FreeRDP/server/Windows/wf_update.c

99 lines
2.4 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* FreeRDP Windows Server
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <freerdp/freerdp.h>
#include <freerdp/listener.h>
#include "wf_peer.h"
#include "wf_mirage.h"
#include "wf_update.h"
void wf_update_encode(wfInfo* wfi)
{
long offset;
RFX_RECT rect;
long height, width;
GETCHANGESBUF* changes;
SURFACE_BITS_COMMAND* cmd;
wf_info_find_invalid_region(wfi);
cmd = &wfi->cmd;
changes = (GETCHANGESBUF*) wfi->changeBuffer;
width = (wfi->invalid.right - wfi->invalid.left) + 1;
height = (wfi->invalid.bottom - wfi->invalid.top) + 1;
stream_clear(wfi->s);
stream_set_pos(wfi->s, 0);
rect.x = 0;
rect.y = 0;
rect.width = (uint16) width;
rect.height = (uint16) height;
offset = (4 * wfi->invalid.left) + (wfi->invalid.top * wfi->width * 4);
rfx_compose_message(wfi->rfx_context, wfi->s, &rect, 1,
((uint8*) (changes->Userbuffer)) + offset, width, height, wfi->width * 4);
cmd->destLeft = wfi->invalid.left;
cmd->destTop = wfi->invalid.top;
cmd->destRight = wfi->invalid.left + width;
cmd->destBottom = wfi->invalid.top + height;
cmd->bpp = 32;
cmd->codecID = 3;
cmd->width = width;
cmd->height = height;
cmd->bitmapDataLength = stream_get_length(wfi->s);
cmd->bitmapData = stream_get_head(wfi->s);
wfi->updatePending = TRUE;
}
void wf_update_send(wfInfo* wfi)
{
if (wf_info_lock(wfi) > 0)
{
if (wfi->updatePending)
{
int index;
freerdp_peer* client;
for (index = 0; index < wfi->peerCount; index++)
{
client = ((rdpContext*) wfi->peers[index])->peer;
wfi->cmd.codecID = client->settings->rfx_codec_id;
client->update->SurfaceBits(client->update->context, &wfi->cmd);
}
wfi->lastUpdate = wfi->nextUpdate;
wfi->updatePending = FALSE;
}
wf_info_unlock(wfi);
}
}