| /* |
| * 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/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_ |