Gui.cpp

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include "visualization/gui/Gui.h"
 
#include <algorithm>
 
namespace cloudViewer {
namespace visualization {
namespace gui {
 
Point::Point() : x(0), y(0) {}
 
Point::Point(int x_, int y_) : x(x_), y(y_) {}
 
// ----------------------------------------------------------------------------
Size::Size() : width(0), height(0) {}
 
Size::Size(int w, int h) : width(w), height(h) {}
 
// ----------------------------------------------------------------------------
Rect::Rect() : x(0), y(0), width(0), height(0) {}
 
Rect::Rect(int x_, int y_, int w_, int h_)
    : x(x_), y(y_), width(w_), height(h_) {}
 
int Rect::GetTop() const { return this->y; }
 
int Rect::GetBottom() const { return this->y + this->height; }
 
int Rect::GetLeft() const { return this->x; }
 
int Rect::GetRight() const { return this->x + this->width; }
 
bool Rect::Contains(int x, int y) const {
    return (x >= this->x && x <= GetRight() && y >= this->y &&
            y <= GetBottom());
}
 
bool Rect::Contains(const Point& pt) const { return Contains(pt.x, pt.y); }
 
Rect Rect::UnionedWith(const Rect& r) const {
    auto newX = std::min(this->x, r.x);
    auto newY = std::min(this->y, r.y);
    auto w = std::max(GetRight() - newX, r.GetRight() - newX);
    auto h = std::max(GetBottom() - newY, r.GetBottom() - newY);
    return Rect(newX, newY, w, h);
}
 
bool Rect::operator==(const Rect& other) const {
    return (this->x == other.x && this->y == other.y &&
            this->width == other.width && this->height == other.height);
}
 
bool Rect::operator!=(const Rect& other) const { return !operator==(other); }
 
}  // namespace gui
}  // namespace visualization
}  // namespace cloudViewer