public event EventHandler<DotRemoveCommandEventArgs> DotRemove
typedef void (^LTDotRemoveCommandStatus)(LTRasterImage *image, LTDotRemoveCommandEventArgs *args, LTRemoveStatus *status)
- (BOOL)run:(LTRasterImage *)image
progress:(nullable LTRasterCommandProgress)progressHandler
status:(nullable LTDotRemoveCommandStatus)dotRemoveStatus
error:(NSError **)error
public void addDotRemoveCommandListener(DotRemoveCommandListener listener)
public void removeDotRemoveCommandListener(DotRemoveCommandListener listener)
public:
event EventHandler<DotRemoveCommandEventArgs^>^ DotRemove
def DotRemove(sender,e): # sender: DotRemoveCommand e: DotRemoveCommandEventArgs
The event handler receives an argument of type DotRemoveCommandEventArgs containing data related to this event. The following DotRemoveCommandEventArgs properties provide information specific to this event.
Property | Description |
---|---|
BlackCount | Gets the total number of black pixels in the dot being processed. |
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void DotRemoveCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif"));
// Prepare the command
DotRemoveCommand command = new DotRemoveCommand();
command.DotRemove += new EventHandler<DotRemoveCommandEventArgs>(DotRemoveEvent_S1);
command.Flags = DotRemoveCommandFlags.UseSize;
command.MaximumDotHeight = 10;
command.MaximumDotWidth = 10;
command.MinimumDotHeight = 1;
command.MinimumDotWidth = 1;
command.Run(image);
}
private void DotRemoveEvent_S1(object sender, DotRemoveCommandEventArgs e)
{
System.Diagnostics.Debug.WriteLine("Size " + e.BoundingRectangle.Width + e.BoundingRectangle.Height + "Bounds"
+ e.BoundingRectangle.Left + "," + e.BoundingRectangle.Top + "," + e.BoundingRectangle.Right + "," + e.BoundingRectangle.Bottom + ","
+ " WhiteCount" + e.WhiteCount + " BlackCount" + e.BlackCount, "DotRemove Event");
//Do not remove the speck if it contains any white pixels
if (e.WhiteCount > 0)
{
e.Status = RemoveStatus.NoRemove;
}
else
{
e.Status = RemoveStatus.Remove;
}
}
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 dotRemoveCommandExample() {
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, "Clean.tif"));
String outputFileName = combine(LEAD_VARS_IMAGES_DIR, "LEAD_dotRemoveExample.jpg");
// Prepare the command
DotRemoveCommand command = new DotRemoveCommand();
command.addDotRemoveCommandListener(dotRemoveEventS1);
command.setFlags(DotRemoveCommandFlags.USE_SIZE.getValue());
command.setMaximumDotHeight(10);
command.setMaximumDotWidth(10);
command.setMinimumDotHeight(1);
command.setMinimumDotWidth(1);
command.run(image);
System.out.println("Executed changes on loaded image...");
codecs.save(image, outputFileName, RasterImageFormat.JPEG, 8);
System.out.println("Saved updated file to:\n" + outputFileName);
assertTrue(new File(outputFileName).exists());
}
DotRemoveCommandListener dotRemoveEventS1 = new DotRemoveCommandListener() {
@Override
public void onDotRemoveEvent(DotRemoveCommandEvent e) {
System.out.println("Size " + e.getBoundingRectangle().getWidth() + e.getBoundingRectangle().getHeight()
+ "Bounds" + e.getBoundingRectangle().getLeft() + "," + e.getBoundingRectangle().getTop() + ","
+ e.getBoundingRectangle().getRight() + "," + e.getBoundingRectangle().getBottom() + ","
+ " WhiteCount" + e.getWhiteCount() + " BlackCount" + e.getBlackCount() + " DotRemove Event");
// Do not remove the speck if it contains any white pixels
if (e.getWhiteCount() > 0) {
e.setStatus(RemoveStatus.NO_REMOVE);
} else {
e.setStatus(RemoveStatus.REMOVE);
}
}
};
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