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// Copyright (c) 2006-2008 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_INSETS_H_
#define GFX_INSETS_H_
#pragma once
#include "build/build_config.h"
#if defined(OS_POSIX) && !defined(OS_MACOSX)
#include <gtk/gtkstyle.h>
#endif
#include <string>
namespace gfx {
//
// An insets represents the borders of a container (the space the container must
// leave at each of its edges).
//
class Insets {
public:
Insets() : top_(0), left_(0), bottom_(0), right_(0) {}
Insets(int top, int left, int bottom, int right)
: top_(top),
left_(left),
bottom_(bottom),
right_(right) {}
#if defined(OS_POSIX) && !defined(OS_MACOSX)
explicit Insets(const GtkBorder& border)
: top_(border.top),
left_(border.left),
bottom_(border.bottom),
right_(border.right) {}
#endif
~Insets() {}
int top() const { return top_; }
int left() const { return left_; }
int bottom() const { return bottom_; }
int right() const { return right_; }
// Returns the total width taken up by the insets, which is the sum of the
// left and right insets.
int width() const { return left_ + right_; }
// Returns the total height taken up by the insets, which is the sum of the
// top and bottom insets.
int height() const { return top_ + bottom_; }
// Returns true if the insets are empty.
bool empty() const { return width() == 0 && height() == 0; }
void Set(int top, int left, int bottom, int right) {
top_ = top;
left_ = left;
bottom_ = bottom;
right_ = right;
}
bool operator==(const Insets& insets) const {
return top_ == insets.top_ && left_ == insets.left_ &&
bottom_ == insets.bottom_ && right_ == insets.right_;
}
bool operator!=(const Insets& insets) const {
return !(*this == insets);
}
Insets& operator+=(const Insets& insets) {
top_ += insets.top_;
left_ += insets.left_;
bottom_ += insets.bottom_;
right_ += insets.right_;
return *this;
}
// Returns a string representation of the insets.
std::string ToString() const;
private:
int top_;
int left_;
int bottom_;
int right_;
};
} // namespace gfx
#endif // GFX_INSETS_H_
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