void SQrCtrl::MakeCacheApha( ISkinObj *pSkin, IBitmap *_pBitCache, IBitmap *_pBitMask ) { CAutoRefPtr<IRenderTarget> pRTDst; GETRENDERFACTORY->CreateRenderTarget(&pRTDst, 0, 0); CAutoRefPtr<IRenderObj> pOldBmp; pRTDst->SelectObject(_pBitCache, &pOldBmp); CRect rc(CPoint(0, 0), _pBitCache->Size()); pSkin->Draw(pRTDst, &rc, 0); CAutoRefPtr<IBitmap> bmp; GETRENDERFACTORY->CreateBitmap(&bmp); if (m_QrRect.IsRectEmpty()) { bmp = _pBitMask; } else { bmp->Init(m_QrRect.Width(), m_QrRect.Height()); pRTDst->SelectObject(bmp, NULL); CRect rcSrc(CPoint(0, 0), _pBitMask->Size()); rc = CRect(CPoint(0, 0), bmp->Size()); pRTDst->DrawBitmapEx(rc, _pBitMask, rcSrc, MAKELONG(EM_STRETCH, m_fl)); pRTDst->SelectObject(pOldBmp); } int nDesLinePixels = _pBitCache->Width(); int nDesRowPixels = _pBitCache->Height(); int nline = bmp->Height(); int nRow = bmp->Width(); if ((nDesRowPixels < nRow + m_QrRect.top) || (nDesLinePixels < nline + m_QrRect.left)) return; LPDWORD pBitCache = (LPDWORD)_pBitCache->LockPixelBits(); LPDWORD pBitMask = (LPDWORD)bmp->LockPixelBits(); LPDWORD pDst = pBitCache; LPDWORD pSrc = pBitMask; LPDWORD pLine = pDst + m_QrRect.top * nDesLinePixels; for (int line = 0; line < nline; line++) { LPDWORD pLineData = pLine + m_QrRect.left; for (int row = 0; row < nRow; row++) { LPBYTE byAlpha = (LPBYTE)(pSrc + row); if (byAlpha[3] == 0) { LPDWORD pByteAlpha = (pLineData + row); *pByteAlpha =RGBA(0,0,0,0); } } pSrc += nRow; pLine += nDesLinePixels; } _pBitCache->UnlockPixelBits(pBitCache); bmp->UnlockPixelBits(pBitMask); }
void SQrCtrl::CreateQrImg( SStringT strContent ) { CQR_Encode qrEncode; int nLevel = 3; int nVersion = 0; bool bAutoExtent = true; int nMaskingNo = -1; SStringA strContentA = S_CT2A(strContent, CP_UTF8); if (qrEncode.EncodeData(nLevel, nVersion, bAutoExtent, nMaskingNo, strContentA, strContentA.GetLength())) { if (m_pSkin == NULL) { int qrSize = qrEncode.m_nSymbleSize + (QR_MARGIN * 2); CAutoRefPtr<IBitmap> bmp; GETRENDERFACTORY->CreateBitmap(&bmp); bmp->Init(qrSize, qrSize); LPDWORD pBits = (LPDWORD)bmp->LockPixelBits(); memset(pBits, 0xFF, qrSize*qrSize * 4); int nLineWid = qrSize; LPDWORD pLine = pBits + QR_MARGIN*nLineWid; for (int i = 0; i < qrEncode.m_nSymbleSize; i++) { LPDWORD pLineData = pLine + QR_MARGIN; for (int j = 0; j < qrEncode.m_nSymbleSize; j++) { if (qrEncode.m_byModuleData[i][j]) { pLineData[j] = RGBA(0, 0, 0, 255); } } pLine += qrSize; } bmp->UnlockPixelBits(pBits); SetImage(bmp); } else { int qrSize = qrEncode.m_nSymbleSize + 2; CAutoRefPtr<IBitmap> bmp; GETRENDERFACTORY->CreateBitmap(&bmp); SIZE skinSize = m_pSkin->GetSkinSize(); CRect rcWind = GetWindowRect(); bmp->Init(rcWind.Width(), rcWind.Height()); CAutoRefPtr<IBitmap> qrbmp; GETRENDERFACTORY->CreateBitmap(&qrbmp); qrbmp->Init(qrSize, qrSize); LPDWORD pBits = (LPDWORD)qrbmp->LockPixelBits(); memset(pBits, 0x00, qrSize*qrSize * 4); int nLineWid = qrSize; LPDWORD pLine = pBits + nLineWid; for (int i = 0; i < qrEncode.m_nSymbleSize; i++) { LPDWORD pLineData = pLine + 1; for (int j = 0; j < qrEncode.m_nSymbleSize; j++) { if (qrEncode.m_byModuleData[i][j]) { pLineData[j] = RGBA(0xFF, 0xFF, 0xFF, 0xFF); } } pLine += qrSize; } qrbmp->UnlockPixelBits(pBits); MakeCacheApha(m_pSkin, bmp, qrbmp); SetImage(bmp); } } }