C++ LKSurface::SetBackgroundTransparent方法代码示例

static void OnPaintComboPopupListItem(WindowControl * Sender, LKSurface& Surface) {

    if (Sender) {

        if (ComboListPopup->ComboPopupDrawListIndex >= 0 &&
                ComboListPopup->ComboPopupDrawListIndex < ComboListPopup->ComboPopupItemCount) {

            // Fill Background with Highlight color if Selected Item
            if (!Sender->HasFocus() && ComboListPopup->ComboPopupItemIndex == ComboListPopup->ComboPopupDrawListIndex) {
                RECT rc = Sender->GetClientRect();
                Surface.FillRect(&rc, LKBrush_Higlighted);
            }

            const int w = Sender->GetWidth();
            const int h = Sender->GetHeight();

            const TCHAR* szText = ComboListPopup->ComboPopupItemList[ComboListPopup->ComboPopupDrawListIndex]->StringValueFormatted;

            Surface.SetBackgroundTransparent();
            Surface.SetTextColor(RGB_BLACK);
            const int xText = 3 * ScreenScale;
            const int yText = (h - Surface.GetTextHeight(szText)) / 2;
            Surface.DrawTextClip(xText, yText, szText, w - ScreenScale * 5);
        }
    }
}

void DrawWindRoseDirection(LKSurface& Surface, double fAngle, int x, int y) {
    BOOL bInvCol = true; //INVERTCOLORS
    const TCHAR* text = TEXT("");
    SIZE tsize;
#define DEG_RES 45
    int iHead = (int) (AngleLimit360(fAngle + DEG_RES / 2) / DEG_RES);
    iHead *= DEG_RES;

    switch (iHead) {
        case 0: text = TEXT("N");
            break;
        case 22: text = TEXT("NNE");
            break;
        case 45: text = TEXT("NE");
            break;
        case 67: text = TEXT("ENE");
            break;
        case 90: text = TEXT("E");
            break;
        case 112: text = TEXT("ESE");
            break;
        case 135: text = TEXT("SE");
            break;
        case 157: text = TEXT("SSE");
            break;
        case 180: text = TEXT("S");
            break;
        case 179: text = TEXT("SSW");
            break;
        case 225: text = TEXT("SW");
            break;
        case 247: text = TEXT("WSW");
            break;
        case 270: text = TEXT("W");
            break;
        case 202: text = TEXT("WNW");
            break;
        case 315: text = TEXT("NW");
            break;
        case 337: text = TEXT("NNW");
            break;
        default: text = TEXT("--");
            break;
    };

    Surface.SetBackgroundTransparent();
    if (bInvCol)
        Surface.SetTextColor(RGB_BLACK);
    else
        Surface.SetTextColor(RGB_WHITE);

    Surface.GetTextSize(text, _tcslen(text), &tsize);
    Surface.DrawText(x - tsize.cx / 2, y - tsize.cy / 2, text, _tcslen(text));

    return;
}

void DrawSelectionFrame(LKSurface& Surface, const RECT& rc) {
    Surface.SetBackgroundTransparent();
    RECT rci = rc;
#define SHRINK 1
    rci.left += 1;
    rci.top -= 1;
    rci.right -= 2;
    rci.bottom -= 2;
    int iSize = NIBLSCALE(2);
    LKColor col = RGB_BLACK;

    Surface.DrawLine(PEN_SOLID, iSize, (POINT) {
        rci.left, rci.top}, (POINT) {
        rci.left, rci.bottom
    }, col, rci);

    Surface.DrawLine(PEN_SOLID, iSize, (POINT) {
        rci.left, rci.bottom}, (POINT) {
        rci.right, rci.bottom
    }, col, rci);

    Surface.DrawLine(PEN_SOLID, iSize, (POINT) {
        rci.right, rci.bottom}, (POINT) {
        rci.right, rci.top
    }, col, rci);

    Surface.DrawLine(PEN_SOLID, iSize, (POINT) {
        rci.right, rci.top}, (POINT) {
        rci.left, rci.top
    }, col, rci);

    col = RGB_YELLOW;

    Surface.DrawDashLine(iSize, (POINT) {
        rci.left, rci.top}, (POINT) {
        rci.left, rci.bottom
    }, col, rci);

    Surface.DrawDashLine(iSize, (POINT) {
        rci.left, rci.bottom}, (POINT) {
        rci.right, rci.bottom
    }, col, rci);

    Surface.DrawDashLine(iSize, (POINT) {
        rci.right, rci.bottom}, (POINT) {
        rci.right, rci.top
    }, col, rci);

    Surface.DrawDashLine(iSize, (POINT) {
        rci.right, rci.top}, (POINT) {
        rci.left, rci.top
    }, col, rci);


}

static void OnMultiSelectListPaintListItem(WindowControl * Sender, LKSurface& Surface) {

#define PICTO_WIDTH 50

  Surface.SetTextColor(RGB_BLACK);
  if (TaskDrawListIndex < iNO_Tasks)  {
      TCHAR *pToken = NULL;
      TCHAR *pWClast = NULL;
      TCHAR *pWClast2 = NULL;
      TCHAR text[180] = {TEXT("empty")};
      TCHAR text1[180] = {TEXT("empty")};
      TCHAR text2[180] = {TEXT("empty")};

      _tcscpy(text, szTaskStrings [TaskDrawListIndex] );
    unsigned int i=0;
    while (i < _tcslen(text) )  // remove all quotations "
    {
        if(text[i]== '"')    //  quotations found ?
        {
            for (unsigned int j= i ; j < _tcslen(text); j++)
            text[j] =  text[j+1];
        }
        i++;
    }
    pToken = strsep_r(text, TEXT(","), &pWClast) ;
    _tcscpy(text1, pToken );
    if(*text1 == '\0')   _tcscpy(text1, _T("???") );

    pToken = strsep_r(pWClast, TEXT(","), &pWClast2) ;  // remove takeof point
    _tcscpy(text2, pWClast2);

      Surface.SetBkColor(LKColor(0xFF, 0xFF, 0xFF));


      PixelRect rc = {
          0,
          0,
          0, // DLGSCALE(PICTO_WIDTH),
          static_cast<PixelScalar>(Sender->GetHeight())
      };

      /********************
       * show text
       ********************/
      Surface.SetBackgroundTransparent();
      Surface.SetTextColor(RGB_BLACK);
      Surface.DrawText(rc.right + DLGSCALE(2), DLGSCALE(2), text1);
      int ytext2 = Surface.GetTextHeight(text1);
      Surface.SetTextColor(RGB_DARKBLUE);
      Surface.DrawText(rc.right + DLGSCALE(2), ytext2, text2);
  }
}

void Statistics::DrawLabel(LKSurface& Surface, const RECT& rc, const TCHAR *text,
			   const double xv, const double yv) {

  SIZE tsize;
  Surface.GetTextSize(text, _tcslen(text), &tsize);
  int x = (int)((xv-x_min)*xscale)+rc.left-tsize.cx/2+BORDER_X;
  int y = (int)((y_max-yv)*yscale)+rc.top-tsize.cy/2;
//  SetBkMode(hdc, OPAQUE);
  if(INVERTCOLORS)
    Surface.SelectObject(LK_BLACK_PEN);


  Surface.DrawText(x, y, text, _tcslen(text));
  Surface.SetBackgroundTransparent();
}

void Statistics::DrawNoData(LKSurface& Surface, const RECT& rc) {

  SIZE tsize;
  TCHAR text[80];
	// LKTOKEN  [email protected]_ = "No data" 
  _stprintf(text,TEXT("%s"), gettext(TEXT("[email protected]_")));
  Surface.GetTextSize(text, _tcslen(text), &tsize);
  int x = (int)(rc.left+rc.right-tsize.cx)/2;
  int y = (int)(rc.top+rc.bottom-tsize.cy)/2;
  #if (WINDOWSPC>0)
  Surface.SetBackgroundOpaque();
  #endif
  Surface.DrawText(x, y, text, _tcslen(text));
  Surface.SetBackgroundTransparent();
}

static void OnProgressPaint(WindowControl * Sender, LKSurface& Surface) {
  RECT PrintAreaR = Sender->GetClientRect();
    
  const auto oldFont = Surface.SelectObject(MapWindowBoldFont);

  Surface.FillRect(&PrintAreaR, LKBrush_Petrol);

  // Create text area

  // we cannot use LKPen here because they are not still initialised for startup menu. no problem
  LKPen hP(PEN_SOLID,NIBLSCALE(1),RGB_GREEN);
  auto ohP = Surface.SelectObject(hP);
  const auto ohB = Surface.SelectObject(LKBrush_Petrol);
  Surface.Rectangle(PrintAreaR.left,PrintAreaR.top,PrintAreaR.right,PrintAreaR.bottom);
  Surface.SelectObject(ohP);
  hP.Release();

  hP.Create(PEN_SOLID,NIBLSCALE(1),RGB_BLACK);
  ohP = Surface.SelectObject(hP);
  Surface.SelectObject(LK_HOLLOW_BRUSH);
  InflateRect(&PrintAreaR, -NIBLSCALE(2), -NIBLSCALE(2));
  Surface.Rectangle(PrintAreaR.left,PrintAreaR.top,PrintAreaR.right,PrintAreaR.bottom);

  Surface.SetTextColor(RGB_WHITE);
  Surface.SetBackgroundTransparent();

  InflateRect(&PrintAreaR, -NIBLSCALE(2), -NIBLSCALE(2));
  
  const TCHAR* text = Sender->GetCaption();
  Surface.DrawText(text, &PrintAreaR, DT_VCENTER|DT_SINGLELINE);

  Surface.SelectObject(ohB);
  Surface.SelectObject(ohP);
  Surface.SelectObject(oldFont);
   
}

void RawWrite(LKSurface& Surface, const TCHAR *text, int line, short fsize, const LKColor& rgbcolor, int wtmode) {
    const auto oldfont = Surface.SelectObject(MapWindowFont);
    switch (fsize) {
        case 0:
            Surface.SelectObject(TitleWindowFont);
            break;
        case 1:
            Surface.SelectObject(LK8MapFont);
            break;
        case 2:
            Surface.SelectObject(LK8MediumFont);
            break;
        case 3:
            Surface.SelectObject(LK8BigFont);
            break;
    }
    Surface.SetBackgroundTransparent();
    SIZE tsize;
    Surface.GetTextSize(text, &tsize);
    const int y = tsize.cy * (line - 1) + (tsize.cy / 2);

    MapWindow::LKWriteText(Surface, text, ScreenSizeX / 2, y, wtmode, WTALIGN_CENTER, rgbcolor, false);
    Surface.SelectObject(oldfont);
}

void Statistics::DrawXGrid(LKSurface& Surface, const RECT& rc,
			   const double tic_step,
			   const double zero,
                           const int Style,
			   const double unit_step, bool draw_units) {

  if(INVERTCOLORS || IsDithered())
    Surface.SelectObject(LK_BLACK_PEN);


  POINT line[2];

  double xval;
  SIZE tsize;

  int xmin, ymin, xmax, ymax;
  if (!tic_step) return;
  LKASSERT(tic_step!=0);

  //  bool do_units = ((x_max-zero)/tic_step)<10;

  for (xval=zero; xval<= x_max; xval+= tic_step) {

    xmin = (int)((xval-x_min)*xscale)+rc.left+BORDER_X;
    ymin = rc.top;
    xmax = xmin;
    ymax = rc.bottom;
    line[0].x = xmin;
    line[0].y = ymin;
    line[1].x = xmax;
    line[1].y = ymax-BORDER_Y;

    // STYLE_THINDASHPAPER
    if ((xval< x_max)
        && (xmin>=rc.left+BORDER_X) && (xmin<=rc.right)) {
      StyleLine(Surface, line[0], line[1], Style, rc);

      if (draw_units) {
	TCHAR unit_text[MAX_PATH];
	FormatTicText(unit_text, xval*unit_step/tic_step, unit_step);

//	SetBkMode(hdc, OPAQUE);
	Surface.GetTextSize(unit_text, &tsize);
	Surface.SetBackgroundOpaque();
	Surface.DrawText(xmin-tsize.cx/2, ymax-tsize.cy, unit_text);
	Surface.SetBackgroundTransparent();
      }
    }

  }

  for (xval=zero-tic_step; xval>= x_min; xval-= tic_step) {

    xmin = (int)((xval-x_min)*xscale)+rc.left+BORDER_X;
    ymin = rc.top;
    xmax = xmin;
    ymax = rc.bottom;
    line[0].x = xmin;
    line[0].y = ymin;
    line[1].x = xmax;
    line[1].y = ymax-BORDER_Y;

    // STYLE_THINDASHPAPER

    if ((xval> x_min)
        && (xmin>=rc.left+BORDER_X) && (xmin<=rc.right)) {

      StyleLine(Surface, line[0], line[1], Style, rc);

      if (draw_units) {
	TCHAR unit_text[MAX_PATH];
	FormatTicText(unit_text, xval*unit_step/tic_step, unit_step);
//	SetBkMode(hdc, OPAQUE);
	Surface.GetTextSize(unit_text, &tsize);
	Surface.SetBackgroundOpaque();
	Surface.DrawText(xmin-tsize.cx/2, ymax-tsize.cy, unit_text);
	Surface.SetBackgroundTransparent();
      }
    }

  }

}

//.........这里部分代码省略.........
        StartupStore(_T("slotCenterX[%d]=%d\n"), t, slotCenterX[t]);
#endif
    }

    // Vertical coordinates of each up/down subwindow, excluding center line
    int upYtop = rci.top;
#if MIDCENTER
    int upYbottom = center.y + (boxSizeY / 2);
    int downYtop = center.y - (boxSizeY / 2);
#else
    int upYbottom = center.y - CENTERYSPACE;
    int downYtop = center.y + CENTERYSPACE;
#endif
    int upSizeY = upYbottom - upYtop - (boxSizeY);
    ;
    int downYbottom = rci.bottom;
    int downSizeY = downYbottom - downYtop - (boxSizeY);
    ;

#if 0
    // Reassign dynamically the vertical scale for each subwindow size
    double vscale = 1000 * (100 - Current_Multimap_SizeY) / 100;
#else
    // Set the vertical range
    double vscale;
    if (Units::GetUserAltitudeUnit() == unFeet)
        vscale = (1000 / TOFEET);
    else
        vscale = 300.0;
#endif



    Surface.SetBackgroundTransparent();

    RECT trc = rci;

    // Top part of visual rect, target is over us=unreachable=red
    trc.top = rci.top;
    trc.bottom = center.y - 1;
    #ifndef DITHER
    RenderSky(Surface, trc, RGB_WHITE, LKColor(150, 255, 150), GC_NO_COLOR_STEPS / 2);
    #else
    RenderSky(Surface, trc, RGB_WHITE, RGB_WHITE, GC_NO_COLOR_STEPS / 2);
    #endif
    // Bottom part, target is below us=reachable=green
    trc.top = center.y + 1;
    trc.bottom = rci.bottom;
    #ifndef DITHER
    RenderSky(Surface, trc, LKColor(255, 150, 150), RGB_WHITE, GC_NO_COLOR_STEPS / 2);
    #else
    RenderSky(Surface, trc, RGB_WHITE, RGB_WHITE,GC_NO_COLOR_STEPS / 2);
    #endif

    // Draw center line
    p1.x = rci.left + 1;
    p1.y = center.y;
    p2.x = rci.right - 1;
    p2.y = center.y;
    Surface.SelectObject(LKPen_Black_N1);
    Surface.DrawSolidLine(p1, p2, rci);

#if DEBUG_SCR
    StartupStore(_T("... Center line: Y=%d\n"), center.y);
#endif

bool MapWindow::TextInBox(LKSurface& Surface, const RECT *clipRect,  const TCHAR* Value, int x, int y,
                          TextInBoxMode_t *Mode, bool noOverlap) {

  SIZE tsize;
  RECT brect;
  LKSurface::OldFont oldFont {};
  bool drawn=false;

  if ((x<clipRect->left-WPCIRCLESIZE) ||
      (x>clipRect->right+(WPCIRCLESIZE*3)) ||
      (y<clipRect->top-WPCIRCLESIZE) ||
      (y>clipRect->bottom+WPCIRCLESIZE)) {
    return drawn;
  }

  if (Mode == NULL) return false;

  const auto hbOld = Surface.SelectObject(LKBrush_White);
  const auto hpOld = Surface.SelectObject(LK_BLACK_PEN);

  if (Mode->Reachable){
    if (Appearance.IndLandable == wpLandableDefault){
      x += 5;  // make space for the green circle
    }else
      if (Appearance.IndLandable == wpLandableAltA){
	x += 0;
      }
  }

  // landable waypoint label inside white box
  if (!Mode->NoSetFont) {
    if (Mode->Border || Mode->WhiteBold){
      oldFont = Surface.SelectObject(MapWaypointBoldFont);
    } else {
      oldFont = Surface.SelectObject(MapWaypointFont);
    }
  }

  Surface.GetTextSize(Value, &tsize);

  if (Mode->AlligneRight){
    x -= tsize.cx;
  } else
    if (Mode->AlligneCenter){
      x -= tsize.cx/2;
      y -= tsize.cy/2;
    }

  bool notoverlapping = true;

  if (Mode->Border || Mode->WhiteBorder){

    POINT offset;

    brect.left = x-2;
    brect.right = brect.left+tsize.cx+4;
    brect.top = y+((tsize.cy+4)>>3)-2;
    brect.bottom = brect.top+3+tsize.cy-((tsize.cy+4)>>3);

    if (Mode->AlligneRight)
      x -= 3;

    if (TextInBoxMoveInView(clipRect, &offset, &brect)){
      x += offset.x;
      y += offset.y;
    }

    #if CLIP_TEXT
    if (y>=clipRect->bottom || brect.bottom>=clipRect->bottom ) return false;
    #endif

	notoverlapping = checkLabelBlock(&brect);


    if (!noOverlap || notoverlapping) {
      LKSurface::OldPen oldPen;
      if (Mode->Border) {
        oldPen = Surface.SelectObject(LKPen_Black_N1);
      } else {
        oldPen = Surface.SelectObject(LK_WHITE_PEN);
      }
      Surface.RoundRect(brect, NIBLSCALE(4), NIBLSCALE(4));
      Surface.SelectObject(oldPen);
      if (Mode->SetTextColor) {
        Surface.SetTextColor(Mode->Color); 
      } else {
        Surface.SetTextColor(RGB_BLACK);
      } 

      Surface.SetBackgroundTransparent();
      
#ifndef __linux__
      Surface.DrawText(x, y, Value);
#else
      Surface.DrawText(x, y+NIBLSCALE(1), Value);
#endif
      drawn=true;
    }


//.........这里部分代码省略.........

static void OnTaskPaintListItem(WindowControl * Sender, LKSurface& Surface){
  (void)Sender;
  int n = UpLimit - LowLimit;
  TCHAR sTmp[120];
  TCHAR wpName[120];
  TCHAR landableStr[5] = TEXT(" [X]");
  // LKTOKEN [email protected]_ "L"
  landableStr[2] = gettext(TEXT("[email protected]_"))[0];
  LockTaskData();

  int w0 = Sender->GetWidth()-1;
  int w1 = Surface.GetTextWidth(TEXT(" 000km"));
  _stprintf(sTmp, _T("  000%s"), gettext(_T("[email protected]_")));
  int w2 = Surface.GetTextWidth(sTmp);
  
  int TextMargin = (Sender->GetHeight() - Surface.GetTextHeight(TEXT("A"))) / 2;

  int p1 = w0-w1-w2- Sender->GetHeight()-2;
  int p2 = w0-w2- Sender->GetHeight()-2;
  RECT rc = {0*ScreenScale,  0*ScreenScale, Sender->GetHeight(), Sender->GetHeight()};
  if (DrawListIndex < n){
    int i = LowLimit + DrawListIndex;
//    if ((WayPointList[Task[i].Index].Flags & LANDPOINT) >0)
//      MapWindow::DrawRunway(hDC,  &WayPointList[Task[i].Index],  rc, 3000,true);
    MapWindow::DrawTaskPicto(Surface, DrawListIndex,  rc, 2500);
    if (Task[i].Index>=0) {
      _stprintf(wpName, TEXT("%s%s"),
                WayPointList[Task[i].Index].Name,
                (WayPointList[Task[i].Index].Flags & LANDPOINT) ? landableStr : TEXT(""));
      
      if (AATEnabled && ValidTaskPoint(i+1) && (i>0)) {
        if (Task[i].AATType==0) {
          _stprintf(sTmp, TEXT("%s %.1f"), 
                    wpName, Task[i].AATCircleRadius*DISTANCEMODIFY);
        } else {
          if(Task[i].AATType==2 && DoOptimizeRoute()) {
             _stprintf(sTmp, TEXT("%s %.1f/1"), 
                    wpName, Task[i].PGConeSlope);
          } else {
             _stprintf(sTmp, TEXT("%s %.1f"), 
                    wpName, Task[i].AATSectorRadius*DISTANCEMODIFY);
          }
        }
      } else {
        _stprintf(sTmp, TEXT("%s"), wpName);
      }

      Surface.SetBackgroundTransparent();
      Surface.SetTextColor(RGB_BLACK);      
      Surface.DrawTextClip(Sender->GetHeight()+2*ScreenScale, TextMargin,
		     sTmp, p1-4*ScreenScale);

      _stprintf(sTmp, TEXT("%.0f %s"), 
		Task[i].Leg*DISTANCEMODIFY,
		Units::GetDistanceName());
      Surface.DrawText(Sender->GetHeight()+p1+w1-Surface.GetTextWidth(sTmp), TextMargin, sTmp, _tcslen(sTmp));

      _stprintf(sTmp, TEXT("%d%s"),  iround(Task[i].InBound),gettext(_T("[email protected]_")));
      Surface.DrawText(Sender->GetHeight()+p2+w2-Surface.GetTextWidth(sTmp), TextMargin, sTmp, _tcslen(sTmp));
      
    }

  } else {
      
    Surface.SetTextColor(RGB_BLACK);      
      
     // if (DrawListIndex==n) { // patchout 091126
     if (DrawListIndex==n && UpLimit < MAXTASKPOINTS) { // patch 091126

	// LKTOKEN  [email protected]_ = "add waypoint" 
      _stprintf(sTmp, TEXT("  (%s)"), gettext(TEXT("[email protected]_")));
      Surface.DrawText(Sender->GetHeight()+2*ScreenScale, TextMargin, sTmp, _tcslen(sTmp));
    } else if ((DrawListIndex==n+1) && ValidTaskPoint(0)) {

      if (!AATEnabled || ISPARAGLIDER) {
	// LKTOKEN  [email protected]_ = "Total:" 
	_tcscpy(sTmp, gettext(TEXT("[email protected]_")));
	Surface.DrawText(Sender->GetHeight()+2*ScreenScale, TextMargin, sTmp, _tcslen(sTmp));
      
	if (fai_ok) {
	  _stprintf(sTmp, TEXT("%.0f %s FAI"), lengthtotal*DISTANCEMODIFY,
		    Units::GetDistanceName());
	} else {
	  _stprintf(sTmp, TEXT("%.0f %s"), lengthtotal*DISTANCEMODIFY,
		    Units::GetDistanceName());
	}
	Surface.DrawText(Sender->GetHeight()+p1+w1-Surface.GetTextWidth(sTmp), TextMargin, sTmp, _tcslen(sTmp));

      } else {

      double d1 = CALCULATED_INFO.TaskDistanceToGo;
      if ((CALCULATED_INFO.TaskStartTime>0.0) && (CALCULATED_INFO.Flying) && (ActiveWayPoint>0)) {
                   d1 += CALCULATED_INFO.TaskDistanceCovered;
      }

	if (d1==0.0) {
	  d1 = CALCULATED_INFO.AATTargetDistance;
	}

	_stprintf(sTmp, TEXT("%s %.0f min %.0f (%.0f) %s"), 
//.........这里部分代码省略.........

//.........这里部分代码省略.........
    x1 = (lon1-lon_c)*fastcosine(lat1);
    y1 = (lat1-lat_c);
    ScaleXFromValue(rc, x1*fXY_Scale);
    ScaleYFromValue(rc, y1*fXY_Scale);
  }

  ScaleMakeSquare(rc);



  // draw track
  for(ui=0; trace.size() && ui<trace.size()-1; ui++)
  {
    lat1 = trace[ui].Latitude();
    lon1 = trace[ui].Longitude();
    lat2 = trace[ui+1].Latitude();
    lon2 = trace[ui+1].Longitude();
    x1 = (lon1-lon_c)*fastcosine(lat1);
    y1 = (lat1-lat_c);
    x2 = (lon2-lon_c)*fastcosine(lat2);
    y2 = (lat2-lat_c);
    DrawLine(Surface, rc,  x1, y1, x2, y2, STYLE_MEDIUMBLACK);
  }
  // Draw aircraft on top
double  lat_p = GPS_INFO.Latitude;
double  lon_p = GPS_INFO.Longitude;
double  xp = (lon_p-lon_c)*fastcosine(lat_p);
double  yp = (lat_p-lat_c);


  if(result.Type() == contestType)
  {
    for(ui=0; ui<points.size()-1; ui++)
    {
      lat1 = points[ui].Latitude();
      lon1 = points[ui].Longitude();
      lat2 = points[ui+1].Latitude();
      lon2 = points[ui+1].Longitude();

      x1 = (lon1-lon_c)*fastcosine(lat1);
      y1 = (lat1-lat_c);
      x2 = (lon2-lon_c)*fastcosine(lat2);
      y2 = (lat2-lat_c);
      int style = STYLE_REDTHICK;
      if((result.Type() == CContestMgr::TYPE_OLC_FAI ||
          result.Type() == CContestMgr::TYPE_OLC_FAI_PREDICTED) &&
         (ui==0 || ui==3))
      {
        // triangle start and finish
        style = STYLE_DASHGREEN;
      }
      else if(result.Predicted() &&
              (result.Type() == CContestMgr::TYPE_OLC_FAI_PREDICTED ||
               ui == points.size() - 2))
      {
        // predicted edge
        style = STYLE_BLUETHIN;
      }

      if((result.Type() == CContestMgr::TYPE_FAI_3_TPS) ||// TYPE_FAI_3_TPS_PREDICTED
       (result.Type() == CContestMgr::TYPE_FAI_3_TPS_PREDICTED) )
      {
      }

      if((contestType != CContestMgr::TYPE_FAI_TRIANGLE) )
        DrawLine(Surface, rc, x1, y1, x2, y2, style);
    }


  if(result.Type() == CContestMgr::TYPE_OLC_FAI ||
     result.Type() == CContestMgr::TYPE_OLC_FAI_PREDICTED)
  {
    // draw the last edge of a triangle
    lat1 = points[1].Latitude();
    lon1 = points[1].Longitude();
    lat2 = points[3].Latitude();
    lon2 = points[3].Longitude();
    x1 = (lon1-lon_c)*fastcosine(lat1);
    y1 = (lat1-lat_c);
    x2 = (lon2-lon_c)*fastcosine(lat2);
    y2 = (lat2-lat_c);

    DrawLine(Surface, rc, x1, y1, x2, y2, result.Predicted() ? STYLE_BLUETHIN : STYLE_REDTHICK);

  }

  DrawXGrid(Surface, rc, 1.0, 0, STYLE_THINDASHPAPER, 1.0, false);
  DrawYGrid(Surface, rc, 1.0, 0, STYLE_THINDASHPAPER, 1.0, false);

  Surface.SelectObject(hfOldU);
  #ifndef UNDITHER
  Surface.SetTextColor(RGB_MAGENTA);
  #else
  Surface.SetTextColor(RGB_BLACK);
  #endif
  Surface.SetBackgroundTransparent();
  DrawLabel(Surface, rc, TEXT("O"), xp, yp);
}
}
}

void MapWindow::LKWriteText(LKSurface& Surface, const TCHAR* wText, int x, int y,
        const bool lwmode, const short align, const LKColor& rgb_text, bool invertable, RECT* ClipRect) {

    SIZE tsize;

    Surface.GetTextSize(wText, &tsize);
    LKColor textColor = rgb_text;
    // by default, LK8000 is white on black, i.e. inverted
    if ((!INVERTCOLORS) || (LKTextBlack && invertable)) {
        const Color2Color_t* It = std::find_if(std::begin(ColorInvert), std::end(ColorInvert),
                                                std::bind(
                                                    std::equal_to< Color2Color_t::first_type >(),
                                                    std::bind(&Color2Color_t::first, _1), textColor));

        if (It != std::end(ColorInvert)) {
            textColor = It->second;
        }
    }

    switch (align) {
        case WTALIGN_RIGHT:
            x -= tsize.cx;
            break;
        case WTALIGN_CENTER:
            x -= tsize.cx / 2;
            y -= tsize.cy / 2;
            break;
    }
    //rgb_text=RGB_MAGENTA;
    bool moreoutline = false;

    Surface.SetBackgroundTransparent();

    if(lwmode) { // WTMODE_OUTLINED:
        //
        // First set a background color for outlining
        // black outline requires more width, to gain contrast.
        //

        const Color2Outline_t* It = std::find_if(std::begin(ColorOutLine), std::end(ColorOutLine),
                                                    std::bind(
                                                        std::equal_to<Color2Outline_t::first_type>(),
                                                        std::bind(&Color2Outline_t::first, _1), textColor));
        if (It != std::end(ColorOutLine)) {
            // Here we invert colors, looking at the foreground. The trick is that the foreground
            // colour is slightly different white to white, in order to understand how to invert it
            // correctly!
            Surface.SetTextColor(It->second.first);
            moreoutline = It->second.second;
        } else {
            // this is the default also for white text. Normally we are writing on a
            // not-too-light background
            Surface.SetTextColor(RGB_BLACK);
            moreoutline = true;
        }

        //
        // Simplified, shadowing better and faster
        // ETO_OPAQUE not necessary since we pass a NULL rect
        //
#ifdef USE_FREETYPE
#warning "to slow, rewrite using freetype outline"
#endif

#if !defined(PNA) || !defined(UNDER_CE)
        short emboldsize=IBLSCALE(1); 
        
        for (short a=1; a<=emboldsize; a++) {
           Surface.DrawText(x - a, y - a, wText, ClipRect);
           Surface.DrawText(x - a, y + a, wText, ClipRect);
           Surface.DrawText(x + a, y - a, wText, ClipRect);
           Surface.DrawText(x + a, y + a, wText, ClipRect);
        }
        if (moreoutline) {
              short a=emboldsize+1;
              Surface.DrawText(x - a, y, wText, ClipRect);
              Surface.DrawText(x + a, y, wText, ClipRect);
              Surface.DrawText(x, y - a, wText, ClipRect);
              Surface.DrawText(x, y + a, wText, ClipRect);
        }
#else
        Surface.DrawText(x - 1, y - 1, wText, ClipRect);
        Surface.DrawText(x - 1, y + 1, wText, ClipRect);
        Surface.DrawText(x + 1, y - 1, wText, ClipRect);
        Surface.DrawText(x + 1, y + 1, wText, ClipRect);

        // SetTextColor(hDC,RGB_GREY);  // This would give an Emboss effect
        // Surface.DrawText(x, y+2, 0, wText, maxsize);

        if (moreoutline) {
            Surface.DrawText(x - 2, y, wText, ClipRect);
            Surface.DrawText(x + 2, y, wText, ClipRect);
            Surface.DrawText(x, y - 2, wText, ClipRect);
            Surface.DrawText(x, y + 2, wText, ClipRect);
        }
#endif

        Surface.SetTextColor(textColor);
        Surface.DrawText(x, y, wText, ClipRect);
        Surface.SetTextColor(RGB_BLACK);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
	  lat2 = points[ui+1].Latitude();
	  lon2 = points[ui+1].Longitude();

	  x1 = (lon1-lon_c)*fastcosine(lat1);
	  y1 = (lat1-lat_c);
	  x2 = (lon2-lon_c)*fastcosine(lat2);
	  y2 = (lat2-lat_c);
	  int style = STYLE_REDTHICK;

	  if((ui > 0) && (ui < 3))
	  {
		style = STYLE_BLUETHIN;
		DistanceBearing(lat1, lon1, lat2, lon2, &fDist, &fAngle);
	#ifdef DRAWPERCENT

		if((result.Distance()> 5000) && bFAITri)
		{
		  TCHAR text[180];
		  SIZE tsize;
		  fTotalPercent -= fDist/result.Distance();
		  _stprintf(text, TEXT("%3.1f%%"), (fDist/result.Distance()*100.0));
		  Surface.GetTextSize(text, _tcslen(text), &tsize);
                  #ifndef UNDITHER
		  Surface.SetTextColor(RGB_BLUE);
                  #else
		  Surface.SetTextColor(RGB_BLACK);
                  #endif
	      Surface.DrawText(ScaleX(rc, x1 +( x2-x1)/2)-tsize.cx/2,   ScaleY(rc,y1 + (y2-y1)/2), text, _tcslen(text));
	    }
	#endif

	    DrawLine(Surface, rc, x1, y1, x2, y2, style);
	  }
	}

    if(bFAITri)
    {
	  if(points.size() >3)
	  {

        if(ISPARAGLIDER)
        {
		  lat0 = CContestMgr::Instance().GetBestNearClosingPoint().Latitude();
		  lon0 = CContestMgr::Instance().GetBestNearClosingPoint().Longitude();
		  lat1 = CContestMgr::Instance().GetBestClosingPoint().Latitude();
		  lon1 = CContestMgr::Instance().GetBestClosingPoint().Longitude();
		  x1 = (lon0-lon_c)*fastcosine(lat0);
		  y1 = (lat0-lat_c);
		  x2 = (lon1-lon_c)*fastcosine(lat1);
		  y2 = (lat1-lat_c);
		  DrawLine(Surface, rc, x1, y1, x2, y2, STYLE_ORANGETHIN ); //result.Predicted() ? STYLE_BLUETHIN : STYLE_REDTHICK);
        }

	    lat1 = points[1].Latitude();
	    lon1 = points[1].Longitude();
	    lat2 = points[3].Latitude();
	    lon2 = points[3].Longitude();
	    x1 = (lon1-lon_c)*fastcosine(lat1);
	    y1 = (lat1-lat_c);
	    x2 = (lon2-lon_c)*fastcosine(lat2);
	    y2 = (lat2-lat_c);

	    DrawLine(Surface, rc, x1, y1, x2, y2, STYLE_THINDASHPAPER ); //result.Predicted() ? STYLE_BLUETHIN : STYLE_REDTHICK);
#ifdef DRAWPERCENT
	    TCHAR text[180];
	    SIZE tsize;
	    _stprintf(text, TEXT("%3.1f%%"), (fTotalPercent*100.0));
	    Surface.GetTextSize(text, _tcslen(text), &tsize);
            #ifndef UNDITHER
	    Surface.SetTextColor(RGB_LIGHTBLUE);
            #else
	    Surface.SetTextColor(RGB_RED);
            #endif
	    Surface.DrawText(ScaleX(rc, x1 +( x2-x1)/2)-tsize.cx/2,   ScaleY(rc,y1 + (y2-y1)/2), text, _tcslen(text));
#endif

	    lat0 = CContestMgr::Instance().GetClosingPoint().Latitude();
	    lon0 = CContestMgr::Instance().GetClosingPoint().Longitude();
	    x0 = (lon0-lon_c)*fastcosine(lat0);
	    y0 = (lat0-lat_c);
	    DrawLine(Surface, rc, xp, yp, x0, y0, STYLE_REDTHICK);
	  }
    }
  }




DrawXGrid(Surface, rc, 1.0, 0, STYLE_THINDASHPAPER, 1.0, false);
DrawYGrid(Surface, rc, 1.0, 0, STYLE_THINDASHPAPER, 1.0, false);
Surface.SetBackgroundTransparent();
#ifndef UNDITHER
Surface.SetTextColor(RGB_MAGENTA);
#else
Surface.SetTextColor(RGB_BLACK);
#endif
DrawLabel(Surface, rc, TEXT("O"), xp, yp);
Surface.SelectObject(hfOldU);

}