office-gobmx/lotuswordpro/inc/lwptools.hxx
Mike Kaganski fce1fb034d Use more o3tl::convert in lotuswordpro
Change-Id: I7ec74dc105f846307f5bf3d3c8cedcc4aebb64a4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166058
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2024-04-14 06:57:06 +02:00

144 lines
5.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
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* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
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* Copyright: 2008 by IBM Corporation
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************************************************************************/
/*************************************************************************
* @file
* to provide basic utilities for word pro filter
************************************************************************/
#ifndef INCLUDED_LOTUSWORDPRO_INC_LWPTOOLS_HXX
#define INCLUDED_LOTUSWORDPRO_INC_LWPTOOLS_HXX
#include <config_lgpl.h>
#include "lwpobjstrm.hxx"
#include "localtime.hxx"
#include "xfilter/xfdatestyle.hxx"
#include "xfilter/xftimestyle.hxx"
#include <o3tl/unit_conversion.hxx>
#include <rtl/textenc.h>
#include <stdexcept>
#include <string_view>
/**
* @brief tool class (unicode, conversion) for lwp filter.
*/
class LwpTools
{
public:
static void QuickReadUnicode( LwpObjectStream* pObjStrm,
OUString& str, sal_uInt16 strlen, rtl_TextEncoding aEncoding );
static bool IsUnicodePacked(LwpObjectStream* pObjStrm, sal_uInt16 len);
inline static double ConvertFromUnits(double nUnits); // to cm
inline static double ConvertFromTwips(double nTwips); // to cm
inline static bool IsOddNumber(sal_uInt16 nNumber);
inline static bool IsEvenNumber(sal_uInt16 nNumber);
static bool isFileUrl(std::string_view fileName);
static OUString convertToFileUrl(const OString& fileName);
static OUString DateTimeToOUString(const LtTm& dt);
static std::unique_ptr<XFDateStyle> GetSystemDateStyle(bool bLongFormat);
static std::unique_ptr<XFTimeStyle> GetSystemTimeStyle();
};
// Convert from "units" to centimeters
inline double LwpTools::ConvertFromUnits(double nUnits)
{
constexpr sal_uInt32 UNITS_PER_INCH = 65536 * 72;
constexpr auto mdFromIn = o3tl::getConversionMulDiv(o3tl::Length::in, o3tl::Length::cm);
constexpr o3tl::detail::m_and_d md(mdFromIn.first, mdFromIn.second * UNITS_PER_INCH);
return o3tl::convert(nUnits, md.m, md.d);
}
// Convert from twips to centimeters, using definition of point = 72.27 in
inline double LwpTools::ConvertFromTwips(double nTwips)
{
constexpr auto mdFromIn = o3tl::getConversionMulDiv(o3tl::Length::in, o3tl::Length::cm);
constexpr o3tl::detail::m_and_d md(mdFromIn.first * 100, mdFromIn.second * 7227 * 20);
return o3tl::convert(nTwips, md.m, md.d);
}
inline bool LwpTools::IsOddNumber(sal_uInt16 nNumber)
{
return (nNumber%2) != 0;
}
inline bool LwpTools::IsEvenNumber(sal_uInt16 nNumber)
{
return (nNumber%2) == 0;
}
class BadSeek : public std::runtime_error
{
public:
BadSeek() : std::runtime_error("Lotus Word Pro Bad Seek") { }
};
class BadRead: public std::runtime_error
{
public:
BadRead() : std::runtime_error("Lotus Word Pro Bad Read") { }
};
class BadDecompress : public std::runtime_error
{
public:
BadDecompress() : std::runtime_error("Lotus Word Pro Bad Decompress") { }
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */