maride/guacamole-spice-protocol
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Implement PAT ops.

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This commit is contained in:
Michael Jumper 2012-12-13 14:56:45 -08:00
parent cf71ae25a0
commit e0f4ed892b
1 changed files with 33 additions and 14 deletions
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47
protocols/rdp/src/rdp_gdi.c
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@ -158,6 +158,9 @@ void guac_rdp_gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) {
/* Layer for actual transfer */
guac_layer* buffer;
/* Transfer function (if necessary) */
guac_transfer_function transfer;
/*
* Warn that rendering is a fallback, as the server should not be sending
* this order.
@ -185,17 +188,7 @@ void guac_rdp_gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) {
/* If operation is just SRC, send background only */
case 0xCC:
guac_protocol_send_rect(client->socket, current_layer,
patblt->nLeftRect, patblt->nTopRect,
patblt->nWidth, patblt->nHeight);
guac_protocol_send_cfill(client->socket,
GUAC_COMP_OVER, current_layer,
0x00, 0x00, 0x00, 0xFF);
break;
/* If whiteness, send white rectangle */
case 0xFF:
case 0xF0:
guac_protocol_send_rect(client->socket, current_layer,
patblt->nLeftRect, patblt->nTopRect,
patblt->nWidth, patblt->nHeight);
@ -208,13 +201,40 @@ void guac_rdp_gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) {
0xFF);
break;
/* If whiteness, send white rectangle */
case 0xFF:
guac_protocol_send_rect(client->socket, current_layer,
patblt->nLeftRect, patblt->nTopRect,
patblt->nWidth, patblt->nHeight);
guac_protocol_send_cfill(client->socket,
GUAC_COMP_OVER, current_layer,
0xFF, 0xFF, 0xFF, 0xFF);
break;
/* Otherwise, use transfer */
default:
/* Allocate buffer for transfer */
buffer = guac_client_alloc_buffer(client);
/* Get transfer function for ROP */
/* Get reasonable transfer function for ROP */
switch (patblt->bRop) {
/* PATINVERT */
case 0x5A:
transfer = GUAC_TRANSFER_BINARY_XOR;
break;
/* PATPAINT */
case 0xFB:
transfer = GUAC_TRANSFER_BINARY_OR;
break;
default:
transfer = guac_rdp_rop3_transfer_function(
client, patblt->bRop);
}
/* Send rectangle stroke */
guac_protocol_send_rect(client->socket, buffer,
@ -234,8 +254,7 @@ void guac_rdp_gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) {
buffer, 0, 0, patblt->nWidth, patblt->nHeight,
/* ... using specified transfer function */
guac_rdp_rop3_transfer_function(
client, patblt->bRop),
transfer,
/* ... to current layer */
current_layer, patblt->nLeftRect, patblt->nTopRect);