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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2012
* Copyright (C) Kevin Zhou 2012
*
* 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.
*/
#include "libxrdp.h"
#include "freerdp/codec/rfx.h"
/*****************************************************************************/
struct xrdp_surface *APP_CC
xrdp_surface_create(struct xrdp_session *session, struct xrdp_fastpath *fastpath)
{
struct xrdp_surface *self;
self = (struct xrdp_surface *)g_malloc(sizeof(struct xrdp_surface), 1);
self->session = session;
self->fastpath = fastpath;
self->rfx_context = rfx_context_new();
self->s = stream_new(16384);
return self;
}
/*****************************************************************************/
void APP_CC
xrdp_surface_delete(struct xrdp_surface *self)
{
STREAM *s;
RFX_CONTEXT *rfx_context;
if (self == 0)
{
return;
}
s = (STREAM *)(self->s);
rfx_context = (RFX_CONTEXT *)(self->rfx_context);
free_stream(self->out_s);
stream_free(s);
rfx_context_free(rfx_context);
g_free(self);
}
/*****************************************************************************/
/* returns error */
int APP_CC
xrdp_surface_reset(struct xrdp_surface *self)
{
return 0;
}
/*****************************************************************************/
int APP_CC
xrdp_surface_init(struct xrdp_surface *self)
{
int width;
int height;
RFX_CONTEXT *rfx_context;
rfx_context = (RFX_CONTEXT *)(self->rfx_context);
width = self->session->client_info->width;
height = self->session->client_info->height;
rfx_context->mode = self->session->client_info->rfx_entropy;
rfx_context->width = width;
rfx_context->height = height;
make_stream(self->out_s);
init_stream(self->out_s, 2 * 3 * width * height + 22);
return 0;
}
/*****************************************************************************/
int APP_CC
xrdp_surface_send_surface_bits(struct xrdp_surface *self, int bpp, char *data,
int x, int y, int cx, int cy)
{
RFX_RECT rect;
char *buf;
int Bpp;
int i;
int j;
int codecId;
uint32 bitmapDataLength;
STREAM *s;
RFX_CONTEXT *rfx_context;
s = (STREAM *)(self->s);
rfx_context = (RFX_CONTEXT *)(self->rfx_context);
if ((bpp == 24) || (bpp == 32))
{
}
else
{
g_writeln("bpp = %d is not supported\n", bpp);
return 1;
}
Bpp = 4;
rect.x = 0;
rect.y = 0;
rect.width = cx;
rect.height = cy;
init_stream(self->out_s, 0);
stream_set_pos(s, 0);
rfx_compose_message(rfx_context, s, &rect, 1, data, cx, cy, Bpp * cx);
codecId = self->session->client_info->rfx_codecId;
/* surface_bits_command */
out_uint16_le(self->out_s, CMDTYPE_STREAM_SURFACE_BITS); /* cmdType */
out_uint16_le(self->out_s, x); /* destLeft */
out_uint16_le(self->out_s, y); /* destTop */
out_uint16_le(self->out_s, x + cx); /* destRight */
out_uint16_le(self->out_s, y + cy); /* destBottom */
out_uint8(self->out_s, 32); /* bpp */
out_uint8(self->out_s, 0); /* reserved1 */
out_uint8(self->out_s, 0); /* reserved2 */
out_uint8(self->out_s, codecId); /* codecId */
out_uint16_le(self->out_s, cx); /* width */
out_uint16_le(self->out_s, cy); /* height */
bitmapDataLength = stream_get_length(s);
out_uint32_le(self->out_s, bitmapDataLength); /* bitmapDataLength */
/* rfx bit stream */
out_uint8p(self->out_s, s->data, bitmapDataLength);
s_mark_end(self->out_s);
return xrdp_fastpath_send_update_pdu(self->fastpath,
FASTPATH_UPDATETYPE_SURFCMDS,
self->out_s);
}
/*****************************************************************************/
int APP_CC
xrdp_surface_send_frame_marker(struct xrdp_surface *self,
uint16 frameAction, uint32 frameId)
{
init_stream(self->out_s, 0);
out_uint16_le(self->out_s, CMDTYPE_FRAME_MARKER);
out_uint16_le(self->out_s, frameAction);
out_uint32_le(self->out_s, frameId);
s_mark_end(self->out_s);
return xrdp_fastpath_send_update_pdu(self->fastpath,
FASTPATH_UPDATETYPE_SURFCMDS,
self->out_s);
}
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