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Implement constant and copy/NOP raster operations without transfer.

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This commit is contained in:
Michael Jumper 2012-03-07 15:35:38 -08:00
parent 7414b9cfc7
commit ea26d99b44
1 changed files with 28 additions and 5 deletions
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33
protocols/rdp/src/rdp_gdi.c
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@ -79,9 +79,6 @@ guac_transfer_function guac_rdp_rop3_transfer_function(guac_client* client,
/* "MERGEPAINT" (!src | dest)*/
case 0xBB: return GUAC_TRANSFER_BINARY_NSRC_OR;
/* "SRCCOPY" (src) */
case 0xCC: return GUAC_TRANSFER_BINARY_SRC;
/* "SDno" (src | !dest) */
case 0xDD: return GUAC_TRANSFER_BINARY_NDEST_OR;
@ -90,6 +87,7 @@ guac_transfer_function guac_rdp_rop3_transfer_function(guac_client* client,
/* 0x00 = "BLACKNESS" (0) */
/* 0xAA = "NOP" (dest) */
/* 0xCC = "SRCCOPY" (src) */
/* 0xFF = "WHITENESS" (1) */
}
@ -160,17 +158,42 @@ void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
if (bitmap->layer != NULL) {
switch (memblt->bRop) {
/* If blackness, send black rectangle */
case 0x00:
guac_protocol_send_rect(client->socket,
GUAC_COMP_OVER, current_layer,
memblt->nLeftRect, memblt->nTopRect,
memblt->nWidth, memblt->nHeight,
0x00, 0x00, 0x00, 0xFF);
break;
/* If NOP, do nothing */
case 0xAA:
break;
/* If operation is just SRC, simply copy */
if (memblt->bRop == 0xCC)
case 0xCC:
guac_protocol_send_copy(socket,
bitmap->layer,
memblt->nXSrc, memblt->nYSrc,
memblt->nWidth, memblt->nHeight,
GUAC_COMP_OVER,
current_layer, memblt->nLeftRect, memblt->nTopRect);
break;
/* If whiteness, send white rectangle */
case 0xFF:
guac_protocol_send_rect(client->socket,
GUAC_COMP_OVER, current_layer,
memblt->nLeftRect, memblt->nTopRect,
memblt->nWidth, memblt->nHeight,
0xFF, 0xFF, 0xFF, 0xFF);
break;
/* Otherwise, use transfer */
else
default:
guac_protocol_send_transfer(socket,
bitmap->layer,
memblt->nXSrc, memblt->nYSrc,