| // Copyright 2017 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 NGBfcRect_h |
| #define NGBfcRect_h |
| |
| #include "core/CoreExport.h" |
| #include "core/layout/ng/geometry/ng_bfc_offset.h" |
| #include "core/layout/ng/geometry/ng_logical_size.h" |
| #include "platform/LayoutUnit.h" |
| |
| namespace blink { |
| |
| // NGBfcRect is the position and size of a rect (typically a fragment) |
| // relative to a block formatting context. |
| struct CORE_EXPORT NGBfcRect { |
| NGBfcRect() {} |
| NGBfcRect(const NGBfcOffset& offset, const NGLogicalSize& size) |
| : offset(offset), size(size) {} |
| |
| bool IsEmpty() const; |
| |
| // Whether this rectangle is contained by the provided rectangle. |
| bool IsContained(const NGBfcRect& other) const; |
| |
| LayoutUnit LineStartOffset() const { return offset.line_offset; } |
| LayoutUnit LineEndOffset() const { |
| return offset.line_offset + size.inline_size; |
| } |
| LayoutUnit BlockStartOffset() const { return offset.block_offset; } |
| LayoutUnit BlockEndOffset() const { |
| return offset.block_offset + size.block_size; |
| } |
| |
| NGBfcOffset LineEndBlockStartOffset() const { |
| return {LineEndOffset(), BlockStartOffset()}; |
| } |
| |
| LayoutUnit BlockSize() const { return size.block_size; } |
| LayoutUnit InlineSize() const { return size.inline_size; } |
| |
| String ToString() const; |
| bool operator==(const NGBfcRect& other) const; |
| bool operator!=(const NGBfcRect& other) const { return !(*this == other); } |
| |
| NGBfcOffset offset; |
| NGLogicalSize size; |
| }; |
| |
| CORE_EXPORT std::ostream& operator<<(std::ostream&, const NGBfcRect&); |
| |
| } // namespace blink |
| |
| #endif // NGBfcRect_h |