display the spinning NSProgressIndicator in a white color?

[iHTCboy]

CIFilter *lighten = [CIFilter filterWithName:@"CIColorControls"];
[lighten setDefaults];
[lighten setValue:@1 forKey:@"inputBrightness"];
[self.indicator setContentFilters:[NSArray arrayWithObjects:lighten, nil]];

http://stackoverflow.com/questions/456445/how-can-i-display-the-spinning-nsprogressindicator-in-a-different-color