public int Threshold { get; set; }
@property (nonatomic, assign) NSUInteger threshold;
public int getThreshold();
public void setThreshold(
int intValue
);
Threshold # get and set (AutoCropRectangleCommand)
Delta value for detecting blank space. Starting at each edge of the image and evaluating toward the center, any change in intensity that is less than or equal to this property is considered blank space. Valid values are 0 to 255.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void AutoCropRectangleCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));
// Prepare the command
AutoCropRectangleCommand command = new AutoCropRectangleCommand();
command.Threshold = 0;
command.Run(image);
MessageBox.Show("Left = " + command.Rectangle.Left.ToString() + "\n" +
"Top = " + command.Rectangle.Top.ToString() + "\n" +
"Right = " + command.Rectangle.Right.ToString() + "\n" +
"Bottom = " + command.Rectangle.Bottom.ToString());
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
import java.io.File;
import java.io.IOException;
import org.junit.*;
import org.junit.Test;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import static org.junit.Assert.*;
import leadtools.*;
import leadtools.codecs.*;
import leadtools.imageprocessing.core.AutoCropRectangleCommand;
public void autoCropRectangleCommandExample() {
final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images";
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.setThrowExceptionsOnInvalidImages(true);
RasterImage image = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "Master.jpg"));
// Prepare the command
AutoCropRectangleCommand command = new AutoCropRectangleCommand();
command.setThreshold(0);
command.run(image);
codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"), RasterImageFormat.JPEG, 0);
System.out.printf("Left = %1s%nTop = %2s%nRight = %3s%nBottom = %4s%n", command.getRectangle().getLeft(),
command.getRectangle().getRight(), command.getRectangle().getRight(),
command.getRectangle().getBottom());
System.out.println("Command run and image saved to: " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"));
assertTrue(new File(combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")).exists());
}
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