/** * FreeRDP: A Remote Desktop Protocol Client * Surface Commands * * Copyright 2011 Vic Lee * * 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 "surface.h" static int update_recv_surfcmd_surface_bits(rdpUpdate* update, STREAM* s) { SURFACE_BITS_COMMAND* cmd = &update->surface_bits_command; int pos; stream_read_uint16(s, cmd->destLeft); stream_read_uint16(s, cmd->destTop); stream_read_uint16(s, cmd->destRight); stream_read_uint16(s, cmd->destBottom); stream_read_uint8(s, cmd->bpp); stream_seek(s, 2); /* reserved1, reserved2 */ stream_read_uint8(s, cmd->codecID); stream_read_uint16(s, cmd->width); stream_read_uint16(s, cmd->height); stream_read_uint32(s, cmd->bitmapDataLength); pos = stream_get_pos(s) + cmd->bitmapDataLength; cmd->bitmapData = stream_get_tail(s); IFCALL(update->SurfaceBits, update, cmd); stream_set_pos(s, pos); return 20 + cmd->bitmapDataLength; } static int update_recv_surfcmd_frame_marker(rdpUpdate* update, STREAM* s) { uint16 frameAction; uint32 frameId; stream_read_uint16(s, frameAction); stream_read_uint32(s, frameId); /*printf("frameAction %d frameId %d\n", frameAction, frameId);*/ return 6; } boolean update_recv_surfcmds(rdpUpdate* update, uint16 size, STREAM* s) { uint16 cmdType; while (size > 2) { stream_read_uint16(s, cmdType); size -= 2; switch (cmdType) { case CMDTYPE_SET_SURFACE_BITS: case CMDTYPE_STREAM_SURFACE_BITS: size -= update_recv_surfcmd_surface_bits(update, s); break; case CMDTYPE_FRAME_MARKER: size -= update_recv_surfcmd_frame_marker(update, s); break; default: DEBUG_WARN("unknown cmdType 0x%X", cmdType); return False; } } return True; } void update_write_surfcmd_surface_bits_header(STREAM* s, SURFACE_BITS_COMMAND* cmd) { stream_check_size(s, SURFCMD_SURFACE_BITS_HEADER_LENGTH); stream_write_uint16(s, CMDTYPE_STREAM_SURFACE_BITS); stream_write_uint16(s, cmd->destLeft); stream_write_uint16(s, cmd->destTop); stream_write_uint16(s, cmd->destRight); stream_write_uint16(s, cmd->destBottom); stream_write_uint8(s, cmd->bpp); stream_write_uint16(s, 0); /* reserved1, reserved2 */ stream_write_uint8(s, cmd->codecID); stream_write_uint16(s, cmd->width); stream_write_uint16(s, cmd->height); stream_write_uint32(s, cmd->bitmapDataLength); } void update_write_surfcmd_frame_marker(STREAM* s, uint16 frameAction, uint32 frameId) { stream_check_size(s, SURFCMD_FRAME_MARKER_LENGTH); stream_write_uint16(s, CMDTYPE_FRAME_MARKER); stream_write_uint16(s, frameAction); stream_write_uint32(s, frameId); }