wxImage wxGISRasterRGBRenderer::Scale(unsigned char* pData, int nOrigX, int nOrigY, double rOrigX, double rOrigY, int nDestX, int nDestY, double rDeltaX, double rDeltaY, wxGISEnumDrawQuality Quality, ITrackCancel* pTrackCancel)
{
// //simple way
// wxImage ResultImage(nOrigX, nOrigY, pData);
//ResultImage = ResultImage.Scale(nDestX, nDestY, nQuality);
// return ResultImage;
wxImage ResultImage(nDestX, nDestY, false);
unsigned char* pDestData = ResultImage.GetData();
//multithreaded
int CPUCount(2); //check cpu count
std::vector<wxRasterDrawThread*> threadarray;
int nPartSize = nDestY / CPUCount;
int nBegY(0), nEndY;
for(int i = 0; i < CPUCount; i++)
{
if(i == CPUCount - 1)
nEndY = nDestY;
else
nEndY = nPartSize * (i + 1);
unsigned char* pDestInputData = pDestData + (nDestX * nBegY * 3);
wxRasterDrawThread *thread = new wxRasterDrawThread(pData, pDestInputData, nOrigX, nOrigY, rOrigX, rOrigY, nDestX, nDestY, rDeltaX, rDeltaY, Quality, pTrackCancel, nBegY, nEndY);
thread->Create();
thread->Run();
threadarray.push_back(thread);
nBegY = nEndY/* + 1*/;
}
for(size_t i = 0; i < threadarray.size(); i++)
{
wgDELETE(threadarray[i], Wait());
}
return ResultImage;
}
bool wxGISNetworkService::Stop(void)
{
for(size_t i = 0; i < m_NetworkPluginArray.size(); i++)
wgDELETE(m_NetworkPluginArray[i], Stop());
for(ConnIT it = m_NetworkConnectionMap.begin(); it != m_NetworkConnectionMap.end(); ++it)
if(it->second)
it->second->Disconnect();
//clear messages
ClearMessageQueue();
//2. Stop out thread
if(m_pMsgOutThread)
m_pMsgOutThread->Delete();
wxLogMessage(_("wxGISNetworkService: Service stopped"));
return true;
}
