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Posted to dev@pdfbox.apache.org by "Vimal Kumar (JIRA)" <ji...@apache.org> on 2018/01/11 10:21:00 UTC
[jira] [Updated] (PDFBOX-4062) Fetch Color of Text using PDFBox
[ https://issues.apache.org/jira/browse/PDFBOX-4062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vimal Kumar updated PDFBOX-4062:
--------------------------------
Description:
I Need to Fetch the Color of Text in a PDF using pdfbox 2.0.0 , for the same i have written java code as
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColor;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorN;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorSpace;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceCMYKColor;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceGrayColor;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceRGBColor;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingColor;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingColorN;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingColorSpace;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceCMYKColor;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceGrayColor;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceRGBColor;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.graphics.color.PDColor;
import org.apache.pdfbox.pdmodel.graphics.state.RenderingMode;
import org.apache.pdfbox.text.PDFTextStripper;
import org.apache.pdfbox.text.TextPosition;
/**
* This is an example on how to get the colors of text. Note that this will not tell the background,
* and will only work properly if the text is not overwritten later, and only if the text rendering
* modes are 0, 1 or 2. In the PDF 32000 specification, please read 9.3.6 "Text Rendering Mode" to
* know more. Mode 0 (FILL) is the default. Mode 1 (STROKE) will make glyphs look "hollow". Mode 2
* (FILL_STROKE) will make glyphs look "fat".
*
* @author Ben Litchfield
* @author Tilman Hausherr
*/
public class PDF_Box_1 extends PDFTextStripper
{
/**
* Instantiate a new PDFTextStripper object.
*
* @throws IOException If there is an error loading the properties.
*/
public PDF_Box_1() throws IOException
{
addOperator(new SetStrokingColorSpace());
addOperator(new SetNonStrokingColorSpace());
addOperator(new SetStrokingDeviceCMYKColor());
addOperator(new SetNonStrokingDeviceCMYKColor());
addOperator(new SetNonStrokingDeviceRGBColor());
addOperator(new SetStrokingDeviceRGBColor());
addOperator(new SetNonStrokingDeviceGrayColor());
addOperator(new SetStrokingDeviceGrayColor());
addOperator(new SetStrokingColor());
addOperator(new SetStrokingColorN());
addOperator(new SetNonStrokingColor());
addOperator(new SetNonStrokingColorN());
}
/**
* This will print the documents data.
*
* @param args The command line arguments.
*
* @throws IOException If there is an error parsing the document.
*/
public static void main(String[] args) throws IOException
{
try (PDDocument document = PDDocument.load(new File("D://Vimal//New folder//ab.pdf")))
{
PDFTextStripper stripper = new PDF_Box_1();
stripper.setSortByPosition(true);
stripper.setStartPage(0);
stripper.setEndPage(document.getNumberOfPages());
stripper.getText(document);
}
}
@Override
protected void processTextPosition(TextPosition text)
{
super.processTextPosition(text);
PDColor strokingColor = getGraphicsState().getStrokingColor();
PDColor nonStrokingColor = getGraphicsState().getNonStrokingColor();
String unicode = text.getUnicode();
RenderingMode renderingMode = getGraphicsState().getTextState().getRenderingMode();
System.out.println("Unicode: " + unicode);
System.out.println("Rendering mode: " + renderingMode);
System.out.println("Stroking color: " + strokingColor);
System.out.println("Non-Stroking color: " + nonStrokingColor);
System.out.println("Non-Stroking color: " + nonStrokingColor);
System.out.println();
// See the PrintTextLocations for more attributes
}
/**
* This will print the usage for this document.
*/
/* private static void usage()
{
System.err.println("Usage: java " + PDF_Box_1.class.getName() + "D://Vimal//New folder//b1.pdf");
}*/
}
But by using this I am getting Text of a Byte , but i want it for the word . Can you please help me in how to do this.
was:
I Need to Fetch the Color of Text in a PDF using pdfbox 2.0.0 , for the same i have written java code as
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColor;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorN;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorSpace;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceCMYKColor;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceGrayColor;
import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceRGBColor;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingColor;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingColorN;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingColorSpace;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceCMYKColor;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceGrayColor;
import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceRGBColor;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.graphics.color.PDColor;
import org.apache.pdfbox.pdmodel.graphics.state.RenderingMode;
import org.apache.pdfbox.text.PDFTextStripper;
import org.apache.pdfbox.text.TextPosition;
/**
* This is an example on how to get the colors of text. Note that this will not tell the background,
* and will only work properly if the text is not overwritten later, and only if the text rendering
* modes are 0, 1 or 2. In the PDF 32000 specification, please read 9.3.6 "Text Rendering Mode" to
* know more. Mode 0 (FILL) is the default. Mode 1 (STROKE) will make glyphs look "hollow". Mode 2
* (FILL_STROKE) will make glyphs look "fat".
*
* @author Ben Litchfield
* @author Tilman Hausherr
*/
public class PDF_Box_1 extends PDFTextStripper
{
/**
* Instantiate a new PDFTextStripper object.
*
* @throws IOException If there is an error loading the properties.
*/
public PDF_Box_1() throws IOException
{
addOperator(new SetStrokingColorSpace());
addOperator(new SetNonStrokingColorSpace());
addOperator(new SetStrokingDeviceCMYKColor());
addOperator(new SetNonStrokingDeviceCMYKColor());
addOperator(new SetNonStrokingDeviceRGBColor());
addOperator(new SetStrokingDeviceRGBColor());
addOperator(new SetNonStrokingDeviceGrayColor());
addOperator(new SetStrokingDeviceGrayColor());
addOperator(new SetStrokingColor());
addOperator(new SetStrokingColorN());
addOperator(new SetNonStrokingColor());
addOperator(new SetNonStrokingColorN());
}
/**
* This will print the documents data.
*
* @param args The command line arguments.
*
* @throws IOException If there is an error parsing the document.
*/
public static void main(String[] args) throws IOException
{
try (PDDocument document = PDDocument.load(new File("D://Vimal//New folder//ab.pdf")))
{
PDFTextStripper stripper = new PDF_Box_1();
stripper.setSortByPosition(true);
stripper.setStartPage(0);
stripper.setEndPage(document.getNumberOfPages());
Writer dummy = new OutputStreamWriter(new ByteArrayOutputStream());
stripper.writeText(document, dummy);
}
}
@Override
protected void processTextPosition(TextPosition text)
{
super.processTextPosition(text);
PDColor strokingColor = getGraphicsState().getStrokingColor();
PDColor nonStrokingColor = getGraphicsState().getNonStrokingColor();
String unicode = text.getUnicode();
RenderingMode renderingMode = getGraphicsState().getTextState().getRenderingMode();
System.out.println("Unicode: " + unicode);
System.out.println("Rendering mode: " + renderingMode);
System.out.println("Stroking color: " + strokingColor);
System.out.println("Non-Stroking color: " + nonStrokingColor);
System.out.println("Non-Stroking color: " + nonStrokingColor);
System.out.println();
// See the PrintTextLocations for more attributes
}
/**
* This will print the usage for this document.
*/
/* private static void usage()
{
System.err.println("Usage: java " + PDF_Box_1.class.getName() + "D://Vimal//New folder//b1.pdf");
}*/
}
But by using this I am getting Text of a Byte , but i want it for the word . Can you please help me in how to do this.
> Fetch Color of Text using PDFBox
> --------------------------------
>
> Key: PDFBOX-4062
> URL: https://issues.apache.org/jira/browse/PDFBOX-4062
> Project: PDFBox
> Issue Type: Bug
> Reporter: Vimal Kumar
> Priority: Blocker
>
> I Need to Fetch the Color of Text in a PDF using pdfbox 2.0.0 , for the same i have written java code as
> import java.io.ByteArrayOutputStream;
> import java.io.File;
> import java.io.IOException;
> import java.io.OutputStreamWriter;
> import java.io.Writer;
> import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColor;
> import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorN;
> import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorSpace;
> import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceCMYKColor;
> import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceGrayColor;
> import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceRGBColor;
> import org.apache.pdfbox.contentstream.operator.color.SetStrokingColor;
> import org.apache.pdfbox.contentstream.operator.color.SetStrokingColorN;
> import org.apache.pdfbox.contentstream.operator.color.SetStrokingColorSpace;
> import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceCMYKColor;
> import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceGrayColor;
> import org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceRGBColor;
> import org.apache.pdfbox.pdmodel.PDDocument;
> import org.apache.pdfbox.pdmodel.graphics.color.PDColor;
> import org.apache.pdfbox.pdmodel.graphics.state.RenderingMode;
> import org.apache.pdfbox.text.PDFTextStripper;
> import org.apache.pdfbox.text.TextPosition;
> /**
> * This is an example on how to get the colors of text. Note that this will not tell the background,
> * and will only work properly if the text is not overwritten later, and only if the text rendering
> * modes are 0, 1 or 2. In the PDF 32000 specification, please read 9.3.6 "Text Rendering Mode" to
> * know more. Mode 0 (FILL) is the default. Mode 1 (STROKE) will make glyphs look "hollow". Mode 2
> * (FILL_STROKE) will make glyphs look "fat".
> *
> * @author Ben Litchfield
> * @author Tilman Hausherr
> */
> public class PDF_Box_1 extends PDFTextStripper
> {
> /**
> * Instantiate a new PDFTextStripper object.
> *
> * @throws IOException If there is an error loading the properties.
> */
> public PDF_Box_1() throws IOException
> {
> addOperator(new SetStrokingColorSpace());
> addOperator(new SetNonStrokingColorSpace());
> addOperator(new SetStrokingDeviceCMYKColor());
> addOperator(new SetNonStrokingDeviceCMYKColor());
> addOperator(new SetNonStrokingDeviceRGBColor());
> addOperator(new SetStrokingDeviceRGBColor());
> addOperator(new SetNonStrokingDeviceGrayColor());
> addOperator(new SetStrokingDeviceGrayColor());
> addOperator(new SetStrokingColor());
> addOperator(new SetStrokingColorN());
> addOperator(new SetNonStrokingColor());
> addOperator(new SetNonStrokingColorN());
> }
> /**
> * This will print the documents data.
> *
> * @param args The command line arguments.
> *
> * @throws IOException If there is an error parsing the document.
> */
> public static void main(String[] args) throws IOException
> {
>
> try (PDDocument document = PDDocument.load(new File("D://Vimal//New folder//ab.pdf")))
> {
> PDFTextStripper stripper = new PDF_Box_1();
> stripper.setSortByPosition(true);
> stripper.setStartPage(0);
> stripper.setEndPage(document.getNumberOfPages());
> stripper.getText(document);
> }
>
> }
> @Override
> protected void processTextPosition(TextPosition text)
> {
> super.processTextPosition(text);
> PDColor strokingColor = getGraphicsState().getStrokingColor();
> PDColor nonStrokingColor = getGraphicsState().getNonStrokingColor();
> String unicode = text.getUnicode();
> RenderingMode renderingMode = getGraphicsState().getTextState().getRenderingMode();
> System.out.println("Unicode: " + unicode);
> System.out.println("Rendering mode: " + renderingMode);
> System.out.println("Stroking color: " + strokingColor);
> System.out.println("Non-Stroking color: " + nonStrokingColor);
> System.out.println("Non-Stroking color: " + nonStrokingColor);
> System.out.println();
> // See the PrintTextLocations for more attributes
> }
> /**
> * This will print the usage for this document.
> */
> /* private static void usage()
> {
> System.err.println("Usage: java " + PDF_Box_1.class.getName() + "D://Vimal//New folder//b1.pdf");
> }*/
> }
> But by using this I am getting Text of a Byte , but i want it for the word . Can you please help me in how to do this.
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