bool FileFormatInstance::Open( ImageDescriptionArray& images,
const String& filePath, const IsoString& hints )
{
images.Clear();
if ( (*API->FileFormat->OpenImageFileEx)( handle, filePath.c_str(), hints.c_str(), 0/*flags*/ ) == api_false )
return false;
for ( uint32 i = 0, n = (*API->FileFormat->GetImageCount)( handle ); i < n; ++i )
{
IsoString id;
size_type len = 0;
(*API->FileFormat->GetImageId)( handle, 0, &len, i );
if ( len > 0 )
{
id.SetLength( len );
if ( (*API->FileFormat->GetImageId)( handle, id.Begin(), &len, i ) == api_false )
throw APIFunctionError( "GetImageId" );
id.ResizeToNullTerminated();
}
api_image_info info;
api_image_options options;
if ( (*API->FileFormat->GetImageDescription)( handle, &info, &options, i ) == api_false )
throw APIFunctionError( "GetImageDescription" );
ImageDescription d;
d.id = id;
APIImageInfoToPCL( d.info, info );
APIImageOptionsToPCL( d.options, options );
images.Add( d );
}
return true;
}
//static
bool GradientsBase::loadFile(const String& rsFilePath_p, std::size_t index_p, imageType_t &rImage_p)
{
// open read only
FileFormat format( pcl::File::ExtractExtension( rsFilePath_p ), true, false );
FileFormatInstance file(format);
ImageDescriptionArray images;
if ( !file.Open( images, rsFilePath_p)) //, inputHints ) )
throw CatchedException();
if(images.Length()<=index_p) {
//image with this index does not exist
return false;
}
TimeMessage startLoad("Loading image "+rsFilePath_p+" "+String(index_p));
file.SelectImage(index_p);
if (!file.ReadImage(rImage_p))
throw CatchedException();
return true;
}
ImageDescriptionArray JPEGInstance::Open( const String& filePath, const IsoString& /*hints*/ )
{
Close();
try
{
Exception::EnableConsoleOutput();
reader = new JPEGReader;
reader->Open( filePath );
ImageDescriptionArray a;
a.Add( ImageDescription( reader->Info(), reader->Options() ) );
return a;
}
catch ( ... )
{
if ( reader != 0 )
delete reader, reader = 0;
throw;
}
}