| |
| /* ***** 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 <pthread.h> |
| #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; |
| |
| /* "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) */ |
| /* 0xCC = "SRCCOPY" (src) */ |
| /* 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; |
| |
| rdp_guac_client_data* data = (rdp_guac_client_data*) client->data; |
| pthread_mutex_lock(&(data->update_lock)); |
| |
| switch (dstblt->bRop) { |
| |
| /* Blackness */ |
| case 0: |
| |
| /* Send black rectangle */ |
| guac_protocol_send_rect(client->socket, current_layer, |
| dstblt->nLeftRect, dstblt->nTopRect, |
| dstblt->nWidth, dstblt->nHeight); |
| |
| guac_protocol_send_cfill(client->socket, |
| GUAC_COMP_OVER, current_layer, |
| 0, 0, 0, 255); |
| |
| break; |
| |
| /* Unsupported ROP3 */ |
| default: |
| guac_client_log_info(client, |
| "guac_rdp_gdi_dstblt(rop3=%i)", dstblt->bRop); |
| |
| } |
| |
| pthread_mutex_unlock(&(data->update_lock)); |
| |
| } |
| |
| void guac_rdp_gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) { |
| |
| /* |
| * Note that this is not a full implementation of PATBLT. This is a |
| * fallback implementation which only renders a solid block of background |
| * color using the specified ROP3 operation, ignoring whatever brush |
| * was actually specified. |
| * |
| * As libguac-client-rdp explicitly tells the server not to send PATBLT, |
| * well-behaved RDP servers will not use this operation at all, while |
| * others will at least have a fallback. |
| */ |
| |
| /* Get client and current layer */ |
| guac_client* client = ((rdp_freerdp_context*) context)->client; |
| const guac_layer* current_layer = |
| ((rdp_guac_client_data*) client->data)->current_surface; |
| |
| /* Layer for actual transfer */ |
| guac_layer* buffer; |
| |
| /* |
| * Warn that rendering is a fallback, as the server should not be sending |
| * this order. |
| */ |
| guac_client_log_info(client, "Using fallback PATBLT (server is ignoring " |
| "negotiated client capabilities)"); |
| |
| /* Render rectangle based on ROP */ |
| switch (patblt->bRop) { |
| |
| /* If blackness, send black rectangle */ |
| case 0x00: |
| 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 NOP, do nothing */ |
| case 0xAA: |
| break; |
| |
| /* If operation is just a copy, send foreground only */ |
| case 0xCC: |
| case 0xF0: |
| 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, |
| (patblt->foreColor >> 16) & 0xFF, |
| (patblt->foreColor >> 8 ) & 0xFF, |
| (patblt->foreColor ) & 0xFF, |
| 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, invert entire rect */ |
| default: |
| |
| /* Allocate buffer for transfer */ |
| buffer = guac_client_alloc_buffer(client); |
| |
| /* Send rectangle stroke */ |
| guac_protocol_send_rect(client->socket, buffer, |
| 0, 0, patblt->nWidth, patblt->nHeight); |
| |
| /* Fill rectangle with fore color only */ |
| guac_protocol_send_cfill(client->socket, GUAC_COMP_OVER, buffer, |
| 0xFF, 0xFF, 0xFF, 0xFF); |
| |
| /* Transfer */ |
| guac_protocol_send_transfer(client->socket, |
| |
| /* ... from buffer */ |
| buffer, 0, 0, patblt->nWidth, patblt->nHeight, |
| |
| /* ... inverting */ |
| GUAC_TRANSFER_BINARY_XOR, |
| |
| /* ... to current layer */ |
| current_layer, patblt->nLeftRect, patblt->nTopRect); |
| |
| /* Done with buffer */ |
| guac_client_free_buffer(client, buffer); |
| |
| } |
| |
| } |
| |
| 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; |
| |
| rdp_guac_client_data* data = (rdp_guac_client_data*) client->data; |
| pthread_mutex_lock(&(data->update_lock)); |
| |
| /* 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); |
| |
| pthread_mutex_unlock(&(data->update_lock)); |
| |
| } |
| |
| 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; |
| |
| rdp_guac_client_data* data = (rdp_guac_client_data*) client->data; |
| pthread_mutex_lock(&(data->update_lock)); |
| |
| switch (memblt->bRop) { |
| |
| /* If blackness, send black rectangle */ |
| case 0x00: |
| guac_protocol_send_rect(client->socket, current_layer, |
| memblt->nLeftRect, memblt->nTopRect, |
| memblt->nWidth, memblt->nHeight); |
| |
| guac_protocol_send_cfill(client->socket, |
| GUAC_COMP_OVER, current_layer, |
| 0x00, 0x00, 0x00, 0xFF); |
| break; |
| |
| /* If NOP, do nothing */ |
| case 0xAA: |
| break; |
| |
| /* If operation is just SRC, simply copy */ |
| case 0xCC: |
| |
| /* If not cached, cache if necessary */ |
| if (((guac_rdp_bitmap*) bitmap)->layer == NULL |
| && ((guac_rdp_bitmap*) bitmap)->used >= 1) |
| guac_rdp_cache_bitmap(context, memblt->bitmap); |
| |
| /* If not cached, send as PNG */ |
| if (bitmap->layer == NULL) { |
| if (memblt->bitmap->data != NULL) { |
| |
| /* Create surface from image data */ |
| cairo_surface_t* surface = cairo_image_surface_create_for_data( |
| memblt->bitmap->data + 4*(memblt->nXSrc + memblt->nYSrc*memblt->bitmap->width), |
| CAIRO_FORMAT_RGB24, |
| memblt->nWidth, memblt->nHeight, |
| 4*memblt->bitmap->width); |
| |
| /* Send surface to buffer */ |
| guac_protocol_send_png(socket, |
| GUAC_COMP_OVER, current_layer, |
| memblt->nLeftRect, memblt->nTopRect, surface); |
| |
| /* Free surface */ |
| cairo_surface_destroy(surface); |
| |
| } |
| } |
| |
| /* Otherwise, copy */ |
| else |
| guac_protocol_send_copy(socket, |
| bitmap->layer, |
| memblt->nXSrc, memblt->nYSrc, |
| memblt->nWidth, memblt->nHeight, |
| GUAC_COMP_OVER, |
| current_layer, memblt->nLeftRect, memblt->nTopRect); |
| |
| /* Increment usage counter */ |
| ((guac_rdp_bitmap*) bitmap)->used++; |
| |
| break; |
| |
| /* If whiteness, send white rectangle */ |
| case 0xFF: |
| guac_protocol_send_rect(client->socket, current_layer, |
| memblt->nLeftRect, memblt->nTopRect, |
| memblt->nWidth, memblt->nHeight); |
| |
| guac_protocol_send_cfill(client->socket, |
| GUAC_COMP_OVER, current_layer, |
| 0xFF, 0xFF, 0xFF, 0xFF); |
| break; |
| |
| /* Otherwise, use transfer */ |
| default: |
| |
| /* If not available as a surface, make available. */ |
| if (bitmap->layer == NULL) |
| guac_rdp_cache_bitmap(context, memblt->bitmap); |
| |
| 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); |
| |
| /* Increment usage counter */ |
| ((guac_rdp_bitmap*) bitmap)->used++; |
| |
| } |
| |
| pthread_mutex_unlock(&(data->update_lock)); |
| |
| } |
| |
| 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; |
| |
| rdp_guac_client_data* data = (rdp_guac_client_data*) client->data; |
| pthread_mutex_lock(&(data->update_lock)); |
| |
| guac_protocol_send_rect(client->socket, current_layer, |
| opaque_rect->nLeftRect, opaque_rect->nTopRect, |
| opaque_rect->nWidth, opaque_rect->nHeight); |
| |
| guac_protocol_send_cfill(client->socket, |
| GUAC_COMP_OVER, current_layer, |
| (color >> 16) & 0xFF, |
| (color >> 8 ) & 0xFF, |
| (color ) & 0xFF, |
| 255); |
| |
| pthread_mutex_unlock(&(data->update_lock)); |
| |
| } |
| |
| 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; |
| |
| rdp_guac_client_data* data = (rdp_guac_client_data*) client->data; |
| pthread_mutex_lock(&(data->update_lock)); |
| |
| /* Reset clip */ |
| guac_protocol_send_reset(client->socket, current_layer); |
| |
| /* Set clip if specified */ |
| if (bounds != NULL) { |
| guac_protocol_send_rect(client->socket, current_layer, |
| bounds->left, bounds->top, |
| bounds->right - bounds->left + 1, |
| bounds->bottom - bounds->top + 1); |
| |
| guac_protocol_send_clip(client->socket, current_layer); |
| } |
| |
| pthread_mutex_unlock(&(data->update_lock)); |
| |
| } |
| |
| void guac_rdp_gdi_end_paint(rdpContext* context) { |
| guac_client* client = ((rdp_freerdp_context*) context)->client; |
| guac_socket_flush(client->socket); |
| } |
| |