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/*
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/support/
 *
 * (C) Copyright 1997-2015 IDRsolutions and Contributors.
 *
 * This file is part of JPedal/JPDF2HTML5
 *
     This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


 *
 * ---------------
 * PdfImageData.java
 * ---------------
 */
package org.jpedal.objects;

import org.jpedal.utils.repositories.Vector_Float;
import org.jpedal.utils.repositories.Vector_Int;
import org.jpedal.utils.repositories.Vector_String;

/**
 * holds metadata on images extracted from the PDF file. 

* Images are generally stored in the temp directory and only their meta * data held to reduce memory needs.

*/ public class PdfImageData { /**page id for image*/ private final Vector_Int object_page_id = new Vector_Int( 100 ); /**x co-ord for image*/ private final Vector_Float x = new Vector_Float( 100 ); /**y co-ord for image*/ private final Vector_Float y = new Vector_Float( 100 ); /**width for image*/ private final Vector_Float w = new Vector_Float( 100 ); /**height */ private final Vector_Float h = new Vector_Float( 100 ); /**image name*/ private final Vector_String object_image_name = new Vector_String( 100 ); /**count on images*/ private int current_item; /////////////////////////////////////////////////////////////////////////// /** *

add an item (used internally as PDF page decoded). * @param image_name the name of the image * @param current_page_id the id value of the page * @param x1 x co-ordinates of the image * @param y1 y co-ordinates of the image * @param w1 width of the image * @param h1 height of the image */ public final void setImageInfo( String image_name, final int current_page_id, final float x1, final float y1, final float w1, final float h1) { //Remove slashes or troublesome characters from image name. Same rules as ObjectStore.cleanString. image_name = org.jpedal.io.ObjectStore.removeIllegalFileNameCharacters(image_name); object_page_id.addElement( current_page_id ); //name of image object_image_name.addElement( image_name ); //store shape co-ords x.addElement( x1 ); y.addElement( y1 ); h.addElement( h1 ); w.addElement( w1 ); current_item++; } /////////////////////////////////////////////////////////////////// /** * get Y co-ord for image in pixels (user coords) * @param i pixel value of the image * @return Y co-ord for image in pixels */ public final float getImageYCoord( final int i ) { return y.elementAt( i ); } /////////////////////////////////////////////////////////////////// /** * get width for image in pixels * @param i pixel value of the image * @return width co-ord for image in pixels */ public final float getImageWidth( final int i ) { return w.elementAt( i ); } /////////////////////////////////////////////////////////////////// /** * get height for image in pixels * @param i pixel value of the image * @return height co-ord for image in pixels */ public final float getImageHeight( final int i ) { return h.elementAt( i ); } ////////////////////////////////////////////////////////////////////////// /** * get object page id (ie sequential * number of page) * @param i value for the page id * @return object page id */ public final int getImagePageID( final int i ) { return object_page_id.elementAt( i ); } ////////////////////////////////////////////////////////////////////////// /** * get image name created from raw data * @param i value of raw data * @return image name */ public final String getImageName( final int i ) { return object_image_name.elementAt( i ); } ///////////////////////////////////////////////////////////////////////// /** * clear object and reset (does not flush images from disk cache held by ObjectStore) */ public final void clearImageData() { object_image_name.clear(); object_page_id.clear(); x.clear(); y.clear(); w.clear(); h.clear(); current_item = 0; } /////////////////////////////////////////////////////////////////// /** * get X co-ord for image in pixels (user coords) * @param i pixel value of the image * @return x co-ord for image in pixels */ public final float getImageXCoord( final int i ) { return x.elementAt( i ); } //////////////////////////////////////////////////////////////////////// /** *

return the number of images. *

Note image1 is item 0, image2 is item 1 forget methods * @return return the number of images */ public final int getImageCount() { return current_item; } }





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