2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
15 * The Original Code is libguac-client-rdp.
17 * The Initial Developer of the Original Code is
19 * Portions created by the Initial Developer are Copyright (C) 2011
20 * the Initial Developer. All Rights Reserved.
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
30 * under the terms of either the GPL or the LGPL, and not to allow others to
31 * use your version of this file under the terms of the MPL, indicate your
32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
37 * ***** END LICENSE BLOCK ***** */
39 #include <freerdp/freerdp.h>
41 #include <guacamole/client.h>
44 #include "rdp_bitmap.h"
46 guac_transfer_function guac_rdp_rop3_transfer_function(guac_client* client,
49 /* Translate supported ROP3 opcodes into composite modes */
52 /* "DSon" !(src | dest) */
53 case 0x11: return GUAC_TRANSFER_BINARY_NOR;
55 /* "DSna" !src & dest */
56 case 0x22: return GUAC_TRANSFER_BINARY_NSRC_AND;
59 case 0x33: return GUAC_TRANSFER_BINARY_NSRC;
61 /* "SDna" (src & !dest) */
62 case 0x44: return GUAC_TRANSFER_BINARY_NDEST_AND;
65 case 0x55: return GUAC_TRANSFER_BINARY_NDEST;
67 /* "SRCINVERT" (src ^ dest) */
68 case 0x66: return GUAC_TRANSFER_BINARY_XOR;
70 /* "DSan" !(src & dest) */
71 case 0x77: return GUAC_TRANSFER_BINARY_NAND;
73 /* "SRCAND" (src & dest) */
74 case 0x88: return GUAC_TRANSFER_BINARY_AND;
76 /* "DSxn" !(src ^ dest) */
77 case 0x99: return GUAC_TRANSFER_BINARY_XNOR;
79 /* "MERGEPAINT" (!src | dest)*/
80 case 0xBB: return GUAC_TRANSFER_BINARY_NSRC_OR;
82 /* "SDno" (src | !dest) */
83 case 0xDD: return GUAC_TRANSFER_BINARY_NDEST_OR;
85 /* "SRCPAINT" (src | dest) */
86 case 0xEE: return GUAC_TRANSFER_BINARY_OR;
88 /* 0x00 = "BLACKNESS" (0) */
89 /* 0xAA = "NOP" (dest) */
90 /* 0xCC = "SRCCOPY" (src) */
91 /* 0xFF = "WHITENESS" (1) */
95 /* Log warning if ROP3 opcode not supported */
96 guac_client_log_info (client, "guac_rdp_rop3_transfer_function: "
97 "UNSUPPORTED opcode = 0x%02X", rop3);
99 /* Default to BINARY_SRC */
100 return GUAC_TRANSFER_BINARY_SRC;
104 void guac_rdp_gdi_dstblt(rdpContext* context, DSTBLT_ORDER* dstblt) {
106 guac_client* client = ((rdp_freerdp_context*) context)->client;
107 const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
109 switch (dstblt->bRop) {
114 /* Send black rectangle */
115 guac_protocol_send_rect(client->socket, current_layer,
116 dstblt->nLeftRect, dstblt->nTopRect,
117 dstblt->nWidth, dstblt->nHeight);
119 guac_protocol_send_cfill(client->socket,
120 GUAC_COMP_OVER, current_layer,
125 /* Unsupported ROP3 */
127 guac_client_log_info(client,
128 "guac_rdp_gdi_dstblt(rop3=%i)", dstblt->bRop);
136 void guac_rdp_gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) {
137 guac_client* client = ((rdp_freerdp_context*) context)->client;
138 guac_client_log_info(client, "guac_rdp_gdi_patblt()");
141 void guac_rdp_gdi_scrblt(rdpContext* context, SCRBLT_ORDER* scrblt) {
143 guac_client* client = ((rdp_freerdp_context*) context)->client;
144 const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
146 /* Copy screen rect to current surface */
147 guac_protocol_send_copy(client->socket,
149 scrblt->nXSrc, scrblt->nYSrc, scrblt->nWidth, scrblt->nHeight,
150 GUAC_COMP_OVER, current_layer,
151 scrblt->nLeftRect, scrblt->nTopRect);
155 void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
157 guac_client* client = ((rdp_freerdp_context*) context)->client;
158 const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
159 guac_socket* socket = client->socket;
160 guac_rdp_bitmap* bitmap = (guac_rdp_bitmap*) memblt->bitmap;
162 switch (memblt->bRop) {
164 /* If blackness, send black rectangle */
166 guac_protocol_send_rect(client->socket, current_layer,
167 memblt->nLeftRect, memblt->nTopRect,
168 memblt->nWidth, memblt->nHeight);
170 guac_protocol_send_cfill(client->socket,
171 GUAC_COMP_OVER, current_layer,
172 0x00, 0x00, 0x00, 0xFF);
175 /* If NOP, do nothing */
179 /* If operation is just SRC, simply copy */
182 /* If not cached, cache if necessary */
183 if (((guac_rdp_bitmap*) bitmap)->layer == NULL
184 && ((guac_rdp_bitmap*) bitmap)->used >= 1)
185 guac_rdp_cache_bitmap(context, memblt->bitmap);
187 /* If not cached, send as PNG */
188 if (bitmap->layer == NULL) {
189 if (memblt->bitmap->data != NULL) {
191 /* Create surface from image data */
192 cairo_surface_t* surface = cairo_image_surface_create_for_data(
193 memblt->bitmap->data + 4*(memblt->nXSrc + memblt->nYSrc*memblt->bitmap->width),
195 memblt->nWidth, memblt->nHeight,
196 4*memblt->bitmap->width);
198 /* Send surface to buffer */
199 guac_protocol_send_png(socket,
200 GUAC_COMP_OVER, current_layer,
201 memblt->nLeftRect, memblt->nTopRect, surface);
204 cairo_surface_destroy(surface);
209 /* Otherwise, copy */
211 guac_protocol_send_copy(socket,
213 memblt->nXSrc, memblt->nYSrc,
214 memblt->nWidth, memblt->nHeight,
216 current_layer, memblt->nLeftRect, memblt->nTopRect);
218 /* Increment usage counter */
219 ((guac_rdp_bitmap*) bitmap)->used++;
223 /* If whiteness, send white rectangle */
225 guac_protocol_send_rect(client->socket, current_layer,
226 memblt->nLeftRect, memblt->nTopRect,
227 memblt->nWidth, memblt->nHeight);
229 guac_protocol_send_cfill(client->socket,
230 GUAC_COMP_OVER, current_layer,
231 0xFF, 0xFF, 0xFF, 0xFF);
234 /* Otherwise, use transfer */
237 /* If not available as a surface, make available. */
238 if (bitmap->layer == NULL)
239 guac_rdp_cache_bitmap(context, memblt->bitmap);
241 guac_protocol_send_transfer(socket,
243 memblt->nXSrc, memblt->nYSrc,
244 memblt->nWidth, memblt->nHeight,
245 guac_rdp_rop3_transfer_function(client, memblt->bRop),
246 current_layer, memblt->nLeftRect, memblt->nTopRect);
248 /* Increment usage counter */
249 ((guac_rdp_bitmap*) bitmap)->used++;
255 void guac_rdp_gdi_opaquerect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect) {
257 guac_client* client = ((rdp_freerdp_context*) context)->client;
258 uint32 color = freerdp_color_convert_var(opaque_rect->color,
259 context->instance->settings->color_depth, 32,
260 ((rdp_freerdp_context*) context)->clrconv);
262 const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
264 guac_protocol_send_rect(client->socket, current_layer,
265 opaque_rect->nLeftRect, opaque_rect->nTopRect,
266 opaque_rect->nWidth, opaque_rect->nHeight);
268 guac_protocol_send_cfill(client->socket,
269 GUAC_COMP_OVER, current_layer,
270 (color >> 16) & 0xFF,
271 (color >> 8 ) & 0xFF,
277 void guac_rdp_gdi_palette_update(rdpContext* context, PALETTE_UPDATE* palette) {
279 CLRCONV* clrconv = ((rdp_freerdp_context*) context)->clrconv;
280 clrconv->palette->count = palette->number;
281 clrconv->palette->entries = palette->entries;
285 void guac_rdp_gdi_set_bounds(rdpContext* context, rdpBounds* bounds) {
287 guac_client* client = ((rdp_freerdp_context*) context)->client;
288 const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
291 guac_protocol_send_reset(client->socket, current_layer);
293 /* Set clip if specified */
294 if (bounds != NULL) {
295 guac_protocol_send_rect(client->socket, current_layer,
296 bounds->left, bounds->top,
297 bounds->right - bounds->left + 1,
298 bounds->bottom - bounds->top + 1);
300 guac_protocol_send_clip(client->socket, current_layer);
305 void guac_rdp_gdi_end_paint(rdpContext* context) {
306 guac_client* client = ((rdp_freerdp_context*) context)->client;
307 guac_socket_flush(client->socket);