datamatrix.java

著名IDAutomation公司的JAVA条码控件源码

package com.idautomation.barcode.datamatrix;

import java.awt.*;
import java.awt.image.MemoryImageSource;
import java.awt.image.PixelGrabber;
import java.io.PrintStream;
import java.io.Serializable;
import java.util.Calendar;

public class DataMatrix extends Canvas
    implements Serializable
{
    private class charPlacer
    {

        public int nrow;
        public int ncol;
        public int array[];

        private void utah(int i, int j, int k)
        {
            module(i - 2, j - 2, k, 1);
            module(i - 2, j - 1, k, 2);
            module(i - 1, j - 2, k, 3);
            module(i - 1, j - 1, k, 4);
            module(i - 1, j, k, 5);
            module(i, j - 2, k, 6);
            module(i, j - 1, k, 7);
            module(i, j, k, 8);
        }

        private void corner1(int i)
        {
            module(nrow - 1, 0, i, 1);
            module(nrow - 1, 1, i, 2);
            module(nrow - 1, 2, i, 3);
            module(0, ncol - 2, i, 4);
            module(0, ncol - 1, i, 5);
            module(1, ncol - 1, i, 6);
            module(2, ncol - 1, i, 7);
            module(3, ncol - 1, i, 8);
        }

        private void corner2(int i)
        {
            module(nrow - 3, 0, i, 1);
            module(nrow - 2, 0, i, 2);
            module(nrow - 1, 0, i, 3);
            module(0, ncol - 4, i, 4);
            module(0, ncol - 3, i, 5);
            module(0, ncol - 2, i, 6);
            module(0, ncol - 1, i, 7);
            module(1, ncol - 1, i, 8);
        }

        private void corner3(int i)
        {
            module(nrow - 3, 0, i, 1);
            module(nrow - 2, 0, i, 2);
            module(nrow - 1, 0, i, 3);
            module(0, ncol - 2, i, 4);
            module(0, ncol - 1, i, 5);
            module(1, ncol - 1, i, 6);
            module(2, ncol - 1, i, 7);
            module(3, ncol - 1, i, 8);
        }

        private void corner4(int i)
        {
            module(nrow - 1, 0, i, 1);
            module(nrow - 1, ncol - 1, i, 2);
            module(0, ncol - 3, i, 3);
            module(0, ncol - 2, i, 4);
            module(0, ncol - 1, i, 5);
            module(1, ncol - 3, i, 6);
            module(1, ncol - 2, i, 7);
            module(1, ncol - 1, i, 8);
        }

        public void make()
        {
            int i = 1;
            int j = 4;
            int k = 0;
            for(int l = 0; l < nrow; l++)
            {
                for(int i1 = 0; i1 < ncol; i1++)
                    array[l * ncol + i1] = 0;

            }

            do
            {
                if(j == nrow && k == 0)
                    corner1(i++);
                if(j == nrow - 2 && k == 0 && ncol % 4 != 0)
                    corner2(i++);
                if(j == nrow - 2 && k == 0 && ncol % 8 == 4)
                    corner3(i++);
                if(j == nrow + 4 && k == 2 && ncol % 8 == 0)
                    corner4(i++);
                do
                {
                    if(j < nrow && k >= 0 && array[j * ncol + k] == 0)
                        utah(j, k, i++);
                    j -= 2;
                    k += 2;
                } while(j >= 0 && k < ncol);
                j++;
                k += 3;
                do
                {
                    if(j >= 0 && k < ncol && array[j * ncol + k] == 0)
                        utah(j, k, i++);
                    j += 2;
                    k -= 2;
                } while(j < nrow && k >= 0);
                j += 3;
                k++;
            } while(j < nrow || k < ncol);
            if(array[nrow * ncol - 1] == 0)
                array[nrow * ncol - 1] = array[nrow * ncol - ncol - 2] = 1;
        }

        private void module(int i, int j, int k, int l)
        {
            if(i < 0)
            {
                i += nrow;
                j += 4 - (nrow + 4) % 8;
            }
            if(j < 0)
            {
                j += ncol;
                i += 4 - (ncol + 4) % 8;
            }
            array[i * ncol + j] = 10 * k + l;
        }

        private charPlacer()
        {
        }

        charPlacer(_cls1 _pcls1)
        {
            this();
        }
    }


    public String code;
    protected static final int d1 = 3;
    public double marginCM;
    protected int leftMarginPixels;
    protected int topMarginPixels;
    private int endOfCode;
    private int suplementTopMargin;
    public Color backColor;
    public String codeText;
    protected int narrowBarPixels;
    protected int widthBarPixels;
    protected double narrowBarCM;
    protected double widthBarCM;
    public int resolution;
    protected int barHeightPixels;
    public double N;
    public double X;
    public int width;
    public int height;
    public int pWidth;
    public int pHeight;
    public boolean autoSize;
    public Font textFont;
    public Color fontColor;
    public Color barColor;
    public double I;
    public double H;
    public double L;
    public int rotate;
    protected int currentX;
    protected int currentY;
    private int extraHeight;
    public int dotPixels;
    public int margin;
    public boolean processTilde;
    public int encoding;
    public static int E_AUTO = 5;
    public static int E_ASCII = 0;
    public static int E_C40 = 1;
    public static int E_TEXT = 2;
    public static int E_BASE256 = 3;
    public static int E_NONE = 4;
    public boolean reBuild;
    private String internalCode;
    private int bitmap[][];
    public int preferredFormat;
    public static final int C10X10 = 0;
    public static final int C12X12 = 1;
    public static final int C14X14 = 2;
    public static final int C16X16 = 3;
    public static final int C18X18 = 4;
    public static final int C20X20 = 5;
    public static final int C22X22 = 6;
    public static final int C24X24 = 7;
    public static final int C26X26 = 8;
    public static final int C32X32 = 9;
    public static final int C36X36 = 10;
    public static final int C40X40 = 11;
    public static final int C44X44 = 12;
    public static final int C48X48 = 13;
    public static final int C52X52 = 14;
    public static final int C64X64 = 15;
    public static final int C72X72 = 16;
    public static final int C80X80 = 17;
    public static final int C88X88 = 18;
    public static final int C96X96 = 19;
    public static final int C104X104 = 20;
    public static final int C120X120 = 21;
    public static final int C132X132 = 22;
    public static final int C144X144 = 23;
    public static final int C8X18 = 24;
    public static final int C8X32 = 25;
    public static final int C12X26 = 26;
    public static final int C12X36 = 27;
    public static final int C16X36 = 28;
    public static final int C16X48 = 29;
    private int currentEncoding;
    private static int C0[][] = {
        {
            10, 10, 8, 8, 1, 8, 8, 3, 5, 3,
            5, 1
        }, {
            12, 12, 10, 10, 1, 10, 10, 5, 7, 5,
            7, 1
        }, {
            14, 14, 12, 12, 1, 12, 12, 8, 10, 8,
            10, 1
        }, {
            16, 16, 14, 14, 1, 14, 14, 12, 12, 12,
            12, 1
        }, {
            18, 18, 16, 16, 1, 16, 16, 18, 14, 18,
            14, 1
        }, {
            20, 20, 18, 18, 1, 18, 18, 22, 18, 22,
            18, 1
        }, {
            22, 22, 20, 20, 1, 20, 20, 30, 20, 30,
            20, 1
        }, {
            24, 24, 22, 22, 1, 22, 22, 36, 24, 36,
            24, 1
        }, {
            26, 26, 24, 24, 1, 24, 24, 44, 28, 44,
            28, 1
        }, {
            32, 32, 14, 14, 4, 28, 28, 62, 36, 62,
            36, 1
        }, {
            36, 36, 16, 16, 4, 32, 32, 86, 42, 86,
            42, 1
        }, {
            40, 40, 18, 18, 4, 36, 36, 114, 48, 114,
            48, 1
        }, {
            44, 44, 20, 20, 4, 40, 40, 144, 56, 144,
            56, 1
        }, {
            48, 48, 22, 22, 4, 44, 44, 174, 68, 174,
            68, 1
        }, {
            52, 52, 24, 24, 4, 48, 48, 204, 84, 102,
            42, 2
        }, {
            64, 64, 14, 14, 16, 56, 56, 280, 112, 140,
            56, 2
        }, {
            72, 72, 16, 16, 16, 64, 64, 368, 144, 92,
            36, 4
        }, {
            80, 80, 18, 18, 16, 72, 72, 456, 192, 114,
            48, 4
        }, {
            88, 88, 20, 20, 16, 80, 80, 576, 224, 144,
            56, 4
        }, {
            96, 96, 22, 22, 16, 88, 88, 696, 272, 174,
            68, 4
        }, {
            104, 104, 24, 24, 16, 96, 96, 816, 336, 136,
            56, 6
        }, {
            120, 120, 18, 18, 36, 108, 108, 1050, 496, 175,
            68, 6
        }, {
            132, 132, 20, 20, 36, 120, 120, 1304, 496, 163,
            62, 8
        }, {
            144, 144, 22, 22, 36, 132, 132, 1558, 620, 156,
            62, 10
        }, {
            8, 18, 6, 16, 1, 6, 16, 5, 7, 5,
            7, 1
        }, {
            8, 32, 6, 14, 2, 6, 28, 10, 11, 10,
            11, 1
        }, {
            12, 26, 10, 24, 1, 10, 24, 16, 14, 16,
            14, 1
        }, {
            12, 36, 10, 16, 2, 10, 32, 22, 18, 22,
            18, 1
        }, {
            16, 36, 14, 16, 2, 14, 32, 32, 24, 32,
            24, 1
        }, {
            16, 48, 14, 22, 2, 14, 44, 49, 28, 49,
            28, 1
        }
    };
    private int rows;
    private int cols;
    private int datarows;
    private int datacols;
    private int maprows;
    private int mapcols;
    private int regions;
    private int totaldata;
    private int totalerr;
    private int reeddata;
    private int reederr;
    private int reedblocks;
    private int C49rest;
    private static int C1[][] = {
        {
            0, 0
        }, {
            0, 1
        }, {
            0, 2
        }, {
            0, 3
        }, {
            0, 4
        }, {
            0, 5
        }, {
            0, 6
        }, {
            0, 7
        }, {
            0, 8
        }, {
            0, 9
        }, {
            0, 10
        }, {
            0, 11
        }, {
            0, 12
        }, {
            0, 13
        }, {
            0, 14
        }, {
            0, 15
        }, {
            0, 16
        }, {
            0, 17
        }, {
            0, 18
        }, {
            0, 19
        }, {
            0, 20
        }, {
            0, 21
        }, {
            0, 22
        }, {
            0, 23
        }, {
            0, 24
        }, {
            0, 25
        }, {
            0, 26
        }, {
            0, 27
        }, {
            0, 28
        }, {
            0, 29
        }, {
            0, 30
        }, {
            0, 31
        }, {
            3
        }, {
            1, 0
        }, {
            1, 1
        }, {
            1, 2
        }, {
            1, 3
        }, {
            1, 4
        }, {
            1, 5
        }, {
            1, 6
        }, {
            1, 7
        }, {
            1, 8
        }, {
            1, 9
        }, {
            1, 10
        }, {
            1, 11
        }, {
            1, 12
        }, {
            1, 13
        }, {
            1, 14
        }, {
            4
        }, {
            5
        }, {
            6
        }, {
            7
        }, {
            8
        }, {
            9
        }, {
            10
        }, {
            11
        }, {
            12
        }, {
            13
        }, {
            1, 15
        }, {
            1, 16
        }, {
            1, 17
        }, {
            1, 18
        }, {
            1, 19
        }, {
            1, 20
        }, {
            1, 21
        }, {
            14
        }, {
            15
        }, {
            16
        }, {
            17
        }, {
            18
        }, {
            19
        }, {
            20
        }, {
            21
        }, {
            22
        }, {
            23
        }, {
            24
        }, {
            25
        }, {
            26
        }, {
            27
        }, {
            28
        }, {