附参考代码:
void ExportSuperSymbol::AddSuperMapPolygon(Vertex2dVector ;PtList,COLORREF crPen,COLORREF crBrush)
{
m_iPolygonNumbers = m_iPolygonNumbers + 1;
m_geoAtomPolygon =(geoatom::CGeoAtomPolygon**)realloc(m_geoAtomPolygon,m_iPolygonNumbers*sizeof(geoatom::CGeoAtomPolygon*));
m_geoAtomPolygon[m_iPolygonNumbers-1] = new geoatom::CGeoAtomPolygon(); //原子分配内存，由于数组从0开始记数，标记总是比个数少1
for (int m=0;m {
m_geoAtomPolygon[m_iPolygonNumbers-1]->GetPtList()->add(m_fXaddition+m_iSize*PtList.get(m).x,m_fYaddition+m_fLength-m_iSize*PtList.get(m).y);
}
m_geoAtomPolygon[m_iPolygonNumbers-1]->SetColor(crPen);
m_geoAtomPolygon[m_iPolygonNumbers-1]->SetFilledColor(crBrush);
m_geoSymPoint[m_iPointSymbolNum-1]->AddAtom(m_geoAtomPolygon[m_iPolygonNumbers-1]); //将封闭区要素添加到这个符号中
}
void ExportSuperSymbol::AddSuperMapRectangle(double dLeftTopX,double dLeftTopY,double dRightBottomX,double dRightBottomY,COLORREF crPen,COLORREF crBrush)
{
///为填充的Rectangle
m_iPolygonNumbers = m_iPolygonNumbers + 1; //矩形属于Polygon一种
m_geoAtomPolygon =(geoatom::CGeoAtomPolygon**)realloc(m_geoAtomPolygon,m_iPolygonNumbers*sizeof(geoatom::CGeoAtomPolygon*));
m_geoAtomPolygon[m_iPolygonNumbers-1] = new geoatom::CGeoAtomPolygon(); //原子分配内存，由于数组从0开始记数，标记总是比个数少1
//矩形的四个顶点
m_geoAtomPolygon[m_iPolygonNumbers-1]->GetPtList()->add(m_fXaddition+m_iSize*dLeftTopX,m_fYaddition+m_fLength-m_iSize*dLeftTopY);
m_geoAtomPolygon[m_iPolygonNumbers-1]->GetPtList()->add(m_fXaddition+m_iSize*dRightBottomX,m_fYaddition+m_fLength-m_iSize*dLeftTopY);
m_geoAtomPolygon[m_iPolygonNumbers-1]->GetPtList()->add(m_fXaddition+m_iSize*dRightBottomX,m_fYaddition+m_fLength-m_iSize*dRightBottomY);
m_geoAtomPolygon[m_iPolygonNumbers-1]->GetPtList()->add(m_fXaddition+m_iSize*dLeftTopX,m_fYaddition+m_fLength-m_iSize*dRightBottomY);
m_geoAtomPolygon[m_iPolygonNumbers-1]->SetColor(crPen);
m_geoAtomPolygon[m_iPolygonNumbers-1]->SetFilledColor(crBrush);
m_geoSymPoint[m_iPointSymbolNum-1]->AddAtom(m_geoAtomPolygon[m_iPolygonNumbers-1]); //将封闭区要素添加到这个符号中
}
void ExportSuperSymbol::AddSuperMapEllipse(double dFirstX,double dFirstY,double dSecondX,double dSecondY,double dMajorRadio,double dMinorRadio,COLORREF crPen,COLORREF crBrush)
{
m_iEllipseNumbers = m_iEllipseNumbers + 1;
m_geoAtomEllipse = (geoatom::CGeoAtomEllipse**)realloc(m_geoAtomEllipse,m_iEllipseNumbers*sizeof(geoatom::CGeoAtomEllipse));
m_geoAtomEllipse[m_iEllipseNumbers-1] = new geoatom::CGeoAtomEllipse();
double dCenterX=0; //圆心的位置
double dCenterY=0;
if(dFirstX {
dCenterX = dFirstX+abs(dSecondX - dFirstX)/2; //圆心的位置
dCenterY = dFirstY+abs(dSecondY - dFirstY)/2;
}
else if(dFirstXdSecondY)
{
dCenterX = dFirstX+abs(dSecondX - dFirstX)/2; //圆心的位置
dCenterY = dSecondY+abs(dSecondY - dFirstY)/2;
}
else if(dFirstX>dSecondX;;dFirstY {
dCenterX = dSecondX+abs(dSecondX - dFirstX)/2; //圆心的位置
dCenterY = dFirstY+abs(dSecondY - dFirstY)/2;
}
else
{
dCenterX = dSecondX+abs(dSecondX - dFirstX)/2; //圆心的位置
dCenterY = dSecondY+abs(dSecondY - dFirstY)/2;
}
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetCenterPoint(m_fXaddition+m_iSize*dCenterX,m_fYaddition+m_fLength-m_iSize*dCenterY);
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetMajorAxis(dMajorRadio*m_iSize);
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetMinorAxis(dMinorRadio*m_iSize);
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetStartAngleRad(0.0);
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetEndAngleRad(6.2832); //360角度与弧度的换算
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetColor(crPen);
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetFilled(true); //要求填充
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetFilledColor(crBrush);
m_geoSymPoint[m_iPointSymbolNum-1]->AddAtom(m_geoAtomEllipse[m_iEllipseNumbers-1]);
}
void ExportSuperSymbol::AddSuperMapArc(double dFirstX,double dFirstY,double dSecondX,double dSecondY,double dThirdX,double dThirdY,double dFourthX,double dFourthY,COLORREF crPen)
{
double dCenterX = 0;
double dCenterY = 0;
if(abs(dFirstX-dThirdX)<0.00001;;abs(dFirstY-dThirdY)<0.00001 ;; abs(dSecondX-dFourthX)<0.00001;;abs(dSecondY-dFourthY)<0.00001)
{ //此椭圆特殊化为四分只一
m_iEllipseNumbers = m_iEllipseNumbers + 1;
m_geoAtomEllipse = (geoatom::CGeoAtomEllipse**)realloc(m_geoAtomEllipse,m_iEllipseNumbers*sizeof(geoatom::CGeoAtomEllipse));
m_geoAtomEllipse[m_iEllipseNumbers-1] = new geoatom::CGeoAtomEllipse();
if(dFirstX>dSecondX) //分情况讨论，好比四个象限
{
if(dFirstY>dSecondY)
{
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetStartAngleRad(0); //0角度与弧度的换算,注意圆的旋转方向是逆或顺时针
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetEndAngleRad(1.5708); //90角度与弧度的换算
dCenterX = dSecondX; //取第二个点的X数值
dCenterY = dFirstY; //取较大Y数值
}
else
{
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetStartAngleRad(1.5708); //90角度与弧度的换算,注意圆的旋转方向是逆或顺时针
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetEndAngleRad(3.1416); //180角度与弧度的换算
dCenterX = dFirstX; //取第一个点的X数值
dCenterY = dSecondY; //取较大Y数值
}
}
else
{
if(dFirstY {
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetStartAngleRad(3.1416); //180角度与弧度的换算,注意圆的旋转方向是逆或顺时针
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetEndAngleRad(4.7124); //270角度与弧度的换算
dCenterX = dSecondX;
dCenterY = dFirstY; //取较小Y数值
}
else
{
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetStartAngleRad(4.7124); //270角度与弧度的换算,注意圆的旋转方向是逆或顺时针
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetEndAngleRad(6.2832); //360角度与弧度的换算
dCenterX = dFirstX;
dCenterY = dSecondY; //取较小Y数值
}
}
double dMajorRadio = 0;
double dMinorRadio = 0;
dMajorRadio = abs(dSecondX - dFirstX); //得到半径
dMinorRadio = abs(dSecondY - dFirstY);
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetCenterPoint(m_fXaddition+m_iSize*dCenterX,m_fYaddition+m_fLength-m_iSize*dCenterY);
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetMajorAxis(dMajorRadio*m_iSize);
m_geoAtomEllipse[m_iEllipseNumbers-1]->SetMinorAxis(dMinorRadio*m_iSize);
m_geoSymPoint[m_iPointSymbolNum-1]->AddAtom(m_geoAtomEllipse[m_iEllipseNumbers-1]);
}
else
{ //给出长短轴端点和起终点的情况
m_iEllipseNumbers = m_iEllipseNumbers + 1;
m_geoAtomEllipse = (geoatom::CGeoAtomEllipse**)realloc(m_geoAtomEllipse,m_iEllipseNumbers*sizeof(geoatom::CGeoAtomEllipse));
m_geoAtomEllipse[m_iEllipseNumbers-1] = new geoatom::CGeoAtomEllipse();
double dAngleStart = 0;
double dAngleEnd = 3.1416; //单位为弧度，在函数库中角度均以弧度来表示
if(dFirstX>dSecondX) //比较起始点
{
if(dThirdX {
dCenterX = dFourthX; //得到椭圆的中心
dCenterY = dThirdY;
dAngleStart = atan((dFirstY - dCenterY)/(dFirstX - dCenterX));
dAngleEnd = atan((dSecondY - dCenterY)/(dSecondX - dCenterX));
}
else if(dThirdX>dFourthX;;dThirdY {
dCenterX = dThirdX;
dCenterY = dFourthY;
dAngleStart = atan((dFirstY - dCenterY)/(dFirstX - dCenterX));
dAngleEnd = atan((dSecondY - dCenterY)/(dSecondX - dCenterX));
if(dFirstX>dCenterX;;dFirstY
if(dFirstX == dCenterX) dAngleStart = 1.5708;
if(dFirstX
if(dSecondXdCenterY) dAngleEnd = -dAngleEnd + 3.1416;
if(dSecondX if(dSecondX==dCenterX) dAngleStart = 3.1416;
}
else if(dThirdX>dFourthX;;dThirdY>dFourthY)
{
dCenterX = dFourthX;
dCenterY = dThirdY;
dAngleStart = atan((dFirstY - dCenterY)/(dFirstX - dCenterX));
dAngleEnd = atan((dSecondY - dCenterY)/(dSecondX - dCenterX));
if(dFirstX>=dCenterX;;dFirstY if(dSecondX
}
else
{
dCenterX = dThirdX;
dCenterY = dFourthY;
dAngleStart = atan((dFirstY - dCenterY)/(dFirstX - dCenterX));
dAngleEnd = atan((dSecondY - dCenterY)/(dSecondX - dCenterX));
}
}
else //dFirstX {
if(dThirdXdFourthY)
{
dCenterX = dThirdX;
dCenterY = dFourthY;
dAngleStart = atan((dFirstY - dCenterY)/(dFirstX - dCenterX)); //返回的结果在-1.5708与1.5708之间
dAngleEnd = atan((dSecondY - dCenterY)/(dSecondX - dCenterX));
if(dFirstXdCenterY) dAngleStart = -dAngleStart+3.1416;
if(dSecondX>dCenterX;;dSecondY>dCenterY) dAngleEnd = - dAngleEnd + 6.2832;
}
else if(dThirdX {
dCenterX = dFourthX;
dCenterY = dThirdY;
dAngleStart = atan((dFirstY - dCenterY)/(dFirstX - dCenterX)); //返回的结果在-1.5708与1.5708之间
dAngleEnd = atan((dSecondY - dCenterY)/(dSecondX - dCenterX));
if(dFirstX if(dSecondX>=dCenterX;;dSecondY>dCenterY) dAngleEnd = - dAngleEnd + 6.2832;
}
else if(dThirdX>dFourthX;;dThirdY {
dCenterX = dThirdX;
dCenterY = dFourthY;
dAngleStart = atan((dFirstY - dCenterY)/(dFirstX - dCenterX));
dAngleEnd = atan((dSecondY - dCenterY)/(dSecondX - dCenterX));
if(dFirstX if(dFirstX>dCenterX;;dFirstY if(dSecondX>dCenterX;;dSecondY>dCenterY) dAngleEnd = - dAngleEnd + 6.2832;
}
else
{
dCenterX = dFourthX;
dCenterY = dThirdY;
dAngleStart = atan((dFirstY - dCenterY)/(dFirstX - dCenterX));
dAngleEnd = atan((dSecondY - dCenterY)/(dSecondX - dCenterX));
}
}
