instruction-rect.c (1836B)
1/* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20#include "config.h" 21#include "buffer.h" 22#include "display.h" 23#include "log.h" 24 25#include <cairo/cairo.h> 26#include <guacamole/client.h> 27 28#include <stdlib.h> 29 30int guacenc_handle_rect(guacenc_display* display, int argc, char** argv) { 31 32 /* Verify argument count */ 33 if (argc < 5) { 34 guacenc_log(GUAC_LOG_WARNING, "\"rect\" instruction incomplete"); 35 return 1; 36 } 37 38 /* Parse arguments */ 39 int index = atoi(argv[0]); 40 int x = atoi(argv[1]); 41 int y = atoi(argv[2]); 42 int width = atoi(argv[3]); 43 int height = atoi(argv[4]); 44 45 /* Pull buffer of requested layer/buffer */ 46 guacenc_buffer* buffer = guacenc_display_get_related_buffer(display, index); 47 if (buffer == NULL) 48 return 1; 49 50 /* Expand the buffer as necessary to fit the draw operation */ 51 if (buffer->autosize) 52 guacenc_buffer_fit(buffer, x + width, y + height); 53 54 /* Set path to rectangle */ 55 if (buffer->cairo != NULL) 56 cairo_rectangle(buffer->cairo, x, y, width, height); 57 58 return 0; 59 60} 61