public class HistogramCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
'Declaration Public Class HistogramCommand Inherits Leadtools.ImageProcessing.RasterCommand Implements Leadtools.ImageProcessing.IRasterCommand
'Usage Dim instance As HistogramCommand
public sealed class HistogramCommand : Leadtools.ImageProcessing.IRasterCommand
function Leadtools.ImageProcessing.Color.HistogramCommand()
public ref class HistogramCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
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Public Sub HistogramCommandExample() Dim codecs As New RasterCodecs() codecs.ThrowExceptionsOnInvalidImages = True Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg")) ' Prepare the command Dim command As HistogramCommand = New HistogramCommand Dim histogramValues() As Long 'Create the red-channel histogram. command.Channel = HistogramCommandFlags.Red Or HistogramCommandFlags.AllBits command.Run(leadImage) codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24) histogramValues = command.Histogram End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void HistogramCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg")); // Prepare the command HistogramCommand command = new HistogramCommand(); long [] histogramValues; //Create the red-channel histogram. command.Channel = HistogramCommandFlags.Red | HistogramCommandFlags.AllBits; command.Run(image); codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24); histogramValues = command.Histogram; } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
[TestMethod] public async Task HistogramCommandExample() { // 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 HistogramCommand command = new HistogramCommand(); long [] histogramValues; //Create the red-channel histogram. command.Channel = HistogramCommandFlags.Red | HistogramCommandFlags.AllBits; command.Run(image); string destFileName = @"result.jpg"; StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName); await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Jpeg, 0); histogramValues = command.Histogram; }
public void HistogramCommandExample(RasterImage image, Stream outStream) { // Prepare the command HistogramCommand command = new HistogramCommand(); //Create the red-channel histogram. command.Channel = HistogramCommandFlags.Red | HistogramCommandFlags.AllBits; command.Run(image); // Save result image RasterCodecs codecs = new RasterCodecs(); codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24); image.Dispose(); //This is where the histogram information is stored int[] histogramValues = command.Histogram; }
Public Sub HistogramCommandExample(ByVal image As RasterImage, ByVal outStream As Stream) ' Prepare the command Dim command As HistogramCommand = New HistogramCommand() 'Create the red-channel histogram. command.Channel = HistogramCommandFlags.Red Or HistogramCommandFlags.AllBits command.Run(image) ' Save result image Dim codecs As RasterCodecs = New RasterCodecs() codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24) image.Dispose() 'This is where the histogram information is stored Dim histogramValues As Integer() = command.Histogram End Sub
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
HistogramCommand Members
Leadtools.ImageProcessing.Color Namespace
Changing Brightness and Contrast
Grayscale Images
Color Halftone and Halftone Images
ChangeIntensityCommand Class
GammaCorrectCommand Class
ChangeContrastCommand Class
HistogramContrastCommand Class
StretchIntensityCommand Class
RemapIntensityCommand Class
InvertCommand Class
ChangeHueCommand Class
ChangeSaturationCommand Class
HistogramEqualizeCommand Class
Leadtools.ImageProcessing.FillCommand
Leadtools.ImageProcessing.Core.WindowLevelCommand
ChannelMixerCommand Class
Leadtools.ImageProcessing.Effects.DeinterlaceCommand
DesaturateCommand Class
Leadtools.ImageProcessing.Effects.EdgeDetectStatisticalCommand
LightControlCommand Class
Leadtools.ImageProcessing.Effects.SmoothEdgesCommand
LocalHistogramEqualizeCommand Class
AddWeightedCommand Class
ColorMergeCommand Class
ColorSeparateCommand Class
MultiplyCommand Class
AutoColorLevelCommand Class
ColorLevelCommand Class
Leadtools.ImageProcessing.Core.CorrelationListCommand
GrayScaleToDuotoneCommand Class
GrayScaleToMultitoneCommand Class
Leadtools.ImageProcessing.Core.HolePunchRemoveCommand
SelectiveColorCommand Class
Leadtools.ImageProcessing.Effects.SkeletonCommand
ChangeHueSaturationIntensityCommand Class
ColorReplaceCommand Class
ColorThresholdCommand Class
MathematicalFunctionCommand Class
SegmentCommand Class
AdaptiveContrastCommand Class
ApplyMathematicalLogicCommand Class
ColorIntensityBalanceCommand Class
Leadtools.ImageProcessing.Core.ColorizeGrayCommand
ContrastBrightnessIntensityCommand Class
Leadtools.ImageProcessing.Core.DigitalSubtractCommand
DynamicBinaryCommand Class
Leadtools.ImageProcessing.Effects.EdgeDetectEffectCommand
Leadtools.ImageProcessing.SpecialEffects.FunctionalLightCommand
Leadtools.ImageProcessing.Core.MultiscaleEnhancementCommand
Leadtools.ImageProcessing.Core.SelectDataCommand
Leadtools.ImageProcessing.Core.ShiftDataCommand