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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COBALT_MATH_SIZE_BASE_H_
#define COBALT_MATH_SIZE_BASE_H_
namespace cobalt {
namespace math {
// A size has width and height values.
template <typename Class, typename Type>
class SizeBase {
public:
Type width() const { return width_; }
Type height() const { return height_; }
void SetSize(Type width, Type height) {
set_width(width);
set_height(height);
}
void Enlarge(Type width, Type height) {
set_width(width_ + width);
set_height(height_ + height);
}
void set_width(Type width) { width_ = width; }
void set_height(Type height) { height_ = height; }
void SetToMin(const Class& other) {
width_ = width_ <= other.width_ ? width_ : other.width_;
height_ = height_ <= other.height_ ? height_ : other.height_;
}
void SetToMax(const Class& other) {
width_ = width_ >= other.width_ ? width_ : other.width_;
height_ = height_ >= other.height_ ? height_ : other.height_;
}
bool IsEmpty() const { return (width_ == Type(0)) || (height_ == Type(0)); }
protected:
SizeBase() {}
SizeBase(Type width, Type height) : width_(width), height_(height) {}
// Destructor is intentionally made non virtual and protected.
// Do not make this public.
~SizeBase() {}
private:
Type width_;
Type height_;
};
} // namespace math
} // namespace cobalt
#endif // COBALT_MATH_SIZE_BASE_H_