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| #include "StdAfx.h"
#include "fcodebar39.h"
int FCodeBar39::BC39_Decode(char letter)
{
int code;
switch(letter){
case '*':code = 0x0094;break;
case '1':code = 0x0121;break;
case '2':code = 0x0061;break;
case '3':code = 0x0160;break;
case '4':code = 0x0031;break;
case '5':code = 0x0130;break;
case '6':code = 0x0070;break;
case '7':code = 0x0025;break;
case '8':code = 0x0124;break;
case '9':code = 0x0064;break;
case '0':code = 0x0034;break;
case 'A':code = 0x0109;break;
case 'B':code = 0x0049;break;
case 'C':code = 0x0148;break;
case 'D':code = 0x0019;break;
case 'E':code = 0x0118;break;
case 'F':code = 0x0058;break;
case 'G':code = 0x000D;break;
case 'H':code = 0x010C;break;
case 'I':code = 0x004C;break;
case 'J':code = 0x001C;break;
case 'K':code = 0x0103;break;
case 'L':code = 0x0043;break;
case 'M':code = 0x0142;break;
case 'N':code = 0x0013;break;
case 'O':code = 0x0112;break;
case 'P':code = 0x0052;break;
case 'Q':code = 0x0007;break;
case 'R':code = 0x0106;break;
case 'S':code = 0x0046;break;
case 'T':code = 0x0016;break;
case 'U':code = 0x0181;break;
case 'V':code = 0x00C1;break;
case 'W':code = 0x01C0;break;
case 'X':code = 0x0091;break;
case 'Y':code = 0x0190;break;
case 'Z':code = 0x00D0;break;
case '-':code = 0x0085;break;
case '.':code = 0x0184;break;
case ' ':code = 0x00C4;break;
case '$':code = 0x00A8;break;
case '/':code = 0x00A2;break;
case '+':code = 0x008A;break;
case '%':code = 0x002A;break;
default: code = 0x0000;
}
return code;
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
void FCodeBar39::BC39_Expand(int code,char* wn)
{
if(code & 0x0100){wn[0]='W';}else{wn[0]='N';}
if(code & 0x0080){wn[1]='W';}else{wn[1]='N';}
if(code & 0x0040){wn[2]='W';}else{wn[2]='N';}
if(code & 0x0020){wn[3]='W';}else{wn[3]='N';}
if(code & 0x0010){wn[4]='W';}else{wn[4]='N';}
if(code & 0x0008){wn[5]='W';}else{wn[5]='N';}
if(code & 0x0004){wn[6]='W';}else{wn[6]='N';}
if(code & 0x0002){wn[7]='W';}else{wn[7]='N';}
if(code & 0x0001){wn[8]='W';}else{wn[8]='N';}
wn[9]='N';
wn[10]=0x00;
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
int FCodeBar39::BC39_Draw(CDC* pDC,RECT* rect,BOOL HORIZ)
{
char bcarray[400];
char wn[11];
char textcopy[100];
int j,i_code,i_strlen,i_barwidth;
int i_numchars;
double d_xdim,d_offset,d_taillebarcode;
HPEN holdpen;
HBRUSH holdbrush;
//si texte > 30 caractere on imprime pas le code à barre
strcpy(textcopy,m_value);
if(strlen(textcopy)>30){
return 1;
}
//passe le texte en upper case
strcpy(bcarray,"");
strupr(textcopy);
//charge la table des codes
i_code=BC39_Decode('*');
BC39_Expand(i_code,wn);
strcpy(bcarray,wn);
//concatene tous les codes sous forme de chaines
for(j=0;j<(int)(strlen(textcopy));j++){
i_code=BC39_Decode(textcopy[j]);
if(i_code){
BC39_Expand(i_code,wn);
strcat(bcarray,wn);
}
}
i_code=BC39_Decode('*');
BC39_Expand(i_code,wn);
strcat(bcarray,wn);
//calcul le nb de caractéres necessaires; 10 bytes par caractere
i_numchars=(int)(strlen(bcarray)/10);
//selectionne type de pinceau et type de remplissage
holdbrush=(HBRUSH)SelectObject(pDC->m_hDC,GetStockObject(BLACK_BRUSH));
holdpen=(HPEN)SelectObject(pDC->m_hDC,GetStockObject(BLACK_PEN));
i_strlen=strlen(bcarray);
d_offset=0;
//calcul la taille intrinseque d'une minibarre
d_xdim=0;
d_taillebarcode=0;
for(j=0;j<i_strlen;j++){
if(bcarray[j]=='W'){
d_taillebarcode+=3;
}
else{
d_taillebarcode+=1;
}
}
//impression du code barre horizontal
if(HORIZ){
d_xdim=(rect->right-rect->left)/d_taillebarcode;
for(j=0;j<i_strlen;j++){
if(((j/2)*2)==j){
//si c'est une barre
if(bcarray[j]=='W'){
//dessine une barre pleine
i_barwidth=(int)(d_xdim*3);
Rectangle(pDC->m_hDC,rect->left+(int)d_offset,rect->top,rect->left+(int)d_offset+i_barwidth,rect->bottom);
d_offset+=(d_xdim*3);
}
else{
//dessine une barre vide
i_barwidth=(int)d_xdim;
Rectangle(pDC->m_hDC,rect->left+(int)d_offset,rect->top,rect->left+(int)d_offset+i_barwidth,rect->bottom);
d_offset+=(d_xdim);
}
}
else{
//laisse un espace blanc
if(bcarray[j]=='W'){
d_offset+=(d_xdim*3);
}
else{
d_offset+=(d_xdim);
}
}
}
}
else{ //impression verticale
d_xdim=(rect->bottom-rect->top)/d_taillebarcode;
for(j=0;j<i_strlen;j++){
if(((j/2)*2)==j){
//si c'est une barre
if(bcarray[j]=='W'){
//dessine une barre pleine
i_barwidth=(int)(d_xdim*3);
Rectangle(pDC->m_hDC,rect->left,rect->top+(int)d_offset,rect->right,rect->top+(int)d_offset+i_barwidth);
d_offset+=(d_xdim*3);
}
else{
//dessine une barre vide
i_barwidth=(int)d_xdim;
Rectangle(pDC->m_hDC,rect->left,rect->top+(int)d_offset,rect->right,rect->top+(int)d_offset+i_barwidth);
d_offset+=(d_xdim);
}
}
else{
//laisse un espace blanc
if(bcarray[j]=='W'){
d_offset+=(d_xdim*3);
}
else{
d_offset+=(d_xdim);
}
}
}
}
SelectObject(pDC->m_hDC,holdpen);
SelectObject(pDC->m_hDC,holdbrush);
return 0;
} |
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