зеркало из https://github.com/xamarin/ios-samples.git
Fix the sample to render the various filters that do not take images
This commit is contained in:
Miguel de Icaza
Родитель
db42e890a3
Коммит
903cfccbb9
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@ -23,10 +23,6 @@ namespace coreimage
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#region UIApplicationDelegate Methods
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public override bool FinishedLaunching (UIApplication app, NSDictionary options)
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{
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//var items = GetDialogElements ().ToList();
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//var section = new Section ();
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//section.AddAll (items);
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window = new UIWindow (UIScreen.MainScreen.Bounds)
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{
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RootViewController = new UINavigationController (
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@ -56,30 +52,30 @@ namespace coreimage
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new RootElement ("GaussianGradient", (x) => Demo (GaussianGradient)),
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new RootElement ("HardLightBlendMode", (x) => Demo (HardLightBlendMode)),
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new RootElement ("HighlightShadowAdjust", (x) => Demo (HighlightShadowAdjust)),
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new RootElement("HueAdjust", (x) => Demo (HueAdjust)),
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new RootElement("HueBlendMode", (x) => Demo (HueBlendMode)),
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new RootElement("LightenBlendMode", (x) => Demo (LightenBlendMode)),
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new RootElement("LinearGradient", (x) =>Demo(LinearGradient)),
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new RootElement("LuminosityBlendMode", (x) => Demo (LuminosityBlendMode)),
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new RootElement("MaximumCompositing", (x) => Demo (MaximumCompositing)),
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new RootElement("MultiplyBlendMode", (x) => Demo (MultiplyBlendMode)),
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new RootElement("MultiplyCompositing", (x) => Demo (MultiplyCompositing)),
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new RootElement("OverlayBlendMode", (x) => Demo (OverlayBlendMode)),
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new RootElement("RadialGradient", (x) => Demo (RadialGradient)),
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new RootElement("SaturationBlendMode", (x) => Demo (SaturationBlendMode)),
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new RootElement("ScreenBlendMode", (x) => Demo (ScreenBlendMode)),
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new RootElement("SoftLightBlendMode", (x) => Demo (SoftLightBlendMode)),
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new RootElement("SourceAtopCompositing", (x) => Demo (SourceAtopCompositing)),
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new RootElement("SourceInCompositing", (x) => Demo(SourceInCompositing)),
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new RootElement("SourceOutCompositing", (x) => Demo(SourceOutCompositing)),
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new RootElement("SourceOverCompositing", (x) => Demo (SourceOverCompositing)),
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new RootElement("StraightenFilter", (x) => Demo (StraightenFilter)),
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new RootElement("StripesGenerator", (x) => Demo (StripesGenerator)),
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new RootElement("TemperatureAndTint", (x) => Demo (TemperatureAndTint)),
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new RootElement("ToneCurve", (x) => Demo (ToneCurve)),
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new RootElement("Vibrance", (x) => Demo (Vibrance)),
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new RootElement("Vignette", (x) => Demo (Vignette)),
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new RootElement("WhitePointAdjust", (x) => Demo(WhitePointAdjust))
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new RootElement ("HueAdjust", (x) => Demo (HueAdjust)),
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new RootElement ("HueBlendMode", (x) => Demo (HueBlendMode)),
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new RootElement ("LightenBlendMode", (x) => Demo (LightenBlendMode)),
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new RootElement ("LinearGradient", (x) =>Demo(LinearGradient)),
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new RootElement ("LuminosityBlendMode", (x) => Demo (LuminosityBlendMode)),
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new RootElement ("MaximumCompositing", (x) => Demo (MaximumCompositing)),
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new RootElement ("MultiplyBlendMode", (x) => Demo (MultiplyBlendMode)),
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new RootElement ("MultiplyCompositing", (x) => Demo (MultiplyCompositing)),
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new RootElement ("OverlayBlendMode", (x) => Demo (OverlayBlendMode)),
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new RootElement ("RadialGradient", (x) => Demo (RadialGradient)),
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new RootElement ("SaturationBlendMode", (x) => Demo (SaturationBlendMode)),
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new RootElement ("ScreenBlendMode", (x) => Demo (ScreenBlendMode)),
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new RootElement ("SoftLightBlendMode", (x) => Demo (SoftLightBlendMode)),
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new RootElement ("SourceAtopCompositing", (x) => Demo (SourceAtopCompositing)),
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new RootElement ("SourceInCompositing", (x) => Demo(SourceInCompositing)),
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new RootElement ("SourceOutCompositing", (x) => Demo(SourceOutCompositing)),
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new RootElement ("SourceOverCompositing", (x) => Demo (SourceOverCompositing)),
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new RootElement ("StraightenFilter", (x) => Demo (StraightenFilter)),
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new RootElement ("StripesGenerator", (x) => Demo (StripesGenerator)),
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new RootElement ("TemperatureAndTint", (x) => Demo (TemperatureAndTint)),
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new RootElement ("ToneCurve", (x) => Demo (ToneCurve)),
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new RootElement ("Vibrance", (x) => Demo (Vibrance)),
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new RootElement ("Vignette", (x) => Demo (Vignette)),
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new RootElement ("WhitePointAdjust", (x) => Demo(WhitePointAdjust))
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//section
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}
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}))
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@ -91,35 +87,18 @@ namespace coreimage
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#endregion
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#region Helper Methods
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IEnumerable<Element> GetDialogElements ()
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//
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// Utility function used by pure-output generation filters
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//
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public CIImage Crop (CIFilter input)
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{
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var filterMethods = GetFilterMethods ();
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foreach (var kvp in filterMethods) {
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yield return new RootElement(kvp.Key, (x) => Demo(kvp.Value));
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}
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return new CICrop () {
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Image = input.OutputImage,
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Rectangle = new CIVector (0, 0, window.Bounds.Width, window.Bounds.Height)
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}.OutputImage;
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}
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public delegate CIImage ImageFilter ();
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Dictionary<string, ImageFilter> GetFilterMethods ()
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{
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var type = this.GetType ();
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var filterMethods = type.GetMethods ().Where (m =>
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{
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var attribs = m.GetCustomAttributes (typeof(FilterAttribute), true);
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if (attribs != null && attribs.Length == 1)
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return true;
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return false;
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}).ToList ();
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var fType = typeof(ImageFilter);
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return filterMethods.ToDictionary (k => k.Name, v => (ImageFilter)Delegate.CreateDelegate (fType, this, v));
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}
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public UIViewController Demo (ImageFilter makeDemo)
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{
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@ -424,18 +403,18 @@ namespace coreimage
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public CIImage GaussianGradient ()
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{
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var centerVector = new CIVector (100, 100); // Default is [150 150]
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var color1 = new CIColor (new CGColor (255F, 255F, 255F)); //(new CGColor(0, 255F, 255F));
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var color0 = new CIColor (new CGColor (0, 0, 0));//(new CGColor(255F, 0, 0));
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var color1 = CIColor.FromRgba (1, 0, 1, 1);
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var color0 = CIColor.FromRgba (0, 1, 1, 1);
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var gaussGradient = new CIGaussianGradient ()
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{
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Center = centerVector,
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Color0 = color0,
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Color1 = color1,
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Radius = 500F // Default is 300
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Radius = 280f // Default is 300
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};
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return gaussGradient.OutputImage;
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return Crop (gaussGradient);
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}
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/// <summary>
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@ -447,19 +426,17 @@ namespace coreimage
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[Filter]
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public CIImage LinearGradient()
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{
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var point0 = new CIVector(100, 0); // Default [0 0]
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var point1 = new CIVector(0, 100); // Default [200 200]
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var inputColor0 = new CIColor(new CGColor(0, 0, 255F)); // Blue
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var inputColor1 = new CIColor(new CGColor(255F, 0, 0)); // Red
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var point0 = new CIVector(0, 0); // Default [0 0]
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var point1 = new CIVector(250, 250); // Default [200 200]
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var linearGrad = new CILinearGradient()
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{
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Point0 = point0,
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Point1 = point1,
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Color0 = inputColor0,
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Color1 = inputColor1
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Color0 = new CIColor (UIColor.Red),
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Color1 = new CIColor (UIColor.Blue)
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};
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return linearGrad.OutputImage;
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return Crop (linearGrad);
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}
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/// <summary>
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@ -481,7 +458,7 @@ namespace coreimage
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Color1 = new CIColor(new CGColor(0, 0, 0)) // Black
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};
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return radGradient.OutputImage;
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return Crop (radGradient);
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}
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#endregion
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@ -948,8 +925,8 @@ namespace coreimage
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public CIImage CheckerboardGenerator ()
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{
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// Color 1
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var c0 = new CIColor (new CGColor (0xFF, 0x0, 0x0, 0x0)); // Red
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var c1 = new CIColor (new CGColor (0x00, 0XFF, 0x0, 0x0)); // Green
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var c0 = CIColor.FromRgb (1, 0, 0);
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var c1 = CIColor.FromRgb (0, 1, 0);
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var checker = new CICheckerboardGenerator ()
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{
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Color0 = c0,
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@ -958,7 +935,7 @@ namespace coreimage
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Sharpness = 1F // Default 1
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};
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return checker.OutputImage;
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return Crop (checker);
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}
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/// <summary>
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@ -970,13 +947,12 @@ namespace coreimage
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[Filter]
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public CIImage ConstantColorGenerator ()
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{
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var color = new CIColor (new CGColor (77F, 247F, 250F)); // A nice Teal
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var colorGen = new CIConstantColorGenerator ()
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{
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Color = color
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Color = new CIColor (UIColor.Blue)
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};
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return colorGen.OutputImage;
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return Crop (colorGen);
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}
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/// <summary>
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@ -988,15 +964,15 @@ namespace coreimage
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[Filter]
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public CIImage StripesGenerator()
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{
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var center = new CIVector(100, 100); // Default [150 150]
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var stripeGen = new CIStripesGenerator()
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{
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Center=center,
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Color0 = new CIColor(new CGColor(0,0,255F)), // Blue
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Color1 = new CIColor(new CGColor(255F, 255F, 255F)), // Black
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Center = new CIVector(150, 100), // Default [150 150]
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Color0 = new CIColor (UIColor.Blue),
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Color1 = new CIColor (UIColor.Red),
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Width = 10,
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};
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return stripeGen.OutputImage;
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return Crop (stripeGen);
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}
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#endregion
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