org.jpedal.fonts.glyph.T3Glyphs Maven / Gradle / Ivy

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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 1997-2017 IDRsolutions and Contributors.
 *
 * This file is part of JPedal/JPDF2HTML5
 *
 @LICENSE@
 *
 * ---------------
 * T3Glyphs.java
 * ---------------
 */
package org.jpedal.fonts.glyph;

public class T3Glyphs extends PdfJavaGlyphs {

    /**
     * holds lookup to type 3 charProcs
     */
    private final PdfGlyph[] charProcs = new PdfGlyph[256];

    /**
     * template used by t1/tt fonts
     */
    @Override
    public PdfGlyph getEmbeddedGlyph(final GlyphFactory factory, final String glyph, final float[][] Trm, final int rawInt, final String displayValue, final float currentWidth, final String key) {

		/*flush cache if needed*/
        if ((lastTrm[0][0] != Trm[0][0]) | (lastTrm[1][0] != Trm[1][0]) |
                (lastTrm[0][1] != Trm[0][1]) | (lastTrm[1][1] != Trm[1][1])) {
            lastTrm = Trm;
            flush();
        }

        //either calculate the glyph to draw or reuse if alreasy drawn
        PdfGlyph transformedGlyph2 = getEmbeddedCachedShape(rawInt);

        if (transformedGlyph2 == null) {

            //shape to draw onto
            transformedGlyph2 = charProcs[rawInt];

            //save so we can reuse if it occurs again in this TJ command
            setEmbeddedCachedShape(rawInt, transformedGlyph2);

        }

        return transformedGlyph2;
    }

    // make key Integer and don't lookup Glyph on T3 and make charProcs an array with int key
    @Override
    public void setT3Glyph(final int key, final int altKey, final PdfGlyph glyph) {

        charProcs[key] = glyph;

        if (altKey != -1 && charProcs[altKey] == null) {
            charProcs[altKey] = glyph;
        }

        //debug code
//       BufferedImage img=new BufferedImage(40, 40, BufferedImage.TYPE_INT_ARGB);
//       Graphics2D g2=img.createGraphics();
//       g2.setPaint(Color.GREEN);
//       g2.fillRect(0,0,img.getWidth(),img.getHeight());
//       glyph.render(0,g2,1);
//
//       if(key==49)
//       ShowGUIMessage.showGUIMessage("x",img,"x");

    }
}