/*
- * Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
+ * 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.
#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(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);
- }
+unique_fd::~unique_fd()
+{
+ if (this->fd != -1)
+ {
+ close(this->fd);
+ }
}
+
+void rectangle::fit(unsigned long to_width, unsigned long to_height)
+{
+ // fit rect within (to_width x to_height)
+
+ if (to_width <= width()) {
+ // scale to fit with
+ set_bottom(top() + (static_cast<long>(to_width) * height() / width()) - 1);
+ set_right(left() + to_width - 1);
+ } else {
+ // scale to fit height
+ set_right(left() + (static_cast<long>(to_height) * width () / height()) - 1);
+ set_bottom(top() + to_height - 1);
+ }
+}
+
+void rectangle::center(unsigned long outer_w, unsigned long outer_h)
+{
+ long inner_w = width();
+ long inner_h = height();
+
+ set_left((outer_w - inner_w) / 2);
+ set_right(left() + inner_w - 1);
+ set_top((outer_h - inner_h) / 2);
+ set_bottom(top() + inner_h - 1);
+}
+
+void rectangle::set_aspect(double ratio)
+{
+ // aspect ratio is width:height (= width/height)
+ // e.g. Landscape of HD's ratio is 16:9 (= 1.777...)
+ // Portrait of HD's ratio is 9:16 (= 0.5625)
+ //
+ // width / height = ratio
+ // width * height = area
+ //
+ // width = sqrt(ratio * area)
+ // height = width / ratio
+
+ long orig_w = width();
+ long orig_h = height();
+
+ if (ratio >= 1) {
+ // width >= height
+ // try to keep width
+ set_right(left() + orig_w - 1);
+ set_bottom(top() + static_cast<long>(orig_w / ratio + 0.5) - 1);
+ } else {
+ set_bottom(top() + orig_h - 1);
+ set_right(left() + static_cast<long>(orig_h * ratio + 0.5) - 1);
+ }
+}
+