HistogramContrastCommand Class (original) (raw)
Summary
Increases or decreases the contrast of the image, using a histogram to determine the median brightness.
Syntax
C#
Objective-C
C++/CLI
Java
Python
@interface LTHistogramContrastCommand : LTRasterCommand public class HistogramContrastCommand
extends RasterCommand
class HistogramContrastCommand(RasterCommand): Example
Run the HistogramContrastCommand on an image and increase its contrast.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;
public void HistogramContrastCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1.CMP"));
// Prepare the command
HistogramContrastCommand command = new HistogramContrastCommand();
//Increase the contrast using the histogram by 25 percent of the possible range.
command.Contrast = 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:\LEADTOOLS22\Resources\Images";
}