void ClientConnection::ReadHextileRect(rfbFramebufferUpdateRectHeader *pfburh)
{
switch (m_myFormat.bitsPerPixel) {
case 8:
HandleHextileEncoding8(pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h);
break;
case 16:
HandleHextileEncoding16(pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h);
break;
case 32:
HandleHextileEncoding32(pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h);
break;
}
}
inline Bool
HandleRFBServerMessage()
{
rfbServerToClientMsg msg;
if(!ReadExact(rfbsock, (char *)&msg, 1))
return False;
dprintf("HandleRFBServerMessage %d\n",msg.type);
switch(msg.type)
{
case rfbSetColourMapEntries:
{
dprintf("rfbSetColourMapEntries\n");
int i;
CARD16 rgb[3];
XColor xc;
if(!ReadExact(rfbsock, ((char *)&msg.scme) + 1,
sz_rfbSetColourMapEntriesMsg - 1))
return False;
msg.scme.firstColour = Swap16IfLE(msg.scme.firstColour);
msg.scme.nColours = Swap16IfLE(msg.scme.nColours);
INIT_PALETTE(msg.scme.nColours);
for(i = 0; i < msg.scme.nColours; i++)
{
xc.pixel = msg.scme.firstColour + i;
if(addUseAlpha)
{
if(!ReadExact(rfbsock, (char *)rgb, 8))
return False;
xc.transp = ((double)(0xff - (Swap16IfLE(rgb[0]) >> 8))) / ((double)0xff / (double)0xA0);
xc.red = Swap16IfLE(rgb[1]) >> 8;
xc.green = Swap16IfLE(rgb[2]) >> 8;
xc.blue = Swap16IfLE(rgb[3]) >> 8;
}
else
{
if(!ReadExact(rfbsock, (char *)rgb, 6))
return False;
xc.transp = 0;
xc.red = Swap16IfLE(rgb[0]) >> 8;
xc.green = Swap16IfLE(rgb[1]) >> 8;
xc.blue = Swap16IfLE(rgb[2]) >> 8;
}
xc.flags = DoRed|DoGreen|DoBlue;
INSERT_COLOUR (xc);
}
STORE_PALETTE(NULL);
break;
}
case rfbFramebufferUpdate:
{
dprintf("rfbFramebufferUpdate\n");
//ShowOsd(True);
rfbFramebufferUpdateRectHeader rect;
int linesToRead;
int bytesPerLine;
int i;
if(!ReadExact(rfbsock, ((char *)&msg.fu) + 1,
sz_rfbFramebufferUpdateMsg - 1))
return False;
msg.fu.nRects = Swap16IfLE(msg.fu.nRects);
dprintf("# Rect %d\n",msg.fu.nRects);
for(i = 0; i < msg.fu.nRects; i++)
{
if(!ReadExact(rfbsock, (char *)&rect,
sz_rfbFramebufferUpdateRectHeader))
return False;
rect.r.x = Swap16IfLE(rect.r.x);
rect.r.y = Swap16IfLE(rect.r.y);
rect.r.w = Swap16IfLE(rect.r.w);
rect.r.h = Swap16IfLE(rect.r.h);
rect.encoding = Swap32IfLE(rect.encoding);
dprintf("Rect x/y/w/h %d/%d/%d/%d %u\n",rect.r.x,rect.r.y,rect.r.w,rect.r.h, (uint)rect.encoding);
if((rect.r.x + rect.r.w > si.framebufferWidth) ||
(rect.r.y + rect.r.h > si.framebufferHeight))
{
fprintf(stderr,"%s: rect too large: %dx%d at (%d, %d)\n",
programName, rect.r.w, rect.r.h, rect.r.x, rect.r.y);
return False;
}
if((rect.r.h * rect.r.w) == 0)
{
fprintf(stderr,"%s: zero size rect - ignoring\n",programName);
continue;
}
switch(rect.encoding)
{
case rfbEncodingRaw:
bytesPerLine = rect.r.w * myFormat.bitsPerPixel / 8;
linesToRead = BUFFER_SIZE / bytesPerLine;
while(rect.r.h > 0)
{
if(linesToRead > rect.r.h)
linesToRead = rect.r.h;
if(!ReadExact(rfbsock, buffer,bytesPerLine * linesToRead))
return False;
CopyDataToScreen((CARD8 *)buffer, rect.r.x, rect.r.y,
rect.r.w, linesToRead);
rect.r.h -= linesToRead;
rect.r.y += linesToRead;
}
break;
case rfbEncodingCopyRect:
{
dprintf("rfbEncodingCopyRect\n");
rfbCopyRect cr;
if(!ReadExact(rfbsock, (char *)&cr, sz_rfbCopyRect))
return False;
cr.srcX = Swap16IfLE(cr.srcX);
cr.srcY = Swap16IfLE(cr.srcY);
COPY_AREA (cr.srcX, cr.srcY, rect.r.w, rect.r.h, rect.r.x, rect.r.y);
break;
}
case rfbEncodingRRE:
{
dprintf("RRE\n");
rfbRREHeader hdr;
CARD8 pix8;
CARD16 pix16;
CARD32 pix32;
rfbRectangle subrect;
int j;
int dataSize;
char *netbuff;
char *p;
if(!ReadExact(rfbsock, (char *)&hdr, sz_rfbRREHeader))
return False;
hdr.nSubrects = Swap32IfLE(hdr.nSubrects);
switch(myFormat.bitsPerPixel)
{
case 8:
if(!ReadExact(rfbsock, (char *)&pix8, 1))
return False;
FILL_RECTNOREDRAW (rect.r.x, rect.r.y, rect.r.w, rect.r.h, pix8);
dataSize = (sizeof(pix8) + sz_rfbRectangle) * hdr.nSubrects;
netbuff = malloc(dataSize + 256);
if(!ReadExact(rfbsock, netbuff, dataSize))
return False;
p = netbuff;
for(j = 0; j < hdr.nSubrects; j++)
{
memcpy((char*)&pix8, p, sizeof(pix8));
p += sizeof(pix8);
memcpy((char*)&subrect, p, sz_rfbRectangle);
p += sz_rfbRectangle;
subrect.x = Swap16IfLE(subrect.x);
subrect.y = Swap16IfLE(subrect.y);
subrect.w = Swap16IfLE(subrect.w);
subrect.h = Swap16IfLE(subrect.h);
FILL_RECTNOREDRAW (rect.r.x + subrect.x, rect.r.y + subrect.y,
subrect.w, subrect.h, pix8);
}
free(netbuff);
REDRAWBOX(rect.r.x, rect.r.y, rect.r.w, rect.r.h);
break;
case 16:
if(!ReadExact(rfbsock, (char *)&pix16, 2))
return False;
FILL_RECTNOREDRAW (rect.r.x, rect.r.y, rect.r.w, rect.r.h, pix16);
dataSize = (sizeof(pix16) + sz_rfbRectangle) * hdr.nSubrects;
netbuff = malloc(dataSize + 256);
if(!ReadExact(rfbsock, netbuff, dataSize))
return False;
p = netbuff;
for(j = 0; j < hdr.nSubrects; j++)
{
memcpy((char*)&pix16, p, sizeof(pix16));
p += sizeof(pix16);
memcpy((char*)&subrect, p, sz_rfbRectangle);
p += sz_rfbRectangle;
subrect.x = Swap16IfLE(subrect.x);
subrect.y = Swap16IfLE(subrect.y);
subrect.w = Swap16IfLE(subrect.w);
subrect.h = Swap16IfLE(subrect.h);
FILL_RECTNOREDRAW (rect.r.x + subrect.x, rect.r.y + subrect.y,
subrect.w, subrect.h, pix16);
}
free(netbuff);
REDRAWBOX(rect.r.x, rect.r.y, rect.r.w, rect.r.h);
break;
case 32:
if(!ReadExact(rfbsock, (char *)&pix32, 4))
return False;
FILL_RECTNOREDRAW (rect.r.x, rect.r.y, rect.r.w, rect.r.h, pix32);
dataSize = (sizeof(pix32) + sz_rfbRectangle) * hdr.nSubrects;
netbuff = malloc(dataSize + 256);
if(!ReadExact(rfbsock, netbuff, dataSize))
return False;
p = netbuff;
for(j = 0; j < hdr.nSubrects; j++)
{
memcpy((char*)&pix32, p, sizeof(pix32));
p += sizeof(pix32);
memcpy((char*)&subrect, p, sz_rfbRectangle);
p += sz_rfbRectangle;
subrect.x = Swap16IfLE(subrect.x);
subrect.y = Swap16IfLE(subrect.y);
subrect.w = Swap16IfLE(subrect.w);
subrect.h = Swap16IfLE(subrect.h);
FILL_RECTNOREDRAW (rect.r.x + subrect.x, rect.r.y + subrect.y,
subrect.w, subrect.h, pix32);
}
free(netbuff);
REDRAWBOX(rect.r.x, rect.r.y, rect.r.w, rect.r.h);
break;
}
break;
}
case rfbEncodingCoRRE:
{
dprintf("rfbEncodingCoRRE\n");
rfbRREHeader hdr;
CARD8 pix8;
CARD16 pix16;
CARD32 pix32;
int j;
CARD8 *ptr;
register int x, y, w, h;
if(!ReadExact(rfbsock, (char *)&hdr, sz_rfbRREHeader))
return False;
hdr.nSubrects = Swap32IfLE(hdr.nSubrects);
switch(myFormat.bitsPerPixel)
{
case 8:
if(!ReadExact(rfbsock, (char *)&pix8, 1))
return False;
FILL_RECT (rect.r.x, rect.r.y, rect.r.w, rect.r.h, pix8);
if(!ReadExact(rfbsock, buffer, hdr.nSubrects * 5))
return False;
ptr = (CARD8 *)buffer;
for(j = 0; j < hdr.nSubrects; j++)
{
pix8 = *ptr++;
x = *ptr++;
y = *ptr++;
w = *ptr++;
h = *ptr++;
FILL_RECT (rect.r.x + x, rect.r.y + y, w, h, pix8);
}
break;
case 16:
if(!ReadExact(rfbsock, (char *)&pix16, 2))
return False;
FILL_RECT (rect.r.x, rect.r.y, rect.r.w, rect.r.h, pix16);
if(!ReadExact(rfbsock, buffer, hdr.nSubrects * 6))
return False;
ptr = (CARD8 *)buffer;
for(j = 0; j < hdr.nSubrects; j++)
{
pix16 = *(CARD16 *)ptr;
ptr += 2;
x = *ptr++;
y = *ptr++;
w = *ptr++;
h = *ptr++;
FILL_RECT (rect.r.x + x, rect.r.y + y, w, h, pix16);
}
break;
case 32:
if(!ReadExact(rfbsock, (char *)&pix32, 4))
return False;
FILL_RECT (rect.r.x, rect.r.y, rect.r.w, rect.r.h, pix32);
if(!ReadExact(rfbsock, buffer, hdr.nSubrects * 8))
return False;
ptr = (CARD8 *)buffer;
for(j = 0; j < hdr.nSubrects; j++)
{
pix32 = *(CARD32 *)ptr;
ptr += 4;
x = *ptr++;
y = *ptr++;
w = *ptr++;
h = *ptr++;
FILL_RECT (rect.r.x + x, rect.r.y + y, w, h, pix32);
}
break;
}
break;
}
case rfbEncodingHextile:
{
dprintf("Hextile\n");
switch(myFormat.bitsPerPixel)
{
case 8:
if(!HandleHextileEncoding8(rect.r.x, rect.r.y,
rect.r.w, rect.r.h))
return False;
break;
case 16:
if(!HandleHextileEncoding16(rect.r.x, rect.r.y,
rect.r.w, rect.r.h))
return False;
break;
case 32:
if(!HandleHextileEncoding32(rect.r.x, rect.r.y,
rect.r.w, rect.r.h))
return False;
break;
}
break;
}
default:
printf("vnc: unknown rect encoding %u\n",(uint)rect.encoding);
return False;
}
}
//sendUpdateRequest = True;
break;
}
case rfbBell:
BELL;
//ShowOsd(False);
break;
case rfbServerCutText:
{
char *str;
if(!ReadExact(rfbsock, ((char *)&msg.sct) + 1,
sz_rfbServerCutTextMsg - 1))
return False;
msg.sct.length = Swap32IfLE(msg.sct.length);
str = malloc(msg.sct.length);
if(!ReadExact(rfbsock, str, msg.sct.length))
{
free(str);
return False;
}
/*
XSelectInput(dpy, DefaultRootWindow(dpy), 0);
XStoreBytes(dpy, str, msg.sct.length);
XSetSelectionOwner(dpy, XA_PRIMARY, None, CurrentTime);
XSelectInput(dpy, DefaultRootWindow(dpy), PropertyChangeMask);
*/
free(str);
break;
}
case rfbReSizeFrameBuffer:
{
if(!ReadExact(rfbsock, ((char *)&msg.rsfb) + 1,
sz_rfbReSizeFrameBufferMsg - 1))
return False;
dprintf("rfbReSizeFrameBuffer: %d/%d | %d/%d\n",msg.rsfb.buffer_w,msg.rsfb.buffer_h,msg.rsfb.desktop_w,msg.rsfb.desktop_h);
si.framebufferWidth = Swap16IfLE(msg.rsfb.buffer_w);
si.framebufferHeight = Swap16IfLE(msg.rsfb.buffer_h);
FILL_RECT(0, 0, si.framebufferWidth, si.framebufferHeight, 0);
if(!SendFramebufferUpdateRequest(0, 0, si.framebufferWidth,
si.framebufferHeight, False))
return False;
}
break;
default:
printf("%s: unknown message type %d from VNC server\n",
programName,msg.type);
return False;
}
