| /* |
| * 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 <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 O 0xFF,0xFF,0xFF,0xFF |
| #define _ 0x00,0x00,0x00,0x00 |
| |
| /* Dimensions */ |
| const int guac_common_dot_cursor_width = 5; |
| const int guac_common_dot_cursor_height = 5; |
| |
| /* Format */ |
| const cairo_format_t guac_common_dot_cursor_format = CAIRO_FORMAT_ARGB32; |
| const int guac_common_dot_cursor_stride = 20; |
| |
| /* Embedded pointer graphic */ |
| unsigned char guac_common_dot_cursor[] = { |
| |
| _,O,O,O,_, |
| O,X,X,X,O, |
| O,X,X,X,O, |
| O,X,X,X,O, |
| _,O,O,O,_ |
| |
| }; |
| |
| void guac_common_set_dot_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_dot_cursor, |
| guac_common_dot_cursor_format, |
| guac_common_dot_cursor_width, |
| guac_common_dot_cursor_height, |
| guac_common_dot_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, 2, 2, cursor, |
| 0, 0, |
| guac_common_dot_cursor_width, |
| guac_common_dot_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 dot."); |
| |
| } |
| |