public int ImageQualityFactor {get; set;}
@property (nonatomic, assign) NSUInteger imageQualityFactor;
public int getImageQualityFactor()
public void setImageQualityFactor(int imageQualityFactor)
ImageQualityFactor # get and set (CodecsJbig2SaveOptions)
An integer value that determines the degree of loss in the compression process for non-text areas.
Value | Description |
---|---|
0 | Lossless. 0 is the default value. |
>0 | Lossy |
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
using Leadtools.Pdf;
public void CodecsJbig2OptionsExample()
{
RasterCodecs codecs = new RasterCodecs();
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "ocr1.tif");
RasterImage srcImage = codecs.Load(srcFileName);
codecs.Options.Jbig2.Load.LoadOldFiles = false; // CodecsJbig2Options & CodecsJbig2LoadOptions reference
// Save as JBIG2 with Template #3
// CodecsJbig2SaveOptions reference. All properties are set to default values.
codecs.Options.Jbig2.Save.RemoveMarker = true;
codecs.Options.Jbig2.Save.EnableDictionary = true;
codecs.Options.Jbig2.Save.RemoveHeaderSegment = true;
codecs.Options.Jbig2.Save.RemoveEopSegment = true;
codecs.Options.Jbig2.Save.RemoveEofSegment = true;
codecs.Options.Jbig2.Save.ImageTypicalPredictionOn = true;
codecs.Options.Jbig2.Save.ImageTemplateType = 3;
codecs.Options.Jbig2.Save.ImageQualityFactor = 0; // Lossless image compression
codecs.Options.Jbig2.Save.ImageGbatX1 = -1;
codecs.Options.Jbig2.Save.ImageGbatX2 = -1;
codecs.Options.Jbig2.Save.ImageGbatX3 = -2;
codecs.Options.Jbig2.Save.ImageGbatX4 = -2;
codecs.Options.Jbig2.Save.ImageGbatY1 = -3;
codecs.Options.Jbig2.Save.ImageGbatY2 = 2;
codecs.Options.Jbig2.Save.ImageGbatY3 = -2;
codecs.Options.Jbig2.Save.ImageGbatY4 = 0;
codecs.Options.Jbig2.Save.TextDifferentialThreshold = 30;
codecs.Options.Jbig2.Save.TextGbatX1 = 3;
codecs.Options.Jbig2.Save.TextGbatX2 = -3;
codecs.Options.Jbig2.Save.TextGbatX3 = 2;
codecs.Options.Jbig2.Save.TextGbatX4 = -2;
codecs.Options.Jbig2.Save.TextGbatY1 = -1;
codecs.Options.Jbig2.Save.TextGbatY2 = -1;
codecs.Options.Jbig2.Save.TextGbatY3 = -2;
codecs.Options.Jbig2.Save.TextGbatY4 = -2;
codecs.Options.Jbig2.Save.TextKeepAllSymbols = true;
codecs.Options.Jbig2.Save.TextMaximumSymbolArea = 2000;
codecs.Options.Jbig2.Save.TextMaximumSymbolHeight = 200;
codecs.Options.Jbig2.Save.TextMaximumSymbolWidth = 200;
codecs.Options.Jbig2.Save.TextMinimumSymbolArea = 50;
codecs.Options.Jbig2.Save.TextMinimumSymbolHeight = 1;
codecs.Options.Jbig2.Save.TextMinimumSymbolWidth = 1;
codecs.Options.Jbig2.Save.TextQualityFactor = 0; // Lossless. 0 is the default value. Lossy is > 0
codecs.Options.Jbig2.Save.TextRemoveUnrepeatedSymbol = false;
codecs.Options.Jbig2.Save.TextTemplateType = 0;
codecs.Options.Jbig2.Save.XResolution = 150;
codecs.Options.Jbig2.Save.YResolution = 150;
codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "jbig2.jb2"), RasterImageFormat.Jbig2, 1);
// Clean up
srcImage.Dispose();
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.file.Paths;
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.MinMaxBitsCommand;
public void codecsJbig2OptionsExample() {
final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images";
RasterCodecs codecs = new RasterCodecs();
String srcFileName = combine(LEAD_VARS_IMAGES_DIR, "ocr1.tif");
RasterImage srcImage = codecs.load(srcFileName);
codecs.getOptions().getJbig2().getLoad().setLoadOldFiles(false); // CodecsJbig2Options & CodecsJbig2LoadOptions
// reference
// Save as JBIG2 with Template #3
// CodecsJbig2SaveOptions reference. All properties are set to default values.
codecs.getOptions().getJbig2().getSave().setRemoveMarker(true);
codecs.getOptions().getJbig2().getSave().setEnableDictionary(true);
codecs.getOptions().getJbig2().getSave().setRemoveHeaderSegment(true);
codecs.getOptions().getJbig2().getSave().setRemoveEopSegment(true);
codecs.getOptions().getJbig2().getSave().setRemoveEofSegment(true);
codecs.getOptions().getJbig2().getSave().setImageTypicalPredictionOn(true);
codecs.getOptions().getJbig2().getSave().setImageTemplateType(3);
codecs.getOptions().getJbig2().getSave().setImageQualityFactor(0); // Lossless image compression
codecs.getOptions().getJbig2().getSave().setImageGbatX1(-1);
codecs.getOptions().getJbig2().getSave().setImageGbatX2(-1);
codecs.getOptions().getJbig2().getSave().setImageGbatX3(-2);
codecs.getOptions().getJbig2().getSave().setImageGbatX4(-2);
codecs.getOptions().getJbig2().getSave().setImageGbatY1(-3);
codecs.getOptions().getJbig2().getSave().setImageGbatY2(2);
codecs.getOptions().getJbig2().getSave().setImageGbatY3(-2);
codecs.getOptions().getJbig2().getSave().setImageGbatY4(0);
codecs.getOptions().getJbig2().getSave().setTextDifferentialThreshold(30);
codecs.getOptions().getJbig2().getSave().setTextGbatX1(3);
codecs.getOptions().getJbig2().getSave().setTextGbatX2(-3);
codecs.getOptions().getJbig2().getSave().setTextGbatX3(2);
codecs.getOptions().getJbig2().getSave().setTextGbatX4(-2);
codecs.getOptions().getJbig2().getSave().setTextGbatY1(-1);
codecs.getOptions().getJbig2().getSave().setTextGbatY2(-1);
codecs.getOptions().getJbig2().getSave().setTextGbatY3(-2);
codecs.getOptions().getJbig2().getSave().setTextGbatY4(-2);
codecs.getOptions().getJbig2().getSave().setTextKeepAllSymbols(true);
codecs.getOptions().getJbig2().getSave().setTextMaximumSymbolArea(2000);
codecs.getOptions().getJbig2().getSave().setTextMaximumSymbolHeight(200);
codecs.getOptions().getJbig2().getSave().setTextMaximumSymbolWidth(200);
codecs.getOptions().getJbig2().getSave().setTextMinimumSymbolArea(50);
codecs.getOptions().getJbig2().getSave().setTextMinimumSymbolHeight(1);
codecs.getOptions().getJbig2().getSave().setTextMinimumSymbolWidth(1);
codecs.getOptions().getJbig2().getSave().setTextQualityFactor(0); // Lossless. 0 is the default value. Lossy is > 0
codecs.getOptions().getJbig2().getSave().setTextRemoveUnrepeatedSymbol(false);
codecs.getOptions().getJbig2().getSave().setTextTemplateType(0);
codecs.getOptions().getJbig2().getSave().setXResolution(150);
codecs.getOptions().getJbig2().getSave().setYResolution(150);
String outputFileName = combine(LEAD_VARS_IMAGES_DIR, "jbig2.jb2");
codecs.save(srcImage, outputFileName, RasterImageFormat.JBIG2, 1);
assertTrue("File unsuccessfully saved to " + outputFileName, (new File(outputFileName)).exists());
System.out.printf("File successfully saved to %s%n", outputFileName);
// Clean up
srcImage.dispose();
codecs.dispose();
}
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