guacamole-spice-protocol/protocols/rdp/src/rdp_gdi.c

239 lines
7.8 KiB
C

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libguac-client-rdp.
*
* The Initial Developer of the Original Code is
* Michael Jumper.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Matt Hortman
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <freerdp/freerdp.h>
#include <guacamole/client.h>
#include "client.h"
#include "rdp_bitmap.h"
guac_transfer_function guac_rdp_rop3_transfer_function(guac_client* client,
int rop3) {
/* Translate supported ROP3 opcodes into composite modes */
switch (rop3) {
/* "DSon" !(src | dest) */
case 0x11: return GUAC_TRANSFER_BINARY_NOR;
/* "DSna" !src & dest */
case 0x22: return GUAC_TRANSFER_BINARY_NSRC_AND;
/* "Sn" !src */
case 0x33: return GUAC_TRANSFER_BINARY_NSRC;
/* "SDna" (src & !dest) */
case 0x44: return GUAC_TRANSFER_BINARY_NDEST_AND;
/* "Dn" !dest */
case 0x55: return GUAC_TRANSFER_BINARY_NDEST;
/* "SRCINVERT" (src ^ dest) */
case 0x66: return GUAC_TRANSFER_BINARY_XOR;
/* "DSan" !(src & dest) */
case 0x77: return GUAC_TRANSFER_BINARY_NAND;
/* "SRCAND" (src & dest) */
case 0x88: return GUAC_TRANSFER_BINARY_AND;
/* "DSxn" !(src ^ dest) */
case 0x99: return GUAC_TRANSFER_BINARY_XNOR;
/* "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;
/* "SRCPAINT" (src | dest) */
case 0xEE: return GUAC_TRANSFER_BINARY_OR;
/* 0x00 = "BLACKNESS" (0) */
/* 0xAA = "NOP" (dest) */
/* 0xFF = "WHITENESS" (1) */
}
/* Log warning if ROP3 opcode not supported */
guac_client_log_info (client, "guac_rdp_rop3_transfer_function: "
"UNSUPPORTED opcode = 0x%02X", rop3);
/* Default to BINARY_SRC */
return GUAC_TRANSFER_BINARY_SRC;
}
void guac_rdp_gdi_dstblt(rdpContext* context, DSTBLT_ORDER* dstblt) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
switch (dstblt->bRop) {
/* Blackness */
case 0:
/* Send black rectangle */
guac_protocol_send_rect(client->socket,
GUAC_COMP_OVER, current_layer,
dstblt->nLeftRect, dstblt->nTopRect,
dstblt->nWidth, dstblt->nHeight,
0, 0, 0, 255);
break;
/* Unsupported ROP3 */
default:
guac_client_log_info(client,
"guac_rdp_gdi_dstblt(rop3=%i)", dstblt->bRop);
}
}
void guac_rdp_gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
guac_client_log_info(client, "guac_rdp_gdi_patblt()");
}
void guac_rdp_gdi_scrblt(rdpContext* context, SCRBLT_ORDER* scrblt) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
/* Copy screen rect to current surface */
guac_protocol_send_copy(client->socket,
GUAC_DEFAULT_LAYER,
scrblt->nXSrc, scrblt->nYSrc, scrblt->nWidth, scrblt->nHeight,
GUAC_COMP_OVER, current_layer,
scrblt->nLeftRect, scrblt->nTopRect);
}
void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
guac_socket* socket = client->socket;
guac_rdp_bitmap* bitmap = (guac_rdp_bitmap*) memblt->bitmap;
if (bitmap->layer != NULL) {
/* If operation is just SRC, simply copy */
if (memblt->bRop == 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);
/* Otherwise, use transfer */
else
guac_protocol_send_transfer(socket,
bitmap->layer,
memblt->nXSrc, memblt->nYSrc,
memblt->nWidth, memblt->nHeight,
guac_rdp_rop3_transfer_function(client, memblt->bRop),
current_layer, memblt->nLeftRect, memblt->nTopRect);
}
}
void guac_rdp_gdi_opaquerect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
uint32 color = freerdp_color_convert_var(opaque_rect->color,
context->instance->settings->color_depth, 32,
((rdp_freerdp_context*) context)->clrconv);
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
guac_protocol_send_rect(client->socket,
GUAC_COMP_OVER, current_layer,
opaque_rect->nLeftRect, opaque_rect->nTopRect,
opaque_rect->nWidth, opaque_rect->nHeight,
(color >> 16) & 0xFF,
(color >> 8 ) & 0xFF,
(color ) & 0xFF,
255);
}
void guac_rdp_gdi_palette_update(rdpContext* context, PALETTE_UPDATE* palette) {
CLRCONV* clrconv = ((rdp_freerdp_context*) context)->clrconv;
clrconv->palette->count = palette->number;
clrconv->palette->entries = palette->entries;
}
void guac_rdp_gdi_set_bounds(rdpContext* context, rdpBounds* bounds) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
/* Set clip if specified */
if (bounds != NULL)
guac_protocol_send_clip(
client->socket,
current_layer,
bounds->left,
bounds->top,
bounds->right - bounds->left + 1,
bounds->bottom - bounds->top + 1);
/* Otherwise, reset clip */
else
guac_protocol_send_clip(
client->socket,
current_layer,
0, 0,
context->instance->settings->width,
context->instance->settings->height);
}