void wxGISSimpleCircleSymbol::Draw(const wxGISGeometry &Geometry, int nLevel)
{
if (!Geometry.IsOk() || !m_pDisplay)
return;
OGRwkbGeometryType eGeomType = wkbFlatten(Geometry.GetType());
if (eGeomType != wkbMultiPoint)
return;
OGREnvelope Env;
OGRGeometry *pGeom = Geometry;
OGRMultiPoint* pMPT = (OGRMultiPoint*)pGeom;
OGRPoint* pCenterPt = (OGRPoint*)pMPT->getGeometryRef(0);
OGRPoint* pOriginPt = (OGRPoint*)pMPT->getGeometryRef(1);
double dfRadius = sqrt((pCenterPt->getX() - pOriginPt->getX())*(pCenterPt->getX() - pOriginPt->getX()) + (pCenterPt->getY() - pOriginPt->getY())*(pCenterPt->getY() - pOriginPt->getY()));
Env.MaxX = pCenterPt->getX() + dfRadius;
Env.MinX = pCenterPt->getX() - dfRadius;
Env.MaxY = pCenterPt->getY() + dfRadius;
Env.MinY = pCenterPt->getY() - dfRadius;
if (!m_pDisplay->CanDraw(Env))
return;
wxCriticalSectionLocker lock(m_pDisplay->GetLock());
if (!m_pDisplay->CheckDrawAsPoint(Env, m_pLineSymbol->GetWidth()))
{
if (!m_pDisplay->DrawCircle(pCenterPt->getX(), pCenterPt->getY(), 0, 0, dfRadius))
{
return;
}
if (m_Color.Alpha() > 0)
{
switch (m_eFillRule)
{
case enumGISFillRuleWinding:
m_pDisplay->SetFillRule(CAIRO_FILL_RULE_WINDING);
break;
case enumGISFillRuleOdd:
m_pDisplay->SetFillRule(CAIRO_FILL_RULE_EVEN_ODD);
break;
}
m_pDisplay->SetColor(m_Color);
m_pDisplay->FillPreserve();
}
}
m_pLineSymbol->SetStyleToDisplay();
m_pDisplay->Stroke();
}
void wxGISSimpleMarkerSymbol::Draw(const wxGISGeometry &Geometry, int nLevel)
{
if(!Geometry.IsOk() ||!m_pDisplay)
return;
OGRwkbGeometryType eGeomType = wkbFlatten(Geometry.GetType());
if(eGeomType != wkbPoint && eGeomType != wkbMultiPoint)
return;
OGREnvelope Env = Geometry.GetEnvelope();
if(!m_pDisplay->CanDraw(Env))
return;
OGRGeometry *pGeom = Geometry;
if(eGeomType == wkbMultiPoint)
{
OGRGeometryCollection* pOGRGeometryCollection = (OGRGeometryCollection*)pGeom;
for(int i = 0; i < pOGRGeometryCollection->getNumGeometries(); ++i)
Draw(wxGISGeometry(pOGRGeometryCollection->getGeometryRef(i), false));
return;
}
wxCriticalSectionLocker lock(m_pDisplay->GetLock());
OGRPoint* pPoint = (OGRPoint*)pGeom;
if(m_dfOutlineSize)
{
if(!m_pDisplay->DrawPointFast(pPoint->getX(), pPoint->getY()))
{
return;
}
m_pDisplay->SetColor(m_OutlineColor);
m_pDisplay->SetLineWidth( m_dfSize + m_dfOutlineSize + m_dfOutlineSize);
m_pDisplay->Stroke();
}
if(!m_pDisplay->DrawPointFast(pPoint->getX(), pPoint->getY()))
{
return;
}
m_pDisplay->SetColor(m_Color);
m_pDisplay->SetLineWidth( m_dfSize );
m_pDisplay->SetLineCap(CAIRO_LINE_CAP_ROUND);
m_pDisplay->Stroke();
}
void wxGISSimpleEllipseSymbol::Draw(const wxGISGeometry &Geometry, int nLevel)
{
if (!Geometry.IsOk() || !m_pDisplay)
return;
OGRwkbGeometryType eGeomType = wkbFlatten(Geometry.GetType());
if (eGeomType != wkbPolygon)
return;
OGREnvelope Env = Geometry.GetEnvelope();
if (!m_pDisplay->CanDraw(Env))
return;
wxCriticalSectionLocker lock(m_pDisplay->GetLock());
if (!m_pDisplay->CheckDrawAsPoint(Env, m_pLineSymbol->GetWidth()))
{
if (!m_pDisplay->DrawEllipse(Env.MinX, Env.MinY, 0, 0, Env.MaxX - Env.MinX, Env.MaxY - Env.MinY))
{
return;
}
if (m_Color.Alpha() > 0)
{
switch (m_eFillRule)
{
case enumGISFillRuleWinding:
m_pDisplay->SetFillRule(CAIRO_FILL_RULE_WINDING);
break;
case enumGISFillRuleOdd:
m_pDisplay->SetFillRule(CAIRO_FILL_RULE_EVEN_ODD);
break;
}
m_pDisplay->SetColor(m_Color);
m_pDisplay->FillPreserve();
}
}
m_pLineSymbol->SetStyleToDisplay();
m_pDisplay->Stroke();
}
void wxGISMapView::DrawGeometry(const wxGISGeometry &Geometry, WXGISRGBA stFillColour, WXGISRGBA stLineColour, double dfLineWidth)
{
wxCHECK_RET(Geometry.IsOk(), wxT("Input geometry is not valid"));
OGRwkbGeometryType type = wkbFlatten(Geometry.GetType());
switch(type)
{
case wkbPoint:
case wkbMultiPoint:
m_pGISDisplay->SetColor(enumGISDrawStylePoint, stLineColour);
m_pGISDisplay->SetColor(enumGISDrawStyleOutline, stLineColour);
m_pGISDisplay->SetColor(enumGISDrawStyleFill, stFillColour);
m_pGISDisplay->SetLineCap(CAIRO_LINE_CAP_ROUND);
m_pGISDisplay->SetLineWidth(dfLineWidth);
m_pGISDisplay->SetPointRadius(2.0);
break;
case wkbLineString:
case wkbLinearRing:
case wkbMultiLineString:
m_pGISDisplay->SetColor(enumGISDrawStylePoint, stFillColour);
m_pGISDisplay->SetColor(enumGISDrawStyleOutline, stFillColour);
m_pGISDisplay->SetColor(enumGISDrawStyleFill, stFillColour);
m_pGISDisplay->SetLineCap(CAIRO_LINE_CAP_BUTT);
m_pGISDisplay->SetLineWidth(2.0);
break;
case wkbMultiPolygon:
case wkbPolygon:
m_pGISDisplay->SetColor(enumGISDrawStyleOutline, stLineColour);
m_pGISDisplay->SetColor(enumGISDrawStyleFill, stFillColour);
m_pGISDisplay->SetLineCap(CAIRO_LINE_CAP_BUTT);
m_pGISDisplay->SetLineWidth(dfLineWidth);
break;
case wkbGeometryCollection:
break;
default:
case wkbUnknown:
case wkbNone:
break;
}
m_pGISDisplay->DrawGeometry( Geometry );
}
void wxGISSimpleCollectionSymbol::Draw(const wxGISGeometry &Geometry, int nLevel)
{
if(!Geometry.IsOk() ||!m_pDisplay)
return;
if (!Geometry.IsOk())
return;
switch (wkbFlatten(Geometry.GetType()))
{
case wkbMultiPoint:
case wkbPoint:
m_pMarkerSymbol->Draw(Geometry);
break;
case wkbMultiPolygon:
case wkbPolygon:
m_pFillSymbol->Draw(Geometry);
break;
case wkbMultiLineString:
case wkbLineString:
m_pLineSymbol->Draw(Geometry);
break;
case wkbGeometryCollection:
{
OGRGeometryCollection* pOGRGeometryCollection = (OGRGeometryCollection*)Geometry.operator OGRGeometry *();
for (int i = 0; i < pOGRGeometryCollection->getNumGeometries(); ++i)
{
wxGISGeometry CollectionGeom(pOGRGeometryCollection->getGeometryRef(i), false);
Draw(CollectionGeom, nLevel);
}
}
break;
case wkbLinearRing:
case wkbUnknown:
case wkbNone:
default:
break;
}
}
void wxGISSimpleLineSymbol::Draw(const wxGISGeometry &Geometry, int nLevel)
{
if(!Geometry.IsOk() || !m_pDisplay)
return;
OGRwkbGeometryType eGeomType = wkbFlatten(Geometry.GetType());
if(eGeomType != wkbLineString && eGeomType != wkbLinearRing && eGeomType != wkbMultiLineString)
return;
OGREnvelope Env = Geometry.GetEnvelope();
if(!m_pDisplay->CanDraw(Env))
return;
wxCriticalSectionLocker lock(m_pDisplay->GetLock());
OGRGeometry *pGeom = Geometry;
if (eGeomType == wkbMultiLineString)
{
OGRGeometryCollection* pOGRGeometryCollection = (OGRGeometryCollection*)pGeom;
for(int i = 0; i < pOGRGeometryCollection->getNumGeometries(); ++i)
Draw(wxGISGeometry(pOGRGeometryCollection->getGeometryRef(i), false));
}
else
{
OGRLineString* pLine = (OGRLineString*)pGeom;
int nPointCount = pLine->getNumPoints();
if (!m_pDisplay->CheckDrawAsPoint(Env, m_dfWidth, false, 0, 0, false))
{
if(!DrawPreserved(pLine))
return;
SetStyleToDisplay();
}
else
{
SetLimitStyleToDisplay();
}
m_pDisplay->Stroke();
}
}
void wxGISSimpleFillSymbol::Draw(const wxGISGeometry &Geometry, int nLevel)
{
if(!Geometry.IsOk() || !m_pDisplay)
return;
OGRwkbGeometryType eGeomType = wkbFlatten(Geometry.GetType());
if(eGeomType != wkbPolygon && eGeomType != wkbMultiPolygon)
return;
OGREnvelope Env = Geometry.GetEnvelope();
if(!m_pDisplay->CanDraw(Env))
return;
wxCriticalSectionLocker lock(m_pDisplay->GetLock());
if(!m_pDisplay->CheckDrawAsPoint(Env, m_pLineSymbol->GetWidth()))
{
OGRGeometry *pGeom = Geometry;
if(eGeomType == wkbMultiPolygon)
{
OGRGeometryCollection* pOGRGeometryCollection = (OGRGeometryCollection*)pGeom;
for(int i = 0; i < pOGRGeometryCollection->getNumGeometries(); ++i)
Draw(wxGISGeometry(pOGRGeometryCollection->getGeometryRef(i), false));
return;
}
OGRPolygon* pPolygon = (OGRPolygon*)pGeom;
const OGRLinearRing *pRing = pPolygon->getExteriorRing();
if(!m_pLineSymbol->DrawPreserved((OGRLineString*)pRing, true))
{
return;
}
int nNumInteriorRings = pPolygon->getNumInteriorRings();
for(int nPart = 0; nPart < nNumInteriorRings; ++nPart)
{
pRing = pPolygon->getInteriorRing(nPart);
OGREnvelope IntEnv;
pRing->getEnvelope(&IntEnv);
if(!m_pDisplay->CheckDrawAsPoint(IntEnv, m_pLineSymbol->GetWidth()))
{
m_pLineSymbol->DrawPreserved((OGRLineString*)pRing, true);
}
}
if(m_Color.Alpha() > 0)
{
switch(m_eFillRule)
{
case enumGISFillRuleWinding:
m_pDisplay->SetFillRule( CAIRO_FILL_RULE_WINDING );
break;
case enumGISFillRuleOdd:
m_pDisplay->SetFillRule( CAIRO_FILL_RULE_EVEN_ODD );
break;
}
m_pDisplay->SetColor(m_Color);
m_pDisplay->FillPreserve();
}
m_pLineSymbol->SetStyleToDisplay();
}
else
{
m_pLineSymbol->SetLimitStyleToDisplay();
}
m_pDisplay->Stroke();
}
