/* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is libguac-client-rdp. * * The Initial Developer of the Original Code is * Michael Jumper. * Portions created by the Initial Developer are Copyright (C) 2011 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Matt Hortman * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include #include #include #include #include #include #include #include #include #include #include "client.h" #include "rdp_bitmap.h" void guac_rdp_cache_bitmap(rdpContext* context, rdpBitmap* bitmap) { guac_client* client = ((rdp_freerdp_context*) context)->client; guac_socket* socket = client->socket; /* Allocate buffer */ guac_layer* buffer = guac_client_alloc_buffer(client); /* Cache image data if present */ if (bitmap->data != NULL) { /* Create surface from image data */ cairo_surface_t* surface = cairo_image_surface_create_for_data( bitmap->data, CAIRO_FORMAT_RGB24, bitmap->width, bitmap->height, 4*bitmap->width); /* Send surface to buffer */ guac_protocol_send_png(socket, GUAC_COMP_SRC, buffer, 0, 0, surface); /* Free surface */ cairo_surface_destroy(surface); } /* Store buffer reference in bitmap */ ((guac_rdp_bitmap*) bitmap)->layer = buffer; } void guac_rdp_bitmap_new(rdpContext* context, rdpBitmap* bitmap) { /* Convert image data if present */ if (bitmap->data != NULL) { /* Convert image data to 32-bit RGB */ unsigned char* image_buffer = freerdp_image_convert(bitmap->data, NULL, bitmap->width, bitmap->height, context->instance->settings->color_depth, 32, ((rdp_freerdp_context*) context)->clrconv); /* Free existing image, if any */ if (image_buffer != bitmap->data) free(bitmap->data); /* Store converted image in bitmap */ bitmap->data = image_buffer; } /* No corresponding layer yet - caching is deferred. */ ((guac_rdp_bitmap*) bitmap)->layer = NULL; /* Start at zero usage */ ((guac_rdp_bitmap*) bitmap)->used = 0; } void guac_rdp_bitmap_paint(rdpContext* context, rdpBitmap* bitmap) { guac_client* client = ((rdp_freerdp_context*) context)->client; guac_socket* socket = client->socket; int width = bitmap->right - bitmap->left + 1; int height = bitmap->bottom - bitmap->top + 1; /* If not cached, cache if necessary */ if (((guac_rdp_bitmap*) bitmap)->layer == NULL && ((guac_rdp_bitmap*) bitmap)->used >= 1) guac_rdp_cache_bitmap(context, bitmap); /* If cached, retrieve from cache */ if (((guac_rdp_bitmap*) bitmap)->layer != NULL) guac_protocol_send_copy(socket, ((guac_rdp_bitmap*) bitmap)->layer, 0, 0, width, height, GUAC_COMP_OVER, GUAC_DEFAULT_LAYER, bitmap->left, bitmap->top); /* Otherwise, draw with stored image data */ else if (bitmap->data != NULL) { /* Create surface from image data */ cairo_surface_t* surface = cairo_image_surface_create_for_data( bitmap->data, CAIRO_FORMAT_RGB24, width, height, 4*bitmap->width); /* Send surface to buffer */ guac_protocol_send_png(socket, GUAC_COMP_OVER, GUAC_DEFAULT_LAYER, bitmap->left, bitmap->top, surface); /* Free surface */ cairo_surface_destroy(surface); } /* Increment usage counter */ ((guac_rdp_bitmap*) bitmap)->used++; } void guac_rdp_bitmap_free(rdpContext* context, rdpBitmap* bitmap) { guac_client* client = ((rdp_freerdp_context*) context)->client; /* If cached, free buffer */ if (((guac_rdp_bitmap*) bitmap)->layer != NULL) guac_client_free_buffer(client, ((guac_rdp_bitmap*) bitmap)->layer); } void guac_rdp_bitmap_setsurface(rdpContext* context, rdpBitmap* bitmap, boolean primary) { guac_client* client = ((rdp_freerdp_context*) context)->client; if (primary) ((rdp_guac_client_data*) client->data)->current_surface = GUAC_DEFAULT_LAYER; else { /* If not available as a surface, make available. */ if (((guac_rdp_bitmap*) bitmap)->layer == NULL) guac_rdp_cache_bitmap(context, bitmap); ((rdp_guac_client_data*) client->data)->current_surface = ((guac_rdp_bitmap*) bitmap)->layer; } } void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, uint8* data, int width, int height, int bpp, int length, boolean compressed) { int size = width * height * (bpp + 7) / 8; if (bitmap->data == NULL) bitmap->data = (uint8*) xmalloc(size); else bitmap->data = (uint8*) xrealloc(bitmap->data, size); if (compressed) bitmap_decompress(data, bitmap->data, width, height, length, bpp, bpp); else freerdp_image_flip(data, bitmap->data, width, height, bpp); bitmap->compressed = false; bitmap->length = size; bitmap->bpp = bpp; }