void CPage_Node_Phase::DrawLink(CPaintDC* pDC,GDPoint pt_from, GDPoint pt_to,int NumberOfLanes, double theta, int lane_width)
{
CPoint DrawPoint[4];
//then offset
int link_offset = lane_width;
pt_from.x += link_offset* cos(theta-PI/2.0f);
pt_to.x += link_offset* cos(theta-PI/2.0f);
pt_from.y += link_offset* sin(theta-PI/2.0f);
pt_to.y += link_offset* sin(theta-PI/2.0f);
DrawPoint[0] = NPtoSP(pt_from);
DrawPoint[1] = NPtoSP(pt_to);
link_offset = min(5,NumberOfLanes)*lane_width ;
pt_from.x += link_offset* cos(theta-PI/2.0f);
pt_to.x += link_offset* cos(theta-PI/2.0f);
pt_from.y += link_offset* sin(theta-PI/2.0f);
pt_to.y += link_offset* sin(theta-PI/2.0f);
DrawPoint[2] = NPtoSP(pt_to);
DrawPoint[3] = NPtoSP(pt_from);
pDC->Polygon(DrawPoint, 4);
}
void CPage_Node_Lane::DrawLinkPinPoint(CPaintDC *pDC, LinkRecord *pRecord, bool bOriginAngle /* = true */)
{
GDPoint cntPoint,lefttop,bottomright;
CRect centerRect;
int nR5 = m_Para.nR5;
int nDis = m_Para.nLaneWidth;
double theta = bOriginAngle ? pRecord->dTheta : pRecord->dNormTheta;
int i = (pRecord->nChnlNum+pRecord->nLaneNum+pRecord->nPcktNum + 1) / 2 ;
if ( pRecord->nIO == 1)
{
nDis = -1 * nDis;
}
cntPoint.x = nR5 * cos(theta) + i * nDis * cos(theta-PI/2.0f);
cntPoint.y = nR5 * sin(theta) + i * nDis * sin(theta-PI/2.0f);
int nRadius2 = m_Para.nPinPointRadius;
lefttop.x = cntPoint.x - nRadius2;
lefttop.y = cntPoint.y - nRadius2;
bottomright.x = cntPoint.x + nRadius2;
bottomright.y = cntPoint.y + nRadius2;
centerRect = CRect(NPtoSP(lefttop),NPtoSP(bottomright));
pDC->Ellipse(centerRect);
}
void CPage_Node_Lane::DrawCentroidRadicalLines(CPaintDC *pDC, CRect PlotRect,bool bOriginAngle/*=true*/)
{
CPen blackPen(PS_SOLID,0,RGB(0,0,0));
CPen greyPen(PS_SOLID,2,RGB(128,128,128));
CPen lanePen(PS_SOLID,1,RGB(0,0,0));
CPen laneSelectedPen(PS_SOLID,2,RGB(255,0,0));
CBrush greyBrush(RGB(128,128,128));
CBrush whiteBrush(RGB(255,255,255));
CBrush redBrush(RGB(255,0,0));
pDC->SetBkMode(TRANSPARENT);
CPen *pOldPen = pDC->SelectObject(&blackPen);
CBrush* pOldBrush = pDC->SelectObject(&whiteBrush);
pDC->Rectangle(PlotRect);
GDPoint cntPoint,lefttop,bottomright;
CRect centerRect;
cntPoint.x = 0.0;
cntPoint.y = 0.0;
int nRadius2 = m_Para.nCentroidRadius;
lefttop.x = cntPoint.x - nRadius2;
lefttop.y = cntPoint.y - nRadius2;
bottomright.x = cntPoint.x + nRadius2;
bottomright.y = cntPoint.y + nRadius2;
pDC->SelectObject(&greyPen);
pDC->SelectObject(&greyBrush);
centerRect = CRect(NPtoSP(lefttop),NPtoSP(bottomright));
pDC->Ellipse(centerRect);
for(int i=0;i<m_LinkData.size();i++)
{
LinkRecord *pRecord = m_LinkData[i];
pDC->SelectObject(&greyPen);
DrawRadicalLine(pDC,pRecord,bOriginAngle);
pDC->SelectObject(&lanePen);
pDC->SelectObject(&greyBrush);
DrawLanes(pDC,pRecord,bOriginAngle);
pDC->SelectObject(&blackPen);
if (pRecord->nLinkID == m_nSelectedLinkID)
pDC->SelectObject(&redBrush);
DrawLinkPinPoint(pDC,pRecord,bOriginAngle);
}
// draw selected link pin point
pDC->SelectObject(pOldPen);
pDC->SelectObject(pOldBrush);
}
void CPage_Node_Lane::DrawRadicalLine(CPaintDC *pDC, LinkRecord *pRecord,bool bOriginAngle /* = true*/)
{
GDPoint p1,p2;
int nR1 = m_Para.nR1;
int nR2 = m_Para.nR2;
double theta = bOriginAngle ? pRecord->dTheta : pRecord->dNormTheta;
p1.x = nR1 * cos(theta);
p1.y = nR1 * sin(theta);
p2.x = nR2 * cos(theta);
p2.y = nR2 * sin(theta);
pDC->MoveTo(NPtoSP(p1));
pDC->LineTo(NPtoSP(p2));
}
int CPage_Node_Lane::FindClickedLink(CPoint pt,bool bOriginAngle /* = true */)
{
int nRtLinkID = -1;
for(int j=0;j<m_LinkData.size();j++)
{
LinkRecord* pRecord = m_LinkData[j];
GDPoint cntPoint,lefttop,bottomright;
CRect centerRect;
int nR5 = m_Para.nR5;
int nDis = m_Para.nLaneWidth;
double theta = bOriginAngle ? pRecord->dTheta : pRecord->dNormTheta;
int i = (pRecord->nChnlNum+pRecord->nLaneNum+pRecord->nPcktNum + 1) / 2 ;
if ( pRecord->nIO == 1)
{
nDis = -1 * nDis;
}
cntPoint.x = nR5 * cos(theta) + i * nDis * cos(theta-PI/2.0f);
cntPoint.y = nR5 * sin(theta) + i * nDis * sin(theta-PI/2.0f);
int nRadius2 = m_Para.nPinPointRadius;
lefttop.x = cntPoint.x - nRadius2;
lefttop.y = cntPoint.y - nRadius2;
bottomright.x = cntPoint.x + nRadius2;
bottomright.y = cntPoint.y + nRadius2;
centerRect = CRect(NPtoSP(lefttop),NPtoSP(bottomright));
centerRect.NormalizeRect();
if ( centerRect.PtInRect(pt) )
{
nRtLinkID = pRecord->nLinkID;
break;
}
}
return nRtLinkID;
}
void CPage_Node_Phase::DrawMovements(CPaintDC* pDC,CRect PlotRect, bool bPhaseWindow =false)
{
m_MovementBezierVector.clear();
CPen NormalPen(PS_SOLID,2,RGB(0,0,0));
CPen TimePen(PS_DOT,1,RGB(0,0,0));
CPen DASHPen(PS_SOLID,1,RGB(255,178,102));
CPen DataPen(PS_SOLID,0,RGB(0,0,0));
CPen SelectedPen(PS_SOLID,3,RGB(255,0,0));
CPen SelectedPhasePen(PS_SOLID,4,RGB(0,0,255));
CBrush WhiteBrush(RGB(255,255,255));
pDC->SetBkMode(TRANSPARENT);
pDC->SelectObject(&DataPen);
pDC->SelectObject(&WhiteBrush);
pDC->Rectangle (PlotRect);
CString str;
if(bPhaseWindow == true )
{
str.Format("Phase %d",m_SelectedPhaseNumber);
pDC->TextOutA(PlotRect.left+10,PlotRect.top +5,str);
}
CBrush BrushLinkBand(RGB(152,245,255));
pDC->SelectObject(&BrushLinkBand);
DTANode* pNode = m_pDoc->m_NodeNoMap [m_CurrentNodeID];
int node_size = 10;
int node_set_back = 50;
int link_length = 100;
int lane_width = 10;
int text_length = link_length+ 20;
str.Format("%d",m_CurrentNodeNumber);
if(bPhaseWindow == false || m_SelectedPhaseNumber == 1)
pDC->TextOutA( PlotRect.CenterPoint().x-5, PlotRect.CenterPoint().y-5,str);
for (unsigned int i=0;i< pNode->m_MovementDataMap["ALLDAY"].m_MovementVector .size();i++)
{
DTANodeMovement movement = pNode->m_MovementDataMap["ALLDAY"].m_MovementVector[i];
if( m_pDoc->m_hide_non_specified_movement_on_freeway_and_ramp && movement.bNonspecifiedTurnDirectionOnFreewayAndRamps && i != m_SelectedMovementIndex)
continue;
DTALink* pInLink = m_pDoc->m_LinkNoMap [movement.IncomingLinkNo];
DTALink* pOutLink = m_pDoc->m_LinkNoMap [movement.OutgoingLinkNo ];
GDPoint p1, p2, p3;
// 1: fetch all data
p1 = m_pDoc->m_NodeNoMap[movement.in_link_from_node_id ]->pt;
p2 = m_pDoc->m_NodeNoMap[movement.in_link_to_node_id ]->pt;
p3 = m_pDoc->m_NodeNoMap[movement.out_link_to_node_id]->pt;
double DeltaX = p2.x - p1.x ;
double DeltaY = p2.y - p1.y ;
double theta = atan2(DeltaY, DeltaX);
GDPoint p1_new, p2_new, p3_new;
GDPoint p1_text, p3_text;
GDPoint pt_movement[3];
// 2. set new origin
p2_new.x = (-1)*node_set_back*cos(theta);
p2_new.y = (-1)*node_set_back*sin(theta);
int link_mid_offset = (pInLink->m_NumberOfLanes/2 +1)*lane_width; // mid
pt_movement[0].x = p2_new.x + link_mid_offset* cos(theta-PI/2.0f);
pt_movement[0].y = p2_new.y + link_mid_offset* sin(theta-PI/2.0f);
// 3 determine the control point for PolyBezier
float control_point_ratio = 0;
if(movement.movement_turn == DTA_Through )
{
control_point_ratio = 0;
}else if(movement.movement_turn == DTA_LeftTurn )
{
control_point_ratio = 1.2;
}else
{
control_point_ratio = 0.5;
}
pt_movement[1].x = pt_movement[0].x + node_set_back*control_point_ratio*cos(theta);
pt_movement[1].y = pt_movement[0].y + node_set_back*control_point_ratio*sin(theta);
if(bPhaseWindow == true)
{
link_length = 1;
text_length = node_set_back+10;
}
p1_new.x = (-1)*link_length*cos(theta);
p1_new.y = (-1)*link_length*sin(theta);
p1_text.x= (-1)*(text_length)*cos(theta);
p1_text.y= (-1)*(text_length)*sin(theta);
// 4: draw from node name
str.Format("%d",m_pDoc->m_NodeNoMap [movement.in_link_from_node_id]->m_NodeNumber );
if(p1_text.y < -50)
p1_text.y +=10;
CPoint pt_text = NPtoSP(p1_text);
if(bPhaseWindow == false || m_SelectedPhaseNumber == 1)
{
pDC->SetTextColor(RGB(0,0,255));
pDC->TextOutA(pt_text.x-10,pt_text.y,str);
pDC->SetTextColor(RGB(0,0,0));
}
if(bPhaseWindow == false)
DrawLink(pDC,p1_new,p2_new,pInLink->m_NumberOfLanes,theta,lane_width);
////////////////////////////////////////////
//5: outgoing link
DeltaX = p3.x - p2.x ;
DeltaY = p3.y - p2.y ;
theta = atan2(DeltaY, DeltaX);
// set new origin
p2_new.x = node_set_back*cos(theta);
p2_new.y = node_set_back*sin(theta);
link_mid_offset = (pOutLink->m_NumberOfLanes/2+1)*lane_width;
pt_movement[2].x = p2_new.x + link_mid_offset* cos(theta-PI/2.0f);
pt_movement[2].y = p2_new.y + link_mid_offset* sin(theta-PI/2.0f);
p3_new.x = link_length*cos(theta);
p3_new.y = link_length*sin(theta);
p3_text.x= text_length*cos(theta);
p3_text.y= text_length*sin(theta);
if(bPhaseWindow == false)
DrawLink(pDC,p2_new,p3_new,pOutLink->m_NumberOfLanes,theta,lane_width);
DTALink * pRevLink = NULL; //reversed link
unsigned long ReversedLinkKey = m_pDoc->GetLinkKey(pOutLink->m_ToNodeID, pOutLink->m_FromNodeID);
int reversed_link_id = 0;
if ( m_pDoc->m_NodeNotoLinkMap.find ( ReversedLinkKey) == m_pDoc->m_NodeNotoLinkMap.end())
{
str.Format("%d",m_pDoc->m_NodeNoMap [movement.out_link_to_node_id ]->m_NodeNumber );
if(p3_text.y < -50)
p3_text.y +=10;
pt_text = NPtoSP(p3_text);
if(bPhaseWindow == false || m_SelectedPhaseNumber == 1)
pDC->TextOutA(pt_text.x-10,pt_text.y,str);
}
// draw movement
CPoint Point_Movement[4];
if(i == m_SelectedMovementIndex)
{
pDC->SelectObject(&SelectedPen);
}
else
{
//if(m_ListCtrl.GetItemText (i,4).Find("Prohibited") != -1) // select prohibited movement pen:
// pDC->SelectObject(&g_PenProhibitedMovement);
//else
// pDC->SelectObject(&NormalPen);
}
if(movement.movement_turn == DTA_LeftTurn )
{
float weight = 0.9;
pt_movement[1].x = (1-weight)*(pt_movement[0].x + pt_movement[2].x)/2 +0*weight;
pt_movement[1].y = (1-weight)*(pt_movement[0].y + pt_movement[2].y)/2 +0*weight;
}
Point_Movement[0]= NPtoSP(pt_movement[0]);
Point_Movement[1]= NPtoSP(pt_movement[1]);
Point_Movement[2]= NPtoSP(pt_movement[1]);
Point_Movement[3]= NPtoSP(pt_movement[2]);
Point_Movement[0]= NPtoSP(pt_movement[0]);
Point_Movement[1]= NPtoSP(pt_movement[1]);
Point_Movement[2]= NPtoSP(pt_movement[1]);
Point_Movement[3]= NPtoSP(pt_movement[2]);
MovementBezier element(Point_Movement[0], Point_Movement[1],Point_Movement[3]);
m_MovementBezierVector.push_back (element);
if(m_bHideRightTurnMovement &&( pNode->m_MovementDataMap["ALLDAY"].m_MovementVector[i].movement_turn == DTA_RightTurn || pNode->m_MovementDataMap["ALLDAY"].m_MovementVector[i].movement_turn == DTA_RightTurn2))
continue;
bool bMovementIncluded = false;
if(m_SelectedPhaseNumber >=1)
{
bMovementIncluded = m_pDoc->IfMovementIncludedInPhase(m_CurrentNodeNumber ,m_pDoc->m_TimingPlanVector [ m_SelectedTimingPlanNo].timing_plan_name,m_SelectedPhaseNumber, movement.in_link_from_node_id,movement.out_link_to_node_id );
}
if(m_SelectedPhaseNumber <=0 || /* all phases*/
m_SelectedPhaseNumber>=1 && ( bMovementIncluded == true || m_bPhasingDataEditMode) ) // seleted phase
{
pDC->SelectObject(&NormalPen);
if(m_SelectedPhaseNumber>=1 && m_bPhasingDataEditMode)
{
if( bMovementIncluded == true)
pDC->SelectObject(&NormalPen);
else
pDC->SelectObject(&DASHPen);
}
if(i == m_SelectedMovementIndex && m_bPhasingDataEditMode)
{
pDC->SelectObject(&SelectedPen);
}
//overwrite
if(i == m_SelectedMovementIndex)
{
pDC->SelectObject(&SelectedPen);
}
pDC->PolyBezier(Point_Movement,4);
bool bShowArrow = false;
if(m_SelectedPhaseNumber>=1 && bMovementIncluded == true)
{
bShowArrow = true;
}
if(bShowArrow)
{
CPoint FromPoint = Point_Movement[2] ;
CPoint ToPoint = Point_Movement[3];
CPoint arrow_pts[3];
double slopy = atan2((double)(FromPoint.y - ToPoint.y), (double)(FromPoint.x - ToPoint.x));
double cosy = cos(slopy);
double siny = sin(slopy);
double display_length = sqrt((double)(FromPoint.y - ToPoint.y)*(FromPoint.y - ToPoint.y)+(double)(FromPoint.x - ToPoint.x)*(FromPoint.x - ToPoint.x));
double arrow_size = min(10,display_length/3.0);
if(arrow_size>0.2)
{
arrow_pts[0] = ToPoint;
arrow_pts[1].x = ToPoint.x + (int)(arrow_size * cosy - (arrow_size / 2.0 * siny) + 0.5);
arrow_pts[1].y = ToPoint.y + (int)(arrow_size * siny + (arrow_size / 2.0 * cosy) + 0.5);
arrow_pts[2].x = ToPoint.x + (int)(arrow_size * cosy + arrow_size / 2.0 * siny + 0.5);
arrow_pts[2].y = ToPoint.y - (int)(arrow_size / 2.0 * cosy - arrow_size * siny + 0.5);
pDC->Polygon(arrow_pts, 3);
}
}
}
//restore pen
pDC->SelectObject(&DataPen);
}
}
void CPage_Node_LaneTurn::DrawMovements(CPaintDC* pDC,CRect PlotRect)
{
m_MovementBezierVector.clear();
CPen NormalPen(PS_SOLID,2,RGB(0,0,0));
CPen TimePen(PS_DOT,1,RGB(0,0,0));
CPen DataPen(PS_SOLID,0,RGB(0,0,0));
CPen SelectedPen(PS_SOLID,4,RGB(255,0,0));
CPen SelectedPhasePen(PS_SOLID,4,RGB(0,0,255));
CBrush WhiteBrush(RGB(255,255,255));
pDC->SetBkMode(TRANSPARENT);
pDC->SelectObject(&DataPen);
pDC->SelectObject(&WhiteBrush);
pDC->Rectangle (PlotRect);
CBrush BrushLinkBand(RGB(152,245,255));
pDC->SelectObject(&BrushLinkBand);
DTANode* pNode = m_pDoc->m_NodeIDMap [m_CurrentNodeID];
int node_size = 10;
int node_set_back = 50;
int link_length = 150;
int lane_width = 10;
int text_length = link_length+ 20;
CString str;
str.Format("%d",m_CurrentNodeName);
pDC->TextOutA( PlotRect.CenterPoint().x-5, PlotRect.CenterPoint().y-5,str);
for (unsigned int i=0;i< pNode->m_MovementVector .size();i++)
{
DTANodeMovement movement = pNode->m_MovementVector[i];
DTALink* pInLink = m_pDoc->m_LinkNoMap [movement.IncomingLinkID];
DTALink* pOutLink = m_pDoc->m_LinkNoMap [movement.OutgoingLinkID ];
GDPoint p1, p2, p3;
// 1: fetch all data
p1 = m_pDoc->m_NodeIDMap[movement.in_link_from_node_id ]->pt;
p2 = m_pDoc->m_NodeIDMap[movement.in_link_to_node_id ]->pt;
p3 = m_pDoc->m_NodeIDMap[movement.out_link_to_node_id]->pt;
double DeltaX = p2.x - p1.x ;
double DeltaY = p2.y - p1.y ;
double theta = atan2(DeltaY, DeltaX);
GDPoint p1_new, p2_new, p3_new;
GDPoint p1_text, p3_text;
GDPoint pt_movement[3];
// 2. set new origin
p2_new.x = (-1)*node_set_back*cos(theta);
p2_new.y = (-1)*node_set_back*sin(theta);
int link_mid_offset = (pInLink->m_NumberOfLanes/2 +1)*lane_width; // mid
pt_movement[0].x = p2_new.x + link_mid_offset* cos(theta-PI/2.0f);
pt_movement[0].y = p2_new.y + link_mid_offset* sin(theta-PI/2.0f);
// 3 determine the control point for PolyBezier
float control_point_ratio = 0;
if(movement.movement_turn == DTA_Through )
{
control_point_ratio = 0;
}else if(movement.movement_turn == DTA_LeftTurn )
{
control_point_ratio = 1.2;
}else
{
control_point_ratio = 0.5;
}
pt_movement[1].x = pt_movement[0].x + node_set_back*control_point_ratio*cos(theta);
pt_movement[1].y = pt_movement[0].y + node_set_back*control_point_ratio*sin(theta);
p1_new.x = (-1)*link_length*cos(theta);
p1_new.y = (-1)*link_length*sin(theta);
p1_text.x= (-1)*(text_length)*cos(theta);
p1_text.y= (-1)*(text_length)*sin(theta);
// 4: draw from node name
str.Format("%d",m_pDoc->m_NodeIDtoNameMap [movement.in_link_from_node_id]);
if(p1_text.y < -50)
p1_text.y +=10;
CPoint pt_text = NPtoSP(p1_text);
pDC->TextOutA(pt_text.x-10,pt_text.y,str);
DrawLink(pDC,p1_new,p2_new,pInLink->m_NumberOfLanes,theta,lane_width);
////////////////////////////////////////////
//5: outgoing link
DeltaX = p3.x - p2.x ;
DeltaY = p3.y - p2.y ;
theta = atan2(DeltaY, DeltaX);
// set new origin
p2_new.x = node_set_back*cos(theta);
p2_new.y = node_set_back*sin(theta);
link_mid_offset = (pOutLink->m_NumberOfLanes/2+1)*lane_width;
pt_movement[2].x = p2_new.x + link_mid_offset* cos(theta-PI/2.0f);
pt_movement[2].y = p2_new.y + link_mid_offset* sin(theta-PI/2.0f);
p3_new.x = link_length*cos(theta);
p3_new.y = link_length*sin(theta);
p3_text.x= text_length*cos(theta);
p3_text.y= text_length*sin(theta);
//draw to node name
str.Format("%d",m_pDoc->m_NodeIDtoNameMap [movement.out_link_to_node_id]);
if(p3_text.y < -100)
p3_text.y +=10;
pt_text = NPtoSP(p3_text);
pDC->TextOutA(pt_text.x-10 ,pt_text.y,str);
DrawLink(pDC,p2_new,p3_new,pOutLink->m_NumberOfLanes,theta,lane_width);
// draw movement
CPoint Point_Movement[4];
if(i == m_SelectedMovementIndex)
pDC->SelectObject(&SelectedPen);
else
pDC->SelectObject(&NormalPen);
Point_Movement[0]= NPtoSP(pt_movement[0]);
Point_Movement[1]= NPtoSP(pt_movement[1]);
Point_Movement[2]= NPtoSP(pt_movement[1]);
Point_Movement[3]= NPtoSP(pt_movement[2]);
Point_Movement[0]= NPtoSP(pt_movement[0]);
Point_Movement[1]= NPtoSP(pt_movement[1]);
Point_Movement[2]= NPtoSP(pt_movement[1]);
Point_Movement[3]= NPtoSP(pt_movement[2]);
MovementBezier element(Point_Movement[0], Point_Movement[1],Point_Movement[3]);
m_MovementBezierVector.push_back (element);
pDC->PolyBezier(Point_Movement,4);
//restore pen
pDC->SelectObject(&DataPen);
}
}
void CPage_Node_Lane::DrawOneLane(CPaintDC *pDC, LinkRecord *pRecord, int nLaneNum,int nArrowType,bool bOriginAngle/*=true*/)
{
GDPoint p1,p2,prl;
int nR1 = m_Para.nR3;
int nR2 = m_Para.nR4;
int nDis= m_Para.nLaneWidth;
int nRL = m_Para.nRL;
double theta = bOriginAngle ? pRecord->dTheta : pRecord->dNormTheta;
int i = pRecord->nChnlNum + pRecord->nLaneNum + pRecord->nPcktNum +1 - nLaneNum;
if ( pRecord->nIO == 1)
{
nDis = -1 * nDis;
}
p1.x = (nR1+m_Para.nAL4) * cos(theta) + i * nDis * cos(theta-PI/2.0f);
p1.y = (nR1+m_Para.nAL4) * sin(theta) + i * nDis * sin(theta-PI/2.0f);
p2.x = nR2 * cos(theta) + i * nDis * cos(theta-PI/2.0f);
p2.y = nR2 * sin(theta) + i * nDis * sin(theta-PI/2.0f);
prl.x = nRL * cos(theta) + i * nDis * cos(theta-PI/2.0f);
prl.y = nRL * sin(theta) + i * nDis * sin(theta-PI/2.0f);
pDC->MoveTo(NPtoSP(p2));
pDC->LineTo(NPtoSP(p1));
CPoint pLaneNum = NPtoSP(prl);
CString str;
str.Format("%d",nLaneNum);
pDC->TextOutA(pLaneNum.x,pLaneNum.y,str);
// draw arrow
if (nArrowType >= 4)
{// thru arrow
GDPoint pTop,pLeft,pRight;
CPoint arrow[3];
int nALength = m_Para.nALength;
float fAHalf = m_Para.fAWidth;
pTop.x = (nR1-nALength) * cos(theta) + i * nDis * cos(theta-PI/2.0f);
pTop.y = (nR1-nALength) * sin(theta) + i * nDis * sin(theta-PI/2.0f);
pLeft.x = nR1 * cos(theta) + (i-fAHalf) * nDis * cos(theta-PI/2.0f);
pLeft.y = nR1 * sin(theta) + (i-fAHalf) * nDis * sin(theta-PI/2.0f);
pRight.x = nR1 * cos(theta) + (i+fAHalf) * nDis * cos(theta-PI/2.0f);
pRight.y = nR1 * sin(theta) + (i+fAHalf) * nDis * sin(theta-PI/2.0f);
pDC->MoveTo(NPtoSP(p1));
pDC->LineTo(NPtoSP(pTop));
arrow[0] = NPtoSP(pTop);
arrow[1] = NPtoSP(pLeft);
arrow[2] = NPtoSP(pRight);
pDC->Polygon(arrow,3);
nArrowType -= 4;
}
if (nArrowType == 1)
{// left turn arrow
GDPoint pTop,pLeft,pRight,pBrunch;
CPoint arrow[3];
pTop.x = (nR1+m_Para.nAL1) * cos(theta) + (i-m_Para.fAL2) * nDis * cos(theta-PI/2.0f);
pTop.y = (nR1+m_Para.nAL1) * sin(theta) + (i-m_Para.fAL2) * nDis * sin(theta-PI/2.0f);
pRight.x = (nR1+m_Para.nAL2) * cos(theta) + (i-m_Para.fAL1) * nDis * cos(theta-PI/2.0f);
pRight.y = (nR1+m_Para.nAL2) * sin(theta) + (i-m_Para.fAL1) * nDis * sin(theta-PI/2.0f);
pLeft.x = (nR1+m_Para.nAL3) * cos(theta) + (i-m_Para.fAL3) * nDis * cos(theta-PI/2.0f);
pLeft.y = (nR1+m_Para.nAL3) * sin(theta) + (i-m_Para.fAL3) * nDis * sin(theta-PI/2.0f);
//pBrunch.x = (nR1+m_Para.nAL4) * cos(theta) + i * nDis * cos(theta-PI/2.0f);
//pBrunch.y = (nR1+m_Para.nAL4) * sin(theta) + i * nDis * sin(theta-PI/2.0f);
pDC->MoveTo(NPtoSP(p1));
pDC->LineTo(NPtoSP(pTop));
arrow[0] = NPtoSP(pTop);
arrow[1] = NPtoSP(pLeft);
arrow[2] = NPtoSP(pRight);
pDC->Polygon(arrow,3);
}
if (nArrowType == 2)
{// right turn arrow
GDPoint pTop,pLeft,pRight,pBrunch;
CPoint arrow[3];
pTop.x = (nR1+m_Para.nAL1) * cos(theta) + (i+m_Para.fAL2) * nDis * cos(theta-PI/2.0f);
pTop.y = (nR1+m_Para.nAL1) * sin(theta) + (i+m_Para.fAL2) * nDis * sin(theta-PI/2.0f);
pRight.x = (nR1+m_Para.nAL2) * cos(theta) + (i+m_Para.fAL1) * nDis * cos(theta-PI/2.0f);
pRight.y = (nR1+m_Para.nAL2) * sin(theta) + (i+m_Para.fAL1) * nDis * sin(theta-PI/2.0f);
pLeft.x = (nR1+m_Para.nAL3) * cos(theta) + (i+m_Para.fAL3) * nDis * cos(theta-PI/2.0f);
pLeft.y = (nR1+m_Para.nAL3) * sin(theta) + (i+m_Para.fAL3) * nDis * sin(theta-PI/2.0f);
//pBrunch.x = (nR1+m_Para.nAL4) * cos(theta) + i * nDis * cos(theta-PI/2.0f);
//pBrunch.y = (nR1+m_Para.nAL4) * sin(theta) + i * nDis * sin(theta-PI/2.0f);
pDC->MoveTo(NPtoSP(p1));
pDC->LineTo(NPtoSP(pTop));
arrow[0] = NPtoSP(pTop);
arrow[1] = NPtoSP(pLeft);
arrow[2] = NPtoSP(pRight);
pDC->Polygon(arrow,3);
}
}