RemapIntensityCommand Class (original) (raw)
Summary
Uses a lookup table to change an image's intensity values. You can apply the change to red, green, blue, or all color channels.
Syntax
C#
Objective-C
C++/CLI
Java
Python
@interface LTRemapIntensityCommand : LTRasterCommand public class RemapIntensityCommand
extends RasterCommand
class RemapIntensityCommand(RasterCommand): Example
Run the RemapIntensityCommand on an image.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.ImageProcessing.Effects;
public void RemapIntensityCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp"));
// Prepare the command
//This example will darken loaded image by using lookup table affected by exponential function.
int[] LookupTable = new int[256]; // Array to hold lookup table.
//Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
LookupTable[0] = 255;
LookupTable[255] = 0;
EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear);
RemapIntensityCommand command = new RemapIntensityCommand();
command.Flags = RemapIntensityCommandFlags.Master;
command.LookupTable = LookupTable;
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:\LEADTOOLS22\Resources\Images";
}