/* * 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 "color.h" #include "common/cursor.h" #include "common/display.h" #include "common/surface.h" #include "gdi.h" #include "pointer.h" #include "rdp.h" #include #include #include #include #include #include BOOL 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 = _aligned_malloc(pointer->width * pointer->height * 4, 16); cairo_surface_t* surface; /* Convert to alpha cursor if mask data present */ if (pointer->andMaskData && pointer->xorMaskData) freerdp_image_copy_from_pointer_data(data, guac_rdp_get_native_pixel_format(TRUE), 0, 0, 0, pointer->width, pointer->height, pointer->xorMaskData, pointer->lengthXorMask, pointer->andMaskData, pointer->lengthAndMask, pointer->xorBpp, &context->gdi->palette); /* 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); _aligned_free(data); /* Remember buffer */ ((guac_rdp_pointer*) pointer)->layer = buffer; return TRUE; } BOOL guac_rdp_pointer_set(rdpContext* context, const rdpPointer* pointer) { guac_client* client = ((rdp_freerdp_context*) context)->client; guac_rdp_client* rdp_client = (guac_rdp_client*) client->data; /* Add explicit frame boundaries around cursor set operation if not already * in a frame (the RDP protocol does not send nor expect frame boundaries * for cursor changes, but Guacamole does expect this) */ int in_frame = rdp_client->in_frame; if (rdp_client->frames_supported && !in_frame) guac_rdp_gdi_mark_frame(context, 1); /* Set cursor */ guac_common_cursor_set_surface(rdp_client->display->cursor, pointer->xPos, pointer->yPos, ((guac_rdp_pointer*) pointer)->layer->surface); if (rdp_client->frames_supported && !in_frame) guac_rdp_gdi_mark_frame(context, 0); return TRUE; } 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); /* NOTE: FreeRDP-allocated memory for the rdpPointer will be automatically * released after this free handler is invoked */ } BOOL guac_rdp_pointer_set_null(rdpContext* context) { guac_client* client = ((rdp_freerdp_context*) context)->client; guac_rdp_client* rdp_client = (guac_rdp_client*) client->data; /* Add explicit frame boundaries around cursor set operation if not already * in a frame (the RDP protocol does not send nor expect frame boundaries * for cursor changes, but Guacamole does expect this) */ int in_frame = rdp_client->in_frame; if (rdp_client->frames_supported && !in_frame) guac_rdp_gdi_mark_frame(context, 1); /* Set cursor to empty/blank graphic */ guac_common_cursor_set_blank(rdp_client->display->cursor); if (rdp_client->frames_supported && !in_frame) guac_rdp_gdi_mark_frame(context, 0); return TRUE; } BOOL guac_rdp_pointer_set_default(rdpContext* context) { guac_client* client = ((rdp_freerdp_context*) context)->client; guac_rdp_client* rdp_client = (guac_rdp_client*) client->data; /* Add explicit frame boundaries around cursor set operation if not already * in a frame (the RDP protocol does not send nor expect frame boundaries * for cursor changes, but Guacamole does expect this) */ int in_frame = rdp_client->in_frame; if (rdp_client->frames_supported && !in_frame) guac_rdp_gdi_mark_frame(context, 1); /* Set cursor to embedded pointer */ guac_common_cursor_set_pointer(rdp_client->display->cursor); if (rdp_client->frames_supported && !in_frame) guac_rdp_gdi_mark_frame(context, 0); return TRUE; }