guacamole-spice-protocol/src/protocols/rdp/rdp_pointer.c
2016-03-28 20:39:19 -07:00

104 lines
3.2 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 "guac_cursor.h"
#include "guac_display.h"
#include "rdp.h"
#include "rdp_pointer.h"
#include <cairo/cairo.h>
#include <freerdp/freerdp.h>
#include <guacamole/client.h>
#include <stdlib.h>
void guac_rdp_pointer_new(rdpContext* context, rdpPointer* pointer) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
/* Allocate buffer */
guac_common_display_layer* buffer = guac_common_display_alloc_buffer(
rdp_client->display, pointer->width, pointer->height);
/* Allocate data for image */
unsigned char* data =
(unsigned char*) malloc(pointer->width * pointer->height * 4);
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_common_surface_draw(buffer->surface, 0, 0, surface);
/* Free surface */
cairo_surface_destroy(surface);
free(data);
/* Remember buffer */
((guac_rdp_pointer*) pointer)->layer = buffer;
}
void guac_rdp_pointer_set(rdpContext* context, rdpPointer* pointer) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
/* Set cursor */
guac_common_cursor_set_surface(rdp_client->display->cursor,
pointer->xPos, pointer->yPos,
((guac_rdp_pointer*) pointer)->layer->surface);
}
void guac_rdp_pointer_free(rdpContext* context, rdpPointer* pointer) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
guac_common_display_layer* buffer = ((guac_rdp_pointer*) pointer)->layer;
/* Free buffer */
guac_common_display_free_buffer(rdp_client->display, buffer);
}
void guac_rdp_pointer_set_null(rdpContext* context) {
/* STUB */
}
void guac_rdp_pointer_set_default(rdpContext* context) {
/* STUB */
}