161 lines
5.4 KiB
C
161 lines
5.4 KiB
C
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "color.h"
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#include "common/cursor.h"
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#include "common/display.h"
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#include "common/surface.h"
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#include "gdi.h"
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#include "pointer.h"
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#include "rdp.h"
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#include <cairo/cairo.h>
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#include <freerdp/codec/color.h>
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#include <freerdp/freerdp.h>
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#include <freerdp/gdi/gdi.h>
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#include <guacamole/client.h>
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#include <winpr/crt.h>
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BOOL 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_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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/* Allocate buffer */
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guac_common_display_layer* buffer = guac_common_display_alloc_buffer(
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rdp_client->display, pointer->width, pointer->height);
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/* Allocate data for image */
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unsigned char* data = _aligned_malloc(pointer->width * pointer->height * 4, 16);
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cairo_surface_t* surface;
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/* Convert to alpha cursor if mask data present */
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if (pointer->andMaskData && pointer->xorMaskData)
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freerdp_image_copy_from_pointer_data(data,
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guac_rdp_get_native_pixel_format(TRUE), 0, 0, 0,
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pointer->width, pointer->height, pointer->xorMaskData,
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pointer->lengthXorMask, pointer->andMaskData,
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pointer->lengthAndMask, pointer->xorBpp,
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&context->gdi->palette);
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/* Create surface from image data */
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surface = cairo_image_surface_create_for_data(
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data, CAIRO_FORMAT_ARGB32,
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pointer->width, pointer->height, 4*pointer->width);
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/* Send surface to buffer */
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guac_common_surface_draw(buffer->surface, 0, 0, surface);
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/* Free surface */
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cairo_surface_destroy(surface);
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_aligned_free(data);
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/* Remember buffer */
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((guac_rdp_pointer*) pointer)->layer = buffer;
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return TRUE;
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}
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BOOL guac_rdp_pointer_set(rdpContext* context, const rdpPointer* pointer) {
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guac_client* client = ((rdp_freerdp_context*) context)->client;
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guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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/* Add explicit frame boundaries around cursor set operation if not already
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* in a frame (the RDP protocol does not send nor expect frame boundaries
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* for cursor changes, but Guacamole does expect this) */
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int in_frame = rdp_client->in_frame;
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if (rdp_client->frames_supported && !in_frame)
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guac_rdp_gdi_mark_frame(context, 1);
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/* Set cursor */
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guac_common_cursor_set_surface(rdp_client->display->cursor,
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pointer->xPos, pointer->yPos,
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((guac_rdp_pointer*) pointer)->layer->surface);
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if (rdp_client->frames_supported && !in_frame)
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guac_rdp_gdi_mark_frame(context, 0);
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return TRUE;
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}
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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_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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guac_common_display_layer* buffer = ((guac_rdp_pointer*) pointer)->layer;
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/* Free buffer */
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guac_common_display_free_buffer(rdp_client->display, buffer);
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/* NOTE: FreeRDP-allocated memory for the rdpPointer will be automatically
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* released after this free handler is invoked */
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}
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BOOL guac_rdp_pointer_set_null(rdpContext* context) {
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guac_client* client = ((rdp_freerdp_context*) context)->client;
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guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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/* Add explicit frame boundaries around cursor set operation if not already
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* in a frame (the RDP protocol does not send nor expect frame boundaries
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* for cursor changes, but Guacamole does expect this) */
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int in_frame = rdp_client->in_frame;
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if (rdp_client->frames_supported && !in_frame)
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guac_rdp_gdi_mark_frame(context, 1);
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/* Set cursor to empty/blank graphic */
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guac_common_cursor_set_blank(rdp_client->display->cursor);
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if (rdp_client->frames_supported && !in_frame)
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guac_rdp_gdi_mark_frame(context, 0);
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return TRUE;
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}
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BOOL guac_rdp_pointer_set_default(rdpContext* context) {
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guac_client* client = ((rdp_freerdp_context*) context)->client;
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guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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/* Add explicit frame boundaries around cursor set operation if not already
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* in a frame (the RDP protocol does not send nor expect frame boundaries
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* for cursor changes, but Guacamole does expect this) */
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int in_frame = rdp_client->in_frame;
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if (rdp_client->frames_supported && !in_frame)
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guac_rdp_gdi_mark_frame(context, 1);
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/* Set cursor to embedded pointer */
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guac_common_cursor_set_pointer(rdp_client->display->cursor);
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if (rdp_client->frames_supported && !in_frame)
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guac_rdp_gdi_mark_frame(context, 0);
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return TRUE;
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}
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