2 * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
28 thread_local int ScopeTrace::indent = 0;
29 ScopeTrace::ScopeTrace(char const *func) : f(func) {
30 fprintf(stderr, "%lu %*s%s -->\n", pthread_self(), 2 * indent++, "", this->f);
32 ScopeTrace::~ScopeTrace() { fprintf(stderr, "%lu %*s%s <--\n", pthread_self(), 2 * --indent, "", this->f); }
35 unique_fd::~unique_fd() {
41 void rectangle::scale(int to_w, int to_h, bool keep_aspect)
49 int64_t resized_w = int64_t(to_h) * int64_t(w) / int64_t(h);
51 if (resized_w <= to_w) {
52 /* use aspect by height */
56 /* use aspect by width */
58 h = int64_t(to_w) * int64_t(h) / int64_t(w);
62 void rectangle::center(int outer_w, int outer_h)
64 x = (outer_w - w) / 2;
65 y = (outer_h - h) / 2;