void SetFunctionModule(void)
{
int i, j;
// Position detection pattern
SetFinderPattern(0, 0);
SetFinderPattern(m_nSymbleSize - 7, 0);
SetFinderPattern(0, m_nSymbleSize - 7);
// Separator pattern position detection
for (i = 0; i < 8; i++) {
m_byModuleData[i][7] = m_byModuleData[7][i] = '\x20';
m_byModuleData[m_nSymbleSize - 8][i] = m_byModuleData[m_nSymbleSize - 8 + i][7] = '\x20';
m_byModuleData[i][m_nSymbleSize - 8] = m_byModuleData[7][m_nSymbleSize - 8 + i] = '\x20';
}
// Registration as part of a functional module position description format information
for (i = 0; i < 9; i++) {
m_byModuleData[i][8] = m_byModuleData[8][i] = '\x20';
}
for (i = 0; i < 8; i++) {
m_byModuleData[m_nSymbleSize - 8 + i][8] = m_byModuleData[8][m_nSymbleSize - 8 + i] = '\x20';
}
// Version information pattern
SetVersionPattern();
// Pattern alignment
for (i = 0; i < QR_VersonInfo[m_nVersion].ncAlignPoint; i++) {
SetAlignmentPattern(QR_VersonInfo[m_nVersion].nAlignPoint[i], 6);
SetAlignmentPattern(6, QR_VersonInfo[m_nVersion].nAlignPoint[i]);
for (j = 0; j < QR_VersonInfo[m_nVersion].ncAlignPoint; j++) {
SetAlignmentPattern(QR_VersonInfo[m_nVersion].nAlignPoint[i], QR_VersonInfo[m_nVersion].nAlignPoint[j]);
}
}
// Timing pattern
for (i = 8; i <= m_nSymbleSize - 9; i++) {
m_byModuleData[i][6] = (i % 2) == 0 ? '\x30' : '\x20';
m_byModuleData[6][i] = (i % 2) == 0 ? '\x30' : '\x20';
}
}
void SetFunctionModule(void)
{
int i, j;
SetFinderPattern(0, 0);
SetFinderPattern(m_nSymbleSize - 7, 0);
SetFinderPattern(0, m_nSymbleSize - 7);
for (i = 0; i < 8; ++i)
{
m_byModuleData[i][7] = m_byModuleData[7][i] = '\x20';
m_byModuleData[m_nSymbleSize - 8][i] = m_byModuleData[m_nSymbleSize - 8 + i][7] = '\x20';
m_byModuleData[i][m_nSymbleSize - 8] = m_byModuleData[7][m_nSymbleSize - 8 + i] = '\x20';
}
for (i = 0; i < 9; ++i)
{
m_byModuleData[i][8] = m_byModuleData[8][i] = '\x20';
}
for (i = 0; i < 8; ++i)
{
m_byModuleData[m_nSymbleSize - 8 + i][8] = m_byModuleData[8][m_nSymbleSize - 8 + i] = '\x20';
}
SetVersionPattern();
for (i = 0; i < QR_VersonInfo[m_nVersion].ncAlignPoint; ++i)
{
SetAlignmentPattern(QR_VersonInfo[m_nVersion].nAlignPoint[i], 6);
SetAlignmentPattern(6, QR_VersonInfo[m_nVersion].nAlignPoint[i]);
for (j = 0; j < QR_VersonInfo[m_nVersion].ncAlignPoint; ++j)
{
SetAlignmentPattern(QR_VersonInfo[m_nVersion].nAlignPoint[i], QR_VersonInfo[m_nVersion].nAlignPoint[j]);
}
}
for (i = 8; i <= m_nSymbleSize - 9; ++i)
{
m_byModuleData[i][6] = (i % 2) == 0 ? '\x30' : '\x20';
m_byModuleData[6][i] = (i % 2) == 0 ? '\x30' : '\x20';
}
}
bool ContentDecoder::DecodeData(int nCodeSize,int nVersion,unsigned char CodeData[MAX_MODULESIZE][MAX_MODULESIZE])
{
int i,j;
m_nCodeSize=nCodeSize;
m_nVersion=nVersion;
for(i=0;i<nCodeSize;i++)
for(j=0;j<nCodeSize;j++)
m_CodeData[i][j]=CodeData[i][j];
//获取版本信息（7~40有版本信息）
//if(m_nVersion>=7)
//{
// m_nVersion=GetVersionInfo();
//}
//获取格式信息
int nFormatData=GetFormatInfo();
m_nLevel=((nFormatData & 0x18) >> 3);//纠错级别，前两位
switch(m_nLevel)
{
case 1: m_nLevel=QR_LEVEL_L;break;
case 0: m_nLevel=QR_LEVEL_M;break;
case 3: m_nLevel=QR_LEVEL_Q;break;
case 2: m_nLevel=QR_LEVEL_H;break;
}
m_nMaskingNo=(nFormatData & 0x07);//掩膜图形参考，后三位
//去除掩膜图形
for(i=0;i<m_nCodeSize;++i)
{
for(j=0;j<m_nCodeSize;++j)
{
bool bMask;
switch (m_nMaskingNo)
{
case 0:
bMask=((i+j)%2==0);break;
case 1:
bMask=(i%2==0);break;
case 2:
bMask=(j%3==0);break;
case 3:
bMask=((i+j) % 3 == 0);break;
case 4:
bMask=(((i/2)+(j/3))%2==0);break;
case 5:
bMask=(((i*j)%2)+((i*j)%3)==0);break;
case 6:
bMask=((((i*j)%2)+((i* j)%3))%2==0);break;
default: // case 7:
bMask=((((i*j)%3)+((i+j)%2))%2==0);break;
}
m_CodeData[j][i] = (unsigned char)(m_CodeData[j][i] ^ bMask);
}
}
//标记非数据位置
SetFinderPattern();
if(m_nVersion>1)
SetAlignmentPattern();
SetFormatPattern();
SetVersionPattern();
//读取数据位置，得到数据位流
GetCodeWord();
//纠错
CorrectDataBlocks();
//解析数据码字，得到字符串
ParseDataCodeWord();
return true;
}