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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef NGLogicalRect_h |
| 6 #define NGLogicalRect_h |
| 7 |
| 8 #include "core/CoreExport.h" |
| 9 #include "core/layout/ng/geometry/ng_logical_offset.h" |
| 10 #include "core/layout/ng/geometry/ng_logical_size.h" |
| 11 #include "platform/LayoutUnit.h" |
| 12 |
| 13 namespace blink { |
| 14 |
| 15 // NGLogicalRect is the position and size of a rect (typically a fragment) |
| 16 // relative to its parent rect in the logical coordinate system. |
| 17 struct CORE_EXPORT NGLogicalRect { |
| 18 NGLogicalRect() {} |
| 19 NGLogicalRect(const NGLogicalOffset& offset, const NGLogicalSize& size) |
| 20 : offset(offset), size(size) {} |
| 21 NGLogicalRect(LayoutUnit inline_offset, |
| 22 LayoutUnit block_offset, |
| 23 LayoutUnit inline_size, |
| 24 LayoutUnit block_size) |
| 25 : offset(inline_offset, block_offset), size(inline_size, block_size) {} |
| 26 |
| 27 bool IsEmpty() const; |
| 28 |
| 29 // Whether this rectangle is contained by the provided rectangle. |
| 30 bool IsContained(const NGLogicalRect& other) const; |
| 31 |
| 32 LayoutUnit InlineStartOffset() const { return offset.inline_offset; } |
| 33 LayoutUnit InlineEndOffset() const { |
| 34 return offset.inline_offset + size.inline_size; |
| 35 } |
| 36 LayoutUnit BlockStartOffset() const { return offset.block_offset; } |
| 37 LayoutUnit BlockEndOffset() const { |
| 38 return offset.block_offset + size.block_size; |
| 39 } |
| 40 |
| 41 LayoutUnit BlockSize() const { return size.block_size; } |
| 42 LayoutUnit InlineSize() const { return size.inline_size; } |
| 43 |
| 44 String ToString() const; |
| 45 bool operator==(const NGLogicalRect& other) const; |
| 46 |
| 47 NGLogicalOffset offset; |
| 48 NGLogicalSize size; |
| 49 }; |
| 50 |
| 51 CORE_EXPORT std::ostream& operator<<(std::ostream&, const NGLogicalRect&); |
| 52 |
| 53 } // namespace blink |
| 54 |
| 55 #endif // NGLogicalRect_h |
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