static void update_send_switch_surface_order(rdpContext* context, SWITCH_SURFACE_ORDER* switch_surface)
{
wStream* s;
int bm, em;
BYTE orderType;
BYTE controlFlags;
int headerLength;
rdpUpdate* update = context->update;
headerLength = 1;
orderType = ORDER_TYPE_SWITCH_SURFACE;
controlFlags = ORDER_SECONDARY | (orderType << 2);
update_check_flush(context, headerLength + update_approximate_switch_surface_order(switch_surface));
s = update->us;
bm = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_switch_surface_order(s, switch_surface);
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, controlFlags); /* controlFlags (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
}
static void update_send_create_offscreen_bitmap_order(rdpContext* context, CREATE_OFFSCREEN_BITMAP_ORDER* create_offscreen_bitmap)
{
wStream* s;
int bm, em;
BYTE orderType;
BYTE controlFlags;
int headerLength;
rdpUpdate* update = context->update;
headerLength = 1;
orderType = ORDER_TYPE_CREATE_OFFSCREEN_BITMAP;
controlFlags = ORDER_SECONDARY | (orderType << 2);
update_check_flush(context, headerLength + update_approximate_create_offscreen_bitmap_order(create_offscreen_bitmap));
s = update->us;
bm = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_create_offscreen_bitmap_order(s, create_offscreen_bitmap);
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, controlFlags); /* controlFlags (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
}
static void update_send_cache_brush(rdpContext* context, CACHE_BRUSH_ORDER* cache_brush)
{
wStream* s;
UINT16 flags;
int bm, em;
int headerLength;
INT16 orderLength;
rdpUpdate* update = context->update;
flags = 0;
headerLength = 6;
update_check_flush(context, headerLength + update_approximate_cache_brush_order(cache_brush, &flags));
s = update->us;
bm = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_cache_brush_order(s, cache_brush, &flags);
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, flags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, ORDER_TYPE_CACHE_BRUSH); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
}
static void update_send_cache_bitmap_v2(rdpContext* context, CACHE_BITMAP_V2_ORDER* cache_bitmap_v2)
{
wStream* s;
int bm, em;
BYTE orderType;
int headerLength;
UINT16 extraFlags;
INT16 orderLength;
rdpUpdate* update = context->update;
update_force_flush(context);
extraFlags = 0;
headerLength = 6;
orderType = cache_bitmap_v2->compressed ?
ORDER_TYPE_BITMAP_COMPRESSED_V2 : ORDER_TYPE_BITMAP_UNCOMPRESSED_V2;
update_check_flush(context, headerLength + update_approximate_cache_bitmap_v2_order(cache_bitmap_v2, cache_bitmap_v2->compressed, &extraFlags));
s = update->us;
bm = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_cache_bitmap_v2_order(s, cache_bitmap_v2, cache_bitmap_v2->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++;
update_force_flush(context);
}
static void update_send_line_to(rdpContext* context, LINE_TO_ORDER* line_to)
{
wStream* s;
int offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_LINE_TO);
update_check_flush(context, headerLength + update_approximate_line_to_order(&orderInfo, line_to));
s = update->us;
offset = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_line_to_order(s, &orderInfo, line_to);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
}
static void update_send_opaque_rect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect)
{
wStream* s;
int offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_OPAQUE_RECT);
update_check_flush(context, headerLength + update_approximate_opaque_rect_order(&orderInfo, opaque_rect));
s = update->us;
offset = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_opaque_rect_order(s, &orderInfo, opaque_rect);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
}
static void update_send_glyph_index(rdpContext* context, GLYPH_INDEX_ORDER* glyph_index)
{
wStream* s;
int offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_GLYPH_INDEX);
update_check_flush(context, headerLength + update_approximate_glyph_index_order(&orderInfo, glyph_index));
s = update->us;
offset = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_glyph_index_order(s, &orderInfo, glyph_index);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
}