lotuswordpro/source/filter/lwptools.hxx

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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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  52  *  Contributor(s): _______________________________________
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  55  ************************************************************************/
  56 /*************************************************************************
  57  * @file
  58  *  to provide basic utilities for word pro filter
  59  ************************************************************************/
  60 /*************************************************************************
  61  * Change History
  62  Jan 2005           Created
  63  ************************************************************************/
  64
  65 #ifndef INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_LWPTOOLS_HXX
  66 #define INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_LWPTOOLS_HXX
  67
  68 #include "lwpheader.hxx"
  69 #include "lwpobjstrm.hxx"
  70 #include "localtime.hxx"
  71 #include "xfilter/xfdatestyle.hxx"
  72 #include "xfilter/xftimestyle.hxx"
  73 #include <rtl/textenc.h>
  74 #include <stdexcept>
  75
  76 // 01/19/2005
  77 const sal_uInt32 UNITS_PER_INCH = 65536L * 72L;
  78 const double CM_PER_INCH = 2.54;
  79 const double INCHT_PER_CM = (1.0 / CM_PER_INCH);
  80 //end
  81
  82 const double POINTS_PER_INCH = 72.27;
  83 const double TWIPS_PER_POINT = 20.0;
  84 const double TWIPS_PER_INCH = (TWIPS_PER_POINT * POINTS_PER_INCH);
  85 const double TWIPS_PER_CM = (TWIPS_PER_INCH/CM_PER_INCH);
  86 /**
  87  * @brief   tool class (unicode, conversion) for lwp filter.
  88 */
  89 class LwpTools
  90 {
  91
  92 public:
  93     static sal_uInt16 QuickReadUnicode( LwpObjectStream* pObjStrm,
  94         OUString& str, sal_uInt16 strlen,  rtl_TextEncoding aEncoding );
  95     static bool IsUnicodePacked(LwpObjectStream* pObjStrm, sal_uInt16 len);
  96
  97     inline static double ConvertFromUnits(const sal_Int32& nUnits);
  98     inline static double ConvertToMetric(const double& fInch);
  99     inline static double ConvertFromMetric(const double& fCM);
 100     inline static double ConvertFromUnitsToMetric(const sal_Int32& nUnits);
 101
 102     inline static sal_Int32 ConvertToUnits(const double& fInch);
 103
 104     inline static bool IsOddNumber(sal_uInt16& nNumber);
 105     inline static bool IsEvenNumber(sal_uInt16& nNumber);
 106
 107     static bool isFileUrl(const OString& fileName);
 108     static OUString convertToFileUrl(const OString& fileName);
 109     static OUString    DateTimeToOUString(LtTm& dt);
 110
 111     static XFDateStyle* GetSystemDateStyle(bool bLongFormat);
 112     static XFTimeStyle* GetSystemTimeStyle();
 113 };
 114
 115 inline double LwpTools::ConvertFromUnits(const sal_Int32& nUnits)
 116 {
 117     return (double)nUnits/UNITS_PER_INCH;
 118 }
 119 inline double LwpTools::ConvertToMetric(const double& fInch)
 120 {
 121     return fInch*CM_PER_INCH;
 122 }
 123 inline double LwpTools::ConvertFromMetric(const double& fCM)
 124 {
 125     return fCM/CM_PER_INCH;
 126 }
 127 inline double LwpTools::ConvertFromUnitsToMetric(const sal_Int32& nUnits)
 128 {
 129     double fInch = ConvertFromUnits(nUnits);
 130     return ConvertToMetric(fInch);
 131 }
 132 inline sal_Int32 LwpTools::ConvertToUnits(const double& fInch)
 133 {
 134     return (sal_Int32)fInch*UNITS_PER_INCH;
 135 }
 136 inline bool LwpTools::IsOddNumber(sal_uInt16& nNumber)
 137 {
 138     return (nNumber%2) != 0;
 139 }
 140 inline bool LwpTools::IsEvenNumber(sal_uInt16& nNumber)
 141 {
 142     return (nNumber%2) == 0;
 143 }
 144
 145 class BadSeek : public std::runtime_error
 146 {
 147 public:
 148     BadSeek() : std::runtime_error("Lotus Word Pro Bad Seek") { }
 149 };
 150
 151 class BadRead: public std::runtime_error
 152 {
 153 public:
 154     BadRead() : std::runtime_error("Lotus Word Pro Bad Read") { }
 155 };
 156
 157 class BadDecompress : public std::runtime_error
 158 {
 159 public:
 160     BadDecompress() : std::runtime_error("Lotus Word Pro Bad Decompress") { }
 161 };
 162
 163 #endif
 164
 165 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */