用BCB 画 Code128 B模式条码

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
#include <string>
#include <vector>
#include <map>
#include <Graphics.hpp>
using namespace std;
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------

map<int,AnsiString> g_codemap;

bool FillCodeMap(void)
{
    if(!g_codemap.empty())
    return true;

    g_codemap[32]="11011001100";
    g_codemap[33]="11001101100";
    g_codemap[34]="11001100110";
    g_codemap[35]="10010011000";
    g_codemap[36]="10010001100";
    g_codemap[37]="10001001100";
    g_codemap[38]="10011001000";
    g_codemap[39]="10011000100";
    g_codemap[40]="10001100100";
    g_codemap[41]="11001001000";
    g_codemap[42]="11001000100";
    g_codemap[43]="11000100100";
    g_codemap[44]="10110011100";
    g_codemap[45]="10011011100";
    g_codemap[46]="10011001110";
    g_codemap[47]="10111001100";
    g_codemap[48]="10011101100";
    g_codemap[49]="10011100110";
    g_codemap[50]="11001110010";
    g_codemap[51]="11001011100";
    g_codemap[52]="11001001110";
    g_codemap[53]="11011100100";
    g_codemap[54]="11001110100";
    g_codemap[55]="11101101110";
    g_codemap[56]="11101001100";
    g_codemap[57]="11100101100";
    g_codemap[58]="11100100110";
    g_codemap[59]="11101100100";
    g_codemap[60]="11100110100";
    g_codemap[61]="11100110010";
    g_codemap[62]="11011011000";
    g_codemap[63]="11011000110";
    g_codemap[64]="11000110110";
    g_codemap[65]="10100011000";
    g_codemap[66]="10001011000";
    g_codemap[67]="10001000110";
    g_codemap[68]="10110001000";
    g_codemap[69]="10001101000";
    g_codemap[70]="10001100010";
    g_codemap[71]="11010001000";
    g_codemap[72]="11000101000";
    g_codemap[73]="11000100010";
    g_codemap[74]="10110111000";
    g_codemap[75]="10110001110";
    g_codemap[76]="10001101110";
    g_codemap[77]="10111011000";
    g_codemap[78]="10111000110";
    g_codemap[79]="10001110110";
    g_codemap[80]="11101110110";
    g_codemap[81]="11010001110";
    g_codemap[82]="11000101110";
    g_codemap[83]="11011101000";
    g_codemap[84]="11011100010";
    g_codemap[85]="11011101110";
    g_codemap[86]="11101011000";
    g_codemap[87]="11101000110";
    g_codemap[88]="11100010110";
    g_codemap[89]="11101101000";
    g_codemap[90]="11101100010";
    g_codemap[91]="11100011010";
    g_codemap[92]="11101111010";
    g_codemap[93]="11001000010";
    g_codemap[94]="11110001010";
    g_codemap[95]="10100110000";
    g_codemap[96]="10100001100";
    g_codemap[97]="10010110000";
    g_codemap[98]="10010000110";
    g_codemap[99]="10000101100";
    g_codemap[100]="10000100110";
    g_codemap[101]="10110010000";
    g_codemap[102]="10110000100";
    g_codemap[103]="10011010000";
    g_codemap[104]="10011000010";
    g_codemap[105]="10000110100";
    g_codemap[106]="10000110010";
    g_codemap[107]="11000010010";
    g_codemap[108]="11001010000";
    g_codemap[109]="11110111010";
    g_codemap[110]="11000010100";
    g_codemap[111]="10001111010";
    g_codemap[112]="10100111100";
    g_codemap[113]="10010111100";
    g_codemap[114]="10010011110";
    g_codemap[115]="10111100100";
    g_codemap[116]="10011110100";
    g_codemap[117]="10011110010";
    g_codemap[118]="11110100100";
    g_codemap[119]="11110010100";
    g_codemap[120]="11110010010";
    g_codemap[121]="11011011110";
    g_codemap[122]="11011110110";
    g_codemap[123]="11110110110";
    g_codemap[124]="10101111000";
    g_codemap[125]="10100011110";
    g_codemap[126]="10001011110";
    g_codemap[195]="10111101000";
    g_codemap[196]="10111100010";
    g_codemap[197]="11110101000";
    g_codemap[198]="11110100010";
    g_codemap[199]="10111011110";
    g_codemap[200]="10111101110";
    g_codemap[201]="11101011110";
    g_codemap[202]="11110101110";
    g_codemap[203]="11010000100";
    g_codemap[204]="11010010000";
    g_codemap[205]="11010011100";
    g_codemap[206]="1100011101011";
    g_codemap[207]="11011001100";

    return true;
}

AnsiString Get128CodeString(AnsiString inputData)
{

    int checksum = 104;
    char* arry = inputData.c_str();
    for (int  i = 0 ; i < inputData.Length() ;i++)
    {

        char a = *(arry + i);
        if (a + 1 >=32)
        {
            checksum += (a - 32) * (i + 1);
        }
        else
        {
            checksum += (a + 64) * (i + 1);
        }
    }
    
    checksum = checksum % 103;
    if (checksum < 95)
    {
        checksum += 32;
    }
    else
    {
        checksum += 100;
    }

    vector<int> nV;

    nV.push_back(204);
    for (int i = 0 ; i < inputData.Length() ;i++)
    {
        char *p =  inputData.c_str() + i;
        nV.push_back(*p);
    }

    nV.push_back(checksum);
    nV.push_back(206);
    FillCodeMap();

    AnsiString reuslt = "";
    for (int i =0 ; i < nV.size() ;i++)
    {
        reuslt += g_codemap[ nV[i] ];
    }
    return reuslt;

}
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    AnsiString text = "A012345678901234567";
    text = Get128CodeString(text);

    Graphics::TBitmap* bitmap = new Graphics::TBitmap();
    bitmap->Height = 100;
    int width = 2;
    for (int i =0 ; i < text.Length() ;i++)
    {
        bitmap->Width += width;
        char a = *(text.c_str() + i);
        bitmap->Canvas->Pen->Width = width;
        if (a == '0')
        {
            bitmap->Canvas->Pen->Color = clWhite;
        }
        else if (a == '1')
        {
            bitmap->Canvas->Pen->Color = clBlack;
        }

         bitmap->Canvas->MoveTo(i*width,0);
         bitmap->Canvas->LineTo(i*width,bitmap->Height);
    }
    bitmap->SaveToFile("1.bmp");
    Image1->Picture->Bitmap->Assign(bitmap);
    delete bitmap;
}
//---------------------------------------------------------------------------

效果，可以用手机二维码扫描试试是什么内容。

参考地址：https://bbs.csdn.net/topics/350125614