Src/DasherCore/UserLocation.cpp

   1
   2 #include "../Common/Common.h"
   3
   4 #include "UserLocation.h"
   5
   6 #include <sys/timeb.h>
   7
   8 // Track memory leaks on Windows to the line that new'd the memory
   9 #ifdef _WIN32
  10 #ifdef _DEBUG
  11 #define DEBUG_NEW new( _NORMAL_BLOCK, THIS_FILE, __LINE__ )
  12 #define new DEBUG_NEW
  13 #undef THIS_FILE
  14 static char THIS_FILE[] = __FILE__;
  15 #endif
  16 #endif
  17
  18 // Construct a new location at the current point in time and at the specified coordinates.
  19 // This version only stores the integer coordinate data.
  20 CUserLocation::CUserLocation(int iX, int iY, float dNats)
  21 {
  22   //CFunctionLogger f1("CUserLocation::CUserLocation(1)", gLogger);
  23
  24   InitMemeberVars();
  25
  26   m_strTime               = CTimeSpan::GetTimeStamp();
  27   m_iLocationX            = iX;
  28   m_iLocationY            = iY;
  29   m_bHasInteger           = true;
  30   m_dNats                 = dNats;
  31 }
  32
  33 // Stores only the normalized floating point data.
  34 CUserLocation::CUserLocation(float iX, float iY, float dNats)
  35 {
  36   //CFunctionLogger f1("CUserLocation::CUserLocation(2)", gLogger);
  37
  38   InitMemeberVars();
  39
  40   m_strTime               = CTimeSpan::GetTimeStamp();
  41   m_dNormalizedLocationX  = iX;
  42   m_dNormalizedLocationY  = iY;
  43   m_bHasNormalized        = true;
  44   m_dNats                 = dNats;
  45 }
  46
  47 // Stores only the normalized floating point data.
  48 // This version calculates the normalization itself.
  49 CUserLocation::CUserLocation(int iX,
  50                              int iY,
  51                              int iTop,
  52                              int iLeft,
  53                              int iBottom,
  54                              int iRight,
  55                              bool bStoreIntegerRep,
  56                              float dNats)
  57 {
  58   //CFunctionLogger f1("CUserLocation::CUserLocation(3)", gLogger);
  59
  60   InitMemeberVars();
  61
  62   m_strTime               = CTimeSpan::GetTimeStamp();
  63   m_dNormalizedLocationX  = (float) ComputeNormalizedX(iX, iLeft, iRight);
  64   m_dNormalizedLocationY  = (float) ComputeNormalizedY(iY, iTop, iBottom);
  65   m_bHasNormalized        = true;
  66   m_dNats                 = dNats;
  67
  68   if (bStoreIntegerRep)
  69   {
  70     m_bHasInteger         = true;
  71     m_iLocationX          = iX;
  72     m_iLocationY          = iY;
  73   }
  74   else
  75     m_bHasInteger         = false;
  76 }
  77
  78 // We want both the integer representation and the normalized.
  79 CUserLocation::CUserLocation(int iX1, int iY1, float iX2, float iY2, float dNats)
  80 {
  81   //CFunctionLogger f1("CUserLocation::CUserLocation(4)", gLogger);
  82
  83   InitMemeberVars();
  84
  85   m_strTime               = CTimeSpan::GetTimeStamp();
  86   m_iLocationX            = iX1;
  87   m_iLocationY            = iY1;
  88   m_dNormalizedLocationX  = iX2;
  89   m_dNormalizedLocationY  = iY2;
  90   m_bHasNormalized        = true;
  91   m_bHasInteger           = true;
  92   m_dNats                 = dNats;
  93 }
  94
  95 CUserLocation::~CUserLocation()
  96 {
  97   //CFunctionLogger f1("CUserLocation::~CUserLocation", gLogger);
  98 }
  99
 100 string CUserLocation::GetXML(const string& strPrefix)
 101 {
 102   //CFunctionLogger f1("CUserLocation::GetXML", gLogger);
 103
 104   string strResult = "";
 105
 106   strResult += strPrefix;
 107   strResult += "<Pos>\n";
 108
 109   strResult += strPrefix;
 110   strResult += "\t<Time>";
 111   strResult += m_strTime;
 112   strResult += "</Time>\n";
 113
 114   char strNum[256];
 115   if (m_bHasInteger)
 116   {
 117     strResult += strPrefix;
 118     strResult += "\t<X>";
 119     sprintf(strNum, "%d", m_iLocationX);
 120     strResult += strNum;
 121     strResult += "</X>\n";
 122
 123     strResult += strPrefix;
 124     strResult += "\t<Y>";
 125     sprintf(strNum, "%d", m_iLocationY);
 126     strResult += strNum;
 127     strResult += "</Y>\n";
 128   }
 129   if (m_bHasNormalized)
 130   {
 131     strResult += strPrefix;
 132     strResult += "\t<XNorm>";
 133     sprintf(strNum, "%0.4f", m_dNormalizedLocationX);
 134     strResult += strNum;
 135     strResult += "</XNorm>\n";
 136
 137     strResult += strPrefix;
 138     strResult += "\t<YNorm>";
 139     sprintf(strNum, "%0.4f", m_dNormalizedLocationY);
 140     strResult += strNum;
 141     strResult += "</YNorm>\n";
 142   }
 143
 144   strResult += strPrefix;
 145   strResult += "\t<Bits>";
 146   sprintf(strNum, "%0.3f", m_dNats / log(2.0));
 147   strResult += strNum;
 148   strResult += "</Bits>\n";
 149
 150   strResult += strPrefix;
 151   strResult += "</Pos>\n";
 152
 153   return strResult;
 154 }
 155
 156 // Static helper method for computing normalized X coordinate
 157 double CUserLocation::ComputeNormalizedX(int iX, int iLeft, int iRight)
 158 {
 159   //CFunctionLogger f1("CUserLocation::ComputeNormalizedX", gLogger);
 160
 161   return (double) (iX - iLeft) / (double) abs(iRight - iLeft);
 162 }
 163
 164 // Static helper method for computing normalized Y coordinate
 165 double CUserLocation::ComputeNormalizedY(int iY, int iTop, int iBottom)
 166 {
 167   //CFunctionLogger f1("CUserLocation::ComputeNormalizedY", gLogger);
 168
 169   return (double) (iY - iTop) / (double) abs(iBottom - iTop);
 170 }
 171
 172 void CUserLocation::InitMemeberVars()
 173 {
 174   //CFunctionLogger f1("CUserLocation::InitMemeberVars", gLogger);
 175
 176   m_strTime               = "";
 177   m_iLocationX            = 0;
 178   m_iLocationY            = 0;
 179   m_dNormalizedLocationX  = 0.0;
 180   m_dNormalizedLocationY  = 0.0;
 181   m_bHasNormalized        = false;
 182   m_bHasInteger           = false;
 183   m_dNats                 = 0.0;
 184 }
 185
 186 // Construct based on some XML like:
 187 //  <Pos>
 188 //      <Time>15:49:10.203</Time>
 189 //      <X>807</X>
 190 //      <Y>382</Y>
 191 //      <XNorm>0.7274</XNorm>
 192 //      <YNorm>0.1853</YNorm>
 193 //      <Bits>0.555</Bits>
 194 //  </Pos>
 195 CUserLocation::CUserLocation(const string& strXML)
 196 {
 197   //CFunctionLogger f1("CUserLocation::CUserLocation(XML)", gLogger);
 198
 199   InitMemeberVars();
 200
 201   bool bFoundNormX        = false;
 202   bool bFoundNormY        = false;
 203   bool bFoundX            = false;
 204   bool bFoundY            = false;
 205
 206   m_strTime               = XMLUtil::GetElementString("Time", strXML, true);
 207   m_iLocationX            = XMLUtil::GetElementInt("X", strXML, &bFoundX);
 208   m_iLocationY            = XMLUtil::GetElementInt("Y", strXML, &bFoundY);
 209   m_dNormalizedLocationX  = (float) XMLUtil::GetElementFloat("XNorm", strXML, &bFoundNormX);
 210   m_dNormalizedLocationY  = (float) XMLUtil::GetElementFloat("YNorm", strXML, &bFoundNormY);
 211
 212   // Convert the bits back to dNats
 213   m_dNats                 = (float) ((double) XMLUtil::GetElementFloat("Bits", strXML) * (double) log(2.0));
 214
 215   // If there weren't X, Y elements, we want them set to 0 and mark
 216   // ourselves as not having them.
 217   if ((!bFoundX) && (!bFoundY))
 218   {
 219     m_iLocationX  = 0;
 220     m_iLocationY  = 0;
 221     m_bHasInteger = false;
 222   }
 223   else
 224     m_bHasInteger = true;
 225
 226   // Require that we find both XNorm and YNorm in order to count
 227   if ((!bFoundNormX) || (!bFoundNormY))
 228   {
 229     m_dNormalizedLocationX  = 0.0;
 230     m_dNormalizedLocationY  = 0.0;
 231     m_bHasNormalized        = false;
 232   }
 233   else
 234     m_bHasNormalized        = true;
 235
 236 }
 237
 238 // Returns a tab delimited version of this location's X & Y coordinate
 239 string CUserLocation::GetTabMouseXY(bool bReturnNormalized)
 240 {
 241   //CFunctionLogger f1("CUserLocation::GetTabMouseXY", gLogger);
 242
 243   string strResult = "";
 244   char szNum[256];
 245
 246   if (bReturnNormalized)
 247     sprintf(szNum, "%0.4f\t%0.4f\n", m_dNormalizedLocationX, m_dNormalizedLocationY);
 248   else
 249     sprintf(szNum, "%0.4f\t%0.4f\n", (double)m_iLocationX, (double)m_iLocationY);
 250
 251   strResult += szNum;
 252
 253   return strResult;
 254 }
 255
 256 // Figure out what grid location this normalized mouse coordinate should go.
 257 void CUserLocation::GetMouseGridLocation(int iGridSize, int* pRow, int* pCol)
 258 {
 259   //CFunctionLogger f1("CUserLocation::GetMouseGridLocation", gLogger);
 260
 261   if ((pRow == NULL) || (pCol == NULL))
 262     return;
 263
 264   *pRow = (int) (m_dNormalizedLocationX * (double) iGridSize);
 265   *pCol = (int) (m_dNormalizedLocationY * (double) iGridSize);
 266 }
 267
 268