/// <summary> /// Creates a CompositionEffectFactory that creates InvertEffects. /// </summary> /// <returns>CompositionEffectFactory</returns> private CompositionEffectFactory CreateInvertEffectFactory() { var effectDefinition = new InvertEffect() { Source = new CompositionEffectSourceParameter("Video") }; return _compositor.CreateEffectFactory(effectDefinition); }
private void MainGridLoaded(object sender, RoutedEventArgs e) { m_compositor = ElementCompositionPreview.GetElementVisual(MainGrid).Compositor; m_root = m_compositor.CreateContainerVisual(); ElementCompositionPreview.SetElementChildVisual(MainGrid, m_root); Size imageSize; m_noEffectBrush = CreateBrushFromAsset( "Bruno'sFamily2015 (13)-X2.jpg", out imageSize); m_imageAspectRatio = (imageSize.Width == 0 && imageSize.Height == 0) ? 1 : imageSize.Width / imageSize.Height; m_sprite = m_compositor.CreateSpriteVisual(); ResizeImage(new Size(MainGrid.ActualWidth, MainGrid.ActualHeight)); m_root.Children.InsertAtTop(m_sprite); // Image with alpha channel as an mask. var alphaMaskEffectDesc = new CompositeEffect { Mode = CanvasComposite.DestinationIn, Sources = { new CompositionEffectSourceParameter("Image"), new Transform2DEffect { Name = "MaskTransform", Source = new CompositionEffectSourceParameter("Mask") } } }; m_alphaMaskEffectBrush = m_compositor.CreateEffectFactory( alphaMaskEffectDesc, new[] { "MaskTransform.TransformMatrix" } ).CreateBrush(); m_alphaMaskEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); m_alphaMaskEffectBrush.SetSourceParameter( "Mask", CreateBrushFromAsset("CircleMask.png")); // Arithmetic operations between two images. var arithmeticEffectDesc = new ArithmeticCompositeEffect { Name = "effect", ClampOutput = false, Source1 = new CompositionEffectSourceParameter("Source1"), Source2 = new CompositionEffectSourceParameter("Source2") }; m_arithmeticEffectBrush = m_compositor.CreateEffectFactory( arithmeticEffectDesc, new[] { "effect.MultiplyAmount", "effect.Source1Amount", "effect.Source2Amount", "effect.Offset" } ).CreateBrush(); m_arithmeticEffectBrush.SetSourceParameter( "Source1", m_noEffectBrush); m_arithmeticEffectBrush.SetSourceParameter( "Source2", CreateBrushFromAsset("_P2A8041.jpg")); // Creates a blend effect that combines two images. var foregroundBrush = CreateBrushFromAsset("Checkerboard_100x100.png"); m_blendEffectBrushes = new CompositionEffectBrush[m_supportedBlendModes.Length]; for (int i = 0; i < m_supportedBlendModes.Length; i++) { var blendEffectDesc = new BlendEffect { Mode = m_supportedBlendModes[i], Background = new CompositionEffectSourceParameter("Background"), Foreground = new CompositionEffectSourceParameter("Foreground") }; m_blendEffectBrushes[i] = m_compositor.CreateEffectFactory( blendEffectDesc ).CreateBrush(); m_blendEffectBrushes[i].SetSourceParameter( "Background", m_noEffectBrush); m_blendEffectBrushes[i].SetSourceParameter( "Foreground", foregroundBrush); } // Generates an image containing a solid color. var colorSourceEffectDesc = new ColorSourceEffect // FloodEffect { Name = "effect" }; m_colorSourceEffectBrush = m_compositor.CreateEffectFactory( colorSourceEffectDesc, new[] { "effect.Color" } ).CreateBrush(); // Changes the contrast of an image. var contrastEffectDesc = new ContrastEffect { Name = "effect", Source = new CompositionEffectSourceParameter("Image") }; m_contrastEffectBrush = m_compositor.CreateEffectFactory( contrastEffectDesc, new[] { "effect.Contrast" } ).CreateBrush(); m_contrastEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // Changes the exposure of an image. var exposureEffectDesc = new ExposureEffect { Name = "effect", Source = new CompositionEffectSourceParameter("Image") }; m_exposureEffectBrush = m_compositor.CreateEffectFactory( exposureEffectDesc, new[] { "effect.Exposure" } ).CreateBrush(); m_exposureEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // Alters the colors of an image by applying a per-channel gamma transfer function. var gammaTransferEffectDesc = new GammaTransferEffect { Name = "effect", RedDisable = false, GreenDisable = false, BlueDisable = false, AlphaDisable = false, Source = new CompositionEffectSourceParameter("Image") }; m_gammaTransferEffectBrush = m_compositor.CreateEffectFactory( gammaTransferEffectDesc, new[] { "effect.RedAmplitude", "effect.RedExponent", "effect.RedOffset", "effect.GreenAmplitude", "effect.GreenExponent", "effect.GreenOffset", "effect.BlueAmplitude", "effect.BlueExponent", "effect.BlueOffset" } ).CreateBrush(); m_gammaTransferEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // Converts an image to monochromatic gray. var grayscaleEffectDesc = new GrayscaleEffect { Name = "effect", Source = new CompositionEffectSourceParameter("Image") }; m_grayscaleEffectBrush = m_compositor.CreateEffectFactory( grayscaleEffectDesc ).CreateBrush(); m_grayscaleEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // Alters the color of an image by rotating its hue values. var hueRotationEffectDesc = new HueRotationEffect { Name = "effect", Source = new CompositionEffectSourceParameter("Image") }; m_hueRotationEffectBrush = m_compositor.CreateEffectFactory( hueRotationEffectDesc, new[] { "effect.Angle" } ).CreateBrush(); m_hueRotationEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // Inverts the colors of an image. var invertEffectDesc = new InvertEffect { Name = "effect", Source = new CompositionEffectSourceParameter("Image") }; m_invertEffectBrush = m_compositor.CreateEffectFactory( invertEffectDesc ).CreateBrush(); m_invertEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // Alters the saturation of an image. var saturationEffectDesc = new SaturationEffect { Name = "effect", Source = new CompositionEffectSourceParameter("Image") }; m_saturateEffectBrush = m_compositor.CreateEffectFactory( saturationEffectDesc, new[] { "effect.Saturation" } ).CreateBrush(); m_saturateEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // Converts an image to sepia tones. var supportedAlphaModes = new[] { CanvasAlphaMode.Premultiplied, CanvasAlphaMode.Straight }; m_sepiaEffectBrushes = new CompositionEffectBrush[supportedAlphaModes.Length]; for (int i = 0; i < supportedAlphaModes.Length; i++) { var sepiaEffectDesc = new SepiaEffect { Name = "effect", AlphaMode = supportedAlphaModes[i], Source = new CompositionEffectSourceParameter("Image") }; m_sepiaEffectBrushes[i] = m_compositor.CreateEffectFactory( sepiaEffectDesc, new[] { "effect.Intensity" } ).CreateBrush(); m_sepiaEffectBrushes[i].SetSourceParameter( "Image", m_noEffectBrush); } // Adjusts the temperature and/or tint of an image. var temperatureAndTintEffectDesc = new TemperatureAndTintEffect { Name = "effect", Source = new CompositionEffectSourceParameter("Image") }; m_temperatureAndTintEffectBrush = m_compositor.CreateEffectFactory( temperatureAndTintEffectDesc, new[] { "effect.Temperature", "effect.Tint" } ).CreateBrush(); m_temperatureAndTintEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // Applies a 2D affine transform matrix to an image. var transform2DEffectDesc = new Transform2DEffect { TransformMatrix = new Matrix3x2( -1, 0, 0, 1, m_sprite.Size.X, 0), Source = new CompositionEffectSourceParameter("Image") }; m_transform2DEffectBrush = m_compositor.CreateEffectFactory( transform2DEffectDesc ).CreateBrush(); m_transform2DEffectBrush.SetSourceParameter( "Image", m_noEffectBrush); // For simplying UI states switch, put effect parameter grids in an array m_effectParamsGrids = new Grid[(int)EffectType.NumEffectTypes]; m_effectParamsGrids[(int)EffectType.NoEffect] = null; m_effectParamsGrids[(int)EffectType.AlphaMask] = AlphaMaskParams; m_effectParamsGrids[(int)EffectType.Arithmetic] = ArithmeticParams; m_effectParamsGrids[(int)EffectType.Blend] = BlendParams; m_effectParamsGrids[(int)EffectType.ColorSource] = ColorSourceParams; m_effectParamsGrids[(int)EffectType.Contrast] = ContrastParams; m_effectParamsGrids[(int)EffectType.Exposure] = ExposureParams; m_effectParamsGrids[(int)EffectType.GammaTransfer] = GammaTransferParams; m_effectParamsGrids[(int)EffectType.Grayscale] = null; m_effectParamsGrids[(int)EffectType.HueRotation] = HueRotationParams; m_effectParamsGrids[(int)EffectType.Invert] = null; m_effectParamsGrids[(int)EffectType.Saturation] = SaturationParams; m_effectParamsGrids[(int)EffectType.Sepia] = SepiaParams; m_effectParamsGrids[(int)EffectType.TemperatureAndTint] = TemperatureAndTintParams; m_effectParamsGrids[(int)EffectType.Transform2D] = null; // Same as grids m_effectBrushes = new CompositionBrush[(int)EffectType.NumEffectTypes]; m_effectBrushes[(int)EffectType.NoEffect] = m_noEffectBrush; m_effectBrushes[(int)EffectType.AlphaMask] = m_alphaMaskEffectBrush; m_effectBrushes[(int)EffectType.Arithmetic] = m_arithmeticEffectBrush; m_effectBrushes[(int)EffectType.Blend] = m_blendEffectBrushes[m_activeBlendMode]; m_effectBrushes[(int)EffectType.ColorSource] = m_colorSourceEffectBrush; m_effectBrushes[(int)EffectType.Contrast] = m_contrastEffectBrush; m_effectBrushes[(int)EffectType.Exposure] = m_exposureEffectBrush; m_effectBrushes[(int)EffectType.GammaTransfer] = m_gammaTransferEffectBrush; m_effectBrushes[(int)EffectType.Grayscale] = m_grayscaleEffectBrush; m_effectBrushes[(int)EffectType.HueRotation] = m_hueRotationEffectBrush; m_effectBrushes[(int)EffectType.Invert] = m_invertEffectBrush; m_effectBrushes[(int)EffectType.Saturation] = m_saturateEffectBrush; m_effectBrushes[(int)EffectType.Sepia] = m_sepiaEffectBrushes[m_activeSepiaAlphaMode]; m_effectBrushes[(int)EffectType.TemperatureAndTint] = m_temperatureAndTintEffectBrush; m_effectBrushes[(int)EffectType.Transform2D] = m_transform2DEffectBrush; this.InitializeValues(); }
private async void OnLoaded(object sender, RoutedEventArgs e) { _compositor = ElementCompositionPreview.GetElementVisual(this).Compositor; _generator = CompositionGeneratorFactory.GetCompositionGenerator(_compositor); var distance = 4f; var visualSize = new Vector2(225, 150); var vRefHeight = visualSize.Y + (visualSize.Y * 0.7f) + distance; var hRefWidth = visualSize.X + (visualSize.X * 0.7f) + distance; var vRefLeft = (float)(CompositionGrid1.ActualWidth - visualSize.X) / 2f; var vRefTop = (float)(CompositionGrid1.ActualHeight - vRefHeight) / 2f; var hRefLeft = (float)(CompositionGrid1.ActualWidth - hRefWidth) / 2f; var hRefTop = (float)(CompositionGrid1.ActualHeight - visualSize.Y) / 2f; var surfaceImage = await _generator.CreateImageSurfaceAsync(new Uri("ms-appx:///Assets/Images/Car.jpg"), visualSize.ToSize(), ImageSurfaceOptions.Default); var surfaceBrush = _compositor.CreateSurfaceBrush(surfaceImage.Surface); var visual1 = _compositor.CreateSpriteVisual(); visual1.Size = visualSize; visual1.Offset = new Vector3(vRefLeft, vRefTop, 0); visual1.Brush = surfaceBrush; _generator.CreateReflection(visual1, distance); ElementCompositionPreview.SetElementChildVisual(CompositionGrid1, visual1); var invertEffect = new InvertEffect() { Source = new CompositionEffectSourceParameter("source") }; var invertEffectFactory = _compositor.CreateEffectFactory(invertEffect); var invertBrush = invertEffectFactory.CreateBrush(); invertBrush.SetSourceParameter("source", surfaceBrush); var visual2 = _compositor.CreateSpriteVisual(); visual2.Size = visualSize; visual2.Offset = new Vector3(hRefLeft, hRefTop, 0); visual2.Brush = invertBrush; _generator.CreateReflection(visual2, distance, 0.7f, ReflectionLocation.Right); ElementCompositionPreview.SetElementChildVisual(CompositionGrid2, visual2); var visual3 = _compositor.CreateSpriteVisual(); visual3.Size = visualSize; visual3.Offset = new Vector3(vRefLeft, vRefTop, 0); visual3.Brush = surfaceBrush; var inVisual = _compositor.CreateSpriteVisual(); inVisual.Size = new Vector2(80, 80); inVisual.Offset = new Vector3(20, 10, 0); inVisual.Brush = _compositor.CreateColorBrush(Colors.Yellow); var inVisual2 = _compositor.CreateSpriteVisual(); inVisual2.Size = new Vector2(80, 80); inVisual2.Offset = new Vector3(60, 60, 0); inVisual2.Brush = _compositor.CreateColorBrush(Colors.Blue); visual3.Children.InsertAtTop(inVisual2); visual3.Children.InsertAtTop(inVisual); _generator.CreateReflection(visual3, distance, 0.7f, ReflectionLocation.Bottom); ElementCompositionPreview.SetElementChildVisual(CompositionGrid3, visual3); var visual4 = _compositor.CreateSpriteVisual(); visual4.Size = visualSize; visual4.Offset = new Vector3(hRefLeft, hRefTop, 0); visual4.Brush = surfaceBrush; var inVisual3 = _compositor.CreateSpriteVisual(); inVisual3.Size = new Vector2(80, 80); inVisual3.Offset = new Vector3(20, 10, 0); inVisual3.Brush = _compositor.CreateColorBrush(Colors.Yellow); var inVisual4 = _compositor.CreateSpriteVisual(); inVisual4.Size = new Vector2(80, 80); inVisual4.Offset = new Vector3(60, 40, 0); inVisual4.Brush = _compositor.CreateColorBrush(Colors.Blue); visual4.Children.InsertAtTop(inVisual3); visual4.Children.InsertAtTop(inVisual4); _generator.CreateReflection(visual4, distance, 0.7f, ReflectionLocation.Right); ElementCompositionPreview.SetElementChildVisual(CompositionGrid4, visual4); }