void RfpTestRasterConversion::_setUp()
{
m_connection = CreateConnection();
CPPUNIT_ASSERT(m_connection != NULL);
FdoPtr<FdoIoStream> stream = FdoIoFileStream::Create(L"../../TestData/RGB/RGB.xml", L"r");
m_connection->SetConfiguration(stream);
m_connection->Open();
// execute the query
FdoICommand * cmd = m_connection->CreateCommand(FdoCommandType_Select);
FdoPtr<FdoISelect> cmdSelect = static_cast<FdoISelect*>(cmd);
cmdSelect->SetFeatureClassName(L"Photo");
FdoPtr<FdoIFeatureReader> reader = cmdSelect->Execute();
reader->ReadNext();
// get the raster
m_raster = reader->GetRaster(L"Image");
reader->Close();
}
void RfpTestEcw::testRGB()
{
FdoPtr<FdoIConnection> connection = CreateConnection();
FdoPtr<FdoIoStream> stream = FdoIoFileStream::Create(L"../../TestData/Ecw/Adelaide_sample.xml", L"r");
connection->SetConfiguration(stream);
connection->Open();
FdoICommand* cmd = connection->CreateCommand(FdoCommandType_Select);
FdoPtr<FdoISelect> cmdSelect = dynamic_cast<FdoISelect*>(cmd);
cmdSelect->SetFeatureClassName(L"Photo");
FdoPtr<FdoIFeatureReader> featureReader = cmdSelect->Execute();
CPPUNIT_ASSERT(featureReader->ReadNext());
FdoPtr<FdoIRaster> raster = featureReader->GetRaster(L"Image");
FdoInt32 xSize = raster->GetImageXSize();
FdoInt32 ySize = raster->GetImageYSize();
CPPUNIT_ASSERT(xSize == 2814);
CPPUNIT_ASSERT(ySize == 2187);
FdoPtr<FdoRasterDataModel> dataModel = raster->GetDataModel();
CPPUNIT_ASSERT(dataModel->GetBitsPerPixel() == 32);
CPPUNIT_ASSERT(dataModel->GetDataModelType() == FdoRasterDataModelType_RGBA);
CPPUNIT_ASSERT(dataModel->GetTileSizeX() == raster->GetImageXSize());
CPPUNIT_ASSERT(dataModel->GetTileSizeY() == raster->GetImageYSize());
const FdoInt32 tileSizeX = 1024, tileSizeY = 1024;
dataModel->SetTileSizeX(tileSizeX);
dataModel->SetTileSizeY(tileSizeY);
raster->SetDataModel(dataModel);
FdoPtr<FdoIStreamReaderTmpl<FdoByte> > reader = dynamic_cast<FdoIStreamReaderTmpl<FdoByte>*>(raster->GetStreamReader());
int numTileRows = (2187 - 1) / tileSizeX + 1;
int numTileCols = (2814 - 1) / tileSizeY + 1;
const int bytesTile = tileSizeX * tileSizeY * 4;
FdoByte* buffer = new FdoByte[bytesTile];
for (int i = 0; i < numTileRows; i++)
{
// read the first tile of the tile row
FdoInt32 numRead = reader->ReadNext(buffer, 0, bytesTile);
CPPUNIT_ASSERT(numRead == bytesTile);
// skip the rest tiles
reader->Skip(bytesTile * (numTileCols - 1));
}
// no data
CPPUNIT_ASSERT(reader->ReadNext(buffer, 0, 1) == 0);
delete buffer;
// scale down to 1/4 of original size and read it row by row
raster->SetImageXSize(703);
raster->SetImageYSize(546);
dataModel->SetTileSizeX(raster->GetImageXSize());
dataModel->SetTileSizeY(raster->GetImageYSize());
raster->SetDataModel(dataModel);
reader = dynamic_cast<FdoIStreamReaderTmpl<FdoByte>*>(raster->GetStreamReader());
// iterate all rows
FdoByte buff[2816]; //2816=703*4+4
for (int row = 0; row < 546; row++)
{
FdoInt32 numRead = reader->ReadNext(buff, 0, 2816);
CPPUNIT_ASSERT(numRead == 2816);
}
CPPUNIT_ASSERT(reader->ReadNext(buff, 0, 1) == 0);
connection->Close();
}