gistfile1.m

	UIImage* imageSource = [UIImage imageWithSize:CGSizeMake(640, 640)
					    fillColor:[NAAppTheme orange]];
	GPUImagePicture* gpuSource1 = [[GPUImagePicture alloc] initWithImage:imageSource];
	GPUImagePicture* gpuSource2 = [[GPUImagePicture alloc] initWithImage:imageSource];
	GPUImagePerlinNoiseFilter* gpuFilter1 = [[GPUImagePerlinNoiseFilter alloc] init];
	gpuFilter1.scale = 300;
	
	GPUImageAlphaBlendFilter* gpuFilter2 = [[GPUImageAlphaBlendFilter alloc] init];
	gpuFilter2.mix = 0.9;

	[gpuSource1 addTarget:gpuFilter1];
	[gpuFilter1 addTarget:gpuFilter2];
	[gpuSource2 addTarget:gpuFilter2];

	[gpuSource1 processImage];
	[gpuSource2 processImage];

	UIImage* brush = [gpuFilter2 imageFromCurrentlyProcessedOutput];

	// [UIColor colorWithRed:0.73 green:0.87 blue:0.77 alpha:1.0]
	UIImage* bg = [self createNavigationBarImage:[UIColor colorWithPatternImage:brush]];


	UIColor* glossColor1 = [UIColor colorWithWhite:0.0 alpha:0.1];
	UIColor* glossColor2 = [UIColor colorWithWhite:0.0 alpha:0.35];
	CGRect topHalf = CGRectMake(rect.origin.x,
								rect.origin.y+rect.size.height - 2,
								rect.size.width,
								2);
	
	[NAAppTheme drawLinearGradient:c
							  rect:topHalf
						startColor:glossColor1
						  endColor:glossColor2];