| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #include "config.h" |
| #include "core/rendering/exclusions/ExclusionShapeInsideInfo.h" |
| |
| #include "core/rendering/InlineIterator.h" |
| #include "core/rendering/RenderBlock.h" |
| |
| namespace WebCore { |
| |
| LineSegmentRange::LineSegmentRange(const InlineIterator& start, const InlineIterator& end) |
| : start(start.root(), start.object(), start.offset()) |
| , end(end.root(), end.object(), end.offset()) |
| { |
| } |
| |
| bool ExclusionShapeInsideInfo::isEnabledFor(const RenderBlock* renderer) |
| { |
| ExclusionShapeValue* shapeValue = renderer->style()->resolvedShapeInside(); |
| return (shapeValue && shapeValue->type() == ExclusionShapeValue::SHAPE) ? shapeValue->shape() : 0; |
| } |
| |
| bool ExclusionShapeInsideInfo::adjustLogicalLineTop(float minSegmentWidth) |
| { |
| const ExclusionShape* shape = computedShape(); |
| if (!shape || m_lineHeight <= 0 || logicalLineTop() > shapeLogicalBottom()) |
| return false; |
| |
| LayoutUnit newLineTop; |
| if (shape->firstIncludedIntervalLogicalTop(m_shapeLineTop, LayoutSize(minSegmentWidth, m_lineHeight), newLineTop)) { |
| if (newLineTop > m_shapeLineTop) { |
| m_shapeLineTop = newLineTop; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| } |