| /* |
| * 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. |
| */ |
| |
| |
| #ifndef _GUAC_RDP_RDP_BITMAP_H |
| #define _GUAC_RDP_RDP_BITMAP_H |
| |
| #include "config.h" |
| #include "common/display.h" |
| |
| #include <freerdp/freerdp.h> |
| #include <guacamole/layer.h> |
| |
| #ifdef ENABLE_WINPR |
| #include <winpr/wtypes.h> |
| #else |
| #include "compat/winpr-wtypes.h" |
| #endif |
| |
| /** |
| * Guacamole-specific rdpBitmap data. |
| */ |
| typedef struct guac_rdp_bitmap { |
| |
| /** |
| * FreeRDP bitmap data - MUST GO FIRST. |
| */ |
| rdpBitmap bitmap; |
| |
| /** |
| * Layer containing cached image data. |
| */ |
| guac_common_display_layer* layer; |
| |
| /** |
| * The number of times a bitmap has been used. |
| */ |
| int used; |
| |
| } guac_rdp_bitmap; |
| |
| /** |
| * Caches the given bitmap immediately, storing its data in a remote Guacamole |
| * buffer. As RDP bitmaps are frequently created, used once, and immediately |
| * destroyed, we defer actual remote-side caching of RDP bitmaps until they are |
| * used at least once. |
| * |
| * @param context |
| * The rdpContext associated with the current RDP session. |
| * |
| * @param bitmap |
| * The bitmap to cache. |
| */ |
| void guac_rdp_cache_bitmap(rdpContext* context, rdpBitmap* bitmap); |
| |
| /** |
| * Initializes the given newly-created rdpBitmap. |
| * |
| * @param context |
| * The rdpContext associated with the current RDP session. |
| * |
| * @param bitmap |
| * The bitmap to initialize. |
| */ |
| void guac_rdp_bitmap_new(rdpContext* context, rdpBitmap* bitmap); |
| |
| /** |
| * Paints the given rdpBitmap on the primary display surface. Note that this |
| * operation does NOT draw to the "current" surface set by calls to |
| * guac_rdp_bitmap_setsurface(). |
| * |
| * @param context |
| * The rdpContext associated with the current RDP session. |
| * |
| * @param bitmap |
| * The bitmap to paint. This structure will also contain the specifics of |
| * the paint operation to perform, including the destination X/Y |
| * coordinates. |
| */ |
| void guac_rdp_bitmap_paint(rdpContext* context, rdpBitmap* bitmap); |
| |
| /** |
| * Frees any Guacamole-specific data associated with the given rdpBitmap. |
| * |
| * @param context |
| * The rdpContext associated with the current RDP session. |
| * |
| * @param bitmap |
| * The bitmap whose Guacamole-specific data is to be freed. |
| */ |
| void guac_rdp_bitmap_free(rdpContext* context, rdpBitmap* bitmap); |
| |
| /** |
| * Sets the given rdpBitmap as the drawing surface for future operations or, |
| * if the primary flag is set, resets the current drawing surface to the |
| * primary drawing surface of the remote display. |
| * |
| * @param context |
| * The rdpContext associated with the current RDP session. |
| * |
| * @param bitmap |
| * The rdpBitmap to set as the current drawing surface. This parameter is |
| * only valid if the primary flag is FALSE. |
| * |
| * @param primary |
| * TRUE if the bitmap parameter should be ignored, and the current drawing |
| * surface should be reset to the primary drawing surface of the remote |
| * display, FALSE otherwise. |
| */ |
| void guac_rdp_bitmap_setsurface(rdpContext* context, rdpBitmap* bitmap, |
| BOOL primary); |
| |
| #ifdef LEGACY_RDPBITMAP |
| /** |
| * Decompresses or copies the given image data, storing the result within the |
| * given bitmap, depending on the compressed flag. Note that even if the |
| * received data is not compressed, it is the duty of this function to also |
| * flip received data, if the row order is backwards. |
| * |
| * @param context |
| * The rdpContext associated with the current RDP session. |
| * |
| * @param bitmap |
| * The bitmap in which the decompressed/copied data should be stored. |
| * |
| * @param data |
| * Possibly-compressed image data. |
| * |
| * @param width |
| * The width of the image data, in pixels. |
| * |
| * @param height |
| * The height of the image data, in pixels. |
| * |
| * @param bpp |
| * The number of bits per pixel in the image data. |
| * |
| * @param length |
| * The length of the image data, in bytes. |
| * |
| * @param compressed |
| * TRUE if the image data is compressed, FALSE otherwise. |
| */ |
| void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, |
| UINT8* data, int width, int height, int bpp, int length, |
| BOOL compressed); |
| #else |
| /** |
| * Decompresses or copies the given image data, storing the result within the |
| * given bitmap, depending on the compressed flag. Note that even if the |
| * received data is not compressed, it is the duty of this function to also |
| * flip received data, if the row order is backwards. |
| * |
| * @param context |
| * The rdpContext associated with the current RDP session. |
| * |
| * @param bitmap |
| * The bitmap in which the decompressed/copied data should be stored. |
| * |
| * @param data |
| * Possibly-compressed image data. |
| * |
| * @param width |
| * The width of the image data, in pixels. |
| * |
| * @param height |
| * The height of the image data, in pixels. |
| * |
| * @param bpp |
| * The number of bits per pixel in the image data. |
| * |
| * @param length |
| * The length of the image data, in bytes. |
| * |
| * @param compressed |
| * TRUE if the image data is compressed, FALSE otherwise. |
| * |
| * @param codec_id |
| * The ID of the codec used to compress the image data. This parameter is |
| * currently ignored. |
| */ |
| void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, |
| UINT8* data, int width, int height, int bpp, int length, |
| BOOL compressed, int codec_id); |
| #endif |
| |
| #endif |