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libfreerdp-core: start encoding server-side bounds

This commit is contained in:
Marc-André Moreau 2013-05-09 19:41:32 -04:00
parent b1bf5f6200
commit 645dfd7d63
5 changed files with 207 additions and 80 deletions
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7
include/freerdp/primary.h
View File

@ -73,14 +73,11 @@ typedef struct rdp_brush rdpBrush;
struct _ORDER_INFO
{
BYTE controlFlags;
UINT32 controlFlags;
UINT32 orderType;
UINT32 fieldFlags;
UINT32 boundsFlags;
rdpBounds bounds;
INT32 deltaBoundLeft;
INT32 deltaBoundTop;
INT32 deltaBoundRight;
INT32 deltaBoundBottom;
BOOL deltaCoordinates;
};
typedef struct _ORDER_INFO ORDER_INFO;

2
include/freerdp/update.h
View File

@ -210,6 +210,8 @@ struct rdp_update
wStream* us;
UINT16 numberOrders;
BOOL combineUpdates;
rdpBounds currentBounds;
rdpBounds previousBounds;
};
#endif /* FREERDP_UPDATE_H */

55
libfreerdp/core/orders.c
View File

@ -2292,6 +2292,7 @@ BOOL update_read_bounds(wStream* s, rdpBounds* bounds)
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, flags); /* field flags */
if (flags & BOUND_LEFT)
@ -2337,6 +2338,60 @@ BOOL update_read_bounds(wStream* s, rdpBounds* bounds)
if (!update_read_coord(s, &bounds->bottom, TRUE))
return FALSE;
}
return TRUE;
}
BOOL update_write_bounds(wStream* s, ORDER_INFO* orderInfo)
{
if (!(orderInfo->controlFlags & ORDER_BOUNDS))
return TRUE;
if (orderInfo->controlFlags & ORDER_ZERO_BOUNDS_DELTAS)
return TRUE;
Stream_Write_UINT8(s, orderInfo->boundsFlags); /* field flags */
if (orderInfo->boundsFlags & BOUND_LEFT)
{
if (!update_write_coord(s, orderInfo->bounds.left))
return FALSE;
}
else if (orderInfo->boundsFlags & BOUND_DELTA_LEFT)
{
}
if (orderInfo->boundsFlags & BOUND_TOP)
{
if (!update_write_coord(s, orderInfo->bounds.top))
return FALSE;
}
else if (orderInfo->boundsFlags & BOUND_DELTA_TOP)
{
}
if (orderInfo->boundsFlags & BOUND_RIGHT)
{
if (!update_write_coord(s, orderInfo->bounds.right))
return FALSE;
}
else if (orderInfo->boundsFlags & BOUND_DELTA_RIGHT)
{
}
if (orderInfo->boundsFlags & BOUND_BOTTOM)
{
if (!update_write_coord(s, orderInfo->bounds.bottom))
return FALSE;
}
else if (orderInfo->boundsFlags & BOUND_DELTA_BOTTOM)
{
}
return TRUE;
}

3
libfreerdp/core/orders.h
View File

@ -191,6 +191,9 @@ BOOL update_recv_order(rdpUpdate* update, wStream* s);
BOOL update_read_field_flags(wStream* s, UINT32* fieldFlags, BYTE flags, BYTE fieldBytes);
BOOL update_write_field_flags(wStream* s, UINT32 fieldFlags, BYTE flags, BYTE fieldBytes);
BOOL update_read_bounds(wStream* s, rdpBounds* bounds);
BOOL update_write_bounds(wStream* s, ORDER_INFO* orderInfo);
BOOL update_read_dstblt_order(wStream* s, ORDER_INFO* orderInfo, DSTBLT_ORDER* dstblt);
BOOL update_read_patblt_order(wStream* s, ORDER_INFO* orderInfo, PATBLT_ORDER* patblt);
BOOL update_write_patblt_order(wStream* s, ORDER_INFO* orderInfo, PATBLT_ORDER* patblt);

220
libfreerdp/core/update.c
View File

@ -487,6 +487,130 @@ static void update_end_paint(rdpContext* context)
Stream_Free(s, TRUE);
}
static void update_set_bounds(rdpContext* context, rdpBounds* bounds)
{
rdpUpdate* update = context->update;
CopyMemory(&update->previousBounds, &update->currentBounds, sizeof(rdpBounds));
if (!bounds)
ZeroMemory(&update->currentBounds, sizeof(rdpBounds));
else
CopyMemory(&update->currentBounds, bounds, sizeof(rdpBounds));
}
BOOL update_bounds_is_null(rdpBounds* bounds)
{
if ((bounds->left == 0) && (bounds->top == 0) &&
(bounds->right == 0) && (bounds->bottom == 0))
return TRUE;
return FALSE;
}
BOOL update_bounds_equals(rdpBounds* bounds1, rdpBounds* bounds2)
{
if ((bounds1->left == bounds2->left) && (bounds1->top == bounds2->top) &&
(bounds1->right == bounds2->right) && (bounds1->bottom == bounds2->bottom))
return TRUE;
return FALSE;
}
int update_prepare_bounds(rdpContext* context, ORDER_INFO* orderInfo)
{
int length = 0;
rdpUpdate* update = context->update;
orderInfo->boundsFlags = 0;
if (update_bounds_is_null(&update->currentBounds))
return 0;
orderInfo->controlFlags |= ORDER_BOUNDS;
if (update_bounds_equals(&update->previousBounds, &update->currentBounds))
{
orderInfo->controlFlags |= ORDER_ZERO_BOUNDS_DELTAS;
return 0;
}
else
{
length += 1;
if (update->previousBounds.left != update->currentBounds.left)
{
orderInfo->bounds.left = update->currentBounds.left;
orderInfo->boundsFlags |= BOUND_LEFT;
length += 2;
}
if (update->previousBounds.top != update->currentBounds.top)
{
orderInfo->bounds.top = update->currentBounds.top;
orderInfo->boundsFlags |= BOUND_TOP;
length += 2;
}
if (update->previousBounds.right != update->currentBounds.right)
{
orderInfo->bounds.right = update->currentBounds.right;
orderInfo->boundsFlags |= BOUND_RIGHT;
length += 2;
}
if (update->previousBounds.bottom != update->currentBounds.bottom)
{
orderInfo->bounds.bottom = update->currentBounds.bottom;
orderInfo->boundsFlags |= BOUND_BOTTOM;
length += 2;
}
}
return length;
}
int update_prepare_order_info(rdpContext* context, ORDER_INFO* orderInfo, UINT32 orderType)
{
int length = 1;
orderInfo->fieldFlags = 0;
orderInfo->orderType = orderType;
orderInfo->controlFlags = ORDER_STANDARD;
orderInfo->controlFlags |= ORDER_TYPE_CHANGE;
length += 1;
length += PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo->orderType];
length += update_prepare_bounds(context, orderInfo);
return length;
}
int update_write_order_info(rdpContext* context, wStream* s, ORDER_INFO* orderInfo, int offset)
{
int position;
position = Stream_GetPosition(s);
Stream_SetPosition(s, offset);
Stream_Write_UINT8(s, orderInfo->controlFlags); /* controlFlags (1 byte) */
if (orderInfo->controlFlags & ORDER_TYPE_CHANGE)
Stream_Write_UINT8(s, orderInfo->orderType); /* orderType (1 byte) */
update_write_field_flags(s, orderInfo->fieldFlags, orderInfo->controlFlags,
PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo->orderType]);
update_write_bounds(s, orderInfo);
Stream_SetPosition(s, position);
return 0;
}
static void update_write_refresh_rect(wStream* s, BYTE count, RECTANGLE_16* areas)
{
int i;
@ -612,32 +736,21 @@ static void update_send_desktop_resize(rdpContext* context)
static void update_send_patblt(rdpContext* context, PATBLT_ORDER* patblt)
{
wStream* s;
int bm, em;
int offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
orderInfo.controlFlags = ORDER_STANDARD | ORDER_TYPE_CHANGE;
orderInfo.orderType = ORDER_TYPE_PATBLT;
orderInfo.fieldFlags = 0;
headerLength = 2 + PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType];
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_PATBLT);
s = update->us;
bm = Stream_GetPosition(s);
offset = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_patblt_order(s, &orderInfo, patblt);
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, orderInfo.controlFlags); /* controlFlags (1 byte) */
Stream_Write_UINT8(s, orderInfo.orderType); /* orderType (1 byte) */
update_write_field_flags(s, orderInfo.fieldFlags, orderInfo.controlFlags,
PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType]);
Stream_SetPosition(s, em);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
}
@ -645,32 +758,21 @@ static void update_send_patblt(rdpContext* context, PATBLT_ORDER* patblt)
static void update_send_scrblt(rdpContext* context, SCRBLT_ORDER* scrblt)
{
wStream* s;
int bm, em;
int offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
orderInfo.controlFlags = ORDER_STANDARD | ORDER_TYPE_CHANGE;
orderInfo.orderType = ORDER_TYPE_SCRBLT;
orderInfo.fieldFlags = 0;
headerLength = 2 + PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType];
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_SCRBLT);
s = update->us;
bm = Stream_GetPosition(s);
offset = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_scrblt_order(s, &orderInfo, scrblt);
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, orderInfo.controlFlags); /* controlFlags (1 byte) */
Stream_Write_UINT8(s, orderInfo.orderType); /* orderType (1 byte) */
update_write_field_flags(s, orderInfo.fieldFlags, orderInfo.controlFlags,
PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType]);
Stream_SetPosition(s, em);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
}
@ -678,32 +780,21 @@ static void update_send_scrblt(rdpContext* context, SCRBLT_ORDER* scrblt)
static void update_send_opaque_rect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect)
{
wStream* s;
int bm, em;
int offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
orderInfo.controlFlags = ORDER_STANDARD | ORDER_TYPE_CHANGE;
orderInfo.orderType = ORDER_TYPE_OPAQUE_RECT;
orderInfo.fieldFlags = 0;
headerLength = 2 + PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType];
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_OPAQUE_RECT);
s = update->us;
bm = Stream_GetPosition(s);
offset = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_opaque_rect_order(s, &orderInfo, opaque_rect);
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, orderInfo.controlFlags); /* controlFlags (1 byte) */
Stream_Write_UINT8(s, orderInfo.orderType); /* orderType (1 byte) */
update_write_field_flags(s, orderInfo.fieldFlags, orderInfo.controlFlags,
PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType]);
Stream_SetPosition(s, em);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
}
@ -711,32 +802,21 @@ static void update_send_opaque_rect(rdpContext* context, OPAQUE_RECT_ORDER* opaq
static void update_send_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
{
wStream* s;
int bm, em;
int offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
orderInfo.controlFlags = ORDER_STANDARD | ORDER_TYPE_CHANGE;
orderInfo.orderType = ORDER_TYPE_MEMBLT;
orderInfo.fieldFlags = 0;
headerLength = 2 + PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType];
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_MEMBLT);
s = update->us;
bm = Stream_GetPosition(s);
offset = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_memblt_order(s, &orderInfo, memblt);
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, orderInfo.controlFlags); /* controlFlags (1 byte) */
Stream_Write_UINT8(s, orderInfo.orderType); /* orderType (1 byte) */
update_write_field_flags(s, orderInfo.fieldFlags, orderInfo.controlFlags,
PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType]);
Stream_SetPosition(s, em);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
}
@ -744,32 +824,21 @@ static void update_send_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
static void update_send_glyph_index(rdpContext* context, GLYPH_INDEX_ORDER* glyph_index)
{
wStream* s;
int bm, em;
int offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
orderInfo.controlFlags = ORDER_STANDARD | ORDER_TYPE_CHANGE;
orderInfo.orderType = ORDER_TYPE_GLYPH_INDEX;
orderInfo.fieldFlags = 0;
headerLength = 2 + PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType];
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_GLYPH_INDEX);
s = update->us;
bm = Stream_GetPosition(s);
offset = Stream_GetPosition(s);
Stream_EnsureRemainingCapacity(s, headerLength);
Stream_Seek(s, headerLength);
update_write_glyph_index_order(s, &orderInfo, glyph_index);
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, orderInfo.controlFlags); /* controlFlags (1 byte) */
Stream_Write_UINT8(s, orderInfo.orderType); /* orderType (1 byte) */
update_write_field_flags(s, orderInfo.fieldFlags, orderInfo.controlFlags,
PRIMARY_DRAWING_ORDER_FIELD_BYTES[orderInfo.orderType]);
Stream_SetPosition(s, em);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
}
@ -1003,6 +1072,7 @@ void update_register_server_callbacks(rdpUpdate* update)
{
update->BeginPaint = update_begin_paint;
update->EndPaint = update_end_paint;
update->SetBounds = update_set_bounds;
update->Synchronize = update_send_synchronize;
update->DesktopResize = update_send_desktop_resize;
update->SurfaceBits = update_send_surface_bits;