| /* |
| * 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 "display.h" |
| #include "image-stream.h" |
| #include "log.h" |
| |
| #include <guacamole/client.h> |
| |
| #include <stdlib.h> |
| |
| int guacenc_display_create_image_stream(guacenc_display* display, int index, |
| int mask, int layer_index, const char* mimetype, int x, int y) { |
| |
| /* Do not lookup / allocate if index is invalid */ |
| if (index < 0 || index >= GUACENC_DISPLAY_MAX_STREAMS) { |
| guacenc_log(GUAC_LOG_WARNING, "Stream index out of bounds: %i", index); |
| return 1; |
| } |
| |
| /* Free existing stream (if any) */ |
| guacenc_image_stream_free(display->image_streams[index]); |
| |
| /* Associate new stream */ |
| guacenc_image_stream* stream = display->image_streams[index] = |
| guacenc_image_stream_alloc(mask, layer_index, mimetype, x, y); |
| |
| /* Return zero only if stream is not NULL */ |
| return stream == NULL; |
| |
| } |
| |
| guacenc_image_stream* guacenc_display_get_image_stream( |
| guacenc_display* display, int index) { |
| |
| /* Do not lookup / allocate if index is invalid */ |
| if (index < 0 || index >= GUACENC_DISPLAY_MAX_STREAMS) { |
| guacenc_log(GUAC_LOG_WARNING, "Stream index out of bounds: %i", index); |
| return NULL; |
| } |
| |
| /* Return existing stream (if any) */ |
| return display->image_streams[index]; |
| |
| } |
| |
| int guacenc_display_free_image_stream(guacenc_display* display, int index) { |
| |
| /* Do not lookup / allocate if index is invalid */ |
| if (index < 0 || index >= GUACENC_DISPLAY_MAX_STREAMS) { |
| guacenc_log(GUAC_LOG_WARNING, "Stream index out of bounds: %i", index); |
| return 1; |
| } |
| |
| /* Free stream (if allocated) */ |
| guacenc_image_stream_free(display->image_streams[index]); |
| |
| /* Mark stream as freed */ |
| display->image_streams[index] = NULL; |
| |
| return 0; |
| |
| } |
| |