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

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/*
* Copyright (C) 2013 Glyptodon LLC
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*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
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*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
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*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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#include "config.h"
#include "client.h"
#include "rdp_pointer.h"
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#include <cairo/cairo.h>
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#include <freerdp/freerdp.h>
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#include <guacamole/client.h>
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#include <guacamole/protocol.h>
#include <guacamole/socket.h>
#include <stdlib.h>
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void guac_rdp_pointer_new(rdpContext* context, rdpPointer* pointer) {
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guac_client* client = ((rdp_freerdp_context*) context)->client;
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guac_socket* socket = client->socket;
/* Allocate data for image */
unsigned char* data =
(unsigned char*) malloc(pointer->width * pointer->height * 4);
/* Allocate layer */
guac_layer* buffer = guac_client_alloc_buffer(client);
cairo_surface_t* surface;
/* Convert to alpha cursor if mask data present */
if (pointer->andMaskData && pointer->xorMaskData)
freerdp_alpha_cursor_convert(data,
pointer->xorMaskData, pointer->andMaskData,
pointer->width, pointer->height, pointer->xorBpp,
((rdp_freerdp_context*) context)->clrconv);
/* Create surface from image data */
surface = cairo_image_surface_create_for_data(
data, CAIRO_FORMAT_ARGB32,
pointer->width, pointer->height, 4*pointer->width);
/* Send surface to buffer */
guac_protocol_send_png(socket, GUAC_COMP_SRC, buffer, 0, 0, surface);
/* Free surface */
cairo_surface_destroy(surface);
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free(data);
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/* Remember buffer */
((guac_rdp_pointer*) pointer)->layer = buffer;
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}
void guac_rdp_pointer_set(rdpContext* context, rdpPointer* pointer) {
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guac_client* client = ((rdp_freerdp_context*) context)->client;
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guac_socket* socket = client->socket;
/* Set cursor */
guac_protocol_send_cursor(socket, pointer->xPos, pointer->yPos,
((guac_rdp_pointer*) pointer)->layer,
0, 0, pointer->width, pointer->height);
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}
void guac_rdp_pointer_free(rdpContext* context, rdpPointer* pointer) {
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guac_client* client = ((rdp_freerdp_context*) context)->client;
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guac_client_free_buffer(client, ((guac_rdp_pointer*) pointer)->layer);
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}
void guac_rdp_pointer_set_null(rdpContext* context) {
/* STUB */
}
void guac_rdp_pointer_set_default(rdpContext* context) {
/* STUB */
}