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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 UI_GFX_GEOMETRY_SIZE_H_
#define UI_GFX_GEOMETRY_SIZE_H_
#include <iosfwd>
#include <string>
#include "base/compiler_specific.h"
#include "ui/gfx/geometry/size_f.h"
#include "ui/gfx/gfx_export.h"
#if defined(OS_WIN)
typedef struct tagSIZE SIZE;
#elif defined(OS_MACOSX)
typedef struct CGSize CGSize;
#endif
namespace gfx {
// A size has width and height values.
class GFX_EXPORT Size {
public:
Size() : width_(0), height_(0) {}
Size(int width, int height)
: width_(width < 0 ? 0 : width), height_(height < 0 ? 0 : height) {}
#if defined(OS_MACOSX)
explicit Size(const CGSize& s);
#endif
~Size() {}
#if defined(OS_MACOSX)
Size& operator=(const CGSize& s);
#endif
#if defined(OS_WIN)
SIZE ToSIZE() const;
#elif defined(OS_MACOSX)
CGSize ToCGSize() const;
#endif
int width() const { return width_; }
int height() const { return height_; }
void set_width(int width) { width_ = width < 0 ? 0 : width; }
void set_height(int height) { height_ = height < 0 ? 0 : height; }
int GetArea() const;
void SetSize(int width, int height) {
set_width(width);
set_height(height);
}
void Enlarge(int grow_width, int grow_height);
void SetToMin(const Size& other);
void SetToMax(const Size& other);
bool IsEmpty() const { return !width() || !height(); }
operator SizeF() const {
return SizeF(static_cast<float>(width()), static_cast<float>(height()));
}
std::string ToString() const;
private:
int width_;
int height_;
};
inline bool operator==(const Size& lhs, const Size& rhs) {
return lhs.width() == rhs.width() && lhs.height() == rhs.height();
}
inline bool operator!=(const Size& lhs, const Size& rhs) {
return !(lhs == rhs);
}
// This is declared here for use in gtest-based unit tests but is defined in
// the gfx_test_support target. Depend on that to use this in your unit test.
// This should not be used in production code - call ToString() instead.
void PrintTo(const Size& size, ::std::ostream* os);
} // namespace gfx
#endif // UI_GFX_GEOMETRY_SIZE_H_
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