void rdp_process_bitmap_capset(rdpRdp * rdp, STREAM s)
{
uint16 preferredBitsPerPixel;
uint16 desktopWidth;
uint16 desktopHeight;
uint16 desktopResizeFlag;
uint16 bitmapCompressionFlag;
uint8 drawingFlags;
/*
* preferredBitsPerPixel (2 bytes):
* A 16-bit, unsigned integer. Color depth of the remote session. In RDP 4.0 and 5.0,
* this field MUST be set to 8 (even for a 16-color session)
*/
in_uint16_le(s, preferredBitsPerPixel); /* preferredBitsPerPixel */
in_uint8s(s, 6); /* Ignore receive1BitPerPixel, receive4BitPerPixel, receive8BitPerPixel */
in_uint16_le(s, desktopWidth); /* desktopWidth */
in_uint16_le(s, desktopHeight); /* desktopHeight */
in_uint8s(s, 2); /* pad */
in_uint16_le(s, desktopResizeFlag); /* desktopResizeFlag */
in_uint16_le(s, bitmapCompressionFlag); /* bitmapCompressionFlag */
in_uint8s(s, 1); /* Ignore highColorFlags */
in_uint8(s, drawingFlags); /* drawingFlags */
/*
* The server may limit depth and change the size of the desktop (for
* example when shadowing another session).
*/
if (rdp->settings->server_depth != preferredBitsPerPixel)
{
ui_warning(rdp->inst, "Remote desktop does not support color depth %d; falling back to %d\n",
rdp->settings->server_depth, preferredBitsPerPixel);
rdp->settings->server_depth = preferredBitsPerPixel;
ui_resize_window(rdp->inst);
}
if (rdp->settings->width != desktopWidth || rdp->settings->height != desktopHeight)
{
ui_warning(rdp->inst, "Remote desktop changed from %dx%d to %dx%d.\n", rdp->settings->width,
rdp->settings->height, desktopWidth, desktopHeight);
rdp->settings->width = desktopWidth;
rdp->settings->height = desktopHeight;
ui_resize_window(rdp->inst);
}
}
/* initialise the persistent bitmap cache */
RD_BOOL
pstcache_init(rdpPcache * pcache, uint8 cache_id)
{
int fd;
char filename[256];
if (pcache->pstcache_enumerated)
return True;
pcache->pstcache_fd[cache_id] = 0;
if (!(pcache->rdp->settings->bitmap_cache &&
pcache->rdp->settings->bitmap_cache_persist_enable))
return False;
if (!rd_pstcache_mkdir())
{
DEBUG("failed to get/make cache directory!\n");
return False;
}
pcache->pstcache_Bpp = (pcache->rdp->settings->server_depth + 7) / 8;
sprintf(filename, "cache/pstcache_%d_%d", cache_id, pcache->pstcache_Bpp);
DEBUG("persistent bitmap cache file: %s\n", filename);
fd = rd_open_file(filename);
if (fd == -1)
return False;
if (!rd_lock_file(fd, 0, 0))
{
ui_warning(pcache->rdp->inst, "Persistent bitmap caching is disabled. (The file is already in use)\n");
rd_close_file(fd);
return False;
}
pcache->pstcache_fd[cache_id] = fd;
return True;
}
