public class GammaCorrectCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
'Declaration
Public Class GammaCorrectCommand Inherits Leadtools.ImageProcessing.RasterCommand Implements Leadtools.ImageProcessing.IRasterCommand
'Usage
Dim instance As GammaCorrectCommand
public sealed class GammaCorrectCommand : Leadtools.ImageProcessing.IRasterCommand
@interface LTGammaCorrectCommand : LTRasterCommand
public class GammaCorrectCommand extends RasterCommand
function Leadtools.ImageProcessing.Color.GammaCorrectCommand()
public ref class GammaCorrectCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
詳細については、「明度とコントラストの変更」を参照してください。
画像にLUTがあり画像データ上で作業する場合は、RasterImage.UseLookupTableをFalseに設定します。メソッドを呼び出した後で、以下のようにUselookupTableプロパティをTrueにリセットします。
rasterImage.UseLookupTable = false; Method(rasterImage); rasterImage.UseLookupTable = true;
imageの上でGammaCorrectCommandを実行して、ガンマ補正を適用します。
Imports Leadtools Imports Leadtools.Codecs Imports Leadtools.ImageProcessing.Color Public Sub GammaCorrectCommandExample() Dim codecs As New RasterCodecs() codecs.ThrowExceptionsOnInvalidImages = True Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp")) ' Prepare the command Dim command As GammaCorrectCommand = New GammaCorrectCommand 'Set a gamma value of 2.5. command.Gamma = 250 command.Run(leadImage) codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24) End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
using Leadtools; using Leadtools.Codecs; using Leadtools.ImageProcessing.Color; public void GammaCorrectCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp")); // Prepare the command GammaCorrectCommand command = new GammaCorrectCommand(); //Set a gamma value of 2.5. command.Gamma = 250; command.Run(image); codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
using Leadtools; using Leadtools.Codecs; using Leadtools.ImageProcessing.Color; public async Task GammaCorrectCommandExample() { // 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 GammaCorrectCommand command = new GammaCorrectCommand(); //Set a gamma value of 2.5. command.Gamma = 250; command.Run(image); string destFileName = @"result.jpg"; StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName); await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Jpeg, 0); }
using Leadtools; using Leadtools.Codecs; using Leadtools.ImageProcessing.Color; using Leadtools.Examples; public void GammaCorrectCommandExample(RasterImage image, Stream outStream) { // Prepare the command GammaCorrectCommand command = new GammaCorrectCommand(); //Set a gamma value of 2.5. command.Gamma = 250; command.Run(image); // Save result image RasterCodecs codecs = new RasterCodecs(); codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24); image.Dispose(); }
Imports Leadtools Imports Leadtools.Codecs Imports Leadtools.ImageProcessing.Color Public Sub GammaCorrectCommandExample(ByVal image As RasterImage, ByVal outStream As Stream) ' Prepare the command Dim command As GammaCorrectCommand = New GammaCorrectCommand() 'Set a gamma value of 2.5. command.Gamma = 250 command.Run(image) ' Save result image Dim codecs As RasterCodecs = New RasterCodecs() codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24) image.Dispose() End Sub
GammaCorrectCommandメンバ
Leadtools.ImageProcessing.Color名前空間
明度とコントラストの変更
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DynamicBinaryCommandクラス
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Leadtools.ImageProcessing.SpecialEffects.FunctionalLightCommand
Leadtools.ImageProcessing.Core.MultiscaleEnhancementCommand
Leadtools.ImageProcessing.Core.SelectDataCommand
Leadtools.ImageProcessing.Core.ShiftDataCommand
AdjustTintCommandクラス
GammaCorrectCommandクラス