зеркало из https://github.com/xamarin/ios-samples.git
Added Self-Testing code for CoreImage.
This commit is contained in:
Eric Beisecker
Родитель
dce4025f80
Коммит
b5cc769270
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@ -9,6 +9,8 @@ using System.Drawing;
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using System.Linq;
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using System.Reflection;
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using MonoTouch.CoreGraphics;
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using System.IO;
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using System.Threading.Tasks;
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namespace coreimage
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{
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@ -115,7 +117,9 @@ namespace coreimage
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new RootElement ("HighlightShadowAdjust", (x) => Demo (HighlightShadowAdjust)),
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}
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},
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new RootElement ("Vignette", (x) => Demo (Vignette))
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new RootElement ("Vignette", (x) => Demo (Vignette)),
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new RootElement("Rebase Test Images", (x) => RebaseTestImages()),
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new RootElement("Test Filters", (x) => TestView())
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}
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};
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@ -154,6 +158,257 @@ namespace coreimage
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imageView.Image = UIImage.FromImage (result);
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return v;
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}
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public UIViewController TestView()
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{
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// Create a view with a Button to run the tests and a Text View for the Results.
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var vc = new UIViewController();
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var btn = new UIButton(new RectangleF(0, 0, 100, 40));
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btn.SetTitle("Run Tests", UIControlState.Normal);
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btn.BackgroundColor = UIColor.White;
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btn.SetTitleColor(UIColor.Black, UIControlState.Normal);
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var textResults = new UITextView(new RectangleF(0, 50, vc.View.Bounds.Width, 40));
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textResults.Text = "";
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textResults.Hidden = true;
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// Setup Test here
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btn.TouchUpInside += (sender, e) =>
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{
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Console.WriteLine("Running Tests...");
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textResults.Text = "Tests Running";
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btn.Enabled = false;
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textResults.SetNeedsDisplay();
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btn.SetNeedsDisplay();
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try
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{
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var results = RunTests();
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var failed = results.Where(r => !r.Pass).ToList();
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textResults.Text = failed.Count == 0 ? "All Filters Passed" : "These filters failed " + string.Join(Environment.NewLine, failed.Select (r => r.FilterName));
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textResults.Hidden = false;
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}
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finally {
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btn.Enabled = true;
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}
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};
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vc.View.AddSubviews(btn, textResults);
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return vc;
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}
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struct TestResult
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{
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public bool Pass {get; set;}
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public string FilterName {get; set;}
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}
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List<TestResult> RunTests()
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{
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var filters = CreateFilterDictionary();
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var resultList = new List<TestResult>();
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foreach(var filter in filters)
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{
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Console.WriteLine("Testing Filter " + filter.Key);
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// Run the Filter
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var view = filter.Value();
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// Capture the Ouput as an Image
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var image = CaptureView(view.View);
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var cgImage = image.CGImage;
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// Get the Image data for the current Image
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byte[] testRawData = new byte[cgImage.Width * cgImage.Height * 4];
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var testColorSpace = CGColorSpace.CreateDeviceRGB();
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var testCGContext = new CGBitmapContext(testRawData, cgImage.Width, cgImage.Height, 8, cgImage.BytesPerRow, testColorSpace, CGImageAlphaInfo.PremultipliedLast);
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testCGContext.DrawImage(new RectangleF(0, 0, cgImage.Width, cgImage.Height), cgImage);
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// Get the base image
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var baseImage = GetTestImage(filter.Key);
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// Get the image data for the base image.
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byte[] baseRawData = new byte[baseImage.Width * baseImage.Height * 4];
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var baseColorSpace = CGColorSpace.CreateDeviceRGB();
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var baseCGContext = new CGBitmapContext(baseRawData, baseImage.Width, baseImage.Height, 8, baseImage.BytesPerRow, baseColorSpace, CGImageAlphaInfo.PremultipliedLast);
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baseCGContext.DrawImage(new RectangleF(0, 0, baseImage.Width, baseImage.Height), baseImage);
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// Compare each Pixel
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bool wasMismatch = false;
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for(var i = 0; i < baseRawData.Length; i++)
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{
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if(testRawData[i] != baseRawData[i])
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{
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wasMismatch = true;
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resultList.Add(new TestResult() { FilterName = filter.Key, Pass = false});
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break;
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}
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}
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if(!wasMismatch)
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resultList.Add(new TestResult() { FilterName = filter.Key, Pass = true});
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}
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return resultList;
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}
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CGImage GetTestImage(string imageName)
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{
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var image = UIImage.FromFile(ImagePath(imageName));
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return image.CGImage;
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}
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private UIViewController RebaseTestImages()
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{
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var filterList = CreateFilterDictionary();
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UIViewController view = new UIViewController();
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var txtBounds = view.View.Bounds;
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var boundsHeight = txtBounds.Height / 2;
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var boundsWidth = txtBounds.Width / 2;
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txtBounds.Height = boundsHeight;
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//txtBounds.Width = boundsWidth;
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var text = new UITextView(txtBounds){ Text = "Rebasing Images" };
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text.Hidden = true;
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view.View.AddSubview(text);
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var btnBounds = view.View.Bounds;
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btnBounds.Y = boundsHeight;
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//btnBounds.Width = boundsWidth;
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btnBounds.Height = boundsHeight;
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var btn = new UIButton(btnBounds);
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btn.SetTitle("Rebase", UIControlState.Normal);
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btn.TouchUpInside += (sender, e) => {
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Console.WriteLine("Rebasing Images");
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text.Text = "Rebasing Images";
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text.Hidden = false;
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// Foreach ViewController, Display it, take a screen shot and then, save it
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foreach(var filter in filterList)
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{
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Console.WriteLine("Rebasing Filter " + filter.Key);
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view = filter.Value();
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// Display the Filter
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//window.RootViewController = view;
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// Get a screenshot
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var image = CaptureView(view.View);
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// Save the Screenshot.
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NSError err;
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var directory = ImageDirectory();
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var fileName = ImagePath(filter.Key);
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if(!Directory.Exists(directory))
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Directory.CreateDirectory(directory);
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if(File.Exists(fileName))
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File.Delete(fileName);
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image.AsPNG().Save(fileName, NSDataWritingOptions.FileProtectionNone, out err);
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if(err != null)
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Console.WriteLine("Could not write image File. " + Environment.NewLine + err.LocalizedDescription);
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}
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text.Text = "Done";
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};
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view.View.AddSubview(btn);
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return view;
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}
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string ImagePath(string imageName)
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{
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var fileName = Path.Combine (ImageDirectory(), imageName);
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fileName = Path.ChangeExtension(fileName, ".png");
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return fileName;
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}
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string ImageDirectory()
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{
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var directory = Path.Combine(Directory.GetCurrentDirectory(), "TestImages");
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return directory;
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}
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UIImage CaptureView (UIView view)
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{
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RectangleF rect = UIScreen.MainScreen.Bounds;
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UIGraphics.BeginImageContext(rect.Size);
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CGContext context = UIGraphics.GetCurrentContext();
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view.Layer.RenderInContext(context);
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UIImage img = UIGraphics.GetImageFromCurrentImageContext();
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UIGraphics.EndImageContext();
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return img;
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}
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private Dictionary<string, Func<UIViewController>> CreateFilterDictionary()
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{
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var dictionary = new Dictionary<string, Func<UIViewController>>()
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{
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{ "ColorControls", () => Demo (ColorControls) },
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{ "ColorMatrix", () => Demo (ColorMatrix) },
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{ "ExposureAdjust", () => Demo (ExposureAdjust) },
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{ "GammaAdjust", () => Demo (GammaAdjust) },
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{ "HueAdjust", () => Demo (HueAdjust) },
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{ "TemperatureAndTint", () => Demo (TemperatureAndTint) },
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{ "ToneCurve", () => Demo (ToneCurve) },
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{ "Vibrance", () => Demo (Vibrance) },
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{ "WhitePointAdjust", () => Demo(WhitePointAdjust) },
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//{ "ColorCube", () => Demo (ColorCube) },
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{ "ColorInvert", () => Demo (ColorInvert) },
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{ "ColorMonochrome", () => Demo (ColorMonochrome) },
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{ "FalseColor", () => Demo (FalseColor) },
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{ "SepiaTone", () => Demo (SepiaTone) },
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{ "AdditionCompositing", () => Demo (AdditionCompositing)},
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{ "ColorBlendMode", () => Demo (ColorBlendMode)},
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{ "ColorBurnBlendMode", () => Demo (ColorBurnBlendMode)},
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{ "ColorDodgeBlendMode", () => Demo (ColorDodgeBlendMode)},
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{ "DarkenBlendMode", () => Demo (DarkenBlendMode)},
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{ "DifferenceBlendMode", () => Demo (DifferenceBlendMode)},
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{ "ExclusionBlendMode", () => Demo (ExclusionBlendMode)},
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{ "HardLightBlendMode", () => Demo (HardLightBlendMode)},
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{ "HueBlendMode", () => Demo (HueBlendMode)},
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{ "LightenBlendMode", () => Demo (LightenBlendMode)},
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{ "LuminosityBlendMode", () => Demo (LuminosityBlendMode)},
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{ "MaximumCompositing", () => Demo (MaximumCompositing)},
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{ "MinimumCompositing", () => Demo (MinimumCompositing)},
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{ "MultiplyCompositing", () => Demo (MultiplyCompositing)},
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{ "MultiplyBlendMode", () => Demo (MultiplyBlendMode)},
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{ "OverlayBlendMode", () => Demo (OverlayBlendMode)},
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{ "SaturationBlendMode", () => Demo (SaturationBlendMode)},
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{ "ScreenBlendMode", () => Demo (ScreenBlendMode)},
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{ "SoftLightBlendMode", () => Demo (SoftLightBlendMode)},
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{ "SourceAtopCompositing", () => Demo (SourceAtopCompositing)},
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{ "SourceInCompositing", () => Demo(SourceInCompositing)},
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{ "SourceOutCompositing", () => Demo(SourceOutCompositing)},
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{ "SourceOverCompositing", () => Demo (SourceOverCompositing)},
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{ "CheckerboardGenerator", () => Demo (CheckerboardGenerator) },
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{ "ConstantColorGenerator", () => Demo (ConstantColorGenerator) },
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{ "StripesGenerator", () => Demo (StripesGenerator) },
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{ "AffineTransform", () => Demo (AffineTransform) },
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{ "Crop", () => Demo (Crop) },
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{ "StraightenFilter", () => Demo (StraightenFilter) },
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{ "GaussianGradient", () => Demo (GaussianGradient) },
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{ "LinearGradient", () =>Demo(LinearGradient) },
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{ "RadialGradient", () => Demo (RadialGradient) },
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{ "HighlightShadowAdjust", () => Demo (HighlightShadowAdjust) },
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{ "Vignette", () => Demo (Vignette) }
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};
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return dictionary;
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}
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#endregion
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#region Filter Methods
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@ -23,6 +23,8 @@
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<MtouchDebug>true</MtouchDebug>
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<MtouchProfiling>true</MtouchProfiling>
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<MtouchLink>None</MtouchLink>
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<MtouchI18n />
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
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<DebugType>none</DebugType>
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@ -32,6 +34,7 @@
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<WarningLevel>4</WarningLevel>
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<ConsolePause>false</ConsolePause>
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<MtouchLink>None</MtouchLink>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
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<DebugSymbols>true</DebugSymbols>
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@ -45,6 +48,7 @@
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<CodesignKey>iPhone Developer</CodesignKey>
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<MtouchDebug>true</MtouchDebug>
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<MtouchProfiling>true</MtouchProfiling>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
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<DebugType>none</DebugType>
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@ -54,6 +58,7 @@
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<WarningLevel>4</WarningLevel>
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<ConsolePause>false</ConsolePause>
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<CodesignKey>iPhone Developer</CodesignKey>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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@ -81,5 +86,55 @@
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<Content Include="clouds.jpg">
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<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
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</Content>
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<Content Include="TestImages\AdditionCompositing.png" />
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<Content Include="TestImages\AffineTransform.png" />
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<Content Include="TestImages\CheckerboardGenerator.png" />
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<Content Include="TestImages\ColorBlendMode.png" />
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<Content Include="TestImages\ColorBurnBlendMode.png" />
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<Content Include="TestImages\ColorControls.png" />
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<Content Include="TestImages\ColorDodgeBlendMode.png" />
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<Content Include="TestImages\ColorInvert.png" />
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<Content Include="TestImages\ColorMatrix.png" />
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<Content Include="TestImages\ColorMonochrome.png" />
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<Content Include="TestImages\ConstantColorGenerator.png" />
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<Content Include="TestImages\Crop.png" />
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<Content Include="TestImages\DarkenBlendMode.png" />
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<Content Include="TestImages\DifferenceBlendMode.png" />
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<Content Include="TestImages\ExclusionBlendMode.png" />
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<Content Include="TestImages\ExposureAdjust.png" />
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<Content Include="TestImages\FalseColor.png" />
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<Content Include="TestImages\GammaAdjust.png" />
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<Content Include="TestImages\GaussianGradient.png" />
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<Content Include="TestImages\HardLightBlendMode.png" />
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<Content Include="TestImages\HighlightShadowAdjust.png" />
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<Content Include="TestImages\HueAdjust.png" />
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<Content Include="TestImages\HueBlendMode.png" />
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<Content Include="TestImages\LightenBlendMode.png" />
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<Content Include="TestImages\LinearGradient.png" />
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<Content Include="TestImages\LuminosityBlendMode.png" />
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<Content Include="TestImages\MaximumCompositing.png" />
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<Content Include="TestImages\MinimumCompositing.png" />
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<Content Include="TestImages\MultiplyBlendMode.png" />
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<Content Include="TestImages\MultiplyCompositing.png" />
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<Content Include="TestImages\OverlayBlendMode.png" />
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<Content Include="TestImages\RadialGradient.png" />
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<Content Include="TestImages\SaturationBlendMode.png" />
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<Content Include="TestImages\ScreenBlendMode.png" />
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<Content Include="TestImages\SepiaTone.png" />
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<Content Include="TestImages\SoftLightBlendMode.png" />
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<Content Include="TestImages\SourceAtopCompositing.png" />
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<Content Include="TestImages\SourceInCompositing.png" />
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<Content Include="TestImages\SourceOutCompositing.png" />
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<Content Include="TestImages\SourceOverCompositing.png" />
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<Content Include="TestImages\StraightenFilter.png" />
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<Content Include="TestImages\StripesGenerator.png" />
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<Content Include="TestImages\TemperatureAndTint.png" />
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<Content Include="TestImages\ToneCurve.png" />
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<Content Include="TestImages\Vibrance.png" />
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<Content Include="TestImages\Vignette.png" />
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<Content Include="TestImages\WhitePointAdjust.png" />
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</ItemGroup>
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<ItemGroup>
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<Folder Include="TestImages\" />
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</ItemGroup>
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</Project>
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