pdf-as-lib maven project files moved to pdf-as-lib

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 0 insertions, 377 deletions

diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java
deleted file mode 100644
index a0311da..0000000
--- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java
+++ /dev/null
@@ -1,377 +0,0 @@
-/**

- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>

- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a

- * joint initiative of the Federal Chancellery Austria and Graz University of

- * Technology.

- *

- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by

- * the European Commission - subsequent versions of the EUPL (the "Licence");

- * You may not use this work except in compliance with the Licence.

- * You may obtain a copy of the Licence at:

- * http://www.osor.eu/eupl/

- *

- * Unless required by applicable law or agreed to in writing, software

- * distributed under the Licence is distributed on an "AS IS" basis,

- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

- * See the Licence for the specific language governing permissions and

- * limitations under the Licence.

- *

- * This product combines work with different licenses. See the "NOTICE" text

- * file for details on the various modules and licenses.

- * The "NOTICE" text file is part of the distribution. Any derivative works

- * that you distribute must include a readable copy of the "NOTICE" text file.

- *

- * $Id: PDFPage.java,v 1.5 2006/10/31 08:09:33 wprinz Exp $

- */

-package at.knowcenter.wag.egov.egiz.pdf;

-

-import java.io.IOException;

-import java.util.List;

-import java.util.Map;

-

-import org.apache.log4j.Logger;

-import org.pdfbox.cos.COSName;

-import org.pdfbox.cos.COSStream;

-import org.pdfbox.pdmodel.PDPage;

-import org.pdfbox.pdmodel.PDResources;

-import org.pdfbox.pdmodel.common.PDStream;

-import org.pdfbox.pdmodel.graphics.xobject.PDXObject;

-import org.pdfbox.pdmodel.graphics.xobject.PDXObjectForm;

-import org.pdfbox.util.Matrix;

-import org.pdfbox.util.PDFOperator;

-import org.pdfbox.util.PDFTextStripper;

-import org.pdfbox.util.TextPosition;

-import org.pdfbox.util.operator.OperatorProcessor;

-

-import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;

-

-/**

- * PDFPage is an inner class that is used to calculate the page length of a PDF

- * Document page. It extends the PDFTextStripper class and implement one

- * interested method: {@link PDFPage#showCharacter(TextPosition)}<br>

- * This method is called when processing the FileStream. By calling the method

- * {@link org.pdfbox.util.PDFStreamEngine#processStream(org.pdfbox.pdmodel.PDPage, org.pdfbox.pdmodel.PDResources, org.pdfbox.cos.COSStream)}

- * the implemented method showCharacter is called.

- * 

- * @author wlackner

- * @see PDFTextStripper

- */

-public class PDFPage extends PDFTextStripper

-{

-  /**

-   * The logger definition.

-   */

-  private static final Logger logger_ = ConfigLogger.getLogger(PDFPage.class);

-

-  /**

-   * The maximum (lowest) y position of a character.

-   */

-  protected float max_character_ypos = Float.NEGATIVE_INFINITY;

-  

-  /**

-   * The maximum (lowest y position of an image.

-   */

-  protected float max_image_ypos = Float.NEGATIVE_INFINITY;

-  

-  /**

-   * The y coordinate of the footer line. PDF elements below this footer line will not be regarded.

-   */

-  protected float footer_line = 0.0f;

-  

-  /**

-   * Constructor.

-   * 

-   * @param footer_line The y coordinate of the footer line. PDF elements below this footer line will not be regarded.

-   * 

-   * @throws IOException

-   */

-  public PDFPage(float footer_line) throws IOException

-  {

-    super();

-    

-    this.footer_line = footer_line;

-    

-    OperatorProcessor newInvoke = new MyInvoke();

-    newInvoke.setContext(this);

-    operators.put("Do", newInvoke);

-  }

-

-

-  protected void processOperator(PDFOperator operator, List arguments) throws IOException

-  {

-    //logger_.debug("operator = " + operator);

-    

-    super.processOperator(operator, arguments);

-  }

-

-  // exthex

-  /**

-   * A method provided as an event interface to allow a subclass to perform some

-   * specific functionality when a character needs to be displayed. This method

-   * is used to calculate the latest position of a text in the page. Sorry for

-   * this missinterpretation of the method, but it is the only way to do this

-   * (provided by PDFBox)!!!

-   * 

-   * @param text

-   *          the character to be displayed -> calculate there y position.

-   */

-  protected void showCharacter(TextPosition text)

-  {

-    float current_y = text.getY();

-    final String character = text.getCharacter();

-    

-    int pageRotation = page.findRotation();

-    //logger_.debug("PageRotation = " + pageRotation);

-    if (pageRotation == 0)

-    {

-    	current_y = text.getY();

-    }

-    if (pageRotation == 90)

-    {

-    	current_y = text.getX();

-    }

-    if (pageRotation == 180)

-    {

-      float page_height = page.findMediaBox().getHeight();

-      current_y = page_height - text.getY();

-    }

-    if (pageRotation == 270)

-    {

-    	float page_height = page.findMediaBox().getHeight();

-        current_y = page_height - text.getX();

-    }

-    

-    

-    if (current_y > this.footer_line)

-    {

-      //logger_.debug("character is below footer_line. footer_line = " + this.footer_line + ", text.character=" + character + ", y=" + current_y);

-      return;

-    }

-    

-    // store ypos of the char if it is not empty

-    if (!character.equals(" ") && current_y > this.max_character_ypos)

-    {

-      this.max_character_ypos = current_y;

-      //logger_.debug("text.character=" + character + ", y=" + current_y);

-      // System.err.println(character + "|" + current_y);

-    }

-

-    //logger_.error("text.character=" + character + ", y=" + current_y + " max_c=" + this.max_character_ypos);

-    // System.err.println(character + "|" + current_y);

-  }

-

-  // use this funtion getting an unsorted text output

-  // public void showString(byte[] string) {

-  // logger_.debug(new String(string));

-  // }

-

-  /**

-   * Returns the calculated page length.

-   * 

-   * @return the max page length value

-   */

-  public float getMaxPageLength()

-  {

-    float max_ypos = Float.NEGATIVE_INFINITY;

-    

-    if (this.max_character_ypos > this.max_image_ypos)

-    {

-      max_ypos = this.max_character_ypos;

-    }

-    else

-    {

-      max_ypos = this.max_image_ypos;

-    }

-    //logger_.error("max len=" + max_ypos);

-    return max_ypos;

-  }

-

-  public class MyInvoke extends OperatorProcessor

-  {

-

-    public void process(PDFOperator operator, List arguments) throws IOException

-    {

-      COSName name = (COSName) arguments.get(0);

-      //logger_.error("<Do name=\"" + name.getName() + "\">");

-

-      // PDResources res = context.getResources();

-

-      Map xobjects = context.getXObjects();

-      PDXObject xobject = (PDXObject) xobjects.get(name.getName());

-      

-      PDStream stream = xobject.getPDStream();

-      COSStream cos_stream = stream.getStream();

-      

-      COSName subtype = (COSName) cos_stream.getDictionaryObject(COSName.SUBTYPE);

-      //logger_.error("<Do subtype name=\"" + subtype.getName() + "\">");

-      if (subtype.equals(COSName.IMAGE))

-      {

-        //logger_.error("XObject Image");

-        

-        Matrix ctm = context.getGraphicsState().getCurrentTransformationMatrix();

-        //logger_.debug("ctm = " + ctm);

-        

-        Pos [] coordinates = new Pos [] {

-        new Pos(0, 0, 1),

-        new Pos(1, 0, 1),

-        new Pos(0, 1, 1),

-        new Pos(1, 1, 1) };

-        

-        Pos [] transformed_coordinates = transtormCoordinates(coordinates, ctm);

-        

-        /**********************************************************

-         * pdf-as fix:

-         * calculating min and max point of an image to look where

-         * the signature should be placed

-         * fix solves problems with footer and images and

-         * placement of the signature in an image only pdf document

-         **********************************************************/

-        

-        float actual_lowest_point = Float.NaN;

-        float actual_starting_point = Float.NaN;

-        

-        int pageRotation = page.findRotation();

-        logger_.debug("PageRotation = " + pageRotation);

-        if (pageRotation == 0)

-        {

-          float min_y = findMinY(transformed_coordinates);

-          logger_.debug("min_y = " + min_y);

-          float page_height = page.findMediaBox().getHeight();

-          logger_.debug("page_height = " + page_height);

-          

-          actual_lowest_point = page_height - min_y;

-          actual_starting_point = page_height - findMaxY(transformed_coordinates);

-        }

-        if (pageRotation == 90)

-        {

-          float max_x = findMaxX(transformed_coordinates);

-          logger_.debug("max_x = " + max_x);

-          float page_width = page.findMediaBox().getWidth();

-          logger_.debug("page_width = " + page_width);

-

-          actual_lowest_point = max_x;

-          actual_starting_point = findMinX(transformed_coordinates);   

-        }

-        if (pageRotation == 180)

-        {

-          float min_y = findMinY(transformed_coordinates);

-          logger_.debug("min_y = " + min_y);

-          float page_height = page.findMediaBox().getHeight();

-          actual_lowest_point = page_height - findMaxY(transformed_coordinates);

-          actual_starting_point = page_height - min_y;

-        }

-        if (pageRotation == 270)

-        {

-          float min_x = findMinX(transformed_coordinates);

-          logger_.debug("min_x = " + min_x);

-          

-          float page_width = page.findMediaBox().getWidth();

-          logger_.debug("page_width = " + page_width);

-          

-          actual_lowest_point = page_width - min_x;

-          actual_starting_point = page_width - findMaxX(transformed_coordinates);   

-        }

-

-        

-        logger_.debug("actual_lowest_point = " + actual_lowest_point);

-        

-        if (actual_lowest_point > PDFPage.this.footer_line && actual_starting_point > PDFPage.this.footer_line)

-        {

-          logger_.debug("image is below footer_line. footer_line = " + PDFPage.this.footer_line);

-          return;

-        }

-

-        if (actual_lowest_point > PDFPage.this.max_image_ypos)

-        {

-          PDFPage.this.max_image_ypos = actual_lowest_point;

-        }

-        

-        return;

-      }

-

-      if (xobject instanceof PDXObjectForm)

-      {

-        PDXObjectForm form = (PDXObjectForm) xobject;

-        COSStream invoke = (COSStream) form.getCOSObject();

-        PDResources pdResources = form.getResources();

-        PDPage page = context.getCurrentPage();

-        if (pdResources == null)

-        {

-          pdResources = page.findResources();

-        }

-

-        getContext().processSubStream(page, pdResources, invoke);

-      }

-    }

-  }

-  

-  public static Pos [] transtormCoordinates (Pos [] coordinates, Matrix m)

-  {

-    Pos [] transformed = new Pos [coordinates.length];

-    for (int i = 0; i < coordinates.length; i++)

-    {

-      transformed[i] = transtormCoordinate(coordinates[i], m);

-    }

-    return transformed;

-  }

-  

-  public static Pos transtormCoordinate (Pos pos, Matrix m)

-  {

-    Pos transformed = new Pos();

-    transformed.x = pos.x * m.getValue(0, 0) + pos.y * m.getValue(1, 0) + pos.z * m.getValue(2, 0);

-    transformed.y = pos.x * m.getValue(0, 1) + pos.y * m.getValue(1, 1) + pos.z * m.getValue(2, 1);

-    transformed.z = pos.x * m.getValue(0, 2) + pos.y * m.getValue(1, 2) + pos.z * m.getValue(2, 2);

-    

-    logger_.debug(" transformed " + pos + " --> " + transformed);

-    return transformed;

-  }

-  

-  public static float findMinY (Pos [] coordinates)

-  {

-    float min = Float.POSITIVE_INFINITY;

-    for (int i = 0; i < coordinates.length; i++)

-    {

-      if (coordinates[i].y < min)

-      {

-        min = coordinates[i].y;

-      }

-    }

-    return min;

-  }

-  

-	public static float findMaxY(Pos[] coordinates) {

-		float max = 0;

-		for (int i = 0; i < coordinates.length; i++) {

-			if (coordinates[i].y > max) {

-				max = coordinates[i].y;

-			}

-		}

-		return max;

-	}

-  

-  public static float findMaxX (Pos [] coordinates)

-  {

-    float max = Float.NEGATIVE_INFINITY;

-    for (int i = 0; i < coordinates.length; i++)

-    {

-      if (coordinates[i].x > max)

-      {

-        max = coordinates[i].x;

-      }

-    }

-    return max;

-  }

-  public static float findMinX (Pos [] coordinates)

-  {

-    float min = Float.POSITIVE_INFINITY;

-    for (int i = 0; i < coordinates.length; i++)

-    {

-      if (coordinates[i].x < min)

-      {

-        min = coordinates[i].x;

-      }

-    }

-    return min;

-  }

-

-}
\ No newline at end of file