void CPElement::RenderBehavior(Gdiplus::Graphics* pGraphics)
{
for (int i = 0; i < m_behaviors.GetSize(); i++)
{
CComQIPtr<IHTMLPainter> htmlPainter = m_behaviors[i]->m_p;
if (htmlPainter)
{
CRect rcBounds(0, 0, 400, 400); // TODO
CRect rcUpdate(0, 0, 400, 400); // TODO
long lDrawFlags = 0; // HTMLPAINT_DRAW_UPDATEREGION = 0x000001,
// HTMLPAINT_DRAW_USE_XFORM = 0x000002
HDC hDC = pGraphics->GetHDC();
//CPoint oldOrg;
//OffsetViewportOrgEx(hDC, -pC->m_clipBox.left, -pC->m_clipBox.top, &oldOrg);
htmlPainter->Draw(rcBounds, rcUpdate, lDrawFlags, hDC, NULL);
//SetViewportOrgEx(hDC, oldOrg.x, oldOrg.y, NULL);
pGraphics->ReleaseHDC(hDC);
}
}
}
BOOL CDrawing::DrawRasterBlock(CDC* pDC, OgdcRasterBlock* pIBlock, OgdcDatasetRaster* pDatasetR, BITMAPINFO* pBitMapInfo)
{
OGDCASSERT(pIBlock != NULL);
if(pIBlock->m_nValidWidth < 2 || pIBlock->m_nValidHeight < 2)
{
return FALSE;
}
pBitMapInfo->bmiHeader.biWidth = pIBlock->m_nWidth;
pBitMapInfo->bmiHeader.biHeight = pIBlock->m_nValidHeight;
OgdcRect2D rcBlockBounds = pIBlock->m_rcBounds;
OgdcPoint2D pnts[2];
pnts[0] = rcBlockBounds.TopLeft();
pnts[1] = rcBlockBounds.BottomRight();
CPoint* pPoints = NULL;
GeoToDevice(pnts, 2, pPoints);
CRect rcBounds(pPoints[0], pPoints[1]);
delete[] pPoints;
pPoints = NULL;
rcBounds.NormalizeRect();
OgdcRasterBlock* pDemBlock = NULL;
BYTE* pByte = NULL;
// DEM或者GRID
if(pDatasetR->GetType() == OgdcDataset::Grid
&& pDatasetR->GetPixelFormat() != IPF_MONO)
{
pDemBlock = new OgdcRasterBlock;
// 象素信息 ImgBlockInfo
pDemBlock->m_nPixelFormat = IPF_RGB;
pDemBlock->m_nWidth = pIBlock->m_nWidth; // 宽度.
pDemBlock->m_nHeight = pIBlock->m_nHeight; // 高度.
pDemBlock->m_nWidthBytes = ((3*pIBlock->m_nWidth+3)/4)*4;
pDemBlock->m_nValidWidth = pIBlock->m_nValidWidth; // 有效宽度
pDemBlock->m_nValidHeight = pIBlock->m_nValidHeight; // 有效高度
pDemBlock->m_rcBounds = pIBlock->m_rcBounds; // 地理坐标参照.
pDemBlock->m_bInited = pIBlock->m_bInited; // 是否正在初始化,如是,将不装入数据.
OgdcInt nSize = pDemBlock->m_nWidthBytes * pDemBlock->m_nHeight;
pDemBlock->SetByteSize(nSize);
COLORREF clrPixel = 0;
OgdcDouble dZ = 0.0;
OgdcInt nValue = 0;
OgdcInt i = 0;
OgdcInt y = 0;
OgdcDouble dNoValue = OGDCROUND(pDatasetR->m_info.m_dNoValue);
OgdcColorTable *pColorTable = &pDatasetR->m_colorTable;
for(y = 0; y < pDemBlock->m_nValidHeight; y++)
{
OgdcInt x = 0;
for(x = 0; x < pDemBlock->m_nValidWidth; x++)
{
dZ = pIBlock->GetValue(x,y);
if(OGDCIS0(dZ - dNoValue))
{
clrPixel = RGB(255,255,255);
}
else
{
clrPixel = pColorTable->GetColor(dZ);
}
pDemBlock->SetPixel(x,y,clrPixel);
}
}
pBitMapInfo->bmiHeader.biBitCount = IPF_RGB;
pByte = (BYTE*)pDemBlock->GetBlockData();
}
else // 普通的Image
{
pByte = (BYTE*)pIBlock->GetBlockData();
}
int nOldBltMode = pDC->SetStretchBltMode(COLORONCOLOR);
BOOL bResult = StretchDIBits(pDC->m_hDC, rcBounds.left, rcBounds.bottom, rcBounds.Width(), -rcBounds.Height(),
0, 0, pIBlock->m_nValidWidth, pIBlock->m_nValidHeight, pByte, pBitMapInfo, DIB_RGB_COLORS, SRCCOPY);
pDC->SetStretchBltMode(nOldBltMode);
if(pDemBlock != NULL)
{
delete pDemBlock;
pDemBlock = NULL;
}
pByte = NULL;
return bResult;
}
