org.jpedal.parser.T3Decoder 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


 *
 * ---------------
 * T3Decoder.java
 * ---------------
 */
package org.jpedal.parser;

public class T3Decoder extends BaseDecoder {

    /**
     * max width of type3 font
     */
    int T3maxWidth;
    int T3maxHeight;

    protected CommandParser parser;

    //public void setParameters(boolean isPageContent, boolean renderPage, int renderMode, int extractionMode, boolean isPrinting) {

    //    super.setParameters(isPageContent,renderPage, renderMode, extractionMode);

    //}

    /**
     * shows if t3 glyph uses internal colour or current colour
     */
    boolean ignoreColors;

    public void setCommands(final CommandParser parser) {
        this.parser = parser;
    }


    private void d1(final float urX, final float llX, final float wX, final float urY, final float llY, final float wY) {

        //flag to show we use text colour or colour in stream
        ignoreColors = true;

	    /**/
        //not fully implemented
        //float urY = Float.parseFloat(generateOpAsString(0,characterStream));
        //float urX = Float.parseFloat(generateOpAsString(1,characterStream));
        //float llY = Float.parseFloat(generateOpAsString(2,characterStream));
        //float llX = Float.parseFloat(generateOpAsString(3,characterStream));
        //float wY = Float.parseFloat(generateOpAsString(4,characterStream));
        //float wX = Float.parseFloat(generateOpAsString(5,characterStream));
        /**/

        //this.minX=(int)llX;
        //this.minY=(int)llY;

        //currentGraphicsState = new GraphicsState(0,0);/*remove values on contrutor%%*/

        //setup image to draw on
        //current.init((int)(wX),(int)(urY-llY+1));

        //wH=urY;
        //wW=llX;

        T3maxWidth = (int) wX;
        if (wX == 0) {
            T3maxWidth = (int) (llX - urX);
        } else {
            T3maxWidth = (int) wX; //Float.parseFloat(generateOpAsString(5,characterStream));
        }

        T3maxHeight = (int) wY;
        if (wY == 0) {
            T3maxHeight = (int) (urY - llY);
        } else {
            T3maxHeight = (int) wY; //Float.parseFloat(generateOpAsString(5,characterStream));
        }
    }

    ////////////////////////////////////////////////////////////////////////
    private void d0(final int w, final int y) {

        //flag to show we use text colour or colour in stream
        ignoreColors = false;

        //float glyphX = Float.parseFloat((String) operand.elementAt(0));
        T3maxWidth = w;
        T3maxHeight = y;

        //setup image to draw on
        //current.init((int)glyphX,(int)glyphY);

    }

    public void processToken(final int commandID) {
        switch (commandID) {

            case Cmd.d0:
                d0((int) parser.parseFloat(0), (int) parser.parseFloat(1));
                break;

            case Cmd.d1:
                d1(parser.parseFloat(1), parser.parseFloat(3), parser.parseFloat(5),
                        parser.parseFloat(0), parser.parseFloat(2), parser.parseFloat(4));
                break;
        }

    }

}