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/*
* Copyright (c) 2017 TOYOTA MOTOR CORPORATION
*
* Licensed 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 "util.hpp"
#include <cerrno>
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <unistd.h>
#ifdef SCOPE_TRACING
thread_local int ScopeTrace::indent = 0;
ScopeTrace::ScopeTrace(char const *func) : f(func) {
fprintf(stderr, "%lu %*s%s -->\n", pthread_self(), 2 * indent++, "", this->f);
}
ScopeTrace::~ScopeTrace() { fprintf(stderr, "%lu %*s%s <--\n", pthread_self(), 2 * --indent, "", this->f); }
#endif
unique_fd::~unique_fd() {
if (this->fd != -1) {
close(this->fd);
}
}
void rectangle::scale(int to_w, int to_h, bool keep_aspect)
{
if (!keep_aspect) {
w = to_w;
h = to_h;
return;
}
int64_t resized_w = int64_t(to_h) * int64_t(w) / int64_t(h);
if (resized_w <= to_w) {
/* use aspect by height */
w = resized_w;
h = to_h;
} else {
/* use aspect by width */
w = to_h;
h = int64_t(to_h) * int64_t(h) / int64_t(w);
}
}
void rectangle::center(int outer_w, int outer_h)
{
x = (outer_w - w) / 2;
y = (outer_h - h) / 2;
}
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