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// Copyright (c) 2010 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 GFX_SIZE_H_
#define GFX_SIZE_H_
#pragma once
#include "build/build_config.h"
#include <iosfwd>
#if defined(OS_WIN)
typedef struct tagSIZE SIZE;
#elif defined(OS_MACOSX)
#include <ApplicationServices/ApplicationServices.h>
#endif
namespace gfx {
// A size has width and height values.
class Size {
public:
Size() : width_(0), height_(0) {}
Size(int width, int height);
#if defined(OS_MACOSX)
explicit Size(const CGSize& s);
#endif
~Size() {}
#if defined(OS_MACOSX)
Size& operator=(const CGSize& s);
#endif
int width() const { return width_; }
int height() const { return height_; }
int GetArea() const { return width_ * height_; }
void SetSize(int width, int height) {
set_width(width);
set_height(height);
}
void Enlarge(int width, int height) {
set_width(width_ + width);
set_height(height_ + height);
}
void set_width(int width);
void set_height(int height);
bool operator==(const Size& s) const {
return width_ == s.width_ && height_ == s.height_;
}
bool operator!=(const Size& s) const {
return !(*this == s);
}
bool IsEmpty() const {
// Size doesn't allow negative dimensions, so testing for 0 is enough.
return (width_ == 0) || (height_ == 0);
}
#if defined(OS_WIN)
SIZE ToSIZE() const;
#elif defined(OS_MACOSX)
CGSize ToCGSize() const;
#endif
private:
int width_;
int height_;
};
} // namespace gfx
std::ostream& operator<<(std::ostream& out, const gfx::Size& s);
#endif // GFX_SIZE_H_
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