static api_bool api_func ValidateProcessImageExecution( const_image_handle hImage, const_process_handle hp, char16_type* whyNot, uint32 maxLen )
{
try
{
uint32 bitsPerSample;
api_bool isFloat;
if ( !(*API->SharedImage->GetImageFormat)( hImage, &bitsPerSample, &isFloat ) )
throw 0;
ImageVariant image;
void* h = const_cast<image_handle>( hImage );
if ( isFloat )
switch ( bitsPerSample )
{
case 32 :
image = ImageVariant( new pcl::Image( h ) );
break;
case 64 :
image = ImageVariant( new pcl::DImage( h ) );
break;
default :
return api_false; // ?!
}
else
switch ( bitsPerSample )
{
case 8 :
image = ImageVariant( new UInt8Image( h ) );
break;
case 16 :
image = ImageVariant( new UInt16Image( h ) );
break;
case 32 :
image = ImageVariant( new UInt32Image( h ) );
break;
default :
return api_false; // ?!
}
image.SetOwnership( true );
String whyNotStr;
bool ok = constInstance->CanExecuteOn( image, whyNotStr );
if ( !ok && !whyNotStr.IsEmpty() && whyNot != 0 && maxLen > 0 )
whyNotStr.c_copy( whyNot, maxLen );
return api_bool( ok );
}
ERROR_HANDLER
return api_false;
}
ImageVariant View::Image() const
{
image_handle hImg = (*API->View->GetViewImage)( handle );
if ( hImg != 0 )
{
uint32 bitsPerSample;
api_bool isFloat;
if ( !(*API->SharedImage->GetImageFormat)( hImg, &bitsPerSample, &isFloat ) )
throw APIFunctionError( "GetImageFormat" );
/*
* Use a private ImageVariant constructor that forces image ownership by
* ImageVariant. This constructor is selected with the second dummy int
* argument (set to zero below).
*/
if ( isFloat )
switch ( bitsPerSample )
{
case 32 : return ImageVariant( new pcl::Image( hImg ), 0 );
case 64 : return ImageVariant( new pcl::DImage( hImg ), 0 );
}
else
switch ( bitsPerSample )
{
case 8 : return ImageVariant( new pcl::UInt8Image( hImg ), 0 );
case 16 : return ImageVariant( new pcl::UInt16Image( hImg ), 0 );
case 32 : return ImageVariant( new pcl::UInt32Image( hImg ), 0 );
}
}
return ImageVariant();
}
static api_bool api_func ExecuteProcessImage( image_handle hImage, process_handle hp, const char* hints, uint32/*flags*/ )
{
try
{
uint32 bitsPerSample;
api_bool isFloat;
if ( !(*API->SharedImage->GetImageFormat)( hImage, &bitsPerSample, &isFloat ) )
throw 0;
ImageVariant image;
if ( isFloat )
switch ( bitsPerSample )
{
case 32 :
image = ImageVariant( new pcl::Image( hImage ) );
break;
case 64 :
image = ImageVariant( new pcl::DImage( hImage ) );
break;
default :
return api_false; // ?!
}
else
switch ( bitsPerSample )
{
case 8 :
image = ImageVariant( new UInt8Image( hImage ) );
break;
case 16 :
image = ImageVariant( new UInt16Image( hImage ) );
break;
case 32 :
image = ImageVariant( new UInt32Image( hImage ) );
break;
default :
return api_false; // ?!
}
image.SetOwnership( true );
bool wasConsoleOutput = Exception::IsConsoleOutputEnabled();
bool wasGUIOutput = Exception::IsGUIOutputEnabled();
try
{
Exception::EnableConsoleOutput();
Exception::EnableGUIOutput();
api_bool retVal = (api_bool)instance->ExecuteOn( image, hints );
Exception::EnableConsoleOutput( wasConsoleOutput );
Exception::EnableGUIOutput( wasGUIOutput );
return retVal;
}
catch ( ... )
{
Exception::EnableConsoleOutput( wasConsoleOutput );
Exception::EnableGUIOutput( wasGUIOutput );
throw;
}
}
ERROR_HANDLER
return api_false;
}
