public ZeroToNegativeCommand()
- (instancetype)init
public ZeroToNegativeCommand();
public:
ZeroToNegativeCommand();
__init__() # Default constructor
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void ZeroToNegativeCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Beauty16.jpg"));
// Prepare the command
// Convert the image to unsigned image by shifting the negative values to become positive.
MinimumToZeroCommand MinToZCommand = new MinimumToZeroCommand();
MinToZCommand.Run(image);
// Apply multiscale enhancement
MultiscaleEnhancementCommand MultiScaleCommand = new MultiscaleEnhancementCommand(2000, 4, -1, 0, 0, MultiscaleEnhancementCommandType.Gaussian, MultiscaleEnhancementCommandFlags.EdgeEnhancement);
MultiScaleCommand.Run(image);
// Convert the image back to signed by shifting the same amount in the negative side.
ZeroToNegativeCommand command = new ZeroToNegativeCommand();
command.MinimumInput = -32767;
command.MaximumInput = 32766;
command.MinimumOutput = 0;
command.MaximumOutput = 65535;
command.ShiftAmount = MinToZCommand.ShiftAmount;
command.Run(image);
}
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.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.*;
public void zeroToNegativeCommandExample() {
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, "Beauty16.jpg"));
// Prepare the command
// Convert the image to unsigned image by shifting the negative values to become
// positive.
MinimumToZeroCommand minToZCommand = new MinimumToZeroCommand();
minToZCommand.run(image);
// Apply multiscale enhancement
MultiscaleEnhancementCommand multiScaleCommand = new MultiscaleEnhancementCommand(2000, 4, -1, 0, 0,
MultiscaleEnhancementCommandType.GAUSSIAN, MultiscaleEnhancementCommandFlags.EDGE_ENHANCEMENT.getValue());
multiScaleCommand.run(image);
// Convert the image back to signed by shifting the same amount in the negative
// side.
ZeroToNegativeCommand command = new ZeroToNegativeCommand();
command.setMinimumInput(-32767);
command.setMaximumInput(32766);
command.setMinimumOutput(0);
command.setMaximumOutput(65535);
command.setShiftAmount(minToZCommand.getShiftAmount());
int change = command.run(image);
assertTrue(change != RasterImageChangedFlags.NONE);
codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"), RasterImageFormat.JPEG, 24);
System.out.println("Command run and image saved to " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"));
}
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