guacamole-spice-protocol/protocols/rdp/src/rdp_gdi.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):
 *
 * 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"

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;

    guac_composite_mode cmode = GUAC_COMP_OVER;

    if (memblt->bRop == 204) cmode = GUAC_COMP_OVER;
    else if (memblt->bRop == 238) cmode = GUAC_COMP_OR;
    else if (memblt->bRop == 136) cmode = GUAC_COMP_AND;
    else if (memblt->bRop == 102) cmode = GUAC_COMP_XOR2;
    else if (memblt->bRop == 187) cmode = GUAC_COMP_NOR;
    else
    {
        guac_client_log_info (client, "guac_rdp_gdi_memblt: UNSUPPORTED opcode = %d (0x%02X)", memblt->bRop, memblt->bRop);
    }

    if (bitmap->layer != NULL)
        guac_protocol_send_copy(socket,
                bitmap->layer,
                memblt->nXSrc, memblt->nYSrc, memblt->nWidth, memblt->nHeight,
                cmode,
                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);

}