private bool ApplyEffect(BitmapSource bitmap, EffectType effectType, out BitmapSource result)
{
if (!Effects.CanApply(bitmap, effectType))
{
MessageBox.Show(string.Format("This effect is not supported for that image. Image format: {0}", bitmap.Format), "Error", MessageBoxButton.OK,
MessageBoxImage.Exclamation);
result = null;
return(false);
}
if (effectType.GetParameter() != null)
{
string errorMessage;
object parameterValue;
if (!ValidateParameter(effectType, EffectParameterComboBox.Text, out errorMessage, out parameterValue))
{
MessageBox.Show(errorMessage, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
result = null;
return(false);
}
result = Effects.EffectByType[effectType](bitmap, parameterValue);
}
else if (effectType == EffectType.Dct)
{
string errorMessage;
DctParameters dctParameters;
if (!ValidateDct(out errorMessage, out dctParameters))
{
MessageBox.Show(errorMessage, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
result = null;
return(false);
}
result = Effects.EffectByType[effectType](bitmap, dctParameters);
return(false);
}
else if (effectType == EffectType.Wavelet)
{
string errorMessage;
WaveletParameters waveletParameters;
if (!ValidateWavelet(out errorMessage, out waveletParameters))
{
MessageBox.Show(errorMessage, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
result = null;
return(false);
}
result = Effects.EffectByType[effectType](bitmap, waveletParameters);
return(true);
}
else
{
result = Effects.EffectByType[effectType](bitmap, null);
}
return(true);
}
