public class CropCommand : RasterCommand
@interface LTCropCommand : LTRasterCommand
public class CropCommand extends RasterCommand
public ref class CropCommand : public RasterCommand
class CropCommand(RasterCommand):
If a region is defined for the image, the region is also cropped if necessary.
For more information, refer to Introduction to Image Processing With LEADTOOLS.
This example trims 100 pixels off of each side of an image.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
public void CropCommandExample()
{
RasterCodecs codecs = new RasterCodecs();
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "CropCommand.bmp");
// Load the source image from disk
RasterImage image = codecs.Load(srcFileName);
// Crop 100 pixels from each side of the image
CropCommand command = new CropCommand();
command.Rectangle = new LeadRect(
100,
100,
image.Width - 100,
image.Height - 100);
command.Run(image);
// Save it to disk
codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24);
// Clean Up
image.Dispose();
codecs.Dispose();
}
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.*;
public void cropCommandExample() {
final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images";
RasterCodecs codecs = new RasterCodecs();
String srcFileName = combine(LEAD_VARS_IMAGES_DIR, "rgsref.cmp");
String destFileName = combine(LEAD_VARS_IMAGES_DIR, "CropCommand.bmp");
// Load the source image from disk
RasterImage image = codecs.load(srcFileName);
// Crop 100 pixels from each side of the image
CropCommand command = new CropCommand();
command.setRectangle(new LeadRect(
100,
100,
image.getWidth() - 100,
image.getHeight() - 100));
command.run(image);
// Save it to disk
codecs.save(image, destFileName, RasterImageFormat.BMP, 24);
assertTrue("file unsuccessfully saved to " + destFileName, (new File(destFileName)).exists());
System.out.printf("File saved successfully to %s%n", destFileName);
// Clean Up
image.dispose();
codecs.dispose();
}
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