guacamole-spice-protocol/src/common/guac_ibar_cursor.c

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/*
* Copyright (C) 2015 Glyptodon LLC
*
* 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:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* 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.
*/
#include "config.h"
#include <cairo/cairo.h>
#include <guacamole/client.h>
#include <guacamole/layer.h>
#include <guacamole/protocol.h>
#include <guacamole/socket.h>
#include <guacamole/user.h>
/* Macros for prettying up the embedded image. */
#define X 0x00,0x00,0x00,0xFF
#define U 0x80,0x80,0x80,0xFF
#define O 0xFF,0xFF,0xFF,0xFF
#define _ 0x00,0x00,0x00,0x00
/* Dimensions */
const int guac_common_ibar_cursor_width = 7;
const int guac_common_ibar_cursor_height = 16;
/* Format */
const cairo_format_t guac_common_ibar_cursor_format = CAIRO_FORMAT_ARGB32;
const int guac_common_ibar_cursor_stride = 28;
/* Embedded I-bar graphic */
unsigned char guac_common_ibar_cursor[] = {
X,X,X,X,X,X,X,
X,O,O,U,O,O,X,
X,X,X,O,X,X,X,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
_,_,X,O,X,_,_,
X,X,X,O,X,X,X,
X,O,O,U,O,O,X,
X,X,X,X,X,X,X
};
void guac_common_set_ibar_cursor(guac_user* user) {
guac_client* client = user->client;
guac_socket* socket = user->socket;
/* Draw to buffer */
guac_layer* cursor = guac_client_alloc_buffer(client);
cairo_surface_t* graphic = cairo_image_surface_create_for_data(
guac_common_ibar_cursor,
guac_common_ibar_cursor_format,
guac_common_ibar_cursor_width,
guac_common_ibar_cursor_height,
guac_common_ibar_cursor_stride);
guac_user_stream_png(user, socket, GUAC_COMP_SRC, cursor,
0, 0, graphic);
cairo_surface_destroy(graphic);
/* Set cursor */
guac_protocol_send_cursor(socket, 0, 0, cursor,
guac_common_ibar_cursor_width / 2,
guac_common_ibar_cursor_height / 2,
guac_common_ibar_cursor_width,
guac_common_ibar_cursor_height);
/* Free buffer */
guac_client_free_buffer(client, cursor);
guac_client_log(client, GUAC_LOG_DEBUG,
"Client cursor image set to generic built-in I-bar.");
}