//! 显示数据集。
BOOL CDrawing::DrawVector(CDC* pDC, OgdcDatasetVector* pDatasetV)
{
OGDCASSERT(!OGDCIS0(m_dCoordRatio) && !m_rcClient.IsRectEmpty());
OgdcQueryDef queryDef;
queryDef.m_nType = OgdcQueryDef::Bounds;
queryDef.m_nOptions = OgdcQueryDef::Geometry;
queryDef.m_nCursorType = OgdcQueryDef::OpenStatic;
queryDef.m_nCursorLocation = OgdcQueryDef::UseClient;
queryDef.m_rc2Bounds = m_rcViewBounds;
OgdcRect2D rcDtBounds = pDatasetV->GetBounds();
double dSearchArea = m_rcViewBounds.Width() * m_rcViewBounds.Height();
double dDatasetArea = rcDtBounds.Width() * rcDtBounds.Height();
if(dSearchArea >= dDatasetArea*0.6)
{
queryDef.m_rc2Bounds = rcDtBounds;
}
OgdcRecordset* pRecordset = pDatasetV->Query(queryDef);
if(pRecordset != NULL)
{
OgdcElement* pElement = NULL;
pRecordset->Move(OgdcRecordset::Begin, 0);
while(!pRecordset->IsEOF())
{
if(pRecordset->GetElement(pElement) && pElement != NULL)
{
DrawElement(pDC, pElement);
}
else//断网情况下避免长时间等待 http://192.168.115.2:8090/browse/UGC-4322
{
break;
}
pRecordset->Move();
if(pElement != NULL)
{
delete pElement;
pElement = NULL;
}
}
pDatasetV->ReleaseRecordset(pRecordset);
pRecordset = NULL;
}
return TRUE;
}
LONG CViewerWnd::HitTest(const OgdcPoint2D& pntHitTest, OgdcDatasetVector* pDatasetV)
{
if(!pDatasetV->IsOpen())
{
pDatasetV->Open();
}
double dTolerance = 3.0*m_drawing.m_dCoordRatio;
OgdcQueryDef queryDef;
queryDef.m_nType = OgdcQueryDef::Bounds;
queryDef.m_nOptions = OgdcQueryDef::Geometry;
queryDef.m_nCursorType = OgdcQueryDef::OpenStatic;
queryDef.m_nCursorLocation = OgdcQueryDef::UseClient;
queryDef.m_rc2Bounds = OgdcRect2D(pntHitTest.x-dTolerance,
pntHitTest.y+dTolerance,
pntHitTest.x+dTolerance,
pntHitTest.y-dTolerance);
LONG nSelectID = -1;
OgdcRecordset* pRecordset = pDatasetV->Query(queryDef);
if(pRecordset != NULL)
{
pRecordset->Move(OgdcRecordset::End, 0);
if (pDatasetV->GetType() == OgdcDataset::PointEPS ||
pDatasetV->GetType() == OgdcDataset::LineEPS ||
pDatasetV->GetType() == OgdcDataset::RegionEPS ||
pDatasetV->GetType() == OgdcDataset::TextEPS)
{
UGC::UGGeometry* pGeometry = NULL;
while(!pRecordset->IsBOF())
{
if(pRecordset->GetElement(pGeometry) && pGeometry != NULL)
{
if (pGeometry->HitTest(pntHitTest, dTolerance))
{
nSelectID = pGeometry->GetID();
}
if(nSelectID >= 0)
{
delete pGeometry;
pGeometry = NULL;
break;
}
}
pRecordset->Move(OgdcRecordset::Current, -1);
if(pGeometry != NULL)
{
delete pGeometry;
pGeometry = NULL;
}
}
}
else
{
OgdcElement* pElement = NULL;
while(!pRecordset->IsBOF())
{
if(pRecordset->GetElement(pElement) && pElement != NULL)
{
if(pElement->GetType() == OgdcElement::ElemLine)
{
if(HitTest(pntHitTest, (OgdcElemLine*)pElement, dTolerance))
{
nSelectID = pElement->m_nID;
}
}
else if(pElement->GetType() == OgdcElement::ElemRegion)
{
if(HitTest(pntHitTest, (OgdcElemRegion*)pElement, dTolerance))
{
nSelectID = pElement->m_nID;
}
}
else if (pElement->GetType() == OgdcElement::ElemLine3D)
{
if(HitTest(pntHitTest, (OgdcElemLine3D*)pElement, dTolerance))
{
nSelectID = pElement->m_nID;
}
}
else if (pElement->GetType() == OgdcElement::ElemRegion3D)
{
if(HitTest(pntHitTest, (OgdcElemRegion3D*)pElement, dTolerance))
{
nSelectID = pElement->m_nID;
}
}
else
{
nSelectID = pElement->m_nID;
}
if(nSelectID >= 0)
{
delete pElement;
pElement = NULL;
break;
}
}
pRecordset->Move(OgdcRecordset::Current, -1);
if(pElement != NULL)
{
delete pElement;
pElement = NULL;
}
}
}
pDatasetV->ReleaseRecordset(pRecordset);
pRecordset = NULL;
}
return nSelectID;
}
//! 显示数据
void CViewerWnd::OnDraw(CDC* pDC, const CRect& rcClient)
{
if((rcClient.Width()<1) || (rcClient.Height()<1))
{
return;
}
if(OGDCIS0(m_drawing.m_dCoordRatio))
{
return;
}
if(m_drawing.m_rcClient != rcClient)
{
m_drawing.ChangeClient(rcClient);
m_bRefresh = TRUE;
}
OgdcRect2D rcBounds = ComputeBounds();
if(m_drawing.m_rcBounds != rcBounds)
{
m_drawing.m_rcBounds = rcBounds;
m_bRefresh = TRUE;
}
BOOL bDeviceChange = FALSE;
LONG ncxFullScreen = GetSystemMetrics( SM_CXFULLSCREEN );
LONG ncyFullScreen = GetSystemMetrics( SM_CYFULLSCREEN );
if(m_bitmap.m_hObject != NULL)
{
BITMAP BM;
m_bitmap.GetBitmap(&BM);
if(BM.bmWidth != ncxFullScreen || BM.bmHeight != ncyFullScreen ||
pDC->GetDeviceCaps(BITSPIXEL) != BM.bmBitsPixel)
{
bDeviceChange = TRUE;
m_bRefresh = TRUE;
}
}
if(pDC->IsPrinting() || m_bRefresh)
{
if(!pDC->IsPrinting() && bDeviceChange && m_pOldBitmap != NULL)
{
m_memDC.SelectObject(m_pOldBitmap);
m_pOldBitmap = NULL;
m_bitmap.DeleteObject();
m_memDC.DeleteDC();
}
if(!pDC->IsPrinting() && m_bitmap.m_hObject == NULL)
{
m_memDC.CreateCompatibleDC(pDC);
if(!m_bitmap.CreateCompatibleBitmap(pDC, ncxFullScreen, ncyFullScreen))
{
m_bRefresh = FALSE;
return;
}
m_pOldBitmap = m_memDC.SelectObject(&m_bitmap);
}
CDC* pDeviceDC = pDC;
if(!pDC->IsPrinting())
{
pDeviceDC = &m_memDC;
}
//! 画背景矩形
CBrush brush(RGB(255,255,255));
pDeviceDC->FillRect(rcClient, &brush);
//! 画数据
for(int i=0;i<m_datasets.GetSize();i++)
{
OgdcStyle style = m_styles[i];
OgdcDataset* pDT = m_datasets.GetAt(i);
CPen pen(PS_SOLID, style.m_nLineWidth, style.m_clrLine);
CPen* pOldPen = pDeviceDC->SelectObject(&pen);
CBrush brush(style.m_clrFillFore);
CBrush* pOldBrush = NULL;
if(style.m_nFillStyle == 1)
{
pOldBrush = (CBrush*)pDeviceDC->SelectStockObject(NULL_BRUSH);
}
else
{
pOldBrush = pDeviceDC->SelectObject(&brush);
}
m_drawing.m_curStyle = style;
m_drawing.DrawDataset(pDeviceDC, m_datasets[i]);
pDeviceDC->SelectObject(pOldPen);
pDeviceDC->SelectObject(pOldBrush);
}
m_bRefresh = FALSE;
}
if(!pDC->IsPrinting() && m_bitmap.m_hObject != NULL)
{
pDC->BitBlt(rcClient.left, rcClient.top, rcClient.Width(), rcClient.Height(),
&m_memDC, rcClient.left, rcClient.top, SRCCOPY );
}
//! 画选择
if(m_nSelectID >= 0 && m_pSelectDataset != NULL && !pDC->IsPrinting())
{
OgdcDatasetVector* pDatasetV = m_pSelectDataset;
OgdcQueryDef queryDef;
queryDef.m_nType = OgdcQueryDef::IDs;
queryDef.m_nOptions = OgdcQueryDef::Geometry;
queryDef.m_nCursorType = OgdcQueryDef::OpenStatic;
queryDef.m_nCursorLocation = OgdcQueryDef::UseClient;
queryDef.m_IDs.Add(m_nSelectID);
OgdcRecordset* pRecordset = pDatasetV->Query(queryDef);
if(pRecordset != NULL)
{
pRecordset->Move(OgdcRecordset::End, 0);
if (pDatasetV->GetType() == OgdcDataset::PointEPS ||
pDatasetV->GetType() == OgdcDataset::LineEPS ||
pDatasetV->GetType() == OgdcDataset::RegionEPS ||
pDatasetV->GetType() == OgdcDataset::TextEPS)
{
UGC::UGGeometry* pGeometry = NULL;
while(!pRecordset->IsBOF())
{
if(pRecordset->GetElement(pGeometry) && pGeometry != NULL)
{
CPen pen(PS_SOLID, 2, RGB(0,0,255));
CPen* pOldPen = pDC->SelectObject(&pen);
CBrush brush(RGB(255,255,115));
CBrush *pOldBrush = pDC->SelectObject(&brush);
m_drawing.DrawElement(pDC, pGeometry, true);
pDC->SelectObject(pOldPen);
pDC->SelectObject(pOldBrush);
delete pGeometry;
pGeometry = NULL;
break;
}
pRecordset->Move(OgdcRecordset::Current, -1);
if(pGeometry != NULL)
{
delete pGeometry;
pGeometry = NULL;
}
}
}
else
{
OgdcElement* pElement = NULL;
while(!pRecordset->IsBOF())
{
if(pRecordset->GetElement(pElement) && pElement != NULL)
{
CPen pen(PS_SOLID, 2, RGB(0,0,255));
CPen* pOldPen = pDC->SelectObject(&pen);
CBrush brush(RGB(255,255,115));
CBrush *pOldBrush = pDC->SelectObject(&brush);
m_drawing.DrawElement(pDC, pElement, true);
pDC->SelectObject(pOldPen);
pDC->SelectObject(pOldBrush);
delete pElement;
pElement = NULL;
break;
}
pRecordset->Move(OgdcRecordset::Current, -1);
if(pElement != NULL)
{
delete pElement;
pElement = NULL;
}
}
}
pDatasetV->ReleaseRecordset(pRecordset);
pRecordset = NULL;
}
}
}