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/*
* Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GEOMETRY_INT_RECT_OUTSETS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GEOMETRY_INT_RECT_OUTSETS_H_
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
namespace blink {
// Specifies integral lengths to be used to expand a rectangle.
// For example, |top()| returns the distance the top edge should be moved
// upward.
//
// Negative lengths can be used to express insets.
class PLATFORM_EXPORT IntRectOutsets {
DISALLOW_NEW();
public:
constexpr IntRectOutsets() : top_(0), right_(0), bottom_(0), left_(0) {}
constexpr IntRectOutsets(int top, int right, int bottom, int left)
: top_(top), right_(right), bottom_(bottom), left_(left) {}
constexpr int Top() const { return top_; }
constexpr int Right() const { return right_; }
constexpr int Bottom() const { return bottom_; }
constexpr int Left() const { return left_; }
void SetTop(int top) { top_ = top; }
void SetRight(int right) { right_ = right; }
void SetBottom(int bottom) { bottom_ = bottom; }
void SetLeft(int left) { left_ = left; }
constexpr bool IsZero() const {
return !Left() && !Right() && !Top() && !Bottom();
}
private:
int top_;
int right_;
int bottom_;
int left_;
};
inline void operator+=(IntRectOutsets& a, const IntRectOutsets& b) {
a.SetTop(a.Top() + b.Top());
a.SetRight(a.Right() + b.Right());
a.SetBottom(a.Bottom() + b.Bottom());
a.SetLeft(a.Left() + b.Left());
}
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GEOMETRY_INT_RECT_OUTSETS_H_