barcode.java

遗传算法改进神经网络源程序 该小程序可以添加条形码功能到你的网页或者applet上,这个applet把大写字母和数字转换为标准的条形码。

// Decompiled by DJ v3.7.7.81 Copyright 2004 Atanas Neshkov  Date: 2007-11-23 16:17:22
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   Barcode.java

package com.bokai.barcodes;

import com.bokai.drawing.*;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.MemoryImageSource;
import java.io.*;
import java.util.Enumeration;
import java.util.NoSuchElementException;

// Referenced classes of package com.bokai.barcodes:
//            BarcodeExtraTextPosition, BarcodeFileLicense, BarcodeLicense, BarcodeNotSupportedException, 
//            BarcodePainter, BarcodeSpec, BarcodeSymbol, BarcodeType, 
//            C2of5, CheckCharShowMode, Codabar, Code11, 
//            Code11Check, Code11DoubleCheck, Code128A, Code128Auto, 
//            Code128B, Code128C, Code39, Code39Check, 
//            Code39CheckExtended, Code39Extended, Code93, Code93Extended, 
//            EAN128A, EAN128Auto, EAN128B, EAN128C, 
//            EAN128CCheck10, EAN128CCheck10AI2, EAN128CCheck10AI3, EAN128CCheck10AI4, 
//            EAN13, EAN13_2, EAN13_5, EAN14, 
//            EAN8, EAN8_2, EAN8_5, ISBN, 
//            ISBN_5, ISSN, ISSN_2, ITF, 
//            ITF14, ITFMod10, ITFMod10Wt12, ITFMod10Wt21, 
//            Identcode, ImageEncoder, InvalidAddOnDataException, InvalidDataException, 
//            JpgEncoder, Leitcode, MSI, MsiCheck10, 
//            MsiCheck1010, MsiCheck11, MsiCheck1110, Planet, 
//            PngEncoder, Postnet, RM4SCCNoCheck, RoyalMail, 
//            SSCC18, Telepen, TelepenNumeric, UPCA, 
//            UPCA_2, UPCA_5, UPCE, UPCE_2, 
//            UPCE_5, BarEnumerator, Bar, Bars, 
//            CharDef

public class Barcode
{
    class BarEnumerator1
        implements BarEnumerator
    {

        public boolean nextBar(Bar bar)
        {
            int i = _symbol.getStyle();
            if(_bEnumStart)
            {
                _bEnumStart = false;
                _more = _bcenum.nextBars(_bars, _charDefBuffer);
                int l = _bars.getCharDef().BCGETNUMSTRIPE();
                _iBarInd = l - 1;
                _nmWth = 0;
            } else
            {
                if(!_more)
                    return false;
                if(_iBarInd == -1)
                {
                    _more = _bcenum.nextBars(_bars, _charDefBuffer);
                    if(!_more)
                        return false;
                    int i1 = _bars.getCharDef().BCGETNUMSTRIPE();
                    _iBarInd = i1 - 1;
                    _nmWth = 0;
                }
            }
            do
            {
                int l1 = 0;
                int k = -1;
                int i2 = 0;
                for(int k1 = _iBarInd; k1 >= 0; k1--)
                {
                    int j = _bars.getCharDef().BCGETSTRIPE(k1);
                    if(CharDef.BCSTRIPEISBAR(j))
                    {
                        l1 = CharDef.BCSTRIPEWTHIND(j);
                        if(k == -1)
                            k = _nmWth;
                        if((i & 0x10000) != 0)
                            _nmWth += _anmBarWidth[0];
                        else
                            _nmWth += _anmBarWidth[l1];
                        if(k1 == 0)
                            i2 = _nmWth - k;
                    } else
                    {
                        if(k != -1)
                            i2 = _nmWth - k;
                        if((i & 0x10000) != 0)
                            _nmWth += _anmSpaceWidth[0];
                        else
                            _nmWth += _anmSpaceWidth[CharDef.BCSTRIPEWTHIND(j)];
                    }
                    if(i2 > 0)
                    {
                        int j2 = _bars.getStyle();
                        if((i & 0x10000) != 0)
                            if(getBarcodeType() == 22 || getBarcodeType() == 46)
                            {
                                if(l1 == 1)
                                    j2 |= 0x10;
                            } else
                            if(getBarcodeType() == 31 || getBarcodeType() == 56)
                                if(l1 == 1)
                                    j2 |= 0x20;
                                else
                                if(l1 == 2)
                                    j2 |= 0x40;
                                else
                                if(l1 == 3)
                                    j2 |= 0x10;
                        bar.setAll((_bars.getOffset() + k) * _iModuleWidth, i2 * _iModuleWidth, j2);
                        _iBarInd = k1 - 1;
                        return true;
                    }
                }

                _more = _bcenum.nextBars(_bars, _charDefBuffer);
                if(!_more)
                    return false;
                int j1 = _bars.getCharDef().BCGETNUMSTRIPE();
                _iBarInd = j1 - 1;
                _nmWth = 0;
            } while(true);
        }

        int _iModuleWidth;
        boolean _bEnumStart;
        int _iBarInd;
        int _nmWth;
        Bars _bars;
        CharDef _charDefBuffer;
        boolean _more;
        BarcodeSymbol.BarCharEnumerator _bcenum;
        int _anmBarWidth[];
        int _anmSpaceWidth[];

        BarEnumerator1(int i)
        {
            _iModuleWidth = i;
            _more = false;
            _bEnumStart = true;
            _bars = new Bars();
            _charDefBuffer = new CharDef();
            _bcenum = _symbol.enumerateBars();
            _anmBarWidth = new int[5];
            _anmSpaceWidth = new int[5];
            _symbol.getBarExts(_anmBarWidth, 5);
            _symbol.getSpaceExts(_anmSpaceWidth, 5);
        }
    }

    public static class BarcodeTypeEnumerator
        implements Enumeration
    {

        public boolean hasMoreElements()
        {
            return _current < 57;
        }

        public Object nextElement()
            throws NoSuchElementException
        {
            if(_current >= 57)
                throw new NoSuchElementException("BarcodeTypeEnumerator");
            else
                return Barcode._barcodeTypes[_current++];
        }

        int _current;

        BarcodeTypeEnumerator()
        {
            _current = 0;
        }
    }


    public Barcode()
        throws ClassNotFoundException, InstantiationException, IllegalAccessException, BarcodeNotSupportedException
    {
        this(6, 0);
    }

    public Barcode(int i)
        throws ClassNotFoundException, InstantiationException, IllegalAccessException, BarcodeNotSupportedException
    {
        this(i, 0);
    }

    public Barcode(int i, int j)
        throws ClassNotFoundException, InstantiationException, IllegalAccessException, BarcodeNotSupportedException
    {
        _extraTextPrefix = "";
        _defaultFont = new SimpleFont("SansSerif", 0, 11);
        _style = j;
        _symbol = null;
        if(_static_invalidLicenseShortText != null)
            _invalidLicenseShortText = _static_invalidLicenseShortText;
        else
            _invalidLicenseShortText = _license.getInvalidLicenseShortText();
        _extraTextPrefix = _license.getBarcodeExtraText();
        _bDataInvalid = false;
        _bAddOnDataInvalid = false;
        _invalidDataAction = 3;
        _throwDataError = false;
        _font = _defaultFont;
        _orientation = 0;
        _textAlign = 1;
        _addOnTextAlign = 0;
        _horzAlign = 0;
        _vertAlign = 0;
        _stretchText = true;
        _uniBarHeight = false;
        _showCode39StartStop = true;
        _upcSmallFont = true;
        _figureTransparent = false;
        _retainAspectRatio = false;
        _clrBack = SimpleColor.white;
        _clrFore = SimpleColor.black;
        _bPixelAlign = true;
        _checkCharShowMode = 0;
        _extraText = _extraTextPrefix;
        _extraTextPosition = -1;
        changeBarcodeType(i);
    }

    public static String ImageFormatToMimeType(int i)
    {
        if(i == 1)
            return "image/png";
        if(i == 3)
            return "image/jpeg";
        else
            return "image/png";
    }

    private SimpleDimension calcSimpleTextSize(SimpleGraphics simplegraphics, String s, SimpleFont simplefont)
    {
        if(simplefont != null)
            simplegraphics.setFont(simplefont);
        SimpleDimension simpledimension = BarcodePainter.drawMultilineAlignedChars(simplegraphics, s.toCharArray(), 0, s.length(), 0, 0, simplegraphics.getFontMetrics(), 0, true);
        return simpledimension;
    }

    private SimpleDimension calcTextSize(Graphics g, String s, SimpleFont simplefont)
    {
        SimpleGraphics simplegraphics = new SimpleGraphics(g);
        if(simplefont != null)
            simplegraphics.setFont(simplefont);
        SimpleDimension simpledimension = BarcodePainter.drawMultilineAlignedChars(simplegraphics, s.toCharArray(), 0, s.length(), 0, 0, simplegraphics.getFontMetrics(), 0, true);
        return simpledimension;
    }

    void changeBarcodeType(int i)
        throws ClassNotFoundException, InstantiationException, IllegalAccessException, BarcodeNotSupportedException
    {
        if(_symbol != null && _symbol.getBarcodeType() == i)
            return;
        int j;
        for(j = 0; j < _barcodeTypes.length; j++)
            if(i == _barcodeTypes[j].getType())
                break;

        if(j >= _barcodeTypes.length)
        {
            throw new BarcodeNotSupportedException(i);
        } else
        {
            _symbol = new BarcodeSymbol((BarcodeSpec)_barcodeTypes[j].getSpecClass().newInstance());
            return;
        }
    }

    static Class _mthclass$(String s)
    {
        try
        {
            return Class.forName(s);
        }
        catch(ClassNotFoundException classnotfoundexception)
        {
            throw new NoClassDefFoundError(classnotfoundexception.getMessage());
        }
    }

    public void draw(SimpleGraphics simplegraphics, SimpleRectangle simplerectangle)
    {
        draw(simplegraphics, simplerectangle, getDrawingAttributes(), getBackSimpleColor());
    }

    public void draw(SimpleGraphics simplegraphics, SimpleRectangle simplerectangle, long l, SimpleColor simplecolor)
    {
        draw(simplegraphics, simplerectangle, l, simplecolor, null);
    }

    public void draw(SimpleGraphics simplegraphics, SimpleRectangle simplerectangle, long l, SimpleColor simplecolor, String s)
    {
        int i = simplerectangle.width;
        int j = simplerectangle.height;
        if(s != null && (i == 0 || j == 0))
        {
            SimpleDimension simpledimension = calcSimpleTextSize(simplegraphics, s, null);
            if(i == 0)
                i = simpledimension.width;
            if(j == 0)
                j = simpledimension.height;
            simplerectangle.setSize(i, j);
        }
        drawHelper(simplegraphics, simplerectangle, l, simplecolor, s);
    }

    public void draw(SimpleGraphics simplegraphics, Rectangle rectangle, long l, Color color)
    {
        draw(simplegraphics, new SimpleRectangle(rectangle), l, new SimpleColor(color));
    }

    public void draw(Graphics g, Rectangle rectangle)
    {
        draw(g, rectangle, getDrawingAttributes(), getBackColor());
    }

    public void draw(Graphics g, Rectangle rectangle, long l, Color color)
    {
        draw(g, rectangle, l, color, null);
    }

    public void draw(Graphics g, Rectangle rectangle, long l, Color color, String s)
    {
        int i = rectangle.width;
        int j = rectangle.height;
        if(s != null && (i == 0 || j == 0))
        {
            SimpleDimension simpledimension = calcTextSize(g, s, null);
            if(i == 0)
                i = simpledimension.width;
            if(j == 0)
                j = simpledimension.height;
            rectangle.setSize(i, j);
        }
        drawHelper(new SimpleGraphics(g), new SimpleRectangle(rectangle), l, new SimpleColor(color), s);
    }

    public void drawHelper(SimpleGraphics simplegraphics, SimpleRectangle simplerectangle, long l, SimpleColor simplecolor, String s)
    {
        SimpleColor simplecolor1 = simplegraphics.getColor();
        SimpleFont simplefont = simplegraphics.getFont();
        String s1 = null;
        if(_invalidLicenseShortText != null)
            s1 = _invalidLicenseShortText;
        else
        if((_bDataInvalid || _bAddOnDataInvalid) && _invalidDataAction == 3)
            s1 = "Invalid Data";
        if(s1 != null)
        {
            simplegraphics.setColor(simplecolor);
            simplegraphics.drawRect(simplerectangle.x, simplerectangle.y, simplerectangle.width, simplerectangle.height);
            simplegraphics.setColor(simplecolor1);
            BarcodePainter.drawAlignedChars(simplegraphics, s1.toCharArray(), 0, s1.length(), simplerectangle.x + simplerectangle.width / 2, simplerectangle.y + simplerectangle.height / 2, simplegraphics.getFontMetrics(), 68);
        } else
        if(s != null)
        {
            simplegraphics.setColor(simplecolor);
            simplegraphics.drawRect(simplerectangle.x, simplerectangle.y, simplerectangle.width, simplerectangle.height);
            simplegraphics.setColor(simplecolor1);
            BarcodePainter.drawMultilineAlignedChars(simplegraphics, s.toCharArray(), 0, s.length(), simplerectangle.x + simplerectangle.width / 2, simplerectangle.y + simplerectangle.height / 2, simplegraphics.getFontMetrics(), 68, false);
        } else
        {
            BarcodePainter barcodepainter = new BarcodePainter(this, simplegraphics, simplerectangle, l, simplecolor);
            barcodepainter.draw();
        }