public long StreamLength { get; set; }
public long getStreamLength();
public void setStreamLength(
long longValue
);
StreamLength # get and set (PDFImage)
The size in bytes of the embedded image.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Controls;
using Leadtools.Pdf;
using Leadtools.Svg;
using Leadtools.WinForms;
public void PDFDocumentImagesExample()
{
string pdfFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf");
string txtFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_pdfImageInfo.txt");
// Save the results to the text file for examining
using (StreamWriter writer = File.CreateText(txtFileName))
using (PDFDocument document = new PDFDocument(pdfFileName))
{
// Look for image objects within the PDF
document.ParseDocumentStructure(PDFParseDocumentStructureOptions.Images);
// Output information about each image
foreach (PDFImage pdfImage in document.Images)
WritePdfImageProperties(writer, pdfImage);
}
}
public void WritePdfImageProperties(StreamWriter writer, PDFImage image)
{
writer.WriteLine("PDFImage.PageNumber: {0}", image.PageNumber.ToString());
writer.WriteLine(" PDFImage.ObjectNumber: {0}", image.ObjectNumber.ToString());
writer.WriteLine(" PDFImage.ColorDevice: {0}", image.ColorDevice.ToString());
writer.WriteLine(" PDFImage.StreamOffset: {0}", image.StreamOffset.ToString());
writer.WriteLine(" PDFImage.StreamLength: {0}", image.StreamLength.ToString());
writer.WriteLine(" PDFImage.BitsPerComponent: {0}", image.BitsPerComponent.ToString());
writer.WriteLine(" PDFImage.ComponentCount: {0}", image.ComponentCount.ToString());
writer.WriteLine(" PDFImage.BitsPerPixel: {0}", image.BitsPerPixel.ToString());
writer.WriteLine(" PDFImage.Width: {0}", image.Width.ToString());
writer.WriteLine(" PDFImage.Height: {0}", image.Height.ToString());
writer.WriteLine(" PDFImage.ImageType: {0}", image.ImageType.ToString());
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
import java.io.BufferedWriter;
import java.io.Console;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.nio.Buffer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.sql.Date;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import javax.xml.validation.Schema;
import org.apache.lucene.store.Directory;
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.barcode.*;
import leadtools.codecs.*;
import leadtools.pdf.*;
import leadtools.svg.*;
public void pdfDocumentImagesExample() {
String LEAD_VARS_ImagesDir = "C:\\LEADTOOLS23\\Resources\\Images";
String pdfFileName = combine(LEAD_VARS_ImagesDir, "Leadtools.pdf");
String txtFileName = combine(LEAD_VARS_ImagesDir, "LEAD_pdfImageInfo.txt");
PDFDocument document = new PDFDocument(pdfFileName);
try (BufferedWriter writer = new BufferedWriter(new FileWriter(txtFileName))) {
document.parseDocumentStructure(PDFParseDocumentStructureOptions.IMAGES.getValue());
for (PDFImage pdfImage : document.getImages()) {
writePdfImageProperties(writer, pdfImage);
}
} catch (Exception e) {
e.printStackTrace();
}
assertTrue(new File(txtFileName).exists());
}
public static void writePdfImageProperties(BufferedWriter writer, PDFImage image) throws IOException {
writer.write("PDFImage.PageNumber: " + image.getPageNumber());
writer.newLine();
writer.write(" PDFImage.ObjectNumber: " + image.getObjectNumber());
writer.newLine();
writer.write(" PDFImage.ColorDevice: " + image.getColorDevice());
writer.newLine();
writer.write(" PDFImage.StreamOffset: " + image.getStreamOffset());
writer.newLine();
writer.write(" PDFImage.StreamLength: " + image.getStreamLength());
writer.newLine();
writer.write(" PDFImage.BitsPerComponent: " + image.getBitsPerComponent());
writer.newLine();
writer.write(" PDFImage.ComponentCount: " + image.getComponentCount());
writer.newLine();
writer.write(" PDFImage.BitsPerPixel: " + image.getBitsPerPixel());
writer.newLine();
writer.write(" PDFImage.Width: " + image.getWidth());
writer.newLine();
writer.write(" PDFImage.Height: " + image.getHeight());
writer.newLine();
writer.write(" PDFImage.ImageType: " + image.getImageType());
writer.newLine();
}
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