Leadtools.ImageProcessing.Core Namespace > FrequencyFilterCommand Class > FrequencyFilterCommand Constructor : FrequencyFilterCommand Constructor() |
public FrequencyFilterCommand()
'Declaration Public Function New()
'Usage Dim instance As New FrequencyFilterCommand()
public FrequencyFilterCommand()
function FrequencyFilterCommand()
public: FrequencyFilterCommand();
Public Sub FrequencyFilterConstructorExample() Dim codecs As New RasterCodecs() codecs.ThrowExceptionsOnInvalidImages = True Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg")) ' Prepare the command ' Resize the image to make sure the image's dimensions are power of two. Dim sizeCmd As SizeCommand = New SizeCommand(256, 256, RasterSizeFlags.Bicubic) sizeCmd.Run(leadImage) Dim FTArray As FourierTransformInformation = New FourierTransformInformation(leadImage) ' Apply FFT. Dim command As FastFourierTransformCommand = New FastFourierTransformCommand(FTArray, FastFourierTransformCommandFlags.FastFourierTransform Or FastFourierTransformCommandFlags.Gray) command.Run(leadImage) Dim rcRect As LeadRect = New LeadRect(0, 0, leadImage.Width \ 2, leadImage.Height \ 2) Dim FreqCommand As FrequencyFilterCommand = New FrequencyFilterCommand FreqCommand.Flags = FrequencyFilterCommandFlags.InsideX Or FrequencyFilterCommandFlags.OutsideY FreqCommand.FourierTransformInformation = FTArray FreqCommand.Rectangle = rcRect Dim InvCommand As FastFourierTransformCommand = New FastFourierTransformCommand(FTArray, FastFourierTransformCommandFlags.InverseFastFourierTransform Or FastFourierTransformCommandFlags.Gray Or FastFourierTransformCommandFlags.Scale Or FastFourierTransformCommandFlags.Both) InvCommand.Run(leadImage) End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void FrequencyFilterConstructorExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg")); // Prepare the command // Resize the image to make sure the image's dimensions are power of two. SizeCommand sizeCommand = new SizeCommand(256, 256, RasterSizeFlags.Bicubic); sizeCommand.Run(image); FourierTransformInformation ftArray = new FourierTransformInformation(image); // Apply FFT. FastFourierTransformCommand command = new FastFourierTransformCommand(ftArray, FastFourierTransformCommandFlags.FastFourierTransform | FastFourierTransformCommandFlags.Gray); command.Run(image); LeadRect rcRect = new LeadRect(0, 0, image.Width / 2, image.Height / 2); FrequencyFilterCommand freqCommand = new FrequencyFilterCommand(); freqCommand.Flags = FrequencyFilterCommandFlags.InsideX | FrequencyFilterCommandFlags.InsideY; freqCommand.FourierTransformInformation = ftArray; freqCommand.Rectangle = rcRect; FastFourierTransformCommand invCommand = new FastFourierTransformCommand(ftArray, FastFourierTransformCommandFlags.InverseFastFourierTransform | FastFourierTransformCommandFlags.Gray | FastFourierTransformCommandFlags.Scale | FastFourierTransformCommandFlags.Both); invCommand.Run(image); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
function FrequencyFilterConstructorExample() { var codecs = new Leadtools.Codecs.RasterCodecs(); codecs.throwExceptionsOnInvalidImages = true; // Load the image var srcFileName = "Assets\\Image1.cmp"; return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) { return codecs.loadAsync(Leadtools.LeadStreamFactory.create(loadFile)); }).then(function (image) { // Prepare the command with (Leadtools.ImageProcessing.Core) { // Resize the image to make sure the image's dimensions are power of two. var sizeCommand = new Leadtools.ImageProcessing.SizeCommand(256, 256, Leadtools.RasterSizeFlags.bicubic); sizeCommand.run(image); var ftArray = new FourierTransformInformation(image); // Apply FFT. var command = new FastFourierTransformCommand(ftArray, FastFourierTransformCommandFlags.fastFourierTransform | FastFourierTransformCommandFlags.gray); command.run(image); var rcRect = Leadtools.LeadRectHelper.create(0, 0, image.width / 2, image.height / 2); var freqCommand = new FrequencyFilterCommand(); freqCommand.flags = FrequencyFilterCommandFlags.insideX | FrequencyFilterCommandFlags.insideY; freqCommand.fourierTransformInformation = ftArray; freqCommand.rectangle = rcRect; var invCommand = new FastFourierTransformCommand(ftArray, FastFourierTransformCommandFlags.inverseFastFourierTransform | FastFourierTransformCommandFlags.gray | FastFourierTransformCommandFlags.scale | FastFourierTransformCommandFlags.both); invCommand.run(image); } }); }
[TestMethod] public async Task FrequencyFilterConstructorExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; // Load the image string srcFileName = @"Assets\Image1.cmp"; StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName); RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile)); // Prepare the command // Resize the image to make sure the image's dimensions are power of two. SizeCommand sizeCommand = new SizeCommand(256, 256, RasterSizeFlags.Bicubic); sizeCommand.Run(image); FourierTransformInformation ftArray = new FourierTransformInformation(image); // Apply FFT. FastFourierTransformCommand command = new FastFourierTransformCommand(ftArray, FastFourierTransformCommandFlags.FastFourierTransform | FastFourierTransformCommandFlags.Gray); command.Run(image); LeadRect rcRect = LeadRectHelper.Create(0, 0, image.Width / 2, image.Height / 2); FrequencyFilterCommand freqCommand = new FrequencyFilterCommand(); freqCommand.Flags = FrequencyFilterCommandFlags.InsideX | FrequencyFilterCommandFlags.InsideY; freqCommand.FourierTransformInformation = ftArray; freqCommand.Rectangle = rcRect; FastFourierTransformCommand invCommand = new FastFourierTransformCommand(ftArray, FastFourierTransformCommandFlags.InverseFastFourierTransform | FastFourierTransformCommandFlags.Gray | FastFourierTransformCommandFlags.Scale | FastFourierTransformCommandFlags.Both); invCommand.Run(image); }
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2