static void update_send_cache_bitmap(rdpContext* context, CACHE_BITMAP_ORDER* cache_bitmap)
{
wStream* s;
int bm, em;
BYTE orderType;
int headerLength;
UINT16 extraFlags;
INT16 orderLength;
rdpUpdate* update = context->update;
extraFlags = 0;
headerLength = 6;
orderType = cache_bitmap->compressed ?
ORDER_TYPE_CACHE_BITMAP_COMPRESSED : ORDER_TYPE_BITMAP_UNCOMPRESSED;
s = update->us;
bm = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_cache_bitmap_order(s, cache_bitmap, cache_bitmap->compressed, &extraFlags);
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY | ORDER_TYPE_CHANGE); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, extraFlags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, orderType); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
/**
* temporary workaround to avoid PDUs exceeding maximum size
*/
update->EndPaint(context);
update->BeginPaint(context);
}
static void update_send_cache_bitmap(rdpContext* context, CACHE_BITMAP_ORDER* cache_bitmap)
{
wStream* s;
int bm, em;
BYTE orderType;
int headerLength;
UINT16 extraFlags;
INT16 orderLength;
rdpUpdate* update = context->update;
extraFlags = 0;
headerLength = 6;
orderType = cache_bitmap->compressed ?
ORDER_TYPE_CACHE_BITMAP_COMPRESSED : ORDER_TYPE_BITMAP_UNCOMPRESSED;
update_check_flush(context, headerLength + update_approximate_cache_bitmap_order(cache_bitmap, cache_bitmap->compressed, &extraFlags));
s = update->us;
bm = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_cache_bitmap_order(s, cache_bitmap, cache_bitmap->compressed, &extraFlags);
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, extraFlags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, orderType); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
}
