public event EventHandler<InvertedTextCommandEventArgs> InvertedText
typedef void (^LTInvertedTextCommandStatus)(LTRasterImage *image, LTInvertedTextCommandEventArgs *args, LTRemoveStatus *status)
- (BOOL)run:(LTRasterImage *)image
progress:(nullable LTRasterCommandProgress)progressHandler
status:(nullable LTInvertedTextCommandStatus)invertedTextStatus
error:(NSError **)error
public void addInvertedTextCommandListener(InvertedTextCommandListener listener)
public void removeInvertedTextCommandListener(InvertedTextCommandListener listener)
public:
event EventHandler<InvertedTextCommandEventArgs^>^ InvertedText
def InvertedText(sender,e): # sender: InvertedTextCommand e: InvertedTextCommandEventArgs
The event handler receives an argument of type InvertedTextCommandEventArgs containing data related to this event. The following InvertedTextCommandEventArgs properties provide information specific to this event.
Property | Description |
---|---|
BlackCount | Gets the total number of black pixels in the inverted text region being processed. |
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void InvertedTextCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif"));
// Prepare the command
InvertedTextCommand command = new InvertedTextCommand();
command.InvertedText += new EventHandler<InvertedTextCommandEventArgs>(InvertedTextEvent_S1);
command.Flags = InvertedTextCommandFlags.UseDpi;
command.MaximumBlackPercent = 95;
command.MinimumBlackPercent = 70;
command.MinimumInvertHeight = 500;
command.MinimumInvertWidth = 5000;
command.Run(image);
}
private void InvertedTextEvent_S1(object sender, InvertedTextCommandEventArgs e)
{
MessageBox.Show("Size " + "( " + e.BoundingRectangle.Left + ", " + e.BoundingRectangle.Top + ") - " + "( " + e.BoundingRectangle.Right + ", " + e.BoundingRectangle.Bottom + ")" +
"\n Black Count " + e.BlackCount.ToString() +
"\n White Count " + e.WhiteCount.ToString());
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 invertedTextCommandExample() {
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"));
// Prepare the command
InvertedTextCommand command = new InvertedTextCommand();
command.addInvertedTextCommandListener(invertedTextEvent_S1);
command.setFlags(InvertedTextCommandFlags.USE_DPI.getValue());
command.setMaximumBlackPercent(95);
command.setMinimumBlackPercent(70);
command.setMinimumInvertHeight(500);
command.setMinimumInvertWidth(5000);
command.run(image);
codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"), RasterImageFormat.JPEG, 24);
assertTrue(new File(combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")).exists());
System.out.println("Command run and image saved to " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"));
}
InvertedTextCommandListener invertedTextEvent_S1 = new InvertedTextCommandListener() {
@Override
public void onInvertedTextEvent(InvertedTextCommandEvent e) {
System.out.println(
"Size ( " + e.getBoundingRectangle().getLeft() + ", " + e.getBoundingRectangle().getTop() + ") - "
+ "( "
+ e.getBoundingRectangle().getRight() + ", " + e.getBoundingRectangle().getBottom() + ")" +
"\n Black Count " + e.getBlackCount() +
"\n White Count " + e.getWhiteCount());
e.setStatus(RemoveStatus.REMOVE);
}
};
Help Collections
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Imaging, Medical, and Document
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Imaging, Medical, and Document
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