lotuswordpro/inc/lwptools.hxx

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  10  *  Sun Microsystems Inc., October, 2000
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  32  *  Sun Industry Standards Source License Version 1.1
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  35  *  Source License Version 1.1 (the "License"); You may not use this file
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  46  *  The Initial Developer of the Original Code is: IBM Corporation
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  48  *  Copyright: 2008 by IBM Corporation
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  52  *  Contributor(s): _______________________________________
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  55  ************************************************************************/
  56 /*************************************************************************
  57  * @file
  58  *  to provide basic utilities for word pro filter
  59  ************************************************************************/
  60
  61 #ifndef INCLUDED_LOTUSWORDPRO_INC_LWPTOOLS_HXX
  62 #define INCLUDED_LOTUSWORDPRO_INC_LWPTOOLS_HXX
  63
  64 #include <config_lgpl.h>
  65
  66 #include "lwpobjstrm.hxx"
  67 #include "localtime.hxx"
  68 #include "xfilter/xfdatestyle.hxx"
  69 #include "xfilter/xftimestyle.hxx"
  70 #include <rtl/textenc.h>
  71 #include <stdexcept>
  72 #include <string_view>
  73
  74 // 01/19/2005
  75 const sal_uInt32 UNITS_PER_INCH = 65536L * 72L;
  76 const double CM_PER_INCH = 2.54;
  77 //end
  78
  79 const double POINTS_PER_INCH = 72.27;
  80 const double TWIPS_PER_POINT = 20.0;
  81 const double TWIPS_PER_INCH = TWIPS_PER_POINT * POINTS_PER_INCH;
  82 const double TWIPS_PER_CM = TWIPS_PER_INCH/CM_PER_INCH;
  83 /**
  84  * @brief   tool class (unicode, conversion) for lwp filter.
  85 */
  86 class LwpTools
  87 {
  88
  89 public:
  90     static void QuickReadUnicode( LwpObjectStream* pObjStrm,
  91         OUString& str, sal_uInt16 strlen,  rtl_TextEncoding aEncoding );
  92     static bool IsUnicodePacked(LwpObjectStream* pObjStrm, sal_uInt16 len);
  93
  94     inline static double ConvertFromUnits(sal_Int32 nUnits);
  95     inline static double ConvertToMetric(double fInch);
  96     inline static double ConvertFromUnitsToMetric(sal_Int32 nUnits);
  97
  98     inline static bool IsOddNumber(sal_uInt16 nNumber);
  99     inline static bool IsEvenNumber(sal_uInt16 nNumber);
 100
 101     static bool isFileUrl(std::string_view fileName);
 102     static OUString convertToFileUrl(const OString& fileName);
 103     static OUString    DateTimeToOUString(const LtTm& dt);
 104
 105     static std::unique_ptr<XFDateStyle> GetSystemDateStyle(bool bLongFormat);
 106     static std::unique_ptr<XFTimeStyle> GetSystemTimeStyle();
 107 };
 108
 109 inline double LwpTools::ConvertFromUnits(sal_Int32 nUnits)
 110 {
 111     return static_cast<double>(nUnits)/UNITS_PER_INCH;
 112 }
 113 inline double LwpTools::ConvertToMetric(double fInch)
 114 {
 115     return fInch*CM_PER_INCH;
 116 }
 117 inline double LwpTools::ConvertFromUnitsToMetric(sal_Int32 nUnits)
 118 {
 119     double fInch = ConvertFromUnits(nUnits);
 120     return ConvertToMetric(fInch);
 121 }
 122 inline bool LwpTools::IsOddNumber(sal_uInt16 nNumber)
 123 {
 124     return (nNumber%2) != 0;
 125 }
 126 inline bool LwpTools::IsEvenNumber(sal_uInt16 nNumber)
 127 {
 128     return (nNumber%2) == 0;
 129 }
 130
 131 class BadSeek : public std::runtime_error
 132 {
 133 public:
 134     BadSeek() : std::runtime_error("Lotus Word Pro Bad Seek") { }
 135 };
 136
 137 class BadRead: public std::runtime_error
 138 {
 139 public:
 140     BadRead() : std::runtime_error("Lotus Word Pro Bad Read") { }
 141 };
 142
 143 class BadDecompress : public std::runtime_error
 144 {
 145 public:
 146     BadDecompress() : std::runtime_error("Lotus Word Pro Bad Decompress") { }
 147 };
 148
 149 #endif
 150
 151 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */