org.jpedal.external.GlyphTracker Maven / Gradle / Ivy

/*
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/support/
 *
 * (C) Copyright 1997-2017 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


 *
 * ---------------
 * GlyphTracker.java
 * ---------------
 */
package org.jpedal.external;

/**
 * allow user to recieve raw glyph data as generated
 */

public interface GlyphTracker {

    /**
     * pass user the low-level details
     *
     * @param trm             - the Trm matrix (x,y is Trm[2][0], Trm[2][1]), other values are width (usually Trm[0][0] unless
     *                        rotated when could be Trm[0][1]) and height (usually Trm[1][1] or sometimes Trm[1][0]) Trm is defined in PDF
     *                        specification
     * @param rawInt          - value found in TJ command (usually encoded)
     * @param displayValue    - unicode display value from rawInt
     * @param extractionValue - unicode display value from rawInt
     */
    void addGlyph(float[][] trm, int rawInt, String displayValue, String extractionValue);
}