, const vcl::Font &rNewFont) SAL_OVERRIDE;
virtual void Remove(const vcl::Font &rFont) SAL_OVERRIDE;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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