383 lines
12 KiB
C
383 lines
12 KiB
C
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "client.h"
|
|
#include "common/surface.h"
|
|
#include "rdp.h"
|
|
#include "rdp_bitmap.h"
|
|
#include "rdp_color.h"
|
|
#include "rdp_settings.h"
|
|
|
|
#include <cairo/cairo.h>
|
|
#include <freerdp/freerdp.h>
|
|
#include <guacamole/client.h>
|
|
#include <guacamole/protocol.h>
|
|
#include <winpr/wtypes.h>
|
|
|
|
#include <stddef.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(client, GUAC_LOG_INFO, "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;
|
|
guac_common_surface* current_surface = ((guac_rdp_client*) client->data)->current_surface;
|
|
|
|
int x = dstblt->nLeftRect;
|
|
int y = dstblt->nTopRect;
|
|
int w = dstblt->nWidth;
|
|
int h = dstblt->nHeight;
|
|
|
|
switch (dstblt->bRop) {
|
|
|
|
/* Blackness */
|
|
case 0:
|
|
|
|
/* Send black rectangle */
|
|
guac_common_surface_set(current_surface, x, y, w, h,
|
|
0x00, 0x00, 0x00, 0xFF);
|
|
break;
|
|
|
|
/* DSTINVERT */
|
|
case 0x55:
|
|
guac_common_surface_transfer(current_surface, x, y, w, h,
|
|
GUAC_TRANSFER_BINARY_NDEST, current_surface, x, y);
|
|
break;
|
|
|
|
/* NOP */
|
|
case 0xAA:
|
|
break;
|
|
|
|
/* Whiteness */
|
|
case 0xFF:
|
|
guac_common_surface_set(current_surface, x, y, w, h,
|
|
0xFF, 0xFF, 0xFF, 0xFF);
|
|
break;
|
|
|
|
/* Unsupported ROP3 */
|
|
default:
|
|
guac_client_log(client, GUAC_LOG_INFO,
|
|
"guac_rdp_gdi_dstblt(rop3=0x%x)", dstblt->bRop);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
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;
|
|
guac_common_surface* current_surface =
|
|
((guac_rdp_client*) client->data)->current_surface;
|
|
|
|
int x = patblt->nLeftRect;
|
|
int y = patblt->nTopRect;
|
|
int w = patblt->nWidth;
|
|
int h = patblt->nHeight;
|
|
|
|
/*
|
|
* Warn that rendering is a fallback, as the server should not be sending
|
|
* this order.
|
|
*/
|
|
guac_client_log(client, GUAC_LOG_INFO, "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_common_surface_set(current_surface, x, y, w, h,
|
|
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_common_surface_set(current_surface, x, y, w, h,
|
|
(patblt->foreColor >> 16) & 0xFF,
|
|
(patblt->foreColor >> 8 ) & 0xFF,
|
|
(patblt->foreColor ) & 0xFF,
|
|
0xFF);
|
|
break;
|
|
|
|
/* If whiteness, send white rectangle */
|
|
case 0xFF:
|
|
guac_common_surface_set(current_surface, x, y, w, h,
|
|
0xFF, 0xFF, 0xFF, 0xFF);
|
|
break;
|
|
|
|
/* Otherwise, invert entire rect */
|
|
default:
|
|
guac_common_surface_transfer(current_surface, x, y, w, h,
|
|
GUAC_TRANSFER_BINARY_NDEST, current_surface, x, y);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void guac_rdp_gdi_scrblt(rdpContext* context, SCRBLT_ORDER* scrblt) {
|
|
|
|
guac_client* client = ((rdp_freerdp_context*) context)->client;
|
|
guac_common_surface* current_surface = ((guac_rdp_client*) client->data)->current_surface;
|
|
|
|
int x = scrblt->nLeftRect;
|
|
int y = scrblt->nTopRect;
|
|
int w = scrblt->nWidth;
|
|
int h = scrblt->nHeight;
|
|
|
|
int x_src = scrblt->nXSrc;
|
|
int y_src = scrblt->nYSrc;
|
|
|
|
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
|
|
|
|
/* Copy screen rect to current surface */
|
|
guac_common_surface_copy(rdp_client->display->default_surface,
|
|
x_src, y_src, w, h, current_surface, x, y);
|
|
|
|
}
|
|
|
|
void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
|
|
|
|
guac_client* client = ((rdp_freerdp_context*) context)->client;
|
|
guac_common_surface* current_surface = ((guac_rdp_client*) client->data)->current_surface;
|
|
guac_rdp_bitmap* bitmap = (guac_rdp_bitmap*) memblt->bitmap;
|
|
|
|
int x = memblt->nLeftRect;
|
|
int y = memblt->nTopRect;
|
|
int w = memblt->nWidth;
|
|
int h = memblt->nHeight;
|
|
|
|
int x_src = memblt->nXSrc;
|
|
int y_src = memblt->nYSrc;
|
|
|
|
/* Make sure that the recieved bitmap is not NULL before processing */
|
|
if (bitmap == NULL) {
|
|
guac_client_log(client, GUAC_LOG_INFO, "NULL bitmap found in memblt instruction.");
|
|
return;
|
|
}
|
|
|
|
switch (memblt->bRop) {
|
|
|
|
/* If blackness, send black rectangle */
|
|
case 0x00:
|
|
guac_common_surface_set(current_surface, x, y, w, h,
|
|
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 (bitmap->layer == NULL && 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*(x_src + y_src*memblt->bitmap->width),
|
|
CAIRO_FORMAT_RGB24, w, h, 4*memblt->bitmap->width);
|
|
|
|
/* Send surface to buffer */
|
|
guac_common_surface_draw(current_surface, x, y, surface);
|
|
|
|
/* Free surface */
|
|
cairo_surface_destroy(surface);
|
|
|
|
}
|
|
}
|
|
|
|
/* Otherwise, copy */
|
|
else
|
|
guac_common_surface_copy(bitmap->layer->surface,
|
|
x_src, y_src, w, h, current_surface, x, y);
|
|
|
|
/* Increment usage counter */
|
|
((guac_rdp_bitmap*) bitmap)->used++;
|
|
|
|
break;
|
|
|
|
/* If whiteness, send white rectangle */
|
|
case 0xFF:
|
|
guac_common_surface_set(current_surface, x, y, w, h,
|
|
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_common_surface_transfer(bitmap->layer->surface,
|
|
x_src, y_src, w, h,
|
|
guac_rdp_rop3_transfer_function(client, memblt->bRop),
|
|
current_surface, x, y);
|
|
|
|
/* Increment usage counter */
|
|
((guac_rdp_bitmap*) bitmap)->used++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void guac_rdp_gdi_opaquerect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect) {
|
|
|
|
/* Get client data */
|
|
guac_client* client = ((rdp_freerdp_context*) context)->client;
|
|
|
|
UINT32 color = guac_rdp_convert_color(context, opaque_rect->color);
|
|
|
|
guac_common_surface* current_surface = ((guac_rdp_client*) client->data)->current_surface;
|
|
|
|
int x = opaque_rect->nLeftRect;
|
|
int y = opaque_rect->nTopRect;
|
|
int w = opaque_rect->nWidth;
|
|
int h = opaque_rect->nHeight;
|
|
|
|
guac_common_surface_set(current_surface, x, y, w, h,
|
|
(color >> 16) & 0xFF,
|
|
(color >> 8 ) & 0xFF,
|
|
(color ) & 0xFF,
|
|
0xFF);
|
|
|
|
}
|
|
|
|
void guac_rdp_gdi_set_bounds(rdpContext* context, rdpBounds* bounds) {
|
|
|
|
guac_client* client = ((rdp_freerdp_context*) context)->client;
|
|
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
|
|
|
|
/* If no bounds given, clear bounding rect */
|
|
if (bounds == NULL)
|
|
guac_common_surface_reset_clip(rdp_client->display->default_surface);
|
|
|
|
/* Otherwise, set bounding rectangle */
|
|
else
|
|
guac_common_surface_clip(rdp_client->display->default_surface,
|
|
bounds->left, bounds->top,
|
|
bounds->right - bounds->left + 1,
|
|
bounds->bottom - bounds->top + 1);
|
|
|
|
}
|
|
|
|
void guac_rdp_gdi_end_paint(rdpContext* context) {
|
|
/* IGNORE */
|
|
}
|
|
|
|
void guac_rdp_gdi_desktop_resize(rdpContext* context) {
|
|
|
|
guac_client* client = ((rdp_freerdp_context*) context)->client;
|
|
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
|
|
|
|
guac_common_surface_resize(rdp_client->display->default_surface,
|
|
guac_rdp_get_width(context->instance),
|
|
guac_rdp_get_height(context->instance));
|
|
|
|
guac_common_surface_reset_clip(rdp_client->display->default_surface);
|
|
|
|
guac_client_log(client, GUAC_LOG_DEBUG, "Server resized display to %ix%i",
|
|
guac_rdp_get_width(context->instance),
|
|
guac_rdp_get_height(context->instance));
|
|
|
|
}
|
|
|
|
|