void ClientConnection::ReadCoRRERect(rfbFramebufferUpdateRectHeader *pfburh) { // An RRE rect is always followed by a background color // For speed's sake we read them together into a buffer. char tmpbuf[sz_rfbRREHeader+4]; // biggest pixel is 4 bytes long rfbRREHeader *prreh = (rfbRREHeader *) tmpbuf; CARD8 *pcolor = (CARD8 *) tmpbuf + sz_rfbRREHeader; ReadExact(tmpbuf, sz_rfbRREHeader + m_minPixelBytes); prreh->nSubrects = Swap32IfLE(prreh->nSubrects); SETUP_COLOR_SHORTCUTS; COLORREF color; switch (m_myFormat.bitsPerPixel) { case 8: color = COLOR_FROM_PIXEL8_ADDRESS(pcolor); break; case 16: color = COLOR_FROM_PIXEL16_ADDRESS(pcolor); break; case 24: case 32: color = COLOR_FROM_PIXEL32_ADDRESS(pcolor); break; } // Draw the background of the rectangle FillSolidRect(pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h, color); if (prreh->nSubrects == 0) return; // Draw the sub-rectangles rfbCoRRERectangle *pRect; rfbRectangle rect; // The size of an CoRRE subrect including color info int subRectSize = m_minPixelBytes + sz_rfbCoRRERectangle; // Read subrects into the buffer CheckBufferSize(subRectSize * prreh->nSubrects); ReadExact(m_netbuf, subRectSize * prreh->nSubrects); BYTE *p = (BYTE *) m_netbuf; { boost::recursive_mutex::scoped_lock l(m_bitmapdcMutex); \ ObjectSelector b(m_hBitmapDC, m_hBitmap); \ PaletteSelector ps(m_hBitmapDC, m_hPalette); \ for (CARD32 i = 0; i < prreh->nSubrects; i++) { pRect = (rfbCoRRERectangle *) (p + m_minPixelBytes); switch (m_myFormat.bitsPerPixel) { case 8: color = COLOR_FROM_PIXEL8_ADDRESS(p); break; case 16: color = COLOR_FROM_PIXEL16_ADDRESS(p); break; case 32: color = COLOR_FROM_PIXEL32_ADDRESS(p); break; }; // color = COLOR_FROM_PIXEL8_ADDRESS(netbuf); rect.x = pRect->x + pfburh->r.x; rect.y = pRect->y + pfburh->r.y; rect.w = pRect->w; rect.h = pRect->h; FillSolidRect(rect.x, rect.y, rect.w, rect.h, color); p+=subRectSize; } } }
void ClientConnection::ReadRRERect(rfbFramebufferUpdateRectHeader *pfburh) { // An RRE rect is always followed by a background color // For speed's sake we read them together into a buffer. char tmpbuf[sz_rfbRREHeader+4]; // biggest pixel is 4 bytes long rfbRREHeader *prreh = (rfbRREHeader *) tmpbuf; CARD8 *pcolor = (CARD8 *) tmpbuf + sz_rfbRREHeader; ReadExact(tmpbuf, sz_rfbRREHeader + m_minPixelBytes); prreh->nSubrects = Swap32IfLE(prreh->nSubrects); SETUP_COLOR_SHORTCUTS; COLORREF color; switch (m_myFormat.bitsPerPixel) { case 8: color = COLOR_FROM_PIXEL8_ADDRESS(pcolor); break; case 16: color = COLOR_FROM_PIXEL16_ADDRESS(pcolor); break; case 24: case 32: color = COLOR_FROM_PIXEL32_ADDRESS(pcolor); break; } // No other threads can use bitmap DC omni_mutex_lock l(m_bitmapdcMutex); // Draw the background of the rectangle FillSolidRect_ultra(pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h, m_myFormat.bitsPerPixel,pcolor); if (prreh->nSubrects == 0) return; // Draw the sub-rectangles rfbRectangle rect, *pRect; // The size of an RRE subrect including color info int subRectSize = m_minPixelBytes + sz_rfbRectangle; // Read subrects into the buffer CheckBufferSize(subRectSize * prreh->nSubrects); ReadExact(m_netbuf, subRectSize * prreh->nSubrects); BYTE *p = (BYTE *) m_netbuf; for (CARD32 i = 0; i < prreh->nSubrects; i++) { pRect = (rfbRectangle *) (p + m_minPixelBytes); switch (m_myFormat.bitsPerPixel) { case 8: color = COLOR_FROM_PIXEL8_ADDRESS(p); break; case 16: color = COLOR_FROM_PIXEL16_ADDRESS(p); break; case 32: color = COLOR_FROM_PIXEL32_ADDRESS(p); break; }; rect.x = (CARD16) (Swap16IfLE(pRect->x) + pfburh->r.x); rect.y = (CARD16) (Swap16IfLE(pRect->y) + pfburh->r.y); rect.w = Swap16IfLE(pRect->w); rect.h = Swap16IfLE(pRect->h); FillSolidRect_ultra(rect.x, rect.y, rect.w, rect.h, m_myFormat.bitsPerPixel,p); p+=subRectSize; } }